diff --git a/README.md b/README.md index 3ae49f2..e51aee2 100755 --- a/README.md +++ b/README.md @@ -544,8 +544,14 @@ CogVideoX-Fun can be found in [Readme Train](scripts/cogvideox_fun/README_TRAIN. # Model zoo +## 1. Wan2.2-Fun +| Name | Hugging Face | Model Scope | Description | +|--|--|--|--|--| +| Wan2.2-Fun-A14B-InP | 64.0 GB | [🤗Link](https://huggingface.co/alibaba-pai/Wan2.2-Fun-A14B-InP) | [😄Link](https://modelscope.cn/models/PAI/Wan2.2-Fun-A14B-InP) | Wan2.2-Fun-14B text-to-video generation weights, trained at multiple resolutions, supports start-end image prediction. | +| Wan2.2-Fun-A14B-Control | 64.0 GB | [🤗Link](https://huggingface.co/alibaba-pai/Wan2.2-Fun-A14B-Control) | [😄Link](https://modelscope.cn/models/PAI/Wan2.2-Fun-A14B-Control)| Wan2.2-Fun-14B video control weights, supporting various control conditions such as Canny, Depth, Pose, MLSD, etc., and trajectory control. Supports multi-resolution (512, 768, 1024) video prediction at 81 frames, trained at 16 frames per second, with multilingual prediction support. | -## 1. Wan2.2 + +## 2. Wan2.2 | Name | Hugging Face | Model Scope | Description | |--|--|--|--| @@ -553,7 +559,7 @@ CogVideoX-Fun can be found in [Readme Train](scripts/cogvideox_fun/README_TRAIN. | Wan2.2-T2V-14B | [🤗Link](https://huggingface.co/Wan-AI/Wan2.2-T2V-A14B) | [😄Link](https://www.modelscope.cn/models/Wan-AI/Wan2.2-T2V-A14B) | Wan2.2-14B Text-to-Video Weights | | Wan2.2-I2V-A14B | [🤗Link](https://huggingface.co/Wan-AI/Wan2.2-I2V-A14B) | [😄Link](https://www.modelscope.cn/models/Wan-AI/Wan2.2-I2V-A14B) | Wan2.2-I2V-A14B Image-to-Video Weights | -## 2. Wan2.1-Fun +## 3. Wan2.1-Fun V1.1: | Name | Storage Size | Hugging Face | Model Scope | Description | @@ -573,7 +579,7 @@ V1.0: | Wan2.1-Fun-1.3B-Control | 19.0 GB | [🤗Link](https://huggingface.co/alibaba-pai/Wan2.1-Fun-1.3B-Control) | [😄Link](https://modelscope.cn/models/PAI/Wan2.1-Fun-1.3B-Control) | Wan2.1-Fun-1.3B video control weights, supporting various control conditions such as Canny, Depth, Pose, MLSD, etc., and trajectory control. Supports multi-resolution (512, 768, 1024) video prediction at 81 frames, trained at 16 frames per second, with multilingual prediction support. | | Wan2.1-Fun-14B-Control | 47.0 GB | [🤗Link](https://huggingface.co/alibaba-pai/Wan2.1-Fun-14B-Control) | [😄Link](https://modelscope.cn/models/PAI/Wan2.1-Fun-14B-Control) | Wan2.1-Fun-14B video control weights, supporting various control conditions such as Canny, Depth, Pose, MLSD, etc., and trajectory control. Supports multi-resolution (512, 768, 1024) video prediction at 81 frames, trained at 16 frames per second, with multilingual prediction support. | -## 3. Wan2.1 +## 4. Wan2.1 | Name | Hugging Face | Model Scope | Description | |--|--|--|--| @@ -582,7 +588,7 @@ V1.0: | Wan2.1-I2V-14B-480P | [🤗Link](https://huggingface.co/Wan-AI/Wan2.1-I2V-14B-480P) | [😄Link](https://www.modelscope.cn/models/Wan-AI/Wan2.1-I2V-14B-480P) | Wanxiang 2.1-14B-480P image-to-video weights | | Wan2.1-I2V-14B-720P| [🤗Link](https://huggingface.co/Wan-AI/Wan2.1-I2V-14B-720P) | [😄Link](https://www.modelscope.cn/models/Wan-AI/Wan2.1-I2V-14B-720P) | Wanxiang 2.1-14B-720P image-to-video weights | -## 4. CogVideoX-Fun +## 5. CogVideoX-Fun V1.5: diff --git a/README_ja-JP.md b/README_ja-JP.md index faf5c95..4a73f99 100755 --- a/README_ja-JP.md +++ b/README_ja-JP.md @@ -544,7 +544,13 @@ CogVideoX-Funは[Readme Train](scripts/cogvideox_fun/README_TRAIN.md)と[Readme # モデルの場所 -## 1. Wan2.2 +## 1. Wan2.2-Fun +| 名前 | ストレージ容量 | Hugging Face | Model Scope | 説明 | +|------|----------------|------------|-------------|------| +| Wan2.2-Fun-A14B-InP | 64.0 GB | [🤗Link](https://huggingface.co/alibaba-pai/Wan2.2-Fun-A14B-InP) | [😄Link](https://modelscope.cn/models/PAI/Wan2.2-Fun-A14B-InP) | Wan2.2-Fun-14Bのテキスト・画像から動画を生成するモデルの重み。複数の解像度で学習されており、動画の最初と最後のフレームの予測をサポートしています。 | +| Wan2.2-Fun-A14B-Control | 64.0 GB | [🤗Link](https://huggingface.co/alibaba-pai/Wan2.2-Fun-A14B-Control) | [😄Link](https://modelscope.cn/models/PAI/Wan2.2-Fun-A14B-Control) | Wan2.2-Fun-14Bの動画制御用重み。Canny、Depth、Pose、MLSDなどのさまざまな制御条件に対応しており、軌跡制御もサポートしています。512、768、1024の複数解像度での動画生成が可能で、81フレーム、16fpsで学習されています。多言語対応の予測もサポートしています。 | + +## 2. Wan2.2 | モデル名 | Hugging Face | Model Scope | 説明 | |--|--|--|--| @@ -552,7 +558,7 @@ CogVideoX-Funは[Readme Train](scripts/cogvideox_fun/README_TRAIN.md)と[Readme | Wan2.2-T2V-A14B | [🤗リンク](https://huggingface.co/Wan-AI/Wan2.2-T2V-A14B) | [😄リンク](https://www.modelscope.cn/models/Wan-AI/Wan2.2-T2V-A14B) | 万象2.2-14B テキストから動画生成重み | | Wan2.2-I2V-A14B | [🤗リンク](https://huggingface.co/Wan-AI/Wan2.2-I2V-A14B) | [😄リンク](https://www.modelscope.cn/models/Wan-AI/Wan2.2-I2V-A14B) | 万象2.2-14B 画像から動画生成重み | -## 2. Wan2.1-Fun +## 3. Wan2.1-Fun V1.1: | 名称 | ストレージ容量 | Hugging Face | Model Scope | 説明 | @@ -573,7 +579,7 @@ V1.0: | Wan2.1-Fun-1.3B-Control | 19.0 GB | [🤗Link](https://huggingface.co/alibaba-pai/Wan2.1-Fun-1.3B-Control) | [😄Link](https://modelscope.cn/models/PAI/Wan2.1-Fun-1.3B-Control) | Wan2.1-Fun-1.3Bのビデオ制御ウェイト。Canny、Depth、Pose、MLSDなどの異なる制御条件をサポートし、トラジェクトリ制御も利用可能。512、768、1024のマルチ解像度でのビデオ予測をサポートし、81フレーム(1秒間に16フレーム)でトレーニング済みで、多言語予測にも対応しています。 | | Wan2.1-Fun-14B-Control | 47.0 GB | [🤗Link](https://huggingface.co/alibaba-pai/Wan2.1-Fun-14B-Control) | [😄Link](https://modelscope.cn/models/PAI/Wan2.1-Fun-14B-Control) | Wan2.1-Fun-14Bのビデオ制御ウェイト。Canny、Depth、Pose、MLSDなどの異なる制御条件をサポートし、トラジェクトリ制御も利用可能。512、768、1024のマルチ解像度でのビデオ予測をサポートし、81フレーム(1秒間に16フレーム)でトレーニング済みで、多言語予測にも対応しています。 | -## 3. Wan2.1 +## 4. Wan2.1 | 名称 | Hugging Face | Model Scope | 説明 | |--|--|--|--| @@ -582,7 +588,7 @@ V1.0: | Wan2.1-I2V-14B-480P | [🤗Link](https://huggingface.co/Wan-AI/Wan2.1-I2V-14B-480P) | [😄Link](https://www.modelscope.cn/models/Wan-AI/Wan2.1-I2V-14B-480P) | 万象2.1-14B-480Pの画像から動画生成する重み | | Wan2.1-I2V-14B-720P| [🤗Link](https://huggingface.co/Wan-AI/Wan2.1-I2V-14B-720P) | [😄Link](https://www.modelscope.cn/models/Wan-AI/Wan2.1-I2V-14B-720P) | 万象2.1-14B-720Pの画像から動画生成する重み | -## 4. CogVideoX-Fun +## 5. CogVideoX-Fun V1.5: diff --git a/README_zh-CN.md b/README_zh-CN.md index 93e4992..cf56d8f 100755 --- a/README_zh-CN.md +++ b/README_zh-CN.md @@ -534,7 +534,14 @@ CogVideoX-Fun可以查看[Readme Train](scripts/cogvideox_fun/README_TRAIN.md) # 模型地址 -## 1. Wan2.2 +## 1.Wan2.2-Fun + +| 名称 | 存储空间 | Hugging Face | Model Scope | 描述 | +|--|--|--|--|--| +| Wan2.2-Fun-A14B-InP | 64.0 GB | [🤗Link](https://huggingface.co/alibaba-pai/Wan2.2-Fun-A14B-InP) | [😄Link](https://modelscope.cn/models/PAI/Wan2.2-Fun-A14B-InP) | Wan2.2-Fun-14B文图生视频权重,以多分辨率训练,支持首尾图预测。 | +| Wan2.2-Fun-A14B-Control | 64.0 GB | [🤗Link](https://huggingface.co/alibaba-pai/Wan2.2-Fun-A14B-Control) | [😄Link](https://modelscope.cn/models/PAI/Wan2.2-Fun-A14B-Control)| Wan2.2-Fun-14B视频控制权重,支持不同的控制条件,如Canny、Depth、Pose、MLSD等,同时支持使用轨迹控制。支持多分辨率(512,768,1024)的视频预测,支持多分辨率(512,768,1024)的视频预测,以81帧、每秒16帧进行训练,支持多语言预测 | + +## 2. Wan2.2 | 名称 | Hugging Face | Model Scope | 描述 | |--|--|--|--| @@ -542,7 +549,7 @@ CogVideoX-Fun可以查看[Readme Train](scripts/cogvideox_fun/README_TRAIN.md) | Wan2.2-T2V-A14B | [🤗Link](https://huggingface.co/Wan-AI/Wan2.2-T2V-A14B) | [😄Link](https://www.modelscope.cn/models/Wan-AI/Wan2.2-T2V-A14B) | 万象2.2-14B文生视频权重 | | Wan2.2-I2V-A14B | [🤗Link](https://huggingface.co/Wan-AI/Wan2.2-I2V-A14B) | [😄Link](https://www.modelscope.cn/models/Wan-AI/Wan2.2-I2V-A14B) | 万象2.2-14B图生视频权重 | -## 2. Wan2.1-Fun +## 3. Wan2.1-Fun V1.1: | 名称 | 存储空间 | Hugging Face | Model Scope | 描述 | @@ -562,7 +569,7 @@ V1.0: | Wan2.1-Fun-1.3B-Control | 19.0 GB | [🤗Link](https://huggingface.co/alibaba-pai/Wan2.1-Fun-1.3B-Control) | [😄Link](https://modelscope.cn/models/PAI/Wan2.1-Fun-1.3B-Control)| Wan2.1-Fun-1.3B视频控制权重,支持不同的控制条件,如Canny、Depth、Pose、MLSD等,同时支持使用轨迹控制。支持多分辨率(512,768,1024)的视频预测,支持多分辨率(512,768,1024)的视频预测,以81帧、每秒16帧进行训练,支持多语言预测 | | Wan2.1-Fun-14B-Control | 47.0 GB | [🤗Link](https://huggingface.co/alibaba-pai/Wan2.1-Fun-14B-Control) | [😄Link](https://modelscope.cn/models/PAI/Wan2.1-Fun-14B-Control)| Wan2.1-Fun-14B视频控制权重,支持不同的控制条件,如Canny、Depth、Pose、MLSD等,同时支持使用轨迹控制。支持多分辨率(512,768,1024)的视频预测,支持多分辨率(512,768,1024)的视频预测,以81帧、每秒16帧进行训练,支持多语言预测 | -## 3. Wan2.1 +## 4. Wan2.1 | 名称 | Hugging Face | Model Scope | 描述 | |--|--|--|--| @@ -571,7 +578,7 @@ V1.0: | Wan2.1-I2V-14B-480P | [🤗Link](https://huggingface.co/Wan-AI/Wan2.1-I2V-14B-480P) | [😄Link](https://www.modelscope.cn/models/Wan-AI/Wan2.1-I2V-14B-480P) | 万象2.1-14B-480P图生视频权重 | | Wan2.1-I2V-14B-720P| [🤗Link](https://huggingface.co/Wan-AI/Wan2.1-I2V-14B-720P) | [😄Link](https://www.modelscope.cn/models/Wan-AI/Wan2.1-I2V-14B-720P) | 万象2.1-14B-720P图生视频权重 | -## 4. CogVideoX-Fun +## 5. CogVideoX-Fun V1.5: diff --git a/asset/8.png b/asset/8.png new file mode 100644 index 0000000..5b8fbb8 Binary files /dev/null and b/asset/8.png differ diff --git a/examples/wan2.2_fun/predict_i2v.py b/examples/wan2.2_fun/predict_i2v.py new file mode 100644 index 0000000..d9bafdc --- /dev/null +++ b/examples/wan2.2_fun/predict_i2v.py @@ -0,0 +1,339 @@ +import os +import sys + +import numpy as np +import torch +from diffusers import FlowMatchEulerDiscreteScheduler +from omegaconf import OmegaConf +from PIL import Image + +current_file_path = os.path.abspath(__file__) +project_roots = [os.path.dirname(current_file_path), os.path.dirname(os.path.dirname(current_file_path)), os.path.dirname(os.path.dirname(os.path.dirname(current_file_path)))] +for project_root in project_roots: + sys.path.insert(0, project_root) if project_root not in sys.path else None + +from videox_fun.dist import set_multi_gpus_devices, shard_model +from videox_fun.models import (AutoencoderKLWan, AutoTokenizer, CLIPModel, + WanT5EncoderModel, Wan2_2Transformer3DModel) +from videox_fun.models.cache_utils import get_teacache_coefficients +from videox_fun.pipeline import Wan2_2I2VPipeline +from videox_fun.utils.fp8_optimization import (convert_model_weight_to_float8, replace_parameters_by_name, + convert_weight_dtype_wrapper) +from videox_fun.utils.lora_utils import merge_lora, unmerge_lora +from videox_fun.utils.utils import (filter_kwargs, get_image_to_video_latent, + save_videos_grid) +from videox_fun.utils.fm_solvers import FlowDPMSolverMultistepScheduler +from videox_fun.utils.fm_solvers_unipc import FlowUniPCMultistepScheduler + +# GPU memory mode, which can be choosen in [model_full_load, model_full_load_and_qfloat8, model_cpu_offload, model_cpu_offload_and_qfloat8, sequential_cpu_offload]. +# model_full_load means that the entire model will be moved to the GPU. +# +# model_full_load_and_qfloat8 means that the entire model will be moved to the GPU, +# and the transformer model has been quantized to float8, which can save more GPU memory. +# +# model_cpu_offload means that the entire model will be moved to the CPU after use, which can save some GPU memory. +# +# model_cpu_offload_and_qfloat8 indicates that the entire model will be moved to the CPU after use, +# and the transformer model has been quantized to float8, which can save more GPU memory. +# +# sequential_cpu_offload means that each layer of the model will be moved to the CPU after use, +# resulting in slower speeds but saving a large amount of GPU memory. +GPU_memory_mode = "sequential_cpu_offload" +# Multi GPUs config +# Please ensure that the product of ulysses_degree and ring_degree equals the number of GPUs used. +# For example, if you are using 8 GPUs, you can set ulysses_degree = 2 and ring_degree = 4. +# If you are using 1 GPU, you can set ulysses_degree = 1 and ring_degree = 1. +ulysses_degree = 1 +ring_degree = 1 +# Use FSDP to save more GPU memory in multi gpus. +fsdp_dit = False +fsdp_text_encoder = True +# Compile will give a speedup in fixed resolution and need a little GPU memory. +# The compile_dit is not compatible with the fsdp_dit and sequential_cpu_offload. +compile_dit = False + +# TeaCache config +enable_teacache = True +# Recommended to be set between 0.05 and 0.30. A larger threshold can cache more steps, speeding up the inference process, +# but it may cause slight differences between the generated content and the original content. +# # --------------------------------------------------------------------------------------------------- # +# | Model Name | threshold | Model Name | threshold | +# | Wan2.2-T2V-A14B | 0.10~0.15 | Wan2.2-I2V-A14B | 0.15~0.20 | +# | Wan2.2-Fun-A14B-* | 0.15~0.20 | +# # --------------------------------------------------------------------------------------------------- # +teacache_threshold = 0.10 +# The number of steps to skip TeaCache at the beginning of the inference process, which can +# reduce the impact of TeaCache on generated video quality. +num_skip_start_steps = 5 +# Whether to offload TeaCache tensors to cpu to save a little bit of GPU memory. +teacache_offload = False + +# Skip some cfg steps in inference +# Recommended to be set between 0.00 and 0.25 +cfg_skip_ratio = 0 + +# Riflex config +enable_riflex = False +# Index of intrinsic frequency +riflex_k = 6 + +# Config and model path +config_path = "config/wan2.2/wan_civitai_i2v.yaml" +# model path +model_name = "models/Diffusion_Transformer/Wan2.2-Fun-A14B-InP" + +# Choose the sampler in "Flow", "Flow_Unipc", "Flow_DPM++" +sampler_name = "Flow" +# [NOTE]: Noise schedule shift parameter. Affects temporal dynamics. +# Used when the sampler is in "Flow_Unipc", "Flow_DPM++". +shift = 5 + +# Load pretrained model if need +# The transformer_path is used for low noise model, the transformer_high_path is used for high noise model. +transformer_path = None +transformer_high_path = None +vae_path = None +# Load lora model if need +# The lora_path is used for low noise model, the lora_high_path is used for high noise model. +lora_path = None +lora_high_path = None + +# Other params +sample_size = [480, 832] +video_length = 81 +fps = 16 + +# Use torch.float16 if GPU does not support torch.bfloat16 +# ome graphics cards, such as v100, 2080ti, do not support torch.bfloat16 +weight_dtype = torch.bfloat16 +# If you want to generate from text, please set the validation_image_start = None and validation_image_end = None +validation_image_start = "asset/1.png" +validation_image_end = None + +# 使用更长的neg prompt如"模糊,突变,变形,失真,画面暗,文本字幕,画面固定,连环画,漫画,线稿,没有主体。",可以增加稳定性 +# 在neg prompt中添加"安静,固定"等词语可以增加动态性。 +prompt = "一只棕色的狗摇着头,坐在舒适房间里的浅色沙发上。在狗的后面,架子上有一幅镶框的画,周围是粉红色的花朵。房间里柔和温暖的灯光营造出舒适的氛围。" +negative_prompt = "色调艳丽,过曝,静态,细节模糊不清,字幕,风格,作品,画作,画面,静止,整体发灰,最差质量,低质量,JPEG压缩残留,丑陋的,残缺的,多余的手指,画得不好的手部,画得不好的脸部,畸形的,毁容的,形态畸形的肢体,手指融合,静止不动的画面,杂乱的背景,三条腿,背景人很多,倒着走" +guidance_scale = 6.0 +seed = 43 +num_inference_steps = 50 +# The lora_weight is used for low noise model, the lora_high_weight is used for high noise model. +lora_weight = 0.55 +lora_high_weight = 0.55 +save_path = "samples/wan-fun-videos-i2v" + +device = set_multi_gpus_devices(ulysses_degree, ring_degree) +config = OmegaConf.load(config_path) +boundary = config['transformer_additional_kwargs'].get('boundary', 0.900) + +transformer = Wan2_2Transformer3DModel.from_pretrained( + os.path.join(model_name, config['transformer_additional_kwargs'].get('transformer_low_noise_model_subpath', 'transformer')), + transformer_additional_kwargs=OmegaConf.to_container(config['transformer_additional_kwargs']), + low_cpu_mem_usage=True, + torch_dtype=weight_dtype, +) + +transformer_2 = Wan2_2Transformer3DModel.from_pretrained( + os.path.join(model_name, config['transformer_additional_kwargs'].get('transformer_high_noise_model_subpath', 'transformer')), + transformer_additional_kwargs=OmegaConf.to_container(config['transformer_additional_kwargs']), + low_cpu_mem_usage=True, + torch_dtype=weight_dtype, +) + +if transformer_path is not None: + print(f"From checkpoint: {transformer_path}") + if transformer_path.endswith("safetensors"): + from safetensors.torch import load_file, safe_open + state_dict = load_file(transformer_path) + else: + state_dict = torch.load(transformer_path, map_location="cpu") + state_dict = state_dict["state_dict"] if "state_dict" in state_dict else state_dict + + m, u = transformer.load_state_dict(state_dict, strict=False) + print(f"missing keys: {len(m)}, unexpected keys: {len(u)}") + +if transformer_high_path is not None: + print(f"From checkpoint: {transformer_high_path}") + if transformer_high_path.endswith("safetensors"): + from safetensors.torch import load_file, safe_open + state_dict = load_file(transformer_high_path) + else: + state_dict = torch.load(transformer_high_path, map_location="cpu") + state_dict = state_dict["state_dict"] if "state_dict" in state_dict else state_dict + + m, u = transformer_2.load_state_dict(state_dict, strict=False) + print(f"missing keys: {len(m)}, unexpected keys: {len(u)}") + +# Get Vae +Choosen_AutoencoderKL = { + "AutoencoderKLWan": AutoencoderKLWan, +}[config['vae_kwargs'].get('vae_type', 'AutoencoderKLWan')] +vae = Choosen_AutoencoderKL.from_pretrained( + os.path.join(model_name, config['vae_kwargs'].get('vae_subpath', 'vae')), + additional_kwargs=OmegaConf.to_container(config['vae_kwargs']), +).to(weight_dtype) + +if vae_path is not None: + print(f"From checkpoint: {vae_path}") + if vae_path.endswith("safetensors"): + from safetensors.torch import load_file, safe_open + state_dict = load_file(vae_path) + else: + state_dict = torch.load(vae_path, map_location="cpu") + state_dict = state_dict["state_dict"] if "state_dict" in state_dict else state_dict + + m, u = vae.load_state_dict(state_dict, strict=False) + print(f"missing keys: {len(m)}, unexpected keys: {len(u)}") + +# Get Tokenizer +tokenizer = AutoTokenizer.from_pretrained( + os.path.join(model_name, config['text_encoder_kwargs'].get('tokenizer_subpath', 'tokenizer')), +) + +# Get Text encoder +text_encoder = WanT5EncoderModel.from_pretrained( + os.path.join(model_name, config['text_encoder_kwargs'].get('text_encoder_subpath', 'text_encoder')), + additional_kwargs=OmegaConf.to_container(config['text_encoder_kwargs']), + low_cpu_mem_usage=True, + torch_dtype=weight_dtype, +) +text_encoder = text_encoder.eval() + +# Get Scheduler +Choosen_Scheduler = scheduler_dict = { + "Flow": FlowMatchEulerDiscreteScheduler, + "Flow_Unipc": FlowUniPCMultistepScheduler, + "Flow_DPM++": FlowDPMSolverMultistepScheduler, +}[sampler_name] +if sampler_name == "Flow_Unipc" or sampler_name == "Flow_DPM++": + config['scheduler_kwargs']['shift'] = 1 +scheduler = Choosen_Scheduler( + **filter_kwargs(Choosen_Scheduler, OmegaConf.to_container(config['scheduler_kwargs'])) +) + +# Get Pipeline +pipeline = Wan2_2I2VPipeline( + transformer=transformer, + transformer_2=transformer_2, + vae=vae, + tokenizer=tokenizer, + text_encoder=text_encoder, + scheduler=scheduler, +) +if ulysses_degree > 1 or ring_degree > 1: + from functools import partial + transformer.enable_multi_gpus_inference() + transformer_2.enable_multi_gpus_inference() + if fsdp_dit: + shard_fn = partial(shard_model, device_id=device, param_dtype=weight_dtype) + pipeline.transformer = shard_fn(pipeline.transformer) + pipeline.transformer_2 = shard_fn(pipeline.transformer_2) + print("Add FSDP DIT") + if fsdp_text_encoder: + shard_fn = partial(shard_model, device_id=device, param_dtype=weight_dtype) + pipeline.text_encoder = shard_fn(pipeline.text_encoder) + print("Add FSDP TEXT ENCODER") + +if compile_dit: + for i in range(len(pipeline.transformer.blocks)): + pipeline.transformer.blocks[i] = torch.compile(pipeline.transformer.blocks[i]) + for i in range(len(pipeline.transformer_2.blocks)): + pipeline.transformer_2.blocks[i] = torch.compile(pipeline.transformer_2.blocks[i]) + print("Add Compile") + +if GPU_memory_mode == "sequential_cpu_offload": + replace_parameters_by_name(transformer, ["modulation",], device=device) + replace_parameters_by_name(transformer_2, ["modulation",], device=device) + transformer.freqs = transformer.freqs.to(device=device) + transformer_2.freqs = transformer_2.freqs.to(device=device) + pipeline.enable_sequential_cpu_offload(device=device) +elif GPU_memory_mode == "model_cpu_offload_and_qfloat8": + convert_model_weight_to_float8(transformer, exclude_module_name=["modulation",], device=device) + convert_model_weight_to_float8(transformer_2, exclude_module_name=["modulation",], device=device) + convert_weight_dtype_wrapper(transformer, weight_dtype) + convert_weight_dtype_wrapper(transformer_2, weight_dtype) + pipeline.enable_model_cpu_offload(device=device) +elif GPU_memory_mode == "model_cpu_offload": + pipeline.enable_model_cpu_offload(device=device) +elif GPU_memory_mode == "model_full_load_and_qfloat8": + convert_model_weight_to_float8(transformer, exclude_module_name=["modulation",], device=device) + convert_model_weight_to_float8(transformer_2, exclude_module_name=["modulation",], device=device) + convert_weight_dtype_wrapper(transformer, weight_dtype) + convert_weight_dtype_wrapper(transformer_2, weight_dtype) + pipeline.to(device=device) +else: + pipeline.to(device=device) + +coefficients = get_teacache_coefficients(model_name) if enable_teacache else None +if coefficients is not None: + print(f"Enable TeaCache with threshold {teacache_threshold} and skip the first {num_skip_start_steps} steps.") + pipeline.transformer.enable_teacache( + coefficients, num_inference_steps, teacache_threshold, num_skip_start_steps=num_skip_start_steps, offload=teacache_offload + ) + pipeline.transformer_2.share_teacache(transformer=pipeline.transformer) + +if cfg_skip_ratio is not None: + print(f"Enable cfg_skip_ratio {cfg_skip_ratio}.") + pipeline.transformer.enable_cfg_skip(cfg_skip_ratio, num_inference_steps) + pipeline.transformer_2.share_cfg_skip(transformer=pipeline.transformer) + +generator = torch.Generator(device=device).manual_seed(seed) + +if lora_path is not None: + pipeline = merge_lora(pipeline, lora_path, lora_weight, device=device) + pipeline = merge_lora(pipeline, lora_high_path, lora_high_weight, device=device, sub_transformer_name="transformer_2") + +with torch.no_grad(): + video_length = int((video_length - 1) // vae.config.temporal_compression_ratio * vae.config.temporal_compression_ratio) + 1 if video_length != 1 else 1 + latent_frames = (video_length - 1) // vae.config.temporal_compression_ratio + 1 + + if enable_riflex: + pipeline.transformer.enable_riflex(k = riflex_k, L_test = latent_frames) + pipeline.transformer_2.enable_riflex(k = riflex_k, L_test = latent_frames) + + input_video, input_video_mask, clip_image = get_image_to_video_latent(validation_image_start, validation_image_end, video_length=video_length, sample_size=sample_size) + + sample = pipeline( + prompt, + num_frames = video_length, + negative_prompt = negative_prompt, + height = sample_size[0], + width = sample_size[1], + generator = generator, + guidance_scale = guidance_scale, + num_inference_steps = num_inference_steps, + boundary = boundary, + + video = input_video, + mask_video = input_video_mask, + shift = shift, + ).videos + +if lora_path is not None: + pipeline = unmerge_lora(pipeline, lora_path, lora_weight, device=device) + pipeline = unmerge_lora(pipeline, lora_high_path, lora_high_weight, device=device, sub_transformer_name="transformer_2") + +def save_results(): + if not os.path.exists(save_path): + os.makedirs(save_path, exist_ok=True) + + index = len([path for path in os.listdir(save_path)]) + 1 + prefix = str(index).zfill(8) + if video_length == 1: + video_path = os.path.join(save_path, prefix + ".png") + + image = sample[0, :, 0] + image = image.transpose(0, 1).transpose(1, 2) + image = (image * 255).numpy().astype(np.uint8) + image = Image.fromarray(image) + image.save(video_path) + else: + video_path = os.path.join(save_path, prefix + ".mp4") + save_videos_grid(sample, video_path, fps=fps) + +if ulysses_degree * ring_degree > 1: + import torch.distributed as dist + if dist.get_rank() == 0: + save_results() +else: + save_results() \ No newline at end of file diff --git a/examples/wan2.2_fun/predict_v2v_control.py b/examples/wan2.2_fun/predict_v2v_control.py new file mode 100644 index 0000000..f24c953 --- /dev/null +++ b/examples/wan2.2_fun/predict_v2v_control.py @@ -0,0 +1,365 @@ +import os +import sys + +import numpy as np +import torch +from diffusers import FlowMatchEulerDiscreteScheduler +from omegaconf import OmegaConf +from PIL import Image +from transformers import AutoTokenizer + +current_file_path = os.path.abspath(__file__) +project_roots = [os.path.dirname(current_file_path), os.path.dirname(os.path.dirname(current_file_path)), os.path.dirname(os.path.dirname(os.path.dirname(current_file_path)))] +for project_root in project_roots: + sys.path.insert(0, project_root) if project_root not in sys.path else None + +from videox_fun.dist import set_multi_gpus_devices, shard_model +from videox_fun.models import (AutoencoderKLWan, AutoTokenizer, CLIPModel, + WanT5EncoderModel, Wan2_2Transformer3DModel) +from videox_fun.data.dataset_image_video import process_pose_file +from videox_fun.models.cache_utils import get_teacache_coefficients +from videox_fun.pipeline import Wan2_2FunControlPipeline, WanPipeline +from videox_fun.utils.fp8_optimization import (convert_model_weight_to_float8, + convert_weight_dtype_wrapper, + replace_parameters_by_name) +from videox_fun.utils.lora_utils import merge_lora, unmerge_lora +from videox_fun.utils.utils import (filter_kwargs, get_image_latent, get_image_to_video_latent, + get_video_to_video_latent, + save_videos_grid) +from videox_fun.utils.fm_solvers import FlowDPMSolverMultistepScheduler +from videox_fun.utils.fm_solvers_unipc import FlowUniPCMultistepScheduler + +# GPU memory mode, which can be choosen in [model_full_load, model_cpu_offload_and_qfloat8, model_cpu_offload, model_cpu_offload_and_qfloat8, sequential_cpu_offload]. +# model_full_load means that the entire model will be moved to the GPU. +# +# model_full_load_and_qfloat8 means that the entire model will be moved to the GPU, +# and the transformer model has been quantized to float8, which can save more GPU memory. +# +# model_cpu_offload means that the entire model will be moved to the CPU after use, which can save some GPU memory. +# +# model_cpu_offload_and_qfloat8 indicates that the entire model will be moved to the CPU after use, +# and the transformer model has been quantized to float8, which can save more GPU memory. +# +# sequential_cpu_offload means that each layer of the model will be moved to the CPU after use, +# resulting in slower speeds but saving a large amount of GPU memory. +GPU_memory_mode = "sequential_cpu_offload" +# Multi GPUs config +# Please ensure that the product of ulysses_degree and ring_degree equals the number of GPUs used. +# For example, if you are using 8 GPUs, you can set ulysses_degree = 2 and ring_degree = 4. +# If you are using 1 GPU, you can set ulysses_degree = 1 and ring_degree = 1. +ulysses_degree = 1 +ring_degree = 1 +# Use FSDP to save more GPU memory in multi gpus. +fsdp_dit = False +fsdp_text_encoder = True +# Compile will give a speedup in fixed resolution and need a little GPU memory. +# The compile_dit is not compatible with the fsdp_dit and sequential_cpu_offload. +compile_dit = False + +# Support TeaCache. +enable_teacache = True +# Recommended to be set between 0.05 and 0.30. A larger threshold can cache more steps, speeding up the inference process, +# but it may cause slight differences between the generated content and the original content. +# # --------------------------------------------------------------------------------------------------- # +# | Model Name | threshold | Model Name | threshold | +# | Wan2.2-T2V-A14B | 0.10~0.15 | Wan2.2-I2V-A14B | 0.15~0.20 | +# | Wan2.2-Fun-A14B-* | 0.15~0.20 | +# # --------------------------------------------------------------------------------------------------- # +teacache_threshold = 0.10 +# The number of steps to skip TeaCache at the beginning of the inference process, which can +# reduce the impact of TeaCache on generated video quality. +num_skip_start_steps = 5 +# Whether to offload TeaCache tensors to cpu to save a little bit of GPU memory. +teacache_offload = False + +# Skip some cfg steps in inference +# Recommended to be set between 0.00 and 0.25 +cfg_skip_ratio = 0 + +# Riflex config +enable_riflex = False +# Index of intrinsic frequency +riflex_k = 6 + +# Config and model path +config_path = "config/wan2.2/wan_civitai_i2v.yaml" +# model path +model_name = "models/Diffusion_Transformer/Wan2.2-Fun-A14B-Control" + +# Choose the sampler in "Flow", "Flow_Unipc", "Flow_DPM++" +sampler_name = "Flow" +# [NOTE]: Noise schedule shift parameter. Affects temporal dynamics. +# Used when the sampler is in "Flow_Unipc", "Flow_DPM++". +# If you want to generate a 480p video, it is recommended to set the shift value to 3.0. +# If you want to generate a 720p video, it is recommended to set the shift value to 5.0. +shift = 5 + +# Load pretrained model if need +# The transformer_path is used for low noise model, the transformer_high_path is used for high noise model. +transformer_path = None +transformer_high_path = None +vae_path = None +# Load lora model if need +# The lora_path is used for low noise model, the lora_high_path is used for high noise model. +lora_path = None +lora_high_path = None + +# Other params +sample_size = [832, 480] +video_length = 81 +fps = 16 + +# Use torch.float16 if GPU does not support torch.bfloat16 +# ome graphics cards, such as v100, 2080ti, do not support torch.bfloat16 +weight_dtype = torch.bfloat16 +control_video = "asset/pose.mp4" +control_camera_txt = None +start_image = None +end_image = None +ref_image = None + +# 使用更长的neg prompt如"模糊,突变,变形,失真,画面暗,文本字幕,画面固定,连环画,漫画,线稿,没有主体。",可以增加稳定性 +# 在neg prompt中添加"安静,固定"等词语可以增加动态性。 +prompt = "一位年轻女子站在阳光明媚的海岸线上,身穿深蓝色背心与清爽的白色衬衫,外搭一条简洁的白色围裙,围裙在轻拂的海风中微微飘动。她拥有一头鲜艳的紫色长发,在风中轻盈舞动,发间系着一个精致的黑色蝴蝶结,与身后柔和的蔚蓝天空形成鲜明对比。她面容清秀,眉目精致,透着一股甜美的青春气息;神情柔和,略带羞涩,目光静静地凝望着远方的地平线,双手自然交叠于身前,仿佛沉浸在思绪之中。在她身后,是辽阔无垠、波光粼粼的大海,阳光洒在海面上,映出温暖的金色光晕。" +negative_prompt = "色调艳丽,过曝,静态,细节模糊不清,字幕,风格,作品,画作,画面,静止,整体发灰,最差质量,低质量,JPEG压缩残留,丑陋的,残缺的,多余的手指,画得不好的手部,画得不好的脸部,畸形的,毁容的,形态畸形的肢体,手指融合,静止不动的画面,杂乱的背景,三条腿,背景人很多,倒着走" + +# Using longer neg prompt such as "Blurring, mutation, deformation, distortion, dark and solid, comics, text subtitles, line art." can increase stability +# Adding words such as "quiet, solid" to the neg prompt can increase dynamism. +# prompt = "A young woman with beautiful, clear eyes and blonde hair stands in the forest, wearing a white dress and a crown. Her expression is serene, reminiscent of a movie star, with fair and youthful skin. Her brown long hair flows in the wind. The video quality is very high, with a clear view. High quality, masterpiece, best quality, high resolution, ultra-fine, fantastical." +# negative_prompt = "Twisted body, limb deformities, text captions, comic, static, ugly, error, messy code." +guidance_scale = 6.0 +seed = 42 +num_inference_steps = 50 +# The lora_weight is used for low noise model, the lora_high_weight is used for high noise model. +lora_weight = 0.55 +lora_high_weight = 0.55 +save_path = "samples/wan-videos-fun-control" + +device = set_multi_gpus_devices(ulysses_degree, ring_degree) +config = OmegaConf.load(config_path) +boundary = config['transformer_additional_kwargs'].get('boundary', 0.875) + +transformer = Wan2_2Transformer3DModel.from_pretrained( + os.path.join(model_name, config['transformer_additional_kwargs'].get('transformer_low_noise_model_subpath', 'transformer')), + transformer_additional_kwargs=OmegaConf.to_container(config['transformer_additional_kwargs']), + low_cpu_mem_usage=True, + torch_dtype=weight_dtype, +) + +transformer_2 = Wan2_2Transformer3DModel.from_pretrained( + os.path.join(model_name, config['transformer_additional_kwargs'].get('transformer_high_noise_model_subpath', 'transformer')), + transformer_additional_kwargs=OmegaConf.to_container(config['transformer_additional_kwargs']), + low_cpu_mem_usage=True, + torch_dtype=weight_dtype, +) + +if transformer_path is not None: + print(f"From checkpoint: {transformer_path}") + if transformer_path.endswith("safetensors"): + from safetensors.torch import load_file, safe_open + state_dict = load_file(transformer_path) + else: + state_dict = torch.load(transformer_path, map_location="cpu") + state_dict = state_dict["state_dict"] if "state_dict" in state_dict else state_dict + + m, u = transformer.load_state_dict(state_dict, strict=False) + print(f"missing keys: {len(m)}, unexpected keys: {len(u)}") + +if transformer_high_path is not None: + print(f"From checkpoint: {transformer_high_path}") + if transformer_high_path.endswith("safetensors"): + from safetensors.torch import load_file, safe_open + state_dict = load_file(transformer_high_path) + else: + state_dict = torch.load(transformer_high_path, map_location="cpu") + state_dict = state_dict["state_dict"] if "state_dict" in state_dict else state_dict + + m, u = transformer_2.load_state_dict(state_dict, strict=False) + print(f"missing keys: {len(m)}, unexpected keys: {len(u)}") + +# Get Vae +Choosen_AutoencoderKL = { + "AutoencoderKLWan": AutoencoderKLWan, +}[config['vae_kwargs'].get('vae_type', 'AutoencoderKLWan')] +vae = Choosen_AutoencoderKL.from_pretrained( + os.path.join(model_name, config['vae_kwargs'].get('vae_subpath', 'vae')), + additional_kwargs=OmegaConf.to_container(config['vae_kwargs']), +).to(weight_dtype) + +if vae_path is not None: + print(f"From checkpoint: {vae_path}") + if vae_path.endswith("safetensors"): + from safetensors.torch import load_file, safe_open + state_dict = load_file(vae_path) + else: + state_dict = torch.load(vae_path, map_location="cpu") + state_dict = state_dict["state_dict"] if "state_dict" in state_dict else state_dict + + m, u = vae.load_state_dict(state_dict, strict=False) + print(f"missing keys: {len(m)}, unexpected keys: {len(u)}") + +# Get Tokenizer +tokenizer = AutoTokenizer.from_pretrained( + os.path.join(model_name, config['text_encoder_kwargs'].get('tokenizer_subpath', 'tokenizer')), +) + +# Get Text encoder +text_encoder = WanT5EncoderModel.from_pretrained( + os.path.join(model_name, config['text_encoder_kwargs'].get('text_encoder_subpath', 'text_encoder')), + additional_kwargs=OmegaConf.to_container(config['text_encoder_kwargs']), + low_cpu_mem_usage=True, + torch_dtype=weight_dtype, +) +text_encoder = text_encoder.eval() + +# Get Scheduler +Choosen_Scheduler = scheduler_dict = { + "Flow": FlowMatchEulerDiscreteScheduler, + "Flow_Unipc": FlowUniPCMultistepScheduler, + "Flow_DPM++": FlowDPMSolverMultistepScheduler, +}[sampler_name] +if sampler_name == "Flow_Unipc" or sampler_name == "Flow_DPM++": + config['scheduler_kwargs']['shift'] = 1 +scheduler = Choosen_Scheduler( + **filter_kwargs(Choosen_Scheduler, OmegaConf.to_container(config['scheduler_kwargs'])) +) + +# Get Pipeline +pipeline = Wan2_2FunControlPipeline( + transformer=transformer, + transformer_2=transformer_2, + vae=vae, + tokenizer=tokenizer, + text_encoder=text_encoder, + scheduler=scheduler, +) +if ulysses_degree > 1 or ring_degree > 1: + from functools import partial + transformer.enable_multi_gpus_inference() + transformer_2.enable_multi_gpus_inference() + if fsdp_dit: + shard_fn = partial(shard_model, device_id=device, param_dtype=weight_dtype) + pipeline.transformer = shard_fn(pipeline.transformer) + pipeline.transformer_2 = shard_fn(pipeline.transformer_2) + print("Add FSDP DIT") + if fsdp_text_encoder: + shard_fn = partial(shard_model, device_id=device, param_dtype=weight_dtype) + pipeline.text_encoder = shard_fn(pipeline.text_encoder) + print("Add FSDP TEXT ENCODER") + +if compile_dit: + for i in range(len(pipeline.transformer.blocks)): + pipeline.transformer.blocks[i] = torch.compile(pipeline.transformer.blocks[i]) + for i in range(len(pipeline.transformer_2.blocks)): + pipeline.transformer_2.blocks[i] = torch.compile(pipeline.transformer_2.blocks[i]) + print("Add Compile") + +if GPU_memory_mode == "sequential_cpu_offload": + replace_parameters_by_name(transformer, ["modulation",], device=device) + replace_parameters_by_name(transformer_2, ["modulation",], device=device) + transformer.freqs = transformer.freqs.to(device=device) + transformer_2.freqs = transformer_2.freqs.to(device=device) + pipeline.enable_sequential_cpu_offload(device=device) +elif GPU_memory_mode == "model_cpu_offload_and_qfloat8": + convert_model_weight_to_float8(transformer, exclude_module_name=["modulation",], device=device) + convert_model_weight_to_float8(transformer_2, exclude_module_name=["modulation",], device=device) + convert_weight_dtype_wrapper(transformer, weight_dtype) + convert_weight_dtype_wrapper(transformer_2, weight_dtype) + pipeline.enable_model_cpu_offload(device=device) +elif GPU_memory_mode == "model_cpu_offload": + pipeline.enable_model_cpu_offload(device=device) +elif GPU_memory_mode == "model_cpu_offload_and_qfloat8": + convert_model_weight_to_float8(transformer, exclude_module_name=["modulation",], device=device) + convert_model_weight_to_float8(transformer_2, exclude_module_name=["modulation",], device=device) + convert_weight_dtype_wrapper(transformer, weight_dtype) + convert_weight_dtype_wrapper(transformer_2, weight_dtype) + pipeline.to(device=device) +else: + pipeline.to(device=device) + +coefficients = get_teacache_coefficients(model_name) if enable_teacache else None +if coefficients is not None: + print(f"Enable TeaCache with threshold {teacache_threshold} and skip the first {num_skip_start_steps} steps.") + pipeline.transformer.enable_teacache( + coefficients, num_inference_steps, teacache_threshold, num_skip_start_steps=num_skip_start_steps, offload=teacache_offload + ) + pipeline.transformer_2.share_teacache(transformer=pipeline.transformer) + +if cfg_skip_ratio is not None: + print(f"Enable cfg_skip_ratio {cfg_skip_ratio}.") + pipeline.transformer.enable_cfg_skip(cfg_skip_ratio, num_inference_steps) + pipeline.transformer_2.share_cfg_skip(transformer=pipeline.transformer) + +generator = torch.Generator(device=device).manual_seed(seed) + +if lora_path is not None: + pipeline = merge_lora(pipeline, lora_path, lora_weight, device=device) + pipeline = merge_lora(pipeline, lora_high_path, lora_high_weight, device=device, sub_transformer_name="transformer_2") + +with torch.no_grad(): + video_length = int((video_length - 1) // vae.config.temporal_compression_ratio * vae.config.temporal_compression_ratio) + 1 if video_length != 1 else 1 + latent_frames = (video_length - 1) // vae.config.temporal_compression_ratio + 1 + + if enable_riflex: + pipeline.transformer.enable_riflex(k = riflex_k, L_test = latent_frames) + + inpaint_video, inpaint_video_mask, clip_image = get_image_to_video_latent(start_image, end_image, video_length=video_length, sample_size=sample_size) + + if ref_image is not None: + ref_image = get_image_latent(ref_image, sample_size=sample_size) + + if control_camera_txt is not None: + input_video, input_video_mask = None, None + control_camera_video = process_pose_file(control_camera_txt, sample_size[1], sample_size[0]) + control_camera_video = control_camera_video[:video_length].permute([3, 0, 1, 2]).unsqueeze(0) + else: + input_video, input_video_mask, _, _ = get_video_to_video_latent(control_video, video_length=video_length, sample_size=sample_size, fps=fps, ref_image=None) + control_camera_video = None + + sample = pipeline( + prompt, + num_frames = video_length, + negative_prompt = negative_prompt, + height = sample_size[0], + width = sample_size[1], + generator = generator, + guidance_scale = guidance_scale, + num_inference_steps = num_inference_steps, + + video = inpaint_video, + mask_video = inpaint_video_mask, + control_video = input_video, + control_camera_video = control_camera_video, + ref_image = ref_image, + boundary = boundary, + shift = shift, + ).videos + +if lora_path is not None: + pipeline = unmerge_lora(pipeline, lora_path, lora_weight, device=device) + pipeline = unmerge_lora(pipeline, lora_high_path, lora_high_weight, device=device, sub_transformer_name="transformer_2") + +def save_results(): + if not os.path.exists(save_path): + os.makedirs(save_path, exist_ok=True) + + index = len([path for path in os.listdir(save_path)]) + 1 + prefix = str(index).zfill(8) + if video_length == 1: + video_path = os.path.join(save_path, prefix + ".png") + + image = sample[0, :, 0] + image = image.transpose(0, 1).transpose(1, 2) + image = (image * 255).numpy().astype(np.uint8) + image = Image.fromarray(image) + image.save(video_path) + else: + video_path = os.path.join(save_path, prefix + ".mp4") + save_videos_grid(sample, video_path, fps=fps) + +if ulysses_degree * ring_degree > 1: + import torch.distributed as dist + if dist.get_rank() == 0: + save_results() +else: + save_results() \ No newline at end of file diff --git a/examples/wan2.2_fun/predict_v2v_control_ref.py b/examples/wan2.2_fun/predict_v2v_control_ref.py new file mode 100644 index 0000000..ec18805 --- /dev/null +++ b/examples/wan2.2_fun/predict_v2v_control_ref.py @@ -0,0 +1,365 @@ +import os +import sys + +import numpy as np +import torch +from diffusers import FlowMatchEulerDiscreteScheduler +from omegaconf import OmegaConf +from PIL import Image +from transformers import AutoTokenizer + +current_file_path = os.path.abspath(__file__) +project_roots = [os.path.dirname(current_file_path), os.path.dirname(os.path.dirname(current_file_path)), os.path.dirname(os.path.dirname(os.path.dirname(current_file_path)))] +for project_root in project_roots: + sys.path.insert(0, project_root) if project_root not in sys.path else None + +from videox_fun.dist import set_multi_gpus_devices, shard_model +from videox_fun.models import (AutoencoderKLWan, AutoTokenizer, CLIPModel, + WanT5EncoderModel, Wan2_2Transformer3DModel) +from videox_fun.data.dataset_image_video import process_pose_file +from videox_fun.models.cache_utils import get_teacache_coefficients +from videox_fun.pipeline import Wan2_2FunControlPipeline, WanPipeline +from videox_fun.utils.fp8_optimization import (convert_model_weight_to_float8, + convert_weight_dtype_wrapper, + replace_parameters_by_name) +from videox_fun.utils.lora_utils import merge_lora, unmerge_lora +from videox_fun.utils.utils import (filter_kwargs, get_image_latent, get_image_to_video_latent, + get_video_to_video_latent, + save_videos_grid) +from videox_fun.utils.fm_solvers import FlowDPMSolverMultistepScheduler +from videox_fun.utils.fm_solvers_unipc import FlowUniPCMultistepScheduler + +# GPU memory mode, which can be choosen in [model_full_load, model_cpu_offload_and_qfloat8, model_cpu_offload, model_cpu_offload_and_qfloat8, sequential_cpu_offload]. +# model_full_load means that the entire model will be moved to the GPU. +# +# model_full_load_and_qfloat8 means that the entire model will be moved to the GPU, +# and the transformer model has been quantized to float8, which can save more GPU memory. +# +# model_cpu_offload means that the entire model will be moved to the CPU after use, which can save some GPU memory. +# +# model_cpu_offload_and_qfloat8 indicates that the entire model will be moved to the CPU after use, +# and the transformer model has been quantized to float8, which can save more GPU memory. +# +# sequential_cpu_offload means that each layer of the model will be moved to the CPU after use, +# resulting in slower speeds but saving a large amount of GPU memory. +GPU_memory_mode = "sequential_cpu_offload" +# Multi GPUs config +# Please ensure that the product of ulysses_degree and ring_degree equals the number of GPUs used. +# For example, if you are using 8 GPUs, you can set ulysses_degree = 2 and ring_degree = 4. +# If you are using 1 GPU, you can set ulysses_degree = 1 and ring_degree = 1. +ulysses_degree = 1 +ring_degree = 1 +# Use FSDP to save more GPU memory in multi gpus. +fsdp_dit = False +fsdp_text_encoder = True +# Compile will give a speedup in fixed resolution and need a little GPU memory. +# The compile_dit is not compatible with the fsdp_dit and sequential_cpu_offload. +compile_dit = False + +# Support TeaCache. +enable_teacache = True +# Recommended to be set between 0.05 and 0.30. A larger threshold can cache more steps, speeding up the inference process, +# but it may cause slight differences between the generated content and the original content. +# # --------------------------------------------------------------------------------------------------- # +# | Model Name | threshold | Model Name | threshold | +# | Wan2.2-T2V-A14B | 0.10~0.15 | Wan2.2-I2V-A14B | 0.15~0.20 | +# | Wan2.2-Fun-A14B-* | 0.15~0.20 | +# # --------------------------------------------------------------------------------------------------- # +teacache_threshold = 0.10 +# The number of steps to skip TeaCache at the beginning of the inference process, which can +# reduce the impact of TeaCache on generated video quality. +num_skip_start_steps = 5 +# Whether to offload TeaCache tensors to cpu to save a little bit of GPU memory. +teacache_offload = False + +# Skip some cfg steps in inference +# Recommended to be set between 0.00 and 0.25 +cfg_skip_ratio = 0 + +# Riflex config +enable_riflex = False +# Index of intrinsic frequency +riflex_k = 6 + +# Config and model path +config_path = "config/wan2.2/wan_civitai_i2v.yaml" +# model path +model_name = "models/Diffusion_Transformer/Wan2.2-Fun-A14B-Control" + +# Choose the sampler in "Flow", "Flow_Unipc", "Flow_DPM++" +sampler_name = "Flow" +# [NOTE]: Noise schedule shift parameter. Affects temporal dynamics. +# Used when the sampler is in "Flow_Unipc", "Flow_DPM++". +# If you want to generate a 480p video, it is recommended to set the shift value to 3.0. +# If you want to generate a 720p video, it is recommended to set the shift value to 5.0. +shift = 5 + +# Load pretrained model if need +# The transformer_path is used for low noise model, the transformer_high_path is used for high noise model. +transformer_path = None +transformer_high_path = None +vae_path = None +# Load lora model if need +# The lora_path is used for low noise model, the lora_high_path is used for high noise model. +lora_path = None +lora_high_path = None + +# Other params +sample_size = [832, 480] +video_length = 81 +fps = 16 + +# Use torch.float16 if GPU does not support torch.bfloat16 +# ome graphics cards, such as v100, 2080ti, do not support torch.bfloat16 +weight_dtype = torch.bfloat16 +control_video = "asset/pose.mp4" +control_camera_txt = None +start_image = None +end_image = None +ref_image = "asset/8.png" + +# 使用更长的neg prompt如"模糊,突变,变形,失真,画面暗,文本字幕,画面固定,连环画,漫画,线稿,没有主体。",可以增加稳定性 +# 在neg prompt中添加"安静,固定"等词语可以增加动态性。 +prompt = "一位年轻女子站在阳光明媚的海岸线上,身穿深蓝色背心与清爽的白色衬衫,外搭一条简洁的白色围裙,围裙在轻拂的海风中微微飘动。她拥有一头鲜艳的紫色长发,在风中轻盈舞动,发间系着一个精致的黑色蝴蝶结,与身后柔和的蔚蓝天空形成鲜明对比。她面容清秀,眉目精致,透着一股甜美的青春气息;神情柔和,略带羞涩,目光静静地凝望着远方的地平线,双手自然交叠于身前,仿佛沉浸在思绪之中。在她身后,是辽阔无垠、波光粼粼的大海,阳光洒在海面上,映出温暖的金色光晕。" +negative_prompt = "色调艳丽,过曝,静态,细节模糊不清,字幕,风格,作品,画作,画面,静止,整体发灰,最差质量,低质量,JPEG压缩残留,丑陋的,残缺的,多余的手指,画得不好的手部,画得不好的脸部,畸形的,毁容的,形态畸形的肢体,手指融合,静止不动的画面,杂乱的背景,三条腿,背景人很多,倒着走" + +# Using longer neg prompt such as "Blurring, mutation, deformation, distortion, dark and solid, comics, text subtitles, line art." can increase stability +# Adding words such as "quiet, solid" to the neg prompt can increase dynamism. +# prompt = "A young woman with beautiful, clear eyes and blonde hair stands in the forest, wearing a white dress and a crown. Her expression is serene, reminiscent of a movie star, with fair and youthful skin. Her brown long hair flows in the wind. The video quality is very high, with a clear view. High quality, masterpiece, best quality, high resolution, ultra-fine, fantastical." +# negative_prompt = "Twisted body, limb deformities, text captions, comic, static, ugly, error, messy code." +guidance_scale = 6.0 +seed = 42 +num_inference_steps = 50 +# The lora_weight is used for low noise model, the lora_high_weight is used for high noise model. +lora_weight = 0.55 +lora_high_weight = 0.55 +save_path = "samples/wan-videos-fun-control" + +device = set_multi_gpus_devices(ulysses_degree, ring_degree) +config = OmegaConf.load(config_path) +boundary = config['transformer_additional_kwargs'].get('boundary', 0.875) + +transformer = Wan2_2Transformer3DModel.from_pretrained( + os.path.join(model_name, config['transformer_additional_kwargs'].get('transformer_low_noise_model_subpath', 'transformer')), + transformer_additional_kwargs=OmegaConf.to_container(config['transformer_additional_kwargs']), + low_cpu_mem_usage=True, + torch_dtype=weight_dtype, +) + +transformer_2 = Wan2_2Transformer3DModel.from_pretrained( + os.path.join(model_name, config['transformer_additional_kwargs'].get('transformer_high_noise_model_subpath', 'transformer')), + transformer_additional_kwargs=OmegaConf.to_container(config['transformer_additional_kwargs']), + low_cpu_mem_usage=True, + torch_dtype=weight_dtype, +) + +if transformer_path is not None: + print(f"From checkpoint: {transformer_path}") + if transformer_path.endswith("safetensors"): + from safetensors.torch import load_file, safe_open + state_dict = load_file(transformer_path) + else: + state_dict = torch.load(transformer_path, map_location="cpu") + state_dict = state_dict["state_dict"] if "state_dict" in state_dict else state_dict + + m, u = transformer.load_state_dict(state_dict, strict=False) + print(f"missing keys: {len(m)}, unexpected keys: {len(u)}") + +if transformer_high_path is not None: + print(f"From checkpoint: {transformer_high_path}") + if transformer_high_path.endswith("safetensors"): + from safetensors.torch import load_file, safe_open + state_dict = load_file(transformer_high_path) + else: + state_dict = torch.load(transformer_high_path, map_location="cpu") + state_dict = state_dict["state_dict"] if "state_dict" in state_dict else state_dict + + m, u = transformer_2.load_state_dict(state_dict, strict=False) + print(f"missing keys: {len(m)}, unexpected keys: {len(u)}") + +# Get Vae +Choosen_AutoencoderKL = { + "AutoencoderKLWan": AutoencoderKLWan, +}[config['vae_kwargs'].get('vae_type', 'AutoencoderKLWan')] +vae = Choosen_AutoencoderKL.from_pretrained( + os.path.join(model_name, config['vae_kwargs'].get('vae_subpath', 'vae')), + additional_kwargs=OmegaConf.to_container(config['vae_kwargs']), +).to(weight_dtype) + +if vae_path is not None: + print(f"From checkpoint: {vae_path}") + if vae_path.endswith("safetensors"): + from safetensors.torch import load_file, safe_open + state_dict = load_file(vae_path) + else: + state_dict = torch.load(vae_path, map_location="cpu") + state_dict = state_dict["state_dict"] if "state_dict" in state_dict else state_dict + + m, u = vae.load_state_dict(state_dict, strict=False) + print(f"missing keys: {len(m)}, unexpected keys: {len(u)}") + +# Get Tokenizer +tokenizer = AutoTokenizer.from_pretrained( + os.path.join(model_name, config['text_encoder_kwargs'].get('tokenizer_subpath', 'tokenizer')), +) + +# Get Text encoder +text_encoder = WanT5EncoderModel.from_pretrained( + os.path.join(model_name, config['text_encoder_kwargs'].get('text_encoder_subpath', 'text_encoder')), + additional_kwargs=OmegaConf.to_container(config['text_encoder_kwargs']), + low_cpu_mem_usage=True, + torch_dtype=weight_dtype, +) +text_encoder = text_encoder.eval() + +# Get Scheduler +Choosen_Scheduler = scheduler_dict = { + "Flow": FlowMatchEulerDiscreteScheduler, + "Flow_Unipc": FlowUniPCMultistepScheduler, + "Flow_DPM++": FlowDPMSolverMultistepScheduler, +}[sampler_name] +if sampler_name == "Flow_Unipc" or sampler_name == "Flow_DPM++": + config['scheduler_kwargs']['shift'] = 1 +scheduler = Choosen_Scheduler( + **filter_kwargs(Choosen_Scheduler, OmegaConf.to_container(config['scheduler_kwargs'])) +) + +# Get Pipeline +pipeline = Wan2_2FunControlPipeline( + transformer=transformer, + transformer_2=transformer_2, + vae=vae, + tokenizer=tokenizer, + text_encoder=text_encoder, + scheduler=scheduler, +) +if ulysses_degree > 1 or ring_degree > 1: + from functools import partial + transformer.enable_multi_gpus_inference() + transformer_2.enable_multi_gpus_inference() + if fsdp_dit: + shard_fn = partial(shard_model, device_id=device, param_dtype=weight_dtype) + pipeline.transformer = shard_fn(pipeline.transformer) + pipeline.transformer_2 = shard_fn(pipeline.transformer_2) + print("Add FSDP DIT") + if fsdp_text_encoder: + shard_fn = partial(shard_model, device_id=device, param_dtype=weight_dtype) + pipeline.text_encoder = shard_fn(pipeline.text_encoder) + print("Add FSDP TEXT ENCODER") + +if compile_dit: + for i in range(len(pipeline.transformer.blocks)): + pipeline.transformer.blocks[i] = torch.compile(pipeline.transformer.blocks[i]) + for i in range(len(pipeline.transformer_2.blocks)): + pipeline.transformer_2.blocks[i] = torch.compile(pipeline.transformer_2.blocks[i]) + print("Add Compile") + +if GPU_memory_mode == "sequential_cpu_offload": + replace_parameters_by_name(transformer, ["modulation",], device=device) + replace_parameters_by_name(transformer_2, ["modulation",], device=device) + transformer.freqs = transformer.freqs.to(device=device) + transformer_2.freqs = transformer_2.freqs.to(device=device) + pipeline.enable_sequential_cpu_offload(device=device) +elif GPU_memory_mode == "model_cpu_offload_and_qfloat8": + convert_model_weight_to_float8(transformer, exclude_module_name=["modulation",], device=device) + convert_model_weight_to_float8(transformer_2, exclude_module_name=["modulation",], device=device) + convert_weight_dtype_wrapper(transformer, weight_dtype) + convert_weight_dtype_wrapper(transformer_2, weight_dtype) + pipeline.enable_model_cpu_offload(device=device) +elif GPU_memory_mode == "model_cpu_offload": + pipeline.enable_model_cpu_offload(device=device) +elif GPU_memory_mode == "model_cpu_offload_and_qfloat8": + convert_model_weight_to_float8(transformer, exclude_module_name=["modulation",], device=device) + convert_model_weight_to_float8(transformer_2, exclude_module_name=["modulation",], device=device) + convert_weight_dtype_wrapper(transformer, weight_dtype) + convert_weight_dtype_wrapper(transformer_2, weight_dtype) + pipeline.to(device=device) +else: + pipeline.to(device=device) + +coefficients = get_teacache_coefficients(model_name) if enable_teacache else None +if coefficients is not None: + print(f"Enable TeaCache with threshold {teacache_threshold} and skip the first {num_skip_start_steps} steps.") + pipeline.transformer.enable_teacache( + coefficients, num_inference_steps, teacache_threshold, num_skip_start_steps=num_skip_start_steps, offload=teacache_offload + ) + pipeline.transformer_2.share_teacache(transformer=pipeline.transformer) + +if cfg_skip_ratio is not None: + print(f"Enable cfg_skip_ratio {cfg_skip_ratio}.") + pipeline.transformer.enable_cfg_skip(cfg_skip_ratio, num_inference_steps) + pipeline.transformer_2.share_cfg_skip(transformer=pipeline.transformer) + +generator = torch.Generator(device=device).manual_seed(seed) + +if lora_path is not None: + pipeline = merge_lora(pipeline, lora_path, lora_weight, device=device) + pipeline = merge_lora(pipeline, lora_high_path, lora_high_weight, device=device, sub_transformer_name="transformer_2") + +with torch.no_grad(): + video_length = int((video_length - 1) // vae.config.temporal_compression_ratio * vae.config.temporal_compression_ratio) + 1 if video_length != 1 else 1 + latent_frames = (video_length - 1) // vae.config.temporal_compression_ratio + 1 + + if enable_riflex: + pipeline.transformer.enable_riflex(k = riflex_k, L_test = latent_frames) + + inpaint_video, inpaint_video_mask, clip_image = get_image_to_video_latent(start_image, end_image, video_length=video_length, sample_size=sample_size) + + if ref_image is not None: + ref_image = get_image_latent(ref_image, sample_size=sample_size) + + if control_camera_txt is not None: + input_video, input_video_mask = None, None + control_camera_video = process_pose_file(control_camera_txt, sample_size[1], sample_size[0]) + control_camera_video = control_camera_video[:video_length].permute([3, 0, 1, 2]).unsqueeze(0) + else: + input_video, input_video_mask, _, _ = get_video_to_video_latent(control_video, video_length=video_length, sample_size=sample_size, fps=fps, ref_image=None) + control_camera_video = None + + sample = pipeline( + prompt, + num_frames = video_length, + negative_prompt = negative_prompt, + height = sample_size[0], + width = sample_size[1], + generator = generator, + guidance_scale = guidance_scale, + num_inference_steps = num_inference_steps, + + video = inpaint_video, + mask_video = inpaint_video_mask, + control_video = input_video, + control_camera_video = control_camera_video, + ref_image = ref_image, + boundary = boundary, + shift = shift, + ).videos + +if lora_path is not None: + pipeline = unmerge_lora(pipeline, lora_path, lora_weight, device=device) + pipeline = unmerge_lora(pipeline, lora_high_path, lora_high_weight, device=device, sub_transformer_name="transformer_2") + +def save_results(): + if not os.path.exists(save_path): + os.makedirs(save_path, exist_ok=True) + + index = len([path for path in os.listdir(save_path)]) + 1 + prefix = str(index).zfill(8) + if video_length == 1: + video_path = os.path.join(save_path, prefix + ".png") + + image = sample[0, :, 0] + image = image.transpose(0, 1).transpose(1, 2) + image = (image * 255).numpy().astype(np.uint8) + image = Image.fromarray(image) + image.save(video_path) + else: + video_path = os.path.join(save_path, prefix + ".mp4") + save_videos_grid(sample, video_path, fps=fps) + +if ulysses_degree * ring_degree > 1: + import torch.distributed as dist + if dist.get_rank() == 0: + save_results() +else: + save_results() \ No newline at end of file diff --git a/scripts/wan2.1/train_reward_lora.py b/scripts/wan2.1/train_reward_lora.py index a00b8ad..c032d3c 100755 --- a/scripts/wan2.1/train_reward_lora.py +++ b/scripts/wan2.1/train_reward_lora.py @@ -1171,7 +1171,7 @@ def main(): timesteps = noise_scheduler.timesteps # Prepare latent variables - vae_scale_factor = vae.spacial_compression_ratio + vae_scale_factor = vae.spatial_compression_ratio latent_shape = [ args.train_batch_size, vae.config.latent_channels, diff --git a/scripts/wan2.1_fun/train_reward_lora.py b/scripts/wan2.1_fun/train_reward_lora.py index 97652f2..f0a22db 100755 --- a/scripts/wan2.1_fun/train_reward_lora.py +++ b/scripts/wan2.1_fun/train_reward_lora.py @@ -1184,7 +1184,7 @@ def main(): timesteps = noise_scheduler.timesteps # Prepare latent variables - vae_scale_factor = vae.spacial_compression_ratio + vae_scale_factor = vae.spatial_compression_ratio latent_shape = [ args.train_batch_size, vae.config.latent_channels, diff --git a/scripts/wan2.2_fun/train_control_lora.py b/scripts/wan2.2_fun/train_control_lora.py new file mode 100644 index 0000000..ed2b9aa --- /dev/null +++ b/scripts/wan2.2_fun/train_control_lora.py @@ -0,0 +1,2038 @@ +"""Modified from https://github.com/huggingface/diffusers/blob/main/examples/text_to_image/train_text_to_image.py +""" +#!/usr/bin/env python +# coding=utf-8 +# Copyright 2024 The HuggingFace Inc. team. All rights reserved. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and + +import argparse +import gc +import logging +import math +import os +import pickle +import random +import shutil +import sys + +import accelerate +import diffusers +import numpy as np +import torch +import torch.nn.functional as F +import torch.utils.checkpoint +import torchvision.transforms.functional as TF +import transformers +from accelerate import Accelerator, FullyShardedDataParallelPlugin +from accelerate.logging import get_logger +from accelerate.state import AcceleratorState +from accelerate.utils import ProjectConfiguration, set_seed +from diffusers import DDIMScheduler, FlowMatchEulerDiscreteScheduler +from diffusers.optimization import get_scheduler +from diffusers.training_utils import (EMAModel, + compute_density_for_timestep_sampling, + compute_loss_weighting_for_sd3) +from diffusers.utils import check_min_version, deprecate, is_wandb_available +from diffusers.utils.torch_utils import is_compiled_module +from einops import rearrange +from omegaconf import OmegaConf +from packaging import version +from PIL import Image +from torch.utils.data import RandomSampler +from torch.utils.tensorboard import SummaryWriter +from torchvision import transforms +from tqdm.auto import tqdm +from transformers import AutoTokenizer +from transformers.utils import ContextManagers + +import datasets + +current_file_path = os.path.abspath(__file__) +project_roots = [os.path.dirname(current_file_path), os.path.dirname(os.path.dirname(current_file_path)), os.path.dirname(os.path.dirname(os.path.dirname(current_file_path)))] +for project_root in project_roots: + sys.path.insert(0, project_root) if project_root not in sys.path else None + +from videox_fun.data.bucket_sampler import (ASPECT_RATIO_512, + ASPECT_RATIO_RANDOM_CROP_512, + ASPECT_RATIO_RANDOM_CROP_PROB, + AspectRatioBatchImageVideoSampler, + RandomSampler, get_closest_ratio) +from videox_fun.data.dataset_image_video import (ImageVideoControlDataset, + ImageVideoDataset, + ImageVideoSampler, + get_random_mask, + process_pose_file, + process_pose_params) +from videox_fun.models import (AutoencoderKLWan, CLIPModel, WanT5EncoderModel, + Wan2_2Transformer3DModel) +from videox_fun.pipeline import WanFunControlPipeline +from videox_fun.utils.discrete_sampler import DiscreteSampling +from videox_fun.utils.lora_utils import (create_network, merge_lora, + unmerge_lora) +from videox_fun.utils.utils import (get_image_to_video_latent, + get_video_to_video_latent, + save_videos_grid) + +if is_wandb_available(): + import wandb + + +def filter_kwargs(cls, kwargs): + import inspect + sig = inspect.signature(cls.__init__) + valid_params = set(sig.parameters.keys()) - {'self', 'cls'} + filtered_kwargs = {k: v for k, v in kwargs.items() if k in valid_params} + return filtered_kwargs + +def linear_decay(initial_value, final_value, total_steps, current_step): + if current_step >= total_steps: + return final_value + current_step = max(0, current_step) + step_size = (final_value - initial_value) / total_steps + current_value = initial_value + step_size * current_step + return current_value + +def generate_timestep_with_lognorm(low, high, shape, device="cpu", generator=None): + u = torch.normal(mean=0.0, std=1.0, size=shape, device=device, generator=generator) + t = 1 / (1 + torch.exp(-u)) * (high - low) + low + return torch.clip(t.to(torch.int32), low, high - 1) + +def resize_mask(mask, latent, process_first_frame_only=True): + latent_size = latent.size() + batch_size, channels, num_frames, height, width = mask.shape + + if process_first_frame_only: + target_size = list(latent_size[2:]) + target_size[0] = 1 + first_frame_resized = F.interpolate( + mask[:, :, 0:1, :, :], + size=target_size, + mode='trilinear', + align_corners=False + ) + + target_size = list(latent_size[2:]) + target_size[0] = target_size[0] - 1 + if target_size[0] != 0: + remaining_frames_resized = F.interpolate( + mask[:, :, 1:, :, :], + size=target_size, + mode='trilinear', + align_corners=False + ) + resized_mask = torch.cat([first_frame_resized, remaining_frames_resized], dim=2) + else: + resized_mask = first_frame_resized + else: + target_size = list(latent_size[2:]) + resized_mask = F.interpolate( + mask, + size=target_size, + mode='trilinear', + align_corners=False + ) + return resized_mask + +# Will error if the minimal version of diffusers is not installed. Remove at your own risks. +check_min_version("0.18.0.dev0") + +logger = get_logger(__name__, log_level="INFO") + +def log_validation(vae, text_encoder, tokenizer, transformer3d, network, config, args, accelerator, weight_dtype, global_step): + try: + logger.info("Running validation... ") + + transformer3d_val = Wan2_2Transformer3DModel.from_pretrained( + os.path.join(args.pretrained_model_name_or_path, config['transformer_additional_kwargs'].get('transformer_subpath', 'transformer')), + transformer_additional_kwargs=OmegaConf.to_container(config['transformer_additional_kwargs']), + ).to(weight_dtype) + transformer3d_val.load_state_dict(accelerator.unwrap_model(transformer3d).state_dict()) + scheduler = FlowMatchEulerDiscreteScheduler( + **filter_kwargs(FlowMatchEulerDiscreteScheduler, OmegaConf.to_container(config['scheduler_kwargs'])) + ) + + pipeline = WanFunControlPipeline( + vae=accelerator.unwrap_model(vae).to(weight_dtype), + text_encoder=accelerator.unwrap_model(text_encoder), + tokenizer=tokenizer, + transformer=transformer3d_val, + scheduler=scheduler, + ) + pipeline = pipeline.to(accelerator.device) + + pipeline = merge_lora( + pipeline, None, 1, accelerator.device, state_dict=accelerator.unwrap_model(network).state_dict(), transformer_only=True + ) + + if args.seed is None: + generator = None + else: + generator = torch.Generator(device=accelerator.device).manual_seed(args.seed) + + images = [] + for i in range(len(args.validation_prompts)): + with torch.no_grad(): + with torch.autocast("cuda", dtype=weight_dtype): + video_length = int(args.video_sample_n_frames // vae.config.temporal_compression_ratio * vae.config.temporal_compression_ratio) + 1 if args.video_sample_n_frames != 1 else 1 + input_video, input_video_mask, ref_image, clip_image = get_video_to_video_latent(args.validation_paths[i], video_length=video_length, sample_size=[args.video_sample_size, args.video_sample_size]) + sample = pipeline( + args.validation_prompts[i], + num_frames = video_length, + negative_prompt = "bad detailed", + height = args.video_sample_size, + width = args.video_sample_size, + generator = generator, + + control_video = input_video, + ).videos + os.makedirs(os.path.join(args.output_dir, "sample"), exist_ok=True) + save_videos_grid(sample, os.path.join(args.output_dir, f"sample/sample-{global_step}-{i}.gif")) + + del pipeline + del transformer3d_val + gc.collect() + torch.cuda.empty_cache() + torch.cuda.ipc_collect() + + return images + except Exception as e: + gc.collect() + torch.cuda.empty_cache() + torch.cuda.ipc_collect() + print(f"Eval error with info {e}") + return None + +def parse_args(): + parser = argparse.ArgumentParser(description="Simple example of a training script.") + parser.add_argument( + "--input_perturbation", type=float, default=0, help="The scale of input perturbation. Recommended 0.1." + ) + parser.add_argument( + "--pretrained_model_name_or_path", + type=str, + default=None, + required=True, + help="Path to pretrained model or model identifier from huggingface.co/models.", + ) + parser.add_argument( + "--revision", + type=str, + default=None, + required=False, + help="Revision of pretrained model identifier from huggingface.co/models.", + ) + parser.add_argument( + "--variant", + type=str, + default=None, + help="Variant of the model files of the pretrained model identifier from huggingface.co/models, 'e.g.' fp16", + ) + parser.add_argument( + "--train_data_dir", + type=str, + default=None, + help=( + "A folder containing the training data. " + ), + ) + parser.add_argument( + "--train_data_meta", + type=str, + default=None, + help=( + "A csv containing the training data. " + ), + ) + parser.add_argument( + "--max_train_samples", + type=int, + default=None, + help=( + "For debugging purposes or quicker training, truncate the number of training examples to this " + "value if set." + ), + ) + parser.add_argument( + "--validation_prompts", + type=str, + default=None, + nargs="+", + help=("A set of prompts evaluated every `--validation_epochs` and logged to `--report_to`."), + ) + parser.add_argument( + "--output_dir", + type=str, + default="sd-model-finetuned", + help="The output directory where the model predictions and checkpoints will be written.", + ) + parser.add_argument( + "--cache_dir", + type=str, + default=None, + help="The directory where the downloaded models and datasets will be stored.", + ) + parser.add_argument("--seed", type=int, default=None, help="A seed for reproducible training.") + parser.add_argument( + "--random_flip", + action="store_true", + help="whether to randomly flip images horizontally", + ) + parser.add_argument( + "--use_came", + action="store_true", + help="whether to use came", + ) + parser.add_argument( + "--multi_stream", + action="store_true", + help="whether to use cuda multi-stream", + ) + parser.add_argument( + "--train_batch_size", type=int, default=16, help="Batch size (per device) for the training dataloader." + ) + parser.add_argument( + "--vae_mini_batch", type=int, default=32, help="mini batch size for vae." + ) + parser.add_argument("--num_train_epochs", type=int, default=100) + parser.add_argument( + "--max_train_steps", + type=int, + default=None, + help="Total number of training steps to perform. If provided, overrides num_train_epochs.", + ) + parser.add_argument( + "--gradient_accumulation_steps", + type=int, + default=1, + help="Number of updates steps to accumulate before performing a backward/update pass.", + ) + parser.add_argument( + "--gradient_checkpointing", + action="store_true", + help="Whether or not to use gradient checkpointing to save memory at the expense of slower backward pass.", + ) + parser.add_argument( + "--learning_rate", + type=float, + default=1e-4, + help="Initial learning rate (after the potential warmup period) to use.", + ) + parser.add_argument( + "--scale_lr", + action="store_true", + default=False, + help="Scale the learning rate by the number of GPUs, gradient accumulation steps, and batch size.", + ) + parser.add_argument( + "--lr_scheduler", + type=str, + default="constant", + help=( + 'The scheduler type to use. Choose between ["linear", "cosine", "cosine_with_restarts", "polynomial",' + ' "constant", "constant_with_warmup"]' + ), + ) + parser.add_argument( + "--lr_warmup_steps", type=int, default=500, help="Number of steps for the warmup in the lr scheduler." + ) + parser.add_argument( + "--use_8bit_adam", action="store_true", help="Whether or not to use 8-bit Adam from bitsandbytes." + ) + parser.add_argument( + "--allow_tf32", + action="store_true", + help=( + "Whether or not to allow TF32 on Ampere GPUs. Can be used to speed up training. For more information, see" + " https://pytorch.org/docs/stable/notes/cuda.html#tensorfloat-32-tf32-on-ampere-devices" + ), + ) + parser.add_argument("--use_ema", action="store_true", help="Whether to use EMA model.") + parser.add_argument( + "--non_ema_revision", + type=str, + default=None, + required=False, + help=( + "Revision of pretrained non-ema model identifier. Must be a branch, tag or git identifier of the local or" + " remote repository specified with --pretrained_model_name_or_path." + ), + ) + parser.add_argument( + "--dataloader_num_workers", + type=int, + default=0, + help=( + "Number of subprocesses to use for data loading. 0 means that the data will be loaded in the main process." + ), + ) + parser.add_argument("--adam_beta1", type=float, default=0.9, help="The beta1 parameter for the Adam optimizer.") + parser.add_argument("--adam_beta2", type=float, default=0.999, help="The beta2 parameter for the Adam optimizer.") + parser.add_argument("--adam_weight_decay", type=float, default=1e-2, help="Weight decay to use.") + parser.add_argument("--adam_epsilon", type=float, default=1e-08, help="Epsilon value for the Adam optimizer") + parser.add_argument("--max_grad_norm", default=1.0, type=float, help="Max gradient norm.") + parser.add_argument("--push_to_hub", action="store_true", help="Whether or not to push the model to the Hub.") + parser.add_argument("--hub_token", type=str, default=None, help="The token to use to push to the Model Hub.") + parser.add_argument( + "--prediction_type", + type=str, + default=None, + help="The prediction_type that shall be used for training. Choose between 'epsilon' or 'v_prediction' or leave `None`. If left to `None` the default prediction type of the scheduler: `noise_scheduler.config.prediciton_type` is chosen.", + ) + parser.add_argument( + "--hub_model_id", + type=str, + default=None, + help="The name of the repository to keep in sync with the local `output_dir`.", + ) + parser.add_argument( + "--logging_dir", + type=str, + default="logs", + help=( + "[TensorBoard](https://www.tensorflow.org/tensorboard) log directory. Will default to" + " *output_dir/runs/**CURRENT_DATETIME_HOSTNAME***." + ), + ) + parser.add_argument( + "--mixed_precision", + type=str, + default=None, + choices=["no", "fp16", "bf16"], + help=( + "Whether to use mixed precision. Choose between fp16 and bf16 (bfloat16). Bf16 requires PyTorch >=" + " 1.10.and an Nvidia Ampere GPU. Default to the value of accelerate config of the current system or the" + " flag passed with the `accelerate.launch` command. Use this argument to override the accelerate config." + ), + ) + parser.add_argument( + "--report_to", + type=str, + default="tensorboard", + help=( + 'The integration to report the results and logs to. Supported platforms are `"tensorboard"`' + ' (default), `"wandb"` and `"comet_ml"`. Use `"all"` to report to all integrations.' + ), + ) + parser.add_argument("--local_rank", type=int, default=-1, help="For distributed training: local_rank") + parser.add_argument( + "--checkpointing_steps", + type=int, + default=500, + help=( + "Save a checkpoint of the training state every X updates. These checkpoints are only suitable for resuming" + " training using `--resume_from_checkpoint`." + ), + ) + parser.add_argument( + "--checkpoints_total_limit", + type=int, + default=None, + help=("Max number of checkpoints to store."), + ) + parser.add_argument( + "--resume_from_checkpoint", + type=str, + default=None, + help=( + "Whether training should be resumed from a previous checkpoint. Use a path saved by" + ' `--checkpointing_steps`, or `"latest"` to automatically select the last available checkpoint.' + ), + ) + parser.add_argument("--noise_offset", type=float, default=0, help="The scale of noise offset.") + parser.add_argument( + "--validation_epochs", + type=int, + default=5, + help="Run validation every X epochs.", + ) + parser.add_argument( + "--validation_steps", + type=int, + default=2000, + help="Run validation every X steps.", + ) + parser.add_argument( + "--tracker_project_name", + type=str, + default="text2image-fine-tune", + help=( + "The `project_name` argument passed to Accelerator.init_trackers for" + " more information see https://huggingface.co/docs/accelerate/v0.17.0/en/package_reference/accelerator#accelerate.Accelerator" + ), + ) + + parser.add_argument( + "--rank", + type=int, + default=128, + help=("The dimension of the LoRA update matrices."), + ) + parser.add_argument( + "--network_alpha", + type=int, + default=64, + help=("The dimension of the LoRA update matrices."), + ) + parser.add_argument( + "--train_text_encoder", + action="store_true", + help="Whether to train the text encoder. If set, the text encoder should be float32 precision.", + ) + parser.add_argument( + "--snr_loss", action="store_true", help="Whether or not to use snr_loss." + ) + parser.add_argument( + "--uniform_sampling", action="store_true", help="Whether or not to use uniform_sampling." + ) + parser.add_argument( + "--enable_text_encoder_in_dataloader", action="store_true", help="Whether or not to use text encoder in dataloader." + ) + parser.add_argument( + "--enable_bucket", action="store_true", help="Whether enable bucket sample in datasets." + ) + parser.add_argument( + "--random_ratio_crop", action="store_true", help="Whether enable random ratio crop sample in datasets." + ) + parser.add_argument( + "--random_frame_crop", action="store_true", help="Whether enable random frame crop sample in datasets." + ) + parser.add_argument( + "--random_hw_adapt", action="store_true", help="Whether enable random adapt height and width in datasets." + ) + parser.add_argument( + "--training_with_video_token_length", action="store_true", help="The training stage of the model in training.", + ) + parser.add_argument( + "--motion_sub_loss", action="store_true", help="Whether enable motion sub loss." + ) + parser.add_argument( + "--motion_sub_loss_ratio", type=float, default=0.25, help="The ratio of motion sub loss." + ) + parser.add_argument( + "--train_sampling_steps", + type=int, + default=1000, + help="Run train_sampling_steps.", + ) + parser.add_argument( + "--keep_all_node_same_token_length", + action="store_true", + help="Reference of the length token.", + ) + parser.add_argument( + "--token_sample_size", + type=int, + default=512, + help="Sample size of the token.", + ) + parser.add_argument( + "--video_sample_size", + type=int, + default=512, + help="Sample size of the video.", + ) + parser.add_argument( + "--image_sample_size", + type=int, + default=512, + help="Sample size of the image.", + ) + parser.add_argument( + "--fix_sample_size", + nargs=2, type=int, default=None, + help="Fix Sample size [height, width] when using bucket and collate_fn." + ) + parser.add_argument( + "--video_sample_stride", + type=int, + default=4, + help="Sample stride of the video.", + ) + parser.add_argument( + "--video_sample_n_frames", + type=int, + default=17, + help="Num frame of video.", + ) + parser.add_argument( + "--video_repeat", + type=int, + default=0, + help="Num of repeat video.", + ) + parser.add_argument( + "--config_path", + type=str, + default=None, + help=( + "The config of the model in training." + ), + ) + parser.add_argument( + "--transformer_path", + type=str, + default=None, + help=("If you want to load the weight from other transformers, input its path."), + ) + parser.add_argument( + "--vae_path", + type=str, + default=None, + help=("If you want to load the weight from other vaes, input its path."), + ) + parser.add_argument("--save_state", action="store_true", help="Whether or not to save state.") + + parser.add_argument( + '--tokenizer_max_length', + type=int, + default=512, + help='Max length of tokenizer' + ) + parser.add_argument( + "--use_deepspeed", action="store_true", help="Whether or not to use deepspeed." + ) + parser.add_argument( + "--use_fsdp", action="store_true", help="Whether or not to use fsdp." + ) + parser.add_argument( + "--low_vram", action="store_true", help="Whether enable low_vram mode." + ) + parser.add_argument( + "--boundary_type", + type=str, + default="low", + help=( + 'The format of training data. Support `"low"` and `"high"`' + ), + ) + parser.add_argument( + "--train_mode", + type=str, + default="control", + help=( + 'The format of training data. Support `"control"`' + ' (default), `"control_ref"`, `"control_camera_ref"`.' + ), + ) + parser.add_argument( + "--control_ref_image", + type=str, + default="first_frame", + help=( + 'The format of training data. Support `"first_frame"`' + ' (default), `"random"`.' + ), + ) + parser.add_argument( + "--add_full_ref_image_in_self_attention", + action="store_true", + help=( + 'Whether enable add full ref image in self attention.' + ), + ) + parser.add_argument( + "--add_inpaint_info", + action="store_true", + help=( + 'Whether enable add inpaint info in self attention.' + ), + ) + parser.add_argument( + "--weighting_scheme", + type=str, + default="none", + choices=["sigma_sqrt", "logit_normal", "mode", "cosmap", "none"], + help=('We default to the "none" weighting scheme for uniform sampling and uniform loss'), + ) + parser.add_argument( + "--logit_mean", type=float, default=0.0, help="mean to use when using the `'logit_normal'` weighting scheme." + ) + parser.add_argument( + "--logit_std", type=float, default=1.0, help="std to use when using the `'logit_normal'` weighting scheme." + ) + parser.add_argument( + "--mode_scale", + type=float, + default=1.29, + help="Scale of mode weighting scheme. Only effective when using the `'mode'` as the `weighting_scheme`.", + ) + parser.add_argument( + "--lora_skip_name", + type=str, + default=None, + help=("The module is not trained in loras. "), + ) + + args = parser.parse_args() + env_local_rank = int(os.environ.get("LOCAL_RANK", -1)) + if env_local_rank != -1 and env_local_rank != args.local_rank: + args.local_rank = env_local_rank + + # default to using the same revision for the non-ema model if not specified + if args.non_ema_revision is None: + args.non_ema_revision = args.revision + + return args + + +def main(): + args = parse_args() + + if args.report_to == "wandb" and args.hub_token is not None: + raise ValueError( + "You cannot use both --report_to=wandb and --hub_token due to a security risk of exposing your token." + " Please use `huggingface-cli login` to authenticate with the Hub." + ) + + if args.non_ema_revision is not None: + deprecate( + "non_ema_revision!=None", + "0.15.0", + message=( + "Downloading 'non_ema' weights from revision branches of the Hub is deprecated. Please make sure to" + " use `--variant=non_ema` instead." + ), + ) + logging_dir = os.path.join(args.output_dir, args.logging_dir) + + config = OmegaConf.load(args.config_path) + accelerator_project_config = ProjectConfiguration(project_dir=args.output_dir, logging_dir=logging_dir) + + accelerator = Accelerator( + gradient_accumulation_steps=args.gradient_accumulation_steps, + mixed_precision=args.mixed_precision, + log_with=args.report_to, + project_config=accelerator_project_config, + ) + + deepspeed_plugin = accelerator.state.deepspeed_plugin if hasattr(accelerator.state, "deepspeed_plugin") else None + fsdp_plugin = accelerator.state.fsdp_plugin if hasattr(accelerator.state, "fsdp_plugin") else None + if deepspeed_plugin is not None: + zero_stage = int(deepspeed_plugin.zero_stage) + fsdp_stage = 0 + print(f"Using DeepSpeed Zero stage: {zero_stage}") + + args.use_deepspeed = True + if zero_stage == 3: + print(f"Auto set save_state to True because zero_stage == 3") + args.save_state = True + elif fsdp_plugin is not None: + from torch.distributed.fsdp import ShardingStrategy + zero_stage = 0 + if fsdp_plugin.sharding_strategy is ShardingStrategy.FULL_SHARD: + fsdp_stage = 3 + elif fsdp_plugin.sharding_strategy is None: # The fsdp_plugin.sharding_strategy is None in FSDP 2. + fsdp_stage = 3 + elif fsdp_plugin.sharding_strategy is ShardingStrategy.SHARD_GRAD_OP: + fsdp_stage = 2 + else: + fsdp_stage = 0 + print(f"Using FSDP stage: {fsdp_stage}") + + args.use_fsdp = True + if fsdp_stage == 3: + print(f"Auto set save_state to True because fsdp_stage == 3") + args.save_state = True + else: + zero_stage = 0 + fsdp_stage = 0 + print("DeepSpeed is not enabled.") + + if accelerator.is_main_process: + writer = SummaryWriter(log_dir=logging_dir) + + # Make one log on every process with the configuration for debugging. + logging.basicConfig( + format="%(asctime)s - %(levelname)s - %(name)s - %(message)s", + datefmt="%m/%d/%Y %H:%M:%S", + level=logging.INFO, + ) + logger.info(accelerator.state, main_process_only=False) + if accelerator.is_local_main_process: + datasets.utils.logging.set_verbosity_warning() + transformers.utils.logging.set_verbosity_warning() + diffusers.utils.logging.set_verbosity_info() + else: + datasets.utils.logging.set_verbosity_error() + transformers.utils.logging.set_verbosity_error() + diffusers.utils.logging.set_verbosity_error() + + # If passed along, set the training seed now. + if args.seed is not None: + set_seed(args.seed) + rng = np.random.default_rng(np.random.PCG64(args.seed + accelerator.process_index)) + torch_rng = torch.Generator(accelerator.device).manual_seed(args.seed + accelerator.process_index) + else: + rng = None + torch_rng = None + index_rng = np.random.default_rng(np.random.PCG64(43)) + print(f"Init rng with seed {args.seed + accelerator.process_index}. Process_index is {accelerator.process_index}") + + # Handle the repository creation + if accelerator.is_main_process: + if args.output_dir is not None: + os.makedirs(args.output_dir, exist_ok=True) + + # For mixed precision training we cast all non-trainable weigths (vae, non-lora text_encoder and non-lora transformer3d) to half-precision + # as these weights are only used for inference, keeping weights in full precision is not required. + weight_dtype = torch.float32 + if accelerator.mixed_precision == "fp16": + weight_dtype = torch.float16 + args.mixed_precision = accelerator.mixed_precision + elif accelerator.mixed_precision == "bf16": + weight_dtype = torch.bfloat16 + args.mixed_precision = accelerator.mixed_precision + + # Load scheduler, tokenizer and models. + noise_scheduler = FlowMatchEulerDiscreteScheduler( + **filter_kwargs(FlowMatchEulerDiscreteScheduler, OmegaConf.to_container(config['scheduler_kwargs'])) + ) + + # Get Tokenizer + tokenizer = AutoTokenizer.from_pretrained( + os.path.join(args.pretrained_model_name_or_path, config['text_encoder_kwargs'].get('tokenizer_subpath', 'tokenizer')), + ) + + def deepspeed_zero_init_disabled_context_manager(): + """ + returns either a context list that includes one that will disable zero.Init or an empty context list + """ + deepspeed_plugin = AcceleratorState().deepspeed_plugin if accelerate.state.is_initialized() else None + if deepspeed_plugin is None: + return [] + + return [deepspeed_plugin.zero3_init_context_manager(enable=False)] + + # Currently Accelerate doesn't know how to handle multiple models under Deepspeed ZeRO stage 3. + # For this to work properly all models must be run through `accelerate.prepare`. But accelerate + # will try to assign the same optimizer with the same weights to all models during + # `deepspeed.initialize`, which of course doesn't work. + # + # For now the following workaround will partially support Deepspeed ZeRO-3, by excluding the 2 + # frozen models from being partitioned during `zero.Init` which gets called during + # `from_pretrained` So CLIPTextModel and AutoencoderKL will not enjoy the parameter sharding + # across multiple gpus and only UNet2DConditionModel will get ZeRO sharded. + with ContextManagers(deepspeed_zero_init_disabled_context_manager()): + # Get Text encoder + text_encoder = WanT5EncoderModel.from_pretrained( + os.path.join(args.pretrained_model_name_or_path, config['text_encoder_kwargs'].get('text_encoder_subpath', 'text_encoder')), + additional_kwargs=OmegaConf.to_container(config['text_encoder_kwargs']), + low_cpu_mem_usage=True, + torch_dtype=weight_dtype, + ) + text_encoder = text_encoder.eval() + # Get Vae + vae = AutoencoderKLWan.from_pretrained( + os.path.join(args.pretrained_model_name_or_path, config['vae_kwargs'].get('vae_subpath', 'vae')), + additional_kwargs=OmegaConf.to_container(config['vae_kwargs']), + ) + vae.eval() + + # Get Transformer + sub_path = config['transformer_additional_kwargs'].get('transformer_low_noise_model_subpath', 'transformer') \ + if args.boundary_type == "low" else config['transformer_additional_kwargs'].get('transformer_high_noise_model_subpath', 'transformer') + transformer3d = Wan2_2Transformer3DModel.from_pretrained( + os.path.join(args.pretrained_model_name_or_path, sub_path), + transformer_additional_kwargs=OmegaConf.to_container(config['transformer_additional_kwargs']), + ).to(weight_dtype) + + # Freeze vae and text_encoder and set transformer3d to trainable + vae.requires_grad_(False) + text_encoder.requires_grad_(False) + transformer3d.requires_grad_(False) + + # Lora will work with this... + network = create_network( + 1.0, + args.rank, + args.network_alpha, + text_encoder, + transformer3d, + neuron_dropout=None, + skip_name=args.lora_skip_name, + ) + network.apply_to(text_encoder, transformer3d, args.train_text_encoder and not args.training_with_video_token_length, True) + + if args.transformer_path is not None: + print(f"From checkpoint: {args.transformer_path}") + if args.transformer_path.endswith("safetensors"): + from safetensors.torch import load_file, safe_open + state_dict = load_file(args.transformer_path) + else: + state_dict = torch.load(args.transformer_path, map_location="cpu") + state_dict = state_dict["state_dict"] if "state_dict" in state_dict else state_dict + + m, u = transformer3d.load_state_dict(state_dict, strict=False) + print(f"missing keys: {len(m)}, unexpected keys: {len(u)}") + + if args.vae_path is not None: + print(f"From checkpoint: {args.vae_path}") + if args.vae_path.endswith("safetensors"): + from safetensors.torch import load_file, safe_open + state_dict = load_file(args.vae_path) + else: + state_dict = torch.load(args.vae_path, map_location="cpu") + state_dict = state_dict["state_dict"] if "state_dict" in state_dict else state_dict + + m, u = vae.load_state_dict(state_dict, strict=False) + print(f"missing keys: {len(m)}, unexpected keys: {len(u)}") + + # `accelerate` 0.16.0 will have better support for customized saving + if version.parse(accelerate.__version__) >= version.parse("0.16.0"): + # create custom saving & loading hooks so that `accelerator.save_state(...)` serializes in a nice format + if fsdp_stage != 0: + def save_model_hook(models, weights, output_dir): + accelerate_state_dict = accelerator.get_state_dict(models[-1], unwrap=True) + if accelerator.is_main_process: + from safetensors.torch import save_file + + safetensor_save_path = os.path.join(output_dir, f"lora_diffusion_pytorch_model.safetensors") + network_state_dict = {} + for key in accelerate_state_dict: + if "network" in key: + network_state_dict[key.replace("network.", "")] = accelerate_state_dict[key].to(weight_dtype) + + save_file(network_state_dict, safetensor_save_path, metadata={"format": "pt"}) + + with open(os.path.join(output_dir, "sampler_pos_start.pkl"), 'wb') as file: + pickle.dump([batch_sampler.sampler._pos_start, first_epoch], file) + + def load_model_hook(models, input_dir): + pkl_path = os.path.join(input_dir, "sampler_pos_start.pkl") + if os.path.exists(pkl_path): + with open(pkl_path, 'rb') as file: + loaded_number, _ = pickle.load(file) + batch_sampler.sampler._pos_start = max(loaded_number - args.dataloader_num_workers * accelerator.num_processes * 2, 0) + print(f"Load pkl from {pkl_path}. Get loaded_number = {loaded_number}.") + + elif zero_stage == 3: + def save_model_hook(models, weights, output_dir): + if accelerator.is_main_process: + with open(os.path.join(output_dir, "sampler_pos_start.pkl"), 'wb') as file: + pickle.dump([batch_sampler.sampler._pos_start, first_epoch], file) + + def load_model_hook(models, input_dir): + pkl_path = os.path.join(input_dir, "sampler_pos_start.pkl") + if os.path.exists(pkl_path): + with open(pkl_path, 'rb') as file: + loaded_number, _ = pickle.load(file) + batch_sampler.sampler._pos_start = max(loaded_number - args.dataloader_num_workers * accelerator.num_processes * 2, 0) + print(f"Load pkl from {pkl_path}. Get loaded_number = {loaded_number}.") + else: + def save_model_hook(models, weights, output_dir): + if accelerator.is_main_process: + safetensor_save_path = os.path.join(output_dir, f"lora_diffusion_pytorch_model.safetensors") + save_model(safetensor_save_path, accelerator.unwrap_model(models[-1])) + if not args.use_deepspeed: + for _ in range(len(weights)): + weights.pop() + + with open(os.path.join(output_dir, "sampler_pos_start.pkl"), 'wb') as file: + pickle.dump([batch_sampler.sampler._pos_start, first_epoch], file) + + def load_model_hook(models, input_dir): + pkl_path = os.path.join(input_dir, "sampler_pos_start.pkl") + if os.path.exists(pkl_path): + with open(pkl_path, 'rb') as file: + loaded_number, _ = pickle.load(file) + batch_sampler.sampler._pos_start = max(loaded_number - args.dataloader_num_workers * accelerator.num_processes * 2, 0) + print(f"Load pkl from {pkl_path}. Get loaded_number = {loaded_number}.") + + accelerator.register_save_state_pre_hook(save_model_hook) + accelerator.register_load_state_pre_hook(load_model_hook) + + if args.gradient_checkpointing: + transformer3d.enable_gradient_checkpointing() + + # Enable TF32 for faster training on Ampere GPUs, + # cf https://pytorch.org/docs/stable/notes/cuda.html#tensorfloat-32-tf32-on-ampere-devices + if args.allow_tf32: + torch.backends.cuda.matmul.allow_tf32 = True + + if args.scale_lr: + args.learning_rate = ( + args.learning_rate * args.gradient_accumulation_steps * args.train_batch_size * accelerator.num_processes + ) + + # Initialize the optimizer + if args.use_8bit_adam: + try: + import bitsandbytes as bnb + except ImportError: + raise ImportError( + "Please install bitsandbytes to use 8-bit Adam. You can do so by running `pip install bitsandbytes`" + ) + + optimizer_cls = bnb.optim.AdamW8bit + elif args.use_came: + try: + from came_pytorch import CAME + except: + raise ImportError( + "Please install came_pytorch to use CAME. You can do so by running `pip install came_pytorch`" + ) + + optimizer_cls = CAME + else: + optimizer_cls = torch.optim.AdamW + + logging.info("Add network parameters") + trainable_params = list(filter(lambda p: p.requires_grad, network.parameters())) + trainable_params_optim = network.prepare_optimizer_params(args.learning_rate / 2, args.learning_rate, args.learning_rate) + + if args.use_came: + optimizer = optimizer_cls( + trainable_params_optim, + lr=args.learning_rate, + # weight_decay=args.adam_weight_decay, + betas=(0.9, 0.999, 0.9999), + eps=(1e-30, 1e-16) + ) + else: + optimizer = optimizer_cls( + trainable_params_optim, + lr=args.learning_rate, + betas=(args.adam_beta1, args.adam_beta2), + weight_decay=args.adam_weight_decay, + eps=args.adam_epsilon, + ) + + # Get the training dataset + sample_n_frames_bucket_interval = vae.config.temporal_compression_ratio + + if args.fix_sample_size is not None and args.enable_bucket: + args.video_sample_size = max(max(args.fix_sample_size), args.video_sample_size) + args.image_sample_size = max(max(args.fix_sample_size), args.image_sample_size) + args.training_with_video_token_length = False + args.random_hw_adapt = False + + # Get the dataset + train_dataset = ImageVideoControlDataset( + args.train_data_meta, args.train_data_dir, + video_sample_size=args.video_sample_size, video_sample_stride=args.video_sample_stride, video_sample_n_frames=args.video_sample_n_frames, + video_repeat=args.video_repeat, + image_sample_size=args.image_sample_size, + enable_bucket=args.enable_bucket, + enable_camera_info=args.train_mode == "control_camera_ref" + ) + + def worker_init_fn(_seed): + _seed = _seed * 256 + def _worker_init_fn(worker_id): + print(f"worker_init_fn with {_seed + worker_id}") + np.random.seed(_seed + worker_id) + random.seed(_seed + worker_id) + return _worker_init_fn + + if args.enable_bucket: + aspect_ratio_sample_size = {key : [x / 512 * args.video_sample_size for x in ASPECT_RATIO_512[key]] for key in ASPECT_RATIO_512.keys()} + batch_sampler_generator = torch.Generator().manual_seed(args.seed) + batch_sampler = AspectRatioBatchImageVideoSampler( + sampler=RandomSampler(train_dataset, generator=batch_sampler_generator), dataset=train_dataset.dataset, + batch_size=args.train_batch_size, train_folder = args.train_data_dir, drop_last=True, + aspect_ratios=aspect_ratio_sample_size, + ) + + def collate_fn(examples): + def get_length_to_frame_num(token_length): + if args.image_sample_size > args.video_sample_size: + sample_sizes = list(range(args.video_sample_size, args.image_sample_size + 1, 128)) + + if sample_sizes[-1] != args.image_sample_size: + sample_sizes.append(args.image_sample_size) + else: + sample_sizes = [args.image_sample_size] + + length_to_frame_num = { + sample_size: min(token_length / sample_size / sample_size, args.video_sample_n_frames) // sample_n_frames_bucket_interval * sample_n_frames_bucket_interval + 1 for sample_size in sample_sizes + } + + return length_to_frame_num + + def get_random_downsample_ratio(sample_size, image_ratio=[], + all_choices=False, rng=None): + def _create_special_list(length): + if length == 1: + return [1.0] + if length >= 2: + first_element = 0.90 + remaining_sum = 1.0 - first_element + other_elements_value = remaining_sum / (length - 1) + special_list = [first_element] + [other_elements_value] * (length - 1) + return special_list + + if sample_size >= 1536: + number_list = [1, 1.25, 1.5, 2, 2.5, 3] + image_ratio + elif sample_size >= 1024: + number_list = [1, 1.25, 1.5, 2] + image_ratio + elif sample_size >= 768: + number_list = [1, 1.25, 1.5] + image_ratio + elif sample_size >= 512: + number_list = [1] + image_ratio + else: + number_list = [1] + + if all_choices: + return number_list + + number_list_prob = np.array(_create_special_list(len(number_list))) + if rng is None: + return np.random.choice(number_list, p = number_list_prob) + else: + return rng.choice(number_list, p = number_list_prob) + + # Get token length + target_token_length = args.video_sample_n_frames * args.token_sample_size * args.token_sample_size + length_to_frame_num = get_length_to_frame_num(target_token_length) + + # Create new output + new_examples = {} + new_examples["target_token_length"] = target_token_length + new_examples["pixel_values"] = [] + new_examples["text"] = [] + # Used in Control Mode + new_examples["control_pixel_values"] = [] + # Used in Control Ref Mode + if args.train_mode != "control": + new_examples["ref_pixel_values"] = [] + new_examples["clip_pixel_values"] = [] + new_examples["clip_idx"] = [] + # Used in Control Camera Ref Mode + if args.train_mode == "control_camera_ref": + new_examples["control_camera_values"] = [] + + # Used in Inpaint mode + if args.add_inpaint_info: + new_examples["mask_pixel_values"] = [] + new_examples["mask"] = [] + new_examples["clip_pixel_values"] = [] + + # Get downsample ratio in image and videos + pixel_value = examples[0]["pixel_values"] + data_type = examples[0]["data_type"] + f, h, w, c = np.shape(pixel_value) + if data_type == 'image': + random_downsample_ratio = 1 if not args.random_hw_adapt else get_random_downsample_ratio(args.image_sample_size, image_ratio=[args.image_sample_size / args.video_sample_size]) + + aspect_ratio_sample_size = {key : [x / 512 * args.image_sample_size / random_downsample_ratio for x in ASPECT_RATIO_512[key]] for key in ASPECT_RATIO_512.keys()} + aspect_ratio_random_crop_sample_size = {key : [x / 512 * args.image_sample_size / random_downsample_ratio for x in ASPECT_RATIO_RANDOM_CROP_512[key]] for key in ASPECT_RATIO_RANDOM_CROP_512.keys()} + + batch_video_length = args.video_sample_n_frames + sample_n_frames_bucket_interval + else: + if args.random_hw_adapt: + if args.training_with_video_token_length: + local_min_size = np.min(np.array([np.mean(np.array([np.shape(example["pixel_values"])[1], np.shape(example["pixel_values"])[2]])) for example in examples])) + + def get_random_downsample_probability(choice_list, token_sample_size): + length = len(choice_list) + if length == 1: + return [1.0] # If there's only one element, it gets all the probability + + # Find the index of the closest value to token_sample_size + closest_index = min(range(length), key=lambda i: abs(choice_list[i] - token_sample_size)) + + # Assign 50% to the closest index + first_element = 0.50 + remaining_sum = 1.0 - first_element + + # Distribute the remaining 50% evenly among the other elements + other_elements_value = remaining_sum / (length - 1) if length > 1 else 0.0 + + # Construct the probability distribution + probability_list = [other_elements_value] * length + probability_list[closest_index] = first_element + + return probability_list + + choice_list = [length for length in list(length_to_frame_num.keys()) if length < local_min_size * 1.25] + if len(choice_list) == 0: + choice_list = list(length_to_frame_num.keys()) + probabilities = get_random_downsample_probability(choice_list, args.token_sample_size) + local_video_sample_size = np.random.choice(choice_list, p=probabilities) + + random_downsample_ratio = args.video_sample_size / local_video_sample_size + batch_video_length = length_to_frame_num[local_video_sample_size] + else: + random_downsample_ratio = get_random_downsample_ratio(args.video_sample_size) + batch_video_length = args.video_sample_n_frames + sample_n_frames_bucket_interval + else: + random_downsample_ratio = 1 + batch_video_length = args.video_sample_n_frames + sample_n_frames_bucket_interval + + aspect_ratio_sample_size = {key : [x / 512 * args.video_sample_size / random_downsample_ratio for x in ASPECT_RATIO_512[key]] for key in ASPECT_RATIO_512.keys()} + aspect_ratio_random_crop_sample_size = {key : [x / 512 * args.video_sample_size / random_downsample_ratio for x in ASPECT_RATIO_RANDOM_CROP_512[key]] for key in ASPECT_RATIO_RANDOM_CROP_512.keys()} + + if args.fix_sample_size is not None: + fix_sample_size = [int(x / 16) * 16 for x in args.fix_sample_size] + elif args.random_ratio_crop: + if rng is None: + random_sample_size = aspect_ratio_random_crop_sample_size[ + np.random.choice(list(aspect_ratio_random_crop_sample_size.keys()), p = ASPECT_RATIO_RANDOM_CROP_PROB) + ] + else: + random_sample_size = aspect_ratio_random_crop_sample_size[ + rng.choice(list(aspect_ratio_random_crop_sample_size.keys()), p = ASPECT_RATIO_RANDOM_CROP_PROB) + ] + random_sample_size = [int(x / 16) * 16 for x in random_sample_size] + else: + closest_size, closest_ratio = get_closest_ratio(h, w, ratios=aspect_ratio_sample_size) + closest_size = [int(x / 16) * 16 for x in closest_size] + + for example in examples: + # To 0~1 + pixel_values = torch.from_numpy(example["pixel_values"]).permute(0, 3, 1, 2).contiguous() + pixel_values = pixel_values / 255. + + control_pixel_values = torch.from_numpy(example["control_pixel_values"]).permute(0, 3, 1, 2).contiguous() + control_pixel_values = control_pixel_values / 255. + + if args.fix_sample_size is not None: + # Get adapt hw for resize + fix_sample_size = list(map(lambda x: int(x), fix_sample_size)) + transform = transforms.Compose([ + transforms.Resize(fix_sample_size, interpolation=transforms.InterpolationMode.BILINEAR), # Image.BICUBIC + transforms.CenterCrop(fix_sample_size), + transforms.Normalize(mean=[0.5, 0.5, 0.5], std=[0.5, 0.5, 0.5], inplace=True), + ]) + + transform_no_normalize = transforms.Compose([ + transforms.Resize(fix_sample_size, interpolation=transforms.InterpolationMode.BILINEAR), # Image.BICUBIC + transforms.CenterCrop(fix_sample_size), + ]) + elif args.random_ratio_crop: + # Get adapt hw for resize + b, c, h, w = pixel_values.size() + th, tw = random_sample_size + if th / tw > h / w: + nh = int(th) + nw = int(w / h * nh) + else: + nw = int(tw) + nh = int(h / w * nw) + + transform = transforms.Compose([ + transforms.Resize([nh, nw]), + transforms.CenterCrop([int(x) for x in random_sample_size]), + transforms.Normalize(mean=[0.5, 0.5, 0.5], std=[0.5, 0.5, 0.5], inplace=True), + ]) + + transform_no_normalize = transforms.Compose([ + transforms.Resize([nh, nw]), + transforms.CenterCrop([int(x) for x in random_sample_size]), + ]) + else: + # Get adapt hw for resize + closest_size = list(map(lambda x: int(x), closest_size)) + if closest_size[0] / h > closest_size[1] / w: + resize_size = closest_size[0], int(w * closest_size[0] / h) + else: + resize_size = int(h * closest_size[1] / w), closest_size[1] + + transform = transforms.Compose([ + transforms.Resize(resize_size, interpolation=transforms.InterpolationMode.BILINEAR), # Image.BICUBIC + transforms.CenterCrop(closest_size), + transforms.Normalize(mean=[0.5, 0.5, 0.5], std=[0.5, 0.5, 0.5], inplace=True), + ]) + + transform_no_normalize = transforms.Compose([ + transforms.Resize(resize_size, interpolation=transforms.InterpolationMode.BILINEAR), # Image.BICUBIC + transforms.CenterCrop(closest_size), + ]) + + new_examples["pixel_values"].append(transform(pixel_values)) + new_examples["control_pixel_values"].append(transform(control_pixel_values)) + + if args.train_mode == "control_camera_ref": + control_camera_values = example.get("control_camera_values", None) + if control_camera_values is None: + control_camera_values_size = ( + new_examples["control_pixel_values"][-1].size()[0], + 6, + new_examples["control_pixel_values"][-1].size()[2], + new_examples["control_pixel_values"][-1].size()[3] + ) + local_control_camera_values = torch.zeros(control_camera_values_size) + new_examples["control_camera_values"].append(local_control_camera_values) + else: + local_control_camera_values = process_pose_params(example["control_camera_values"], height=resize_size[0], width=resize_size[1]).permute(0, 3, 1, 2).contiguous() + new_examples["control_camera_values"].append(transform_no_normalize(local_control_camera_values)) + + new_examples["text"].append(example["text"]) + # Magvae needs the number of frames to be 4n + 1. + batch_video_length = int( + min( + batch_video_length, + (len(pixel_values) - 1) // sample_n_frames_bucket_interval * sample_n_frames_bucket_interval + 1, + ) + ) + if batch_video_length == 0: + batch_video_length = 1 + + if args.train_mode != "control": + if args.control_ref_image == "first_frame": + clip_index = 0 + else: + def _create_special_list(length): + if length == 1: + return [1.0] + if length >= 2: + first_element = 0.40 + remaining_sum = 1.0 - first_element + other_elements_value = remaining_sum / (length - 1) + special_list = [first_element] + [other_elements_value] * (length - 1) + return special_list + number_list_prob = np.array(_create_special_list(len(new_examples["pixel_values"][-1]))) + clip_index = np.random.choice(list(range(len(new_examples["pixel_values"][-1]))), p = number_list_prob) + new_examples["clip_idx"].append(clip_index) + + ref_pixel_values = new_examples["pixel_values"][-1][clip_index].unsqueeze(0) + new_examples["ref_pixel_values"].append(ref_pixel_values) + + clip_pixel_values = new_examples["pixel_values"][-1][clip_index].permute(1, 2, 0).contiguous() + clip_pixel_values = (clip_pixel_values * 0.5 + 0.5) * 255 + new_examples["clip_pixel_values"].append(clip_pixel_values) + + if args.add_inpaint_info: + mask = get_random_mask(new_examples["pixel_values"][-1].size()) + mask_pixel_values = new_examples["pixel_values"][-1] * (1 - mask) + # Wan 2.1 use 0 for masked pixels + # + torch.ones_like(new_examples["pixel_values"][-1]) * -1 * mask + new_examples["mask_pixel_values"].append(mask_pixel_values) + new_examples["mask"].append(mask) + + # Limit the number of frames to the same + new_examples["pixel_values"] = torch.stack([example[:batch_video_length] for example in new_examples["pixel_values"]]) + new_examples["control_pixel_values"] = torch.stack([example[:batch_video_length] for example in new_examples["control_pixel_values"]]) + if args.train_mode != "control": + new_examples["ref_pixel_values"] = torch.stack([example[:batch_video_length] for example in new_examples["ref_pixel_values"]]) + new_examples["clip_pixel_values"] = torch.stack([example for example in new_examples["clip_pixel_values"]]) + new_examples["clip_idx"] = torch.tensor(new_examples["clip_idx"]) + if args.train_mode == "control_camera_ref": + new_examples["control_camera_values"] = torch.stack([example[:batch_video_length] for example in new_examples["control_camera_values"]]) + if args.add_inpaint_info: + new_examples["mask_pixel_values"] = torch.stack([example[:batch_video_length] for example in new_examples["mask_pixel_values"]]) + new_examples["mask"] = torch.stack([example[:batch_video_length] for example in new_examples["mask"]]) + + # Encode prompts when enable_text_encoder_in_dataloader=True + if args.enable_text_encoder_in_dataloader: + prompt_ids = tokenizer( + new_examples['text'], + max_length=args.tokenizer_max_length, + padding="max_length", + add_special_tokens=True, + truncation=True, + return_tensors="pt" + ) + encoder_hidden_states = text_encoder( + prompt_ids.input_ids + )[0] + new_examples['encoder_attention_mask'] = prompt_ids.attention_mask + new_examples['encoder_hidden_states'] = encoder_hidden_states + + return new_examples + + # DataLoaders creation: + train_dataloader = torch.utils.data.DataLoader( + train_dataset, + batch_sampler=batch_sampler, + collate_fn=collate_fn, + persistent_workers=True if args.dataloader_num_workers != 0 else False, + num_workers=args.dataloader_num_workers, + worker_init_fn=worker_init_fn(args.seed + accelerator.process_index) + ) + else: + # DataLoaders creation: + batch_sampler_generator = torch.Generator().manual_seed(args.seed) + batch_sampler = ImageVideoSampler(RandomSampler(train_dataset, generator=batch_sampler_generator), train_dataset, args.train_batch_size) + train_dataloader = torch.utils.data.DataLoader( + train_dataset, + batch_sampler=batch_sampler, + persistent_workers=True if args.dataloader_num_workers != 0 else False, + num_workers=args.dataloader_num_workers, + worker_init_fn=worker_init_fn(args.seed + accelerator.process_index) + ) + + # Scheduler and math around the number of training steps. + overrode_max_train_steps = False + num_update_steps_per_epoch = math.ceil(len(train_dataloader) / args.gradient_accumulation_steps) + if args.max_train_steps is None: + args.max_train_steps = args.num_train_epochs * num_update_steps_per_epoch + overrode_max_train_steps = True + + lr_scheduler = get_scheduler( + args.lr_scheduler, + optimizer=optimizer, + num_warmup_steps=args.lr_warmup_steps * accelerator.num_processes, + num_training_steps=args.max_train_steps * accelerator.num_processes, + ) + + # Prepare everything with our `accelerator`. + if fsdp_stage != 0: + transformer3d.network = network + transformer3d = transformer3d.to(weight_dtype) + transformer3d, optimizer, train_dataloader, lr_scheduler = accelerator.prepare( + transformer3d, optimizer, train_dataloader, lr_scheduler + ) + else: + network, optimizer, train_dataloader, lr_scheduler = accelerator.prepare( + network, optimizer, train_dataloader, lr_scheduler + ) + + if zero_stage == 3: + from functools import partial + + from videox_fun.dist import set_multi_gpus_devices, shard_model + shard_fn = partial(shard_model, device_id=accelerator.device, param_dtype=weight_dtype) + transformer3d = shard_fn(transformer3d) + + if fsdp_stage != 0: + from functools import partial + + from videox_fun.dist import set_multi_gpus_devices, shard_model + shard_fn = partial(shard_model, device_id=accelerator.device, param_dtype=weight_dtype) + text_encoder = shard_fn(text_encoder) + + # Move text_encode and vae to gpu and cast to weight_dtype + vae.to(accelerator.device, dtype=weight_dtype) + transformer3d.to(accelerator.device, dtype=weight_dtype) + if not args.enable_text_encoder_in_dataloader: + text_encoder.to(accelerator.device) + + # We need to recalculate our total training steps as the size of the training dataloader may have changed. + num_update_steps_per_epoch = math.ceil(len(train_dataloader) / args.gradient_accumulation_steps) + if overrode_max_train_steps: + args.max_train_steps = args.num_train_epochs * num_update_steps_per_epoch + # Afterwards we recalculate our number of training epochs + args.num_train_epochs = math.ceil(args.max_train_steps / num_update_steps_per_epoch) + + # We need to initialize the trackers we use, and also store our configuration. + # The trackers initializes automatically on the main process. + if accelerator.is_main_process: + tracker_config = dict(vars(args)) + tracker_config.pop("validation_prompts") + tracker_config.pop("fix_sample_size") + accelerator.init_trackers(args.tracker_project_name, tracker_config) + + # Function for unwrapping if model was compiled with `torch.compile`. + def unwrap_model(model): + model = accelerator.unwrap_model(model) + model = model._orig_mod if is_compiled_module(model) else model + return model + + # Train! + total_batch_size = args.train_batch_size * accelerator.num_processes * args.gradient_accumulation_steps + + logger.info("***** Running training *****") + logger.info(f" Num examples = {len(train_dataset)}") + logger.info(f" Num Epochs = {args.num_train_epochs}") + logger.info(f" Instantaneous batch size per device = {args.train_batch_size}") + logger.info(f" Total train batch size (w. parallel, distributed & accumulation) = {total_batch_size}") + logger.info(f" Gradient Accumulation steps = {args.gradient_accumulation_steps}") + logger.info(f" Total optimization steps = {args.max_train_steps}") + global_step = 0 + first_epoch = 0 + + # Potentially load in the weights and states from a previous save + if args.resume_from_checkpoint: + if args.resume_from_checkpoint != "latest": + path = os.path.basename(args.resume_from_checkpoint) + else: + # Get the most recent checkpoint + dirs = os.listdir(args.output_dir) + dirs = [d for d in dirs if d.startswith("checkpoint")] + dirs = sorted(dirs, key=lambda x: int(x.split("-")[1])) + path = dirs[-1] if len(dirs) > 0 else None + + if path is None: + accelerator.print( + f"Checkpoint '{args.resume_from_checkpoint}' does not exist. Starting a new training run." + ) + args.resume_from_checkpoint = None + initial_global_step = 0 + else: + global_step = int(path.split("-")[1]) + + initial_global_step = global_step + + checkpoint_folder_path = os.path.join(args.output_dir, path) + pkl_path = os.path.join(checkpoint_folder_path, "sampler_pos_start.pkl") + if os.path.exists(pkl_path): + with open(pkl_path, 'rb') as file: + _, first_epoch = pickle.load(file) + else: + first_epoch = global_step // num_update_steps_per_epoch + print(f"Load pkl from {pkl_path}. Get first_epoch = {first_epoch}.") + + if zero_stage != 3 and not args.use_fsdp: + from safetensors.torch import load_file + state_dict = load_file(os.path.join(checkpoint_folder_path, "lora_diffusion_pytorch_model.safetensors"), device=str(accelerator.device)) + m, u = accelerator.unwrap_model(network).load_state_dict(state_dict, strict=False) + print(f"missing keys: {len(m)}, unexpected keys: {len(u)}") + + optimizer_file_pt = os.path.join(checkpoint_folder_path, "optimizer.pt") + optimizer_file_bin = os.path.join(checkpoint_folder_path, "optimizer.bin") + optimizer_file_to_load = None + + if os.path.exists(optimizer_file_pt): + optimizer_file_to_load = optimizer_file_pt + elif os.path.exists(optimizer_file_bin): + optimizer_file_to_load = optimizer_file_bin + + if optimizer_file_to_load: + try: + accelerator.print(f"Loading optimizer state from {optimizer_file_to_load}") + optimizer_state = torch.load(optimizer_file_to_load, map_location=accelerator.device) + optimizer.load_state_dict(optimizer_state) + accelerator.print("Optimizer state loaded successfully.") + except Exception as e: + accelerator.print(f"Failed to load optimizer state from {optimizer_file_to_load}: {e}") + + scheduler_file_pt = os.path.join(checkpoint_folder_path, "scheduler.pt") + scheduler_file_bin = os.path.join(checkpoint_folder_path, "scheduler.bin") + scheduler_file_to_load = None + + if os.path.exists(scheduler_file_pt): + scheduler_file_to_load = scheduler_file_pt + elif os.path.exists(scheduler_file_bin): + scheduler_file_to_load = scheduler_file_bin + + if scheduler_file_to_load: + try: + accelerator.print(f"Loading scheduler state from {scheduler_file_to_load}") + scheduler_state = torch.load(scheduler_file_to_load, map_location=accelerator.device) + lr_scheduler.load_state_dict(scheduler_state) + accelerator.print("Scheduler state loaded successfully.") + except Exception as e: + accelerator.print(f"Failed to load scheduler state from {scheduler_file_to_load}: {e}") + + if hasattr(accelerator, 'scaler') and accelerator.scaler is not None: + scaler_file = os.path.join(checkpoint_folder_path, "scaler.pt") + if os.path.exists(scaler_file): + try: + accelerator.print(f"Loading GradScaler state from {scaler_file}") + scaler_state = torch.load(scaler_file, map_location=accelerator.device) + accelerator.scaler.load_state_dict(scaler_state) + accelerator.print("GradScaler state loaded successfully.") + except Exception as e: + accelerator.print(f"Failed to load GradScaler state: {e}") + + else: + accelerator.load_state(checkpoint_folder_path) + accelerator.print("accelerator.load_state() completed for zero_stage 3.") + + else: + initial_global_step = 0 + + # function for saving/removing + def save_model(ckpt_file, unwrapped_nw): + os.makedirs(args.output_dir, exist_ok=True) + accelerator.print(f"\nsaving checkpoint: {ckpt_file}") + unwrapped_nw.save_weights(ckpt_file, weight_dtype, None) + + progress_bar = tqdm( + range(0, args.max_train_steps), + initial=initial_global_step, + desc="Steps", + # Only show the progress bar once on each machine. + disable=not accelerator.is_local_main_process, + ) + + if args.multi_stream and args.train_mode != "normal": + # create extra cuda streams to speedup inpaint vae computation + vae_stream_1 = torch.cuda.Stream() + else: + vae_stream_1 = None + + # Calculate the index we need + boundary = config['transformer_additional_kwargs'].get('boundary', 0.900) + split_timesteps = args.train_sampling_steps * boundary + differences = torch.abs(noise_scheduler.timesteps - split_timesteps) + closest_index = torch.argmin(differences).item() + print(f"The boundary is {boundary} and the boundary_type is {args.boundary_type}. The closest_index we calculate is {closest_index}") + if args.boundary_type == "high": + start_num_idx = 0 + train_sampling_steps = closest_index + elif args.boundary_type == "low": + start_num_idx = closest_index + train_sampling_steps = args.train_sampling_steps - closest_index + else: + start_num_idx = 0 + train_sampling_steps = args.train_sampling_steps + idx_sampling = DiscreteSampling(train_sampling_steps, start_num_idx=start_num_idx, uniform_sampling=args.uniform_sampling) + + for epoch in range(first_epoch, args.num_train_epochs): + train_loss = 0.0 + batch_sampler.sampler.generator = torch.Generator().manual_seed(args.seed + epoch) + for step, batch in enumerate(train_dataloader): + # Data batch sanity check + if epoch == first_epoch and step == 0: + pixel_values, texts = batch['pixel_values'].cpu(), batch['text'] + control_pixel_values = batch["control_pixel_values"].cpu() + pixel_values = rearrange(pixel_values, "b f c h w -> b c f h w") + control_pixel_values = rearrange(control_pixel_values, "b f c h w -> b c f h w") + os.makedirs(os.path.join(args.output_dir, "sanity_check"), exist_ok=True) + for idx, (pixel_value, control_pixel_value, text) in enumerate(zip(pixel_values, control_pixel_values, texts)): + pixel_value = pixel_value[None, ...] + control_pixel_value = control_pixel_value[None, ...] + gif_name = '-'.join(text.replace('/', '').split()[:10]) if not text == '' else f'{global_step}-{idx}' + save_videos_grid(pixel_value, f"{args.output_dir}/sanity_check/{gif_name[:10]}.gif", rescale=True) + save_videos_grid(control_pixel_value, f"{args.output_dir}/sanity_check/{gif_name[:10]}_control.gif", rescale=True) + + if args.train_mode != "control": + ref_pixel_values = batch["ref_pixel_values"].cpu() + ref_pixel_values = rearrange(ref_pixel_values, "b f c h w -> b c f h w") + for idx, (ref_pixel_value, text) in enumerate(zip(ref_pixel_values, texts)): + ref_pixel_value = ref_pixel_value[None, ...] + gif_name = '-'.join(text.replace('/', '').split()[:10]) if not text == '' else f'{global_step}-{idx}' + save_videos_grid(ref_pixel_value, f"{args.output_dir}/sanity_check/{gif_name[:10]}_ref.gif", rescale=True) + + if args.add_inpaint_info: + clip_pixel_values, mask_pixel_values, texts = batch['clip_pixel_values'].cpu(), batch['mask_pixel_values'].cpu(), batch['text'] + mask_pixel_values = rearrange(mask_pixel_values, "b f c h w -> b c f h w") + for idx, (clip_pixel_value, pixel_value, text) in enumerate(zip(clip_pixel_values, mask_pixel_values, texts)): + pixel_value = pixel_value[None, ...] + Image.fromarray(np.uint8(clip_pixel_value)).save(f"{args.output_dir}/sanity_check/clip_{gif_name[:10] if not text == '' else f'{global_step}-{idx}'}.png") + save_videos_grid(pixel_value, f"{args.output_dir}/sanity_check/mask_{gif_name[:10] if not text == '' else f'{global_step}-{idx}'}.gif", rescale=True) + + with accelerator.accumulate(transformer3d): + # Convert images to latent space + pixel_values = batch["pixel_values"].to(weight_dtype) + control_pixel_values = batch["control_pixel_values"].to(weight_dtype) + if args.train_mode == "control_camera_ref": + control_camera_values = batch["control_camera_values"].to(weight_dtype) + + # Increase the batch size when the length of the latent sequence of the current sample is small + if args.training_with_video_token_length and not zero_stage == 3: + if args.video_sample_n_frames * args.token_sample_size * args.token_sample_size // 16 >= pixel_values.size()[1] * pixel_values.size()[3] * pixel_values.size()[4]: + pixel_values = torch.tile(pixel_values, (4, 1, 1, 1, 1)) + control_pixel_values = torch.tile(control_pixel_values, (4, 1, 1, 1, 1)) + if args.train_mode == "control_camera_ref": + control_camera_values = torch.tile(control_camera_values, (4, 1, 1, 1, 1)) + if args.enable_text_encoder_in_dataloader: + batch['encoder_hidden_states'] = torch.tile(batch['encoder_hidden_states'], (4, 1, 1)) + batch['encoder_attention_mask'] = torch.tile(batch['encoder_attention_mask'], (4, 1)) + else: + batch['text'] = batch['text'] * 4 + elif args.video_sample_n_frames * args.token_sample_size * args.token_sample_size // 4 >= pixel_values.size()[1] * pixel_values.size()[3] * pixel_values.size()[4]: + pixel_values = torch.tile(pixel_values, (2, 1, 1, 1, 1)) + control_pixel_values = torch.tile(control_pixel_values, (2, 1, 1, 1, 1)) + if args.train_mode == "control_camera_ref": + control_camera_values = torch.tile(control_camera_values, (2, 1, 1, 1, 1)) + if args.enable_text_encoder_in_dataloader: + batch['encoder_hidden_states'] = torch.tile(batch['encoder_hidden_states'], (2, 1, 1)) + batch['encoder_attention_mask'] = torch.tile(batch['encoder_attention_mask'], (2, 1)) + else: + batch['text'] = batch['text'] * 2 + + if args.train_mode != "control": + ref_pixel_values = batch["ref_pixel_values"].to(weight_dtype) + clip_idx = batch["clip_idx"] + # Increase the batch size when the length of the latent sequence of the current sample is small + if args.training_with_video_token_length and not zero_stage == 3: + if args.video_sample_n_frames * args.token_sample_size * args.token_sample_size // 16 >= pixel_values.size()[1] * pixel_values.size()[3] * pixel_values.size()[4]: + ref_pixel_values = torch.tile(ref_pixel_values, (4, 1, 1, 1, 1)) + clip_idx = torch.tile(clip_idx, (4,)) + elif args.video_sample_n_frames * args.token_sample_size * args.token_sample_size // 4 >= pixel_values.size()[1] * pixel_values.size()[3] * pixel_values.size()[4]: + ref_pixel_values = torch.tile(ref_pixel_values, (2, 1, 1, 1, 1)) + clip_idx = torch.tile(clip_idx, (2,)) + + if args.add_inpaint_info: + mask_pixel_values = batch["mask_pixel_values"].to(weight_dtype) + mask = batch["mask"].to(weight_dtype) + # Increase the batch size when the length of the latent sequence of the current sample is small + if args.training_with_video_token_length and not zero_stage == 3: + if args.video_sample_n_frames * args.token_sample_size * args.token_sample_size // 16 >= pixel_values.size()[1] * pixel_values.size()[3] * pixel_values.size()[4]: + mask_pixel_values = torch.tile(mask_pixel_values, (4, 1, 1, 1, 1)) + mask = torch.tile(mask, (4, 1, 1, 1, 1)) + elif args.video_sample_n_frames * args.token_sample_size * args.token_sample_size // 4 >= pixel_values.size()[1] * pixel_values.size()[3] * pixel_values.size()[4]: + mask_pixel_values = torch.tile(mask_pixel_values, (2, 1, 1, 1, 1)) + mask = torch.tile(mask, (2, 1, 1, 1, 1)) + + if args.random_frame_crop: + def _create_special_list(length): + if length == 1: + return [1.0] + if length >= 2: + last_element = 0.90 + remaining_sum = 1.0 - last_element + other_elements_value = remaining_sum / (length - 1) + special_list = [other_elements_value] * (length - 1) + [last_element] + return special_list + select_frames = [_tmp for _tmp in list(range(sample_n_frames_bucket_interval + 1, args.video_sample_n_frames + sample_n_frames_bucket_interval, sample_n_frames_bucket_interval))] + select_frames_prob = np.array(_create_special_list(len(select_frames))) + + if len(select_frames) != 0: + if rng is None: + temp_n_frames = np.random.choice(select_frames, p = select_frames_prob) + else: + temp_n_frames = rng.choice(select_frames, p = select_frames_prob) + else: + temp_n_frames = 1 + + # Magvae needs the number of frames to be 4n + 1. + temp_n_frames = (temp_n_frames - 1) // sample_n_frames_bucket_interval + 1 + + pixel_values = pixel_values[:, :temp_n_frames, :, :] + control_pixel_values = control_pixel_values[:, :temp_n_frames, :, :] + + # Keep all node same token length to accelerate the traning when resolution grows. + if args.keep_all_node_same_token_length: + if args.token_sample_size > 256: + numbers_list = list(range(256, args.token_sample_size + 1, 128)) + + if numbers_list[-1] != args.token_sample_size: + numbers_list.append(args.token_sample_size) + else: + numbers_list = [256] + numbers_list = [_number * _number * args.video_sample_n_frames for _number in numbers_list] + + actual_token_length = index_rng.choice(numbers_list) + actual_video_length = (min( + actual_token_length / pixel_values.size()[-1] / pixel_values.size()[-2], args.video_sample_n_frames + ) - 1) // sample_n_frames_bucket_interval * sample_n_frames_bucket_interval + 1 + actual_video_length = int(max(actual_video_length, 1)) + + # Magvae needs the number of frames to be 4n + 1. + actual_video_length = (actual_video_length - 1) // sample_n_frames_bucket_interval + 1 + + pixel_values = pixel_values[:, :actual_video_length, :, :] + control_pixel_values = control_pixel_values[:, :actual_video_length, :, :] + + if args.low_vram: + torch.cuda.empty_cache() + vae.to(accelerator.device) + if not args.enable_text_encoder_in_dataloader: + text_encoder.to("cpu") + + with torch.no_grad(): + # This way is quicker when batch grows up + def _batch_encode_vae(pixel_values): + pixel_values = rearrange(pixel_values, "b f c h w -> b c f h w") + bs = args.vae_mini_batch + new_pixel_values = [] + for i in range(0, pixel_values.shape[0], bs): + pixel_values_bs = pixel_values[i : i + bs] + pixel_values_bs = vae.encode(pixel_values_bs)[0] + pixel_values_bs = pixel_values_bs.sample() + new_pixel_values.append(pixel_values_bs) + return torch.cat(new_pixel_values, dim = 0) + if vae_stream_1 is not None: + vae_stream_1.wait_stream(torch.cuda.current_stream()) + with torch.cuda.stream(vae_stream_1): + latents = _batch_encode_vae(pixel_values) + else: + latents = _batch_encode_vae(pixel_values) + + if args.train_mode != "control_camera_ref": + control_latents = _batch_encode_vae(control_pixel_values) + # Make control latents to zero + for bs_index in range(control_latents.size()[0]): + if rng is None: + zero_init_control_latents_conv_in = np.random.choice([0, 1], p = [0.90, 0.10]) + else: + zero_init_control_latents_conv_in = rng.choice([0, 1], p = [0.90, 0.10]) + + if zero_init_control_latents_conv_in: + control_latents[bs_index] = control_latents[bs_index] * 0 + control_camera_latents = None + else: + control_latents = None + control_camera_latents = rearrange(control_camera_values, "b f c h w -> b c f h w") + control_camera_latents = torch.concat( + [ + torch.repeat_interleave(control_camera_latents[:, :, 0:1], repeats=4, dim=2), + control_camera_latents[:, :, 1:] + ], dim=2 + ).transpose(1, 2).contiguous() + control_camera_latents = control_camera_latents.view(control_camera_latents.shape[0], control_camera_latents.shape[1] // 4, 4, control_camera_latents.shape[2], control_camera_latents.shape[3], control_camera_latents.shape[4]) + control_camera_latents = control_camera_latents.transpose(2, 3).contiguous() + control_camera_latents = control_camera_latents.view(control_camera_latents.shape[0], control_camera_latents.shape[1], control_camera_latents.shape[2] * 4, control_camera_latents.shape[4], control_camera_latents.shape[5]) + control_camera_latents = control_camera_latents.transpose(1, 2) + + if args.train_mode != "control": + ref_latents = _batch_encode_vae(ref_pixel_values) + if args.add_full_ref_image_in_self_attention: + full_ref = ref_latents[:, :, 0].clone() + + ref_latents_conv_in = torch.zeros_like(latents).to(ref_latents.device, ref_latents.dtype) + ref_latents_conv_in[:, :, :1] = ref_latents + for bs_index in range(ref_latents.size()[0]): + if rng is None: + zero_init_ref_latents_conv_in = np.random.choice([0, 1], p = [0.90, 0.10]) + else: + zero_init_ref_latents_conv_in = rng.choice([0, 1], p = [0.90, 0.10]) + + if clip_idx[bs_index] != 0 or (zero_init_ref_latents_conv_in and latents.size()[1] != 1): + ref_latents_conv_in[bs_index, :, :1] = ref_latents_conv_in[bs_index, :, :1] * 0 + + if args.add_full_ref_image_in_self_attention: + if rng is None: + zero_init_full_ref_conv_in = np.random.choice([0, 1], p = [0.90, 0.10]) + else: + zero_init_full_ref_conv_in = rng.choice([0, 1], p = [0.90, 0.10]) + if clip_idx[bs_index] == 0 or zero_init_full_ref_conv_in: + full_ref[bs_index] = full_ref[bs_index] * 0 + + if args.add_inpaint_info: + t2v_flag = [(_mask == 1).all() for _mask in mask] + new_t2v_flag = [] + for _mask in t2v_flag: + if _mask and np.random.rand() < 0.90: + new_t2v_flag.append(0) + else: + new_t2v_flag.append(1) + t2v_flag = torch.from_numpy(np.array(new_t2v_flag)).to(accelerator.device, dtype=weight_dtype) + + mask = rearrange(mask, "b f c h w -> b c f h w") + mask = torch.concat( + [ + torch.repeat_interleave(mask[:, :, 0:1], repeats=4, dim=2), + mask[:, :, 1:] + ], dim=2 + ) + mask = mask.view(mask.shape[0], mask.shape[2] // 4, 4, mask.shape[3], mask.shape[4]) + mask = mask.transpose(1, 2) + mask = resize_mask(1 - mask, latents) + + # Encode inpaint latents. + mask_latents = _batch_encode_vae(mask_pixel_values) + + inpaint_latents = torch.concat([mask, mask_latents], dim=1) + inpaint_latents = t2v_flag[:, None, None, None, None] * inpaint_latents + else: + inpaint_latents = None + + if control_latents is None: + if inpaint_latents is None: + control_latents = ref_latents_conv_in + else: + control_latents = inpaint_latents + else: + if inpaint_latents is None: + control_latents = torch.cat([control_latents, ref_latents_conv_in], dim = 1) + else: + control_latents = torch.cat([control_latents, inpaint_latents], dim = 1) + + # wait for latents = vae.encode(pixel_values) to complete + if vae_stream_1 is not None: + torch.cuda.current_stream().wait_stream(vae_stream_1) + + if args.low_vram: + vae.to('cpu') + torch.cuda.empty_cache() + if not args.enable_text_encoder_in_dataloader: + text_encoder.to(accelerator.device) + + if args.enable_text_encoder_in_dataloader: + prompt_embeds = batch['encoder_hidden_states'].to(device=latents.device) + else: + with torch.no_grad(): + prompt_ids = tokenizer( + batch['text'], + padding="max_length", + max_length=args.tokenizer_max_length, + truncation=True, + add_special_tokens=True, + return_tensors="pt" + ) + text_input_ids = prompt_ids.input_ids + prompt_attention_mask = prompt_ids.attention_mask + + seq_lens = prompt_attention_mask.gt(0).sum(dim=1).long() + prompt_embeds = text_encoder(text_input_ids.to(latents.device), attention_mask=prompt_attention_mask.to(latents.device))[0] + prompt_embeds = [u[:v] for u, v in zip(prompt_embeds, seq_lens)] + + if args.low_vram and not args.enable_text_encoder_in_dataloader: + text_encoder.to('cpu') + torch.cuda.empty_cache() + + bsz, channel, num_frames, height, width = latents.size() + noise = torch.randn(latents.size(), device=latents.device, generator=torch_rng, dtype=weight_dtype) + + if not args.uniform_sampling: + u = compute_density_for_timestep_sampling( + weighting_scheme=args.weighting_scheme, + batch_size=bsz, + logit_mean=args.logit_mean, + logit_std=args.logit_std, + mode_scale=args.mode_scale, + ) + indices = (u * noise_scheduler.config.num_train_timesteps).long() + else: + # Sample a random timestep for each image + # timesteps = generate_timestep_with_lognorm(0, args.train_sampling_steps, (bsz,), device=latents.device, generator=torch_rng) + # timesteps = torch.randint(0, args.train_sampling_steps, (bsz,), device=latents.device, generator=torch_rng) + indices = idx_sampling(bsz, generator=torch_rng, device=latents.device) + indices = indices.long().cpu() + timesteps = noise_scheduler.timesteps[indices].to(device=latents.device) + + def get_sigmas(timesteps, n_dim=4, dtype=torch.float32): + sigmas = noise_scheduler.sigmas.to(device=accelerator.device, dtype=dtype) + schedule_timesteps = noise_scheduler.timesteps.to(accelerator.device) + timesteps = timesteps.to(accelerator.device) + step_indices = [(schedule_timesteps == t).nonzero().item() for t in timesteps] + + sigma = sigmas[step_indices].flatten() + while len(sigma.shape) < n_dim: + sigma = sigma.unsqueeze(-1) + return sigma + + # Add noise according to flow matching. + # zt = (1 - texp) * x + texp * z1 + sigmas = get_sigmas(timesteps, n_dim=latents.ndim, dtype=latents.dtype) + noisy_latents = (1.0 - sigmas) * latents + sigmas * noise + + # Add noise + target = noise - latents + + target_shape = (vae.latent_channels, num_frames, width, height) + seq_len = math.ceil( + (target_shape[2] * target_shape[3]) / + (accelerator.unwrap_model(transformer3d).config.patch_size[1] * accelerator.unwrap_model(transformer3d).config.patch_size[2]) * + target_shape[1] + ) + + # Predict the noise residual + with torch.cuda.amp.autocast(dtype=weight_dtype), torch.cuda.device(device=accelerator.device): + noise_pred = transformer3d( + x=noisy_latents, + context=prompt_embeds, + t=timesteps, + seq_len=seq_len, + y=control_latents if args.train_mode != "control" else None, + y_camera=control_camera_latents if args.train_mode == "control_camera_ref" else None, + full_ref=full_ref if args.add_full_ref_image_in_self_attention else None, + ) + + def custom_mse_loss(noise_pred, target, weighting=None, threshold=50): + noise_pred = noise_pred.float() + target = target.float() + diff = noise_pred - target + mse_loss = F.mse_loss(noise_pred, target, reduction='none') + mask = (diff.abs() <= threshold).float() + masked_loss = mse_loss * mask + if weighting is not None: + masked_loss = masked_loss * weighting + final_loss = masked_loss.mean() + return final_loss + + weighting = compute_loss_weighting_for_sd3(weighting_scheme=args.weighting_scheme, sigmas=sigmas) + loss = custom_mse_loss(noise_pred.float(), target.float(), weighting.float()) + loss = loss.mean() + + if args.motion_sub_loss and noise_pred.size()[1] > 2: + gt_sub_noise = noise_pred[:, 1:, :].float() - noise_pred[:, :-1, :].float() + pre_sub_noise = target[:, 1:, :].float() - target[:, :-1, :].float() + sub_loss = F.mse_loss(gt_sub_noise, pre_sub_noise, reduction="mean") + loss = loss * (1 - args.motion_sub_loss_ratio) + sub_loss * args.motion_sub_loss_ratio + + # Gather the losses across all processes for logging (if we use distributed training). + avg_loss = accelerator.gather(loss.repeat(args.train_batch_size)).mean() + train_loss += avg_loss.item() / args.gradient_accumulation_steps + + # Backpropagate + accelerator.backward(loss) + if accelerator.sync_gradients: + accelerator.clip_grad_norm_(trainable_params, args.max_grad_norm) + optimizer.step() + lr_scheduler.step() + optimizer.zero_grad() + + # Checks if the accelerator has performed an optimization step behind the scenes + if accelerator.sync_gradients: + progress_bar.update(1) + global_step += 1 + accelerator.log({"train_loss": train_loss}, step=global_step) + train_loss = 0.0 + + if global_step % args.checkpointing_steps == 0: + if args.use_deepspeed or args.use_fsdp or accelerator.is_main_process: + # _before_ saving state, check if this save would set us over the `checkpoints_total_limit` + if args.checkpoints_total_limit is not None: + checkpoints = os.listdir(args.output_dir) + checkpoints = [d for d in checkpoints if d.startswith("checkpoint")] + checkpoints = sorted(checkpoints, key=lambda x: int(x.split("-")[1])) + + # before we save the new checkpoint, we need to have at _most_ `checkpoints_total_limit - 1` checkpoints + if len(checkpoints) >= args.checkpoints_total_limit: + num_to_remove = len(checkpoints) - args.checkpoints_total_limit + 1 + removing_checkpoints = checkpoints[0:num_to_remove] + + logger.info( + f"{len(checkpoints)} checkpoints already exist, removing {len(removing_checkpoints)} checkpoints" + ) + logger.info(f"removing checkpoints: {', '.join(removing_checkpoints)}") + + for removing_checkpoint in removing_checkpoints: + removing_checkpoint = os.path.join(args.output_dir, removing_checkpoint) + shutil.rmtree(removing_checkpoint) + if not args.save_state: + safetensor_save_path = os.path.join(args.output_dir, f"checkpoint-{global_step}.safetensors") + save_model(safetensor_save_path, accelerator.unwrap_model(network)) + logger.info(f"Saved safetensor to {safetensor_save_path}") + else: + accelerator_save_path = os.path.join(args.output_dir, f"checkpoint-{global_step}") + accelerator.save_state(accelerator_save_path) + logger.info(f"Saved state to {accelerator_save_path}") + + if accelerator.is_main_process: + if args.validation_prompts is not None and global_step % args.validation_steps == 0: + log_validation( + vae, + text_encoder, + tokenizer, + transformer3d, + network, + config, + args, + accelerator, + weight_dtype, + global_step, + ) + + logs = {"step_loss": loss.detach().item(), "lr": lr_scheduler.get_last_lr()[0]} + progress_bar.set_postfix(**logs) + + if global_step >= args.max_train_steps: + break + + if accelerator.is_main_process: + if args.validation_prompts is not None and epoch % args.validation_epochs == 0: + log_validation( + vae, + text_encoder, + tokenizer, + transformer3d, + network, + config, + args, + accelerator, + weight_dtype, + global_step, + ) + + # Create the pipeline using the trained modules and save it. + accelerator.wait_for_everyone() + if args.use_deepspeed or args.use_fsdp or accelerator.is_main_process: + if not args.save_state: + safetensor_save_path = os.path.join(args.output_dir, f"checkpoint-{global_step}.safetensors") + save_model(safetensor_save_path, accelerator.unwrap_model(network)) + else: + accelerator_save_path = os.path.join(args.output_dir, f"checkpoint-{global_step}") + accelerator.save_state(accelerator_save_path) + logger.info(f"Saved state to {accelerator_save_path}") + + accelerator.end_training() + +if __name__ == "__main__": + main() diff --git a/scripts/wan2.2_fun/train_control_lora.sh b/scripts/wan2.2_fun/train_control_lora.sh new file mode 100644 index 0000000..507216b --- /dev/null +++ b/scripts/wan2.2_fun/train_control_lora.sh @@ -0,0 +1,44 @@ +export MODEL_NAME="models/Diffusion_Transformer/Wan2.2-Fun-A14B-Control" +export DATASET_NAME="datasets/internal_datasets/" +export DATASET_META_NAME="datasets/internal_datasets/metadata.json" +# NCCL_IB_DISABLE=1 and NCCL_P2P_DISABLE=1 are used in multi nodes without RDMA. +# export NCCL_IB_DISABLE=1 +# export NCCL_P2P_DISABLE=1 +NCCL_DEBUG=INFO + +accelerate launch --mixed_precision="bf16" scripts/wan2.2_fun/train_control_lora.py \ + --config_path="config/wan2.2/wan_civitai_i2v.yaml" \ + --pretrained_model_name_or_path=$MODEL_NAME \ + --train_data_dir=$DATASET_NAME \ + --train_data_meta=$DATASET_META_NAME \ + --image_sample_size=1024 \ + --video_sample_size=256 \ + --token_sample_size=512 \ + --video_sample_stride=2 \ + --video_sample_n_frames=81 \ + --train_batch_size=1 \ + --video_repeat=1 \ + --gradient_accumulation_steps=1 \ + --dataloader_num_workers=8 \ + --num_train_epochs=100 \ + --checkpointing_steps=50 \ + --learning_rate=1e-04 \ + --seed=42 \ + --output_dir="output_dir" \ + --gradient_checkpointing \ + --mixed_precision="bf16" \ + --adam_weight_decay=3e-2 \ + --adam_epsilon=1e-10 \ + --vae_mini_batch=1 \ + --max_grad_norm=0.05 \ + --random_hw_adapt \ + --training_with_video_token_length \ + --enable_bucket \ + --uniform_sampling \ + --train_mode="control_ref" \ + --control_ref_image="random" \ + --add_inpaint_info \ + --add_full_ref_image_in_self_attention \ + --boundary_type="low" \ + --lora_skip_name="ffn" \ + --low_vram \ No newline at end of file diff --git a/scripts/wan2.2_fun/train_lora.py b/scripts/wan2.2_fun/train_lora.py new file mode 100644 index 0000000..c53e0f2 --- /dev/null +++ b/scripts/wan2.2_fun/train_lora.py @@ -0,0 +1,1879 @@ +"""Modified from https://github.com/huggingface/diffusers/blob/main/examples/text_to_image/train_text_to_image.py +""" +#!/usr/bin/env python +# coding=utf-8 +# Copyright 2024 The HuggingFace Inc. team. All rights reserved. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and + +import argparse +import gc +import logging +import math +import os +import pickle +import random +import shutil +import sys + +import accelerate +import diffusers +import numpy as np +import torch +import torch.nn.functional as F +import torch.utils.checkpoint +import torchvision.transforms.functional as TF +import transformers +from accelerate import Accelerator +from accelerate.logging import get_logger +from accelerate.state import AcceleratorState +from accelerate.utils import ProjectConfiguration, set_seed +from diffusers import DDIMScheduler, FlowMatchEulerDiscreteScheduler +from diffusers.optimization import get_scheduler +from diffusers.training_utils import (EMAModel, + compute_density_for_timestep_sampling, + compute_loss_weighting_for_sd3) +from diffusers.utils import check_min_version, deprecate, is_wandb_available +from diffusers.utils.torch_utils import is_compiled_module +from einops import rearrange +from omegaconf import OmegaConf +from packaging import version +from PIL import Image +from torch.utils.data import RandomSampler +from torch.utils.tensorboard import SummaryWriter +from torchvision import transforms +from tqdm.auto import tqdm +from transformers import AutoTokenizer +from transformers.utils import ContextManagers + +import datasets + +current_file_path = os.path.abspath(__file__) +project_roots = [os.path.dirname(current_file_path), os.path.dirname(os.path.dirname(current_file_path)), os.path.dirname(os.path.dirname(os.path.dirname(current_file_path)))] +for project_root in project_roots: + sys.path.insert(0, project_root) if project_root not in sys.path else None +from videox_fun.data.bucket_sampler import (ASPECT_RATIO_512, + ASPECT_RATIO_RANDOM_CROP_512, + ASPECT_RATIO_RANDOM_CROP_PROB, + AspectRatioBatchImageVideoSampler, + RandomSampler, get_closest_ratio) +from videox_fun.data.dataset_image_video import (ImageVideoDataset, + ImageVideoSampler, + get_random_mask) +from videox_fun.models import (AutoencoderKLWan, WanT5EncoderModel, + Wan2_2Transformer3DModel) +from videox_fun.pipeline import WanFunInpaintPipeline, WanFunPipeline +from videox_fun.utils.discrete_sampler import DiscreteSampling +from videox_fun.utils.lora_utils import (create_network, merge_lora, + unmerge_lora) +from videox_fun.utils.utils import get_image_to_video_latent, save_videos_grid + +if is_wandb_available(): + import wandb + + +def filter_kwargs(cls, kwargs): + import inspect + sig = inspect.signature(cls.__init__) + valid_params = set(sig.parameters.keys()) - {'self', 'cls'} + filtered_kwargs = {k: v for k, v in kwargs.items() if k in valid_params} + return filtered_kwargs + +def resize_mask(mask, latent, process_first_frame_only=True): + latent_size = latent.size() + batch_size, channels, num_frames, height, width = mask.shape + + if process_first_frame_only: + target_size = list(latent_size[2:]) + target_size[0] = 1 + first_frame_resized = F.interpolate( + mask[:, :, 0:1, :, :], + size=target_size, + mode='trilinear', + align_corners=False + ) + + target_size = list(latent_size[2:]) + target_size[0] = target_size[0] - 1 + if target_size[0] != 0: + remaining_frames_resized = F.interpolate( + mask[:, :, 1:, :, :], + size=target_size, + mode='trilinear', + align_corners=False + ) + resized_mask = torch.cat([first_frame_resized, remaining_frames_resized], dim=2) + else: + resized_mask = first_frame_resized + else: + target_size = list(latent_size[2:]) + resized_mask = F.interpolate( + mask, + size=target_size, + mode='trilinear', + align_corners=False + ) + return resized_mask + +def linear_decay(initial_value, final_value, total_steps, current_step): + if current_step >= total_steps: + return final_value + current_step = max(0, current_step) + step_size = (final_value - initial_value) / total_steps + current_value = initial_value + step_size * current_step + return current_value + +def generate_timestep_with_lognorm(low, high, shape, device="cpu", generator=None): + u = torch.normal(mean=0.0, std=1.0, size=shape, device=device, generator=generator) + t = 1 / (1 + torch.exp(-u)) * (high - low) + low + return torch.clip(t.to(torch.int32), low, high - 1) + +# Will error if the minimal version of diffusers is not installed. Remove at your own risks. +check_min_version("0.18.0.dev0") + +logger = get_logger(__name__, log_level="INFO") + +def log_validation(vae, text_encoder, tokenizer, transformer3d, network, config, args, accelerator, weight_dtype, global_step): + try: + logger.info("Running validation... ") + + transformer3d_val = Wan2_2Transformer3DModel.from_pretrained( + os.path.join(args.pretrained_model_name_or_path, config['transformer_additional_kwargs'].get('transformer_subpath', 'transformer')), + transformer_additional_kwargs=OmegaConf.to_container(config['transformer_additional_kwargs']), + ).to(weight_dtype) + transformer3d_val.load_state_dict(accelerator.unwrap_model(transformer3d).state_dict()) + scheduler = FlowMatchEulerDiscreteScheduler( + **filter_kwargs(FlowMatchEulerDiscreteScheduler, OmegaConf.to_container(config['scheduler_kwargs'])) + ) + + if args.train_mode != "normal": + pipeline = WanFunInpaintPipeline( + vae=accelerator.unwrap_model(vae).to(weight_dtype), + text_encoder=accelerator.unwrap_model(text_encoder), + tokenizer=tokenizer, + transformer=transformer3d_val, + scheduler=scheduler, + ) + else: + pipeline = WanFunPipeline( + vae=accelerator.unwrap_model(vae).to(weight_dtype), + text_encoder=accelerator.unwrap_model(text_encoder), + tokenizer=tokenizer, + transformer=transformer3d_val, + scheduler=scheduler, + ) + pipeline = pipeline.to(accelerator.device) + + pipeline = merge_lora( + pipeline, None, 1, accelerator.device, state_dict=accelerator.unwrap_model(network).state_dict(), transformer_only=True + ) + + if args.seed is None: + generator = None + else: + generator = torch.Generator(device=accelerator.device).manual_seed(args.seed) + + for i in range(len(args.validation_prompts)): + with torch.no_grad(): + if args.train_mode != "normal": + with torch.autocast("cuda", dtype=weight_dtype): + video_length = int((args.video_sample_n_frames - 1) // vae.config.temporal_compression_ratio * vae.config.temporal_compression_ratio) + 1 if args.video_sample_n_frames != 1 else 1 + input_video, input_video_mask, _ = get_image_to_video_latent(None, None, video_length=video_length, sample_size=[args.video_sample_size, args.video_sample_size]) + sample = pipeline( + args.validation_prompts[i], + num_frames = video_length, + negative_prompt = "bad detailed", + height = args.video_sample_size, + width = args.video_sample_size, + guidance_scale = 6.0, + generator = generator, + + video = input_video, + mask_video = input_video_mask, + ).videos + os.makedirs(os.path.join(args.output_dir, "sample"), exist_ok=True) + save_videos_grid(sample, os.path.join(args.output_dir, f"sample/sample-{global_step}-{i}.gif")) + + video_length = 1 + input_video, input_video_mask, _ = get_image_to_video_latent(None, None, video_length=video_length, sample_size=[args.video_sample_size, args.video_sample_size]) + sample = pipeline( + args.validation_prompts[i], + num_frames = video_length, + negative_prompt = "bad detailed", + height = args.video_sample_size, + width = args.video_sample_size, + guidance_scale = 6.0, + generator = generator, + + video = input_video, + mask_video = input_video_mask, + ).videos + os.makedirs(os.path.join(args.output_dir, "sample"), exist_ok=True) + save_videos_grid(sample, os.path.join(args.output_dir, f"sample/sample-{global_step}-image-{i}.gif")) + else: + with torch.autocast("cuda", dtype=weight_dtype): + sample = pipeline( + args.validation_prompts[i], + num_frames = args.video_sample_n_frames, + negative_prompt = "bad detailed", + height = args.video_sample_size, + width = args.video_sample_size, + generator = generator + ).videos + os.makedirs(os.path.join(args.output_dir, "sample"), exist_ok=True) + save_videos_grid(sample, os.path.join(args.output_dir, f"sample/sample-{global_step}-{i}.gif")) + + sample = pipeline( + args.validation_prompts[i], + num_frames = 1, + negative_prompt = "bad detailed", + height = args.video_sample_size, + width = args.video_sample_size, + generator = generator + ).videos + os.makedirs(os.path.join(args.output_dir, "sample"), exist_ok=True) + save_videos_grid(sample, os.path.join(args.output_dir, f"sample/sample-{global_step}-image-{i}.gif")) + + del pipeline + del transformer3d_val + gc.collect() + torch.cuda.empty_cache() + torch.cuda.ipc_collect() + except Exception as e: + gc.collect() + torch.cuda.empty_cache() + torch.cuda.ipc_collect() + print(f"Eval error with info {e}") + return None + +def parse_args(): + parser = argparse.ArgumentParser(description="Simple example of a training script.") + parser.add_argument( + "--input_perturbation", type=float, default=0, help="The scale of input perturbation. Recommended 0.1." + ) + parser.add_argument( + "--pretrained_model_name_or_path", + type=str, + default=None, + required=True, + help="Path to pretrained model or model identifier from huggingface.co/models.", + ) + parser.add_argument( + "--revision", + type=str, + default=None, + required=False, + help="Revision of pretrained model identifier from huggingface.co/models.", + ) + parser.add_argument( + "--variant", + type=str, + default=None, + help="Variant of the model files of the pretrained model identifier from huggingface.co/models, 'e.g.' fp16", + ) + parser.add_argument( + "--train_data_dir", + type=str, + default=None, + help=( + "A folder containing the training data. " + ), + ) + parser.add_argument( + "--train_data_meta", + type=str, + default=None, + help=( + "A csv containing the training data. " + ), + ) + parser.add_argument( + "--max_train_samples", + type=int, + default=None, + help=( + "For debugging purposes or quicker training, truncate the number of training examples to this " + "value if set." + ), + ) + parser.add_argument( + "--validation_prompts", + type=str, + default=None, + nargs="+", + help=("A set of prompts evaluated every `--validation_epochs` and logged to `--report_to`."), + ) + parser.add_argument( + "--output_dir", + type=str, + default="sd-model-finetuned", + help="The output directory where the model predictions and checkpoints will be written.", + ) + parser.add_argument( + "--cache_dir", + type=str, + default=None, + help="The directory where the downloaded models and datasets will be stored.", + ) + parser.add_argument("--seed", type=int, default=None, help="A seed for reproducible training.") + parser.add_argument( + "--random_flip", + action="store_true", + help="whether to randomly flip images horizontally", + ) + parser.add_argument( + "--use_came", + action="store_true", + help="whether to use came", + ) + parser.add_argument( + "--multi_stream", + action="store_true", + help="whether to use cuda multi-stream", + ) + parser.add_argument( + "--train_batch_size", type=int, default=16, help="Batch size (per device) for the training dataloader." + ) + parser.add_argument( + "--vae_mini_batch", type=int, default=32, help="mini batch size for vae." + ) + parser.add_argument("--num_train_epochs", type=int, default=100) + parser.add_argument( + "--max_train_steps", + type=int, + default=None, + help="Total number of training steps to perform. If provided, overrides num_train_epochs.", + ) + parser.add_argument( + "--gradient_accumulation_steps", + type=int, + default=1, + help="Number of updates steps to accumulate before performing a backward/update pass.", + ) + parser.add_argument( + "--gradient_checkpointing", + action="store_true", + help="Whether or not to use gradient checkpointing to save memory at the expense of slower backward pass.", + ) + parser.add_argument( + "--learning_rate", + type=float, + default=1e-4, + help="Initial learning rate (after the potential warmup period) to use.", + ) + parser.add_argument( + "--scale_lr", + action="store_true", + default=False, + help="Scale the learning rate by the number of GPUs, gradient accumulation steps, and batch size.", + ) + parser.add_argument( + "--lr_scheduler", + type=str, + default="constant", + help=( + 'The scheduler type to use. Choose between ["linear", "cosine", "cosine_with_restarts", "polynomial",' + ' "constant", "constant_with_warmup"]' + ), + ) + parser.add_argument( + "--lr_warmup_steps", type=int, default=500, help="Number of steps for the warmup in the lr scheduler." + ) + parser.add_argument( + "--use_8bit_adam", action="store_true", help="Whether or not to use 8-bit Adam from bitsandbytes." + ) + parser.add_argument( + "--allow_tf32", + action="store_true", + help=( + "Whether or not to allow TF32 on Ampere GPUs. Can be used to speed up training. For more information, see" + " https://pytorch.org/docs/stable/notes/cuda.html#tensorfloat-32-tf32-on-ampere-devices" + ), + ) + parser.add_argument("--use_ema", action="store_true", help="Whether to use EMA model.") + parser.add_argument( + "--non_ema_revision", + type=str, + default=None, + required=False, + help=( + "Revision of pretrained non-ema model identifier. Must be a branch, tag or git identifier of the local or" + " remote repository specified with --pretrained_model_name_or_path." + ), + ) + parser.add_argument( + "--dataloader_num_workers", + type=int, + default=0, + help=( + "Number of subprocesses to use for data loading. 0 means that the data will be loaded in the main process." + ), + ) + parser.add_argument("--adam_beta1", type=float, default=0.9, help="The beta1 parameter for the Adam optimizer.") + parser.add_argument("--adam_beta2", type=float, default=0.999, help="The beta2 parameter for the Adam optimizer.") + parser.add_argument("--adam_weight_decay", type=float, default=1e-2, help="Weight decay to use.") + parser.add_argument("--adam_epsilon", type=float, default=1e-08, help="Epsilon value for the Adam optimizer") + parser.add_argument("--max_grad_norm", default=1.0, type=float, help="Max gradient norm.") + parser.add_argument("--push_to_hub", action="store_true", help="Whether or not to push the model to the Hub.") + parser.add_argument("--hub_token", type=str, default=None, help="The token to use to push to the Model Hub.") + parser.add_argument( + "--prediction_type", + type=str, + default=None, + help="The prediction_type that shall be used for training. Choose between 'epsilon' or 'v_prediction' or leave `None`. If left to `None` the default prediction type of the scheduler: `noise_scheduler.config.prediciton_type` is chosen.", + ) + parser.add_argument( + "--hub_model_id", + type=str, + default=None, + help="The name of the repository to keep in sync with the local `output_dir`.", + ) + parser.add_argument( + "--logging_dir", + type=str, + default="logs", + help=( + "[TensorBoard](https://www.tensorflow.org/tensorboard) log directory. Will default to" + " *output_dir/runs/**CURRENT_DATETIME_HOSTNAME***." + ), + ) + parser.add_argument( + "--mixed_precision", + type=str, + default=None, + choices=["no", "fp16", "bf16"], + help=( + "Whether to use mixed precision. Choose between fp16 and bf16 (bfloat16). Bf16 requires PyTorch >=" + " 1.10.and an Nvidia Ampere GPU. Default to the value of accelerate config of the current system or the" + " flag passed with the `accelerate.launch` command. Use this argument to override the accelerate config." + ), + ) + parser.add_argument( + "--report_to", + type=str, + default="tensorboard", + help=( + 'The integration to report the results and logs to. Supported platforms are `"tensorboard"`' + ' (default), `"wandb"` and `"comet_ml"`. Use `"all"` to report to all integrations.' + ), + ) + parser.add_argument("--local_rank", type=int, default=-1, help="For distributed training: local_rank") + parser.add_argument( + "--checkpointing_steps", + type=int, + default=500, + help=( + "Save a checkpoint of the training state every X updates. These checkpoints are only suitable for resuming" + " training using `--resume_from_checkpoint`." + ), + ) + parser.add_argument( + "--checkpoints_total_limit", + type=int, + default=None, + help=("Max number of checkpoints to store."), + ) + parser.add_argument( + "--resume_from_checkpoint", + type=str, + default=None, + help=( + "Whether training should be resumed from a previous checkpoint. Use a path saved by" + ' `--checkpointing_steps`, or `"latest"` to automatically select the last available checkpoint.' + ), + ) + parser.add_argument("--noise_offset", type=float, default=0, help="The scale of noise offset.") + parser.add_argument( + "--validation_epochs", + type=int, + default=5, + help="Run validation every X epochs.", + ) + parser.add_argument( + "--validation_steps", + type=int, + default=2000, + help="Run validation every X steps.", + ) + parser.add_argument( + "--tracker_project_name", + type=str, + default="text2image-fine-tune", + help=( + "The `project_name` argument passed to Accelerator.init_trackers for" + " more information see https://huggingface.co/docs/accelerate/v0.17.0/en/package_reference/accelerator#accelerate.Accelerator" + ), + ) + + parser.add_argument( + "--rank", + type=int, + default=128, + help=("The dimension of the LoRA update matrices."), + ) + parser.add_argument( + "--network_alpha", + type=int, + default=64, + help=("The dimension of the LoRA update matrices."), + ) + parser.add_argument( + "--train_text_encoder", + action="store_true", + help="Whether to train the text encoder. If set, the text encoder should be float32 precision.", + ) + parser.add_argument( + "--snr_loss", action="store_true", help="Whether or not to use snr_loss." + ) + parser.add_argument( + "--uniform_sampling", action="store_true", help="Whether or not to use uniform_sampling." + ) + parser.add_argument( + "--enable_text_encoder_in_dataloader", action="store_true", help="Whether or not to use text encoder in dataloader." + ) + parser.add_argument( + "--enable_bucket", action="store_true", help="Whether enable bucket sample in datasets." + ) + parser.add_argument( + "--random_ratio_crop", action="store_true", help="Whether enable random ratio crop sample in datasets." + ) + parser.add_argument( + "--random_frame_crop", action="store_true", help="Whether enable random frame crop sample in datasets." + ) + parser.add_argument( + "--random_hw_adapt", action="store_true", help="Whether enable random adapt height and width in datasets." + ) + parser.add_argument( + "--training_with_video_token_length", action="store_true", help="The training stage of the model in training.", + ) + parser.add_argument( + "--motion_sub_loss", action="store_true", help="Whether enable motion sub loss." + ) + parser.add_argument( + "--motion_sub_loss_ratio", type=float, default=0.25, help="The ratio of motion sub loss." + ) + parser.add_argument( + "--train_sampling_steps", + type=int, + default=1000, + help="Run train_sampling_steps.", + ) + parser.add_argument( + "--keep_all_node_same_token_length", + action="store_true", + help="Reference of the length token.", + ) + parser.add_argument( + "--token_sample_size", + type=int, + default=512, + help="Sample size of the token.", + ) + parser.add_argument( + "--video_sample_size", + type=int, + default=512, + help="Sample size of the video.", + ) + parser.add_argument( + "--image_sample_size", + type=int, + default=512, + help="Sample size of the image.", + ) + parser.add_argument( + "--fix_sample_size", + nargs=2, type=int, default=None, + help="Fix Sample size [height, width] when using bucket and collate_fn." + ) + parser.add_argument( + "--video_sample_stride", + type=int, + default=4, + help="Sample stride of the video.", + ) + parser.add_argument( + "--video_sample_n_frames", + type=int, + default=17, + help="Num frame of video.", + ) + parser.add_argument( + "--video_repeat", + type=int, + default=0, + help="Num of repeat video.", + ) + parser.add_argument( + "--config_path", + type=str, + default=None, + help=( + "The config of the model in training." + ), + ) + parser.add_argument( + "--transformer_path", + type=str, + default=None, + help=("If you want to load the weight from other transformers, input its path."), + ) + parser.add_argument( + "--vae_path", + type=str, + default=None, + help=("If you want to load the weight from other vaes, input its path."), + ) + parser.add_argument("--save_state", action="store_true", help="Whether or not to save state.") + + parser.add_argument( + '--tokenizer_max_length', + type=int, + default=512, + help='Max length of tokenizer' + ) + parser.add_argument( + "--use_deepspeed", action="store_true", help="Whether or not to use deepspeed." + ) + parser.add_argument( + "--use_fsdp", action="store_true", help="Whether or not to use fsdp." + ) + parser.add_argument( + "--low_vram", action="store_true", help="Whether enable low_vram mode." + ) + parser.add_argument( + "--boundary_type", + type=str, + default="low", + help=( + 'The format of training data. Support `"low"` and `"high"`' + ), + ) + parser.add_argument( + "--train_mode", + type=str, + default="normal", + help=( + 'The format of training data. Support `"normal"`' + ' (default), `"inpaint"`.' + ), + ) + parser.add_argument( + "--weighting_scheme", + type=str, + default="none", + choices=["sigma_sqrt", "logit_normal", "mode", "cosmap", "none"], + help=('We default to the "none" weighting scheme for uniform sampling and uniform loss'), + ) + parser.add_argument( + "--logit_mean", type=float, default=0.0, help="mean to use when using the `'logit_normal'` weighting scheme." + ) + parser.add_argument( + "--logit_std", type=float, default=1.0, help="std to use when using the `'logit_normal'` weighting scheme." + ) + parser.add_argument( + "--mode_scale", + type=float, + default=1.29, + help="Scale of mode weighting scheme. Only effective when using the `'mode'` as the `weighting_scheme`.", + ) + parser.add_argument( + "--lora_skip_name", + type=str, + default=None, + help=("The module is not trained in loras. "), + ) + + args = parser.parse_args() + env_local_rank = int(os.environ.get("LOCAL_RANK", -1)) + if env_local_rank != -1 and env_local_rank != args.local_rank: + args.local_rank = env_local_rank + + # default to using the same revision for the non-ema model if not specified + if args.non_ema_revision is None: + args.non_ema_revision = args.revision + + return args + + +def main(): + args = parse_args() + + if args.report_to == "wandb" and args.hub_token is not None: + raise ValueError( + "You cannot use both --report_to=wandb and --hub_token due to a security risk of exposing your token." + " Please use `huggingface-cli login` to authenticate with the Hub." + ) + + if args.non_ema_revision is not None: + deprecate( + "non_ema_revision!=None", + "0.15.0", + message=( + "Downloading 'non_ema' weights from revision branches of the Hub is deprecated. Please make sure to" + " use `--variant=non_ema` instead." + ), + ) + logging_dir = os.path.join(args.output_dir, args.logging_dir) + + config = OmegaConf.load(args.config_path) + accelerator_project_config = ProjectConfiguration(project_dir=args.output_dir, logging_dir=logging_dir) + + accelerator = Accelerator( + gradient_accumulation_steps=args.gradient_accumulation_steps, + mixed_precision=args.mixed_precision, + log_with=args.report_to, + project_config=accelerator_project_config, + ) + + deepspeed_plugin = accelerator.state.deepspeed_plugin if hasattr(accelerator.state, "deepspeed_plugin") else None + fsdp_plugin = accelerator.state.fsdp_plugin if hasattr(accelerator.state, "fsdp_plugin") else None + if deepspeed_plugin is not None: + zero_stage = int(deepspeed_plugin.zero_stage) + fsdp_stage = 0 + print(f"Using DeepSpeed Zero stage: {zero_stage}") + + args.use_deepspeed = True + if zero_stage == 3: + print(f"Auto set save_state to True because zero_stage == 3") + args.save_state = True + elif fsdp_plugin is not None: + from torch.distributed.fsdp import ShardingStrategy + zero_stage = 0 + if fsdp_plugin.sharding_strategy is ShardingStrategy.FULL_SHARD: + fsdp_stage = 3 + elif fsdp_plugin.sharding_strategy is None: # The fsdp_plugin.sharding_strategy is None in FSDP 2. + fsdp_stage = 3 + elif fsdp_plugin.sharding_strategy is ShardingStrategy.SHARD_GRAD_OP: + fsdp_stage = 2 + else: + fsdp_stage = 0 + print(f"Using FSDP stage: {fsdp_stage}") + + args.use_fsdp = True + if fsdp_stage == 3: + print(f"Auto set save_state to True because fsdp_stage == 3") + args.save_state = True + else: + zero_stage = 0 + fsdp_stage = 0 + print("DeepSpeed is not enabled.") + + if accelerator.is_main_process: + writer = SummaryWriter(log_dir=logging_dir) + + # Make one log on every process with the configuration for debugging. + logging.basicConfig( + format="%(asctime)s - %(levelname)s - %(name)s - %(message)s", + datefmt="%m/%d/%Y %H:%M:%S", + level=logging.INFO, + ) + logger.info(accelerator.state, main_process_only=False) + if accelerator.is_local_main_process: + datasets.utils.logging.set_verbosity_warning() + transformers.utils.logging.set_verbosity_warning() + diffusers.utils.logging.set_verbosity_info() + else: + datasets.utils.logging.set_verbosity_error() + transformers.utils.logging.set_verbosity_error() + diffusers.utils.logging.set_verbosity_error() + + # If passed along, set the training seed now. + if args.seed is not None: + set_seed(args.seed) + rng = np.random.default_rng(np.random.PCG64(args.seed + accelerator.process_index)) + torch_rng = torch.Generator(accelerator.device).manual_seed(args.seed + accelerator.process_index) + else: + rng = None + torch_rng = None + index_rng = np.random.default_rng(np.random.PCG64(43)) + print(f"Init rng with seed {args.seed + accelerator.process_index}. Process_index is {accelerator.process_index}") + + # Handle the repository creation + if accelerator.is_main_process: + if args.output_dir is not None: + os.makedirs(args.output_dir, exist_ok=True) + + # For mixed precision training we cast all non-trainable weigths (vae, non-lora text_encoder and non-lora transformer3d) to half-precision + # as these weights are only used for inference, keeping weights in full precision is not required. + weight_dtype = torch.float32 + if accelerator.mixed_precision == "fp16": + weight_dtype = torch.float16 + args.mixed_precision = accelerator.mixed_precision + elif accelerator.mixed_precision == "bf16": + weight_dtype = torch.bfloat16 + args.mixed_precision = accelerator.mixed_precision + + # Load scheduler, tokenizer and models. + noise_scheduler = FlowMatchEulerDiscreteScheduler( + **filter_kwargs(FlowMatchEulerDiscreteScheduler, OmegaConf.to_container(config['scheduler_kwargs'])) + ) + + # Get Tokenizer + tokenizer = AutoTokenizer.from_pretrained( + os.path.join(args.pretrained_model_name_or_path, config['text_encoder_kwargs'].get('tokenizer_subpath', 'tokenizer')), + ) + + def deepspeed_zero_init_disabled_context_manager(): + """ + returns either a context list that includes one that will disable zero.Init or an empty context list + """ + deepspeed_plugin = AcceleratorState().deepspeed_plugin if accelerate.state.is_initialized() else None + if deepspeed_plugin is None: + return [] + + return [deepspeed_plugin.zero3_init_context_manager(enable=False)] + + # Currently Accelerate doesn't know how to handle multiple models under Deepspeed ZeRO stage 3. + # For this to work properly all models must be run through `accelerate.prepare`. But accelerate + # will try to assign the same optimizer with the same weights to all models during + # `deepspeed.initialize`, which of course doesn't work. + # + # For now the following workaround will partially support Deepspeed ZeRO-3, by excluding the 2 + # frozen models from being partitioned during `zero.Init` which gets called during + # `from_pretrained` So CLIPTextModel and AutoencoderKL will not enjoy the parameter sharding + # across multiple gpus and only UNet2DConditionModel will get ZeRO sharded. + with ContextManagers(deepspeed_zero_init_disabled_context_manager()): + # Get Text encoder + text_encoder = WanT5EncoderModel.from_pretrained( + os.path.join(args.pretrained_model_name_or_path, config['text_encoder_kwargs'].get('text_encoder_subpath', 'text_encoder')), + additional_kwargs=OmegaConf.to_container(config['text_encoder_kwargs']), + low_cpu_mem_usage=True, + torch_dtype=weight_dtype, + ) + text_encoder = text_encoder.eval() + # Get Vae + vae = AutoencoderKLWan.from_pretrained( + os.path.join(args.pretrained_model_name_or_path, config['vae_kwargs'].get('vae_subpath', 'vae')), + additional_kwargs=OmegaConf.to_container(config['vae_kwargs']), + ) + vae.eval() + + # Get Transformer + sub_path = config['transformer_additional_kwargs'].get('transformer_low_noise_model_subpath', 'transformer') \ + if args.boundary_type == "low" else config['transformer_additional_kwargs'].get('transformer_high_noise_model_subpath', 'transformer') + transformer3d = Wan2_2Transformer3DModel.from_pretrained( + os.path.join(args.pretrained_model_name_or_path, sub_path), + transformer_additional_kwargs=OmegaConf.to_container(config['transformer_additional_kwargs']), + ).to(weight_dtype) + + # Freeze vae and text_encoder and set transformer3d to trainable + vae.requires_grad_(False) + text_encoder.requires_grad_(False) + transformer3d.requires_grad_(False) + + # Lora will work with this... + network = create_network( + 1.0, + args.rank, + args.network_alpha, + text_encoder, + transformer3d, + neuron_dropout=None, + skip_name=args.lora_skip_name, + ) + network.apply_to(text_encoder, transformer3d, args.train_text_encoder and not args.training_with_video_token_length, True) + + if args.transformer_path is not None: + print(f"From checkpoint: {args.transformer_path}") + if args.transformer_path.endswith("safetensors"): + from safetensors.torch import load_file, safe_open + state_dict = load_file(args.transformer_path) + else: + state_dict = torch.load(args.transformer_path, map_location="cpu") + state_dict = state_dict["state_dict"] if "state_dict" in state_dict else state_dict + + m, u = transformer3d.load_state_dict(state_dict, strict=False) + print(f"missing keys: {len(m)}, unexpected keys: {len(u)}") + assert len(u) == 0 + + if args.vae_path is not None: + print(f"From checkpoint: {args.vae_path}") + if args.vae_path.endswith("safetensors"): + from safetensors.torch import load_file, safe_open + state_dict = load_file(args.vae_path) + else: + state_dict = torch.load(args.vae_path, map_location="cpu") + state_dict = state_dict["state_dict"] if "state_dict" in state_dict else state_dict + + m, u = vae.load_state_dict(state_dict, strict=False) + print(f"missing keys: {len(m)}, unexpected keys: {len(u)}") + assert len(u) == 0 + + # `accelerate` 0.16.0 will have better support for customized saving + if version.parse(accelerate.__version__) >= version.parse("0.16.0"): + # create custom saving & loading hooks so that `accelerator.save_state(...)` serializes in a nice format + if fsdp_stage != 0: + def save_model_hook(models, weights, output_dir): + accelerate_state_dict = accelerator.get_state_dict(models[-1], unwrap=True) + if accelerator.is_main_process: + from safetensors.torch import save_file + + safetensor_save_path = os.path.join(output_dir, f"lora_diffusion_pytorch_model.safetensors") + network_state_dict = {} + for key in accelerate_state_dict: + if "network" in key: + network_state_dict[key.replace("network.", "")] = accelerate_state_dict[key].to(weight_dtype) + + save_file(network_state_dict, safetensor_save_path, metadata={"format": "pt"}) + + with open(os.path.join(output_dir, "sampler_pos_start.pkl"), 'wb') as file: + pickle.dump([batch_sampler.sampler._pos_start, first_epoch], file) + + def load_model_hook(models, input_dir): + pkl_path = os.path.join(input_dir, "sampler_pos_start.pkl") + if os.path.exists(pkl_path): + with open(pkl_path, 'rb') as file: + loaded_number, _ = pickle.load(file) + batch_sampler.sampler._pos_start = max(loaded_number - args.dataloader_num_workers * accelerator.num_processes * 2, 0) + print(f"Load pkl from {pkl_path}. Get loaded_number = {loaded_number}.") + + elif zero_stage == 3: + def save_model_hook(models, weights, output_dir): + if accelerator.is_main_process: + with open(os.path.join(output_dir, "sampler_pos_start.pkl"), 'wb') as file: + pickle.dump([batch_sampler.sampler._pos_start, first_epoch], file) + + def load_model_hook(models, input_dir): + pkl_path = os.path.join(input_dir, "sampler_pos_start.pkl") + if os.path.exists(pkl_path): + with open(pkl_path, 'rb') as file: + loaded_number, _ = pickle.load(file) + batch_sampler.sampler._pos_start = max(loaded_number - args.dataloader_num_workers * accelerator.num_processes * 2, 0) + print(f"Load pkl from {pkl_path}. Get loaded_number = {loaded_number}.") + else: + def save_model_hook(models, weights, output_dir): + if accelerator.is_main_process: + safetensor_save_path = os.path.join(output_dir, f"lora_diffusion_pytorch_model.safetensors") + save_model(safetensor_save_path, accelerator.unwrap_model(models[-1])) + if not args.use_deepspeed: + for _ in range(len(weights)): + weights.pop() + + with open(os.path.join(output_dir, "sampler_pos_start.pkl"), 'wb') as file: + pickle.dump([batch_sampler.sampler._pos_start, first_epoch], file) + + def load_model_hook(models, input_dir): + pkl_path = os.path.join(input_dir, "sampler_pos_start.pkl") + if os.path.exists(pkl_path): + with open(pkl_path, 'rb') as file: + loaded_number, _ = pickle.load(file) + batch_sampler.sampler._pos_start = max(loaded_number - args.dataloader_num_workers * accelerator.num_processes * 2, 0) + print(f"Load pkl from {pkl_path}. Get loaded_number = {loaded_number}.") + + accelerator.register_save_state_pre_hook(save_model_hook) + accelerator.register_load_state_pre_hook(load_model_hook) + + if args.gradient_checkpointing: + transformer3d.enable_gradient_checkpointing() + + # Enable TF32 for faster training on Ampere GPUs, + # cf https://pytorch.org/docs/stable/notes/cuda.html#tensorfloat-32-tf32-on-ampere-devices + if args.allow_tf32: + torch.backends.cuda.matmul.allow_tf32 = True + + if args.scale_lr: + args.learning_rate = ( + args.learning_rate * args.gradient_accumulation_steps * args.train_batch_size * accelerator.num_processes + ) + + # Initialize the optimizer + if args.use_8bit_adam: + try: + import bitsandbytes as bnb + except ImportError: + raise ImportError( + "Please install bitsandbytes to use 8-bit Adam. You can do so by running `pip install bitsandbytes`" + ) + + optimizer_cls = bnb.optim.AdamW8bit + elif args.use_came: + try: + from came_pytorch import CAME + except: + raise ImportError( + "Please install came_pytorch to use CAME. You can do so by running `pip install came_pytorch`" + ) + + optimizer_cls = CAME + else: + optimizer_cls = torch.optim.AdamW + + logging.info("Add network parameters") + trainable_params = list(filter(lambda p: p.requires_grad, network.parameters())) + trainable_params_optim = network.prepare_optimizer_params(args.learning_rate / 2, args.learning_rate, args.learning_rate) + + if args.use_came: + optimizer = optimizer_cls( + trainable_params_optim, + lr=args.learning_rate, + # weight_decay=args.adam_weight_decay, + betas=(0.9, 0.999, 0.9999), + eps=(1e-30, 1e-16) + ) + else: + optimizer = optimizer_cls( + trainable_params_optim, + lr=args.learning_rate, + betas=(args.adam_beta1, args.adam_beta2), + weight_decay=args.adam_weight_decay, + eps=args.adam_epsilon, + ) + + # Get the training dataset + sample_n_frames_bucket_interval = vae.config.temporal_compression_ratio + + if args.fix_sample_size is not None and args.enable_bucket: + args.video_sample_size = max(max(args.fix_sample_size), args.video_sample_size) + args.image_sample_size = max(max(args.fix_sample_size), args.image_sample_size) + args.training_with_video_token_length = False + args.random_hw_adapt = False + + # Get the dataset + train_dataset = ImageVideoDataset( + args.train_data_meta, args.train_data_dir, + video_sample_size=args.video_sample_size, video_sample_stride=args.video_sample_stride, video_sample_n_frames=args.video_sample_n_frames, + video_repeat=args.video_repeat, + image_sample_size=args.image_sample_size, + enable_bucket=args.enable_bucket, enable_inpaint=True if args.train_mode != "normal" else False, + ) + + def worker_init_fn(_seed): + _seed = _seed * 256 + def _worker_init_fn(worker_id): + print(f"worker_init_fn with {_seed + worker_id}") + np.random.seed(_seed + worker_id) + random.seed(_seed + worker_id) + return _worker_init_fn + + if args.enable_bucket: + aspect_ratio_sample_size = {key : [x / 512 * args.video_sample_size for x in ASPECT_RATIO_512[key]] for key in ASPECT_RATIO_512.keys()} + batch_sampler_generator = torch.Generator().manual_seed(args.seed) + batch_sampler = AspectRatioBatchImageVideoSampler( + sampler=RandomSampler(train_dataset, generator=batch_sampler_generator), dataset=train_dataset.dataset, + batch_size=args.train_batch_size, train_folder = args.train_data_dir, drop_last=True, + aspect_ratios=aspect_ratio_sample_size, + ) + + def collate_fn(examples): + def get_length_to_frame_num(token_length): + if args.image_sample_size > args.video_sample_size: + sample_sizes = list(range(args.video_sample_size, args.image_sample_size + 1, 128)) + + if sample_sizes[-1] != args.image_sample_size: + sample_sizes.append(args.image_sample_size) + else: + sample_sizes = [args.image_sample_size] + + length_to_frame_num = { + sample_size: min(token_length / sample_size / sample_size, args.video_sample_n_frames) // sample_n_frames_bucket_interval * sample_n_frames_bucket_interval + 1 for sample_size in sample_sizes + } + + return length_to_frame_num + + def get_random_downsample_ratio(sample_size, image_ratio=[], + all_choices=False, rng=None): + def _create_special_list(length): + if length == 1: + return [1.0] + if length >= 2: + first_element = 0.90 + remaining_sum = 1.0 - first_element + other_elements_value = remaining_sum / (length - 1) + special_list = [first_element] + [other_elements_value] * (length - 1) + return special_list + + if sample_size >= 1536: + number_list = [1, 1.25, 1.5, 2, 2.5, 3] + image_ratio + elif sample_size >= 1024: + number_list = [1, 1.25, 1.5, 2] + image_ratio + elif sample_size >= 768: + number_list = [1, 1.25, 1.5] + image_ratio + elif sample_size >= 512: + number_list = [1] + image_ratio + else: + number_list = [1] + + if all_choices: + return number_list + + number_list_prob = np.array(_create_special_list(len(number_list))) + if rng is None: + return np.random.choice(number_list, p = number_list_prob) + else: + return rng.choice(number_list, p = number_list_prob) + + # Get token length + target_token_length = args.video_sample_n_frames * args.token_sample_size * args.token_sample_size + length_to_frame_num = get_length_to_frame_num(target_token_length) + + # Create new output + new_examples = {} + new_examples["target_token_length"] = target_token_length + new_examples["pixel_values"] = [] + new_examples["text"] = [] + # Used in Inpaint mode + if args.train_mode != "normal": + new_examples["mask_pixel_values"] = [] + new_examples["mask"] = [] + new_examples["clip_pixel_values"] = [] + + # Get downsample ratio in image and videos + pixel_value = examples[0]["pixel_values"] + data_type = examples[0]["data_type"] + f, h, w, c = np.shape(pixel_value) + if data_type == 'image': + random_downsample_ratio = 1 if not args.random_hw_adapt else get_random_downsample_ratio(args.image_sample_size, image_ratio=[args.image_sample_size / args.video_sample_size]) + + aspect_ratio_sample_size = {key : [x / 512 * args.image_sample_size / random_downsample_ratio for x in ASPECT_RATIO_512[key]] for key in ASPECT_RATIO_512.keys()} + aspect_ratio_random_crop_sample_size = {key : [x / 512 * args.image_sample_size / random_downsample_ratio for x in ASPECT_RATIO_RANDOM_CROP_512[key]] for key in ASPECT_RATIO_RANDOM_CROP_512.keys()} + + batch_video_length = args.video_sample_n_frames + sample_n_frames_bucket_interval + else: + if args.random_hw_adapt: + if args.training_with_video_token_length: + local_min_size = np.min(np.array([np.mean(np.array([np.shape(example["pixel_values"])[1], np.shape(example["pixel_values"])[2]])) for example in examples])) + # The video will be resized to a lower resolution than its own. + choice_list = [length for length in list(length_to_frame_num.keys()) if length < local_min_size * 1.25] + if len(choice_list) == 0: + choice_list = list(length_to_frame_num.keys()) + local_video_sample_size = np.random.choice(choice_list) + batch_video_length = length_to_frame_num[local_video_sample_size] + random_downsample_ratio = args.video_sample_size / local_video_sample_size + else: + random_downsample_ratio = get_random_downsample_ratio(args.video_sample_size) + batch_video_length = args.video_sample_n_frames + sample_n_frames_bucket_interval + else: + random_downsample_ratio = 1 + batch_video_length = args.video_sample_n_frames + sample_n_frames_bucket_interval + + aspect_ratio_sample_size = {key : [x / 512 * args.video_sample_size / random_downsample_ratio for x in ASPECT_RATIO_512[key]] for key in ASPECT_RATIO_512.keys()} + aspect_ratio_random_crop_sample_size = {key : [x / 512 * args.video_sample_size / random_downsample_ratio for x in ASPECT_RATIO_RANDOM_CROP_512[key]] for key in ASPECT_RATIO_RANDOM_CROP_512.keys()} + + if args.fix_sample_size is not None: + fix_sample_size = [int(x / 16) * 16 for x in args.fix_sample_size] + elif args.random_ratio_crop: + if rng is None: + random_sample_size = aspect_ratio_random_crop_sample_size[ + np.random.choice(list(aspect_ratio_random_crop_sample_size.keys()), p = ASPECT_RATIO_RANDOM_CROP_PROB) + ] + else: + random_sample_size = aspect_ratio_random_crop_sample_size[ + rng.choice(list(aspect_ratio_random_crop_sample_size.keys()), p = ASPECT_RATIO_RANDOM_CROP_PROB) + ] + random_sample_size = [int(x / 16) * 16 for x in random_sample_size] + else: + closest_size, closest_ratio = get_closest_ratio(h, w, ratios=aspect_ratio_sample_size) + closest_size = [int(x / 16) * 16 for x in closest_size] + + for example in examples: + if args.fix_sample_size is not None: + # To 0~1 + pixel_values = torch.from_numpy(example["pixel_values"]).permute(0, 3, 1, 2).contiguous() + pixel_values = pixel_values / 255. + + # Get adapt hw for resize + fix_sample_size = list(map(lambda x: int(x), fix_sample_size)) + transform = transforms.Compose([ + transforms.Resize(fix_sample_size, interpolation=transforms.InterpolationMode.BILINEAR), # Image.BICUBIC + transforms.CenterCrop(fix_sample_size), + transforms.Normalize(mean=[0.5, 0.5, 0.5], std=[0.5, 0.5, 0.5], inplace=True), + ]) + elif args.random_ratio_crop: + # To 0~1 + pixel_values = torch.from_numpy(example["pixel_values"]).permute(0, 3, 1, 2).contiguous() + pixel_values = pixel_values / 255. + + # Get adapt hw for resize + b, c, h, w = pixel_values.size() + th, tw = random_sample_size + if th / tw > h / w: + nh = int(th) + nw = int(w / h * nh) + else: + nw = int(tw) + nh = int(h / w * nw) + + transform = transforms.Compose([ + transforms.Resize([nh, nw]), + transforms.CenterCrop([int(x) for x in random_sample_size]), + transforms.Normalize(mean=[0.5, 0.5, 0.5], std=[0.5, 0.5, 0.5], inplace=True), + ]) + else: + # To 0~1 + pixel_values = torch.from_numpy(example["pixel_values"]).permute(0, 3, 1, 2).contiguous() + pixel_values = pixel_values / 255. + + # Get adapt hw for resize + closest_size = list(map(lambda x: int(x), closest_size)) + if closest_size[0] / h > closest_size[1] / w: + resize_size = closest_size[0], int(w * closest_size[0] / h) + else: + resize_size = int(h * closest_size[1] / w), closest_size[1] + + transform = transforms.Compose([ + transforms.Resize(resize_size, interpolation=transforms.InterpolationMode.BILINEAR), # Image.BICUBIC + transforms.CenterCrop(closest_size), + transforms.Normalize(mean=[0.5, 0.5, 0.5], std=[0.5, 0.5, 0.5], inplace=True), + ]) + new_examples["pixel_values"].append(transform(pixel_values)) + new_examples["text"].append(example["text"]) + + batch_video_length = int(min(batch_video_length, len(pixel_values))) + + # Magvae needs the number of frames to be 4n + 1. + batch_video_length = (batch_video_length - 1) // sample_n_frames_bucket_interval * sample_n_frames_bucket_interval + 1 + + if batch_video_length <= 0: + batch_video_length = 1 + + if args.train_mode != "normal": + mask = get_random_mask(new_examples["pixel_values"][-1].size()) + mask_pixel_values = new_examples["pixel_values"][-1] * (1 - mask) + # Wan 2.1 use 0 for masked pixels + # + torch.ones_like(new_examples["pixel_values"][-1]) * -1 * mask + new_examples["mask_pixel_values"].append(mask_pixel_values) + new_examples["mask"].append(mask) + + clip_pixel_values = new_examples["pixel_values"][-1][0].permute(1, 2, 0).contiguous() + clip_pixel_values = (clip_pixel_values * 0.5 + 0.5) * 255 + new_examples["clip_pixel_values"].append(clip_pixel_values) + + # Limit the number of frames to the same + new_examples["pixel_values"] = torch.stack([example[:batch_video_length] for example in new_examples["pixel_values"]]) + if args.train_mode != "normal": + new_examples["mask_pixel_values"] = torch.stack([example[:batch_video_length] for example in new_examples["mask_pixel_values"]]) + new_examples["mask"] = torch.stack([example[:batch_video_length] for example in new_examples["mask"]]) + new_examples["clip_pixel_values"] = torch.stack([example for example in new_examples["clip_pixel_values"]]) + + # Encode prompts when enable_text_encoder_in_dataloader=True + if args.enable_text_encoder_in_dataloader: + prompt_ids = tokenizer( + new_examples['text'], + max_length=args.tokenizer_max_length, + padding="max_length", + add_special_tokens=True, + truncation=True, + return_tensors="pt" + ) + encoder_hidden_states = text_encoder( + prompt_ids.input_ids + )[0] + new_examples['encoder_attention_mask'] = prompt_ids.attention_mask + new_examples['encoder_hidden_states'] = encoder_hidden_states + + return new_examples + + # DataLoaders creation: + train_dataloader = torch.utils.data.DataLoader( + train_dataset, + batch_sampler=batch_sampler, + collate_fn=collate_fn, + persistent_workers=True if args.dataloader_num_workers != 0 else False, + num_workers=args.dataloader_num_workers, + worker_init_fn=worker_init_fn(args.seed + accelerator.process_index) + ) + else: + # DataLoaders creation: + batch_sampler_generator = torch.Generator().manual_seed(args.seed) + batch_sampler = ImageVideoSampler(RandomSampler(train_dataset, generator=batch_sampler_generator), train_dataset, args.train_batch_size) + train_dataloader = torch.utils.data.DataLoader( + train_dataset, + batch_sampler=batch_sampler, + persistent_workers=True if args.dataloader_num_workers != 0 else False, + num_workers=args.dataloader_num_workers, + worker_init_fn=worker_init_fn(args.seed + accelerator.process_index) + ) + + # Scheduler and math around the number of training steps. + overrode_max_train_steps = False + num_update_steps_per_epoch = math.ceil(len(train_dataloader) / args.gradient_accumulation_steps) + if args.max_train_steps is None: + args.max_train_steps = args.num_train_epochs * num_update_steps_per_epoch + overrode_max_train_steps = True + + lr_scheduler = get_scheduler( + args.lr_scheduler, + optimizer=optimizer, + num_warmup_steps=args.lr_warmup_steps * accelerator.num_processes, + num_training_steps=args.max_train_steps * accelerator.num_processes, + ) + + # Prepare everything with our `accelerator`. + if fsdp_stage != 0: + transformer3d.network = network + transformer3d = transformer3d.to(weight_dtype) + transformer3d, optimizer, train_dataloader, lr_scheduler = accelerator.prepare( + transformer3d, optimizer, train_dataloader, lr_scheduler + ) + else: + network, optimizer, train_dataloader, lr_scheduler = accelerator.prepare( + network, optimizer, train_dataloader, lr_scheduler + ) + + if zero_stage == 3: + from functools import partial + from videox_fun.dist import set_multi_gpus_devices, shard_model + shard_fn = partial(shard_model, device_id=accelerator.device, param_dtype=weight_dtype) + transformer3d = shard_fn(transformer3d) + + if fsdp_stage != 0: + from functools import partial + from videox_fun.dist import set_multi_gpus_devices, shard_model + shard_fn = partial(shard_model, device_id=accelerator.device, param_dtype=weight_dtype) + text_encoder = shard_fn(text_encoder) + + # Move text_encode and vae to gpu and cast to weight_dtype + vae.to(accelerator.device, dtype=weight_dtype) + transformer3d.to(accelerator.device, dtype=weight_dtype) + if not args.enable_text_encoder_in_dataloader: + text_encoder.to(accelerator.device) + + # We need to recalculate our total training steps as the size of the training dataloader may have changed. + num_update_steps_per_epoch = math.ceil(len(train_dataloader) / args.gradient_accumulation_steps) + if overrode_max_train_steps: + args.max_train_steps = args.num_train_epochs * num_update_steps_per_epoch + # Afterwards we recalculate our number of training epochs + args.num_train_epochs = math.ceil(args.max_train_steps / num_update_steps_per_epoch) + + # We need to initialize the trackers we use, and also store our configuration. + # The trackers initializes automatically on the main process. + if accelerator.is_main_process: + tracker_config = dict(vars(args)) + tracker_config.pop("validation_prompts") + tracker_config.pop("fix_sample_size") + accelerator.init_trackers(args.tracker_project_name, tracker_config) + + # Function for unwrapping if model was compiled with `torch.compile`. + def unwrap_model(model): + model = accelerator.unwrap_model(model) + model = model._orig_mod if is_compiled_module(model) else model + return model + + # Train! + total_batch_size = args.train_batch_size * accelerator.num_processes * args.gradient_accumulation_steps + + logger.info("***** Running training *****") + logger.info(f" Num examples = {len(train_dataset)}") + logger.info(f" Num Epochs = {args.num_train_epochs}") + logger.info(f" Instantaneous batch size per device = {args.train_batch_size}") + logger.info(f" Total train batch size (w. parallel, distributed & accumulation) = {total_batch_size}") + logger.info(f" Gradient Accumulation steps = {args.gradient_accumulation_steps}") + logger.info(f" Total optimization steps = {args.max_train_steps}") + global_step = 0 + first_epoch = 0 + + # Potentially load in the weights and states from a previous save + if args.resume_from_checkpoint: + if args.resume_from_checkpoint != "latest": + path = os.path.basename(args.resume_from_checkpoint) + else: + # Get the most recent checkpoint + dirs = os.listdir(args.output_dir) + dirs = [d for d in dirs if d.startswith("checkpoint")] + dirs = sorted(dirs, key=lambda x: int(x.split("-")[1])) + path = dirs[-1] if len(dirs) > 0 else None + + if path is None: + accelerator.print( + f"Checkpoint '{args.resume_from_checkpoint}' does not exist. Starting a new training run." + ) + args.resume_from_checkpoint = None + initial_global_step = 0 + else: + global_step = int(path.split("-")[1]) + + initial_global_step = global_step + + checkpoint_folder_path = os.path.join(args.output_dir, path) + pkl_path = os.path.join(checkpoint_folder_path, "sampler_pos_start.pkl") + if os.path.exists(pkl_path): + with open(pkl_path, 'rb') as file: + _, first_epoch = pickle.load(file) + else: + first_epoch = global_step // num_update_steps_per_epoch + print(f"Load pkl from {pkl_path}. Get first_epoch = {first_epoch}.") + + if zero_stage != 3 and not args.use_fsdp: + from safetensors.torch import load_file + state_dict = load_file(os.path.join(checkpoint_folder_path, "lora_diffusion_pytorch_model.safetensors"), device=str(accelerator.device)) + m, u = accelerator.unwrap_model(network).load_state_dict(state_dict, strict=False) + print(f"missing keys: {len(m)}, unexpected keys: {len(u)}") + + optimizer_file_pt = os.path.join(checkpoint_folder_path, "optimizer.pt") + optimizer_file_bin = os.path.join(checkpoint_folder_path, "optimizer.bin") + optimizer_file_to_load = None + + if os.path.exists(optimizer_file_pt): + optimizer_file_to_load = optimizer_file_pt + elif os.path.exists(optimizer_file_bin): + optimizer_file_to_load = optimizer_file_bin + + if optimizer_file_to_load: + try: + accelerator.print(f"Loading optimizer state from {optimizer_file_to_load}") + optimizer_state = torch.load(optimizer_file_to_load, map_location=accelerator.device) + optimizer.load_state_dict(optimizer_state) + accelerator.print("Optimizer state loaded successfully.") + except Exception as e: + accelerator.print(f"Failed to load optimizer state from {optimizer_file_to_load}: {e}") + + scheduler_file_pt = os.path.join(checkpoint_folder_path, "scheduler.pt") + scheduler_file_bin = os.path.join(checkpoint_folder_path, "scheduler.bin") + scheduler_file_to_load = None + + if os.path.exists(scheduler_file_pt): + scheduler_file_to_load = scheduler_file_pt + elif os.path.exists(scheduler_file_bin): + scheduler_file_to_load = scheduler_file_bin + + if scheduler_file_to_load: + try: + accelerator.print(f"Loading scheduler state from {scheduler_file_to_load}") + scheduler_state = torch.load(scheduler_file_to_load, map_location=accelerator.device) + lr_scheduler.load_state_dict(scheduler_state) + accelerator.print("Scheduler state loaded successfully.") + except Exception as e: + accelerator.print(f"Failed to load scheduler state from {scheduler_file_to_load}: {e}") + + if hasattr(accelerator, 'scaler') and accelerator.scaler is not None: + scaler_file = os.path.join(checkpoint_folder_path, "scaler.pt") + if os.path.exists(scaler_file): + try: + accelerator.print(f"Loading GradScaler state from {scaler_file}") + scaler_state = torch.load(scaler_file, map_location=accelerator.device) + accelerator.scaler.load_state_dict(scaler_state) + accelerator.print("GradScaler state loaded successfully.") + except Exception as e: + accelerator.print(f"Failed to load GradScaler state: {e}") + + else: + accelerator.load_state(checkpoint_folder_path) + accelerator.print("accelerator.load_state() completed for zero_stage 3.") + + else: + initial_global_step = 0 + + # function for saving/removing + def save_model(ckpt_file, unwrapped_nw): + os.makedirs(args.output_dir, exist_ok=True) + accelerator.print(f"\nsaving checkpoint: {ckpt_file}") + unwrapped_nw.save_weights(ckpt_file, weight_dtype, None) + + progress_bar = tqdm( + range(0, args.max_train_steps), + initial=initial_global_step, + desc="Steps", + # Only show the progress bar once on each machine. + disable=not accelerator.is_local_main_process, + ) + + if args.multi_stream and args.train_mode != "normal": + # create extra cuda streams to speedup inpaint vae computation + vae_stream_1 = torch.cuda.Stream() + vae_stream_2 = torch.cuda.Stream() + else: + vae_stream_1 = None + vae_stream_2 = None + + # Calculate the index we need + boundary = config['transformer_additional_kwargs'].get('boundary', 0.900) + split_timesteps = args.train_sampling_steps * boundary + differences = torch.abs(noise_scheduler.timesteps - split_timesteps) + closest_index = torch.argmin(differences).item() + print(f"The boundary is {boundary} and the boundary_type is {args.boundary_type}. The closest_index we calculate is {closest_index}") + if args.boundary_type == "high": + start_num_idx = 0 + train_sampling_steps = closest_index + elif args.boundary_type == "low": + start_num_idx = closest_index + train_sampling_steps = args.train_sampling_steps - closest_index + else: + start_num_idx = 0 + train_sampling_steps = args.train_sampling_steps + idx_sampling = DiscreteSampling(train_sampling_steps, start_num_idx=start_num_idx, uniform_sampling=args.uniform_sampling) + + for epoch in range(first_epoch, args.num_train_epochs): + train_loss = 0.0 + batch_sampler.sampler.generator = torch.Generator().manual_seed(args.seed + epoch) + for step, batch in enumerate(train_dataloader): + if epoch == first_epoch and step == 0: + pixel_values, texts = batch['pixel_values'].cpu(), batch['text'] + pixel_values = rearrange(pixel_values, "b f c h w -> b c f h w") + os.makedirs(os.path.join(args.output_dir, "sanity_check"), exist_ok=True) + for idx, (pixel_value, text) in enumerate(zip(pixel_values, texts)): + pixel_value = pixel_value[None, ...] + gif_name = '-'.join(text.replace('/', '').split()[:10]) if not text == '' else f'{global_step}-{idx}' + save_videos_grid(pixel_value, f"{args.output_dir}/sanity_check/{gif_name[:10]}.gif", rescale=True) + if args.train_mode != "normal": + clip_pixel_values, mask_pixel_values, texts = batch['clip_pixel_values'].cpu(), batch['mask_pixel_values'].cpu(), batch['text'] + mask_pixel_values = rearrange(mask_pixel_values, "b f c h w -> b c f h w") + for idx, (clip_pixel_value, pixel_value, text) in enumerate(zip(clip_pixel_values, mask_pixel_values, texts)): + pixel_value = pixel_value[None, ...] + Image.fromarray(np.uint8(clip_pixel_value)).save(f"{args.output_dir}/sanity_check/clip_{gif_name[:10] if not text == '' else f'{global_step}-{idx}'}.png") + save_videos_grid(pixel_value, f"{args.output_dir}/sanity_check/mask_{gif_name[:10] if not text == '' else f'{global_step}-{idx}'}.gif", rescale=True) + + with accelerator.accumulate(transformer3d): + # Convert images to latent space + pixel_values = batch["pixel_values"].to(weight_dtype) + + # Increase the batch size when the length of the latent sequence of the current sample is small + if args.training_with_video_token_length and zero_stage != 3: + if args.video_sample_n_frames * args.token_sample_size * args.token_sample_size // 16 >= pixel_values.size()[1] * pixel_values.size()[3] * pixel_values.size()[4]: + pixel_values = torch.tile(pixel_values, (4, 1, 1, 1, 1)) + if args.enable_text_encoder_in_dataloader: + batch['encoder_hidden_states'] = torch.tile(batch['encoder_hidden_states'], (4, 1, 1)) + batch['encoder_attention_mask'] = torch.tile(batch['encoder_attention_mask'], (4, 1)) + else: + batch['text'] = batch['text'] * 4 + elif args.video_sample_n_frames * args.token_sample_size * args.token_sample_size // 4 >= pixel_values.size()[1] * pixel_values.size()[3] * pixel_values.size()[4]: + pixel_values = torch.tile(pixel_values, (2, 1, 1, 1, 1)) + if args.enable_text_encoder_in_dataloader: + batch['encoder_hidden_states'] = torch.tile(batch['encoder_hidden_states'], (2, 1, 1)) + batch['encoder_attention_mask'] = torch.tile(batch['encoder_attention_mask'], (2, 1)) + else: + batch['text'] = batch['text'] * 2 + + if args.train_mode != "normal": + mask_pixel_values = batch["mask_pixel_values"].to(weight_dtype) + mask = batch["mask"].to(weight_dtype) + # Increase the batch size when the length of the latent sequence of the current sample is small + if args.training_with_video_token_length and zero_stage != 3: + if args.video_sample_n_frames * args.token_sample_size * args.token_sample_size // 16 >= pixel_values.size()[1] * pixel_values.size()[3] * pixel_values.size()[4]: + mask_pixel_values = torch.tile(mask_pixel_values, (4, 1, 1, 1, 1)) + mask = torch.tile(mask, (4, 1, 1, 1, 1)) + elif args.video_sample_n_frames * args.token_sample_size * args.token_sample_size // 4 >= pixel_values.size()[1] * pixel_values.size()[3] * pixel_values.size()[4]: + mask_pixel_values = torch.tile(mask_pixel_values, (2, 1, 1, 1, 1)) + mask = torch.tile(mask, (2, 1, 1, 1, 1)) + + if args.random_frame_crop: + def _create_special_list(length): + if length == 1: + return [1.0] + if length >= 2: + last_element = 0.90 + remaining_sum = 1.0 - last_element + other_elements_value = remaining_sum / (length - 1) + special_list = [other_elements_value] * (length - 1) + [last_element] + return special_list + select_frames = [_tmp for _tmp in list(range(sample_n_frames_bucket_interval + 1, args.video_sample_n_frames + sample_n_frames_bucket_interval, sample_n_frames_bucket_interval))] + select_frames_prob = np.array(_create_special_list(len(select_frames))) + + if len(select_frames) != 0: + if rng is None: + temp_n_frames = np.random.choice(select_frames, p = select_frames_prob) + else: + temp_n_frames = rng.choice(select_frames, p = select_frames_prob) + else: + temp_n_frames = 1 + + # Magvae needs the number of frames to be 4n + 1. + temp_n_frames = (temp_n_frames - 1) // sample_n_frames_bucket_interval + 1 + + pixel_values = pixel_values[:, :temp_n_frames, :, :] + + if args.train_mode != "normal": + mask_pixel_values = mask_pixel_values[:, :temp_n_frames, :, :] + mask = mask[:, :temp_n_frames, :, :] + + # Keep all node same token length to accelerate the traning when resolution grows. + if args.keep_all_node_same_token_length: + if args.token_sample_size > 256: + numbers_list = list(range(256, args.token_sample_size + 1, 128)) + + if numbers_list[-1] != args.token_sample_size: + numbers_list.append(args.token_sample_size) + else: + numbers_list = [256] + numbers_list = [_number * _number * args.video_sample_n_frames for _number in numbers_list] + + actual_token_length = index_rng.choice(numbers_list) + actual_video_length = (min( + actual_token_length / pixel_values.size()[-1] / pixel_values.size()[-2], args.video_sample_n_frames + ) - 1) // sample_n_frames_bucket_interval * sample_n_frames_bucket_interval + 1 + actual_video_length = int(max(actual_video_length, 1)) + + # Magvae needs the number of frames to be 4n + 1. + actual_video_length = (actual_video_length - 1) // sample_n_frames_bucket_interval + 1 + + pixel_values = pixel_values[:, :actual_video_length, :, :] + if args.train_mode != "normal": + mask_pixel_values = mask_pixel_values[:, :actual_video_length, :, :] + mask = mask[:, :actual_video_length, :, :] + + # Make the inpaint latents to be zeros. + if args.train_mode != "normal": + t2v_flag = [(_mask == 1).all() for _mask in mask] + new_t2v_flag = [] + for _mask in t2v_flag: + if _mask and np.random.rand() < 0.90: + new_t2v_flag.append(0) + else: + new_t2v_flag.append(1) + t2v_flag = torch.from_numpy(np.array(new_t2v_flag)).to(accelerator.device, dtype=weight_dtype) + + if args.low_vram: + torch.cuda.empty_cache() + vae.to(accelerator.device) + if not args.enable_text_encoder_in_dataloader: + text_encoder.to("cpu") + + with torch.no_grad(): + # This way is quicker when batch grows up + def _batch_encode_vae(pixel_values): + pixel_values = rearrange(pixel_values, "b f c h w -> b c f h w") + bs = args.vae_mini_batch + new_pixel_values = [] + for i in range(0, pixel_values.shape[0], bs): + pixel_values_bs = pixel_values[i : i + bs] + pixel_values_bs = vae.encode(pixel_values_bs)[0] + pixel_values_bs = pixel_values_bs.sample() + new_pixel_values.append(pixel_values_bs) + return torch.cat(new_pixel_values, dim = 0) + if vae_stream_1 is not None: + vae_stream_1.wait_stream(torch.cuda.current_stream()) + with torch.cuda.stream(vae_stream_1): + latents = _batch_encode_vae(pixel_values) + else: + latents = _batch_encode_vae(pixel_values) + + if args.train_mode != "normal": + mask = rearrange(mask, "b f c h w -> b c f h w") + mask = torch.concat( + [ + torch.repeat_interleave(mask[:, :, 0:1], repeats=4, dim=2), + mask[:, :, 1:] + ], dim=2 + ) + mask = mask.view(mask.shape[0], mask.shape[2] // 4, 4, mask.shape[3], mask.shape[4]) + mask = mask.transpose(1, 2) + mask = resize_mask(1 - mask, latents) + + # Encode inpaint latents. + mask_latents = _batch_encode_vae(mask_pixel_values) + if vae_stream_2 is not None: + torch.cuda.current_stream().wait_stream(vae_stream_2) + + inpaint_latents = torch.concat([mask, mask_latents], dim=1) + inpaint_latents = t2v_flag[:, None, None, None, None] * inpaint_latents + + # wait for latents = vae.encode(pixel_values) to complete + if vae_stream_1 is not None: + torch.cuda.current_stream().wait_stream(vae_stream_1) + + if args.low_vram: + vae.to('cpu') + torch.cuda.empty_cache() + if not args.enable_text_encoder_in_dataloader: + text_encoder.to(accelerator.device) + + if args.enable_text_encoder_in_dataloader: + prompt_embeds = batch['encoder_hidden_states'].to(device=latents.device) + else: + with torch.no_grad(): + prompt_ids = tokenizer( + batch['text'], + padding="max_length", + max_length=args.tokenizer_max_length, + truncation=True, + add_special_tokens=True, + return_tensors="pt" + ) + text_input_ids = prompt_ids.input_ids + prompt_attention_mask = prompt_ids.attention_mask + + seq_lens = prompt_attention_mask.gt(0).sum(dim=1).long() + prompt_embeds = text_encoder(text_input_ids.to(latents.device), attention_mask=prompt_attention_mask.to(latents.device))[0] + prompt_embeds = [u[:v] for u, v in zip(prompt_embeds, seq_lens)] + + if args.low_vram and not args.enable_text_encoder_in_dataloader: + text_encoder.to('cpu') + torch.cuda.empty_cache() + + bsz, channel, num_frames, height, width = latents.size() + noise = torch.randn(latents.size(), device=latents.device, generator=torch_rng, dtype=weight_dtype) + + if not args.uniform_sampling: + u = compute_density_for_timestep_sampling( + weighting_scheme=args.weighting_scheme, + batch_size=bsz, + logit_mean=args.logit_mean, + logit_std=args.logit_std, + mode_scale=args.mode_scale, + ) + indices = (u * noise_scheduler.config.num_train_timesteps).long() + else: + # Sample a random timestep for each image + # timesteps = generate_timestep_with_lognorm(0, args.train_sampling_steps, (bsz,), device=latents.device, generator=torch_rng) + # timesteps = torch.randint(0, args.train_sampling_steps, (bsz,), device=latents.device, generator=torch_rng) + indices = idx_sampling(bsz, generator=torch_rng, device=latents.device) + indices = indices.long().cpu() + timesteps = noise_scheduler.timesteps[indices].to(device=latents.device) + + def get_sigmas(timesteps, n_dim=4, dtype=torch.float32): + sigmas = noise_scheduler.sigmas.to(device=accelerator.device, dtype=dtype) + schedule_timesteps = noise_scheduler.timesteps.to(accelerator.device) + timesteps = timesteps.to(accelerator.device) + step_indices = [(schedule_timesteps == t).nonzero().item() for t in timesteps] + + sigma = sigmas[step_indices].flatten() + while len(sigma.shape) < n_dim: + sigma = sigma.unsqueeze(-1) + return sigma + + # Add noise according to flow matching. + # zt = (1 - texp) * x + texp * z1 + sigmas = get_sigmas(timesteps, n_dim=latents.ndim, dtype=latents.dtype) + noisy_latents = (1.0 - sigmas) * latents + sigmas * noise + + # Add noise + target = noise - latents + + target_shape = (vae.latent_channels, num_frames, width, height) + seq_len = math.ceil( + (target_shape[2] * target_shape[3]) / + (accelerator.unwrap_model(transformer3d).config.patch_size[1] * accelerator.unwrap_model(transformer3d).config.patch_size[2]) * + target_shape[1] + ) + # Predict the noise residual + with torch.cuda.amp.autocast(dtype=weight_dtype), torch.cuda.device(device=accelerator.device): + noise_pred = transformer3d( + x=noisy_latents, + context=prompt_embeds, + t=timesteps, + seq_len=seq_len, + y=inpaint_latents if args.train_mode != "normal" else None, + ) + + def custom_mse_loss(noise_pred, target, weighting=None, threshold=50): + noise_pred = noise_pred.float() + target = target.float() + diff = noise_pred - target + mse_loss = F.mse_loss(noise_pred, target, reduction='none') + mask = (diff.abs() <= threshold).float() + masked_loss = mse_loss * mask + if weighting is not None: + masked_loss = masked_loss * weighting + final_loss = masked_loss.mean() + return final_loss + + weighting = compute_loss_weighting_for_sd3(weighting_scheme=args.weighting_scheme, sigmas=sigmas) + loss = custom_mse_loss(noise_pred.float(), target.float(), weighting.float()) + loss = loss.mean() + + if args.motion_sub_loss and noise_pred.size()[1] > 2: + gt_sub_noise = noise_pred[:, 1:, :].float() - noise_pred[:, :-1, :].float() + pre_sub_noise = target[:, 1:, :].float() - target[:, :-1, :].float() + sub_loss = F.mse_loss(gt_sub_noise, pre_sub_noise, reduction="mean") + loss = loss * (1 - args.motion_sub_loss_ratio) + sub_loss * args.motion_sub_loss_ratio + + # Gather the losses across all processes for logging (if we use distributed training). + avg_loss = accelerator.gather(loss.repeat(args.train_batch_size)).mean() + train_loss += avg_loss.item() / args.gradient_accumulation_steps + + # Backpropagate + accelerator.backward(loss) + if accelerator.sync_gradients: + accelerator.clip_grad_norm_(trainable_params, args.max_grad_norm) + optimizer.step() + lr_scheduler.step() + optimizer.zero_grad() + + # Checks if the accelerator has performed an optimization step behind the scenes + if accelerator.sync_gradients: + progress_bar.update(1) + global_step += 1 + accelerator.log({"train_loss": train_loss}, step=global_step) + train_loss = 0.0 + + if global_step % args.checkpointing_steps == 0: + if args.use_deepspeed or args.use_fsdp or accelerator.is_main_process: + # _before_ saving state, check if this save would set us over the `checkpoints_total_limit` + if args.checkpoints_total_limit is not None: + checkpoints = os.listdir(args.output_dir) + checkpoints = [d for d in checkpoints if d.startswith("checkpoint")] + checkpoints = sorted(checkpoints, key=lambda x: int(x.split("-")[1])) + + # before we save the new checkpoint, we need to have at _most_ `checkpoints_total_limit - 1` checkpoints + if len(checkpoints) >= args.checkpoints_total_limit: + num_to_remove = len(checkpoints) - args.checkpoints_total_limit + 1 + removing_checkpoints = checkpoints[0:num_to_remove] + + logger.info( + f"{len(checkpoints)} checkpoints already exist, removing {len(removing_checkpoints)} checkpoints" + ) + logger.info(f"removing checkpoints: {', '.join(removing_checkpoints)}") + + for removing_checkpoint in removing_checkpoints: + removing_checkpoint = os.path.join(args.output_dir, removing_checkpoint) + shutil.rmtree(removing_checkpoint) + if not args.save_state: + safetensor_save_path = os.path.join(args.output_dir, f"checkpoint-{global_step}.safetensors") + save_model(safetensor_save_path, accelerator.unwrap_model(network)) + logger.info(f"Saved safetensor to {safetensor_save_path}") + else: + accelerator_save_path = os.path.join(args.output_dir, f"checkpoint-{global_step}") + accelerator.save_state(accelerator_save_path) + logger.info(f"Saved state to {accelerator_save_path}") + + if accelerator.is_main_process: + if args.validation_prompts is not None and global_step % args.validation_steps == 0: + log_validation( + vae, + text_encoder, + tokenizer, + transformer3d, + network, + config, + args, + accelerator, + weight_dtype, + global_step, + ) + + logs = {"step_loss": loss.detach().item(), "lr": lr_scheduler.get_last_lr()[0]} + progress_bar.set_postfix(**logs) + + if global_step >= args.max_train_steps: + break + + if accelerator.is_main_process: + if args.validation_prompts is not None and epoch % args.validation_epochs == 0: + log_validation( + vae, + text_encoder, + tokenizer, + transformer3d, + network, + config, + args, + accelerator, + weight_dtype, + global_step, + ) + + # Create the pipeline using the trained modules and save it. + accelerator.wait_for_everyone() + if args.use_deepspeed or args.use_fsdp or accelerator.is_main_process: + if not args.save_state: + safetensor_save_path = os.path.join(args.output_dir, f"checkpoint-{global_step}.safetensors") + save_model(safetensor_save_path, accelerator.unwrap_model(network)) + else: + accelerator_save_path = os.path.join(args.output_dir, f"checkpoint-{global_step}") + accelerator.save_state(accelerator_save_path) + logger.info(f"Saved state to {accelerator_save_path}") + + accelerator.end_training() + + +if __name__ == "__main__": + main() diff --git a/scripts/wan2.2_fun/train_lora.sh b/scripts/wan2.2_fun/train_lora.sh new file mode 100644 index 0000000..fc3e06f --- /dev/null +++ b/scripts/wan2.2_fun/train_lora.sh @@ -0,0 +1,41 @@ +export MODEL_NAME="models/Diffusion_Transformer/Wan2.2-Fun-A14B-InP" +export DATASET_NAME="datasets/internal_datasets/" +export DATASET_META_NAME="datasets/internal_datasets/metadata.json" +# NCCL_IB_DISABLE=1 and NCCL_P2P_DISABLE=1 are used in multi nodes without RDMA. +# export NCCL_IB_DISABLE=1 +# export NCCL_P2P_DISABLE=1 +NCCL_DEBUG=INFO + +accelerate launch --mixed_precision="bf16" scripts/wan2.2_fun/train_lora.py \ + --config_path="config/wan2.2/wan_civitai_i2v.yaml" \ + --pretrained_model_name_or_path=$MODEL_NAME \ + --train_data_dir=$DATASET_NAME \ + --train_data_meta=$DATASET_META_NAME \ + --image_sample_size=1024 \ + --video_sample_size=256 \ + --token_sample_size=512 \ + --video_sample_stride=2 \ + --video_sample_n_frames=81 \ + --train_batch_size=1 \ + --video_repeat=1 \ + --gradient_accumulation_steps=1 \ + --dataloader_num_workers=8 \ + --num_train_epochs=100 \ + --checkpointing_steps=50 \ + --learning_rate=1e-04 \ + --seed=42 \ + --output_dir="output_dir" \ + --gradient_checkpointing \ + --mixed_precision="bf16" \ + --adam_weight_decay=3e-2 \ + --adam_epsilon=1e-10 \ + --vae_mini_batch=1 \ + --max_grad_norm=0.05 \ + --random_hw_adapt \ + --training_with_video_token_length \ + --enable_bucket \ + --uniform_sampling \ + --train_mode="inpaint" \ + --boundary_type="low" \ + --lora_skip_name="ffn" \ + --low_vram diff --git a/videox_fun/models/cache_utils.py b/videox_fun/models/cache_utils.py index 12dd09a..9798e45 100755 --- a/videox_fun/models/cache_utils.py +++ b/videox_fun/models/cache_utils.py @@ -8,11 +8,8 @@ def get_teacache_coefficients(model_name): return [-3.03318725e+05, 4.90537029e+04, -2.65530556e+03, 5.87365115e+01, -3.15583525e-01] elif "wan2.1-i2v-14b-480p" in model_name.lower(): return [2.57151496e+05, -3.54229917e+04, 1.40286849e+03, -1.35890334e+01, 1.32517977e-01] - elif "wan2.1-i2v-14b-720p" in model_name.lower() \ - or "wan2.1-fun-14b" in model_name.lower() \ - or "wan2.2-i2v-a14b" in model_name.lower() \ - or "wan2.2-t2v-a14b" in model_name.lower() \ - or "wan2.2-t2v-5b" in model_name.lower(): + elif "wan2.1-i2v-14b-720p" in model_name.lower() or "wan2.1-fun-14b" in model_name.lower() or "wan2.2-fun" in model_name.lower() \ + or "wan2.2-i2v-a14b" in model_name.lower() or "wan2.2-t2v-a14b" in model_name.lower() or "wan2.2-ti2v-5b" in model_name.lower() : return [8.10705460e+03, 2.13393892e+03, -3.72934672e+02, 1.66203073e+01, -4.17769401e-02] else: print(f"The model {model_name} is not supported by TeaCache.") diff --git a/videox_fun/models/wan_vae.py b/videox_fun/models/wan_vae.py index cd28cb9..3ccd17a 100755 --- a/videox_fun/models/wan_vae.py +++ b/videox_fun/models/wan_vae.py @@ -624,7 +624,7 @@ class AutoencoderKLWan(ModelMixin, ConfigMixin, FromOriginalModelMixin): self, latent_channels=16, temporal_compression_ratio=4, - spacial_compression_ratio=8 + spatial_compression_ratio=8 ): super().__init__() mean = [ diff --git a/videox_fun/pipeline/__init__.py b/videox_fun/pipeline/__init__.py index 786ed8d..9cd17d7 100755 --- a/videox_fun/pipeline/__init__.py +++ b/videox_fun/pipeline/__init__.py @@ -1,26 +1,41 @@ from .pipeline_cogvideox_fun import CogVideoXFunPipeline from .pipeline_cogvideox_fun_control import CogVideoXFunControlPipeline from .pipeline_cogvideox_fun_inpaint import CogVideoXFunInpaintPipeline -from .pipeline_wan_fun import WanFunPipeline + +from .pipeline_wan import WanPipeline from .pipeline_wan_fun_inpaint import WanFunInpaintPipeline from .pipeline_wan_fun_control import WanFunControlPipeline -from .pipeline_wan_phantom import WanFunPhantomPipeline -from .pipeline_wan2_2 import Wan2_2Pipeline -from .pipeline_wan2_2_i2v import Wan2_2I2VPipeline -WanPipeline = WanFunPipeline +from .pipeline_wan_phantom import WanFunPhantomPipeline + +from .pipeline_wan2_2 import Wan2_2Pipeline +from .pipeline_wan2_2_fun_inpaint import Wan2_2FunInpaintPipeline +from .pipeline_wan2_2_fun_control import Wan2_2FunControlPipeline + +WanFunPipeline = WanPipeline WanI2VPipeline = WanFunInpaintPipeline +Wan2_2FunPipeline = Wan2_2Pipeline +Wan2_2I2VPipeline = Wan2_2FunInpaintPipeline + import importlib.util if importlib.util.find_spec("pai_fuser") is not None: from pai_fuser.core import sparse_reset + # Wan2.1 WanFunInpaintPipeline.__call__ = sparse_reset(WanFunInpaintPipeline.__call__) WanFunPipeline.__call__ = sparse_reset(WanFunPipeline.__call__) WanFunControlPipeline.__call__ = sparse_reset(WanFunControlPipeline.__call__) WanI2VPipeline.__call__ = sparse_reset(WanI2VPipeline.__call__) WanPipeline.__call__ = sparse_reset(WanPipeline.__call__) + + # Phantom WanFunPhantomPipeline.__call__ = sparse_reset(WanFunPhantomPipeline.__call__) + + # Wan2.2 + Wan2_2FunInpaintPipeline.__call__ = sparse_reset(Wan2_2FunInpaintPipeline.__call__) + Wan2_2FunPipeline.__call__ = sparse_reset(Wan2_2FunPipeline.__call__) + Wan2_2FunControlPipeline.__call__ = sparse_reset(Wan2_2FunControlPipeline.__call__) Wan2_2Pipeline.__call__ = sparse_reset(Wan2_2Pipeline.__call__) Wan2_2I2VPipeline.__call__ = sparse_reset(Wan2_2I2VPipeline.__call__) \ No newline at end of file diff --git a/videox_fun/pipeline/pipeline_wan_fun.py b/videox_fun/pipeline/pipeline_wan.py similarity index 98% rename from videox_fun/pipeline/pipeline_wan_fun.py rename to videox_fun/pipeline/pipeline_wan.py index 13f4584..f105c9a 100755 --- a/videox_fun/pipeline/pipeline_wan_fun.py +++ b/videox_fun/pipeline/pipeline_wan.py @@ -104,7 +104,7 @@ class WanPipelineOutput(BaseOutput): videos: torch.Tensor -class WanFunPipeline(DiffusionPipeline): +class WanPipeline(DiffusionPipeline): r""" Pipeline for text-to-video generation using Wan. @@ -134,7 +134,7 @@ class WanFunPipeline(DiffusionPipeline): self.register_modules( tokenizer=tokenizer, text_encoder=text_encoder, vae=vae, transformer=transformer, scheduler=scheduler ) - self.video_processor = VideoProcessor(vae_scale_factor=self.vae.spacial_compression_ratio) + self.video_processor = VideoProcessor(vae_scale_factor=self.vae.spatial_compression_ratio) def _get_t5_prompt_embeds( self, @@ -274,8 +274,8 @@ class WanFunPipeline(DiffusionPipeline): batch_size, num_channels_latents, (num_frames - 1) // self.vae.temporal_compression_ratio + 1, - height // self.vae.spacial_compression_ratio, - width // self.vae.spacial_compression_ratio, + height // self.vae.spatial_compression_ratio, + width // self.vae.spatial_compression_ratio, ) if latents is None: @@ -508,7 +508,7 @@ class WanFunPipeline(DiffusionPipeline): # 6. Prepare extra step kwargs. TODO: Logic should ideally just be moved out of the pipeline extra_step_kwargs = self.prepare_extra_step_kwargs(generator, eta) - target_shape = (self.vae.latent_channels, (num_frames - 1) // self.vae.temporal_compression_ratio + 1, width // self.vae.spacial_compression_ratio, height // self.vae.spacial_compression_ratio) + target_shape = (self.vae.latent_channels, (num_frames - 1) // self.vae.temporal_compression_ratio + 1, width // self.vae.spatial_compression_ratio, height // self.vae.spatial_compression_ratio) seq_len = math.ceil((target_shape[2] * target_shape[3]) / (self.transformer.config.patch_size[1] * self.transformer.config.patch_size[2]) * target_shape[1]) # 7. Denoising loop num_warmup_steps = max(len(timesteps) - num_inference_steps * self.scheduler.order, 0) diff --git a/videox_fun/pipeline/pipeline_wan2_2.py b/videox_fun/pipeline/pipeline_wan2_2.py index accf33d..e96287a 100755 --- a/videox_fun/pipeline/pipeline_wan2_2.py +++ b/videox_fun/pipeline/pipeline_wan2_2.py @@ -136,7 +136,7 @@ class Wan2_2Pipeline(DiffusionPipeline): tokenizer=tokenizer, text_encoder=text_encoder, vae=vae, transformer=transformer, transformer_2=transformer_2, scheduler=scheduler ) - self.video_processor = VideoProcessor(vae_scale_factor=self.vae.spacial_compression_ratio) + self.video_processor = VideoProcessor(vae_scale_factor=self.vae.spatial_compression_ratio) def _get_t5_prompt_embeds( self, @@ -276,8 +276,8 @@ class Wan2_2Pipeline(DiffusionPipeline): batch_size, num_channels_latents, (num_frames - 1) // self.vae.temporal_compression_ratio + 1, - height // self.vae.spacial_compression_ratio, - width // self.vae.spacial_compression_ratio, + height // self.vae.spatial_compression_ratio, + width // self.vae.spatial_compression_ratio, ) if latents is None: @@ -511,7 +511,7 @@ class Wan2_2Pipeline(DiffusionPipeline): # 6. Prepare extra step kwargs. TODO: Logic should ideally just be moved out of the pipeline extra_step_kwargs = self.prepare_extra_step_kwargs(generator, eta) - target_shape = (self.vae.latent_channels, (num_frames - 1) // self.vae.temporal_compression_ratio + 1, width // self.vae.spacial_compression_ratio, height // self.vae.spacial_compression_ratio) + target_shape = (self.vae.latent_channels, (num_frames - 1) // self.vae.temporal_compression_ratio + 1, width // self.vae.spatial_compression_ratio, height // self.vae.spatial_compression_ratio) seq_len = math.ceil((target_shape[2] * target_shape[3]) / (self.transformer.config.patch_size[1] * self.transformer.config.patch_size[2]) * target_shape[1]) # 7. Denoising loop num_warmup_steps = max(len(timesteps) - num_inference_steps * self.scheduler.order, 0) diff --git a/videox_fun/pipeline/pipeline_wan2_2_fun_control.py b/videox_fun/pipeline/pipeline_wan2_2_fun_control.py new file mode 100644 index 0000000..9bb832b --- /dev/null +++ b/videox_fun/pipeline/pipeline_wan2_2_fun_control.py @@ -0,0 +1,883 @@ +import inspect +import math +from dataclasses import dataclass +from typing import Any, Callable, Dict, List, Optional, Tuple, Union + +import numpy as np +import torch +import torch.nn.functional as F +import torchvision.transforms.functional as TF +from diffusers import FlowMatchEulerDiscreteScheduler +from diffusers.callbacks import MultiPipelineCallbacks, PipelineCallback +from diffusers.image_processor import VaeImageProcessor +from diffusers.models.embeddings import get_1d_rotary_pos_embed +from diffusers.pipelines.pipeline_utils import DiffusionPipeline +from diffusers.schedulers import FlowMatchEulerDiscreteScheduler +from diffusers.utils import BaseOutput, logging, replace_example_docstring +from diffusers.utils.torch_utils import randn_tensor +from diffusers.video_processor import VideoProcessor +from einops import rearrange +from PIL import Image +from transformers import T5Tokenizer + +from ..models import (AutoencoderKLWan, AutoTokenizer, + Wan2_2Transformer3DModel, WanT5EncoderModel) +from ..utils.fm_solvers import (FlowDPMSolverMultistepScheduler, + get_sampling_sigmas) +from ..utils.fm_solvers_unipc import FlowUniPCMultistepScheduler + +logger = logging.get_logger(__name__) # pylint: disable=invalid-name + + +EXAMPLE_DOC_STRING = """ + Examples: + ```python + pass + ``` +""" + + +# Copied from diffusers.pipelines.stable_diffusion.pipeline_stable_diffusion.retrieve_timesteps +def retrieve_timesteps( + scheduler, + num_inference_steps: Optional[int] = None, + device: Optional[Union[str, torch.device]] = None, + timesteps: Optional[List[int]] = None, + sigmas: Optional[List[float]] = None, + **kwargs, +): + """ + Calls the scheduler's `set_timesteps` method and retrieves timesteps from the scheduler after the call. Handles + custom timesteps. Any kwargs will be supplied to `scheduler.set_timesteps`. + + Args: + scheduler (`SchedulerMixin`): + The scheduler to get timesteps from. + num_inference_steps (`int`): + The number of diffusion steps used when generating samples with a pre-trained model. If used, `timesteps` + must be `None`. + device (`str` or `torch.device`, *optional*): + The device to which the timesteps should be moved to. If `None`, the timesteps are not moved. + timesteps (`List[int]`, *optional*): + Custom timesteps used to override the timestep spacing strategy of the scheduler. If `timesteps` is passed, + `num_inference_steps` and `sigmas` must be `None`. + sigmas (`List[float]`, *optional*): + Custom sigmas used to override the timestep spacing strategy of the scheduler. If `sigmas` is passed, + `num_inference_steps` and `timesteps` must be `None`. + + Returns: + `Tuple[torch.Tensor, int]`: A tuple where the first element is the timestep schedule from the scheduler and the + second element is the number of inference steps. + """ + if timesteps is not None and sigmas is not None: + raise ValueError("Only one of `timesteps` or `sigmas` can be passed. Please choose one to set custom values") + if timesteps is not None: + accepts_timesteps = "timesteps" in set(inspect.signature(scheduler.set_timesteps).parameters.keys()) + if not accepts_timesteps: + raise ValueError( + f"The current scheduler class {scheduler.__class__}'s `set_timesteps` does not support custom" + f" timestep schedules. Please check whether you are using the correct scheduler." + ) + scheduler.set_timesteps(timesteps=timesteps, device=device, **kwargs) + timesteps = scheduler.timesteps + num_inference_steps = len(timesteps) + elif sigmas is not None: + accept_sigmas = "sigmas" in set(inspect.signature(scheduler.set_timesteps).parameters.keys()) + if not accept_sigmas: + raise ValueError( + f"The current scheduler class {scheduler.__class__}'s `set_timesteps` does not support custom" + f" sigmas schedules. Please check whether you are using the correct scheduler." + ) + scheduler.set_timesteps(sigmas=sigmas, device=device, **kwargs) + timesteps = scheduler.timesteps + num_inference_steps = len(timesteps) + else: + scheduler.set_timesteps(num_inference_steps, device=device, **kwargs) + timesteps = scheduler.timesteps + return timesteps, num_inference_steps + + +def resize_mask(mask, latent, process_first_frame_only=True): + latent_size = latent.size() + batch_size, channels, num_frames, height, width = mask.shape + + if process_first_frame_only: + target_size = list(latent_size[2:]) + target_size[0] = 1 + first_frame_resized = F.interpolate( + mask[:, :, 0:1, :, :], + size=target_size, + mode='trilinear', + align_corners=False + ) + + target_size = list(latent_size[2:]) + target_size[0] = target_size[0] - 1 + if target_size[0] != 0: + remaining_frames_resized = F.interpolate( + mask[:, :, 1:, :, :], + size=target_size, + mode='trilinear', + align_corners=False + ) + resized_mask = torch.cat([first_frame_resized, remaining_frames_resized], dim=2) + else: + resized_mask = first_frame_resized + else: + target_size = list(latent_size[2:]) + resized_mask = F.interpolate( + mask, + size=target_size, + mode='trilinear', + align_corners=False + ) + return resized_mask + + +@dataclass +class WanPipelineOutput(BaseOutput): + r""" + Output class for CogVideo pipelines. + + Args: + video (`torch.Tensor`, `np.ndarray`, or List[List[PIL.Image.Image]]): + List of video outputs - It can be a nested list of length `batch_size,` with each sub-list containing + denoised PIL image sequences of length `num_frames.` It can also be a NumPy array or Torch tensor of shape + `(batch_size, num_frames, channels, height, width)`. + """ + + videos: torch.Tensor + + +class Wan2_2FunControlPipeline(DiffusionPipeline): + r""" + Pipeline for text-to-video generation using Wan. + + This model inherits from [`DiffusionPipeline`]. Check the superclass documentation for the generic methods the + library implements for all the pipelines (such as downloading or saving, running on a particular device, etc.) + """ + + _optional_components = ["transformer_2"] + model_cpu_offload_seq = "text_encoder->transformer->transformer_2->vae" + + _callback_tensor_inputs = [ + "latents", + "prompt_embeds", + "negative_prompt_embeds", + ] + + def __init__( + self, + tokenizer: AutoTokenizer, + text_encoder: WanT5EncoderModel, + vae: AutoencoderKLWan, + transformer: Wan2_2Transformer3DModel, + transformer_2: Wan2_2Transformer3DModel = None, + scheduler: FlowMatchEulerDiscreteScheduler = None, + ): + super().__init__() + + self.register_modules( + tokenizer=tokenizer, text_encoder=text_encoder, vae=vae, transformer=transformer, + transformer_2=transformer_2, scheduler=scheduler + ) + self.video_processor = VideoProcessor(vae_scale_factor=self.vae.spatial_compression_ratio) + self.image_processor = VaeImageProcessor(vae_scale_factor=self.vae.spatial_compression_ratio) + self.mask_processor = VaeImageProcessor( + vae_scale_factor=self.vae.spatial_compression_ratio, do_normalize=False, do_binarize=True, do_convert_grayscale=True + ) + + def _get_t5_prompt_embeds( + self, + prompt: Union[str, List[str]] = None, + num_videos_per_prompt: int = 1, + max_sequence_length: int = 512, + device: Optional[torch.device] = None, + dtype: Optional[torch.dtype] = None, + ): + device = device or self._execution_device + dtype = dtype or self.text_encoder.dtype + + prompt = [prompt] if isinstance(prompt, str) else prompt + batch_size = len(prompt) + + text_inputs = self.tokenizer( + prompt, + padding="max_length", + max_length=max_sequence_length, + truncation=True, + add_special_tokens=True, + return_tensors="pt", + ) + text_input_ids = text_inputs.input_ids + prompt_attention_mask = text_inputs.attention_mask + untruncated_ids = self.tokenizer(prompt, padding="longest", return_tensors="pt").input_ids + + if untruncated_ids.shape[-1] >= text_input_ids.shape[-1] and not torch.equal(text_input_ids, untruncated_ids): + removed_text = self.tokenizer.batch_decode(untruncated_ids[:, max_sequence_length - 1 : -1]) + logger.warning( + "The following part of your input was truncated because `max_sequence_length` is set to " + f" {max_sequence_length} tokens: {removed_text}" + ) + + seq_lens = prompt_attention_mask.gt(0).sum(dim=1).long() + prompt_embeds = self.text_encoder(text_input_ids.to(device), attention_mask=prompt_attention_mask.to(device))[0] + prompt_embeds = prompt_embeds.to(dtype=dtype, device=device) + + # duplicate text embeddings for each generation per prompt, using mps friendly method + _, seq_len, _ = prompt_embeds.shape + prompt_embeds = prompt_embeds.repeat(1, num_videos_per_prompt, 1) + prompt_embeds = prompt_embeds.view(batch_size * num_videos_per_prompt, seq_len, -1) + + return [u[:v] for u, v in zip(prompt_embeds, seq_lens)] + + def encode_prompt( + self, + prompt: Union[str, List[str]], + negative_prompt: Optional[Union[str, List[str]]] = None, + do_classifier_free_guidance: bool = True, + num_videos_per_prompt: int = 1, + prompt_embeds: Optional[torch.Tensor] = None, + negative_prompt_embeds: Optional[torch.Tensor] = None, + max_sequence_length: int = 512, + device: Optional[torch.device] = None, + dtype: Optional[torch.dtype] = None, + ): + r""" + Encodes the prompt into text encoder hidden states. + + Args: + prompt (`str` or `List[str]`, *optional*): + prompt to be encoded + negative_prompt (`str` or `List[str]`, *optional*): + The prompt or prompts not to guide the image generation. If not defined, one has to pass + `negative_prompt_embeds` instead. Ignored when not using guidance (i.e., ignored if `guidance_scale` is + less than `1`). + do_classifier_free_guidance (`bool`, *optional*, defaults to `True`): + Whether to use classifier free guidance or not. + num_videos_per_prompt (`int`, *optional*, defaults to 1): + Number of videos that should be generated per prompt. torch device to place the resulting embeddings on + prompt_embeds (`torch.Tensor`, *optional*): + Pre-generated text embeddings. Can be used to easily tweak text inputs, *e.g.* prompt weighting. If not + provided, text embeddings will be generated from `prompt` input argument. + negative_prompt_embeds (`torch.Tensor`, *optional*): + Pre-generated negative text embeddings. Can be used to easily tweak text inputs, *e.g.* prompt + weighting. If not provided, negative_prompt_embeds will be generated from `negative_prompt` input + argument. + device: (`torch.device`, *optional*): + torch device + dtype: (`torch.dtype`, *optional*): + torch dtype + """ + device = device or self._execution_device + + prompt = [prompt] if isinstance(prompt, str) else prompt + if prompt is not None: + batch_size = len(prompt) + else: + batch_size = prompt_embeds.shape[0] + + if prompt_embeds is None: + prompt_embeds = self._get_t5_prompt_embeds( + prompt=prompt, + num_videos_per_prompt=num_videos_per_prompt, + max_sequence_length=max_sequence_length, + device=device, + dtype=dtype, + ) + + if do_classifier_free_guidance and negative_prompt_embeds is None: + negative_prompt = negative_prompt or "" + negative_prompt = batch_size * [negative_prompt] if isinstance(negative_prompt, str) else negative_prompt + + if prompt is not None and type(prompt) is not type(negative_prompt): + raise TypeError( + f"`negative_prompt` should be the same type to `prompt`, but got {type(negative_prompt)} !=" + f" {type(prompt)}." + ) + elif batch_size != len(negative_prompt): + raise ValueError( + f"`negative_prompt`: {negative_prompt} has batch size {len(negative_prompt)}, but `prompt`:" + f" {prompt} has batch size {batch_size}. Please make sure that passed `negative_prompt` matches" + " the batch size of `prompt`." + ) + + negative_prompt_embeds = self._get_t5_prompt_embeds( + prompt=negative_prompt, + num_videos_per_prompt=num_videos_per_prompt, + max_sequence_length=max_sequence_length, + device=device, + dtype=dtype, + ) + + return prompt_embeds, negative_prompt_embeds + + def prepare_latents( + self, batch_size, num_channels_latents, num_frames, height, width, dtype, device, generator, latents=None + ): + if isinstance(generator, list) and len(generator) != batch_size: + raise ValueError( + f"You have passed a list of generators of length {len(generator)}, but requested an effective batch" + f" size of {batch_size}. Make sure the batch size matches the length of the generators." + ) + + shape = ( + batch_size, + num_channels_latents, + (num_frames - 1) // self.vae.temporal_compression_ratio + 1, + height // self.vae.spatial_compression_ratio, + width // self.vae.spatial_compression_ratio, + ) + + if latents is None: + latents = randn_tensor(shape, generator=generator, device=device, dtype=dtype) + else: + latents = latents.to(device) + + # scale the initial noise by the standard deviation required by the scheduler + if hasattr(self.scheduler, "init_noise_sigma"): + latents = latents * self.scheduler.init_noise_sigma + return latents + + def prepare_mask_latents( + self, mask, masked_image, batch_size, height, width, dtype, device, generator, do_classifier_free_guidance, noise_aug_strength + ): + # resize the mask to latents shape as we concatenate the mask to the latents + # we do that before converting to dtype to avoid breaking in case we're using cpu_offload + # and half precision + + if mask is not None: + mask = mask.to(device=device, dtype=self.vae.dtype) + bs = 1 + new_mask = [] + for i in range(0, mask.shape[0], bs): + mask_bs = mask[i : i + bs] + mask_bs = self.vae.encode(mask_bs)[0] + mask_bs = mask_bs.mode() + new_mask.append(mask_bs) + mask = torch.cat(new_mask, dim = 0) + # mask = mask * self.vae.config.scaling_factor + + if masked_image is not None: + masked_image = masked_image.to(device=device, dtype=self.vae.dtype) + bs = 1 + new_mask_pixel_values = [] + for i in range(0, masked_image.shape[0], bs): + mask_pixel_values_bs = masked_image[i : i + bs] + mask_pixel_values_bs = self.vae.encode(mask_pixel_values_bs)[0] + mask_pixel_values_bs = mask_pixel_values_bs.mode() + new_mask_pixel_values.append(mask_pixel_values_bs) + masked_image_latents = torch.cat(new_mask_pixel_values, dim = 0) + # masked_image_latents = masked_image_latents * self.vae.config.scaling_factor + else: + masked_image_latents = None + + return mask, masked_image_latents + + def prepare_control_latents( + self, control, control_image, batch_size, height, width, dtype, device, generator, do_classifier_free_guidance + ): + # resize the control to latents shape as we concatenate the control to the latents + # we do that before converting to dtype to avoid breaking in case we're using cpu_offload + # and half precision + + if control is not None: + control = control.to(device=device, dtype=dtype) + bs = 1 + new_control = [] + for i in range(0, control.shape[0], bs): + control_bs = control[i : i + bs] + control_bs = self.vae.encode(control_bs)[0] + control_bs = control_bs.mode() + new_control.append(control_bs) + control = torch.cat(new_control, dim = 0) + + if control_image is not None: + control_image = control_image.to(device=device, dtype=dtype) + bs = 1 + new_control_pixel_values = [] + for i in range(0, control_image.shape[0], bs): + control_pixel_values_bs = control_image[i : i + bs] + control_pixel_values_bs = self.vae.encode(control_pixel_values_bs)[0] + control_pixel_values_bs = control_pixel_values_bs.mode() + new_control_pixel_values.append(control_pixel_values_bs) + control_image_latents = torch.cat(new_control_pixel_values, dim = 0) + else: + control_image_latents = None + + return control, control_image_latents + + def decode_latents(self, latents: torch.Tensor) -> torch.Tensor: + frames = self.vae.decode(latents.to(self.vae.dtype)).sample + frames = (frames / 2 + 0.5).clamp(0, 1) + # we always cast to float32 as this does not cause significant overhead and is compatible with bfloa16 + frames = frames.cpu().float().numpy() + return frames + + # Copied from diffusers.pipelines.stable_diffusion.pipeline_stable_diffusion.StableDiffusionPipeline.prepare_extra_step_kwargs + def prepare_extra_step_kwargs(self, generator, eta): + # prepare extra kwargs for the scheduler step, since not all schedulers have the same signature + # eta (η) is only used with the DDIMScheduler, it will be ignored for other schedulers. + # eta corresponds to η in DDIM paper: https://arxiv.org/abs/2010.02502 + # and should be between [0, 1] + + accepts_eta = "eta" in set(inspect.signature(self.scheduler.step).parameters.keys()) + extra_step_kwargs = {} + if accepts_eta: + extra_step_kwargs["eta"] = eta + + # check if the scheduler accepts generator + accepts_generator = "generator" in set(inspect.signature(self.scheduler.step).parameters.keys()) + if accepts_generator: + extra_step_kwargs["generator"] = generator + return extra_step_kwargs + + # Copied from diffusers.pipelines.latte.pipeline_latte.LattePipeline.check_inputs + def check_inputs( + self, + prompt, + height, + width, + negative_prompt, + callback_on_step_end_tensor_inputs, + prompt_embeds=None, + negative_prompt_embeds=None, + ): + if height % 8 != 0 or width % 8 != 0: + raise ValueError(f"`height` and `width` have to be divisible by 8 but are {height} and {width}.") + + if callback_on_step_end_tensor_inputs is not None and not all( + k in self._callback_tensor_inputs for k in callback_on_step_end_tensor_inputs + ): + raise ValueError( + f"`callback_on_step_end_tensor_inputs` has to be in {self._callback_tensor_inputs}, but found {[k for k in callback_on_step_end_tensor_inputs if k not in self._callback_tensor_inputs]}" + ) + if prompt is not None and prompt_embeds is not None: + raise ValueError( + f"Cannot forward both `prompt`: {prompt} and `prompt_embeds`: {prompt_embeds}. Please make sure to" + " only forward one of the two." + ) + elif prompt is None and prompt_embeds is None: + raise ValueError( + "Provide either `prompt` or `prompt_embeds`. Cannot leave both `prompt` and `prompt_embeds` undefined." + ) + elif prompt is not None and (not isinstance(prompt, str) and not isinstance(prompt, list)): + raise ValueError(f"`prompt` has to be of type `str` or `list` but is {type(prompt)}") + + if prompt is not None and negative_prompt_embeds is not None: + raise ValueError( + f"Cannot forward both `prompt`: {prompt} and `negative_prompt_embeds`:" + f" {negative_prompt_embeds}. Please make sure to only forward one of the two." + ) + + if negative_prompt is not None and negative_prompt_embeds is not None: + raise ValueError( + f"Cannot forward both `negative_prompt`: {negative_prompt} and `negative_prompt_embeds`:" + f" {negative_prompt_embeds}. Please make sure to only forward one of the two." + ) + + if prompt_embeds is not None and negative_prompt_embeds is not None: + if prompt_embeds.shape != negative_prompt_embeds.shape: + raise ValueError( + "`prompt_embeds` and `negative_prompt_embeds` must have the same shape when passed directly, but" + f" got: `prompt_embeds` {prompt_embeds.shape} != `negative_prompt_embeds`" + f" {negative_prompt_embeds.shape}." + ) + + @property + def guidance_scale(self): + return self._guidance_scale + + @property + def num_timesteps(self): + return self._num_timesteps + + @property + def attention_kwargs(self): + return self._attention_kwargs + + @property + def interrupt(self): + return self._interrupt + + @torch.no_grad() + @replace_example_docstring(EXAMPLE_DOC_STRING) + def __call__( + self, + prompt: Optional[Union[str, List[str]]] = None, + negative_prompt: Optional[Union[str, List[str]]] = None, + height: int = 480, + width: int = 720, + video: Union[torch.FloatTensor] = None, + mask_video: Union[torch.FloatTensor] = None, + control_video: Union[torch.FloatTensor] = None, + control_camera_video: Union[torch.FloatTensor] = None, + start_image: Union[torch.FloatTensor] = None, + ref_image: Union[torch.FloatTensor] = None, + num_frames: int = 49, + num_inference_steps: int = 50, + timesteps: Optional[List[int]] = None, + guidance_scale: float = 6, + num_videos_per_prompt: int = 1, + eta: float = 0.0, + generator: Optional[Union[torch.Generator, List[torch.Generator]]] = None, + latents: Optional[torch.FloatTensor] = None, + prompt_embeds: Optional[torch.FloatTensor] = None, + negative_prompt_embeds: Optional[torch.FloatTensor] = None, + output_type: str = "numpy", + return_dict: bool = False, + callback_on_step_end: Optional[ + Union[Callable[[int, int, Dict], None], PipelineCallback, MultiPipelineCallbacks] + ] = None, + attention_kwargs: Optional[Dict[str, Any]] = None, + callback_on_step_end_tensor_inputs: List[str] = ["latents"], + max_sequence_length: int = 512, + boundary: float = 0.875, + comfyui_progressbar: bool = False, + shift: int = 5, + ) -> Union[WanPipelineOutput, Tuple]: + """ + Function invoked when calling the pipeline for generation. + Args: + + Examples: + + Returns: + + """ + + if isinstance(callback_on_step_end, (PipelineCallback, MultiPipelineCallbacks)): + callback_on_step_end_tensor_inputs = callback_on_step_end.tensor_inputs + num_videos_per_prompt = 1 + + # 1. Check inputs. Raise error if not correct + self.check_inputs( + prompt, + height, + width, + negative_prompt, + callback_on_step_end_tensor_inputs, + prompt_embeds, + negative_prompt_embeds, + ) + self._guidance_scale = guidance_scale + self._attention_kwargs = attention_kwargs + self._interrupt = False + + # 2. Default call parameters + if prompt is not None and isinstance(prompt, str): + batch_size = 1 + elif prompt is not None and isinstance(prompt, list): + batch_size = len(prompt) + else: + batch_size = prompt_embeds.shape[0] + + device = self._execution_device + weight_dtype = self.text_encoder.dtype + + # here `guidance_scale` is defined analog to the guidance weight `w` of equation (2) + # of the Imagen paper: https://arxiv.org/pdf/2205.11487.pdf . `guidance_scale = 1` + # corresponds to doing no classifier free guidance. + do_classifier_free_guidance = guidance_scale > 1.0 + + # 3. Encode input prompt + prompt_embeds, negative_prompt_embeds = self.encode_prompt( + prompt, + negative_prompt, + do_classifier_free_guidance, + num_videos_per_prompt=num_videos_per_prompt, + prompt_embeds=prompt_embeds, + negative_prompt_embeds=negative_prompt_embeds, + max_sequence_length=max_sequence_length, + device=device, + ) + if do_classifier_free_guidance: + in_prompt_embeds = negative_prompt_embeds + prompt_embeds + else: + in_prompt_embeds = prompt_embeds + + # 4. Prepare timesteps + if isinstance(self.scheduler, FlowMatchEulerDiscreteScheduler): + timesteps, num_inference_steps = retrieve_timesteps(self.scheduler, num_inference_steps, device, timesteps, mu=1) + elif isinstance(self.scheduler, FlowUniPCMultistepScheduler): + self.scheduler.set_timesteps(num_inference_steps, device=device, shift=shift) + timesteps = self.scheduler.timesteps + elif isinstance(self.scheduler, FlowDPMSolverMultistepScheduler): + sampling_sigmas = get_sampling_sigmas(num_inference_steps, shift) + timesteps, _ = retrieve_timesteps( + self.scheduler, + device=device, + sigmas=sampling_sigmas) + else: + timesteps, num_inference_steps = retrieve_timesteps(self.scheduler, num_inference_steps, device, timesteps) + self._num_timesteps = len(timesteps) + if comfyui_progressbar: + from comfy.utils import ProgressBar + pbar = ProgressBar(num_inference_steps + 2) + + # 5. Prepare latents. + if video is not None: + video_length = video.shape[2] + init_video = self.image_processor.preprocess(rearrange(video, "b c f h w -> (b f) c h w"), height=height, width=width) + init_video = init_video.to(dtype=torch.float32) + init_video = rearrange(init_video, "(b f) c h w -> b c f h w", f=video_length) + else: + init_video = None + + latent_channels = self.vae.config.latent_channels + latents = self.prepare_latents( + batch_size * num_videos_per_prompt, + latent_channels, + num_frames, + height, + width, + weight_dtype, + device, + generator, + latents, + ) + if comfyui_progressbar: + pbar.update(1) + + # Prepare mask latent variables + if init_video is not None: + if (mask_video == 255).all(): + mask_latents = torch.tile( + torch.zeros_like(latents)[:, :1].to(device, weight_dtype), [1, 4, 1, 1, 1] + ) + masked_video_latents = torch.zeros_like(latents).to(device, weight_dtype) + else: + bs, _, video_length, height, width = video.size() + mask_condition = self.mask_processor.preprocess(rearrange(mask_video, "b c f h w -> (b f) c h w"), height=height, width=width) + mask_condition = mask_condition.to(dtype=torch.float32) + mask_condition = rearrange(mask_condition, "(b f) c h w -> b c f h w", f=video_length) + + masked_video = init_video * (torch.tile(mask_condition, [1, 3, 1, 1, 1]) < 0.5) + _, masked_video_latents = self.prepare_mask_latents( + None, + masked_video, + batch_size, + height, + width, + weight_dtype, + device, + generator, + do_classifier_free_guidance, + noise_aug_strength=None, + ) + + mask_condition = torch.concat( + [ + torch.repeat_interleave(mask_condition[:, :, 0:1], repeats=4, dim=2), + mask_condition[:, :, 1:] + ], dim=2 + ) + mask_condition = mask_condition.view(bs, mask_condition.shape[2] // 4, 4, height, width) + mask_condition = mask_condition.transpose(1, 2) + mask_latents = resize_mask(1 - mask_condition, masked_video_latents, True).to(device, weight_dtype) + + # Prepare mask latent variables + if control_camera_video is not None: + control_latents = None + # Rearrange dimensions + # Concatenate and transpose dimensions + control_camera_latents = torch.concat( + [ + torch.repeat_interleave(control_camera_video[:, :, 0:1], repeats=4, dim=2), + control_camera_video[:, :, 1:] + ], dim=2 + ).transpose(1, 2) + + # Reshape, transpose, and view into desired shape + b, f, c, h, w = control_camera_latents.shape + control_camera_latents = control_camera_latents.contiguous().view(b, f // 4, 4, c, h, w).transpose(2, 3) + control_camera_latents = control_camera_latents.contiguous().view(b, f // 4, c * 4, h, w).transpose(1, 2) + elif control_video is not None: + video_length = control_video.shape[2] + control_video = self.image_processor.preprocess(rearrange(control_video, "b c f h w -> (b f) c h w"), height=height, width=width) + control_video = control_video.to(dtype=torch.float32) + control_video = rearrange(control_video, "(b f) c h w -> b c f h w", f=video_length) + control_video_latents = self.prepare_control_latents( + None, + control_video, + batch_size, + height, + width, + weight_dtype, + device, + generator, + do_classifier_free_guidance + )[1] + control_camera_latents = None + else: + control_video_latents = torch.zeros_like(latents).to(device, weight_dtype) + control_camera_latents = None + + if start_image is not None: + video_length = start_image.shape[2] + start_image = self.image_processor.preprocess(rearrange(start_image, "b c f h w -> (b f) c h w"), height=height, width=width) + start_image = start_image.to(dtype=torch.float32) + start_image = rearrange(start_image, "(b f) c h w -> b c f h w", f=video_length) + + start_image_latentes = self.prepare_control_latents( + None, + start_image, + batch_size, + height, + width, + weight_dtype, + device, + generator, + do_classifier_free_guidance + )[1] + + start_image_latentes_conv_in = torch.zeros_like(latents) + if latents.size()[2] != 1: + start_image_latentes_conv_in[:, :, :1] = start_image_latentes + else: + start_image_latentes_conv_in = torch.zeros_like(latents) + + if self.transformer.config.get("add_ref_conv", False): + if ref_image is not None: + video_length = ref_image.shape[2] + ref_image = self.image_processor.preprocess(rearrange(ref_image, "b c f h w -> (b f) c h w"), height=height, width=width) + ref_image = ref_image.to(dtype=torch.float32) + ref_image = rearrange(ref_image, "(b f) c h w -> b c f h w", f=video_length) + + ref_image_latentes = self.prepare_control_latents( + None, + ref_image, + batch_size, + height, + width, + weight_dtype, + device, + generator, + do_classifier_free_guidance + )[1] + ref_image_latentes = ref_image_latentes[:, :, 0] + else: + ref_image_latentes = torch.zeros_like(latents)[:, :, 0] + else: + if ref_image is not None: + raise ValueError("The add_ref_conv is False, but ref_image is not None") + else: + ref_image_latentes = None + + if comfyui_progressbar: + pbar.update(1) + + # 6. Prepare extra step kwargs. TODO: Logic should ideally just be moved out of the pipeline + extra_step_kwargs = self.prepare_extra_step_kwargs(generator, eta) + + target_shape = (self.vae.latent_channels, (num_frames - 1) // self.vae.temporal_compression_ratio + 1, width // self.vae.spatial_compression_ratio, height // self.vae.spatial_compression_ratio) + seq_len = math.ceil((target_shape[2] * target_shape[3]) / (self.transformer.config.patch_size[1] * self.transformer.config.patch_size[2]) * target_shape[1]) + # 7. Denoising loop + num_warmup_steps = max(len(timesteps) - num_inference_steps * self.scheduler.order, 0) + self.transformer.num_inference_steps = num_inference_steps + with self.progress_bar(total=num_inference_steps) as progress_bar: + for i, t in enumerate(timesteps): + self.transformer.current_steps = i + + if self.interrupt: + continue + + latent_model_input = torch.cat([latents] * 2) if do_classifier_free_guidance else latents + if hasattr(self.scheduler, "scale_model_input"): + latent_model_input = self.scheduler.scale_model_input(latent_model_input, t) + + # Prepare mask latent variables + if control_camera_video is not None: + control_latents_input = None + control_camera_latents_input = ( + torch.cat([control_camera_latents] * 2) if do_classifier_free_guidance else control_camera_latents + ).to(device, weight_dtype) + else: + control_latents_input = ( + torch.cat([control_video_latents] * 2) if do_classifier_free_guidance else control_video_latents + ).to(device, weight_dtype) + control_camera_latents_input = None + + if init_video is not None: + mask_input = torch.cat([mask_latents] * 2) if do_classifier_free_guidance else mask_latents + masked_video_latents_input = ( + torch.cat([masked_video_latents] * 2) if do_classifier_free_guidance else masked_video_latents + ) + y = torch.cat([mask_input, masked_video_latents_input], dim=1).to(device, weight_dtype) + control_latents_input = y if control_latents_input is None else \ + torch.cat([control_latents_input, y], dim = 1) + else: + start_image_latentes_conv_in_input = ( + torch.cat([start_image_latentes_conv_in] * 2) if do_classifier_free_guidance else start_image_latentes_conv_in + ).to(device, weight_dtype) + control_latents_input = start_image_latentes_conv_in_input if control_latents_input is None else \ + torch.cat([control_latents_input, start_image_latentes_conv_in_input], dim = 1) + + if ref_image_latentes is not None: + full_ref = ( + torch.cat([ref_image_latentes] * 2) if do_classifier_free_guidance else ref_image_latentes + ).to(device, weight_dtype) + else: + full_ref = None + + # broadcast to batch dimension in a way that's compatible with ONNX/Core ML + timestep = t.expand(latent_model_input.shape[0]) + + if self.transformer_2 is not None: + if t >= boundary * self.scheduler.config.num_train_timesteps: + local_transformer = self.transformer_2 + else: + local_transformer = self.transformer + else: + local_transformer = self.transformer + + # predict noise model_output + with torch.cuda.amp.autocast(dtype=weight_dtype), torch.cuda.device(device=device): + noise_pred = local_transformer( + x=latent_model_input, + context=in_prompt_embeds, + t=timestep, + seq_len=seq_len, + y=control_latents_input, + y_camera=control_camera_latents_input, + full_ref=full_ref, + ) + + # perform guidance + if do_classifier_free_guidance: + noise_pred_uncond, noise_pred_text = noise_pred.chunk(2) + noise_pred = noise_pred_uncond + self.guidance_scale * (noise_pred_text - noise_pred_uncond) + + # compute the previous noisy sample x_t -> x_t-1 + latents = self.scheduler.step(noise_pred, t, latents, **extra_step_kwargs, return_dict=False)[0] + + if callback_on_step_end is not None: + callback_kwargs = {} + for k in callback_on_step_end_tensor_inputs: + callback_kwargs[k] = locals()[k] + callback_outputs = callback_on_step_end(self, i, t, callback_kwargs) + + latents = callback_outputs.pop("latents", latents) + prompt_embeds = callback_outputs.pop("prompt_embeds", prompt_embeds) + negative_prompt_embeds = callback_outputs.pop("negative_prompt_embeds", negative_prompt_embeds) + + if i == len(timesteps) - 1 or ((i + 1) > num_warmup_steps and (i + 1) % self.scheduler.order == 0): + progress_bar.update() + if comfyui_progressbar: + pbar.update(1) + + if output_type == "numpy": + video = self.decode_latents(latents) + elif not output_type == "latent": + video = self.decode_latents(latents) + video = self.video_processor.postprocess_video(video=video, output_type=output_type) + else: + video = latents + + # Offload all models + self.maybe_free_model_hooks() + + if not return_dict: + video = torch.from_numpy(video) + + return WanPipelineOutput(videos=video) diff --git a/videox_fun/pipeline/pipeline_wan2_2_i2v.py b/videox_fun/pipeline/pipeline_wan2_2_fun_inpaint.py similarity index 98% rename from videox_fun/pipeline/pipeline_wan2_2_i2v.py rename to videox_fun/pipeline/pipeline_wan2_2_fun_inpaint.py index 6a719fc..e422099 100644 --- a/videox_fun/pipeline/pipeline_wan2_2_i2v.py +++ b/videox_fun/pipeline/pipeline_wan2_2_fun_inpaint.py @@ -148,7 +148,7 @@ class WanPipelineOutput(BaseOutput): videos: torch.Tensor -class Wan2_2I2VPipeline(DiffusionPipeline): +class Wan2_2FunInpaintPipeline(DiffusionPipeline): r""" Pipeline for text-to-video generation using Wan. @@ -180,10 +180,10 @@ class Wan2_2I2VPipeline(DiffusionPipeline): tokenizer=tokenizer, text_encoder=text_encoder, vae=vae, transformer=transformer, transformer_2=transformer_2, scheduler=scheduler ) - self.video_processor = VideoProcessor(vae_scale_factor=self.vae.spacial_compression_ratio) - self.image_processor = VaeImageProcessor(vae_scale_factor=self.vae.spacial_compression_ratio) + self.video_processor = VideoProcessor(vae_scale_factor=self.vae.spatial_compression_ratio) + self.image_processor = VaeImageProcessor(vae_scale_factor=self.vae.spatial_compression_ratio) self.mask_processor = VaeImageProcessor( - vae_scale_factor=self.vae.spacial_compression_ratio, do_normalize=False, do_binarize=True, do_convert_grayscale=True + vae_scale_factor=self.vae.spatial_compression_ratio, do_normalize=False, do_binarize=True, do_convert_grayscale=True ) def _get_t5_prompt_embeds( @@ -324,8 +324,8 @@ class Wan2_2I2VPipeline(DiffusionPipeline): batch_size, num_channels_latents, (num_frames - 1) // self.vae.temporal_compression_ratio + 1, - height // self.vae.spacial_compression_ratio, - width // self.vae.spacial_compression_ratio, + height // self.vae.spatial_compression_ratio, + width // self.vae.spatial_compression_ratio, ) if latents is None: @@ -644,7 +644,7 @@ class Wan2_2I2VPipeline(DiffusionPipeline): # 6. Prepare extra step kwargs. TODO: Logic should ideally just be moved out of the pipeline extra_step_kwargs = self.prepare_extra_step_kwargs(generator, eta) - target_shape = (self.vae.latent_channels, (num_frames - 1) // self.vae.temporal_compression_ratio + 1, width // self.vae.spacial_compression_ratio, height // self.vae.spacial_compression_ratio) + target_shape = (self.vae.latent_channels, (num_frames - 1) // self.vae.temporal_compression_ratio + 1, width // self.vae.spatial_compression_ratio, height // self.vae.spatial_compression_ratio) seq_len = math.ceil((target_shape[2] * target_shape[3]) / (self.transformer.config.patch_size[1] * self.transformer.config.patch_size[2]) * target_shape[1]) # 7. Denoising loop num_warmup_steps = max(len(timesteps) - num_inference_steps * self.scheduler.order, 0) diff --git a/videox_fun/pipeline/pipeline_wan_fun_control.py b/videox_fun/pipeline/pipeline_wan_fun_control.py index 80bba08..4d4ec75 100755 --- a/videox_fun/pipeline/pipeline_wan_fun_control.py +++ b/videox_fun/pipeline/pipeline_wan_fun_control.py @@ -181,10 +181,10 @@ class WanFunControlPipeline(DiffusionPipeline): tokenizer=tokenizer, text_encoder=text_encoder, vae=vae, transformer=transformer, clip_image_encoder=clip_image_encoder, scheduler=scheduler ) - self.video_processor = VideoProcessor(vae_scale_factor=self.vae.spacial_compression_ratio) - self.image_processor = VaeImageProcessor(vae_scale_factor=self.vae.spacial_compression_ratio) + self.video_processor = VideoProcessor(vae_scale_factor=self.vae.spatial_compression_ratio) + self.image_processor = VaeImageProcessor(vae_scale_factor=self.vae.spatial_compression_ratio) self.mask_processor = VaeImageProcessor( - vae_scale_factor=self.vae.spacial_compression_ratio, do_normalize=False, do_binarize=True, do_convert_grayscale=True + vae_scale_factor=self.vae.spatial_compression_ratio, do_normalize=False, do_binarize=True, do_convert_grayscale=True ) def _get_t5_prompt_embeds( @@ -325,8 +325,8 @@ class WanFunControlPipeline(DiffusionPipeline): batch_size, num_channels_latents, (num_frames - 1) // self.vae.temporal_compression_ratio + 1, - height // self.vae.spacial_compression_ratio, - width // self.vae.spacial_compression_ratio, + height // self.vae.spatial_compression_ratio, + width // self.vae.spatial_compression_ratio, ) if latents is None: @@ -698,7 +698,7 @@ class WanFunControlPipeline(DiffusionPipeline): # 6. Prepare extra step kwargs. TODO: Logic should ideally just be moved out of the pipeline extra_step_kwargs = self.prepare_extra_step_kwargs(generator, eta) - target_shape = (self.vae.latent_channels, (num_frames - 1) // self.vae.temporal_compression_ratio + 1, width // self.vae.spacial_compression_ratio, height // self.vae.spacial_compression_ratio) + target_shape = (self.vae.latent_channels, (num_frames - 1) // self.vae.temporal_compression_ratio + 1, width // self.vae.spatial_compression_ratio, height // self.vae.spatial_compression_ratio) seq_len = math.ceil((target_shape[2] * target_shape[3]) / (self.transformer.config.patch_size[1] * self.transformer.config.patch_size[2]) * target_shape[1]) # 7. Denoising loop num_warmup_steps = max(len(timesteps) - num_inference_steps * self.scheduler.order, 0) diff --git a/videox_fun/pipeline/pipeline_wan_fun_inpaint.py b/videox_fun/pipeline/pipeline_wan_fun_inpaint.py index 916593b..35f3b96 100755 --- a/videox_fun/pipeline/pipeline_wan_fun_inpaint.py +++ b/videox_fun/pipeline/pipeline_wan_fun_inpaint.py @@ -180,10 +180,10 @@ class WanFunInpaintPipeline(DiffusionPipeline): tokenizer=tokenizer, text_encoder=text_encoder, vae=vae, transformer=transformer, clip_image_encoder=clip_image_encoder, scheduler=scheduler ) - self.video_processor = VideoProcessor(vae_scale_factor=self.vae.spacial_compression_ratio) - self.image_processor = VaeImageProcessor(vae_scale_factor=self.vae.spacial_compression_ratio) + self.video_processor = VideoProcessor(vae_scale_factor=self.vae.spatial_compression_ratio) + self.image_processor = VaeImageProcessor(vae_scale_factor=self.vae.spatial_compression_ratio) self.mask_processor = VaeImageProcessor( - vae_scale_factor=self.vae.spacial_compression_ratio, do_normalize=False, do_binarize=True, do_convert_grayscale=True + vae_scale_factor=self.vae.spatial_compression_ratio, do_normalize=False, do_binarize=True, do_convert_grayscale=True ) def _get_t5_prompt_embeds( @@ -324,8 +324,8 @@ class WanFunInpaintPipeline(DiffusionPipeline): batch_size, num_channels_latents, (num_frames - 1) // self.vae.temporal_compression_ratio + 1, - height // self.vae.spacial_compression_ratio, - width // self.vae.spacial_compression_ratio, + height // self.vae.spatial_compression_ratio, + width // self.vae.spatial_compression_ratio, ) if latents is None: @@ -653,7 +653,7 @@ class WanFunInpaintPipeline(DiffusionPipeline): # 6. Prepare extra step kwargs. TODO: Logic should ideally just be moved out of the pipeline extra_step_kwargs = self.prepare_extra_step_kwargs(generator, eta) - target_shape = (self.vae.latent_channels, (num_frames - 1) // self.vae.temporal_compression_ratio + 1, width // self.vae.spacial_compression_ratio, height // self.vae.spacial_compression_ratio) + target_shape = (self.vae.latent_channels, (num_frames - 1) // self.vae.temporal_compression_ratio + 1, width // self.vae.spatial_compression_ratio, height // self.vae.spatial_compression_ratio) seq_len = math.ceil((target_shape[2] * target_shape[3]) / (self.transformer.config.patch_size[1] * self.transformer.config.patch_size[2]) * target_shape[1]) # 7. Denoising loop num_warmup_steps = max(len(timesteps) - num_inference_steps * self.scheduler.order, 0) diff --git a/videox_fun/pipeline/pipeline_wan_phantom.py b/videox_fun/pipeline/pipeline_wan_phantom.py index 2935089..fd993b0 100644 --- a/videox_fun/pipeline/pipeline_wan_phantom.py +++ b/videox_fun/pipeline/pipeline_wan_phantom.py @@ -180,10 +180,10 @@ class WanFunPhantomPipeline(DiffusionPipeline): tokenizer=tokenizer, text_encoder=text_encoder, vae=vae, transformer=transformer, scheduler=scheduler ) - self.video_processor = VideoProcessor(vae_scale_factor=self.vae.spacial_compression_ratio) - self.image_processor = VaeImageProcessor(vae_scale_factor=self.vae.spacial_compression_ratio) + self.video_processor = VideoProcessor(vae_scale_factor=self.vae.spatial_compression_ratio) + self.image_processor = VaeImageProcessor(vae_scale_factor=self.vae.spatial_compression_ratio) self.mask_processor = VaeImageProcessor( - vae_scale_factor=self.vae.spacial_compression_ratio, do_normalize=False, do_binarize=True, do_convert_grayscale=True + vae_scale_factor=self.vae.spatial_compression_ratio, do_normalize=False, do_binarize=True, do_convert_grayscale=True ) def _get_t5_prompt_embeds( @@ -324,8 +324,8 @@ class WanFunPhantomPipeline(DiffusionPipeline): batch_size, num_channels_latents, (num_frames - 1) // self.vae.temporal_compression_ratio + 1, - height // self.vae.spacial_compression_ratio, - width // self.vae.spacial_compression_ratio, + height // self.vae.spatial_compression_ratio, + width // self.vae.spatial_compression_ratio, ) if latents is None: @@ -617,7 +617,7 @@ class WanFunPhantomPipeline(DiffusionPipeline): # 6. Prepare extra step kwargs. TODO: Logic should ideally just be moved out of the pipeline extra_step_kwargs = self.prepare_extra_step_kwargs(generator, eta) - target_shape = (self.vae.latent_channels, (num_frames - 1) // self.vae.temporal_compression_ratio + 1, width // self.vae.spacial_compression_ratio, height // self.vae.spacial_compression_ratio) + target_shape = (self.vae.latent_channels, (num_frames - 1) // self.vae.temporal_compression_ratio + 1, width // self.vae.spatial_compression_ratio, height // self.vae.spatial_compression_ratio) seq_len = math.ceil((target_shape[2] * target_shape[3]) / (self.transformer.config.patch_size[1] * self.transformer.config.patch_size[2]) * target_shape[1]) # 7. Denoising loop num_warmup_steps = max(len(timesteps) - num_inference_steps * self.scheduler.order, 0)