diff --git a/.gitignore b/.gitignore
index 313b49c..fe2369e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+models
__pycache__
-RIFE_RTX_ENGINE.cache
-*.bak
\ No newline at end of file
+.vscode
+.bak
\ No newline at end of file
diff --git a/.gitignore.bak b/.gitignore.bak
new file mode 100644
index 0000000..236f609
--- /dev/null
+++ b/.gitignore.bak
@@ -0,0 +1,3 @@
+models
+__pycache__
+.vscode
\ No newline at end of file
diff --git a/LICENSE b/LICENSE
index 7a4a3ea..bfef380 100644
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+++ b/LICENSE
@@ -1,202 +1,437 @@
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diff --git a/README.md b/README.md
index 2fbaf6e..8709c42 100644
--- a/README.md
+++ b/README.md
@@ -1,76 +1,115 @@
-# ComfyUI RIFE TensorRT-RTX
+
-[](https://www.python.org/downloads/release/python-31313/)
-[](https://developer.nvidia.com/cuda-downloads)
-[](https://developer.nvidia.com/tensorrt)
+# ComfyUI Rife TensorRT ⚡
+
+[](https://www.python.org/downloads/)
+[](https://developer.nvidia.com/cuda-13-0-2-download-archive)
+[](https://developer.nvidia.com/tensorrt)
[](https://creativecommons.org/licenses/by-nc-sa/4.0/deed.en)
-## Overview
-
-This project is a fork of the original [ComfyUI_RIFE_TensorRT_Auto](https://github.com/silveroxides/ComfyUI_RIFE_TensorRT_Auto) by [silveroxides](https://github.com/silveroxides).
-This project uses TensorRT-RTX to do RIFE interpolation
-
-## Features
-- **NVIDIA TensorRT Acceleration**: Leverages Tensor Cores for up to 30x faster frame interpolation compared to standard local methods.
-- **Dynamic Shape Support**: Configure minimum, optimal, and maximum resolutions to handle varying input sizes without rebuilding the engine for every image.
-- **Automatic Engine Building**: Automatically compiles specialized `.trt` files from your `.onnx` models if a matching engine isn't found.
-- **Persistent Timing Cache**: Saves hardware-specific optimization data to a local cache to speed up subsequent engine builds.
-- **Memory Efficient**: Optimized for VRAM management with automatic garbage collection and cache clearing after inference.
+
-## Examples
+
-
+This project provides a [TensorRT](https://github.com/NVIDIA/TensorRT) implementation of [RIFE](https://github.com/hzwer/ECCV2022-RIFE) for ultra fast frame interpolation inside ComfyUI
-## Installation
+This project is licensed under [CC BY-NC-SA](https://creativecommons.org/licenses/by-nc-sa/4.0/), everyone is FREE to access, use, modify and redistribute with the same license.
-### ComfyUI Manager
+If you like the project, please give me a star! ⭐
-This project has not been submitted to the ComfyUI Manager registry yet. But you can still install it this way:
+---
-1. Open ComfyUI Manager.
-2. Click the `Custom Nodes Manager` to open the custom nodes manager page.
-3. On the bottom right corner, click the `Install via Git URL` button.
-4. Enter the URL of this repository: `https://github.com/ThreadsOfFate/ComfyUI-RIFE-TensorRT-RTX`
-5. Click "Confirm".
-6. Restart ComfyUI.
+## ⏱️ Performance
-### Manual
+_Note: The following results were benchmarked on FP16 engines inside ComfyUI, using 2000 frames consisting of 2 alternating similar frames, averaged 2-3 times_
-1. On the github page, click on the green `<> Code` button and then "Download ZIP".
-2. Extract the root folder within the downloaded ZIP file to your ComfyUI `custom_nodes` directory.
-3. Using the same python environment that runs ComfyUI, install the required dependencies: `python -m pip install -r custom_nodes/ComfyUI-Upscaler-TensorRT-Advanced/requirements.txt`.
-4. Restart ComfyUI.
+| Device | Rife Engine | Resolution| Multiplier | FPS |
+| :----: | :-: | :-: | :-: | :-: |
+| H100 | rife49_ensemble_True_scale_1_sim | 512 x 512 | 2 | 45 |
+| H100 | rife49_ensemble_True_scale_1_sim | 512 x 512 | 4 | 57 |
+| H100 | rife49_ensemble_True_scale_1_sim | 1280 x 1280 | 2 | 21 |
+## 🚀 Installation
-### Requirements
+Navigate to the ComfyUI `/custom_nodes` directory
+
+```bash
+git clone https://github.com/yuvraj108c/ComfyUI-Rife-Tensorrt
+cd ./ComfyUI-Rife-Tensorrt
pip install -r requirements.txt
+```
+### ⚠️ CUDA Version Selection
-### CUDA Toolkit Required
-Please download NVIDIA CUDA Toolkit [https://developer.nvidia.com/cuda/toolkit](https://developer.nvidia.com/cuda/toolkit)
+This node defaults to **CUDA 13** (RTX 50 series, driver 580+).
-###Nodes Included
-🟦 RIFE RTX Engine Builder (RIFERTXEngineLoader)
- Loads a TensorRT-RTX engine. If the engine file for your specific GPU and resolution settings does not exist, it will automatically build one from the source ONNX model.
-🟦 RIFE RTX Frame Interpolation (RIFERTXFrameInterpolation)
- The core execution node. It takes an image and a loaded engine to perform the upscale. It supports an optional resize input for custom final dimensions.
-🟦 RIFE RTX Engine Config (RIFERTXEngineConfig)
- Allows you to define the resolution bounds (min/opt/max) for the engine.
- Min/Max: The range of resolutions the engine can handle.
- Opt: The resolution the engine is most optimized for.
-
-
-GPU: NVIDIA RTX Series (TensorRT-RTX requires Tensor Cores).
-Software: NVIDIA Drivers and a compatible version of TensorRT (handled via requirements.txt).
+**For CUDA 12 (RTX 30/40 series):**
+```bash
+pip install -r requirements_cu12.txt
+```
-###Troubleshooting
-First Build Time: The first time you load a model with new shape settings, it may take several minutes to compile the engine. Check the console for progress via the TQDM bar.
-VRAM Errors: If the build fails, try reducing the width_max or height_max in the Dynamic Shape Config.
+**For CUDA 13 (Default):**
+```bash
+pip install -r requirements.txt
+```
+### 📦 CUDA Toolkit Required
-## 🛠️ Supported Models
+The node automatically detects your CUDA installation via `CUDA_PATH` or `CUDA_HOME` environment variables.
-rife47_ensemble_True_scale_1_sim
-rife48_ensemble_True_scale_1_sim
-rife49_ensemble_True_scale_1_sim
+If CUDA is not detected, download from: https://developer.nvidia.com/cuda-13-0-2-download-archive
+
+### 🎯 Resolution Profiles
+
+The node supports resolution profiles to optimize VRAM usage:
+- **small**: 480-896px (recommended for most video generation)
+- **medium**: 720-1280px (for higher resolution videos)
+- **custom**: Connect a "RIFE Custom Resolution Config" node for manual control
+
+The following RIFE models are supported and will be automatically downloaded and built:
+ - **rife49_ensemble_True_scale_1_sim** (default) - Latest and most accurate
+ - **rife48_ensemble_True_scale_1_sim** - Good balance of speed and quality
+ - **rife47_ensemble_True_scale_1_sim** - Fastest option
+
+Models are automatically downloaded from [HuggingFace](https://huggingface.co/yuvraj108c/rife-onnx) and TensorRT engines are built on first use.
+
+## ☀️ Usage
+
+1. **Load Model**: Insert `Right Click -> Add Node -> tensorrt -> Load Rife Tensorrt Model`
+ - Choose your preferred RIFE model (rife47, rife48, or rife49)
+ - Select precision (fp16 recommended for speed, fp32 for maximum accuracy)
+ - Select resolution profile (small, medium, or custom)
+ - The model will be automatically downloaded and TensorRT engine built on first use
+
+2. **Process Frames**: Insert `Right Click -> Add Node -> tensorrt -> Rife Tensorrt`
+ - Connect the loaded model from step 1
+ - Input your video frames
+ - Configure interpolation settings (multiplier, CUDA graph, etc.)
+
+## 🤖 Environment tested
+
+- Windows 11, CUDA 13.0, TensorRT 10.14.1.48, Python 3.12, RTX 5070 Ti
+- WSL Ubuntu 24.04.03 LTS, CUDA 12.9, TensorRT 10.13.3.9, Python 3.12.11, RTX 5080
+
+## 🚨 Updates
+
+### January 2026
+- **CUDA 13 Default**: Updated to CUDA 13.0 and TensorRT 10.14.1.48
+- **Auto CUDA Detection**: Automatically finds CUDA toolkit and DLL paths
+- **Resolution Profiles**: Added small/medium/custom profiles to reduce VRAM usage
+
+### December 2025
+- **Automatic Model Management**: No more manual downloads! Models are automatically downloaded from HuggingFace and TensorRT engines are built on demand
+- **Improved Workflow**: New two-node system with `Load Rife Tensorrt Model` + `Rife Tensorrt` for better organization
+- **Updated Dependencies**: TensorRT updated to 10.13.3.9 for better performance and compatibility
+
+## 👏 Credits
+
+- https://github.com/styler00dollar/VSGAN-tensorrt-docker
+- https://github.com/Fannovel16/ComfyUI-Frame-Interpolation
+- https://github.com/hzwer/ECCV2022-RIFE
+
+## License
+
+[Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)](https://creativecommons.org/licenses/by-nc-sa/4.0/)
diff --git a/__init__.py b/__init__.py
index a6d53a9..cbb82a2 100644
--- a/__init__.py
+++ b/__init__.py
@@ -1,20 +1,324 @@
-"""ComfyUI-Rife-TensorRT Extension Initialization.
+import torch
+import os
+import sys
+from pathlib import Path
+from comfy.model_management import get_torch_device
+from .vfi_utilities import preprocess_frames, postprocess_frames, generate_frames_rife, logger
+from .trt_utilities import Engine
+from .utilities import download_file, ColoredLogger
+import folder_paths
+import time
-This module acts as the entry point for ComfyUI, exporting the node classes
-and display names required to register the TensorRT-RTX RIFE implementation
-into the ComfyUI node graph.
+# Auto-detect CUDA toolkit and add DLL path before importing polygraphy
+def _setup_cuda_dll_path():
+ """Auto-detect CUDA toolkit and add cudart64 DLL path on Windows."""
+ if not sys.platform.startswith("win"):
+ return
+
+ cuda_root = None
+
+ # Check for CUDA_PATH or CUDA_HOME environment variables
+ cuda_root = os.environ.get("CUDA_PATH") or os.environ.get("CUDA_HOME")
+
+ if not cuda_root:
+ # Try default Windows install location
+ program_files = os.environ.get("PROGRAMFILES")
+ if program_files:
+ cuda_base = Path(program_files) / "NVIDIA GPU Computing Toolkit" / "CUDA"
+ if cuda_base.exists():
+ # Find highest version directory
+ versions = sorted([d for d in cuda_base.iterdir() if d.is_dir()], reverse=True)
+ if versions:
+ cuda_root = str(versions[0])
+
+ if cuda_root:
+ cuda_path = Path(cuda_root)
+ # CUDA 13.0+ puts cudart64 in bin/x64 subdirectory
+ cuda_bin_x64 = cuda_path / "bin" / "x64"
+ if cuda_bin_x64.exists() and any(cuda_bin_x64.glob("cudart64*.dll")):
+ os.add_dll_directory(str(cuda_bin_x64))
+ return
+ # Fallback to regular bin directory for older CUDA versions
+ cuda_bin = cuda_path / "bin"
+ if cuda_bin.exists() and any(cuda_bin.glob("cudart64*.dll")):
+ os.add_dll_directory(str(cuda_bin))
+ return
+
+ # CUDA toolkit not found - print warning with download link
+ print("[ComfyUI-Rife-TensorRT] WARNING: CUDA toolkit not found.")
+ print(" Set CUDA_PATH environment variable or install CUDA toolkit.")
+ print(" Download: https://developer.nvidia.com/cuda-13-0-2-download-archive")
-Attributes:
- NODE_CLASS_MAPPINGS (dict): Maps internal lookup strings to node classes.
- NODE_DISPLAY_NAME_MAPPINGS (dict): Maps internal lookup strings to
- human-readable UI names.
- WEB_DIRECTORY (str): Path to the directory containing frontend
- javascript extensions.
-"""
+_setup_cuda_dll_path()
-from .nodes import NODE_CLASS_MAPPINGS, NODE_DISPLAY_NAME_MAPPINGS
+from polygraphy import cuda
+import comfy.model_management as mm
+import tensorrt
+import json
-WEB_DIRECTORY = "./js"
+ENGINE_DIR = os.path.join(folder_paths.models_dir, "tensorrt", "rife")
+
+# Default resolution profiles (fallback if config is missing)
+DEFAULT_RESOLUTION_PROFILES = {
+ "small": {"min": 384, "opt": 720, "max": 1080},
+ "medium": {"min": 672, "opt": 1080, "max": 1312}
+}
+
+# Logger for this module
+rife_logger = ColoredLogger("ComfyUI-Rife-Tensorrt")
+
+# Function to load configuration
+def load_node_config(config_filename="load_rife_config.json"):
+ """Loads node configuration from a JSON file."""
+ current_dir = os.path.dirname(__file__)
+ config_path = os.path.join(current_dir, config_filename)
+
+ default_config = {
+ "model": {
+ "options": ["rife49_ensemble_True_scale_1_sim"],
+ "default": "rife49_ensemble_True_scale_1_sim",
+ "tooltip": "Default model (fallback from code)"
+ },
+ "precision": {
+ "options": ["fp16", "fp32"],
+ "default": "fp16",
+ "tooltip": "Default precision (fallback from code)"
+ }
+ }
+
+ try:
+ with open(config_path, 'r') as f:
+ config = json.load(f)
+ rife_logger.info(f"Successfully loaded configuration from {config_filename}")
+ return config
+ except FileNotFoundError:
+ rife_logger.warning(f"Configuration file '{config_path}' not found. Using default fallback configuration.")
+ return default_config
+ except json.JSONDecodeError:
+ rife_logger.error(f"Error decoding JSON from '{config_path}'. Using default fallback configuration.")
+ return default_config
+ except Exception as e:
+ rife_logger.error(f"An unexpected error occurred while loading '{config_path}': {e}. Using default fallback.")
+ return default_config
+
+# Load the configuration once when the module is imported
+LOAD_RIFE_NODE_CONFIG = load_node_config()
+
+
+class CustomResolutionConfig:
+ """Node to configure custom resolution dimensions for TensorRT engine building."""
+ @classmethod
+ def INPUT_TYPES(s):
+ return {
+ "required": {
+ "min_dim": ("INT", {"default": 384, "min": 64, "max": 4096, "step": 8, "tooltip": "Minimum resolution dimension"}),
+ "opt_dim": ("INT", {"default": 720, "min": 64, "max": 4096, "step": 8, "tooltip": "Optimal resolution dimension (most common)"}),
+ "max_dim": ("INT", {"default": 1312, "min": 64, "max": 4096, "step": 8, "tooltip": "Maximum resolution dimension"}),
+ }
+ }
+
+ RETURN_TYPES = ("RIFE_RESOLUTION_CONFIG",)
+ RETURN_NAMES = ("resolution_config",)
+ FUNCTION = "configure"
+ CATEGORY = "tensorrt"
+ DESCRIPTION = "Configure custom resolution dimensions for RIFE TensorRT engine."
+
+ def configure(self, min_dim, opt_dim, max_dim):
+ config = {
+ "min": min_dim,
+ "opt": opt_dim,
+ "max": max_dim,
+ }
+ return (config,)
+
+
+class AutoLoadRifeTensorrtModel:
+ @classmethod
+ def INPUT_TYPES(cls):
+ # Use the pre-loaded configuration
+ model_config = LOAD_RIFE_NODE_CONFIG.get("model", {})
+ precision_config = LOAD_RIFE_NODE_CONFIG.get("precision", {})
+
+ # Provide sensible defaults if keys are missing in the config
+ model_options = model_config.get("options", ["rife49_ensemble_True_scale_1_sim"])
+ model_default = model_config.get("default", "rife49_ensemble_True_scale_1_sim")
+ model_tooltip = model_config.get("tooltip", "Select a RIFE model.")
+
+ precision_options = precision_config.get("options", ["fp16", "fp32"])
+ precision_default = precision_config.get("default", "fp16")
+ precision_tooltip = precision_config.get("tooltip", "Select precision.")
+
+ # Resolution profile configuration
+ profile_config = LOAD_RIFE_NODE_CONFIG.get("resolution_profile", {})
+ profile_options = profile_config.get("options", ["small", "medium"])
+ # Ensure 'custom' is always available
+ if "custom" not in profile_options:
+ profile_options = profile_options + ["custom"]
+ profile_default = profile_config.get("default", "small")
+ profile_tooltip = profile_config.get("tooltip", "Resolution range for TensorRT engine. Use 'custom' with the INT inputs below.")
+
+ return {
+ "required": {
+ "model": (model_options, {"default": model_default, "tooltip": model_tooltip}),
+ "precision": (precision_options, {"default": precision_default, "tooltip": precision_tooltip}),
+ "resolution_profile": (profile_options, {"default": profile_default, "tooltip": profile_tooltip}),
+ },
+ "optional": {
+ "custom_config": ("RIFE_RESOLUTION_CONFIG", {"tooltip": "Custom resolution config (used when profile='custom')"}),
+ }
+ }
+
+ RETURN_NAMES = ("rife_trt_model",)
+ RETURN_TYPES = ("RIFE_TRT_MODEL",)
+ CATEGORY = "tensorrt"
+ DESCRIPTION = "Load RIFE tensorrt models, they will be built automatically if not found."
+ FUNCTION = "load_rife_tensorrt_model"
+
+ def load_rife_tensorrt_model(self, model, precision, resolution_profile, custom_config=None):
+ tensorrt_models_dir = os.path.join(folder_paths.models_dir, "tensorrt", "rife")
+ onnx_models_dir = os.path.join(folder_paths.models_dir, "onnx")
+
+ os.makedirs(tensorrt_models_dir, exist_ok=True)
+ os.makedirs(onnx_models_dir, exist_ok=True)
+
+ onnx_model_path = os.path.join(onnx_models_dir, f"{model}.onnx")
+
+ # Get resolution dimensions based on profile
+ if resolution_profile == "custom":
+ if custom_config is None:
+ rife_logger.warning("Custom profile selected but no custom_config provided. Using defaults that cover both small and medium ranges.")
+ dim_min, dim_opt, dim_max = 384, 720, 1312
+ else:
+ dim_min = custom_config.get("min", 384)
+ dim_opt = custom_config.get("opt", 720)
+ dim_max = custom_config.get("max", 1312)
+ # Use dimensions in profile name for custom engines
+ profile_name = f"custom_{dim_min}_{dim_opt}_{dim_max}"
+ else:
+ profiles = LOAD_RIFE_NODE_CONFIG.get("resolution_profiles", DEFAULT_RESOLUTION_PROFILES)
+ profile = profiles.get(resolution_profile, DEFAULT_RESOLUTION_PROFILES["small"])
+ dim_min = profile.get("min", 384)
+ dim_opt = profile.get("opt", 720)
+ dim_max = profile.get("max", 1080)
+ profile_name = resolution_profile
+ rife_logger.info(f"Using resolution profile '{profile_name}': min={dim_min}, opt={dim_opt}, max={dim_max}")
+
+ # Build tensorrt model path with detailed naming (includes profile)
+ engine_channel = 3
+ engine_min_batch, engine_opt_batch, engine_max_batch = 1, 1, 1
+ engine_min_h, engine_opt_h, engine_max_h = dim_min, dim_opt, dim_max
+ engine_min_w, engine_opt_w, engine_max_w = dim_min, dim_opt, dim_max
+ tensorrt_model_path = os.path.join(tensorrt_models_dir, f"{model}_{precision}_{profile_name}_{engine_min_batch}x{engine_channel}x{engine_min_h}x{engine_min_w}_{engine_opt_batch}x{engine_channel}x{engine_opt_h}x{engine_opt_w}_{engine_max_batch}x{engine_channel}x{engine_max_h}x{engine_max_w}_{tensorrt.__version__}.trt")
+
+ if not os.path.exists(tensorrt_model_path):
+ if not os.path.exists(onnx_model_path):
+ onnx_model_download_url = f"https://huggingface.co/yuvraj108c/rife-onnx/resolve/main/{model}.onnx"
+ rife_logger.info(f"Downloading {onnx_model_download_url}")
+ download_file(url=onnx_model_download_url, save_path=onnx_model_path)
+ else:
+ rife_logger.info(f"ONNX model found at: {onnx_model_path}")
+
+ rife_logger.info(f"Building TensorRT engine for {onnx_model_path}: {tensorrt_model_path}")
+ mm.soft_empty_cache()
+ s = time.time()
+ engine = Engine(tensorrt_model_path)
+ engine.build(
+ onnx_path=onnx_model_path,
+ fp16=True if precision == "fp16" else False,
+ input_profile=[
+ {
+ "img0": [(engine_min_batch, engine_channel, engine_min_h, engine_min_w), (engine_opt_batch, engine_channel, engine_opt_h, engine_opt_w), (engine_max_batch, engine_channel, engine_max_h, engine_max_w)],
+ "img1": [(engine_min_batch, engine_channel, engine_min_h, engine_min_w), (engine_opt_batch, engine_channel, engine_opt_h, engine_opt_w), (engine_max_batch, engine_channel, engine_max_h, engine_max_w)],
+ }
+ ],
+ )
+ e = time.time()
+ rife_logger.info(f"Time taken to build: {(e-s)} seconds")
+
+ rife_logger.info(f"Loading TensorRT engine: {tensorrt_model_path}")
+ mm.soft_empty_cache()
+ engine = Engine(tensorrt_model_path)
+ engine.load()
+
+ return (engine,)
+
+class AutoRifeTensorrt:
+ @classmethod
+ def INPUT_TYPES(s):
+ return {
+ "required": {
+ "frames": ("IMAGE", {"tooltip": "Input frames for video frame interpolation"}),
+ "rife_trt_model": ("RIFE_TRT_MODEL", {"tooltip": "Tensorrt model built and loaded"}),
+ "clear_cache_after_n_frames": ("INT", {"default": 100, "min": 1, "max": 1000, "tooltip": "Clear CUDA cache after processing this many frames"}),
+ "multiplier": ("INT", {"default": 2, "min": 1, "tooltip": "Frame interpolation multiplier"}),
+ "use_cuda_graph": ("BOOLEAN", {"default": True, "tooltip": "Use CUDA graph for better performance"}),
+ "keep_model_loaded": ("BOOLEAN", {"default": False, "tooltip": "Keep model loaded in memory after processing"}),
+ },
+ }
+
+ RETURN_TYPES = ("IMAGE", )
+ FUNCTION = "vfi"
+ CATEGORY = "tensorrt"
+ OUTPUT_NODE=True
+
+ def vfi(
+ self,
+ frames,
+ rife_trt_model,
+ clear_cache_after_n_frames=100,
+ multiplier=2,
+ use_cuda_graph=True,
+ keep_model_loaded=False,
+ ):
+ B, H, W, C = frames.shape
+ shape_dict = {
+ "img0": {"shape": (1, 3, H, W)},
+ "img1": {"shape": (1, 3, H, W)},
+ "output": {"shape": (1, 3, H, W)},
+ }
+
+ cudaStream = cuda.Stream()
+
+ # Use the provided model directly
+ engine = rife_trt_model
+ logger(f"Using loaded TensorRT engine")
+
+ # Activate and allocate buffers for the engine
+ engine.activate()
+ engine.allocate_buffers(shape_dict=shape_dict)
+
+ frames = preprocess_frames(frames)
+
+ def return_middle_frame(frame_0, frame_1, timestep):
+ timestep_t = torch.tensor([timestep], dtype=torch.float32).to(get_torch_device())
+ # s = time.time()
+ output = engine.infer({"img0": frame_0, "img1": frame_1, "timestep": timestep_t}, cudaStream, use_cuda_graph)
+ # e = time.time()
+ # print(f"Time taken to infer: {(e-s)*1000} ms")
+
+ result = output['output']
+ return result
+
+ result = generate_frames_rife(frames, clear_cache_after_n_frames, multiplier, return_middle_frame)
+ out = postprocess_frames(result)
+
+ if not keep_model_loaded:
+ engine.reset()
+
+ return (out,)
+
+
+NODE_CLASS_MAPPINGS = {
+ "AutoRifeTensorrt": AutoRifeTensorrt,
+ "AutoLoadRifeTensorrtModel": AutoLoadRifeTensorrtModel,
+ "CustomResolutionConfig": CustomResolutionConfig,
+}
+
+NODE_DISPLAY_NAME_MAPPINGS = {
+ "AutoRifeTensorrt": "Auto RIFE TensorRT",
+ "AutoLoadRifeTensorrtModel": "(Down)load RIFE TensorRT Model",
+ "CustomResolutionConfig": "RIFE Custom Resolution Config",
+}
__all__ = ['NODE_CLASS_MAPPINGS', 'NODE_DISPLAY_NAME_MAPPINGS']
diff --git a/scripts/export_onnx.py b/export_onnx.py
similarity index 100%
rename from scripts/export_onnx.py
rename to export_onnx.py
diff --git a/scripts/export_trt.py b/export_trt.py
similarity index 100%
rename from scripts/export_trt.py
rename to export_trt.py
diff --git a/load_rife_config.json b/load_rife_config.json
new file mode 100644
index 0000000..3db8bf6
--- /dev/null
+++ b/load_rife_config.json
@@ -0,0 +1,25 @@
+{
+ "model": {
+ "options": [
+ "rife47_ensemble_True_scale_1_sim",
+ "rife48_ensemble_True_scale_1_sim",
+ "rife49_ensemble_True_scale_1_sim"
+ ],
+ "default": "rife49_ensemble_True_scale_1_sim",
+ "tooltip": "RIFE models for video frame interpolation. These models have been tested with tensorrt. Loaded from config."
+ },
+ "precision": {
+ "options": ["fp16", "fp32"],
+ "default": "fp16",
+ "tooltip": "Precision to build the tensorrt engines. Loaded from config."
+ },
+ "resolution_profile": {
+ "options": ["small", "medium"],
+ "default": "small",
+ "tooltip": "Resolution range for TensorRT engine. Small: 384-1080px, Medium: 672-1312px. Smaller ranges use less VRAM."
+ },
+ "resolution_profiles": {
+ "small": { "min": 384, "opt": 720, "max": 1080 },
+ "medium": { "min": 672, "opt": 1080, "max": 1312 }
+ }
+}
\ No newline at end of file
diff --git a/nodes.py b/nodes.py
deleted file mode 100644
index bb0ddcc..0000000
--- a/nodes.py
+++ /dev/null
@@ -1,311 +0,0 @@
-"""TensorRT-RTX RIFE Implementation for ComfyUI.
-
-This module provides custom nodes for video frame interpolation (VFI) using
-NVIDIA's TensorRT-RTX. It includes nodes for configuring engine resolutions,
-building/loading optimized .trt engines, and performing high-speed inference.
-"""
-
-import json
-import os
-import sys
-
-import folder_paths
-import logging
-import tensorrt_rtx as trt
-import time
-import torch
-
-import comfy.model_management as mm
-
-from pathlib import Path
-
-# Use polygraphy TensorRTX backend
-os.environ["POLYGRAPHY_USE_TENSORRT_RTX"] = "1"
-
-from polygraphy import cuda
-from .vfi_utilities import preprocess_frames, postprocess_frames, generate_frames_rife
-from .trt_utilities import Engine
-
-def update_folder_names_and_paths(key, targets=[]):
- """Registers specific folder paths within ComfyUI's path manager.
-
- Ensures that custom subdirectories (like onnx_rife) are recognized by
- ComfyUI's internal file system and UI loaders.
-
- Args:
- key (str): The primary key to register in folder_names_and_paths.
- targets (list): Fallback keys to inherit paths from if the primary
- key is missing.
- """
- # check for existing key
- base = folder_paths.folder_names_and_paths.get(key, ([], {}))
- base = base[0] if isinstance(base[0], (list, set, tuple)) else []
- # find base key & add w/ fallback, sanity check + warning
- target = next((x for x in targets if x in folder_paths.folder_names_and_paths), targets[0])
- orig, _ = folder_paths.folder_names_and_paths.get(target, ([], {}))
- folder_paths.folder_names_and_paths[key] = (orig or base, {".onnx"})
- if base and base != orig:
- logging.warning(f"Unknown file list already present on key {key}: {base}")
-
-
-# Auto-detect CUDA toolkit and add DLL path before importing polygraphy
-def _setup_cuda_dll_path():
- """Auto-detects the CUDA toolkit and adds cudart64 DLL path on Windows.
-
- This is necessary for TensorRT-RTX to correctly locate runtime libraries
- when running in a portable environment or on systems where CUDA is not
- globally in the system PATH.
- """
- if not sys.platform.startswith("win"):
- return
-
- cuda_root = None
-
- # Check for CUDA_PATH or CUDA_HOME environment variables
- cuda_root = os.environ.get("CUDA_PATH") or os.environ.get("CUDA_HOME")
-
- if not cuda_root:
- # Try default Windows install location
- program_files = os.environ.get("PROGRAMFILES")
- if program_files:
- cuda_base = Path(program_files) / "NVIDIA GPU Computing Toolkit" / "CUDA"
- if cuda_base.exists():
- # Find highest version directory
- versions = sorted([d for d in cuda_base.iterdir() if d.is_dir()], reverse=True)
- if versions:
- cuda_root = str(versions[0])
-
- if cuda_root:
- cuda_path = Path(cuda_root)
- # CUDA 13.0+ puts cudart64 in bin/x64 subdirectory
- cuda_bin_x64 = cuda_path / "bin" / "x64"
- if cuda_bin_x64.exists() and any(cuda_bin_x64.glob("cudart64*.dll")):
- os.add_dll_directory(str(cuda_bin_x64))
- return
- # Fallback to regular bin directory for older CUDA versions
- cuda_bin = cuda_path / "bin"
- if cuda_bin.exists() and any(cuda_bin.glob("cudart64*.dll")):
- os.add_dll_directory(str(cuda_bin))
- return
-
- # CUDA toolkit not found - print warning with download link
- print("[ComfyUI-Rife-TensorRT] WARNING: CUDA toolkit not found.")
- print(" Set CUDA_PATH environment variable or install CUDA toolkit.")
- print(" Download: https://developer.nvidia.com/cuda-13-0-2-download-archive")
-
-# Initialize Environment
-_setup_cuda_dll_path()
-os.environ["POLYGRAPHY_USE_TENSORRT_RTX"] = "1"
-update_folder_names_and_paths("onnx_rife", ["onnx"])
-
-class RIFERTXEngineOptions:
- """Data container for RIFE shape boundaries.
-
- Attributes:
- min_dim (int): Minimum supported resolution.
- opt_dim (int): Targeted optimal resolution.
- max_dim (int): Maximum supported resolution.
- """
- min_dim: int = 256
- opt_dim: int = 512
- max_dim: int = 1280
-
-class RIFERTXEngineConfig:
- """ComfyUI Node for configuring resolution profiles.
-
- Provides a UI interface to set the dynamic shape profiles required
- during the TensorRT engine build process.
- """
- @classmethod
- def INPUT_TYPES(s):
- return {
- "required": {
- "min_dim": ("INT", {"default": 256, "min": 64, "max": 4096, "step": 8, "tooltip": "Minimum resolution dimension"}),
- "opt_dim": ("INT", {"default": 512, "min": 64, "max": 4096, "step": 8, "tooltip": "Optimal resolution dimension (most common)"}),
- "max_dim": ("INT", {"default": 1280, "min": 64, "max": 4096, "step": 8, "tooltip": "Maximum resolution dimension"}),
- }
- }
-
- RETURN_TYPES = ("RIFE_RTX_ENGINE_CONFIG",)
- RETURN_NAMES = ("RIFE_ENGINE_CONFIG",)
- FUNCTION = "configure"
- CATEGORY = "TensorRT_RTX/RIFE"
- DESCRIPTION = "Configure custom resolution dimensions for RIFE TensorRT engine."
-
- def configure(self, min_dim, opt_dim, max_dim):
- """Wraps dimensions into a configuration dictionary.
-
- Args:
- min_dim (int): Minimum resolution.
- opt_dim (int): Optimal resolution.
- max_dim (int): Maximum resolution.
-
- Returns:
- tuple: Contains the configuration dictionary.
- """
- config = {"min_dim": min_dim, "opt_dim": opt_dim, "max_dim": max_dim,}
- return (config,)
-
-
-class RIFERTXEngineLoader:
- """ComfyUI Node for loading or building RIFE TensorRT engines.
-
- Checks if a .trt engine matching the requested configuration exists.
- If not, it compiles the ONNX model into a TensorRT engine.
- """
- @classmethod
- def INPUT_TYPES(cls):
- onnx_names = [x for x in folder_paths.get_filename_list("onnx_rife") if "rife" in x.lower()]
- return {
- "required": { "onnx_name": (onnx_names,)},
- "optional": { "config": ("RIFE_RTX_ENGINE_CONFIG", {"tooltip": "Options for building the TensorRT engine"}),}
- }
-
- RETURN_NAMES = ("RIFE_ENGINE",)
- RETURN_TYPES = ("RIFE_RTX_ENGINE",)
- CATEGORY = "TensorRT_RTX/RIFE"
- DESCRIPTION = "Load RIFE tensorrt_rtx models, they will be built automatically if not found."
- FUNCTION = "load_rife_tensorrt_rtx_model"
-
- def load_rife_tensorrt_rtx_model(self, onnx_name, config=None):
- """Loads or builds the RIFE TensorRT engine.
-
- Args:
- onnx_name (str): Name of the source ONNX file.
- config (dict, optional): Resolution profile. Defaults to RIFERTXEngineOptions.
-
- Returns:
- tuple: The loaded Engine object.
- """
- if config is None:
- config = RIFERTXEngineOptions()
-
- tensorrt_models_dir = os.path.join(folder_paths.models_dir, "tensorrt", "rife")
- onnx_models_dir = os.path.join(folder_paths.models_dir, "onnx")
-
- os.makedirs(tensorrt_models_dir, exist_ok=True)
- os.makedirs(onnx_models_dir, exist_ok=True)
-
- onnx_model_path = os.path.join(onnx_models_dir, f"{onnx_name}")
-
- # Build tensorrt model path with detailed naming (includes profile)
- engine_channel = 3
- e_min, e_opt, e_max = config.min_dim, config.opt_dim, config.max_dim
- tensorrt_model_path = os.path.join(tensorrt_models_dir, f"{onnx_name}_1x{engine_channel}x{e_min}x{e_min}_1x{engine_channel}x{e_opt}x{e_opt}_1x{engine_channel}x{e_max}x{e_max}_{trt.__version__}.trt")
-
- engine = Engine(tensorrt_model_path)
-
- if not os.path.exists(tensorrt_model_path):
- logging.info(f"Building TensorRT_RTX engine for {onnx_model_path}: {tensorrt_model_path}")
-
- mm.soft_empty_cache()
- s = time.time()
-
- result = engine.build(
- onnx_path=onnx_model_path,
- input_profile=[
- {
- "img0": [(1, engine_channel, e_min, e_min), (1, engine_channel, e_opt, e_opt), (1, engine_channel, e_max, e_max)],
- "img1": [(1, engine_channel, e_min, e_min), (1, engine_channel, e_opt, e_opt), (1, engine_channel, e_max, e_max)],
- }
- ],
- )
-
- if result != 0:
- raise ValueError(f"Failed to build the engine")
- e = time.time()
- logging.info(f"Time taken to build: {(e-s)} seconds")
-
- logging.info(f"Loading TensorRT_RTX engine: {tensorrt_model_path}")
- mm.soft_empty_cache()
- engine.load()
-
- return (engine,)
-
-class RIFERTXFrameInterpolation:
- """ComfyUI Node for performing VFI inference.
-
- Uses the loaded TensorRT engine to interpolate frames in a video sequence.
- """
- @classmethod
- def INPUT_TYPES(s):
- return {
- "required": {
- "frames": ("IMAGE", {"tooltip": "Input frames for video frame interpolation"}),
- "engine": ("RIFE_RTX_ENGINE", {"tooltip": "Tensorrt_RTX model built and loaded"}),
- "clear_cache_after_n_frames": ("INT", {"default": 100, "min": 1, "max": 1000, "tooltip": "Clear CUDA cache after processing this many frames"}),
- "multiplier": ("INT", {"default": 2, "min": 1, "tooltip": "Frame interpolation multiplier"}),
- "use_cuda_graph": ("BOOLEAN", {"default": True, "tooltip": "Use CUDA graph for better performance"}),
- "keep_model_loaded": ("BOOLEAN", {"default": False, "tooltip": "Keep model loaded in memory after processing"}),
- },
- }
-
- RETURN_TYPES = ("IMAGE", )
- FUNCTION = "vfi"
- CATEGORY = "TensorRT_RTX/RIFE"
- OUTPUT_NODE=True
-
- def vfi(
- self,
- frames,
- engine,
- clear_cache_after_n_frames=100,
- multiplier=2,
- use_cuda_graph=True,
- keep_model_loaded=False,
- ):
- """Interpolates frames using the TensorRT engine.
-
- Args:
- frames (torch.Tensor): Input image batch.
- engine (Engine): The active TensorRT engine.
- clear_cache_after_n_frames (int): Frequency of CUDA cache clearing.
- multiplier (int): Target frame rate multiplier.
- use_cuda_graph (bool): Whether to use CUDA graph optimization.
- keep_model_loaded (bool): If True, keeps engine in VRAM after use.
-
- Returns:
- tuple: Interpolated image batch.
- """
- B, H, W, C = frames.shape
- shape_dict = {
- "img0": {"shape": (1, 3, H, W)},
- "img1": {"shape": (1, 3, H, W)},
- "output": {"shape": (1, 3, H, W)},
- }
-
- cudaStream = cuda.Stream()
-
- # Activate and allocate buffers for the engine
- engine.activate()
- engine.allocate_buffers(shape_dict=shape_dict)
-
- frames = preprocess_frames(frames)
-
- def return_middle_frame(frame_0, frame_1, timestep):
- timestep_t = torch.tensor([timestep], dtype=torch.float32).to(mm.get_torch_device())
- output = engine.infer({"img0": frame_0, "img1": frame_1, "timestep": timestep_t}, cudaStream, use_cuda_graph)
- result = output['output']
-
- return result
-
- result = generate_frames_rife(frames, clear_cache_after_n_frames, multiplier, return_middle_frame)
- out = postprocess_frames(result)
-
- if not keep_model_loaded:
- engine.reset()
-
- return (out,)
-
-
-NODE_CLASS_MAPPINGS = {
- "RIFERTXFrameInterpolation": RIFERTXFrameInterpolation,
- "RIFERTXEngineLoader": RIFERTXEngineLoader,
- "RIFERTXEngineConfig": RIFERTXEngineConfig,
-}
-
-NODE_DISPLAY_NAME_MAPPINGS = {
- "RIFERTXFrameInterpolation": "RIFE RTX Frame Interpolation",
- "RIFERTXEngineLoader": "RIFE RTX Engine Loader",
- "RIFERTXEngineConfig": "RIFE RTX Engine Config",
-}
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..c7ce2ae
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,14 @@
+[project]
+name = "ComfyUI_RIFE_TensorRT_Auto"
+description = "Ultra fast frame interpolation using RIFE with TensorRT with Automatic downloading"
+version = "1.1.1"
+license = { file = "LICENSE" }
+
+[project.urls]
+Repository = "https://github.com/silveroxides/ComfyUI_RIFE_TensorRT_Auto"
+# Used by Comfy Registry https://comfyregistry.org
+
+[tool.comfy]
+PublisherId = "silveroxides"
+DisplayName = "ComfyUI_RIFE_TensorRT_Auto"
+Icon = ""
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..a171e1c
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,12 @@
+# Default: CUDA 13 (RTX 50 series, CUDA 13.0+)
+# For CUDA 12, use requirements_cu12.txt instead
+tensorrt_cu13<10.16.0
+tensorrt_cu13_bindings<10.16.0
+tensorrt_cu13_libs<10.16.0
+cuda-toolkit
+einops
+colored
+polygraphy
+cuda-python
+requests
+tqdm
\ No newline at end of file
diff --git a/requirements.txt.bak b/requirements.txt.bak
new file mode 100644
index 0000000..3426b0b
--- /dev/null
+++ b/requirements.txt.bak
@@ -0,0 +1,12 @@
+# Default: CUDA 13 (RTX 50 series, CUDA 13.0+)
+# For CUDA 12, use requirements_cu12.txt instead
+tensorrt_cu13==10.14.1.48
+tensorrt_cu13_bindings==10.14.1.48
+tensorrt_cu13_libs==10.14.1.48
+cuda-toolkit>=13.0.0,<13.1.0
+einops
+colored
+polygraphy
+cuda-python
+requests
+tqdm
\ No newline at end of file
diff --git a/requirements_cu12.txt b/requirements_cu12.txt
new file mode 100644
index 0000000..cbf070d
--- /dev/null
+++ b/requirements_cu12.txt
@@ -0,0 +1,12 @@
+# Legacy: CUDA 12 (RTX 30/40 series, CUDA 12.x)
+# For CUDA 13, use requirements.txt instead
+tensorrt-cu12==10.13.3.9
+tensorrt-cu12-libs==10.13.3.9
+tensorrt-cu12-bindings==10.13.3.9
+cuda-toolkit>=12.8.0,<13.0.0
+einops
+colored
+polygraphy
+cuda-python
+requests
+tqdm
diff --git a/trt_utilities.py b/trt_utilities.py
index eb409e2..4eac528 100644
--- a/trt_utilities.py
+++ b/trt_utilities.py
@@ -1,43 +1,27 @@
-"""TensorRT Acceleration Utilities for RIFE.
-
-This module provides the low-level interface for NVIDIA TensorRT, handling
-engine compilation, timing caches, memory allocation, and optimized inference
-using CUDA Graphs.
-"""
-
-import copy
-import io
-import os
-
-import cuda.bindings.runtime as cudart
-import onnx
-import numpy as np
-import tensorrt_rtx as trt
import torch
-
+from torch.cuda import nvtx
from collections import OrderedDict
-from logging import error, warning
-from onnxconverter_common import float16
-from onnxsim import simplify
-
-# Use polygraphy TensorRTX backend
-os.environ["POLYGRAPHY_USE_TENSORRT_RTX"] = "1"
-
+import numpy as np
from polygraphy.backend.common import bytes_from_path
from polygraphy import util
from polygraphy.backend.trt import ModifyNetworkOutputs, Profile
from polygraphy.backend.trt import (
engine_from_bytes,
- engine_from_network,
- network_from_onnx_path,
- network_from_onnx_bytes,
- save_engine,
)
+
+import modelopt.onnx.autocast as autocast
+import onnx
+
+from onnx import TensorProto
+
from polygraphy.logger import G_LOGGER
-
-from torch.cuda import nvtx
+import tensorrt as trt
+from logging import error, warning
from tqdm import tqdm
+import copy
+import cuda.bindings.runtime as cudart
+TRT_LOGGER = trt.Logger(trt.Logger.ERROR)
G_LOGGER.module_severity = G_LOGGER.ERROR
# Map of numpy dtype -> torch dtype
@@ -63,47 +47,8 @@ torch_to_numpy_dtype_dict = {
value: key for (key, value) in numpy_to_torch_dtype_dict.items()
}
-# Path for your persistent hardware profile
-node_dir = os.path.dirname(os.path.realpath(__file__))
-MASTER_CACHE_FILE = f"{node_dir}\\RIFE_RTX_ENGINE.cache"
-
-def get_timing_cache(config):
- """Retrieves or creates a TensorRT timing cache.
-
- Args:
- config (trt.IBuilderConfig): The builder configuration object.
-
- Returns:
- trt.ITimingCache: The loaded or new timing cache.
- """
- if os.path.exists(MASTER_CACHE_FILE):
- with open(MASTER_CACHE_FILE, "rb") as f:
- cache_data = f.read()
- return config.create_timing_cache(cache_data)
- return config.create_timing_cache(b"")
-
-def save_timing_cache(timing_cache):
- """Saves the current timing cache to disk for future builds.
-
- Args:
- timing_cache (trt.ITimingCache): The cache to serialize.
- """
- with open(MASTER_CACHE_FILE, "wb") as f:
- f.write(timing_cache.serialize())
-
+# https://github.com/Jeff-LiangF/streamv2v/blob/18c1a3bd56ff348d54a3300605936980bb13b03c/src/streamv2v/acceleration/tensorrt/utilities.py
def CUASSERT(cuda_ret):
- """Asserts that a CUDA call was successful.
- https://github.com/Jeff-LiangF/streamv2v/blob/18c1a3bd56ff348d54a3300605936980bb13b03c/src/streamv2v/acceleration/tensorrt/utilities.py
-
- Args:
- cuda_ret (tuple): The return value from a cuda-python call.
-
- Returns:
- Any: The result of the CUDA call if successful.
-
- Raises:
- RuntimeError: If the CUDA call returned an error.
- """
err = cuda_ret[0]
if err != cudart.cudaError_t.cudaSuccess:
raise RuntimeError(
@@ -112,10 +57,28 @@ def CUASSERT(cuda_ret):
if len(cuda_ret) > 1:
return cuda_ret[1]
return None
+
+
+def is_already_fp16(onnx_path: str) -> bool:
+ model = onnx.load(onnx_path)
+ graph = model.graph
+
+ # Check all weight initializers
+ for initializer in graph.initializer:
+ if initializer.data_type not in (TensorProto.FLOAT16, TensorProto.INT8,
+ TensorProto.INT32, TensorProto.INT64,
+ TensorProto.BOOL):
+ return False
+
+ # Check graph inputs that have a known element type
+ for inp in graph.input:
+ t = inp.type.tensor_type
+ if t.HasField("elem_type") and t.elem_type == TensorProto.FLOAT:
+ return False
+
+ return True
class TQDMProgressMonitor(trt.IProgressMonitor):
- """Progress monitor for TensorRT engine builds using TQDM bars."""
-
def __init__(self):
trt.IProgressMonitor.__init__(self)
self._active_phases = {}
@@ -123,7 +86,6 @@ class TQDMProgressMonitor(trt.IProgressMonitor):
self.max_indent = 5
def phase_start(self, phase_name, parent_phase, num_steps):
- """Called when a build phase starts."""
leave = False
try:
if parent_phase is not None:
@@ -150,7 +112,6 @@ class TQDMProgressMonitor(trt.IProgressMonitor):
_step_result = False
def phase_finish(self, phase_name):
- """Called when a build phase finishes."""
try:
if phase_name in self._active_phases.keys():
self._active_phases[phase_name]["tq"].update(
@@ -177,7 +138,6 @@ class TQDMProgressMonitor(trt.IProgressMonitor):
_step_result = False
def step_complete(self, phase_name, step):
- """Called when a step within a phase completes."""
try:
if phase_name in self._active_phases.keys():
self._active_phases[phase_name]["tq"].update(
@@ -189,15 +149,6 @@ class TQDMProgressMonitor(trt.IProgressMonitor):
return False
class Engine:
- """Wrapper for TensorRT engine management.
-
- Handles loading, building, and executing inference with optional
- CUDA Graph support.
-
- Attributes:
- engine_path (str): File path to the .trt engine.
- """
-
def __init__(
self,
engine_path,
@@ -211,7 +162,7 @@ class Engine:
self.graph = None
def __del__(self):
- """Ensures CUDA resources are freed on deletion."""
+ # Clean up CUDA graph resources
if hasattr(self, 'cuda_graph_instance') and self.cuda_graph_instance is not None:
try:
cudart.cudaGraphDestroy(self.cuda_graph_instance)
@@ -229,11 +180,7 @@ class Engine:
del self.tensors
def reset(self, engine_path=None):
- """Cleans up engine and CUDA resources.
-
- Args:
- engine_path (str, optional): New path to set for the engine.
- """
+ # Clean up CUDA graph resources first
if hasattr(self, 'cuda_graph_instance') and self.cuda_graph_instance is not None:
try:
cudart.cudaGraphDestroy(self.cuda_graph_instance)
@@ -268,6 +215,7 @@ class Engine:
def build(
self,
onnx_path,
+ fp16,
input_profile=None,
enable_refit=False,
enable_preview=False,
@@ -275,16 +223,39 @@ class Engine:
timing_cache=None,
update_output_names=None,
):
- """Compiles an ONNX model into a TensorRT engine.
+ print(f"Building TensorRT engine for {onnx_path}: {self.engine_path}")
+
+ if not is_already_fp16(onnx_path):
+ print(f"File not FP16... Converting")
+ converted = autocast.convert_to_mixed_precision(
+ onnx_path=onnx_path,
+ low_precision_type="fp16",
+ keep_io_types=True,
+ )
+ onnx.save(converted, onnx_path) # overwrite in-place
+
+
+ logger = trt.Logger(trt.Logger.WARNING)
+ builder = trt.Builder(logger)
+ network = builder.create_network() # strong typing is always on in 11.x
+ config = builder.create_builder_config()
+
+ config.progress_monitor = TQDMProgressMonitor()
+
+ if enable_refit:
+ config.set_flag(trt.BuilderFlag.REFIT)
+
+ parser = trt.OnnxParser(network, logger)
+ with open(onnx_path, "rb") as f:
+ if not parser.parse(f.read()):
+ for i in range(parser.num_errors):
+ print(parser.get_error(i))
+ raise RuntimeError("ONNX parse failed")
+
+ if update_output_names:
+ print(f"Updating network outputs to {update_output_names}")
+ network = ModifyNetworkOutputs(network, update_output_names)
- Args:
- onnx_path (str): Path to source ONNX file.
- input_profile (list): List of dicts defining min/opt/max shapes.
- **kwargs: Configuration flags (enable_refit, etc).
-
- Returns:
- int: 0 if success, 1 if failure.
- """
p = [Profile()]
if input_profile:
p = [Profile() for i in range(len(input_profile))]
@@ -292,79 +263,30 @@ class Engine:
for name, dims in i_profile.items():
assert len(dims) == 3
_p.add(name, min=dims[0], opt=dims[1], max=dims[2])
-
- config_kwargs = {}
- if not enable_all_tactics:
- config_kwargs["tactic_sources"] = []
-
- # Load ONNX file
- onnx_bytes = onnx.load(onnx_path)
- onnx_precision = onnx_bytes.graph.input[0].type.tensor_type.elem_type
- onnx_simp, check = simplify(onnx_bytes)
-
- if not check:
- error(f"Simplified ONNX model: {onnx_path} could not be validated")
- return 1
-
- # Keep simplified model in memory to not overwrite the onnx file in models directory
- # We dont want to be destructive
- onnx_buffer = io.BytesIO()
- onnx_buffer.write(onnx_simp.SerializeToString())
- onnx_buffer.seek(0)
- onnx_buffer.name = "onnx_simp_mem_rife.onnx"
-
- #network = network_from_onnx_path(onnx_path, flags=[trt.OnnxParserFlag.NATIVE_INSTANCENORM])
- network = network_from_onnx_bytes(onnx_buffer.getvalue(), flags=[trt.OnnxParserFlag.NATIVE_INSTANCENORM])
-
- if update_output_names:
- print(f"Updating network outputs to {update_output_names}")
- network = ModifyNetworkOutputs(network, update_output_names)
-
- builder = network[0]
- config = builder.create_builder_config()
- config.progress_monitor = TQDMProgressMonitor()
-
- #config.set_flag(trt.BuilderFlag.FP16) if fp16 else None
- config.set_flag(trt.BuilderFlag.REFIT) if enable_refit else None
-
- # Limit workspace (e.g., to 2GB or 4GB depending on your GPU)
- # 1 << 30 is 1GB
- #config.set_memory_pool_limit(trt.MemoryPoolType.WORKSPACE, 4 * (1 << 30))
- config.builder_optimization_level = 5
-
- # Use Master Cache
- timing_cache = get_timing_cache(config)
- config.set_timing_cache(timing_cache, False)
-
+
profiles = copy.deepcopy(p)
for profile in profiles:
- # Last profile is used for set_calibration_profile.
- calib_profile = profile.fill_defaults(network[1]).to_trt(
- builder, network[1]
- )
+ calib_profile = profile.fill_defaults(network).to_trt(builder, network)
config.add_optimization_profile(calib_profile)
-
- result = 0
-
+
try:
- engine = engine_from_network(network, config)
- save_engine(engine, path=self.engine_path)
+ engine = builder.build_serialized_network(network, config)
except Exception as e:
- error(f"Failed to build engine: {e}")
- result = 1
-
- # Update Master Cache with new findings
- save_timing_cache(timing_cache)
- print(f"Updated Master Cache.")
-
- return result
+ error(f"Failed to build engine: {e}")
+ return 1
+ try:
+ with open(self.engine_path, "wb") as f:
+ f.write(bytes(engine))
+ except Exception as e:
+ error(f"Failed to save engine: {e}")
+ return 1
+ return 0
def load(self):
- """Loads the serialized engine from disk."""
self.engine = engine_from_bytes(bytes_from_path(self.engine_path))
def activate(self, reuse_device_memory=None):
- """Initializes the execution context."""
+ # If engine was reset, reload it
if self.engine is None:
self.load()
@@ -375,12 +297,7 @@ class Engine:
self.context = self.engine.create_execution_context()
def allocate_buffers(self, shape_dict=None, device="cuda"):
- """Allocates GPU memory for input and output tensors.
-
- Args:
- shape_dict (dict, optional): Specific shapes for tensors.
- device (str): Device to allocate on (default "cuda").
- """
+ # Clean up CUDA graph resources since tensors will be recreated
if hasattr(self, 'cuda_graph_instance') and self.cuda_graph_instance is not None:
try:
cudart.cudaGraphDestroy(self.cuda_graph_instance)
@@ -413,16 +330,6 @@ class Engine:
nvtx.range_pop()
def infer(self, feed_dict, stream, use_cuda_graph=False):
- """Performs inference on the provided data.
-
- Args:
- feed_dict (dict): Input tensors.
- stream (cuda.Stream): CUDA stream for execution.
- use_cuda_graph (bool): If True, uses/captures CUDA graphs.
-
- Returns:
- OrderedDict: The output tensors.
- """
for name, buf in feed_dict.items():
self.tensors[name].copy_(buf)
diff --git a/trt_utilities.py.bak b/trt_utilities.py.bak
new file mode 100644
index 0000000..c20f56a
--- /dev/null
+++ b/trt_utilities.py.bak
@@ -0,0 +1,364 @@
+import torch
+from torch.cuda import nvtx
+from collections import OrderedDict
+import numpy as np
+from polygraphy.backend.common import bytes_from_path
+from polygraphy import util
+from polygraphy.backend.trt import ModifyNetworkOutputs, Profile
+from polygraphy.backend.trt import (
+ engine_from_bytes,
+ engine_from_network,
+ network_from_onnx_path,
+ save_engine,
+)
+
+import modelopt.onnx.autocast as autocast
+import onnx
+
+from onnx import TensorProto
+
+from polygraphy.logger import G_LOGGER
+import tensorrt as trt
+from logging import error, warning
+from tqdm import tqdm
+import copy
+import cuda.bindings.runtime as cudart
+
+TRT_LOGGER = trt.Logger(trt.Logger.ERROR)
+G_LOGGER.module_severity = G_LOGGER.ERROR
+
+# Map of numpy dtype -> torch dtype
+numpy_to_torch_dtype_dict = {
+ np.uint8: torch.uint8,
+ np.int8: torch.int8,
+ np.int16: torch.int16,
+ np.int32: torch.int32,
+ np.int64: torch.int64,
+ np.float16: torch.float16,
+ np.float32: torch.float32,
+ np.float64: torch.float64,
+ np.complex64: torch.complex64,
+ np.complex128: torch.complex128,
+}
+if np.version.full_version >= "1.24.0":
+ numpy_to_torch_dtype_dict[np.bool_] = torch.bool
+else:
+ numpy_to_torch_dtype_dict[np.bool] = torch.bool
+
+# Map of torch dtype -> numpy dtype
+torch_to_numpy_dtype_dict = {
+ value: key for (key, value) in numpy_to_torch_dtype_dict.items()
+}
+
+# https://github.com/Jeff-LiangF/streamv2v/blob/18c1a3bd56ff348d54a3300605936980bb13b03c/src/streamv2v/acceleration/tensorrt/utilities.py
+def CUASSERT(cuda_ret):
+ err = cuda_ret[0]
+ if err != cudart.cudaError_t.cudaSuccess:
+ raise RuntimeError(
+ f"CUDA ERROR: {err}, error code reference: https://nvidia.github.io/cuda-python/module/cudart.html#cuda.cudart.cudaError_t"
+ )
+ if len(cuda_ret) > 1:
+ return cuda_ret[1]
+ return None
+
+
+def is_already_fp16(onnx_path: str) -> bool:
+ model = onnx.load(onnx_path)
+ graph = model.graph
+
+ # Check all weight initializers
+ for initializer in graph.initializer:
+ if initializer.data_type not in (TensorProto.FLOAT16, TensorProto.INT8,
+ TensorProto.INT32, TensorProto.INT64,
+ TensorProto.BOOL):
+ return False
+
+ # Check graph inputs that have a known element type
+ for inp in graph.input:
+ t = inp.type.tensor_type
+ if t.HasField("elem_type") and t.elem_type == TensorProto.FLOAT:
+ return False
+
+ return True
+
+class TQDMProgressMonitor(trt.IProgressMonitor):
+ def __init__(self):
+ trt.IProgressMonitor.__init__(self)
+ self._active_phases = {}
+ self._step_result = True
+ self.max_indent = 5
+
+ def phase_start(self, phase_name, parent_phase, num_steps):
+ leave = False
+ try:
+ if parent_phase is not None:
+ nbIndents = (
+ self._active_phases.get(parent_phase, {}).get(
+ "nbIndents", self.max_indent
+ )
+ + 1
+ )
+ if nbIndents >= self.max_indent:
+ return
+ else:
+ nbIndents = 0
+ leave = True
+ self._active_phases[phase_name] = {
+ "tq": tqdm(
+ total=num_steps, desc=phase_name, leave=leave, position=nbIndents
+ ),
+ "nbIndents": nbIndents,
+ "parent_phase": parent_phase,
+ }
+ except KeyboardInterrupt:
+ # The phase_start callback cannot directly cancel the build, so request the cancellation from within step_complete.
+ _step_result = False
+
+ def phase_finish(self, phase_name):
+ try:
+ if phase_name in self._active_phases.keys():
+ self._active_phases[phase_name]["tq"].update(
+ self._active_phases[phase_name]["tq"].total
+ - self._active_phases[phase_name]["tq"].n
+ )
+
+ parent_phase = self._active_phases[phase_name].get("parent_phase", None)
+ while parent_phase is not None:
+ self._active_phases[parent_phase]["tq"].refresh()
+ parent_phase = self._active_phases[parent_phase].get(
+ "parent_phase", None
+ )
+ if (
+ self._active_phases[phase_name]["parent_phase"]
+ in self._active_phases.keys()
+ ):
+ self._active_phases[
+ self._active_phases[phase_name]["parent_phase"]
+ ]["tq"].refresh()
+ del self._active_phases[phase_name]
+ pass
+ except KeyboardInterrupt:
+ _step_result = False
+
+ def step_complete(self, phase_name, step):
+ try:
+ if phase_name in self._active_phases.keys():
+ self._active_phases[phase_name]["tq"].update(
+ step - self._active_phases[phase_name]["tq"].n
+ )
+ return self._step_result
+ except KeyboardInterrupt:
+ # There is no need to propagate this exception to TensorRT. We can simply cancel the build.
+ return False
+
+class Engine:
+ def __init__(
+ self,
+ engine_path,
+ ):
+ self.engine_path = engine_path
+ self.engine = None
+ self.context = None
+ self.buffers = OrderedDict()
+ self.tensors = OrderedDict()
+ self.cuda_graph_instance = None # cuda graph
+ self.graph = None
+
+ def __del__(self):
+ # Clean up CUDA graph resources
+ if hasattr(self, 'cuda_graph_instance') and self.cuda_graph_instance is not None:
+ try:
+ cudart.cudaGraphDestroy(self.cuda_graph_instance)
+ except:
+ pass
+ if hasattr(self, 'graph') and self.graph is not None:
+ try:
+ cudart.cudaGraphDestroy(self.graph)
+ except:
+ pass
+
+ del self.engine
+ del self.context
+ del self.buffers
+ del self.tensors
+
+ def reset(self, engine_path=None):
+ # Clean up CUDA graph resources first
+ if hasattr(self, 'cuda_graph_instance') and self.cuda_graph_instance is not None:
+ try:
+ cudart.cudaGraphDestroy(self.cuda_graph_instance)
+ except:
+ pass
+ self.cuda_graph_instance = None
+ if hasattr(self, 'graph') and self.graph is not None:
+ try:
+ cudart.cudaGraphDestroy(self.graph)
+ except:
+ pass
+ self.graph = None
+
+ if hasattr(self, 'engine') and self.engine is not None:
+ del self.engine
+ if hasattr(self, 'context') and self.context is not None:
+ del self.context
+ if hasattr(self, 'buffers'):
+ del self.buffers
+ if hasattr(self, 'tensors'):
+ del self.tensors
+
+ self.engine = None
+ self.context = None
+ self.engine_path = engine_path if engine_path else self.engine_path
+
+ self.buffers = OrderedDict()
+ self.tensors = OrderedDict()
+ self.inputs = {}
+ self.outputs = {}
+
+ def build(
+ self,
+ onnx_path,
+ fp16,
+ input_profile=None,
+ enable_refit=False,
+ enable_preview=False,
+ enable_all_tactics=False,
+ timing_cache=None,
+ update_output_names=None,
+ ):
+ print(f"Building TensorRT engine for {onnx_path}: {self.engine_path}")
+
+ if not is_already_fp16(onnx_path):
+ print(f"File not FP16... Converting")
+ converted = autocast.convert_to_mixed_precision(
+ onnx_path=onnx_path,
+ low_precision_type="fp16",
+ keep_io_types=True,
+ )
+ onnx.save(converted, onnx_path) # overwrite in-place
+
+
+ logger = trt.Logger(trt.Logger.WARNING)
+ builder = trt.Builder(logger)
+ network = builder.create_network() # strong typing is always on in 11.x
+ config = builder.create_builder_config()
+
+ config.progress_monitor = TQDMProgressMonitor()
+
+ if enable_refit:
+ config.set_flag(trt.BuilderFlag.REFIT)
+
+ parser = trt.OnnxParser(network, logger)
+ with open(onnx_path, "rb") as f:
+ if not parser.parse(f.read()):
+ for i in range(parser.num_errors):
+ print(parser.get_error(i))
+ raise RuntimeError("ONNX parse failed")
+
+ if update_output_names:
+ print(f"Updating network outputs to {update_output_names}")
+ network = ModifyNetworkOutputs(network, update_output_names)
+
+ p = [Profile()]
+ if input_profile:
+ p = [Profile() for i in range(len(input_profile))]
+ for _p, i_profile in zip(p, input_profile):
+ for name, dims in i_profile.items():
+ assert len(dims) == 3
+ _p.add(name, min=dims[0], opt=dims[1], max=dims[2])
+
+ profiles = copy.deepcopy(p)
+ for profile in profiles:
+ calib_profile = profile.fill_defaults(network).to_trt(builder, network)
+ config.add_optimization_profile(calib_profile)
+
+ try:
+ engine = builder.build_serialized_network(network, config)
+ except Exception as e:
+ error(f"Failed to build engine: {e}")
+ return 1
+ try:
+ with open(self.engine_path, "wb") as f:
+ f.write(bytes(engine))
+ except Exception as e:
+ error(f"Failed to save engine: {e}")
+ return 1
+ return 0
+
+ def load(self):
+ self.engine = engine_from_bytes(bytes_from_path(self.engine_path))
+
+ def activate(self, reuse_device_memory=None):
+ # If engine was reset, reload it
+ if self.engine is None:
+ self.load()
+
+ if reuse_device_memory:
+ self.context = self.engine.create_execution_context_without_device_memory()
+ # self.context.device_memory = reuse_device_memory
+ else:
+ self.context = self.engine.create_execution_context()
+
+ def allocate_buffers(self, shape_dict=None, device="cuda"):
+ # Clean up CUDA graph resources since tensors will be recreated
+ if hasattr(self, 'cuda_graph_instance') and self.cuda_graph_instance is not None:
+ try:
+ cudart.cudaGraphDestroy(self.cuda_graph_instance)
+ except:
+ pass
+ self.cuda_graph_instance = None
+ if hasattr(self, 'graph') and self.graph is not None:
+ try:
+ cudart.cudaGraphDestroy(self.graph)
+ except:
+ pass
+ self.graph = None
+
+ nvtx.range_push("allocate_buffers")
+ for idx in range(self.engine.num_io_tensors):
+ name = self.engine.get_tensor_name(idx)
+ binding = self.engine[idx]
+ if shape_dict and binding in shape_dict:
+ shape = shape_dict[binding]["shape"]
+ else:
+ shape = self.context.get_tensor_shape(name)
+
+ dtype = trt.nptype(self.engine.get_tensor_dtype(name))
+ if self.engine.get_tensor_mode(name) == trt.TensorIOMode.INPUT:
+ self.context.set_input_shape(name, shape)
+ tensor = torch.empty(
+ tuple(shape), dtype=numpy_to_torch_dtype_dict[dtype]
+ ).to(device=device)
+ self.tensors[binding] = tensor
+ nvtx.range_pop()
+
+ def infer(self, feed_dict, stream, use_cuda_graph=False):
+ for name, buf in feed_dict.items():
+ self.tensors[name].copy_(buf)
+
+ for name, tensor in self.tensors.items():
+ self.context.set_tensor_address(name, tensor.data_ptr())
+
+ if use_cuda_graph:
+ if self.cuda_graph_instance is not None:
+ CUASSERT(cudart.cudaGraphLaunch(self.cuda_graph_instance, stream.ptr))
+ CUASSERT(cudart.cudaStreamSynchronize(stream.ptr))
+ else:
+ # do inference before CUDA graph capture
+ noerror = self.context.execute_async_v3(stream.ptr)
+ if not noerror:
+ raise ValueError("ERROR: inference failed.")
+ # capture cuda graph
+ CUASSERT(
+ cudart.cudaStreamBeginCapture(stream.ptr, cudart.cudaStreamCaptureMode.cudaStreamCaptureModeGlobal)
+ )
+ self.context.execute_async_v3(stream.ptr)
+ self.graph = CUASSERT(cudart.cudaStreamEndCapture(stream.ptr))
+ self.cuda_graph_instance = CUASSERT(cudart.cudaGraphInstantiate(self.graph, 0))
+ else:
+ noerror = self.context.execute_async_v3(stream.ptr)
+ if not noerror:
+ raise ValueError("ERROR: inference failed.")
+
+ return self.tensors
+
diff --git a/utilities.py b/utilities.py
new file mode 100644
index 0000000..fd4a248
--- /dev/null
+++ b/utilities.py
@@ -0,0 +1,101 @@
+import requests
+from tqdm import tqdm
+import logging
+import sys
+
+class ColoredLogger:
+ COLORS = {
+ 'RED': '\033[91m',
+ 'GREEN': '\033[92m',
+ 'YELLOW': '\033[93m',
+ 'BLUE': '\033[94m',
+ 'MAGENTA': '\033[95m',
+ 'RESET': '\033[0m'
+ }
+
+ LEVEL_COLORS = {
+ 'DEBUG': COLORS['BLUE'],
+ 'INFO': COLORS['GREEN'],
+ 'WARNING': COLORS['YELLOW'],
+ 'ERROR': COLORS['RED'],
+ 'CRITICAL': COLORS['MAGENTA']
+ }
+
+ def __init__(self, name="MY-APP"):
+ self.logger = logging.getLogger(name)
+ self.logger.setLevel(logging.DEBUG)
+ self.app_name = name
+
+ # Prevent message propagation to parent loggers
+ self.logger.propagate = False
+
+ # Clear existing handlers
+ self.logger.handlers = []
+
+ # Create console handler
+ handler = logging.StreamHandler(sys.stdout)
+ handler.setLevel(logging.DEBUG)
+
+ # Custom formatter class to handle colored components
+ class ColoredFormatter(logging.Formatter):
+ def format(self, record):
+ # Color the level name according to severity
+ level_color = ColoredLogger.LEVEL_COLORS.get(record.levelname, '')
+ colored_levelname = f"{level_color}{record.levelname}{ColoredLogger.COLORS['RESET']}"
+
+ # Color the logger name in blue
+ colored_name = f"{ColoredLogger.COLORS['BLUE']}{record.name}{ColoredLogger.COLORS['RESET']}"
+
+ # Set the colored components
+ record.levelname = colored_levelname
+ record.name = colored_name
+
+ return super().format(record)
+
+ # Create formatter with the new format
+ formatter = ColoredFormatter('[%(name)s|%(levelname)s] - %(message)s')
+ handler.setFormatter(formatter)
+
+ self.logger.addHandler(handler)
+
+
+ def debug(self, message):
+ self.logger.debug(f"{self.COLORS['BLUE']}{message}{self.COLORS['RESET']}")
+
+ def info(self, message):
+ self.logger.info(f"{self.COLORS['GREEN']}{message}{self.COLORS['RESET']}")
+
+ def warning(self, message):
+ self.logger.warning(f"{self.COLORS['YELLOW']}{message}{self.COLORS['RESET']}")
+
+ def error(self, message):
+ self.logger.error(f"{self.COLORS['RED']}{message}{self.COLORS['RESET']}")
+
+ def critical(self, message):
+ self.logger.critical(f"{self.COLORS['MAGENTA']}{message}{self.COLORS['RESET']}")
+
+def download_file(url, save_path):
+ """
+ Download a file from URL with progress bar
+
+ Args:
+ url (str): URL of the file to download
+ save_path (str): Path to save the file as
+ """
+ GREEN = '\033[92m'
+ RESET = '\033[0m'
+ response = requests.get(url, stream=True)
+ total_size = int(response.headers.get('content-length', 0))
+
+ with open(save_path, 'wb') as file, tqdm(
+ desc=save_path,
+ total=total_size,
+ unit='iB',
+ unit_scale=True,
+ unit_divisor=1024,
+ colour='green',
+ bar_format=f'{GREEN}{{l_bar}}{{bar}}{RESET}{GREEN}{{r_bar}}{RESET}'
+ ) as progress_bar:
+ for data in response.iter_content(chunk_size=1024):
+ size = file.write(data)
+ progress_bar.update(size)
\ No newline at end of file
diff --git a/vfi_utilities.py b/vfi_utilities.py
index 69ef2f0..0acdb6b 100644
--- a/vfi_utilities.py
+++ b/vfi_utilities.py
@@ -1,50 +1,37 @@
-"""Utility functions for RIFE Video Frame Interpolation (VFI).
+# https://github.com/Fannovel16/ComfyUI-Frame-Interpolation/blob/main/vfi_utils.py
-This module contains preprocessing, postprocessing, and the core interpolation
-loop logic used to generate intermediate frames between a sequence of images.
-
-https://github.com/Fannovel16/ComfyUI-Frame-Interpolation/blob/main/vfi_utils.py
-"""
-
-import einops
import os
import torch
import typing
-
-import logging
-import numpy as np
-
+import einops
from comfy.model_management import soft_empty_cache, get_torch_device
+import numpy as np
from comfy.utils import ProgressBar
+from colored import Fore, Back, Style
DEVICE = get_torch_device()
-def preprocess_frames(frames: torch.Tensor) -> torch.Tensor:
- """Prepares ComfyUI image batches for model inference.
+def load_file_from_github_release(model_type, ckpt_name):
+ error_strs = []
+ for i, base_model_download_url in enumerate(BASE_MODEL_DOWNLOAD_URLS):
+ try:
+ return load_file_from_url(base_model_download_url + ckpt_name, get_ckpt_container_path(model_type))
+ except Exception:
+ traceback_str = traceback.format_exc()
+ if i < len(BASE_MODEL_DOWNLOAD_URLS) - 1:
+ print("Failed! Trying another endpoint.")
+ error_strs.append(f"Error when downloading from: {base_model_download_url + ckpt_name}\n\n{traceback_str}")
- Converts images from (Batch, Height, Width, Channels) to
- (Batch, Channels, Height, Width) and ensures only RGB channels are present.
+ error_str = '\n\n'.join(error_strs)
+ raise Exception(f"Tried all GitHub base urls to download {ckpt_name} but no suceess. Below is the error log:\n\n{error_str}")
- Args:
- frames (torch.Tensor): Input tensor in BHWC format.
+def logger(msg):
+ print(f'{Style.reset}{Fore.cyan}⚡ [Rife Tensorrt] - {msg}{Style.reset}')
- Returns:
- torch.Tensor: Preprocessed tensor in BCHW format.
- """
+def preprocess_frames(frames):
return einops.rearrange(frames[..., :3], "n h w c -> n c h w")
-def postprocess_frames(frames: torch.Tensor) -> torch.Tensor:
- """Converts model output back to ComfyUI standard format.
-
- Converts images from (Batch, Channels, Height, Width) back to
- (Batch, Height, Width, Channels) and moves them to CPU memory.
-
- Args:
- frames (torch.Tensor): Output tensor from the model in BCHW format.
-
- Returns:
- torch.Tensor: Postprocessed tensor in BHWC format on CPU.
- """
+def postprocess_frames(frames):
return einops.rearrange(frames, "n c h w -> n h w c")[..., :3].cpu()
def generate_frames_rife(
@@ -53,40 +40,20 @@ def generate_frames_rife(
multiplier,
return_middle_frame_function
):
- """Core interpolation loop for generating intermediate frames.
- Iterates through a sequence of frames and calls the provided inference
- function to generate 'n' intermediate frames based on the multiplier.
-
- Args:
- frames (torch.Tensor): The preprocessed frame sequence (BCHW).
- clear_cache_after_n_frames (int): Interval for VRAM cache clearing.
- multiplier (int): The factor by which to increase the frame count.
- return_middle_frame_function (Callable): Function that takes two
- frames and a timestep and returns the interpolated frame.
-
- Returns:
- torch.Tensor: The complete sequence including original and
- interpolated frames.
- """
output_frames = torch.zeros(multiplier*frames.shape[0], *frames.shape[1:], device="cpu")
out_len = 0
- cache_counter = 0
-
- pbar = ProgressBar(len(frames))
-
- logging.info(f"Interpolating frames")
- for frame_itr in range(len(frames) - 1):
+ number_of_frames_processed_since_last_cleared_cuda_cache = 0
+ # pbar = ProgressBar(len(frames))
+
+ for frame_itr in range(len(frames) - 1): # Skip the final frame since there are no frames after it
frame_0 = frames[frame_itr:frame_itr+1]
frame_1 = frames[frame_itr+1:frame_itr+2]
-
- # Store the current original frame
- output_frames[out_len] = frame_0
+ output_frames[out_len] = frame_0 # Start with first frame
out_len += 1
- # Generate intermediate frames
for middle_i in range(1, multiplier):
timestep = middle_i/multiplier
middle_frame = return_middle_frame_function(frame_0, frame_1, timestep).detach().cpu()
@@ -95,22 +62,25 @@ def generate_frames_rife(
output_frames[out_len] = middle_frame
out_len +=1
- # VRAM Management
- cache_counter += 1
- if cache_counter >= clear_cache_after_n_frames:
+ # Try to avoid a memory overflow by clearing cuda cache regularly
+ number_of_frames_processed_since_last_cleared_cuda_cache += 1
+ if number_of_frames_processed_since_last_cleared_cuda_cache >= clear_cache_after_n_frames:
soft_empty_cache()
- logging.info(f"Clearing cache...")
- cache_counter = 0
+ number_of_frames_processed_since_last_cleared_cuda_cache = 0
+ logger("Clearing cache...")
+
+ # pbar.update(1)
- pbar.update(1)
# Append final frame
output_frames[out_len] = frames[-1:]
- logging.info(f"done! - {(len(frames) -1) * (multiplier-1)} new frames generated at resolution: {output_frames[0].shape}")
+ logger(f"done! - {(len(frames) -1) * (multiplier-1)} new frames generated at resolution: {output_frames[0].shape}")
out_len += 1
# clear cache for courtesy
soft_empty_cache()
-
- # Slice to actual length in case of rounding or logic offsets
- return output_frames[:out_len]
+ logger("Final clearing cache done ...")
+#
+ res = output_frames[:out_len]
+
+ return res