Files
smthemex-ComfyUI_SongGenera…/generate.py
T
2025-10-18 11:48:21 +08:00

318 lines
14 KiB
Python

import sys
import os
import folder_paths
import time
import copy
import torch
import torchaudio
import numpy as np
import gc
from omegaconf import OmegaConf
from .SongGeneration.codeclm.models import builders
from .SongGeneration.codeclm.trainer.codec_song_pl import CodecLM_PL
from .SongGeneration.codeclm.models import CodecLM
from .SongGeneration.third_party.demucs.models.pretrained import get_model_from_yaml
current_node_path = os.path.dirname(os.path.abspath(__file__))
auto_prompt_type = ['Pop', 'R&B', 'Dance', 'Jazz', 'Folk', 'Rock', 'Chinese Style', 'Chinese Tradition', 'Metal', 'Reggae', 'Chinese Opera', 'Auto']
class Separator():
def __init__(self, dm_model_path='third_party/demucs/ckpt/htdemucs.pth', dm_config_path='third_party/demucs/ckpt/htdemucs.yaml', gpu_id=0) -> None:
if torch.cuda.is_available() and gpu_id < torch.cuda.device_count():
self.device = torch.device(f"cuda:{gpu_id}")
else:
self.device = torch.device("cpu")
self.demucs_model = self.init_demucs_model(dm_model_path, dm_config_path)
def init_demucs_model(self, model_path, config_path):
model = get_model_from_yaml(config_path, model_path)
model.to(self.device)
model.eval()
return model
def load_audio(self, f):
a, fs = torchaudio.load(f)
if (fs != 48000):
a = torchaudio.functional.resample(a, fs, 48000)
if a.shape[-1] >= 48000*10:
a = a[..., :48000*10]
else:
a = torch.cat([a, a], -1)
return a[:, 0:48000*10]
def run(self, audio_path, output_dir='tmp', ext=".flac"):
os.makedirs(output_dir, exist_ok=True)
name, _ = os.path.splitext(os.path.split(audio_path)[-1])
output_paths = []
for stem in self.demucs_model.sources:
output_path = os.path.join(output_dir, f"{name}_{stem}{ext}")
if os.path.exists(output_path):
output_paths.append(output_path)
if len(output_paths) == 1: # 4
vocal_path = output_paths[0]
else:
drums_path, bass_path, other_path, vocal_path = self.demucs_model.separate(audio_path, output_dir, device=self.device)
for path in [drums_path, bass_path, other_path]:
os.remove(path)
full_audio = self.load_audio(audio_path)
vocal_audio = self.load_audio(vocal_path)
bgm_audio = full_audio - vocal_audio
return full_audio, vocal_audio, bgm_audio
def build_model(Weigths_Path,infer_model_path):
torch.backends.cudnn.enabled = False
curent_dir = os.path.join(current_node_path,"SongGeneration")
RESOLVERS = {
"eval": lambda x: eval(x),
"concat": lambda *x: [xxx for xx in x for xxx in xx],
"get_fname": lambda: os.path.splitext(os.path.basename(sys.argv[1]))[0],
"load_yaml": lambda x: list(OmegaConf.load(os.path.join(curent_dir, x)))
}
for name, func in RESOLVERS.items():
if not OmegaConf.has_resolver(name):
OmegaConf.register_new_resolver(name, func)
np.random.seed(int(time.time()))
infer_model_type="new" if "new" in infer_model_path.lower() else "large" if "large" in infer_model_path.lower() else "full" if "full" in infer_model_path.lower() else "base"
cfg_path = os.path.join(current_node_path, f'SongGeneration/conf/{infer_model_type}_config.yaml')
cfg = OmegaConf.load(cfg_path)
cfg.mode = 'inference'
cfg.vae_config=f"{Weigths_Path}/vae/stable_audio_1920_vae.json"
cfg.vae_model=f"{Weigths_Path}/vae/autoencoder_music_1320k.ckpt"
cfg.audio_tokenizer_checkpoint=f"Flow1dVAE1rvq_{Weigths_Path}/model_1rvq/model_2_fixed.safetensors"
cfg.audio_tokenizer_checkpoint_sep=f"Flow1dVAESeparate_{Weigths_Path}/model_septoken/model_2.safetensors"
cfg.conditioners.type_info.QwTextTokenizer.token_path=os.path.join(current_node_path,"SongGeneration/third_party/Qwen2-7B")
audiolm = builders.get_lm_model(cfg)
checkpoint = torch.load(infer_model_path, map_location='cpu')
audiolm_state_dict = {k.replace('audiolm.', ''): v for k, v in checkpoint.items() if k.startswith('audiolm')}
audiolm.load_state_dict(audiolm_state_dict, strict=False)
audiolm = audiolm.eval()
#audiolm = audiolm.cuda().to(torch.float16)
del audiolm_state_dict,checkpoint
return audiolm,cfg
# def pre_data(Weigths_Path,dm_model_path,dm_config_path,save_dir,prompt_audio_path,auto_prompt_audio_type,infer_model_type,prompt_pt_path):
# torch.backends.cudnn.enabled = False
# curent_dir = os.path.join(current_node_path,"SongGeneration")
# RESOLVERS = {
# "eval": lambda x: eval(x),
# "concat": lambda *x: [xxx for xx in x for xxx in xx],
# "get_fname": lambda: os.path.splitext(os.path.basename(sys.argv[1]))[0],
# "load_yaml": lambda x: list(OmegaConf.load(os.path.join(curent_dir, x)))
# }
# for name, func in RESOLVERS.items():
# if not OmegaConf.has_resolver(name):
# OmegaConf.register_new_resolver(name, func)
# np.random.seed(int(time.time()))
# cfg_path = os.path.join(current_node_path, f'SongGeneration/conf/{infer_model_type}_config.yaml')
# cfg = OmegaConf.load(cfg_path)
# cfg.mode = 'inference'
# cfg.vae_config=f"{Weigths_Path}/vae/stable_audio_1920_vae.json"
# cfg.vae_model=f"{Weigths_Path}/vae/autoencoder_music_1320k.ckpt"
# cfg.audio_tokenizer_checkpoint=f"Flow1dVAE1rvq_{Weigths_Path}/model_1rvq/model_2_fixed.safetensors"
# cfg.audio_tokenizer_checkpoint_sep=f"Flow1dVAESeparate_{Weigths_Path}/model_septoken/model_2.safetensors"
# cfg.conditioners.type_info.QwTextTokenizer.token_path=os.path.join(current_node_path,"SongGeneration/third_party/Qwen2-7B")
# max_duration = cfg.max_dur
# vae_model=f"{Weigths_Path}/vae/autoencoder_music_1320k.ckpt"
# vae_config=os.path.join(current_node_path, f'SongGeneration/conf/stable_audio_1920_vae.json')
# auto_prompt = torch.load(prompt_pt_path,weights_only=False)
# merge_prompt = [x for sublist in auto_prompt.values() for x in sublist]
# if prompt_audio_path is not None:
# separator = Separator(dm_model_path, dm_config_path)
# audio_tokenizer = builders.get_audio_tokenizer_model(f"Flow1dVAE1rvq_{Weigths_Path}/model_1rvq/model_2_fixed.safetensors", vae_config,vae_model)
# audio_tokenizer = audio_tokenizer.eval().cuda()
# else:
# audio_tokenizer = None
# separator = None
# original_item=song_infer_lowram(cfg,separator,audio_tokenizer,merge_prompt,auto_prompt, save_dir,prompt_audio_path,auto_prompt_audio_type,)
# print("step1 is done.")
# return copy.deepcopy(original_item),max_duration,cfg
def infer_stage2(item,audiolm,max_duration,lyric,descriptions,cfg_coef = 1.5, temp = 0.9,top_k = 50,top_p = 0.0,record_tokens = True,record_window = 50):
#ckpt_path = os.path.join(Weigths_Path, 'songgeneration_base/model.pt')
item_copy = {
'pmt_wav': item['pmt_wav'], # 这些是引用,但安全因为后续设为None不影响原始
'vocal_wav': item['vocal_wav'],
'bgm_wav': item['bgm_wav'],
'melody_is_wav': item['melody_is_wav'],
'idx': item['idx'],
'wav_path': item['wav_path']
# 不包含 'tokens' 因为它将在 step2 中生成
}
# Define model or load pretrained model
# model_light = CodecLM_PL(cfg, ckpt_path)
# model_light = model_light.eval()
# model_light.audiolm.cfg = cfg
# model = CodecLM(name = "tmp",
# lm = model_light.audiolm,
# audiotokenizer = None,
# max_duration = max_duration,
# seperate_tokenizer = None,
# )
# del model_light
# audiolm = builders.get_lm_model(cfg)
# checkpoint = torch.load(ckpt_path, map_location='cpu')
# audiolm_state_dict = {k.replace('audiolm.', ''): v for k, v in checkpoint.items() if k.startswith('audiolm')}
# audiolm.load_state_dict(audiolm_state_dict, strict=False)
audiolm=audiolm.cuda().to(torch.float16)
torch.cuda.empty_cache()
model = CodecLM(name = "tmp",
lm = audiolm,
audiotokenizer = None,
max_duration = max_duration,
seperate_tokenizer = None,
)
model.set_generation_params(duration=max_duration, extend_stride=5, temperature=temp,
top_k=top_k, top_p=top_p,cfg_coef=cfg_coef, record_tokens=record_tokens, record_window=record_window)
print("model loaded,start inference step2")
items=inference_lowram_step2(model,lyric,descriptions,item_copy,)
audiolm = audiolm.cpu()
del audiolm
model=None
gc.collect()
torch.cuda.empty_cache()
return items
def inference_lowram_step2(model,lyric,descriptions,item,):
generate_inp = {
'lyrics': [lyric.replace(" ", " ")],
'descriptions': [descriptions],
'melody_wavs': item['pmt_wav'],
'vocal_wavs': item['vocal_wav'],
'bgm_wavs': item['bgm_wav'],
'melody_is_wav': item['melody_is_wav'],
}
with torch.autocast(device_type="cuda", dtype=torch.float16):
tokens = model.generate(**generate_inp, return_tokens=True)
item['tokens'] = tokens
return item
def inference_lowram_final(cfg,seperate_tokenizer,max_duration,item,save_dir,save_separate):
target_wav_name = f"{save_dir}/song_audios{time.strftime('%m%d%H%S')}.flac"
model = CodecLM(name = "tmp",
lm = None,
audiotokenizer = None,
max_duration = max_duration,
seperate_tokenizer = seperate_tokenizer,
)
print("model loaded,start inference final...")
with torch.no_grad():
if item["melody_is_wav"]:
if save_separate :
wav_seperate = model.generate_audio(item['tokens'], item['pmt_wav'], item['vocal_wav'], item['bgm_wav'], chunked=True, gen_type='mixed')
wav_vocal = model.generate_audio(item['tokens'], item['pmt_wav'], item['vocal_wav'], item['bgm_wav'], chunked=True, gen_type='vocal')
wav_bgm = model.generate_audio(item['tokens'], item['pmt_wav'], item['vocal_wav'], item['bgm_wav'], chunked=True, gen_type='bgm')
else:
if cfg.gen_type == 'mixed':
wav_seperate=model.generate_audio(item['tokens'], item['pmt_wav'], item['pmt_wav'], item['bgm_wav'], chunked=True, gen_type='mixed')
else:
wav_seperate = model.generate_audio(item['tokens'],chunked=True, gen_type=cfg.sample_rate)
else:
if save_separate :
wav_vocal = model.generate_audio(item['tokens'], chunked=True, gen_type='vocal')
wav_bgm = model.generate_audio(item['tokens'], chunked=True, gen_type='bgm')
wav_seperate = model.generate_audio(item['tokens'], chunked=True, gen_type='mixed')
else:
wav_seperate = model.generate_audio(item['tokens'], chunked=True, gen_type=cfg.gen_type)
if save_separate :
torchaudio.save(f"{save_dir}/vocal_audios{time.strftime('%m%d%H%S')}.flac", wav_vocal[0].cpu().float(), cfg.sample_rate)
torchaudio.save(f"{save_dir}/bgm_audios{time.strftime('%m%d%H%S')}.flac", wav_bgm[0].cpu().float(), cfg.sample_rate)
torchaudio.save(target_wav_name, wav_seperate[0].cpu().float(), cfg.sample_rate)
# item['tokens']=None
# item['pmt_wav']=None
# item['vocal_wav']=None
# item['bgm_wav']=None
# item['melody_is_wav']=None
return {"waveform": wav_seperate[0].cpu().float().unsqueeze(0), "sample_rate": cfg.sample_rate}
def song_infer_lowram(seperate_tokenizer,separator,audio_tokenizer,prompt_pt_path, save_dir,prompt_audio_path,auto_prompt_audio_type): #item dict
item = {}
target_wav_name = f"{save_dir}/song_audios{time.strftime('%m%d%H%S')}.flac"
melody_is_wav = False
if prompt_audio_path is not None:
pmt_wav, vocal_wav, bgm_wav = separator.run(prompt_audio_path)
pmt_wav = pmt_wav.cuda()
vocal_wav = vocal_wav.cuda()
bgm_wav = bgm_wav.cuda()
audio_tokenizer = audio_tokenizer.eval().cuda()
with torch.no_grad():
pmt_wav, _ = audio_tokenizer.encode(pmt_wav)
audio_tokenizer=None
separator=None
gc.collect()
seperate_tokenizer = seperate_tokenizer.eval().cuda()
with torch.no_grad():
vocal_wav, bgm_wav = seperate_tokenizer.encode(vocal_wav, bgm_wav)
del seperate_tokenizer
gc.collect()
elif auto_prompt_audio_type:
assert prompt_pt_path is not None ,"prompt模型不能为空,need prmmpt model"
auto_prompt = torch.load(prompt_pt_path,weights_only=False)
#assert item["auto_prompt_audio_type"] in auto_prompt_type, f"auto_prompt_audio_type {item['auto_prompt_audio_type']} not found"
# if auto_prompt_audio_type == 'Auto':
# prompt_token = merge_prompt[np.random.randint(0, len(merge_prompt))]
# else:
# prompt_token = auto_prompt[auto_prompt_audio_type][np.random.randint(0, len(auto_prompt[auto_prompt_audio_type]))]
prompt_token = auto_prompt[auto_prompt_audio_type][np.random.randint(0, len(auto_prompt[auto_prompt_audio_type]))]
if torch.cuda.is_available():
prompt_token = prompt_token.cuda()
pmt_wav = prompt_token[:,[0],:]
vocal_wav = prompt_token[:,[1],:]
bgm_wav = prompt_token[:,[2],:]
else:
pmt_wav = None
vocal_wav = None
bgm_wav = None
melody_is_wav = True
item['pmt_wav'] = pmt_wav
item['vocal_wav'] = vocal_wav
item['bgm_wav'] = bgm_wav
item['melody_is_wav'] = melody_is_wav
item["idx"] = 0
item["wav_path"] = target_wav_name
return item