import spaces import logging from datetime import datetime from pathlib import Path import gradio as gr import torch import torchaudio import os try: import mmaudio except ImportError: os.system("pip install -e .") import mmaudio from mmaudio.eval_utils import (ModelConfig, all_model_cfg, generate, load_video, make_video, setup_eval_logging) from mmaudio.model.flow_matching import FlowMatching from mmaudio.model.networks import MMAudio, get_my_mmaudio from mmaudio.model.sequence_config import SequenceConfig from mmaudio.model.utils.features_utils import FeaturesUtils import tempfile torch.backends.cuda.matmul.allow_tf32 = True torch.backends.cudnn.allow_tf32 = True log = logging.getLogger() device = 'cuda' dtype = torch.bfloat16 model: ModelConfig = all_model_cfg['large_44k_v2'] model.download_if_needed() output_dir = Path('./output/gradio') setup_eval_logging() def get_model() -> tuple[MMAudio, FeaturesUtils, SequenceConfig]: seq_cfg = model.seq_cfg net: MMAudio = get_my_mmaudio(model.model_name).to(device, dtype).eval() net.load_weights(torch.load(model.model_path, map_location=device, weights_only=True)) log.info(f'Loaded weights from {model.model_path}') feature_utils = FeaturesUtils(tod_vae_ckpt=model.vae_path, synchformer_ckpt=model.synchformer_ckpt, enable_conditions=True, mode=model.mode, bigvgan_vocoder_ckpt=model.bigvgan_16k_path, need_vae_encoder=False) feature_utils = feature_utils.to(device, dtype).eval() return net, feature_utils, seq_cfg net, feature_utils, seq_cfg = get_model() @spaces.GPU(duration=120) @torch.inference_mode() def video_to_audio(video: gr.Video, prompt: str, negative_prompt: str, seed: int, num_steps: int, cfg_strength: float, duration: float): rng = torch.Generator(device=device) if seed >= 0: rng.manual_seed(seed) else: rng.seed() fm = FlowMatching(min_sigma=0, inference_mode='euler', num_steps=num_steps) video_info = load_video(video, duration) clip_frames = video_info.clip_frames sync_frames = video_info.sync_frames duration = video_info.duration_sec clip_frames = clip_frames.unsqueeze(0) sync_frames = sync_frames.unsqueeze(0) seq_cfg.duration = duration net.update_seq_lengths(seq_cfg.latent_seq_len, seq_cfg.clip_seq_len, seq_cfg.sync_seq_len) audios = generate(clip_frames, sync_frames, [prompt], negative_text=[negative_prompt], feature_utils=feature_utils, net=net, fm=fm, rng=rng, cfg_strength=cfg_strength) audio = audios.float().cpu()[0] # current_time_string = datetime.now().strftime('%Y%m%d_%H%M%S') video_save_path = tempfile.NamedTemporaryFile(delete=False, suffix='.mp4').name # output_dir.mkdir(exist_ok=True, parents=True) # video_save_path = output_dir / f'{current_time_string}.mp4' make_video(video_info, video_save_path, audio, sampling_rate=seq_cfg.sampling_rate) log.info(f'Saved video to {video_save_path}') return video_save_path @spaces.GPU(duration=120) @torch.inference_mode() def text_to_audio(prompt: str, negative_prompt: str, seed: int, num_steps: int, cfg_strength: float, duration: float): rng = torch.Generator(device=device) if seed >= 0: rng.manual_seed(seed) else: rng.seed() fm = FlowMatching(min_sigma=0, inference_mode='euler', num_steps=num_steps) clip_frames = sync_frames = None seq_cfg.duration = duration net.update_seq_lengths(seq_cfg.latent_seq_len, seq_cfg.clip_seq_len, seq_cfg.sync_seq_len) audios = generate(clip_frames, sync_frames, [prompt], negative_text=[negative_prompt], feature_utils=feature_utils, net=net, fm=fm, rng=rng, cfg_strength=cfg_strength) audio = audios.float().cpu()[0] audio_save_path = tempfile.NamedTemporaryFile(delete=False, suffix='.flac').name torchaudio.save(audio_save_path, audio, seq_cfg.sampling_rate) log.info(f'Saved audio to {audio_save_path}') return audio_save_path video_to_audio_tab = gr.Interface( fn=video_to_audio, description=""" Project page: https://hkchengrex.com/MMAudio/
Code: https://github.com/hkchengrex/MMAudio
NOTE: It takes longer to process high-resolution videos (>384 px on the shorter side). Doing so does not improve results. """, inputs=[ gr.Video(), gr.Text(label='Prompt'), gr.Text(label='Negative prompt', value='music'), gr.Number(label='Seed (-1: random)', value=-1, precision=0, minimum=-1), gr.Number(label='Num steps', value=25, precision=0, minimum=1), gr.Number(label='Guidance Strength', value=4.5, minimum=1), gr.Number(label='Duration (sec)', value=8, minimum=1), ], outputs='playable_video', cache_examples=False, title='MMAudio — Video-to-Audio Synthesis', examples=[ [ 'https://huggingface.co/hkchengrex/MMAudio/resolve/main/examples/sora_beach.mp4', 'waves, seagulls', '', 0, 25, 4.5, 10, ], [ 'https://huggingface.co/hkchengrex/MMAudio/resolve/main/examples/sora_serpent.mp4', '', 'music', 0, 25, 4.5, 10, ], [ 'https://huggingface.co/hkchengrex/MMAudio/resolve/main/examples/sora_seahorse.mp4', 'bubbles', '', 0, 25, 4.5, 10, ], [ 'https://huggingface.co/hkchengrex/MMAudio/resolve/main/examples/sora_india.mp4', 'Indian holy music', '', 0, 25, 4.5, 10, ], [ 'https://huggingface.co/hkchengrex/MMAudio/resolve/main/examples/sora_galloping.mp4', 'galloping', '', 0, 25, 4.5, 10, ], [ 'https://huggingface.co/hkchengrex/MMAudio/resolve/main/examples/sora_kraken.mp4', 'waves, storm', '', 0, 25, 4.5, 10, ], [ 'https://huggingface.co/hkchengrex/MMAudio/resolve/main/examples/sora_nyc.mp4', '', '', 0, 25, 4.5, 10, ], [ 'https://huggingface.co/hkchengrex/MMAudio/resolve/main/examples/mochi_storm.mp4', 'storm', '', 0, 25, 4.5, 10, ], [ 'https://huggingface.co/hkchengrex/MMAudio/resolve/main/examples/hunyuan_spring.mp4', '', '', 0, 25, 4.5, 10, ], [ 'https://huggingface.co/hkchengrex/MMAudio/resolve/main/examples/hunyuan_typing.mp4', 'typing', '', 0, 25, 4.5, 10, ], [ 'https://huggingface.co/hkchengrex/MMAudio/resolve/main/examples/hunyuan_wake_up.mp4', '', '', 0, 25, 4.5, 10, ], ]) text_to_audio_tab = gr.Interface( fn=text_to_audio, inputs=[ gr.Text(label='Prompt'), gr.Text(label='Negative prompt'), gr.Number(label='Seed (-1: random)', value=-1, precision=0, minimum=-1), gr.Number(label='Num steps', value=25, precision=0, minimum=1), gr.Number(label='Guidance Strength', value=4.5, minimum=1), gr.Number(label='Duration (sec)', value=8, minimum=1), ], outputs='audio', cache_examples=False, title='MMAudio — Text-to-Audio Synthesis', ) if __name__ == "__main__": gr.TabbedInterface([video_to_audio_tab, text_to_audio_tab], ['Video-to-Audio', 'Text-to-Audio']).launch(allowed_paths=[output_dir])