seed-vc-streaming / seed-vc /inference_v2.py
Akatuki25's picture
Add seed-vc Python files without binary examples
1b8b9eb
import os
import argparse
import torch
import yaml
import soundfile as sf
import time
from modules.commons import str2bool
# Set up device and torch configurations
if torch.cuda.is_available():
device = torch.device("cuda")
elif torch.backends.mps.is_available():
device = torch.device("mps")
else:
device = torch.device("cpu")
dtype = torch.float16
# Global variables to store model instances
vc_wrapper_v2 = None
def load_v2_models(args):
"""Load V2 models using the wrapper from app.py"""
from hydra.utils import instantiate
from omegaconf import DictConfig
cfg = DictConfig(yaml.safe_load(open("configs/v2/vc_wrapper.yaml", "r")))
vc_wrapper = instantiate(cfg)
vc_wrapper.load_checkpoints(ar_checkpoint_path=args.ar_checkpoint_path,
cfm_checkpoint_path=args.cfm_checkpoint_path)
vc_wrapper.to(device)
vc_wrapper.eval()
vc_wrapper.setup_ar_caches(max_batch_size=1, max_seq_len=4096, dtype=dtype, device=device)
if args.compile:
torch._inductor.config.coordinate_descent_tuning = True
torch._inductor.config.triton.unique_kernel_names = True
if hasattr(torch._inductor.config, "fx_graph_cache"):
# Experimental feature to reduce compilation times, will be on by default in future
torch._inductor.config.fx_graph_cache = True
vc_wrapper.compile_ar()
# vc_wrapper.compile_cfm()
return vc_wrapper
def convert_voice_v2(source_audio_path, target_audio_path, args):
"""Convert voice using V2 model"""
global vc_wrapper_v2
if vc_wrapper_v2 is None:
vc_wrapper_v2 = load_v2_models(args)
# Use the generator function but collect all outputs
generator = vc_wrapper_v2.convert_voice_with_streaming(
source_audio_path=source_audio_path,
target_audio_path=target_audio_path,
diffusion_steps=args.diffusion_steps,
length_adjust=args.length_adjust,
intelligebility_cfg_rate=args.intelligibility_cfg_rate,
similarity_cfg_rate=args.similarity_cfg_rate,
top_p=args.top_p,
temperature=args.temperature,
repetition_penalty=args.repetition_penalty,
convert_style=args.convert_style,
anonymization_only=args.anonymization_only,
device=device,
dtype=dtype,
stream_output=True
)
# Collect all outputs from the generator
for output in generator:
_, full_audio = output
return full_audio
def main(args):
# Create output directory if it doesn't exist
os.makedirs(args.output, exist_ok=True)
start_time = time.time()
converted_audio = convert_voice_v2(args.source, args.target, args)
end_time = time.time()
if converted_audio is None:
print("Error: Failed to convert voice")
return
# Save the converted audio
source_name = os.path.basename(args.source).split(".")[0]
target_name = os.path.basename(args.target).split(".")[0]
# Create a descriptive filename
filename = f"vc_v2_{source_name}_{target_name}_{args.length_adjust}_{args.diffusion_steps}_{args.similarity_cfg_rate}.wav"
output_path = os.path.join(args.output, filename)
save_sr, converted_audio = converted_audio
sf.write(output_path, converted_audio, save_sr)
print(f"Voice conversion completed in {end_time - start_time:.2f} seconds")
print(f"Output saved to: {output_path}")
if __name__ == "__main__":
parser = argparse.ArgumentParser(description="Voice Conversion Inference Script")
parser.add_argument("--source", type=str, required=True,
help="Path to source audio file")
parser.add_argument("--target", type=str, required=True,
help="Path to target/reference audio file")
parser.add_argument("--output", type=str, default="./output",
help="Output directory for converted audio")
parser.add_argument("--diffusion-steps", type=int, default=30,
help="Number of diffusion steps")
parser.add_argument("--length-adjust", type=float, default=1.0,
help="Length adjustment factor (<1.0 for speed-up, >1.0 for slow-down)")
parser.add_argument("--compile", type=bool, default=False,
help="Whether to compile the model for faster inference")
# V2 specific arguments
parser.add_argument("--intelligibility-cfg-rate", type=float, default=0.7,
help="Intelligibility CFG rate for V2 model")
parser.add_argument("--similarity-cfg-rate", type=float, default=0.7,
help="Similarity CFG rate for V2 model")
parser.add_argument("--top-p", type=float, default=0.9,
help="Top-p sampling parameter for V2 model")
parser.add_argument("--temperature", type=float, default=1.0,
help="Temperature sampling parameter for V2 model")
parser.add_argument("--repetition-penalty", type=float, default=1.0,
help="Repetition penalty for V2 model")
parser.add_argument("--convert-style", type=str2bool, default=False,
help="Convert style/emotion/accent for V2 model")
parser.add_argument("--anonymization-only", type=str2bool, default=False,
help="Anonymization only mode for V2 model")
# V2 custom checkpoints
parser.add_argument("--ar-checkpoint-path", type=str, default=None,
help="Path to custom checkpoint file")
parser.add_argument("--cfm-checkpoint-path", type=str, default=None,
help="Path to custom checkpoint file")
args = parser.parse_args()
main(args)