Temp/gpt_sovits_api.py
2026-06-17 15:21:31 +08:00

250 lines
9.2 KiB
Python

'''
GPT-SoVITS API - Direct call interface
'''
import os
import sys
import random
import torch
import numpy as np
now_dir = os.path.dirname(os.path.abspath(__file__))
sys.path.append(now_dir)
sys.path.append(os.path.dirname(now_dir))
from TTS_infer_pack.TTS import TTS, TTS_Config
class GPTSoVITSAPI:
def __init__(self, version="v2ProPlus", device=None, is_half=None):
"""
Initialize GPT-SoVITS API (same as WebUI)
Args:
version: Model version, options: v1, v2, v3, v4, v2Pro, v2ProPlus
device: Running device, e.g. "cuda" or "cpu"
is_half: Whether to use half precision
"""
self.version = version
# Set device (same as WebUI)
if device is not None:
self.device = torch.device(device)
else:
self.device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
# Set half precision (same as WebUI)
if is_half is not None:
self.is_half = is_half
else:
self.is_half = torch.cuda.is_available()
# Initialize TTS exactly like WebUI
self._init_tts()
print(f"GPT-SoVITS API initialized")
# print(f" Version: {self.version}")
# print(f" Device: {self.device}")
# print(f" Half precision: {self.is_half}")
# print(f" GPT model: {self.tts.configs.t2s_weights_path}")
# print(f" SoVITS model: {self.tts.configs.vits_weights_path}")
def _init_tts(self):
"""Initialize TTS pipeline exactly like WebUI"""
# Use config file (same as WebUI)
self.tts_config = TTS_Config(os.path.join(now_dir, "configs/tts_infer.yaml"))
self.tts_config.device = self.device
self.tts_config.is_half = self.is_half
self.tts_config.update_version(self.version)
# Create TTS instance
self.tts = TTS(self.tts_config)
def generate(
self,
ref_wav_path,
prompt_text,
text,
prompt_language="all_zh",
text_language="all_zh",
top_k=15,
top_p=1,
temperature=1,
text_split_method="cut1",
batch_size=20,
speed_factor=1.0,
split_bucket=True,
seed=-1,
keep_random=True,
parallel_infer=True,
repetition_penalty=1.35,
sample_steps=32,
super_sampling=False,
output_path=None,
**kwargs
):
"""
Generate speech from text (same parameters as WebUI)
Args:
ref_wav_path: Path to reference audio file
prompt_text: Reference text (should match reference audio)
text: Target text to synthesize
prompt_language: Language of prompt text, options: all_zh, zh, ja, en
text_language: Language of target text, options: all_zh, zh, ja, en
top_k: Top-K sampling parameter
top_p: Top-P sampling parameter
temperature: Temperature for sampling
text_split_method: Text split method, options: cut1, cut2, cut3
batch_size: Batch size for inference
speed_factor: Speed factor (1.0 = normal)
split_bucket: Whether to use bucket splitting
seed: Random seed (-1 = random, or specific seed value)
keep_random: Whether to keep random (True) or use fixed seed (False)
parallel_infer: Whether to use parallel inference
repetition_penalty: Repetition penalty
sample_steps: Number of sampling steps
super_sampling: Whether to use super sampling
output_path: Optional output file path to save audio (e.g., "output.wav")
Returns:
(sample_rate, audio_array) tuple, or (None, None) on failure
"""
# Handle seed (same logic as WebUI)
seed = -1 if keep_random else seed
actual_seed = seed if seed not in [-1, "", None] else random.randint(0, 2**32 - 1)
# Build inputs exactly like WebUI
inputs = {
"text": text,
"text_lang": text_language,
"ref_audio_path": ref_wav_path,
"aux_ref_audio_paths": [],
"prompt_text": prompt_text,
"prompt_lang": prompt_language,
"top_k": top_k,
"top_p": top_p,
"temperature": temperature,
"text_split_method": text_split_method,
"batch_size": batch_size,
"speed_factor": float(speed_factor),
"split_bucket": split_bucket,
"return_fragment": False,
"fragment_interval": 0.3,
"seed": actual_seed,
"parallel_infer": parallel_infer,
"repetition_penalty": repetition_penalty,
"sample_steps": sample_steps,
"super_sampling": super_sampling,
}
# # Print parameters for debugging
# print("=" * 60)
# print("【API 推理参数】")
# print(f" version: {self.version}")
# print(f" text: {text[:50]}..." if len(text) > 50 else f" text: {text}")
# print(f" text_lang: {text_language}")
# print(f" ref_audio_path: {ref_wav_path}")
# print(f" prompt_text: {prompt_text[:50]}..." if len(prompt_text) > 50 else f" prompt_text: {prompt_text}")
# print(f" prompt_lang: {prompt_language}")
# print(f" top_k: {top_k}")
# print(f" top_p: {top_p}")
# print(f" temperature: {temperature}")
# print(f" text_split_method: {text_split_method}")
# print(f" batch_size: {batch_size}")
# print(f" speed_factor: {speed_factor}")
# print(f" split_bucket: {split_bucket}")
# print(f" seed: {actual_seed}")
# print(f" keep_random: {keep_random}")
# print(f" parallel_infer: {parallel_infer}")
# print(f" repetition_penalty: {repetition_penalty}")
# print(f" sample_steps: {sample_steps}")
# print(f" super_sampling: {super_sampling}")
# print("=" * 60)
# Run inference (same as WebUI)
result = None
for item in self.tts.run(inputs):
result = item
if result is not None:
# TTS.run() returns (sr, audio_array) tuple
if isinstance(result, tuple) and len(result) >= 2:
sr = result[0]
audio_data = result[1]
if isinstance(audio_data, np.ndarray):
# Save audio if output_path is provided
if output_path is not None:
try:
import soundfile as sf
sf.write(output_path, audio_data, sr)
print(f"Audio saved to: {output_path}")
except Exception as e:
print(f"Error saving audio: {e}")
return sr, audio_data
else:
print(f"Warning: audio_data is {type(audio_data)}, not numpy array")
return None, None
else:
print(f"Warning: result is {type(result)}, not a tuple")
return None, None
return None, None
def save_audio(self, audio_array, sample_rate, output_path):
"""
Save audio array to file
Args:
audio_array: numpy array of audio data
sample_rate: Sample rate
output_path: Output file path
Returns:
output_path if successful, None otherwise
"""
try:
import soundfile as sf
sf.write(output_path, audio_array, sample_rate)
print(f"Audio saved to: {output_path}")
return output_path
except Exception as e:
print(f"Error saving audio: {e}")
return None
# Command line interface
if __name__ == "__main__":
import argparse
parser = argparse.ArgumentParser(description="GPT-SoVITS API")
parser.add_argument("--ref_wav", required=True, help="Path to reference audio")
parser.add_argument("--prompt_text", required=True, help="Reference text")
parser.add_argument("--text", required=True, help="Target text to synthesize")
parser.add_argument("--prompt_lang", default="all_zh", help="Prompt language")
parser.add_argument("--text_lang", default="all_zh", help="Text language")
parser.add_argument("--output", default="output.wav", help="Output file path")
parser.add_argument("--version", default="v2ProPlus", help="Model version")
parser.add_argument("--seed", type=int, default=819407889, help="Random seed")
args = parser.parse_args()
# Initialize API
api = GPTSoVITSAPI(version=args.version)
# Generate audio
sr, audio = api.generate(
ref_wav_path=args.ref_wav,
prompt_text=args.prompt_text,
text=args.text,
prompt_language=args.prompt_lang,
text_language=args.text_lang,
seed=args.seed
)
# Save output
if sr is not None and audio is not None:
api.save_audio(audio, sr, args.output)
print(f"\n✓ Successfully generated audio: {args.output}")
else:
print("\n✗ Failed to generate audio")