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Update app.py
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app.py
CHANGED
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@@ -2,7 +2,7 @@ import os
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import io
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import traceback
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import numpy as np
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import
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from fastapi import FastAPI, HTTPException
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from fastapi.responses import Response
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from pydantic import BaseModel
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@@ -11,13 +11,11 @@ import uvicorn
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app = FastAPI(title="Supertonic TTS API")
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# Модели для валидации запросов
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class TTSRequest(BaseModel):
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text: str
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lang: str = "ru"
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voice: str = "M2"
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# Глобальная загрузка модели
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print("Загрузка модели Supertonic TTS...")
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tts = TTS(auto_download=True)
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default_style = tts.get_voice_style(voice_name="M2")
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@@ -35,37 +33,50 @@ async def root():
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@app.post("/api/tts")
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async def synthesize(request: TTSRequest):
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try:
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# Получаем стиль голоса
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if request.voice == "M2":
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style = default_style
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else:
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style = tts.get_voice_style(voice_name=request.voice)
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# Синтез
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wav, duration = tts.synthesize(request.text, voice_style=style, lang=request.lang)
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# Конвертация
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if hasattr(wav, 'cpu'):
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wav = wav.cpu().numpy()
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elif hasattr(wav, 'numpy'):
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wav = wav.numpy()
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wav = np.asarray(wav
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# Получаем sample rate
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sample_rate = getattr(tts, 'sample_rate', 24000)
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# Записываем в память
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out = io.BytesIO()
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audio_bytes = out.getvalue()
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# Возвращаем аудио
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return Response(
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content=audio_bytes,
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media_type='audio/wav',
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headers={
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"Content-Disposition":
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"X-Audio-Duration": str(round(duration, 2))
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}
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)
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import io
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import traceback
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import numpy as np
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import scipy.io.wavfile as wavfile # Используем scipy вместо soundfile
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from fastapi import FastAPI, HTTPException
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from fastapi.responses import Response
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from pydantic import BaseModel
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app = FastAPI(title="Supertonic TTS API")
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class TTSRequest(BaseModel):
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text: str
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lang: str = "ru"
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voice: str = "M2"
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print("Загрузка модели Supertonic TTS...")
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tts = TTS(auto_download=True)
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default_style = tts.get_voice_style(voice_name="M2")
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@app.post("/api/tts")
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async def synthesize(request: TTSRequest):
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try:
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# 1. Получаем стиль голоса
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if request.voice == "M2":
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style = default_style
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else:
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style = tts.get_voice_style(voice_name=request.voice)
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# 2. Синтез
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wav, duration = tts.synthesize(request.text, voice_style=style, lang=request.lang)
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# 3. Конвертация в numpy (если модель вернула тензор PyTorch)
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if hasattr(wav, 'cpu'):
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wav = wav.cpu().numpy()
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elif hasattr(wav, 'numpy'):
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wav = wav.numpy()
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wav = np.asarray(wav)
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# 4. Убираем лишние измерения (например, если форма (1, 48000) -> (48000,))
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wav = wav.squeeze()
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# 5. Нормализация и конвертация в int16 (стандарт для WAV)
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# Сначала приводим к float32 для безопасной нормализации
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wav = wav.astype(np.float32)
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max_val = np.max(np.abs(wav))
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if max_val > 1.0:
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wav = wav / max_val
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# Конвертируем в int16 (от -32768 до 32767)
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wav_int16 = (wav * 32767).astype(np.int16)
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# 6. Получаем sample rate
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sample_rate = getattr(tts, 'sample_rate', 24000)
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# 7. Записываем в память через scipy (работает безотказно)
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out = io.BytesIO()
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wavfile.write(out, sample_rate, wav_int16)
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audio_bytes = out.getvalue()
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# 8. Возвращаем аудио
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return Response(
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content=audio_bytes,
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media_type='audio/wav',
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headers={
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"Content-Disposition": "attachment; filename=speech.wav",
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"X-Audio-Duration": str(round(duration, 2))
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}
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)
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