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from fastapi import HTTPException, Body |
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from fastapi.responses import StreamingResponse |
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from pydantic import BaseModel |
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from fastapi.responses import FileResponse |
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from modules.api.impl.handler.SSMLHandler import SSMLHandler |
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from modules.api.impl.model.audio_model import AdjustConfig, AudioFormat |
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from modules.api.impl.model.chattts_model import InferConfig |
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from modules.api.impl.model.enhancer_model import EnhancerConfig |
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from modules.api.Api import APIManager |
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class SSMLRequest(BaseModel): |
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ssml: str |
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format: AudioFormat = "mp3" |
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batch_size: int = 4 |
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eos: str = "[uv_break]" |
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spliter_thr: int = 100 |
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enhancer: EnhancerConfig = EnhancerConfig() |
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adjuster: AdjustConfig = AdjustConfig() |
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async def synthesize_ssml_api( |
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request: SSMLRequest = Body( |
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..., description="JSON body with SSML string and format" |
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) |
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): |
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try: |
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ssml = request.ssml |
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format = request.format.lower() |
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batch_size = request.batch_size |
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eos = request.eos |
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spliter_thr = request.spliter_thr |
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enhancer = request.enhancer |
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adjuster = request.adjuster |
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if batch_size < 1: |
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raise HTTPException( |
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status_code=400, detail="Batch size must be greater than 0." |
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) |
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if spliter_thr < 50: |
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raise HTTPException( |
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status_code=400, detail="Spliter threshold must be greater than 50." |
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) |
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if not ssml or ssml == "": |
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raise HTTPException(status_code=400, detail="SSML content is required.") |
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if format not in ["mp3", "wav"]: |
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raise HTTPException( |
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status_code=400, detail="Format must be 'mp3' or 'wav'." |
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) |
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infer_config = InferConfig( |
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batch_size=batch_size, |
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spliter_threshold=spliter_thr, |
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eos=eos, |
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) |
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adjust_config = adjuster |
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enhancer_config = enhancer |
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handler = SSMLHandler( |
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ssml_content=ssml, |
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infer_config=infer_config, |
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adjust_config=adjust_config, |
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enhancer_config=enhancer_config, |
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) |
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buffer = handler.enqueue_to_buffer(format=request.format) |
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mime_type = f"audio/{format}" |
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if format == AudioFormat.mp3: |
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mime_type = "audio/mpeg" |
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return StreamingResponse(buffer, media_type=mime_type) |
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except Exception as e: |
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import logging |
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logging.exception(e) |
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if isinstance(e, HTTPException): |
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raise e |
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else: |
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raise HTTPException(status_code=500, detail=str(e)) |
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def setup(api_manager: APIManager): |
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api_manager.post("/v1/ssml", response_class=FileResponse)(synthesize_ssml_api) |
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