import io import logging import soundfile import torch import torchaudio from flask import Flask, request, send_file from flask_cors import CORS from inference.infer_tool import Svc, RealTimeVC app = Flask(__name__) CORS(app) logging.getLogger('numba').setLevel(logging.WARNING) @app.route("/voiceChangeModel", methods=["POST"]) def voice_change_model(): request_form = request.form wave_file = request.files.get("sample", None) # 变调信息 f_pitch_change = float(request_form.get("fPitchChange", 0)) # DAW所需的采样率 daw_sample = int(float(request_form.get("sampleRate", 0))) speaker_id = int(float(request_form.get("sSpeakId", 0))) # http获得wav文件并转换 input_wav_path = io.BytesIO(wave_file.read()) # 模型推理 if raw_infer: out_audio, out_sr = svc_model.infer(speaker_id, f_pitch_change, input_wav_path) tar_audio = torchaudio.functional.resample(out_audio, svc_model.target_sample, daw_sample) else: out_audio = svc.process(svc_model, speaker_id, f_pitch_change, input_wav_path) tar_audio = torchaudio.functional.resample(torch.from_numpy(out_audio), svc_model.target_sample, daw_sample) # 返回音频 out_wav_path = io.BytesIO() soundfile.write(out_wav_path, tar_audio.cpu().numpy(), daw_sample, format="wav") out_wav_path.seek(0) return send_file(out_wav_path, download_name="temp.wav", as_attachment=True) if __name__ == '__main__': # 启用则为直接切片合成,False为交叉淡化方式 # vst插件调整0.3-0.5s切片时间可以降低延迟,直接切片方法会有连接处爆音、交叉淡化会有轻微重叠声音 # 自行选择能接受的方法,或将vst最大切片时间调整为1s,此处设为Ture,延迟大音质稳定一些 raw_infer = True # 每个模型和config是唯一对应的 model_name = "logs/48k/G_174000-Copy1.pth" config_name = "configs/config.json" svc_model = Svc(model_name, config_name) svc = RealTimeVC() # 此处与vst插件对应,不建议更改 app.run(port=6842, host="0.0.0.0", debug=False, threaded=False)