import librosa import numpy as np import onnxruntime import soundfile class ContentVec: def __init__(self, vec_path="pretrained/vec-768-layer-12.onnx", device=None): print("load model(s) from {}".format(vec_path)) if device == "cpu" or device is None: providers = ["CPUExecutionProvider"] elif device == "cuda": providers = ["CUDAExecutionProvider", "CPUExecutionProvider"] elif device == "dml": providers = ["DmlExecutionProvider"] else: raise RuntimeError("Unsportted Device") self.model = onnxruntime.InferenceSession(vec_path, providers=providers) def __call__(self, wav): return self.forward(wav) def forward(self, wav): feats = wav if feats.ndim == 2: # double channels feats = feats.mean(-1) assert feats.ndim == 1, feats.ndim feats = np.expand_dims(np.expand_dims(feats, 0), 0) onnx_input = {self.model.get_inputs()[0].name: feats} logits = self.model.run(None, onnx_input)[0] return logits.transpose(0, 2, 1) def get_f0_predictor(f0_predictor, hop_length, sampling_rate, **kargs): if f0_predictor == "pm": from lib.infer_pack.modules.F0Predictor.PMF0Predictor import PMF0Predictor f0_predictor_object = PMF0Predictor( hop_length=hop_length, sampling_rate=sampling_rate ) elif f0_predictor == "harvest": from lib.infer_pack.modules.F0Predictor.HarvestF0Predictor import ( HarvestF0Predictor, ) f0_predictor_object = HarvestF0Predictor( hop_length=hop_length, sampling_rate=sampling_rate ) elif f0_predictor == "dio": from lib.infer_pack.modules.F0Predictor.DioF0Predictor import DioF0Predictor f0_predictor_object = DioF0Predictor( hop_length=hop_length, sampling_rate=sampling_rate ) else: raise Exception("Unknown f0 predictor") return f0_predictor_object class OnnxRVC: def __init__( self, model_path, sr=40000, hop_size=512, vec_path="vec-768-layer-12", device="cpu", ): vec_path = f"pretrained/{vec_path}.onnx" self.vec_model = ContentVec(vec_path, device) if device == "cpu" or device is None: providers = ["CPUExecutionProvider"] elif device == "cuda": providers = ["CUDAExecutionProvider", "CPUExecutionProvider"] elif device == "dml": providers = ["DmlExecutionProvider"] else: raise RuntimeError("Unsportted Device") self.model = onnxruntime.InferenceSession(model_path, providers=providers) self.sampling_rate = sr self.hop_size = hop_size def forward(self, hubert, hubert_length, pitch, pitchf, ds, rnd): onnx_input = { self.model.get_inputs()[0].name: hubert, self.model.get_inputs()[1].name: hubert_length, self.model.get_inputs()[2].name: pitch, self.model.get_inputs()[3].name: pitchf, self.model.get_inputs()[4].name: ds, self.model.get_inputs()[5].name: rnd, } return (self.model.run(None, onnx_input)[0] * 32767).astype(np.int16) def inference( self, raw_path, sid, f0_method="dio", f0_up_key=0, pad_time=0.5, cr_threshold=0.02, ): f0_min = 50 f0_max = 1100 f0_mel_min = 1127 * np.log(1 + f0_min / 700) f0_mel_max = 1127 * np.log(1 + f0_max / 700) f0_predictor = get_f0_predictor( f0_method, hop_length=self.hop_size, sampling_rate=self.sampling_rate, threshold=cr_threshold, ) wav, sr = librosa.load(raw_path, sr=self.sampling_rate) org_length = len(wav) if org_length / sr > 50.0: raise RuntimeError("Reached Max Length") wav16k = librosa.resample(wav, orig_sr=self.sampling_rate, target_sr=16000) wav16k = wav16k hubert = self.vec_model(wav16k) hubert = np.repeat(hubert, 2, axis=2).transpose(0, 2, 1).astype(np.float32) hubert_length = hubert.shape[1] pitchf = f0_predictor.compute_f0(wav, hubert_length) pitchf = pitchf * 2 ** (f0_up_key / 12) pitch = pitchf.copy() f0_mel = 1127 * np.log(1 + pitch / 700) f0_mel[f0_mel > 0] = (f0_mel[f0_mel > 0] - f0_mel_min) * 254 / ( f0_mel_max - f0_mel_min ) + 1 f0_mel[f0_mel <= 1] = 1 f0_mel[f0_mel > 255] = 255 pitch = np.rint(f0_mel).astype(np.int64) pitchf = pitchf.reshape(1, len(pitchf)).astype(np.float32) pitch = pitch.reshape(1, len(pitch)) ds = np.array([sid]).astype(np.int64) rnd = np.random.randn(1, 192, hubert_length).astype(np.float32) hubert_length = np.array([hubert_length]).astype(np.int64) out_wav = self.forward(hubert, hubert_length, pitch, pitchf, ds, rnd).squeeze() out_wav = np.pad(out_wav, (0, 2 * self.hop_size), "constant") return out_wav[0:org_length]