mirror of
https://github.com/Anjok07/ultimatevocalremovergui.git
synced 2024-11-24 15:30:11 +01:00
215 lines
8.3 KiB
Python
215 lines
8.3 KiB
Python
import argparse
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import os
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import cv2
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import librosa
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import numpy as np
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import soundfile as sf
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import torch
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import time
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from tqdm import tqdm
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from lib import dataset
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from lib import nets
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from lib import spec_utils
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from lib.model_param_init import ModelParameters
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class VocalRemover(object):
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def __init__(self, model, device, window_size):
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self.model = model
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self.offset = model.offset
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self.device = device
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self.window_size = window_size
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def _execute(self, X_mag_pad, roi_size, n_window, aggressiveness):
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self.model.eval()
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with torch.no_grad():
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preds = []
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for i in tqdm(range(n_window)):
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start = i * roi_size
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X_mag_window = X_mag_pad[None, :, :, start:start + self.window_size]
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X_mag_window = torch.from_numpy(X_mag_window).to(self.device)
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pred = self.model.predict(X_mag_window, aggressiveness)
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pred = pred.detach().cpu().numpy()
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preds.append(pred[0])
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pred = np.concatenate(preds, axis=2)
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return pred
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def preprocess(self, X_spec):
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X_mag = np.abs(X_spec)
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X_phase = np.angle(X_spec)
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return X_mag, X_phase
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def inference(self, X_spec, aggressiveness):
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X_mag, X_phase = self.preprocess(X_spec)
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coef = X_mag.max()
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X_mag_pre = X_mag / coef
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n_frame = X_mag_pre.shape[2]
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pad_l, pad_r, roi_size = dataset.make_padding(n_frame, self.window_size, self.offset)
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n_window = int(np.ceil(n_frame / roi_size))
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X_mag_pad = np.pad(X_mag_pre, ((0, 0), (0, 0), (pad_l, pad_r)), mode='constant')
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pred = self._execute(X_mag_pad, roi_size, n_window, aggressiveness)
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pred = pred[:, :, :n_frame]
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return pred * coef, X_mag, np.exp(1.j * X_phase)
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def inference_tta(self, X_spec, aggressiveness):
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X_mag, X_phase = self.preprocess(X_spec)
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coef = X_mag.max()
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X_mag_pre = X_mag / coef
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n_frame = X_mag_pre.shape[2]
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pad_l, pad_r, roi_size = dataset.make_padding(n_frame, self.window_size, self.offset)
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n_window = int(np.ceil(n_frame / roi_size))
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X_mag_pad = np.pad(X_mag_pre, ((0, 0), (0, 0), (pad_l, pad_r)), mode='constant')
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pred = self._execute(X_mag_pad, roi_size, n_window, aggressiveness)
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pred = pred[:, :, :n_frame]
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pad_l += roi_size // 2
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pad_r += roi_size // 2
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n_window += 1
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X_mag_pad = np.pad(X_mag_pre, ((0, 0), (0, 0), (pad_l, pad_r)), mode='constant')
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pred_tta = self._execute(X_mag_pad, roi_size, n_window, aggressiveness)
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pred_tta = pred_tta[:, :, roi_size // 2:]
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pred_tta = pred_tta[:, :, :n_frame]
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return (pred + pred_tta) * 0.5 * coef, X_mag, np.exp(1.j * X_phase)
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def main():
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p = argparse.ArgumentParser()
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p.add_argument('--gpu', '-g', type=int, default=-1)
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p.add_argument('--pretrained_model', '-P', type=str, default='models/baseline.pth')
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p.add_argument('--input', '-i', required=True)
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p.add_argument('--model_params', '-m', type=str, default='')
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p.add_argument('--window_size', '-w', type=int, default=320)
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p.add_argument('--output_image', '-I', action='store_true')
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p.add_argument('--postprocess', '-p', action='store_true')
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p.add_argument('--tta', '-t', action='store_true')
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p.add_argument('--high_end_process', '-H', type=str, choices=['none', 'bypass', 'correlation'], default='none')
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p.add_argument('--aggressiveness', '-A', type=float, default=0.1)
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args = p.parse_args()
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mp = ModelParameters(args.model_params)
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start = time.time()
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print('loading model...', end=' ')
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device = torch.device('cpu')
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model = nets.CascadedASPPNet(mp.param['bins'] * 2)
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model.load_state_dict(torch.load(args.pretrained_model, map_location=device))
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if torch.cuda.is_available() and args.gpu >= 0:
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device = torch.device('cuda:{}'.format(args.gpu))
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model.to(device)
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print('done')
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print('loading & stft of wave source...', end=' ')
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X_wave, y_wave, X_spec_s, y_spec_s = {}, {}, {}, {}
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basename = os.path.splitext(os.path.basename(args.input))[0]
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bands_n = len(mp.param['band'])
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for d in range(bands_n, 0, -1):
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bp = mp.param['band'][d]
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if d == bands_n: # high-end band
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X_wave[d], _ = librosa.load(
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args.input, bp['sr'], False, dtype=np.float32, res_type=bp['res_type'])
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if X_wave[d].ndim == 1:
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X_wave[d] = np.asarray([X_wave[d], X_wave[d]])
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else: # lower bands
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X_wave[d] = librosa.resample(X_wave[d+1], mp.param['band'][d+1]['sr'], bp['sr'], res_type=bp['res_type'])
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X_spec_s[d] = spec_utils.wave_to_spectrogram_mt(X_wave[d], bp['hl'], bp['n_fft'], mp.param['mid_side'])
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if d == bands_n and args.high_end_process in ['bypass', 'correlation']:
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input_high_end_h = (bp['n_fft']//2 - bp['crop_stop']) + (mp.param['pre_filter_stop'] - mp.param['pre_filter_start'])
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input_high_end = X_spec_s[d][:, bp['n_fft']//2-input_high_end_h:bp['n_fft']//2, :]
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X_spec_m = spec_utils.combine_spectrograms(X_spec_s, mp)
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del X_wave, X_spec_s
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print('done')
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vr = VocalRemover(model, device, args.window_size)
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if args.tta:
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pred, X_mag, X_phase = vr.inference_tta(X_spec_m, {'value': args.aggressiveness, 'split_bin': mp.param['band'][1]['crop_stop']})
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else:
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pred, X_mag, X_phase = vr.inference(X_spec_m, {'value': args.aggressiveness, 'split_bin': mp.param['band'][1]['crop_stop']})
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if args.postprocess:
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print('post processing...', end=' ')
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pred_inv = np.clip(X_mag - pred, 0, np.inf)
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pred = spec_utils.mask_silence(pred, pred_inv)
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print('done')
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if 'is_vocal_model' in mp.param: # swap
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stems = {'inst': 'Vocals', 'vocals': 'Instruments'}
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else:
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stems = {'inst': 'Instruments', 'vocals': 'Vocals'}
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print('inverse stft of {}...'.format(stems['inst']), end=' ')
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y_spec_m = pred * X_phase
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v_spec_m = X_spec_m - y_spec_m
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if args.high_end_process == 'bypass':
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wave = spec_utils.cmb_spectrogram_to_wave(y_spec_m, mp, input_high_end_h, input_high_end)
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elif args.high_end_process == 'correlation': # It needs improvement
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for i in range(input_high_end.shape[2]):
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for c in range(2):
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X_mag_max = np.amax(input_high_end[c, :, i])
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b1 = mp.param['pre_filter_start']-input_high_end_h//2
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b2 = mp.param['pre_filter_start']-1
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if X_mag_max > 0 and np.sum(np.abs(v_spec_m[c, b1:b2, i])) / (b2 - b1) > 0.07:
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y_mag = np.median(y_spec_m[c, b1:b2, i])
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input_high_end[c, :, i] = np.true_divide(input_high_end[c, :, i], abs(X_mag_max) / min(abs(y_mag * 4), abs(X_mag_max)))
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wave = spec_utils.cmb_spectrogram_to_wave(y_spec_m, mp, input_high_end_h, input_high_end)
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else:
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wave = spec_utils.cmb_spectrogram_to_wave(y_spec_m, mp)
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print('done')
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model_name = os.path.splitext(os.path.basename(args.pretrained_model))[0]
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sf.write(os.path.join('separated', '{}_{}_{}.wav'.format(basename, model_name, stems['inst'])), wave, mp.param['sr'])
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print('inverse stft of {}...'.format(stems['vocals']), end=' ')
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wave = spec_utils.cmb_spectrogram_to_wave(v_spec_m, mp)
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print('done')
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sf.write(os.path.join('separated', '{}_{}_{}.wav'.format(basename, model_name, stems['vocals'])), wave, mp.param['sr'])
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if args.output_image:
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with open('{}_{}.jpg'.format(basename, stems['inst']), mode='wb') as f:
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image = spec_utils.spectrogram_to_image(y_spec_m)
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_, bin_image = cv2.imencode('.jpg', image)
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bin_image.tofile(f)
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with open('{}_{}.jpg'.format(basename, stems['vocals']), mode='wb') as f:
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image = spec_utils.spectrogram_to_image(v_spec_m)
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_, bin_image = cv2.imencode('.jpg', image)
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bin_image.tofile(f)
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print('Runtime: {0:.{1}f}s'.format(time.time() - start, 1))
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if __name__ == '__main__':
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main()
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