mirror of
https://github.com/Anjok07/ultimatevocalremovergui.git
synced 2024-11-24 07:20:10 +01:00
136 lines
4.1 KiB
Python
136 lines
4.1 KiB
Python
import torch
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import torch.nn as nn
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from .modules import TFC_TDF
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from pytorch_lightning import LightningModule
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dim_s = 4
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class AbstractMDXNet(LightningModule):
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def __init__(self, target_name, lr, optimizer, dim_c, dim_f, dim_t, n_fft, hop_length, overlap):
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super().__init__()
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self.target_name = target_name
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self.lr = lr
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self.optimizer = optimizer
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self.dim_c = dim_c
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self.dim_f = dim_f
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self.dim_t = dim_t
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self.n_fft = n_fft
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self.n_bins = n_fft // 2 + 1
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self.hop_length = hop_length
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self.window = nn.Parameter(torch.hann_window(window_length=self.n_fft, periodic=True), requires_grad=False)
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self.freq_pad = nn.Parameter(torch.zeros([1, dim_c, self.n_bins - self.dim_f, self.dim_t]), requires_grad=False)
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def get_optimizer(self):
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if self.optimizer == 'rmsprop':
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return torch.optim.RMSprop(self.parameters(), self.lr)
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if self.optimizer == 'adamw':
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return torch.optim.AdamW(self.parameters(), self.lr)
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class ConvTDFNet(AbstractMDXNet):
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def __init__(self, target_name, lr, optimizer, dim_c, dim_f, dim_t, n_fft, hop_length,
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num_blocks, l, g, k, bn, bias, overlap):
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super(ConvTDFNet, self).__init__(
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target_name, lr, optimizer, dim_c, dim_f, dim_t, n_fft, hop_length, overlap)
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#self.save_hyperparameters()
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self.num_blocks = num_blocks
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self.l = l
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self.g = g
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self.k = k
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self.bn = bn
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self.bias = bias
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if optimizer == 'rmsprop':
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norm = nn.BatchNorm2d
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if optimizer == 'adamw':
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norm = lambda input:nn.GroupNorm(2, input)
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self.n = num_blocks // 2
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scale = (2, 2)
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self.first_conv = nn.Sequential(
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nn.Conv2d(in_channels=self.dim_c, out_channels=g, kernel_size=(1, 1)),
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norm(g),
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nn.ReLU(),
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)
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f = self.dim_f
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c = g
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self.encoding_blocks = nn.ModuleList()
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self.ds = nn.ModuleList()
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for i in range(self.n):
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self.encoding_blocks.append(TFC_TDF(c, l, f, k, bn, bias=bias, norm=norm))
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self.ds.append(
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nn.Sequential(
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nn.Conv2d(in_channels=c, out_channels=c + g, kernel_size=scale, stride=scale),
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norm(c + g),
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nn.ReLU()
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)
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)
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f = f // 2
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c += g
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self.bottleneck_block = TFC_TDF(c, l, f, k, bn, bias=bias, norm=norm)
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self.decoding_blocks = nn.ModuleList()
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self.us = nn.ModuleList()
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for i in range(self.n):
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self.us.append(
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nn.Sequential(
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nn.ConvTranspose2d(in_channels=c, out_channels=c - g, kernel_size=scale, stride=scale),
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norm(c - g),
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nn.ReLU()
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)
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)
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f = f * 2
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c -= g
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self.decoding_blocks.append(TFC_TDF(c, l, f, k, bn, bias=bias, norm=norm))
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self.final_conv = nn.Sequential(
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nn.Conv2d(in_channels=c, out_channels=self.dim_c, kernel_size=(1, 1)),
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)
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def forward(self, x):
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x = self.first_conv(x)
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x = x.transpose(-1, -2)
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ds_outputs = []
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for i in range(self.n):
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x = self.encoding_blocks[i](x)
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ds_outputs.append(x)
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x = self.ds[i](x)
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x = self.bottleneck_block(x)
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for i in range(self.n):
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x = self.us[i](x)
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x *= ds_outputs[-i - 1]
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x = self.decoding_blocks[i](x)
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x = x.transpose(-1, -2)
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x = self.final_conv(x)
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return x
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class Mixer(nn.Module):
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def __init__(self, device, mixer_path):
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super(Mixer, self).__init__()
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self.linear = nn.Linear((dim_s+1)*2, dim_s*2, bias=False)
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self.load_state_dict(
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torch.load(mixer_path, map_location=device)
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)
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def forward(self, x):
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x = x.reshape(1,(dim_s+1)*2,-1).transpose(-1,-2)
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x = self.linear(x)
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return x.transpose(-1,-2).reshape(dim_s,2,-1) |