from core.leras import nn tf = nn.tf class DeepFakeArchi(nn.ArchiBase): """ resolution mod None - default 'uhd' 'quick' """ def __init__(self, resolution, mod=None): super().__init__() if mod is None: class Downscale(nn.ModelBase): def __init__(self, in_ch, out_ch, kernel_size=5, dilations=1, subpixel=True, use_activator=True, *kwargs ): self.in_ch = in_ch self.out_ch = out_ch self.kernel_size = kernel_size self.dilations = dilations self.subpixel = subpixel self.use_activator = use_activator super().__init__(*kwargs) def on_build(self, *args, **kwargs ): self.conv1 = nn.Conv2D( self.in_ch, self.out_ch // (4 if self.subpixel else 1), kernel_size=self.kernel_size, strides=1 if self.subpixel else 2, padding='SAME', dilations=self.dilations) def forward(self, x): x = self.conv1(x) if self.subpixel: x = nn.space_to_depth(x, 2) if self.use_activator: x = tf.nn.leaky_relu(x, 0.1) return x def get_out_ch(self): return (self.out_ch // 4) * 4 if self.subpixel else self.out_ch class DownscaleBlock(nn.ModelBase): def on_build(self, in_ch, ch, n_downscales, kernel_size, dilations=1, subpixel=True): self.downs = [] last_ch = in_ch for i in range(n_downscales): cur_ch = ch*( min(2**i, 8) ) self.downs.append ( Downscale(last_ch, cur_ch, kernel_size=kernel_size, dilations=dilations, subpixel=subpixel) ) last_ch = self.downs[-1].get_out_ch() def forward(self, inp): x = inp for down in self.downs: x = down(x) return x class Upscale(nn.ModelBase): def on_build(self, in_ch, out_ch, kernel_size=3 ): self.conv1 = nn.Conv2D( in_ch, out_ch*4, kernel_size=kernel_size, padding='SAME') def forward(self, x): x = self.conv1(x) x = tf.nn.leaky_relu(x, 0.1) x = nn.depth_to_space(x, 2) return x class ResidualBlock(nn.ModelBase): def on_build(self, ch, kernel_size=3 ): self.conv1 = nn.Conv2D( ch, ch, kernel_size=kernel_size, padding='SAME') self.conv2 = nn.Conv2D( ch, ch, kernel_size=kernel_size, padding='SAME') def forward(self, inp): x = self.conv1(inp) x = tf.nn.leaky_relu(x, 0.2) x = self.conv2(x) x = tf.nn.leaky_relu(inp + x, 0.2) return x class UpdownResidualBlock(nn.ModelBase): def on_build(self, ch, inner_ch, kernel_size=3 ): self.up = Upscale (ch, inner_ch, kernel_size=kernel_size) self.res = ResidualBlock (inner_ch, kernel_size=kernel_size) self.down = Downscale (inner_ch, ch, kernel_size=kernel_size, use_activator=False) def forward(self, inp): x = self.up(inp) x = upx = self.res(x) x = self.down(x) x = x + inp x = tf.nn.leaky_relu(x, 0.2) return x, upx class Encoder(nn.ModelBase): def on_build(self, in_ch, e_ch, is_hd): self.is_hd=is_hd if self.is_hd: self.down1 = DownscaleBlock(in_ch, e_ch*2, n_downscales=4, kernel_size=3, dilations=1) self.down2 = DownscaleBlock(in_ch, e_ch*2, n_downscales=4, kernel_size=5, dilations=1) self.down3 = DownscaleBlock(in_ch, e_ch//2, n_downscales=4, kernel_size=5, dilations=2) self.down4 = DownscaleBlock(in_ch, e_ch//2, n_downscales=4, kernel_size=7, dilations=2) else: self.down1 = DownscaleBlock(in_ch, e_ch, n_downscales=4, kernel_size=5, dilations=1, subpixel=False) def forward(self, inp): if self.is_hd: x = tf.concat([ nn.flatten(self.down1(inp)), nn.flatten(self.down2(inp)), nn.flatten(self.down3(inp)), nn.flatten(self.down4(inp)) ], -1 ) else: x = nn.flatten(self.down1(inp)) return x lowest_dense_res = resolution // 16 class Inter(nn.ModelBase): def __init__(self, in_ch, ae_ch, ae_out_ch, is_hd=False, **kwargs): self.in_ch, self.ae_ch, self.ae_out_ch = in_ch, ae_ch, ae_out_ch super().__init__(**kwargs) def on_build(self): in_ch, ae_ch, ae_out_ch = self.in_ch, self.ae_ch, self.ae_out_ch self.dense1 = nn.Dense( in_ch, ae_ch ) self.dense2 = nn.Dense( ae_ch, lowest_dense_res * lowest_dense_res * ae_out_ch ) self.upscale1 = Upscale(ae_out_ch, ae_out_ch) def forward(self, inp): x = self.dense1(inp) x = self.dense2(x) x = nn.reshape_4D (x, lowest_dense_res, lowest_dense_res, self.ae_out_ch) x = self.upscale1(x) return x @staticmethod def get_code_res(): return lowest_dense_res def get_out_ch(self): return self.ae_out_ch class Decoder(nn.ModelBase): def on_build(self, in_ch, d_ch, d_mask_ch, is_hd ): self.is_hd = is_hd self.upscale0 = Upscale(in_ch, d_ch*8, kernel_size=3) self.upscale1 = Upscale(d_ch*8, d_ch*4, kernel_size=3) self.upscale2 = Upscale(d_ch*4, d_ch*2, kernel_size=3) if is_hd: self.res0 = UpdownResidualBlock(in_ch, d_ch*8, kernel_size=3) self.res1 = UpdownResidualBlock(d_ch*8, d_ch*4, kernel_size=3) self.res2 = UpdownResidualBlock(d_ch*4, d_ch*2, kernel_size=3) self.res3 = UpdownResidualBlock(d_ch*2, d_ch, kernel_size=3) else: self.res0 = ResidualBlock(d_ch*8, kernel_size=3) self.res1 = ResidualBlock(d_ch*4, kernel_size=3) self.res2 = ResidualBlock(d_ch*2, kernel_size=3) self.out_conv = nn.Conv2D( d_ch*2, 3, kernel_size=1, padding='SAME') self.upscalem0 = Upscale(in_ch, d_mask_ch*8, kernel_size=3) self.upscalem1 = Upscale(d_mask_ch*8, d_mask_ch*4, kernel_size=3) self.upscalem2 = Upscale(d_mask_ch*4, d_mask_ch*2, kernel_size=3) self.out_convm = nn.Conv2D( d_mask_ch*2, 1, kernel_size=1, padding='SAME') def forward(self, inp): z = inp if self.is_hd: x, upx = self.res0(z) x = self.upscale0(x) x = tf.nn.leaky_relu(x + upx, 0.2) x, upx = self.res1(x) x = self.upscale1(x) x = tf.nn.leaky_relu(x + upx, 0.2) x, upx = self.res2(x) x = self.upscale2(x) x = tf.nn.leaky_relu(x + upx, 0.2) x, upx = self.res3(x) else: x = self.upscale0(z) x = self.res0(x) x = self.upscale1(x) x = self.res1(x) x = self.upscale2(x) x = self.res2(x) m = self.upscalem0(z) m = self.upscalem1(m) m = self.upscalem2(m) return tf.nn.sigmoid(self.out_conv(x)), \ tf.nn.sigmoid(self.out_convm(m)) elif mod == 'quick': class Downscale(nn.ModelBase): def __init__(self, in_ch, out_ch, kernel_size=5, dilations=1, subpixel=True, use_activator=True, *kwargs ): self.in_ch = in_ch self.out_ch = out_ch self.kernel_size = kernel_size self.dilations = dilations self.subpixel = subpixel self.use_activator = use_activator super().__init__(*kwargs) def on_build(self, *args, **kwargs ): self.conv1 = nn.Conv2D( self.in_ch, self.out_ch // (4 if self.subpixel else 1), kernel_size=self.kernel_size, strides=1 if self.subpixel else 2, padding='SAME', dilations=self.dilations ) def forward(self, x): x = self.conv1(x) if self.subpixel: x = nn.space_to_depth(x, 2) if self.use_activator: x = nn.gelu(x) return x def get_out_ch(self): return (self.out_ch // 4) * 4 if self.subpixel else self.out_ch class DownscaleBlock(nn.ModelBase): def on_build(self, in_ch, ch, n_downscales, kernel_size, dilations=1, subpixel=True): self.downs = [] last_ch = in_ch for i in range(n_downscales): cur_ch = ch*( min(2**i, 8) ) self.downs.append ( Downscale(last_ch, cur_ch, kernel_size=kernel_size, dilations=dilations, subpixel=subpixel) ) last_ch = self.downs[-1].get_out_ch() def forward(self, inp): x = inp for down in self.downs: x = down(x) return x class Upscale(nn.ModelBase): def on_build(self, in_ch, out_ch, kernel_size=3 ): self.conv1 = nn.Conv2D( in_ch, out_ch*4, kernel_size=kernel_size, padding='SAME') def forward(self, x): x = self.conv1(x) x = nn.gelu(x) x = nn.depth_to_space(x, 2) return x class ResidualBlock(nn.ModelBase): def on_build(self, ch, kernel_size=3 ): self.conv1 = nn.Conv2D( ch, ch, kernel_size=kernel_size, padding='SAME') self.conv2 = nn.Conv2D( ch, ch, kernel_size=kernel_size, padding='SAME') def forward(self, inp): x = self.conv1(inp) x = nn.gelu(x) x = self.conv2(x) x = inp + x x = nn.gelu(x) return x class Encoder(nn.ModelBase): def on_build(self, in_ch, e_ch): self.down1 = DownscaleBlock(in_ch, e_ch, n_downscales=4, kernel_size=5) def forward(self, inp): return nn.flatten(self.down1(inp)) lowest_dense_res = resolution // 16 class Inter(nn.ModelBase): def __init__(self, in_ch, ae_ch, ae_out_ch, d_ch, **kwargs): self.in_ch, self.ae_ch, self.ae_out_ch, self.d_ch = in_ch, ae_ch, ae_out_ch, d_ch super().__init__(**kwargs) def on_build(self): in_ch, ae_ch, ae_out_ch, d_ch = self.in_ch, self.ae_ch, self.ae_out_ch, self.d_ch self.dense1 = nn.Dense( in_ch, ae_ch, kernel_initializer=tf.initializers.orthogonal ) self.dense2 = nn.Dense( ae_ch, lowest_dense_res * lowest_dense_res * ae_out_ch, kernel_initializer=tf.initializers.orthogonal ) self.upscale1 = Upscale(ae_out_ch, d_ch*8) self.res1 = ResidualBlock(d_ch*8) def forward(self, inp): x = self.dense1(inp) x = self.dense2(x) x = nn.reshape_4D (x, lowest_dense_res, lowest_dense_res, self.ae_out_ch) x = self.upscale1(x) x = self.res1(x) return x def get_out_ch(self): return self.ae_out_ch class Decoder(nn.ModelBase): def on_build(self, in_ch, d_ch): self.upscale1 = Upscale(in_ch, d_ch*4) self.res1 = ResidualBlock(d_ch*4) self.upscale2 = Upscale(d_ch*4, d_ch*2) self.res2 = ResidualBlock(d_ch*2) self.upscale3 = Upscale(d_ch*2, d_ch*1) self.res3 = ResidualBlock(d_ch*1) self.upscalem1 = Upscale(in_ch, d_ch) self.upscalem2 = Upscale(d_ch, d_ch//2) self.upscalem3 = Upscale(d_ch//2, d_ch//2) self.out_conv = nn.Conv2D( d_ch*1, 3, kernel_size=1, padding='SAME') self.out_convm = nn.Conv2D( d_ch//2, 1, kernel_size=1, padding='SAME') def forward(self, inp): z = inp x = self.upscale1 (z) x = self.res1 (x) x = self.upscale2 (x) x = self.res2 (x) x = self.upscale3 (x) x = self.res3 (x) y = self.upscalem1 (z) y = self.upscalem2 (y) y = self.upscalem3 (y) return tf.nn.sigmoid(self.out_conv(x)), \ tf.nn.sigmoid(self.out_convm(y)) elif mod == 'uhd': class Downscale(nn.ModelBase): def __init__(self, in_ch, out_ch, kernel_size=5, dilations=1, subpixel=True, use_activator=True, *kwargs ): self.in_ch = in_ch self.out_ch = out_ch self.kernel_size = kernel_size self.dilations = dilations self.subpixel = subpixel self.use_activator = use_activator super().__init__(*kwargs) def on_build(self, *args, **kwargs ): self.conv1 = nn.Conv2D( self.in_ch, self.out_ch // (4 if self.subpixel else 1), kernel_size=self.kernel_size, strides=1 if self.subpixel else 2, padding='SAME', dilations=self.dilations) def forward(self, x): x = self.conv1(x) if self.subpixel: x = nn.space_to_depth(x, 2) if self.use_activator: x = tf.nn.leaky_relu(x, 0.1) return x def get_out_ch(self): return (self.out_ch // 4) * 4 if self.subpixel else self.out_ch class DownscaleBlock(nn.ModelBase): def on_build(self, in_ch, ch, n_downscales, kernel_size, dilations=1, subpixel=True): self.downs = [] last_ch = in_ch for i in range(n_downscales): cur_ch = ch*( min(2**i, 8) ) self.downs.append ( Downscale(last_ch, cur_ch, kernel_size=kernel_size, dilations=dilations, subpixel=subpixel) ) last_ch = self.downs[-1].get_out_ch() def forward(self, inp): x = inp for down in self.downs: x = down(x) return x class Upscale(nn.ModelBase): def on_build(self, in_ch, out_ch, kernel_size=3 ): self.conv1 = nn.Conv2D( in_ch, out_ch*4, kernel_size=kernel_size, padding='SAME') def forward(self, x): x = self.conv1(x) x = tf.nn.leaky_relu(x, 0.1) x = nn.depth_to_space(x, 2) return x class ResidualBlock(nn.ModelBase): def on_build(self, ch, kernel_size=3 ): self.conv1 = nn.Conv2D( ch, ch, kernel_size=kernel_size, padding='SAME') self.conv2 = nn.Conv2D( ch, ch, kernel_size=kernel_size, padding='SAME') def forward(self, inp): x = self.conv1(inp) x = tf.nn.leaky_relu(x, 0.2) x = self.conv2(x) x = tf.nn.leaky_relu(inp + x, 0.2) return x class Encoder(nn.ModelBase): def on_build(self, in_ch, e_ch, **kwargs): self.down1 = DownscaleBlock(in_ch, e_ch, n_downscales=4, kernel_size=5, dilations=1, subpixel=False) def forward(self, inp): x = nn.flatten(self.down1(inp)) return x lowest_dense_res = resolution // 16 class Inter(nn.ModelBase): def on_build(self, in_ch, ae_ch, ae_out_ch, **kwargs): self.ae_out_ch = ae_out_ch self.dense_norm = nn.DenseNorm() self.dense1 = nn.Dense( in_ch, ae_ch ) self.dense2 = nn.Dense( ae_ch, lowest_dense_res * lowest_dense_res * ae_out_ch ) self.upscale1 = Upscale(ae_out_ch, ae_out_ch) def forward(self, inp): x = self.dense_norm(inp) x = self.dense1(x) x = self.dense2(x) x = nn.reshape_4D (x, lowest_dense_res, lowest_dense_res, self.ae_out_ch) x = self.upscale1(x) return x @staticmethod def get_code_res(): return lowest_dense_res def get_out_ch(self): return self.ae_out_ch class Decoder(nn.ModelBase): def on_build(self, in_ch, d_ch, d_mask_ch, **kwargs ): self.upscale0 = Upscale(in_ch, d_ch*8, kernel_size=3) self.upscale1 = Upscale(d_ch*8, d_ch*4, kernel_size=3) self.upscale2 = Upscale(d_ch*4, d_ch*2, kernel_size=3) self.res0 = ResidualBlock(d_ch*8, kernel_size=3) self.res1 = ResidualBlock(d_ch*4, kernel_size=3) self.res2 = ResidualBlock(d_ch*2, kernel_size=3) self.out_conv = nn.Conv2D( d_ch*2, 3, kernel_size=1, padding='SAME') self.upscalem0 = Upscale(in_ch, d_mask_ch*8, kernel_size=3) self.upscalem1 = Upscale(d_mask_ch*8, d_mask_ch*4, kernel_size=3) self.upscalem2 = Upscale(d_mask_ch*4, d_mask_ch*2, kernel_size=3) self.out_convm = nn.Conv2D( d_mask_ch*2, 1, kernel_size=1, padding='SAME') def forward(self, inp): z = inp x = self.upscale0(z) x = self.res0(x) x = self.upscale1(x) x = self.res1(x) x = self.upscale2(x) x = self.res2(x) m = self.upscalem0(z) m = self.upscalem1(m) m = self.upscalem2(m) return tf.nn.sigmoid(self.out_conv(x)), \ tf.nn.sigmoid(self.out_convm(m)) self.Encoder = Encoder self.Inter = Inter self.Decoder = Decoder nn.DeepFakeArchi = DeepFakeArchi