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Duplicate from innnky/trump

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Co-authored-by: xyj <innnky@users.noreply.huggingface.co>

Files changed (12) hide show
  1. .gitattributes +31 -0
  2. README.md +13 -0
  3. app.py +78 -0
  4. attentions.py +417 -0
  5. checkpoint_best_legacy_500.pt +3 -0
  6. commons.py +164 -0
  7. inference_nof0.py +52 -0
  8. models.py +307 -0
  9. modules.py +522 -0
  10. requirements.txt +13 -0
  11. transforms.py +193 -0
  12. trump.pt +3 -0
.gitattributes ADDED
@@ -0,0 +1,31 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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+ *.7z filter=lfs diff=lfs merge=lfs -text
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+ *.arrow filter=lfs diff=lfs merge=lfs -text
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+ *.bin filter=lfs diff=lfs merge=lfs -text
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+ *.bz2 filter=lfs diff=lfs merge=lfs -text
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+ *.gz filter=lfs diff=lfs merge=lfs -text
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+ *.h5 filter=lfs diff=lfs merge=lfs -text
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+ *.joblib filter=lfs diff=lfs merge=lfs -text
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+ *.lfs.* filter=lfs diff=lfs merge=lfs -text
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+ *.model filter=lfs diff=lfs merge=lfs -text
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+ *.msgpack filter=lfs diff=lfs merge=lfs -text
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+ *.npy filter=lfs diff=lfs merge=lfs -text
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+ *.npz filter=lfs diff=lfs merge=lfs -text
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+ *.onnx filter=lfs diff=lfs merge=lfs -text
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+ *.ot filter=lfs diff=lfs merge=lfs -text
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+ *.parquet filter=lfs diff=lfs merge=lfs -text
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+ *.pickle filter=lfs diff=lfs merge=lfs -text
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+ *.pkl filter=lfs diff=lfs merge=lfs -text
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+ *.pb filter=lfs diff=lfs merge=lfs -text
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+ *.pt filter=lfs diff=lfs merge=lfs -text
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+ *.pth filter=lfs diff=lfs merge=lfs -text
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+ *.rar filter=lfs diff=lfs merge=lfs -text
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+ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
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+ *.tar.* filter=lfs diff=lfs merge=lfs -text
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+ *.tflite filter=lfs diff=lfs merge=lfs -text
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+ *.tgz filter=lfs diff=lfs merge=lfs -text
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+ *.wasm filter=lfs diff=lfs merge=lfs -text
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+ *tfevents* filter=lfs diff=lfs merge=lfs -text
README.md ADDED
@@ -0,0 +1,13 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ ---
2
+ title: Trump
3
+ emoji: 📚
4
+ colorFrom: indigo
5
+ colorTo: yellow
6
+ sdk: gradio
7
+ sdk_version: 3.4
8
+ app_file: app.py
9
+ pinned: false
10
+ duplicated_from: innnky/trump
11
+ ---
12
+
13
+ Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
app.py ADDED
@@ -0,0 +1,78 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ import gradio as gr
2
+
3
+ import logging
4
+ numba_logger = logging.getLogger('numba')
5
+ numba_logger.setLevel(logging.WARNING)
6
+ import torch,pdb
7
+ import numpy as np
8
+ from models import SynthesizerTrnNoF0256
9
+ from fairseq import checkpoint_utils
10
+ import torch.nn.functional as F
11
+ import librosa
12
+
13
+ device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
14
+ model_path = "checkpoint_best_legacy_500.pt"#checkpoint_best_legacy_500.pt
15
+ print("load model(s) from {}".format(model_path))
16
+ models, saved_cfg, task = checkpoint_utils.load_model_ensemble_and_task(
17
+ [model_path],
18
+ suffix="",
19
+ )
20
+ model = models[0]
21
+ model = model.to(device)
22
+ model.eval()
23
+
24
+ net_g = SynthesizerTrnNoF0256(513,40,192,192,768,2,6,3,0.1,"1", [3,7,11],[[1,3,5], [1,3,5], [1,3,5]],[10,4,2,2,2],512,[16,16,4,4,4],0)
25
+ weights=torch.load("trump.pt", map_location=torch.device('cpu'))
26
+ net_g.load_state_dict(weights,strict=True)
27
+ net_g.eval().to(device)
28
+
29
+
30
+ def vc_fn( input_audio):
31
+ if input_audio is None:
32
+ return "You need to upload an audio", None
33
+ sampling_rate, audio = input_audio
34
+ duration = audio.shape[0] / sampling_rate
35
+ if duration > 45:
36
+ return "请上传小于45s的音频,需要转换长音频请使用colab", None
37
+ audio = (audio / np.iinfo(audio.dtype).max).astype(np.float32)
38
+ if len(audio.shape) > 1:
39
+ audio = librosa.to_mono(audio.transpose(1, 0))
40
+ if sampling_rate != 16000:
41
+ audio = librosa.resample(audio, orig_sr=sampling_rate, target_sr=16000)
42
+
43
+ print(audio.shape)
44
+
45
+ feats = torch.from_numpy(audio).float()
46
+ assert feats.dim() == 1, feats.dim()
47
+ feats = feats.view(1, -1)
48
+ padding_mask = torch.BoolTensor(feats.shape).fill_(False)
49
+ inputs = {
50
+ "source": feats.to(device),
51
+ "padding_mask": padding_mask.to(device),
52
+ "output_layer": 9, # layer 9
53
+ }
54
+ with torch.no_grad():
55
+ logits = model.extract_features(**inputs)
56
+ feats = model.final_proj(logits[0])
57
+ feats = F.interpolate(feats.permute(0, 2, 1), scale_factor=2).permute(0, 2, 1)
58
+ p_len = min(feats.shape[1], 10000) # 太大了爆显存
59
+ feats = feats[:, :p_len, :]
60
+ p_len = torch.LongTensor([p_len]).to(device)
61
+ with torch.no_grad():
62
+ audio = net_g.infer(feats, p_len)[0][0, 0].data.cpu().float().numpy()
63
+
64
+ return "Success", (32000, audio)
65
+
66
+
67
+ app = gr.Blocks()
68
+ with app:
69
+ with gr.Tabs():
70
+ with gr.TabItem("Basic"):
71
+ gr.Markdown(value="""""")
72
+ vc_input3 = gr.Audio(label="上传音频(长度小于45秒)")
73
+ vc_submit = gr.Button("转换", variant="primary")
74
+ vc_output1 = gr.Textbox(label="Output Message")
75
+ vc_output2 = gr.Audio(label="Output Audio")
76
+ vc_submit.click(vc_fn, [ vc_input3], [vc_output1, vc_output2])
77
+
78
+ app.launch()
attentions.py ADDED
@@ -0,0 +1,417 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ import copy
2
+ import math
3
+ import numpy as np
4
+ import torch
5
+ from torch import nn
6
+ from torch.nn import functional as F
7
+
8
+ import commons
9
+ import modules
10
+ from modules import LayerNorm
11
+
12
+
13
+ class Encoder(nn.Module):
14
+ def __init__(
15
+ self,
16
+ hidden_channels,
17
+ filter_channels,
18
+ n_heads,
19
+ n_layers,
20
+ kernel_size=1,
21
+ p_dropout=0.0,
22
+ window_size=10,
23
+ **kwargs
24
+ ):
25
+ super().__init__()
26
+ self.hidden_channels = hidden_channels
27
+ self.filter_channels = filter_channels
28
+ self.n_heads = n_heads
29
+ self.n_layers = n_layers
30
+ self.kernel_size = kernel_size
31
+ self.p_dropout = p_dropout
32
+ self.window_size = window_size
33
+
34
+ self.drop = nn.Dropout(p_dropout)
35
+ self.attn_layers = nn.ModuleList()
36
+ self.norm_layers_1 = nn.ModuleList()
37
+ self.ffn_layers = nn.ModuleList()
38
+ self.norm_layers_2 = nn.ModuleList()
39
+ for i in range(self.n_layers):
40
+ self.attn_layers.append(
41
+ MultiHeadAttention(
42
+ hidden_channels,
43
+ hidden_channels,
44
+ n_heads,
45
+ p_dropout=p_dropout,
46
+ window_size=window_size,
47
+ )
48
+ )
49
+ self.norm_layers_1.append(LayerNorm(hidden_channels))
50
+ self.ffn_layers.append(
51
+ FFN(
52
+ hidden_channels,
53
+ hidden_channels,
54
+ filter_channels,
55
+ kernel_size,
56
+ p_dropout=p_dropout,
57
+ )
58
+ )
59
+ self.norm_layers_2.append(LayerNorm(hidden_channels))
60
+
61
+ def forward(self, x, x_mask):
62
+ attn_mask = x_mask.unsqueeze(2) * x_mask.unsqueeze(-1)
63
+ x = x * x_mask
64
+ for i in range(self.n_layers):
65
+ y = self.attn_layers[i](x, x, attn_mask)
66
+ y = self.drop(y)
67
+ x = self.norm_layers_1[i](x + y)
68
+
69
+ y = self.ffn_layers[i](x, x_mask)
70
+ y = self.drop(y)
71
+ x = self.norm_layers_2[i](x + y)
72
+ x = x * x_mask
73
+ return x
74
+
75
+
76
+ class Decoder(nn.Module):
77
+ def __init__(
78
+ self,
79
+ hidden_channels,
80
+ filter_channels,
81
+ n_heads,
82
+ n_layers,
83
+ kernel_size=1,
84
+ p_dropout=0.0,
85
+ proximal_bias=False,
86
+ proximal_init=True,
87
+ **kwargs
88
+ ):
89
+ super().__init__()
90
+ self.hidden_channels = hidden_channels
91
+ self.filter_channels = filter_channels
92
+ self.n_heads = n_heads
93
+ self.n_layers = n_layers
94
+ self.kernel_size = kernel_size
95
+ self.p_dropout = p_dropout
96
+ self.proximal_bias = proximal_bias
97
+ self.proximal_init = proximal_init
98
+
99
+ self.drop = nn.Dropout(p_dropout)
100
+ self.self_attn_layers = nn.ModuleList()
101
+ self.norm_layers_0 = nn.ModuleList()
102
+ self.encdec_attn_layers = nn.ModuleList()
103
+ self.norm_layers_1 = nn.ModuleList()
104
+ self.ffn_layers = nn.ModuleList()
105
+ self.norm_layers_2 = nn.ModuleList()
106
+ for i in range(self.n_layers):
107
+ self.self_attn_layers.append(
108
+ MultiHeadAttention(
109
+ hidden_channels,
110
+ hidden_channels,
111
+ n_heads,
112
+ p_dropout=p_dropout,
113
+ proximal_bias=proximal_bias,
114
+ proximal_init=proximal_init,
115
+ )
116
+ )
117
+ self.norm_layers_0.append(LayerNorm(hidden_channels))
118
+ self.encdec_attn_layers.append(
119
+ MultiHeadAttention(
120
+ hidden_channels, hidden_channels, n_heads, p_dropout=p_dropout
121
+ )
122
+ )
123
+ self.norm_layers_1.append(LayerNorm(hidden_channels))
124
+ self.ffn_layers.append(
125
+ FFN(
126
+ hidden_channels,
127
+ hidden_channels,
128
+ filter_channels,
129
+ kernel_size,
130
+ p_dropout=p_dropout,
131
+ causal=True,
132
+ )
133
+ )
134
+ self.norm_layers_2.append(LayerNorm(hidden_channels))
135
+
136
+ def forward(self, x, x_mask, h, h_mask):
137
+ """
138
+ x: decoder input
139
+ h: encoder output
140
+ """
141
+ self_attn_mask = commons.subsequent_mask(x_mask.size(2)).to(
142
+ device=x.device, dtype=x.dtype
143
+ )
144
+ encdec_attn_mask = h_mask.unsqueeze(2) * x_mask.unsqueeze(-1)
145
+ x = x * x_mask
146
+ for i in range(self.n_layers):
147
+ y = self.self_attn_layers[i](x, x, self_attn_mask)
148
+ y = self.drop(y)
149
+ x = self.norm_layers_0[i](x + y)
150
+
151
+ y = self.encdec_attn_layers[i](x, h, encdec_attn_mask)
152
+ y = self.drop(y)
153
+ x = self.norm_layers_1[i](x + y)
154
+
155
+ y = self.ffn_layers[i](x, x_mask)
156
+ y = self.drop(y)
157
+ x = self.norm_layers_2[i](x + y)
158
+ x = x * x_mask
159
+ return x
160
+
161
+
162
+ class MultiHeadAttention(nn.Module):
163
+ def __init__(
164
+ self,
165
+ channels,
166
+ out_channels,
167
+ n_heads,
168
+ p_dropout=0.0,
169
+ window_size=None,
170
+ heads_share=True,
171
+ block_length=None,
172
+ proximal_bias=False,
173
+ proximal_init=False,
174
+ ):
175
+ super().__init__()
176
+ assert channels % n_heads == 0
177
+
178
+ self.channels = channels
179
+ self.out_channels = out_channels
180
+ self.n_heads = n_heads
181
+ self.p_dropout = p_dropout
182
+ self.window_size = window_size
183
+ self.heads_share = heads_share
184
+ self.block_length = block_length
185
+ self.proximal_bias = proximal_bias
186
+ self.proximal_init = proximal_init
187
+ self.attn = None
188
+
189
+ self.k_channels = channels // n_heads
190
+ self.conv_q = nn.Conv1d(channels, channels, 1)
191
+ self.conv_k = nn.Conv1d(channels, channels, 1)
192
+ self.conv_v = nn.Conv1d(channels, channels, 1)
193
+ self.conv_o = nn.Conv1d(channels, out_channels, 1)
194
+ self.drop = nn.Dropout(p_dropout)
195
+
196
+ if window_size is not None:
197
+ n_heads_rel = 1 if heads_share else n_heads
198
+ rel_stddev = self.k_channels**-0.5
199
+ self.emb_rel_k = nn.Parameter(
200
+ torch.randn(n_heads_rel, window_size * 2 + 1, self.k_channels)
201
+ * rel_stddev
202
+ )
203
+ self.emb_rel_v = nn.Parameter(
204
+ torch.randn(n_heads_rel, window_size * 2 + 1, self.k_channels)
205
+ * rel_stddev
206
+ )
207
+
208
+ nn.init.xavier_uniform_(self.conv_q.weight)
209
+ nn.init.xavier_uniform_(self.conv_k.weight)
210
+ nn.init.xavier_uniform_(self.conv_v.weight)
211
+ if proximal_init:
212
+ with torch.no_grad():
213
+ self.conv_k.weight.copy_(self.conv_q.weight)
214
+ self.conv_k.bias.copy_(self.conv_q.bias)
215
+
216
+ def forward(self, x, c, attn_mask=None):
217
+ q = self.conv_q(x)
218
+ k = self.conv_k(c)
219
+ v = self.conv_v(c)
220
+
221
+ x, self.attn = self.attention(q, k, v, mask=attn_mask)
222
+
223
+ x = self.conv_o(x)
224
+ return x
225
+
226
+ def attention(self, query, key, value, mask=None):
227
+ # reshape [b, d, t] -> [b, n_h, t, d_k]
228
+ b, d, t_s, t_t = (*key.size(), query.size(2))
229
+ query = query.view(b, self.n_heads, self.k_channels, t_t).transpose(2, 3)
230
+ key = key.view(b, self.n_heads, self.k_channels, t_s).transpose(2, 3)
231
+ value = value.view(b, self.n_heads, self.k_channels, t_s).transpose(2, 3)
232
+
233
+ scores = torch.matmul(query / math.sqrt(self.k_channels), key.transpose(-2, -1))
234
+ if self.window_size is not None:
235
+ assert (
236
+ t_s == t_t
237
+ ), "Relative attention is only available for self-attention."
238
+ key_relative_embeddings = self._get_relative_embeddings(self.emb_rel_k, t_s)
239
+ rel_logits = self._matmul_with_relative_keys(
240
+ query / math.sqrt(self.k_channels), key_relative_embeddings
241
+ )
242
+ scores_local = self._relative_position_to_absolute_position(rel_logits)
243
+ scores = scores + scores_local
244
+ if self.proximal_bias:
245
+ assert t_s == t_t, "Proximal bias is only available for self-attention."
246
+ scores = scores + self._attention_bias_proximal(t_s).to(
247
+ device=scores.device, dtype=scores.dtype
248
+ )
249
+ if mask is not None:
250
+ scores = scores.masked_fill(mask == 0, -1e4)
251
+ if self.block_length is not None:
252
+ assert (
253
+ t_s == t_t
254
+ ), "Local attention is only available for self-attention."
255
+ block_mask = (
256
+ torch.ones_like(scores)
257
+ .triu(-self.block_length)
258
+ .tril(self.block_length)
259
+ )
260
+ scores = scores.masked_fill(block_mask == 0, -1e4)
261
+ p_attn = F.softmax(scores, dim=-1) # [b, n_h, t_t, t_s]
262
+ p_attn = self.drop(p_attn)
263
+ output = torch.matmul(p_attn, value)
264
+ if self.window_size is not None:
265
+ relative_weights = self._absolute_position_to_relative_position(p_attn)
266
+ value_relative_embeddings = self._get_relative_embeddings(
267
+ self.emb_rel_v, t_s
268
+ )
269
+ output = output + self._matmul_with_relative_values(
270
+ relative_weights, value_relative_embeddings
271
+ )
272
+ output = (
273
+ output.transpose(2, 3).contiguous().view(b, d, t_t)
274
+ ) # [b, n_h, t_t, d_k] -> [b, d, t_t]
275
+ return output, p_attn
276
+
277
+ def _matmul_with_relative_values(self, x, y):
278
+ """
279
+ x: [b, h, l, m]
280
+ y: [h or 1, m, d]
281
+ ret: [b, h, l, d]
282
+ """
283
+ ret = torch.matmul(x, y.unsqueeze(0))
284
+ return ret
285
+
286
+ def _matmul_with_relative_keys(self, x, y):
287
+ """
288
+ x: [b, h, l, d]
289
+ y: [h or 1, m, d]
290
+ ret: [b, h, l, m]
291
+ """
292
+ ret = torch.matmul(x, y.unsqueeze(0).transpose(-2, -1))
293
+ return ret
294
+
295
+ def _get_relative_embeddings(self, relative_embeddings, length):
296
+ max_relative_position = 2 * self.window_size + 1
297
+ # Pad first before slice to avoid using cond ops.
298
+ pad_length = max(length - (self.window_size + 1), 0)
299
+ slice_start_position = max((self.window_size + 1) - length, 0)
300
+ slice_end_position = slice_start_position + 2 * length - 1
301
+ if pad_length > 0:
302
+ padded_relative_embeddings = F.pad(
303
+ relative_embeddings,
304
+ commons.convert_pad_shape([[0, 0], [pad_length, pad_length], [0, 0]]),
305
+ )
306
+ else:
307
+ padded_relative_embeddings = relative_embeddings
308
+ used_relative_embeddings = padded_relative_embeddings[
309
+ :, slice_start_position:slice_end_position
310
+ ]
311
+ return used_relative_embeddings
312
+
313
+ def _relative_position_to_absolute_position(self, x):
314
+ """
315
+ x: [b, h, l, 2*l-1]
316
+ ret: [b, h, l, l]
317
+ """
318
+ batch, heads, length, _ = x.size()
319
+ # Concat columns of pad to shift from relative to absolute indexing.
320
+ x = F.pad(x, commons.convert_pad_shape([[0, 0], [0, 0], [0, 0], [0, 1]]))
321
+
322
+ # Concat extra elements so to add up to shape (len+1, 2*len-1).
323
+ x_flat = x.view([batch, heads, length * 2 * length])
324
+ x_flat = F.pad(
325
+ x_flat, commons.convert_pad_shape([[0, 0], [0, 0], [0, length - 1]])
326
+ )
327
+
328
+ # Reshape and slice out the padded elements.
329
+ x_final = x_flat.view([batch, heads, length + 1, 2 * length - 1])[
330
+ :, :, :length, length - 1 :
331
+ ]
332
+ return x_final
333
+
334
+ def _absolute_position_to_relative_position(self, x):
335
+ """
336
+ x: [b, h, l, l]
337
+ ret: [b, h, l, 2*l-1]
338
+ """
339
+ batch, heads, length, _ = x.size()
340
+ # padd along column
341
+ x = F.pad(
342
+ x, commons.convert_pad_shape([[0, 0], [0, 0], [0, 0], [0, length - 1]])
343
+ )
344
+ x_flat = x.view([batch, heads, length**2 + length * (length - 1)])
345
+ # add 0's in the beginning that will skew the elements after reshape
346
+ x_flat = F.pad(x_flat, commons.convert_pad_shape([[0, 0], [0, 0], [length, 0]]))
347
+ x_final = x_flat.view([batch, heads, length, 2 * length])[:, :, :, 1:]
348
+ return x_final
349
+
350
+ def _attention_bias_proximal(self, length):
351
+ """Bias for self-attention to encourage attention to close positions.
352
+ Args:
353
+ length: an integer scalar.
354
+ Returns:
355
+ a Tensor with shape [1, 1, length, length]
356
+ """
357
+ r = torch.arange(length, dtype=torch.float32)
358
+ diff = torch.unsqueeze(r, 0) - torch.unsqueeze(r, 1)
359
+ return torch.unsqueeze(torch.unsqueeze(-torch.log1p(torch.abs(diff)), 0), 0)
360
+
361
+
362
+ class FFN(nn.Module):
363
+ def __init__(
364
+ self,
365
+ in_channels,
366
+ out_channels,
367
+ filter_channels,
368
+ kernel_size,
369
+ p_dropout=0.0,
370
+ activation=None,
371
+ causal=False,
372
+ ):
373
+ super().__init__()
374
+ self.in_channels = in_channels
375
+ self.out_channels = out_channels
376
+ self.filter_channels = filter_channels
377
+ self.kernel_size = kernel_size
378
+ self.p_dropout = p_dropout
379
+ self.activation = activation
380
+ self.causal = causal
381
+
382
+ if causal:
383
+ self.padding = self._causal_padding
384
+ else:
385
+ self.padding = self._same_padding
386
+
387
+ self.conv_1 = nn.Conv1d(in_channels, filter_channels, kernel_size)
388
+ self.conv_2 = nn.Conv1d(filter_channels, out_channels, kernel_size)
389
+ self.drop = nn.Dropout(p_dropout)
390
+
391
+ def forward(self, x, x_mask):
392
+ x = self.conv_1(self.padding(x * x_mask))
393
+ if self.activation == "gelu":
394
+ x = x * torch.sigmoid(1.702 * x)
395
+ else:
396
+ x = torch.relu(x)
397
+ x = self.drop(x)
398
+ x = self.conv_2(self.padding(x * x_mask))
399
+ return x * x_mask
400
+
401
+ def _causal_padding(self, x):
402
+ if self.kernel_size == 1:
403
+ return x
404
+ pad_l = self.kernel_size - 1
405
+ pad_r = 0
406
+ padding = [[0, 0], [0, 0], [pad_l, pad_r]]
407
+ x = F.pad(x, commons.convert_pad_shape(padding))
408
+ return x
409
+
410
+ def _same_padding(self, x):
411
+ if self.kernel_size == 1:
412
+ return x
413
+ pad_l = (self.kernel_size - 1) // 2
414
+ pad_r = self.kernel_size // 2
415
+ padding = [[0, 0], [0, 0], [pad_l, pad_r]]
416
+ x = F.pad(x, commons.convert_pad_shape(padding))
417
+ return x
checkpoint_best_legacy_500.pt ADDED
@@ -0,0 +1,3 @@
 
 
 
 
1
+ version https://git-lfs.github.com/spec/v1
2
+ oid sha256:60d936ec5a566776fc392e69ad8b630d14eb588111233fe313436e200a7b187b
3
+ size 1330114945
commons.py ADDED
@@ -0,0 +1,164 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ import math
2
+ import numpy as np
3
+ import torch
4
+ from torch import nn
5
+ from torch.nn import functional as F
6
+
7
+
8
+ def init_weights(m, mean=0.0, std=0.01):
9
+ classname = m.__class__.__name__
10
+ if classname.find("Conv") != -1:
11
+ m.weight.data.normal_(mean, std)
12
+
13
+
14
+ def get_padding(kernel_size, dilation=1):
15
+ return int((kernel_size * dilation - dilation) / 2)
16
+
17
+
18
+ def convert_pad_shape(pad_shape):
19
+ l = pad_shape[::-1]
20
+ pad_shape = [item for sublist in l for item in sublist]
21
+ return pad_shape
22
+
23
+
24
+ def kl_divergence(m_p, logs_p, m_q, logs_q):
25
+ """KL(P||Q)"""
26
+ kl = (logs_q - logs_p) - 0.5
27
+ kl += (
28
+ 0.5 * (torch.exp(2.0 * logs_p) + ((m_p - m_q) ** 2)) * torch.exp(-2.0 * logs_q)
29
+ )
30
+ return kl
31
+
32
+
33
+ def rand_gumbel(shape):
34
+ """Sample from the Gumbel distribution, protect from overflows."""
35
+ uniform_samples = torch.rand(shape) * 0.99998 + 0.00001
36
+ return -torch.log(-torch.log(uniform_samples))
37
+
38
+
39
+ def rand_gumbel_like(x):
40
+ g = rand_gumbel(x.size()).to(dtype=x.dtype, device=x.device)
41
+ return g
42
+
43
+
44
+ def slice_segments(x, ids_str, segment_size=4):
45
+ ret = torch.zeros_like(x[:, :, :segment_size])
46
+ for i in range(x.size(0)):
47
+ idx_str = ids_str[i]
48
+ idx_end = idx_str + segment_size
49
+ ret[i] = x[i, :, idx_str:idx_end]
50
+ return ret
51
+ def slice_segments2(x, ids_str, segment_size=4):
52
+ ret = torch.zeros_like(x[:, :segment_size])
53
+ for i in range(x.size(0)):
54
+ idx_str = ids_str[i]
55
+ idx_end = idx_str + segment_size
56
+ ret[i] = x[i, idx_str:idx_end]
57
+ return ret
58
+
59
+
60
+ def rand_slice_segments(x, x_lengths=None, segment_size=4):
61
+ b, d, t = x.size()
62
+ if x_lengths is None:
63
+ x_lengths = t
64
+ ids_str_max = x_lengths - segment_size + 1
65
+ ids_str = (torch.rand([b]).to(device=x.device) * ids_str_max).to(dtype=torch.long)
66
+ ret = slice_segments(x, ids_str, segment_size)
67
+ return ret, ids_str
68
+
69
+
70
+ def get_timing_signal_1d(length, channels, min_timescale=1.0, max_timescale=1.0e4):
71
+ position = torch.arange(length, dtype=torch.float)
72
+ num_timescales = channels // 2
73
+ log_timescale_increment = math.log(float(max_timescale) / float(min_timescale)) / (
74
+ num_timescales - 1
75
+ )
76
+ inv_timescales = min_timescale * torch.exp(
77
+ torch.arange(num_timescales, dtype=torch.float) * -log_timescale_increment
78
+ )
79
+ scaled_time = position.unsqueeze(0) * inv_timescales.unsqueeze(1)
80
+ signal = torch.cat([torch.sin(scaled_time), torch.cos(scaled_time)], 0)
81
+ signal = F.pad(signal, [0, 0, 0, channels % 2])
82
+ signal = signal.view(1, channels, length)
83
+ return signal
84
+
85
+
86
+ def add_timing_signal_1d(x, min_timescale=1.0, max_timescale=1.0e4):
87
+ b, channels, length = x.size()
88
+ signal = get_timing_signal_1d(length, channels, min_timescale, max_timescale)
89
+ return x + signal.to(dtype=x.dtype, device=x.device)
90
+
91
+
92
+ def cat_timing_signal_1d(x, min_timescale=1.0, max_timescale=1.0e4, axis=1):
93
+ b, channels, length = x.size()
94
+ signal = get_timing_signal_1d(length, channels, min_timescale, max_timescale)
95
+ return torch.cat([x, signal.to(dtype=x.dtype, device=x.device)], axis)
96
+
97
+
98
+ def subsequent_mask(length):
99
+ mask = torch.tril(torch.ones(length, length)).unsqueeze(0).unsqueeze(0)
100
+ return mask
101
+
102
+
103
+ @torch.jit.script
104
+ def fused_add_tanh_sigmoid_multiply(input_a, input_b, n_channels):
105
+ n_channels_int = n_channels[0]
106
+ in_act = input_a + input_b
107
+ t_act = torch.tanh(in_act[:, :n_channels_int, :])
108
+ s_act = torch.sigmoid(in_act[:, n_channels_int:, :])
109
+ acts = t_act * s_act
110
+ return acts
111
+
112
+
113
+ def convert_pad_shape(pad_shape):
114
+ l = pad_shape[::-1]
115
+ pad_shape = [item for sublist in l for item in sublist]
116
+ return pad_shape
117
+
118
+
119
+ def shift_1d(x):
120
+ x = F.pad(x, convert_pad_shape([[0, 0], [0, 0], [1, 0]]))[:, :, :-1]
121
+ return x
122
+
123
+
124
+ def sequence_mask(length, max_length=None):
125
+ if max_length is None:
126
+ max_length = length.max()
127
+ x = torch.arange(max_length, dtype=length.dtype, device=length.device)
128
+ return x.unsqueeze(0) < length.unsqueeze(1)
129
+
130
+
131
+ def generate_path(duration, mask):
132
+ """
133
+ duration: [b, 1, t_x]
134
+ mask: [b, 1, t_y, t_x]
135
+ """
136
+ device = duration.device
137
+
138
+ b, _, t_y, t_x = mask.shape
139
+ cum_duration = torch.cumsum(duration, -1)
140
+
141
+ cum_duration_flat = cum_duration.view(b * t_x)
142
+ path = sequence_mask(cum_duration_flat, t_y).to(mask.dtype)
143
+ path = path.view(b, t_x, t_y)
144
+ path = path - F.pad(path, convert_pad_shape([[0, 0], [1, 0], [0, 0]]))[:, :-1]
145
+ path = path.unsqueeze(1).transpose(2, 3) * mask
146
+ return path
147
+
148
+
149
+ def clip_grad_value_(parameters, clip_value, norm_type=2):
150
+ if isinstance(parameters, torch.Tensor):
151
+ parameters = [parameters]
152
+ parameters = list(filter(lambda p: p.grad is not None, parameters))
153
+ norm_type = float(norm_type)
154
+ if clip_value is not None:
155
+ clip_value = float(clip_value)
156
+
157
+ total_norm = 0
158
+ for p in parameters:
159
+ param_norm = p.grad.data.norm(norm_type)
160
+ total_norm += param_norm.item() ** norm_type
161
+ if clip_value is not None:
162
+ p.grad.data.clamp_(min=-clip_value, max=clip_value)
163
+ total_norm = total_norm ** (1.0 / norm_type)
164
+ return total_norm
inference_nof0.py ADDED
@@ -0,0 +1,52 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ import torch,pdb
2
+ import numpy as np
3
+ import soundfile as sf
4
+ from models import SynthesizerTrnNoF0256
5
+ from scipy.io import wavfile
6
+ from fairseq import checkpoint_utils
7
+ import torch.nn.functional as F
8
+
9
+ device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
10
+ model_path = "https://ibm.box.com/s/z1wgl1stco8ffooyatzdwsqn2psd9lrr"#checkpoint_best_legacy_500.pt
11
+ print("load model(s) from {}".format(model_path))
12
+ models, saved_cfg, task = checkpoint_utils.load_model_ensemble_and_task(
13
+ [model_path],
14
+ suffix="",
15
+ )
16
+ model = models[0]
17
+ model = model.to(device)
18
+ model = model.half()
19
+ model.eval()
20
+
21
+ net_g = SynthesizerTrnNoF0256(513,40,192,192,768,2,6,3,0.1,"1", [3,7,11],[[1,3,5], [1,3,5], [1,3,5]],[10,4,2,2,2],512,[16,16,4,4,4],0)
22
+ weights=torch.load("trump.pt")
23
+ net_g.load_state_dict(weights,strict=True)
24
+ net_g.eval().to(device)
25
+ net_g.half()
26
+
27
+
28
+ wav_path="/bili-coeus/liujing04/vits_ch/测试素材/trump/wavs16k/云希_特朗普.wav"
29
+ wav, sr = sf.read(wav_path)
30
+ assert sr == 16000
31
+ feats = torch.from_numpy(wav).float()
32
+ if feats.dim() == 2: # double channels
33
+ feats = feats.mean(-1)
34
+ assert feats.dim() == 1, feats.dim()
35
+ feats = feats.view(1, -1)
36
+ padding_mask = torch.BoolTensor(feats.shape).fill_(False)
37
+ inputs = {
38
+ "source": feats.half().to(device),
39
+ "padding_mask": padding_mask.to(device),
40
+ "output_layer": 9, # layer 9
41
+ }
42
+ with torch.no_grad():
43
+ logits = model.extract_features(**inputs)
44
+ feats = model.final_proj(logits[0])
45
+ feats=F.interpolate(feats.permute(0,2,1),scale_factor=2).permute(0,2,1)
46
+ p_len = min(feats.shape[1],10000)#太大了爆显存
47
+ feats = feats[:,:p_len, :]
48
+ p_len = torch.LongTensor([p_len]).to(device)
49
+ with torch.no_grad():
50
+ audio = net_g.infer(feats, p_len)[0][0, 0].data.cpu().float().numpy()
51
+
52
+ wavfile.write("trump_co256nof0_63k_test.wav", 32000, audio)
models.py ADDED
@@ -0,0 +1,307 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ import math
2
+ import torch
3
+ from torch import nn
4
+ from torch.nn import functional as F
5
+ import modules
6
+ import attentions
7
+ from torch.nn import Conv1d, ConvTranspose1d, AvgPool1d, Conv2d
8
+ from torch.nn.utils import weight_norm, remove_weight_norm, spectral_norm
9
+ from commons import init_weights
10
+ import numpy as np
11
+ import commons
12
+ class TextEncoder256(nn.Module):
13
+ def __init__(
14
+ self,
15
+ out_channels,
16
+ hidden_channels,
17
+ filter_channels,
18
+ n_heads,
19
+ n_layers,
20
+ kernel_size,
21
+ p_dropout,
22
+ f0=True
23
+ ):
24
+ super().__init__()
25
+ self.out_channels = out_channels
26
+ self.hidden_channels = hidden_channels
27
+ self.filter_channels = filter_channels
28
+ self.n_heads = n_heads
29
+ self.n_layers = n_layers
30
+ self.kernel_size = kernel_size
31
+ self.p_dropout = p_dropout
32
+ self.emb_phone = nn.Linear(256, hidden_channels)
33
+ self.lrelu=nn.LeakyReLU(0.1,inplace=True)
34
+ if(f0==True):
35
+ self.emb_pitch = nn.Embedding(256, hidden_channels) # pitch 256
36
+ self.encoder = attentions.Encoder(
37
+ hidden_channels, filter_channels, n_heads, n_layers, kernel_size, p_dropout
38
+ )
39
+ self.proj = nn.Conv1d(hidden_channels, out_channels * 2, 1)
40
+
41
+ def forward(self, phone, pitch, lengths):
42
+ if(pitch==None):
43
+ x = self.emb_phone(phone)
44
+ else:
45
+ x = self.emb_phone(phone) + self.emb_pitch(pitch)
46
+ x = x * math.sqrt(self.hidden_channels) # [b, t, h]
47
+ x=self.lrelu(x)
48
+ x = torch.transpose(x, 1, -1) # [b, h, t]
49
+ x_mask = torch.unsqueeze(commons.sequence_mask(lengths, x.size(2)), 1).to(
50
+ x.dtype
51
+ )
52
+ x = self.encoder(x * x_mask, x_mask)
53
+ stats = self.proj(x) * x_mask
54
+
55
+ m, logs = torch.split(stats, self.out_channels, dim=1)
56
+ return m, logs, x_mask
57
+ class ResidualCouplingBlock(nn.Module):
58
+ def __init__(
59
+ self,
60
+ channels,
61
+ hidden_channels,
62
+ kernel_size,
63
+ dilation_rate,
64
+ n_layers,
65
+ n_flows=4,
66
+ gin_channels=0,
67
+ ):
68
+ super().__init__()
69
+ self.channels = channels
70
+ self.hidden_channels = hidden_channels
71
+ self.kernel_size = kernel_size
72
+ self.dilation_rate = dilation_rate
73
+ self.n_layers = n_layers
74
+ self.n_flows = n_flows
75
+ self.gin_channels = gin_channels
76
+
77
+ self.flows = nn.ModuleList()
78
+ for i in range(n_flows):
79
+ self.flows.append(
80
+ modules.ResidualCouplingLayer(
81
+ channels,
82
+ hidden_channels,
83
+ kernel_size,
84
+ dilation_rate,
85
+ n_layers,
86
+ gin_channels=gin_channels,
87
+ mean_only=True,
88
+ )
89
+ )
90
+ self.flows.append(modules.Flip())
91
+
92
+ def forward(self, x, x_mask, g=None, reverse=False):
93
+ if not reverse:
94
+ for flow in self.flows:
95
+ x, _ = flow(x, x_mask, g=g, reverse=reverse)
96
+ else:
97
+ for flow in reversed(self.flows):
98
+ x = flow(x, x_mask, g=g, reverse=reverse)
99
+ return x
100
+
101
+ def remove_weight_norm(self):
102
+ for i in range(self.n_flows):
103
+ self.flows[i * 2].remove_weight_norm()
104
+ class PosteriorEncoder(nn.Module):
105
+ def __init__(
106
+ self,
107
+ in_channels,
108
+ out_channels,
109
+ hidden_channels,
110
+ kernel_size,
111
+ dilation_rate,
112
+ n_layers,
113
+ gin_channels=0,
114
+ ):
115
+ super().__init__()
116
+ self.in_channels = in_channels
117
+ self.out_channels = out_channels
118
+ self.hidden_channels = hidden_channels
119
+ self.kernel_size = kernel_size
120
+ self.dilation_rate = dilation_rate
121
+ self.n_layers = n_layers
122
+ self.gin_channels = gin_channels
123
+
124
+ self.pre = nn.Conv1d(in_channels, hidden_channels, 1)
125
+ self.enc = modules.WN(
126
+ hidden_channels,
127
+ kernel_size,
128
+ dilation_rate,
129
+ n_layers,
130
+ gin_channels=gin_channels,
131
+ )
132
+ self.proj = nn.Conv1d(hidden_channels, out_channels * 2, 1)
133
+
134
+ def forward(self, x, x_lengths, g=None):
135
+ x_mask = torch.unsqueeze(commons.sequence_mask(x_lengths, x.size(2)), 1).to(
136
+ x.dtype
137
+ )
138
+ x = self.pre(x) * x_mask
139
+ x = self.enc(x, x_mask, g=g)
140
+ stats = self.proj(x) * x_mask
141
+ m, logs = torch.split(stats, self.out_channels, dim=1)
142
+ z = (m + torch.randn_like(m) * torch.exp(logs)) * x_mask
143
+ return z, m, logs, x_mask
144
+
145
+ def remove_weight_norm(self):
146
+ self.enc.remove_weight_norm()
147
+ class Generator(torch.nn.Module):
148
+ def __init__(
149
+ self,
150
+ initial_channel,
151
+ resblock,
152
+ resblock_kernel_sizes,
153
+ resblock_dilation_sizes,
154
+ upsample_rates,
155
+ upsample_initial_channel,
156
+ upsample_kernel_sizes,
157
+ gin_channels=0,
158
+ ):
159
+ super(Generator, self).__init__()
160
+ self.num_kernels = len(resblock_kernel_sizes)
161
+ self.num_upsamples = len(upsample_rates)
162
+ self.conv_pre = Conv1d(
163
+ initial_channel, upsample_initial_channel, 7, 1, padding=3
164
+ )
165
+ resblock = modules.ResBlock1 if resblock == "1" else modules.ResBlock2
166
+
167
+ self.ups = nn.ModuleList()
168
+ for i, (u, k) in enumerate(zip(upsample_rates, upsample_kernel_sizes)):
169
+ self.ups.append(
170
+ weight_norm(
171
+ ConvTranspose1d(
172
+ upsample_initial_channel // (2**i),
173
+ upsample_initial_channel // (2 ** (i + 1)),
174
+ k,
175
+ u,
176
+ padding=(k - u) // 2,
177
+ )
178
+ )
179
+ )
180
+
181
+ self.resblocks = nn.ModuleList()
182
+ for i in range(len(self.ups)):
183
+ ch = upsample_initial_channel // (2 ** (i + 1))
184
+ for j, (k, d) in enumerate(
185
+ zip(resblock_kernel_sizes, resblock_dilation_sizes)
186
+ ):
187
+ self.resblocks.append(resblock(ch, k, d))
188
+
189
+ self.conv_post = Conv1d(ch, 1, 7, 1, padding=3, bias=False)
190
+ self.ups.apply(init_weights)
191
+
192
+ if gin_channels != 0:
193
+ self.cond = nn.Conv1d(gin_channels, upsample_initial_channel, 1)
194
+
195
+ def forward(self, x, g=None):
196
+ x = self.conv_pre(x)
197
+ if g is not None:
198
+ x = x + self.cond(g)
199
+
200
+ for i in range(self.num_upsamples):
201
+ x = F.leaky_relu(x, modules.LRELU_SLOPE)
202
+ x = self.ups[i](x)
203
+ xs = None
204
+ for j in range(self.num_kernels):
205
+ if xs is None:
206
+ xs = self.resblocks[i * self.num_kernels + j](x)
207
+ else:
208
+ xs += self.resblocks[i * self.num_kernels + j](x)
209
+ x = xs / self.num_kernels
210
+ x = F.leaky_relu(x)
211
+ x = self.conv_post(x)
212
+ x = torch.tanh(x)
213
+
214
+ return x
215
+
216
+ def remove_weight_norm(self):
217
+ for l in self.ups:
218
+ remove_weight_norm(l)
219
+ for l in self.resblocks:
220
+ l.remove_weight_norm()
221
+ class SynthesizerTrnNoF0256(nn.Module):
222
+ """
223
+ Synthesizer for Training
224
+ """
225
+
226
+ def __init__(
227
+ self,
228
+ spec_channels,
229
+ segment_size,
230
+ inter_channels,
231
+ hidden_channels,
232
+ filter_channels,
233
+ n_heads,
234
+ n_layers,
235
+ kernel_size,
236
+ p_dropout,
237
+ resblock,
238
+ resblock_kernel_sizes,
239
+ resblock_dilation_sizes,
240
+ upsample_rates,
241
+ upsample_initial_channel,
242
+ upsample_kernel_sizes,
243
+ gin_channels
244
+ ):
245
+
246
+ super().__init__()
247
+ self.spec_channels = spec_channels
248
+ self.inter_channels = inter_channels
249
+ self.hidden_channels = hidden_channels
250
+ self.filter_channels = filter_channels
251
+ self.n_heads = n_heads
252
+ self.n_layers = n_layers
253
+ self.kernel_size = kernel_size
254
+ self.p_dropout = p_dropout
255
+ self.resblock = resblock
256
+ self.resblock_kernel_sizes = resblock_kernel_sizes
257
+ self.resblock_dilation_sizes = resblock_dilation_sizes
258
+ self.upsample_rates = upsample_rates
259
+ self.upsample_initial_channel = upsample_initial_channel
260
+ self.upsample_kernel_sizes = upsample_kernel_sizes
261
+ self.segment_size = segment_size
262
+ self.gin_channels = gin_channels
263
+
264
+ self.enc_p = TextEncoder256(
265
+ inter_channels,
266
+ hidden_channels,
267
+ filter_channels,
268
+ n_heads,
269
+ n_layers,
270
+ kernel_size,
271
+ p_dropout,
272
+ f0=False,
273
+ )
274
+ self.dec = Generator(
275
+ inter_channels,
276
+ resblock,
277
+ resblock_kernel_sizes,
278
+ resblock_dilation_sizes,
279
+ upsample_rates,
280
+ upsample_initial_channel,
281
+ upsample_kernel_sizes,
282
+ gin_channels=gin_channels,
283
+ )
284
+ self.enc_q = PosteriorEncoder(
285
+ spec_channels,
286
+ inter_channels,
287
+ hidden_channels,
288
+ 5,
289
+ 1,
290
+ 16,
291
+ gin_channels=gin_channels,
292
+ )
293
+ self.flow = ResidualCouplingBlock(
294
+ inter_channels, hidden_channels, 5, 1, 3, gin_channels=gin_channels
295
+ )
296
+
297
+ def remove_weight_norm(self):
298
+ self.dec.remove_weight_norm()
299
+ self.flow.remove_weight_norm()
300
+ self.enc_q.remove_weight_norm()
301
+
302
+ def infer(self, phone, phone_lengths, max_len=None):
303
+ m_p, logs_p, x_mask = self.enc_p(phone, None, phone_lengths)
304
+ z_p = (m_p + torch.exp(logs_p) * torch.randn_like(m_p) * 0.66) * x_mask
305
+ z = self.flow(z_p, x_mask, g=None, reverse=True)
306
+ o = self.dec((z * x_mask)[:, :, :max_len], g=None)
307
+ return o, x_mask, (z, z_p, m_p, logs_p)
modules.py ADDED
@@ -0,0 +1,522 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ import copy
2
+ import math
3
+ import numpy as np
4
+ import scipy
5
+ import torch
6
+ from torch import nn
7
+ from torch.nn import functional as F
8
+
9
+ from torch.nn import Conv1d, ConvTranspose1d, AvgPool1d, Conv2d
10
+ from torch.nn.utils import weight_norm, remove_weight_norm
11
+
12
+ import commons
13
+ from commons import init_weights, get_padding
14
+ from transforms import piecewise_rational_quadratic_transform
15
+
16
+
17
+ LRELU_SLOPE = 0.1
18
+
19
+
20
+ class LayerNorm(nn.Module):
21
+ def __init__(self, channels, eps=1e-5):
22
+ super().__init__()
23
+ self.channels = channels
24
+ self.eps = eps
25
+
26
+ self.gamma = nn.Parameter(torch.ones(channels))
27
+ self.beta = nn.Parameter(torch.zeros(channels))
28
+
29
+ def forward(self, x):
30
+ x = x.transpose(1, -1)
31
+ x = F.layer_norm(x, (self.channels,), self.gamma, self.beta, self.eps)
32
+ return x.transpose(1, -1)
33
+
34
+
35
+ class ConvReluNorm(nn.Module):
36
+ def __init__(
37
+ self,
38
+ in_channels,
39
+ hidden_channels,
40
+ out_channels,
41
+ kernel_size,
42
+ n_layers,
43
+ p_dropout,
44
+ ):
45
+ super().__init__()
46
+ self.in_channels = in_channels
47
+ self.hidden_channels = hidden_channels
48
+ self.out_channels = out_channels
49
+ self.kernel_size = kernel_size
50
+ self.n_layers = n_layers
51
+ self.p_dropout = p_dropout
52
+ assert n_layers > 1, "Number of layers should be larger than 0."
53
+
54
+ self.conv_layers = nn.ModuleList()
55
+ self.norm_layers = nn.ModuleList()
56
+ self.conv_layers.append(
57
+ nn.Conv1d(
58
+ in_channels, hidden_channels, kernel_size, padding=kernel_size // 2
59
+ )
60
+ )
61
+ self.norm_layers.append(LayerNorm(hidden_channels))
62
+ self.relu_drop = nn.Sequential(nn.ReLU(), nn.Dropout(p_dropout))
63
+ for _ in range(n_layers - 1):
64
+ self.conv_layers.append(
65
+ nn.Conv1d(
66
+ hidden_channels,
67
+ hidden_channels,
68
+ kernel_size,
69
+ padding=kernel_size // 2,
70
+ )
71
+ )
72
+ self.norm_layers.append(LayerNorm(hidden_channels))
73
+ self.proj = nn.Conv1d(hidden_channels, out_channels, 1)
74
+ self.proj.weight.data.zero_()
75
+ self.proj.bias.data.zero_()
76
+
77
+ def forward(self, x, x_mask):
78
+ x_org = x
79
+ for i in range(self.n_layers):
80
+ x = self.conv_layers[i](x * x_mask)
81
+ x = self.norm_layers[i](x)
82
+ x = self.relu_drop(x)
83
+ x = x_org + self.proj(x)
84
+ return x * x_mask
85
+
86
+
87
+ class DDSConv(nn.Module):
88
+ """
89
+ Dialted and Depth-Separable Convolution
90
+ """
91
+
92
+ def __init__(self, channels, kernel_size, n_layers, p_dropout=0.0):
93
+ super().__init__()
94
+ self.channels = channels
95
+ self.kernel_size = kernel_size
96
+ self.n_layers = n_layers
97
+ self.p_dropout = p_dropout
98
+
99
+ self.drop = nn.Dropout(p_dropout)
100
+ self.convs_sep = nn.ModuleList()
101
+ self.convs_1x1 = nn.ModuleList()
102
+ self.norms_1 = nn.ModuleList()
103
+ self.norms_2 = nn.ModuleList()
104
+ for i in range(n_layers):
105
+ dilation = kernel_size**i
106
+ padding = (kernel_size * dilation - dilation) // 2
107
+ self.convs_sep.append(
108
+ nn.Conv1d(
109
+ channels,
110
+ channels,
111
+ kernel_size,
112
+ groups=channels,
113
+ dilation=dilation,
114
+ padding=padding,
115
+ )
116
+ )
117
+ self.convs_1x1.append(nn.Conv1d(channels, channels, 1))
118
+ self.norms_1.append(LayerNorm(channels))
119
+ self.norms_2.append(LayerNorm(channels))
120
+
121
+ def forward(self, x, x_mask, g=None):
122
+ if g is not None:
123
+ x = x + g
124
+ for i in range(self.n_layers):
125
+ y = self.convs_sep[i](x * x_mask)
126
+ y = self.norms_1[i](y)
127
+ y = F.gelu(y)
128
+ y = self.convs_1x1[i](y)
129
+ y = self.norms_2[i](y)
130
+ y = F.gelu(y)
131
+ y = self.drop(y)
132
+ x = x + y
133
+ return x * x_mask
134
+
135
+
136
+ class WN(torch.nn.Module):
137
+ def __init__(
138
+ self,
139
+ hidden_channels,
140
+ kernel_size,
141
+ dilation_rate,
142
+ n_layers,
143
+ gin_channels=0,
144
+ p_dropout=0,
145
+ ):
146
+ super(WN, self).__init__()
147
+ assert kernel_size % 2 == 1
148
+ self.hidden_channels = hidden_channels
149
+ self.kernel_size = (kernel_size,)
150
+ self.dilation_rate = dilation_rate
151
+ self.n_layers = n_layers
152
+ self.gin_channels = gin_channels
153
+ self.p_dropout = p_dropout
154
+
155
+ self.in_layers = torch.nn.ModuleList()
156
+ self.res_skip_layers = torch.nn.ModuleList()
157
+ self.drop = nn.Dropout(p_dropout)
158
+
159
+ if gin_channels != 0:
160
+ cond_layer = torch.nn.Conv1d(
161
+ gin_channels, 2 * hidden_channels * n_layers, 1
162
+ )
163
+ self.cond_layer = torch.nn.utils.weight_norm(cond_layer, name="weight")
164
+
165
+ for i in range(n_layers):
166
+ dilation = dilation_rate**i
167
+ padding = int((kernel_size * dilation - dilation) / 2)
168
+ in_layer = torch.nn.Conv1d(
169
+ hidden_channels,
170
+ 2 * hidden_channels,
171
+ kernel_size,
172
+ dilation=dilation,
173
+ padding=padding,
174
+ )
175
+ in_layer = torch.nn.utils.weight_norm(in_layer, name="weight")
176
+ self.in_layers.append(in_layer)
177
+
178
+ # last one is not necessary
179
+ if i < n_layers - 1:
180
+ res_skip_channels = 2 * hidden_channels
181
+ else:
182
+ res_skip_channels = hidden_channels
183
+
184
+ res_skip_layer = torch.nn.Conv1d(hidden_channels, res_skip_channels, 1)
185
+ res_skip_layer = torch.nn.utils.weight_norm(res_skip_layer, name="weight")
186
+ self.res_skip_layers.append(res_skip_layer)
187
+
188
+ def forward(self, x, x_mask, g=None, **kwargs):
189
+ output = torch.zeros_like(x)
190
+ n_channels_tensor = torch.IntTensor([self.hidden_channels])
191
+
192
+ if g is not None:
193
+ g = self.cond_layer(g)
194
+
195
+ for i in range(self.n_layers):
196
+ x_in = self.in_layers[i](x)
197
+ if g is not None:
198
+ cond_offset = i * 2 * self.hidden_channels
199
+ g_l = g[:, cond_offset : cond_offset + 2 * self.hidden_channels, :]
200
+ else:
201
+ g_l = torch.zeros_like(x_in)
202
+
203
+ acts = commons.fused_add_tanh_sigmoid_multiply(x_in, g_l, n_channels_tensor)
204
+ acts = self.drop(acts)
205
+
206
+ res_skip_acts = self.res_skip_layers[i](acts)
207
+ if i < self.n_layers - 1:
208
+ res_acts = res_skip_acts[:, : self.hidden_channels, :]
209
+ x = (x + res_acts) * x_mask
210
+ output = output + res_skip_acts[:, self.hidden_channels :, :]
211
+ else:
212
+ output = output + res_skip_acts
213
+ return output * x_mask
214
+
215
+ def remove_weight_norm(self):
216
+ if self.gin_channels != 0:
217
+ torch.nn.utils.remove_weight_norm(self.cond_layer)
218
+ for l in self.in_layers:
219
+ torch.nn.utils.remove_weight_norm(l)
220
+ for l in self.res_skip_layers:
221
+ torch.nn.utils.remove_weight_norm(l)
222
+
223
+
224
+ class ResBlock1(torch.nn.Module):
225
+ def __init__(self, channels, kernel_size=3, dilation=(1, 3, 5)):
226
+ super(ResBlock1, self).__init__()
227
+ self.convs1 = nn.ModuleList(
228
+ [
229
+ weight_norm(
230
+ Conv1d(
231
+ channels,
232
+ channels,
233
+ kernel_size,
234
+ 1,
235
+ dilation=dilation[0],
236
+ padding=get_padding(kernel_size, dilation[0]),
237
+ )
238
+ ),
239
+ weight_norm(
240
+ Conv1d(
241
+ channels,
242
+ channels,
243
+ kernel_size,
244
+ 1,
245
+ dilation=dilation[1],
246
+ padding=get_padding(kernel_size, dilation[1]),
247
+ )
248
+ ),
249
+ weight_norm(
250
+ Conv1d(
251
+ channels,
252
+ channels,
253
+ kernel_size,
254
+ 1,
255
+ dilation=dilation[2],
256
+ padding=get_padding(kernel_size, dilation[2]),
257
+ )
258
+ ),
259
+ ]
260
+ )
261
+ self.convs1.apply(init_weights)
262
+
263
+ self.convs2 = nn.ModuleList(
264
+ [
265
+ weight_norm(
266
+ Conv1d(
267
+ channels,
268
+ channels,
269
+ kernel_size,
270
+ 1,
271
+ dilation=1,
272
+ padding=get_padding(kernel_size, 1),
273
+ )
274
+ ),
275
+ weight_norm(
276
+ Conv1d(
277
+ channels,
278
+ channels,
279
+ kernel_size,
280
+ 1,
281
+ dilation=1,
282
+ padding=get_padding(kernel_size, 1),
283
+ )
284
+ ),
285
+ weight_norm(
286
+ Conv1d(
287
+ channels,
288
+ channels,
289
+ kernel_size,
290
+ 1,
291
+ dilation=1,
292
+ padding=get_padding(kernel_size, 1),
293
+ )
294
+ ),
295
+ ]
296
+ )
297
+ self.convs2.apply(init_weights)
298
+
299
+ def forward(self, x, x_mask=None):
300
+ for c1, c2 in zip(self.convs1, self.convs2):
301
+ xt = F.leaky_relu(x, LRELU_SLOPE)
302
+ if x_mask is not None:
303
+ xt = xt * x_mask
304
+ xt = c1(xt)
305
+ xt = F.leaky_relu(xt, LRELU_SLOPE)
306
+ if x_mask is not None:
307
+ xt = xt * x_mask
308
+ xt = c2(xt)
309
+ x = xt + x
310
+ if x_mask is not None:
311
+ x = x * x_mask
312
+ return x
313
+
314
+ def remove_weight_norm(self):
315
+ for l in self.convs1:
316
+ remove_weight_norm(l)
317
+ for l in self.convs2:
318
+ remove_weight_norm(l)
319
+
320
+
321
+ class ResBlock2(torch.nn.Module):
322
+ def __init__(self, channels, kernel_size=3, dilation=(1, 3)):
323
+ super(ResBlock2, self).__init__()
324
+ self.convs = nn.ModuleList(
325
+ [
326
+ weight_norm(
327
+ Conv1d(
328
+ channels,
329
+ channels,
330
+ kernel_size,
331
+ 1,
332
+ dilation=dilation[0],
333
+ padding=get_padding(kernel_size, dilation[0]),
334
+ )
335
+ ),
336
+ weight_norm(
337
+ Conv1d(
338
+ channels,
339
+ channels,
340
+ kernel_size,
341
+ 1,
342
+ dilation=dilation[1],
343
+ padding=get_padding(kernel_size, dilation[1]),
344
+ )
345
+ ),
346
+ ]
347
+ )
348
+ self.convs.apply(init_weights)
349
+
350
+ def forward(self, x, x_mask=None):
351
+ for c in self.convs:
352
+ xt = F.leaky_relu(x, LRELU_SLOPE)
353
+ if x_mask is not None:
354
+ xt = xt * x_mask
355
+ xt = c(xt)
356
+ x = xt + x
357
+ if x_mask is not None:
358
+ x = x * x_mask
359
+ return x
360
+
361
+ def remove_weight_norm(self):
362
+ for l in self.convs:
363
+ remove_weight_norm(l)
364
+
365
+
366
+ class Log(nn.Module):
367
+ def forward(self, x, x_mask, reverse=False, **kwargs):
368
+ if not reverse:
369
+ y = torch.log(torch.clamp_min(x, 1e-5)) * x_mask
370
+ logdet = torch.sum(-y, [1, 2])
371
+ return y, logdet
372
+ else:
373
+ x = torch.exp(x) * x_mask
374
+ return x
375
+
376
+
377
+ class Flip(nn.Module):
378
+ def forward(self, x, *args, reverse=False, **kwargs):
379
+ x = torch.flip(x, [1])
380
+ if not reverse:
381
+ logdet = torch.zeros(x.size(0)).to(dtype=x.dtype, device=x.device)
382
+ return x, logdet
383
+ else:
384
+ return x
385
+
386
+
387
+ class ElementwiseAffine(nn.Module):
388
+ def __init__(self, channels):
389
+ super().__init__()
390
+ self.channels = channels
391
+ self.m = nn.Parameter(torch.zeros(channels, 1))
392
+ self.logs = nn.Parameter(torch.zeros(channels, 1))
393
+
394
+ def forward(self, x, x_mask, reverse=False, **kwargs):
395
+ if not reverse:
396
+ y = self.m + torch.exp(self.logs) * x
397
+ y = y * x_mask
398
+ logdet = torch.sum(self.logs * x_mask, [1, 2])
399
+ return y, logdet
400
+ else:
401
+ x = (x - self.m) * torch.exp(-self.logs) * x_mask
402
+ return x
403
+
404
+
405
+ class ResidualCouplingLayer(nn.Module):
406
+ def __init__(
407
+ self,
408
+ channels,
409
+ hidden_channels,
410
+ kernel_size,
411
+ dilation_rate,
412
+ n_layers,
413
+ p_dropout=0,
414
+ gin_channels=0,
415
+ mean_only=False,
416
+ ):
417
+ assert channels % 2 == 0, "channels should be divisible by 2"
418
+ super().__init__()
419
+ self.channels = channels
420
+ self.hidden_channels = hidden_channels
421
+ self.kernel_size = kernel_size
422
+ self.dilation_rate = dilation_rate
423
+ self.n_layers = n_layers
424
+ self.half_channels = channels // 2
425
+ self.mean_only = mean_only
426
+
427
+ self.pre = nn.Conv1d(self.half_channels, hidden_channels, 1)
428
+ self.enc = WN(
429
+ hidden_channels,
430
+ kernel_size,
431
+ dilation_rate,
432
+ n_layers,
433
+ p_dropout=p_dropout,
434
+ gin_channels=gin_channels,
435
+ )
436
+ self.post = nn.Conv1d(hidden_channels, self.half_channels * (2 - mean_only), 1)
437
+ self.post.weight.data.zero_()
438
+ self.post.bias.data.zero_()
439
+
440
+ def forward(self, x, x_mask, g=None, reverse=False):
441
+ x0, x1 = torch.split(x, [self.half_channels] * 2, 1)
442
+ h = self.pre(x0) * x_mask
443
+ h = self.enc(h, x_mask, g=g)
444
+ stats = self.post(h) * x_mask
445
+ if not self.mean_only:
446
+ m, logs = torch.split(stats, [self.half_channels] * 2, 1)
447
+ else:
448
+ m = stats
449
+ logs = torch.zeros_like(m)
450
+
451
+ if not reverse:
452
+ x1 = m + x1 * torch.exp(logs) * x_mask
453
+ x = torch.cat([x0, x1], 1)
454
+ logdet = torch.sum(logs, [1, 2])
455
+ return x, logdet
456
+ else:
457
+ x1 = (x1 - m) * torch.exp(-logs) * x_mask
458
+ x = torch.cat([x0, x1], 1)
459
+ return x
460
+
461
+ def remove_weight_norm(self):
462
+ self.enc.remove_weight_norm()
463
+
464
+
465
+ class ConvFlow(nn.Module):
466
+ def __init__(
467
+ self,
468
+ in_channels,
469
+ filter_channels,
470
+ kernel_size,
471
+ n_layers,
472
+ num_bins=10,
473
+ tail_bound=5.0,
474
+ ):
475
+ super().__init__()
476
+ self.in_channels = in_channels
477
+ self.filter_channels = filter_channels
478
+ self.kernel_size = kernel_size
479
+ self.n_layers = n_layers
480
+ self.num_bins = num_bins
481
+ self.tail_bound = tail_bound
482
+ self.half_channels = in_channels // 2
483
+
484
+ self.pre = nn.Conv1d(self.half_channels, filter_channels, 1)
485
+ self.convs = DDSConv(filter_channels, kernel_size, n_layers, p_dropout=0.0)
486
+ self.proj = nn.Conv1d(
487
+ filter_channels, self.half_channels * (num_bins * 3 - 1), 1
488
+ )
489
+ self.proj.weight.data.zero_()
490
+ self.proj.bias.data.zero_()
491
+
492
+ def forward(self, x, x_mask, g=None, reverse=False):
493
+ x0, x1 = torch.split(x, [self.half_channels] * 2, 1)
494
+ h = self.pre(x0)
495
+ h = self.convs(h, x_mask, g=g)
496
+ h = self.proj(h) * x_mask
497
+
498
+ b, c, t = x0.shape
499
+ h = h.reshape(b, c, -1, t).permute(0, 1, 3, 2) # [b, cx?, t] -> [b, c, t, ?]
500
+
501
+ unnormalized_widths = h[..., : self.num_bins] / math.sqrt(self.filter_channels)
502
+ unnormalized_heights = h[..., self.num_bins : 2 * self.num_bins] / math.sqrt(
503
+ self.filter_channels
504
+ )
505
+ unnormalized_derivatives = h[..., 2 * self.num_bins :]
506
+
507
+ x1, logabsdet = piecewise_rational_quadratic_transform(
508
+ x1,
509
+ unnormalized_widths,
510
+ unnormalized_heights,
511
+ unnormalized_derivatives,
512
+ inverse=reverse,
513
+ tails="linear",
514
+ tail_bound=self.tail_bound,
515
+ )
516
+
517
+ x = torch.cat([x0, x1], 1) * x_mask
518
+ logdet = torch.sum(logabsdet * x_mask, [1, 2])
519
+ if not reverse:
520
+ return x, logdet
521
+ else:
522
+ return x
requirements.txt ADDED
@@ -0,0 +1,13 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ Cython==0.29.21
2
+ librosa==0.9.1
3
+ matplotlib==3.3.1
4
+ numpy==1.23.1
5
+ phonemizer==2.2.1
6
+ scipy==1.10.1
7
+ tensorboard==2.3.0
8
+ torch==2.0.1
9
+ torchvision==0.15.2
10
+ Unidecode==1.1.1
11
+ torchaudio==2.0.2
12
+ pyworld==0.3.3
13
+ fairseq==0.12.2
transforms.py ADDED
@@ -0,0 +1,193 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ import torch
2
+ from torch.nn import functional as F
3
+
4
+ import numpy as np
5
+
6
+
7
+ DEFAULT_MIN_BIN_WIDTH = 1e-3
8
+ DEFAULT_MIN_BIN_HEIGHT = 1e-3
9
+ DEFAULT_MIN_DERIVATIVE = 1e-3
10
+
11
+
12
+ def piecewise_rational_quadratic_transform(inputs,
13
+ unnormalized_widths,
14
+ unnormalized_heights,
15
+ unnormalized_derivatives,
16
+ inverse=False,
17
+ tails=None,
18
+ tail_bound=1.,
19
+ min_bin_width=DEFAULT_MIN_BIN_WIDTH,
20
+ min_bin_height=DEFAULT_MIN_BIN_HEIGHT,
21
+ min_derivative=DEFAULT_MIN_DERIVATIVE):
22
+
23
+ if tails is None:
24
+ spline_fn = rational_quadratic_spline
25
+ spline_kwargs = {}
26
+ else:
27
+ spline_fn = unconstrained_rational_quadratic_spline
28
+ spline_kwargs = {
29
+ 'tails': tails,
30
+ 'tail_bound': tail_bound
31
+ }
32
+
33
+ outputs, logabsdet = spline_fn(
34
+ inputs=inputs,
35
+ unnormalized_widths=unnormalized_widths,
36
+ unnormalized_heights=unnormalized_heights,
37
+ unnormalized_derivatives=unnormalized_derivatives,
38
+ inverse=inverse,
39
+ min_bin_width=min_bin_width,
40
+ min_bin_height=min_bin_height,
41
+ min_derivative=min_derivative,
42
+ **spline_kwargs
43
+ )
44
+ return outputs, logabsdet
45
+
46
+
47
+ def searchsorted(bin_locations, inputs, eps=1e-6):
48
+ bin_locations[..., -1] += eps
49
+ return torch.sum(
50
+ inputs[..., None] >= bin_locations,
51
+ dim=-1
52
+ ) - 1
53
+
54
+
55
+ def unconstrained_rational_quadratic_spline(inputs,
56
+ unnormalized_widths,
57
+ unnormalized_heights,
58
+ unnormalized_derivatives,
59
+ inverse=False,
60
+ tails='linear',
61
+ tail_bound=1.,
62
+ min_bin_width=DEFAULT_MIN_BIN_WIDTH,
63
+ min_bin_height=DEFAULT_MIN_BIN_HEIGHT,
64
+ min_derivative=DEFAULT_MIN_DERIVATIVE):
65
+ inside_interval_mask = (inputs >= -tail_bound) & (inputs <= tail_bound)
66
+ outside_interval_mask = ~inside_interval_mask
67
+
68
+ outputs = torch.zeros_like(inputs)
69
+ logabsdet = torch.zeros_like(inputs)
70
+
71
+ if tails == 'linear':
72
+ unnormalized_derivatives = F.pad(unnormalized_derivatives, pad=(1, 1))
73
+ constant = np.log(np.exp(1 - min_derivative) - 1)
74
+ unnormalized_derivatives[..., 0] = constant
75
+ unnormalized_derivatives[..., -1] = constant
76
+
77
+ outputs[outside_interval_mask] = inputs[outside_interval_mask]
78
+ logabsdet[outside_interval_mask] = 0
79
+ else:
80
+ raise RuntimeError('{} tails are not implemented.'.format(tails))
81
+
82
+ outputs[inside_interval_mask], logabsdet[inside_interval_mask] = rational_quadratic_spline(
83
+ inputs=inputs[inside_interval_mask],
84
+ unnormalized_widths=unnormalized_widths[inside_interval_mask, :],
85
+ unnormalized_heights=unnormalized_heights[inside_interval_mask, :],
86
+ unnormalized_derivatives=unnormalized_derivatives[inside_interval_mask, :],
87
+ inverse=inverse,
88
+ left=-tail_bound, right=tail_bound, bottom=-tail_bound, top=tail_bound,
89
+ min_bin_width=min_bin_width,
90
+ min_bin_height=min_bin_height,
91
+ min_derivative=min_derivative
92
+ )
93
+
94
+ return outputs, logabsdet
95
+
96
+ def rational_quadratic_spline(inputs,
97
+ unnormalized_widths,
98
+ unnormalized_heights,
99
+ unnormalized_derivatives,
100
+ inverse=False,
101
+ left=0., right=1., bottom=0., top=1.,
102
+ min_bin_width=DEFAULT_MIN_BIN_WIDTH,
103
+ min_bin_height=DEFAULT_MIN_BIN_HEIGHT,
104
+ min_derivative=DEFAULT_MIN_DERIVATIVE):
105
+ if torch.min(inputs) < left or torch.max(inputs) > right:
106
+ raise ValueError('Input to a transform is not within its domain')
107
+
108
+ num_bins = unnormalized_widths.shape[-1]
109
+
110
+ if min_bin_width * num_bins > 1.0:
111
+ raise ValueError('Minimal bin width too large for the number of bins')
112
+ if min_bin_height * num_bins > 1.0:
113
+ raise ValueError('Minimal bin height too large for the number of bins')
114
+
115
+ widths = F.softmax(unnormalized_widths, dim=-1)
116
+ widths = min_bin_width + (1 - min_bin_width * num_bins) * widths
117
+ cumwidths = torch.cumsum(widths, dim=-1)
118
+ cumwidths = F.pad(cumwidths, pad=(1, 0), mode='constant', value=0.0)
119
+ cumwidths = (right - left) * cumwidths + left
120
+ cumwidths[..., 0] = left
121
+ cumwidths[..., -1] = right
122
+ widths = cumwidths[..., 1:] - cumwidths[..., :-1]
123
+
124
+ derivatives = min_derivative + F.softplus(unnormalized_derivatives)
125
+
126
+ heights = F.softmax(unnormalized_heights, dim=-1)
127
+ heights = min_bin_height + (1 - min_bin_height * num_bins) * heights
128
+ cumheights = torch.cumsum(heights, dim=-1)
129
+ cumheights = F.pad(cumheights, pad=(1, 0), mode='constant', value=0.0)
130
+ cumheights = (top - bottom) * cumheights + bottom
131
+ cumheights[..., 0] = bottom
132
+ cumheights[..., -1] = top
133
+ heights = cumheights[..., 1:] - cumheights[..., :-1]
134
+
135
+ if inverse:
136
+ bin_idx = searchsorted(cumheights, inputs)[..., None]
137
+ else:
138
+ bin_idx = searchsorted(cumwidths, inputs)[..., None]
139
+
140
+ input_cumwidths = cumwidths.gather(-1, bin_idx)[..., 0]
141
+ input_bin_widths = widths.gather(-1, bin_idx)[..., 0]
142
+
143
+ input_cumheights = cumheights.gather(-1, bin_idx)[..., 0]
144
+ delta = heights / widths
145
+ input_delta = delta.gather(-1, bin_idx)[..., 0]
146
+
147
+ input_derivatives = derivatives.gather(-1, bin_idx)[..., 0]
148
+ input_derivatives_plus_one = derivatives[..., 1:].gather(-1, bin_idx)[..., 0]
149
+
150
+ input_heights = heights.gather(-1, bin_idx)[..., 0]
151
+
152
+ if inverse:
153
+ a = (((inputs - input_cumheights) * (input_derivatives
154
+ + input_derivatives_plus_one
155
+ - 2 * input_delta)
156
+ + input_heights * (input_delta - input_derivatives)))
157
+ b = (input_heights * input_derivatives
158
+ - (inputs - input_cumheights) * (input_derivatives
159
+ + input_derivatives_plus_one
160
+ - 2 * input_delta))
161
+ c = - input_delta * (inputs - input_cumheights)
162
+
163
+ discriminant = b.pow(2) - 4 * a * c
164
+ assert (discriminant >= 0).all()
165
+
166
+ root = (2 * c) / (-b - torch.sqrt(discriminant))
167
+ outputs = root * input_bin_widths + input_cumwidths
168
+
169
+ theta_one_minus_theta = root * (1 - root)
170
+ denominator = input_delta + ((input_derivatives + input_derivatives_plus_one - 2 * input_delta)
171
+ * theta_one_minus_theta)
172
+ derivative_numerator = input_delta.pow(2) * (input_derivatives_plus_one * root.pow(2)
173
+ + 2 * input_delta * theta_one_minus_theta
174
+ + input_derivatives * (1 - root).pow(2))
175
+ logabsdet = torch.log(derivative_numerator) - 2 * torch.log(denominator)
176
+
177
+ return outputs, -logabsdet
178
+ else:
179
+ theta = (inputs - input_cumwidths) / input_bin_widths
180
+ theta_one_minus_theta = theta * (1 - theta)
181
+
182
+ numerator = input_heights * (input_delta * theta.pow(2)
183
+ + input_derivatives * theta_one_minus_theta)
184
+ denominator = input_delta + ((input_derivatives + input_derivatives_plus_one - 2 * input_delta)
185
+ * theta_one_minus_theta)
186
+ outputs = input_cumheights + numerator / denominator
187
+
188
+ derivative_numerator = input_delta.pow(2) * (input_derivatives_plus_one * theta.pow(2)
189
+ + 2 * input_delta * theta_one_minus_theta
190
+ + input_derivatives * (1 - theta).pow(2))
191
+ logabsdet = torch.log(derivative_numerator) - 2 * torch.log(denominator)
192
+
193
+ return outputs, logabsdet
trump.pt ADDED
@@ -0,0 +1,3 @@
 
 
 
 
1
+ version https://git-lfs.github.com/spec/v1
2
+ oid sha256:fd6f9bd871c964efcafe8f8ab1663173fb8246617521fd8fe7eee8eb99da1815
3
+ size 66773417