Server updates

server/conf.json

@@ -1,7 +1,12 @@
 {
-    "model_path":"/home/erogol/projects/runs/2579/keep/November-04-2018_06+19PM-TTS-master-_tmp-debug/",
-    "model_name":"best_model.pth.tar",
-    "model_config":"config.json",
+    "tts_path":"/media/erogol/data_ssd/Data/models/ljspeech_models/ljspeech-April-08-2019_07+32PM-8a47b46/",  // tts model root folder
+    "tts_file":"checkpoint_261000.pth.tar",     // tts checkpoint file
+    "tts_config":"config.json",     // tts config.json file
+    "wavernn_lib_path": "/home/erogol/projects/",   // Rootpath to wavernn project folder to be important. If this is none, model uses GL for speech synthesis.
+    "wavernn_path":"/media/erogol/data_ssd/Data/models/wavernn/ljspeech/mold_ljspeech_best_model/",  // wavernn model root path
+    "wavernn_file":"checkpoint_433000.pth.tar", // wavernn checkpoint file name
+    "wavernn_config":"config.json", // wavernn config file
+    "is_wavernn_batched":true, 
     "port": 5002,
     "use_cuda": true
 }

server/server.py

@@ -11,10 +11,7 @@ args = parser.parse_args()
 
 config = load_config(args.config_path)
 app = Flask(__name__)
-synthesizer = Synthesizer()
-synthesizer.load_model(config.model_path, config.model_name,
-                       config.model_config, config.use_cuda)
-
+synthesizer = Synthesizer(config)
 
 @app.route('/')
 def index():

server/synthesizer.py

@@ -1,40 +1,82 @@
 import io
 import os
-import librosa
-import torch
-import scipy
+import sys
+
 import numpy as np
-import soundfile as sf
-from utils.text import text_to_sequence
-from utils.generic_utils import load_config
-from utils.audio import AudioProcessor
+import torch
+
 from models.tacotron import Tacotron
-from matplotlib import pylab as plt
+from utils.audio import AudioProcessor
+from utils.generic_utils import load_config, setup_model
+from utils.text import phoneme_to_sequence, phonemes, symbols, text_to_sequence, sequence_to_phoneme
 
 
 class Synthesizer(object):
-    def load_model(self, model_path, model_name, model_config, use_cuda):
-        model_config = os.path.join(model_path, model_config)
-        self.model_file = os.path.join(model_path, model_name)
-        print(" > Loading model ...")
-        print(" | > model config: ", model_config)
-        print(" | > model file: ", self.model_file)
-        config = load_config(model_config)
+    def __init__(self, config):
+        self.wavernn = None
         self.config = config 
-        self.use_cuda = use_cuda
-        self.ap = AudioProcessor(**config.audio)
-        self.model = Tacotron(config.embedding_size, self.ap.num_freq, self.ap.num_mels, config.r)
+        self.use_cuda = config.use_cuda
+        if self.use_cuda:
+            assert torch.cuda.is_available(), "CUDA is not availabe on this machine."
+        self.load_tts(self.config.tts_path, self.config.tts_file, self.config.tts_config, config.use_cuda)
+        if self.config.wavernn_lib_path:
+            self.load_wavernn(config.wavernn_lib_path, config.wavernn_path, config.wavernn_file, config.wavernn_config, config.use_cuda)
+
+    def load_tts(self, model_path, model_file, model_config, use_cuda):
+        tts_config = os.path.join(model_path, model_config)
+        self.model_file = os.path.join(model_path, model_file)
+        print(" > Loading TTS model ...")
+        print(" | > model config: ", tts_config)
+        print(" | > model file: ", model_file)
+        self.tts_config = load_config(tts_config)
+        self.use_phonemes = self.tts_config.use_phonemes
+        self.ap = AudioProcessor(**self.tts_config.audio)
+        if self.use_phonemes:
+            self.input_size = len(phonemes)
+            self.input_adapter = lambda sen: phoneme_to_sequence(sen, [self.tts_config.text_cleaner], self.tts_config.phoneme_language, self.tts_config.enable_eos_bos_chars)
+        else:
+            self.input_size = len(symbols)
+            self.input_adapter = lambda sen: text_to_sequence(sen, [self.tts_config.text_cleaner])
+        self.tts_model = setup_model(self.input_size, self.tts_config)
         # load model state
         if use_cuda:
             cp = torch.load(self.model_file)
         else:
-            cp = torch.load(
-                self.model_file, map_location=lambda storage, loc: storage)
+            cp = torch.load(self.model_file, map_location=lambda storage, loc: storage)
         # load the model
-        self.model.load_state_dict(cp['model'])
+        self.tts_model.load_state_dict(cp['model'])
         if use_cuda:
-            self.model.cuda()
-        self.model.eval()
+            self.tts_model.cuda()
+        self.tts_model.eval()
+
+    def load_wavernn(self, lib_path, model_path, model_file, model_config, use_cuda):
+        sys.path.append(lib_path) # set this if TTS is not installed globally
+        from WaveRNN.models.wavernn import Model
+        wavernn_config = os.path.join(model_path, model_config)
+        model_file = os.path.join(model_path, model_file)
+        print(" > Loading WaveRNN model ...")
+        print(" | > model config: ", wavernn_config)
+        print(" | > model file: ", model_file)
+        self.wavernn_config = load_config(wavernn_config)
+        self.wavernn = Model(
+                rnn_dims=512,
+                fc_dims=512,
+                mode=self.wavernn_config.mode,
+                pad=2,
+                upsample_factors=self.wavernn_config.upsample_factors,  # set this depending on dataset
+                feat_dims=80,
+                compute_dims=128,
+                res_out_dims=128,
+                res_blocks=10,
+                hop_length=self.ap.hop_length,
+                sample_rate=self.ap.sample_rate,
+            ).cuda()
+
+        check = torch.load(model_file)
+        self.wavernn.load_state_dict(check['model'])
+        if use_cuda:
+            self.wavernn.cuda()
+        self.wavernn.eval()
 
     def save_wav(self, wav, path):
         # wav *= 32767 / max(1e-8, np.max(np.abs(wav)))
@@ -42,25 +84,35 @@ class Synthesizer(object):
         self.ap.save_wav(wav, path)
 
     def tts(self, text):
-        text_cleaner = [self.config.text_cleaner]
         wavs = []
         for sen in text.split('.'):
             if len(sen) < 3:
                 continue
             sen = sen.strip()
-            sen += '.'
             print(sen)
             sen = sen.strip()
-            seq = np.array(text_to_sequence(sen, text_cleaner))
+
+            seq = np.array(self.input_adapter(sen))
+            text_hat = sequence_to_phoneme(seq)
+            print(text_hat)
+
             chars_var = torch.from_numpy(seq).unsqueeze(0).long()
+
             if self.use_cuda:
                 chars_var = chars_var.cuda()
-            mel_out, linear_out, alignments, stop_tokens = self.model.forward(
+            decoder_out, postnet_out, alignments, stop_tokens = self.tts_model.inference(
                 chars_var)
-            linear_out = linear_out[0].data.cpu().numpy()
-            wav = self.ap.inv_spectrogram(linear_out.T)
-            out = io.BytesIO()
+            postnet_out = postnet_out[0].data.cpu().numpy()
+            if self.tts_config.model == "Tacotron":
+                wav = self.ap.inv_spectrogram(postnet_out.T)
+            elif self.tts_config.model == "Tacotron2":
+                if self.wavernn:
+                    wav = self.wavernn.generate(torch.FloatTensor(postnet_out.T).unsqueeze(0).cuda(), batched=self.config.is_wavernn_batched, target=11000, overlap=550)
+                else:
+                    wav = self.ap.inv_mel_spectrogram(postnet_out.T)
             wavs += list(wav)
             wavs += [0] * 10000
+
+        out = io.BytesIO()
         self.save_wav(wavs, out)
         return out

server/templates/index.html

@@ -56,11 +56,10 @@
     <div class="container">
       <div class="row">
         <div class="col-lg-12 text-center">
-          <h1 class="mt-5">Mozilla TTS</h1>
-          <p class="lead">"work-in-progress"</p>
+          <img class="mt-5" src="https://user-images.githubusercontent.com/1402048/52643646-c2102980-2edd-11e9-8c37-b72f3c89a640.png" alt=></img>
           <ul class="list-unstyled">
           </ul>
-          <input id="text" placeholder="Enter text" size=45 type="text" name="text"> 
+          <input id="text" placeholder="Type here..." size=45 type="text" name="text"> 
           <button id="speak-button" name="speak">Speak</button><br/><br/>
           <audio id="audio" controls autoplay hidden></audio>
           <p id="message"></p>