Add Kotlin API for Matcha-TTS models. (#1668)

@@ -75,3 +75,8 @@ jobs:
 
           cd ./kotlin-api-examples
           ./run.sh
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: tts-files-${{ matrix.os }}
+          path: kotlin-api-examples/test-*.wav

@@ -125,3 +125,4 @@ sherpa-onnx-moonshine-tiny-en-int8
 sherpa-onnx-moonshine-base-en-int8
 harmony-os/SherpaOnnxHar/sherpa_onnx/LICENSE
 harmony-os/SherpaOnnxHar/sherpa_onnx/CHANGELOG.md
+matcha-icefall-zh-baker

@@ -105,6 +105,16 @@ function testTts() {
     rm vits-piper-en_US-amy-low.tar.bz2
   fi
 
+  if [ ! -f ./matcha-icefall-zh-baker/model-steps-3.onnx ]; then
+    curl -SL -O https://github.com/k2-fsa/sherpa-onnx/releases/download/tts-models/matcha-icefall-zh-baker.tar.bz2
+    tar xvf matcha-icefall-zh-baker.tar.bz2
+    rm matcha-icefall-zh-baker.tar.bz2
+  fi
+
+  if [ ! -f ./hifigan_v2.onnx ]; then
+    curl -SL -O https://github.com/k2-fsa/sherpa-onnx/releases/download/vocoder-models/hifigan_v2.onnx
+  fi
+
   out_filename=test_tts.jar
   kotlinc-jvm -include-runtime -d $out_filename \
     test_tts.kt \

 package com.k2fsa.sherpa.onnx
 
 fun main() {
-  testTts()
+  testVits()
+  testMatcha()
 }
 
-fun testTts() {
+fun testMatcha() {
+  // see https://github.com/k2-fsa/sherpa-onnx/releases/tag/tts-models
+  // https://github.com/k2-fsa/sherpa-onnx/releases/download/tts-models/matcha-icefall-zh-baker.tar.bz2
+  var config = OfflineTtsConfig(
+    model=OfflineTtsModelConfig(
+      matcha=OfflineTtsMatchaModelConfig(
+        acousticModel="./matcha-icefall-zh-baker/model-steps-3.onnx",
+        vocoder="./hifigan_v2.onnx",
+        tokens="./matcha-icefall-zh-baker/tokens.txt",
+        lexicon="./matcha-icefall-zh-baker/lexicon.txt",
+        dictDir="./matcha-icefall-zh-baker/dict",
+      ),
+      numThreads=1,
+      debug=true,
+    ),
+    ruleFsts="./matcha-icefall-zh-baker/phone.fst,./matcha-icefall-zh-baker/date.fst,./matcha-icefall-zh-baker/number.fst",
+  )
+  val tts = OfflineTts(config=config)
+  val audio = tts.generateWithCallback(text="某某银行的副行长和一些行政领导表示，他们去过长江和长白山; 经济不断增长。2024年12月31号，拨打110或者18920240511。123456块钱。", callback=::callback)
+  audio.save(filename="test-zh.wav")
+  tts.release()
+  println("Saved to test-zh.wav")
+}
+
+fun testVits() {
   // see https://github.com/k2-fsa/sherpa-onnx/releases/tag/tts-models
   // https://github.com/k2-fsa/sherpa-onnx/releases/download/tts-models/vits-piper-en_US-amy-low.tar.bz2
   var config = OfflineTtsConfig(

@@ -1727,11 +1727,15 @@ const SherpaOnnxOnlinePunctuation *SherpaOnnxCreateOnlinePunctuation(
   auto p = new SherpaOnnxOnlinePunctuation;
   try {
     sherpa_onnx::OnlinePunctuationConfig punctuation_config;
-    punctuation_config.model.cnn_bilstm = SHERPA_ONNX_OR(config->model.cnn_bilstm, "");
-    punctuation_config.model.bpe_vocab = SHERPA_ONNX_OR(config->model.bpe_vocab, "");
-    punctuation_config.model.num_threads = SHERPA_ONNX_OR(config->model.num_threads, 1);
+    punctuation_config.model.cnn_bilstm =
+        SHERPA_ONNX_OR(config->model.cnn_bilstm, "");
+    punctuation_config.model.bpe_vocab =
+        SHERPA_ONNX_OR(config->model.bpe_vocab, "");
+    punctuation_config.model.num_threads =
+        SHERPA_ONNX_OR(config->model.num_threads, 1);
     punctuation_config.model.debug = config->model.debug;
-    punctuation_config.model.provider = SHERPA_ONNX_OR(config->model.provider, "cpu");
+    punctuation_config.model.provider =
+        SHERPA_ONNX_OR(config->model.provider, "cpu");
 
     p->impl =
         std::make_unique<sherpa_onnx::OnlinePunctuation>(punctuation_config);

@@ -1381,12 +1381,14 @@ SHERPA_ONNX_API typedef struct SherpaOnnxOnlinePunctuationConfig {
   SherpaOnnxOnlinePunctuationModelConfig model;
 } SherpaOnnxOnlinePunctuationConfig;
 
-SHERPA_ONNX_API typedef struct SherpaOnnxOnlinePunctuation SherpaOnnxOnlinePunctuation;
+SHERPA_ONNX_API typedef struct SherpaOnnxOnlinePunctuation
+    SherpaOnnxOnlinePunctuation;
 
 // Create an online punctuation processor. The user has to invoke
 // SherpaOnnxDestroyOnlinePunctuation() to free the returned pointer
 // to avoid memory leak
-SHERPA_ONNX_API const SherpaOnnxOnlinePunctuation *SherpaOnnxCreateOnlinePunctuation(
+SHERPA_ONNX_API const SherpaOnnxOnlinePunctuation *
+SherpaOnnxCreateOnlinePunctuation(
     const SherpaOnnxOnlinePunctuationConfig *config);
 
 // Free a pointer returned by SherpaOnnxCreateOnlinePunctuation()

@@ -155,7 +155,7 @@ class JiebaLexicon::Impl {
 
       this_sentence.insert(this_sentence.end(), ids.begin(), ids.end());
 
-      if (w == "。" || w == "！" || w == "？" || w == "，") {
+      if (IsPunct(w)) {
         ans.emplace_back(std::move(this_sentence));
         this_sentence = {};
       }

@@ -20,6 +20,7 @@ static OfflineTtsConfig GetOfflineTtsConfig(JNIEnv *env, jobject config) {
   jobject model = env->GetObjectField(config, fid);
   jclass model_config_cls = env->GetObjectClass(model);
 
+  // vits
   fid = env->GetFieldID(model_config_cls, "vits",
                         "Lcom/k2fsa/sherpa/onnx/OfflineTtsVitsModelConfig;");
   jobject vits = env->GetObjectField(model, fid);
@@ -64,6 +65,54 @@ static OfflineTtsConfig GetOfflineTtsConfig(JNIEnv *env, jobject config) {
   fid = env->GetFieldID(vits_cls, "lengthScale", "F");
   ans.model.vits.length_scale = env->GetFloatField(vits, fid);
 
+  // matcha
+  fid = env->GetFieldID(model_config_cls, "matcha",
+                        "Lcom/k2fsa/sherpa/onnx/OfflineTtsMatchaModelConfig;");
+  jobject matcha = env->GetObjectField(model, fid);
+  jclass matcha_cls = env->GetObjectClass(matcha);
+
+  fid = env->GetFieldID(matcha_cls, "acousticModel", "Ljava/lang/String;");
+  s = (jstring)env->GetObjectField(matcha, fid);
+  p = env->GetStringUTFChars(s, nullptr);
+  ans.model.matcha.acoustic_model = p;
+  env->ReleaseStringUTFChars(s, p);
+
+  fid = env->GetFieldID(matcha_cls, "vocoder", "Ljava/lang/String;");
+  s = (jstring)env->GetObjectField(matcha, fid);
+  p = env->GetStringUTFChars(s, nullptr);
+  ans.model.matcha.vocoder = p;
+  env->ReleaseStringUTFChars(s, p);
+
+  fid = env->GetFieldID(matcha_cls, "lexicon", "Ljava/lang/String;");
+  s = (jstring)env->GetObjectField(matcha, fid);
+  p = env->GetStringUTFChars(s, nullptr);
+  ans.model.matcha.lexicon = p;
+  env->ReleaseStringUTFChars(s, p);
+
+  fid = env->GetFieldID(matcha_cls, "tokens", "Ljava/lang/String;");
+  s = (jstring)env->GetObjectField(matcha, fid);
+  p = env->GetStringUTFChars(s, nullptr);
+  ans.model.matcha.tokens = p;
+  env->ReleaseStringUTFChars(s, p);
+
+  fid = env->GetFieldID(matcha_cls, "dataDir", "Ljava/lang/String;");
+  s = (jstring)env->GetObjectField(matcha, fid);
+  p = env->GetStringUTFChars(s, nullptr);
+  ans.model.matcha.data_dir = p;
+  env->ReleaseStringUTFChars(s, p);
+
+  fid = env->GetFieldID(matcha_cls, "dictDir", "Ljava/lang/String;");
+  s = (jstring)env->GetObjectField(matcha, fid);
+  p = env->GetStringUTFChars(s, nullptr);
+  ans.model.matcha.dict_dir = p;
+  env->ReleaseStringUTFChars(s, p);
+
+  fid = env->GetFieldID(matcha_cls, "noiseScale", "F");
+  ans.model.matcha.noise_scale = env->GetFloatField(matcha, fid);
+
+  fid = env->GetFieldID(matcha_cls, "lengthScale", "F");
+  ans.model.matcha.length_scale = env->GetFloatField(matcha, fid);
+
   fid = env->GetFieldID(model_config_cls, "numThreads", "I");
   ans.model.num_threads = env->GetIntField(model, fid);
 

@@ -14,8 +14,20 @@ data class OfflineTtsVitsModelConfig(
     var lengthScale: Float = 1.0f,
 )
 
+data class OfflineTtsMatchaModelConfig(
+    var acousticModel: String = "",
+    var vocoder: String = "",
+    var lexicon: String = "",
+    var tokens: String = "",
+    var dataDir: String = "",
+    var dictDir: String = "",
+    var noiseScale: Float = 1.0f,
+    var lengthScale: Float = 1.0f,
+)
+
 data class OfflineTtsModelConfig(
     var vits: OfflineTtsVitsModelConfig = OfflineTtsVitsModelConfig(),
+    var matcha: OfflineTtsMatchaModelConfig = OfflineTtsMatchaModelConfig(),
     var numThreads: Int = 1,
     var debug: Boolean = false,
     var provider: String = "cpu",