Add Java and Koltin API for Kokoro TTS 1.0 (#1798)

sherpa-onnx/java-api/src/com/k2fsa/sherpa/onnx/OfflineTtsKokoroModelConfig.java

@@ -5,14 +5,18 @@ public class OfflineTtsKokoroModelConfig {
     private final String model;
     private final String voices;
     private final String tokens;
+    private final String lexicon;
     private final String dataDir;
+    private final String dictDir;
     private final float lengthScale;
 
     private OfflineTtsKokoroModelConfig(Builder builder) {
         this.model = builder.model;
         this.voices = builder.voices;
         this.tokens = builder.tokens;
+        this.lexicon = builder.lexicon;
         this.dataDir = builder.dataDir;
+        this.dictDir = builder.dictDir;
         this.lengthScale = builder.lengthScale;
     }
 
@@ -45,7 +49,9 @@ public class OfflineTtsKokoroModelConfig {
         private String model = "";
         private String voices = "";
         private String tokens = "";
+        private String lexicon = "";
         private String dataDir = "";
+        private String dictDir = "";
         private float lengthScale = 1.0f;
 
         public OfflineTtsKokoroModelConfig build() {
@@ -67,11 +73,21 @@ public class OfflineTtsKokoroModelConfig {
             return this;
         }
 
+        public Builder setLexicon(String lexicon) {
+            this.lexicon = lexicon;
+            return this;
+        }
+
         public Builder setDataDir(String dataDir) {
             this.dataDir = dataDir;
             return this;
         }
 
+        public Builder setDictDir(String dictDir) {
+            this.dictDir = dictDir;
+            return this;
+        }
+
         public Builder setLengthScale(float lengthScale) {
             this.lengthScale = lengthScale;
             return this;

sherpa-onnx/jni/offline-tts.cc

@@ -137,12 +137,24 @@ static OfflineTtsConfig GetOfflineTtsConfig(JNIEnv *env, jobject config) {
   ans.model.kokoro.tokens = p;
   env->ReleaseStringUTFChars(s, p);
 
+  fid = env->GetFieldID(kokoro_cls, "lexicon", "Ljava/lang/String;");
+  s = (jstring)env->GetObjectField(kokoro, fid);
+  p = env->GetStringUTFChars(s, nullptr);
+  ans.model.kokoro.lexicon = p;
+  env->ReleaseStringUTFChars(s, p);
+
   fid = env->GetFieldID(kokoro_cls, "dataDir", "Ljava/lang/String;");
   s = (jstring)env->GetObjectField(kokoro, fid);
   p = env->GetStringUTFChars(s, nullptr);
   ans.model.kokoro.data_dir = p;
   env->ReleaseStringUTFChars(s, p);
 
+  fid = env->GetFieldID(kokoro_cls, "dictDir", "Ljava/lang/String;");
+  s = (jstring)env->GetObjectField(kokoro, fid);
+  p = env->GetStringUTFChars(s, nullptr);
+  ans.model.kokoro.dict_dir = p;
+  env->ReleaseStringUTFChars(s, p);
+
   fid = env->GetFieldID(kokoro_cls, "lengthScale", "F");
   ans.model.kokoro.length_scale = env->GetFloatField(kokoro, fid);
 

sherpa-onnx/kotlin-api/Tts.kt

@@ -30,6 +30,8 @@ data class OfflineTtsKokoroModelConfig(
     var voices: String = "",
     var tokens: String = "",
     var dataDir: String = "",
+    var lexicon: String = "",
+    var dictDir: String = "",
     var lengthScale: Float = 1.0f,
 )
 
@@ -254,6 +256,8 @@ fun getOfflineTtsConfig(
             voices = "$modelDir/$voices",
             tokens = "$modelDir/tokens.txt",
             dataDir = dataDir,
+            lexicon = if ("," in lexicon) lexicon else "$modelDir/$lexicon",
+            dictDir = dictDir,
         )
     } else {
         OfflineTtsKokoroModelConfig()