Add Kotlin and Java API for Dolphin CTC models (#2086)

sherpa-onnx/kotlin-api/OfflineRecognizer.kt

@@ -25,6 +25,10 @@ data class OfflineNemoEncDecCtcModelConfig(
     var model: String = "",
 )
 
+data class OfflineDolphinModelConfig(
+    var model: String = "",
+)
+
 data class OfflineWhisperModelConfig(
     var encoder: String = "",
     var decoder: String = "",
@@ -59,6 +63,7 @@ data class OfflineModelConfig(
     var moonshine: OfflineMoonshineModelConfig = OfflineMoonshineModelConfig(),
     var nemo: OfflineNemoEncDecCtcModelConfig = OfflineNemoEncDecCtcModelConfig(),
     var senseVoice: OfflineSenseVoiceModelConfig = OfflineSenseVoiceModelConfig(),
+    var dolphin: OfflineDolphinModelConfig = OfflineDolphinModelConfig(),
     var teleSpeech: String = "",
     var numThreads: Int = 1,
     var debug: Boolean = false,
@@ -481,6 +486,16 @@ fun getOfflineModelConfig(type: Int): OfflineModelConfig? {
                 tokens = "$modelDir/tokens.txt",
             )
         }
+
+        25 -> {
+            val modelDir = "sherpa-onnx-dolphin-base-ctc-multi-lang-int8-2025-04-02"
+            return OfflineModelConfig(
+                dolphin = OfflineDolphinModelConfig(
+                    model = "$modelDir/model.int8.onnx",
+                ),
+                tokens = "$modelDir/tokens.txt",
+            )
+        }
     }
     return null
 }

sherpa-onnx/kotlin-api/OnlineRecognizer.kt

@@ -374,6 +374,26 @@ fun getModelConfig(type: Int): OnlineModelConfig? {
                 modelType = "zipformer",
             )
         }
+
+        15 -> {
+            val modelDir = "sherpa-onnx-streaming-zipformer-small-ctc-zh-int8-2025-04-01"
+            return OnlineModelConfig(
+                zipformer2Ctc = OnlineZipformer2CtcModelConfig(
+                    model = "$modelDir/model.int8.onnx",
+                ),
+                tokens = "$modelDir/tokens.txt",
+            )
+        }
+
+        16 -> {
+            val modelDir = "sherpa-onnx-streaming-zipformer-small-ctc-zh-2025-04-01"
+            return OnlineModelConfig(
+                zipformer2Ctc = OnlineZipformer2CtcModelConfig(
+                    model = "$modelDir/model.onnx",
+                ),
+                tokens = "$modelDir/tokens.txt",
+            )
+        }
     }
     return null
 }