Add non-streaming ASR examples for Dart API (#1007)

sherpa-onnx/flutter/lib/src/offline_recognizer.dart

@@ -102,11 +102,14 @@ class OfflineModelConfig {
     this.debug = true,
     this.provider = 'cpu',
     this.modelType = '',
+    this.modelingUnit = '',
+    this.bpeVocab = '',
+    this.telespeechCtc = '',
   });
 
   @override
   String toString() {
-    return 'OfflineModelConfig(transducer: $transducer, paraformer: $paraformer, nemoCtc: $nemoCtc, whisper: $whisper, tdnn: $tdnn, tokens: $tokens, numThreads: $numThreads, debug: $debug, provider: $provider, modelType: $modelType)';
+    return 'OfflineModelConfig(transducer: $transducer, paraformer: $paraformer, nemoCtc: $nemoCtc, whisper: $whisper, tdnn: $tdnn, tokens: $tokens, numThreads: $numThreads, debug: $debug, provider: $provider, modelType: $modelType, modelingUnit: $modelingUnit, bpeVocab: $bpeVocab, telespeechCtc: $telespeechCtc)';
   }
 
   final OfflineTransducerModelConfig transducer;
@@ -120,6 +123,9 @@ class OfflineModelConfig {
   final bool debug;
   final String provider;
   final String modelType;
+  final String modelingUnit;
+  final String bpeVocab;
+  final String telespeechCtc;
 }
 
 class OfflineRecognizerConfig {
@@ -213,6 +219,9 @@ class OfflineRecognizer {
     c.ref.model.debug = config.model.debug ? 1 : 0;
     c.ref.model.provider = config.model.provider.toNativeUtf8();
     c.ref.model.modelType = config.model.modelType.toNativeUtf8();
+    c.ref.model.modelingUnit = config.model.modelingUnit.toNativeUtf8();
+    c.ref.model.bpeVocab = config.model.bpeVocab.toNativeUtf8();
+    c.ref.model.telespeechCtc = config.model.telespeechCtc.toNativeUtf8();
 
     c.ref.lm.model = config.lm.model.toNativeUtf8();
     c.ref.lm.scale = config.lm.scale;
@@ -228,6 +237,9 @@ class OfflineRecognizer {
     calloc.free(c.ref.hotwordsFile);
     calloc.free(c.ref.decodingMethod);
     calloc.free(c.ref.lm.model);
+    calloc.free(c.ref.model.telespeechCtc);
+    calloc.free(c.ref.model.bpeVocab);
+    calloc.free(c.ref.model.modelingUnit);
     calloc.free(c.ref.model.modelType);
     calloc.free(c.ref.model.provider);
     calloc.free(c.ref.model.tokens);

sherpa-onnx/flutter/lib/src/online_recognizer.dart

@@ -58,11 +58,13 @@ class OnlineModelConfig {
     this.provider = 'cpu',
     this.debug = true,
     this.modelType = '',
+    this.modelingUnit = '',
+    this.bpeVocab = '',
   });
 
   @override
   String toString() {
-    return 'OnlineModelConfig(transducer: $transducer, paraformer: $paraformer, zipformer2Ctc: $zipformer2Ctc, tokens: $tokens, numThreads: $numThreads, provider: $provider, debug: $debug, modelType: $modelType)';
+    return 'OnlineModelConfig(transducer: $transducer, paraformer: $paraformer, zipformer2Ctc: $zipformer2Ctc, tokens: $tokens, numThreads: $numThreads, provider: $provider, debug: $debug, modelType: $modelType, modelingUnit: $modelingUnit, bpeVocab: $bpeVocab)';
   }
 
   final OnlineTransducerModelConfig transducer;
@@ -78,6 +80,10 @@ class OnlineModelConfig {
   final bool debug;
 
   final String modelType;
+
+  final String modelingUnit;
+
+  final String bpeVocab;
 }
 
 class OnlineCtcFstDecoderConfig {
@@ -180,6 +186,8 @@ class OnlineRecognizer {
     c.ref.model.provider = config.model.provider.toNativeUtf8();
     c.ref.model.debug = config.model.debug ? 1 : 0;
     c.ref.model.modelType = config.model.modelType.toNativeUtf8();
+    c.ref.model.modelingUnit = config.model.modelingUnit.toNativeUtf8();
+    c.ref.model.bpeVocab = config.model.bpeVocab.toNativeUtf8();
 
     c.ref.decodingMethod = config.decodingMethod.toNativeUtf8();
     c.ref.maxActivePaths = config.maxActivePaths;
@@ -199,6 +207,8 @@ class OnlineRecognizer {
     calloc.free(c.ref.ctcFstDecoderConfig.graph);
     calloc.free(c.ref.hotwordsFile);
     calloc.free(c.ref.decodingMethod);
+    calloc.free(c.ref.model.bpeVocab);
+    calloc.free(c.ref.model.modelingUnit);
     calloc.free(c.ref.model.modelType);
     calloc.free(c.ref.model.provider);
     calloc.free(c.ref.model.tokens);

sherpa-onnx/flutter/lib/src/sherpa_onnx_bindings.dart

@@ -63,6 +63,9 @@ final class SherpaOnnxOfflineModelConfig extends Struct {
   external Pointer<Utf8> provider;
 
   external Pointer<Utf8> modelType;
+  external Pointer<Utf8> modelingUnit;
+  external Pointer<Utf8> bpeVocab;
+  external Pointer<Utf8> telespeechCtc;
 }
 
 final class SherpaOnnxOfflineRecognizerConfig extends Struct {
@@ -111,6 +114,10 @@ final class SherpaOnnxOnlineModelConfig extends Struct {
   external int debug;
 
   external Pointer<Utf8> modelType;
+
+  external Pointer<Utf8> modelingUnit;
+
+  external Pointer<Utf8> bpeVocab;
 }
 
 final class SherpaOnnxOnlineCtcFstDecoderConfig extends Struct {

sherpa-onnx/flutter/pubspec.yaml

@@ -17,7 +17,7 @@ topics:
   - voice-activity-detection
 
 # remember to change the version in macos/sherpa_onnx.podspec
-version: 0.0.2
+version: 1.9.29
 
 homepage: https://github.com/k2-fsa/sherpa-onnx