Inverse text normalization API of streaming ASR for various programming languages (#1022)

kotlin-api-examples/run.sh

@@ -203,7 +203,7 @@ function testOfflineAsr() {
   java -Djava.library.path=../build/lib -jar $out_filename
 }
 
-function testInverseTextNormalizationAsr() {
+function testInverseTextNormalizationOfflineAsr() {
   if [ ! -f ./sherpa-onnx-paraformer-zh-2023-03-28/tokens.txt ]; then
     curl -SL -O https://github.com/k2-fsa/sherpa-onnx/releases/download/asr-models/sherpa-onnx-paraformer-zh-2023-03-28.tar.bz2
     tar xvf sherpa-onnx-paraformer-zh-2023-03-28.tar.bz2
@@ -218,9 +218,9 @@ function testInverseTextNormalizationAsr() {
     curl -SL -O https://github.com/k2-fsa/sherpa-onnx/releases/download/asr-models/itn_zh_number.fst
   fi
 
-  out_filename=test_offline_asr.jar
+  out_filename=test_itn_offline_asr.jar
   kotlinc-jvm -include-runtime -d $out_filename \
-    test_itn_asr.kt \
+    test_itn_offline_asr.kt \
     FeatureConfig.kt \
     OfflineRecognizer.kt \
     OfflineStream.kt \
@@ -231,6 +231,34 @@ function testInverseTextNormalizationAsr() {
   java -Djava.library.path=../build/lib -jar $out_filename
 }
 
+function testInverseTextNormalizationOnlineAsr() {
+  if [ ! -f ./sherpa-onnx-streaming-zipformer-bilingual-zh-en-2023-02-20/tokens.txt ]; then
+    curl -SL -O https://github.com/k2-fsa/sherpa-onnx/releases/download/asr-models/sherpa-onnx-streaming-zipformer-bilingual-zh-en-2023-02-20.tar.bz2
+    tar xvf sherpa-onnx-streaming-zipformer-bilingual-zh-en-2023-02-20.tar.bz2
+    rm sherpa-onnx-streaming-zipformer-bilingual-zh-en-2023-02-20.tar.bz2
+  fi
+
+  if [ ! -f ./itn-zh-number.wav ]; then
+    curl -SL -O https://github.com/k2-fsa/sherpa-onnx/releases/download/asr-models/itn-zh-number.wav
+  fi
+
+  if [ ! -f ./itn_zh_number.fst ]; then
+    curl -SL -O https://github.com/k2-fsa/sherpa-onnx/releases/download/asr-models/itn_zh_number.fst
+  fi
+
+  out_filename=test_itn_online_asr.jar
+  kotlinc-jvm -include-runtime -d $out_filename \
+    test_itn_online_asr.kt \
+    FeatureConfig.kt \
+    OnlineRecognizer.kt \
+    OnlineStream.kt \
+    WaveReader.kt \
+    faked-asset-manager.kt
+
+  ls -lh $out_filename
+  java -Djava.library.path=../build/lib -jar $out_filename
+}
+
 function testPunctuation() {
   if [ ! -f ./sherpa-onnx-punct-ct-transformer-zh-en-vocab272727-2024-04-12/model.onnx ]; then
     curl -SL -O https://github.com/k2-fsa/sherpa-onnx/releases/download/punctuation-models/sherpa-onnx-punct-ct-transformer-zh-en-vocab272727-2024-04-12.tar.bz2
@@ -257,4 +285,5 @@ testAudioTagging
 testSpokenLanguageIdentification
 testOfflineAsr
 testPunctuation
-testInverseTextNormalizationAsr
+testInverseTextNormalizationOfflineAsr
+testInverseTextNormalizationOnlineAsr

kotlin-api-examples/test_itn_online_asr.kt

@@ -0,0 +1,41 @@
+package com.k2fsa.sherpa.onnx
+
+fun main() {
+  test()
+}
+
+fun test() {
+  val recognizer = createOnlineRecognizer()
+  val waveFilename = "./itn-zh-number.wav";
+
+  val objArray = WaveReader.readWaveFromFile(
+      filename = waveFilename,
+  )
+  val samples: FloatArray = objArray[0] as FloatArray
+  val sampleRate: Int = objArray[1] as Int
+
+  val stream = recognizer.createStream()
+  stream.acceptWaveform(samples, sampleRate=sampleRate)
+  while (recognizer.isReady(stream)) {
+    recognizer.decode(stream)
+  }
+
+  val result = recognizer.getResult(stream).text
+  println(result)
+
+  stream.release()
+  recognizer.release()
+}
+
+fun createOnlineRecognizer(): OnlineRecognizer {
+  val config = OnlineRecognizerConfig(
+      featConfig = getFeatureConfig(sampleRate = 16000, featureDim = 80),
+      modelConfig = getModelConfig(8)!!,
+  )
+
+  config.ruleFsts = "./itn_zh_number.fst"
+  println(config)
+
+  return OnlineRecognizer(config = config)
+}
+