SpeechRecognition.java revision 7d4cd473f85ac64c3747c96c277f9e506a0d2246
15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright 2013 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)package org.chromium.content.browser; 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)import android.content.Context; 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)import android.content.Intent; 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)import android.os.Bundle; 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)import android.speech.RecognitionListener; 112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)import android.speech.RecognizerIntent; 122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)import android.speech.SpeechRecognizer; 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)import org.chromium.base.CalledByNative; 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)import org.chromium.base.JNINamespace; 165d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)import org.chromium.content.browser.SpeechRecognitionError; 1790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 1846d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles)import java.util.ArrayList; 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)/** 215f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) * This class uses Android's SpeechRecognizer to perform speech recognition for the Web Speech API 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * on Android. Using Android's platform recognizer offers several benefits, like good quality and 23b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) * good local fallback when no data connection is available. 2446d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) */ 2546d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles)@JNINamespace("content") 264e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles)class SpeechRecognition { 27a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We track the recognition state to remember what events we need to send when recognition is 29868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // being aborted. Once Android's recognizer is cancelled, its listener won't yield any more 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // events, but we still need to call OnSoundEnd and OnAudioEnd if corresponding On*Start were 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // called before. 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private static final int STATE_IDLE = 0; 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private static final int STATE_AWAITING_SPEECH = 1; 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private static final int STATE_CAPTURING_SPEECH = 2; 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private int mState; 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private final Context mContext; 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private final Intent mIntent; 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private final RecognitionListener mListener; 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private SpeechRecognizer mRecognizer; 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Native pointer to C++ SpeechRecognizerImplAndroid. 43c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) private int mNativeSpeechRecognizerImplAndroid; 442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Remember if we are using continuous recognition in order to know when to terminate. 46a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) private boolean mContinuous; 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Internal class to handle events from Android's SpeechRecognizer and route them to native. 49eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch class Listener implements RecognitionListener { 505f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) @Override 522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) public void onBeginningOfSpeech() { 53868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) mState = STATE_CAPTURING_SPEECH; 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) nativeOnSoundStart(mNativeSpeechRecognizerImplAndroid); 553551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) } 56c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) @Override 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public void onBufferReceived(byte[] buffer) { } 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) @Override 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public void onEndOfSpeech() { 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) nativeOnSoundEnd(mNativeSpeechRecognizerImplAndroid); 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Since Android doesn't have a dedicated event for when audio capture is finished, we 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // fire it after speech has ended. 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) nativeOnAudioEnd(mNativeSpeechRecognizerImplAndroid); 667dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch mState = STATE_IDLE; 671e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) } 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) @Override 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public void onError(int error) { 71a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) int code = SpeechRecognitionError.NONE; 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 73c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // Translate Android SpeechRecognizer errors to Web Speech API errors. 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch(error) { 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case SpeechRecognizer.ERROR_AUDIO: 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) code = SpeechRecognitionError.AUDIO; 77bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch break; 78868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) case SpeechRecognizer.ERROR_CLIENT: 79c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) code = SpeechRecognitionError.ABORTED; 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case SpeechRecognizer.ERROR_RECOGNIZER_BUSY: 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case SpeechRecognizer.ERROR_INSUFFICIENT_PERMISSIONS: 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) code = SpeechRecognitionError.NOT_ALLOWED; 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case SpeechRecognizer.ERROR_NETWORK_TIMEOUT: 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case SpeechRecognizer.ERROR_NETWORK: 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case SpeechRecognizer.ERROR_SERVER: 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) code = SpeechRecognitionError.NETWORK; 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case SpeechRecognizer.ERROR_NO_MATCH: 911320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci code = SpeechRecognitionError.NO_MATCH; 921320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci break; 931320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci case SpeechRecognizer.ERROR_SPEECH_TIMEOUT: 941320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci code = SpeechRecognitionError.NO_SPEECH; 951320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci break; 961320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci default: 971320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci assert false; 981320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci return; 991320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci } 1001320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1011320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci terminate(code); 1021320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci } 1031320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1041320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci @Override 1051320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci public void onEvent(int event, Bundle bundle) { } 1061320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1071320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci @Override 1081320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci public void onPartialResults(Bundle bundle) { 1091320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci handleResults(bundle, true); 1101320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci } 1111320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1121320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci @Override 1131320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci public void onReadyForSpeech(Bundle bundle) { 1141320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci mState = STATE_AWAITING_SPEECH; 1151320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci nativeOnAudioStart(mNativeSpeechRecognizerImplAndroid); 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1181320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci @Override 1191320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci public void onResults(Bundle bundle) { 1201320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci handleResults(bundle, false); 1211320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1221320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci // If the recognition was not continuous, or if it was stopped, we tear it down after 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // receiving the final results. 1241320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci if (!mContinuous) 1251320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci terminate(SpeechRecognitionError.NONE); 1261320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci } 1271320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1281320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci @Override 1291320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci public void onRmsChanged(float rms) { } 1301320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1311320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci private void handleResults(Bundle bundle, boolean provisional) { 1321320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci ArrayList<String> list = bundle.getStringArrayList( 1331320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci SpeechRecognizer.RESULTS_RECOGNITION); 1341320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci String[] results = list.toArray(new String[list.size()]); 1351320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1361320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci float[] scores = bundle.getFloatArray(SpeechRecognizer.CONFIDENCE_SCORES); 1371320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1381320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci nativeOnRecognitionResults(mNativeSpeechRecognizerImplAndroid, 1391320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci results, 1402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scores, 1411320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci provisional); 1421320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci } 1431320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci } 1441320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1451320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci private SpeechRecognition(final Context context, int nativeSpeechRecognizerImplAndroid) { 1465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mContext = context; 1471320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci mContinuous = false; 1481320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci mNativeSpeechRecognizerImplAndroid = nativeSpeechRecognizerImplAndroid; 1491320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci mListener = new Listener(); 1501320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci mIntent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH); 1511320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci mRecognizer = SpeechRecognizer.createSpeechRecognizer(mContext); 1521320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci mRecognizer.setRecognitionListener(mListener); 1531320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci } 1541320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1551320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci // This function destroys everything when recognition is done, taking care to properly tear 1561320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci // down by calling On{Sound,Audio}End if corresponding On{Audio,Sound}Start were called. 1571320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci private void terminate(int error) { 1581320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1591320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci if (mState != STATE_IDLE) { 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (mState == STATE_CAPTURING_SPEECH) { 1611320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci nativeOnSoundEnd(mNativeSpeechRecognizerImplAndroid); 1625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1631320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci nativeOnAudioEnd(mNativeSpeechRecognizerImplAndroid); 1641320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci mState = STATE_IDLE; 1651320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci } 1661320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1671320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci if (error != SpeechRecognitionError.NONE) 1681320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci nativeOnRecognitionError(mNativeSpeechRecognizerImplAndroid, error); 1691320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1701320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci mRecognizer.destroy(); 1711320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci mRecognizer = null; 1721320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci nativeOnRecognitionEnd(mNativeSpeechRecognizerImplAndroid); 1731320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci mNativeSpeechRecognizerImplAndroid = 0; 1741320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci } 1751320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1761320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci @CalledByNative 1771320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci private static SpeechRecognition createSpeechRecognition( 1781320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci Context context, int nativeSpeechRecognizerImplAndroid) { 1791320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci return new SpeechRecognition(context, nativeSpeechRecognizerImplAndroid); 1801320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci } 1811320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1821320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci @CalledByNative 1831320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci private void startRecognition(boolean continuous, boolean interim_results) { 1841320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci if (mRecognizer == null) 1851320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci return; 1861320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1871320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci mContinuous = continuous; 1881320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci mIntent.putExtra("android.speech.extra.DICTATION_MODE", continuous); 1891320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci mIntent.putExtra(RecognizerIntent.EXTRA_PARTIAL_RESULTS, interim_results); 1901320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci mRecognizer.startListening(mIntent); 1911320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci } 1921320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) @CalledByNative 1941320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci private void abortRecognition() { 1951320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci if (mRecognizer == null) 1965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 1971320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 1981320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci mRecognizer.cancel(); 1991320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci terminate(SpeechRecognitionError.ABORTED); 2001320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci } 2011320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 2021320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci @CalledByNative 2031320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci private void stopRecognition() { 2041320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci if (mRecognizer == null) 2051320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci return; 2061320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 2071320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci mContinuous = false; 2081320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci mRecognizer.stopListening(); 2095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2101320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 2111320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci // Native JNI calls to content/browser/speech/speech_recognizer_impl_android.cc 2121320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci private native void nativeOnAudioStart(int nativeSpeechRecognizerImplAndroid); 2131320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci private native void nativeOnSoundStart(int nativeSpeechRecognizerImplAndroid); 2141320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci private native void nativeOnSoundEnd(int nativeSpeechRecognizerImplAndroid); 2151320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci private native void nativeOnAudioEnd(int nativeSpeechRecognizerImplAndroid); 2165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private native void nativeOnRecognitionResults(int nativeSpeechRecognizerImplAndroid, 2171320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci String[] results, 2181320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci float[] scores, 2191320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci boolean provisional); 2201320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci private native void nativeOnRecognitionError(int nativeSpeechRecognizerImplAndroid, int error); 2211320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci private native void nativeOnRecognitionEnd(int nativeSpeechRecognizerImplAndroid); 2221320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci} 2231320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci