150e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert/* 250e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert * Copyright (C) 2011 The Android Open Source Project 350e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert * 450e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert * Licensed under the Apache License, Version 2.0 (the "License"); you may not 550e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert * use this file except in compliance with the License. You may obtain a copy of 650e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert * the License at 750e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert * 850e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert * http://www.apache.org/licenses/LICENSE-2.0 950e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert * 1050e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert * Unless required by applicable law or agreed to in writing, software 1150e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 1250e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 1350e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert * License for the specific language governing permissions and limitations under 1450e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert * the License. 1550e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert */ 1650e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringertpackage android.speech.tts; 1750e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert 18754c72ed9e8e83e5a913aa7552fc2e1b1b5277e0Narayan Kamathimport android.speech.tts.TextToSpeechService.UtteranceProgressDispatcher; 1950e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringertimport android.util.Log; 2050e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert 2150e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert/** 2250e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert * Speech synthesis request that plays the audio as it is received. 2350e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert */ 24e22b69a7de0349b99d3107349d1d3aa72d62c841Narayan Kamathclass PlaybackSynthesisCallback extends AbstractSynthesisCallback { 2550e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert 2650e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert private static final String TAG = "PlaybackSynthesisRequest"; 2750e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert private static final boolean DBG = false; 2850e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert 2950e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert private static final int MIN_AUDIO_BUFFER_SIZE = 8192; 3050e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert 3150e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert /** 3250e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert * Audio stream type. Must be one of the STREAM_ contants defined in 3350e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert * {@link android.media.AudioManager}. 3450e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert */ 3550e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert private final int mStreamType; 3650e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert 3750e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert /** 3850e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert * Volume, in the range [0.0f, 1.0f]. The default value is 3950e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert * {@link TextToSpeech.Engine#DEFAULT_VOLUME} (1.0f). 4050e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert */ 4150e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert private final float mVolume; 4250e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert 4350e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert /** 4450e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert * Left/right position of the audio, in the range [-1.0f, 1.0f]. 4550e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert * The default value is {@link TextToSpeech.Engine#DEFAULT_PAN} (0.0f). 4650e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert */ 4750e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert private final float mPan; 4850e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert 498d1fc2403b8277e68d7816b2bbf05464a4c7a58aNarayan Kamath /** 5067ae6bc83cf2b30b0c61b9ebba5fed7a0038549cNarayan Kamath * Guards {@link #mAudioTrackHandler}, {@link #mItem} and {@link #mStopped}. 518d1fc2403b8277e68d7816b2bbf05464a4c7a58aNarayan Kamath */ 5250e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert private final Object mStateLock = new Object(); 538d1fc2403b8277e68d7816b2bbf05464a4c7a58aNarayan Kamath 548d1fc2403b8277e68d7816b2bbf05464a4c7a58aNarayan Kamath // Handler associated with a thread that plays back audio requests. 558d1fc2403b8277e68d7816b2bbf05464a4c7a58aNarayan Kamath private final AudioPlaybackHandler mAudioTrackHandler; 56c3da8818f0598b3ab2cd6f4168349da6d0f72cb1Narayan Kamath // A request "token", which will be non null after start() has been called. 5767ae6bc83cf2b30b0c61b9ebba5fed7a0038549cNarayan Kamath private SynthesisPlaybackQueueItem mItem = null; 588d1fc2403b8277e68d7816b2bbf05464a4c7a58aNarayan Kamath // Whether this request has been stopped. This is useful for keeping 598d1fc2403b8277e68d7816b2bbf05464a4c7a58aNarayan Kamath // track whether stop() has been called before start(). In all other cases, 6067ae6bc83cf2b30b0c61b9ebba5fed7a0038549cNarayan Kamath // a non-null value of mItem will provide the same information. 6150e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert private boolean mStopped = false; 6250e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert 638d1fc2403b8277e68d7816b2bbf05464a4c7a58aNarayan Kamath private volatile boolean mDone = false; 648d1fc2403b8277e68d7816b2bbf05464a4c7a58aNarayan Kamath 65754c72ed9e8e83e5a913aa7552fc2e1b1b5277e0Narayan Kamath private final UtteranceProgressDispatcher mDispatcher; 66492b7f0d51f53164aa6eb974cd7ab6a7889af677Narayan Kamath private final Object mCallerIdentity; 676dabb63307a0b63f9386d61e8444aed29db2081eNarayan Kamath private final EventLogger mLogger; 688d1fc2403b8277e68d7816b2bbf05464a4c7a58aNarayan Kamath 69e22b69a7de0349b99d3107349d1d3aa72d62c841Narayan Kamath PlaybackSynthesisCallback(int streamType, float volume, float pan, 70754c72ed9e8e83e5a913aa7552fc2e1b1b5277e0Narayan Kamath AudioPlaybackHandler audioTrackHandler, UtteranceProgressDispatcher dispatcher, 71492b7f0d51f53164aa6eb974cd7ab6a7889af677Narayan Kamath Object callerIdentity, EventLogger logger) { 7250e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert mStreamType = streamType; 7350e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert mVolume = volume; 7450e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert mPan = pan; 75c90f1c815dc06d5bb563474a340f7bb158fab2e2Narayan Kamath mAudioTrackHandler = audioTrackHandler; 768d1fc2403b8277e68d7816b2bbf05464a4c7a58aNarayan Kamath mDispatcher = dispatcher; 77492b7f0d51f53164aa6eb974cd7ab6a7889af677Narayan Kamath mCallerIdentity = callerIdentity; 786dabb63307a0b63f9386d61e8444aed29db2081eNarayan Kamath mLogger = logger; 7950e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert } 8050e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert 8150e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert @Override 8250e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert void stop() { 8340f71f0be3cefabde9dc066d7707a1e5ebaec820Narayan Kamath stopImpl(false); 8440f71f0be3cefabde9dc066d7707a1e5ebaec820Narayan Kamath } 8540f71f0be3cefabde9dc066d7707a1e5ebaec820Narayan Kamath 8640f71f0be3cefabde9dc066d7707a1e5ebaec820Narayan Kamath void stopImpl(boolean wasError) { 8750e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert if (DBG) Log.d(TAG, "stop()"); 888d1fc2403b8277e68d7816b2bbf05464a4c7a58aNarayan Kamath 896dabb63307a0b63f9386d61e8444aed29db2081eNarayan Kamath // Note that mLogger.mError might be true too at this point. 906dabb63307a0b63f9386d61e8444aed29db2081eNarayan Kamath mLogger.onStopped(); 916dabb63307a0b63f9386d61e8444aed29db2081eNarayan Kamath 9267ae6bc83cf2b30b0c61b9ebba5fed7a0038549cNarayan Kamath SynthesisPlaybackQueueItem item; 9350e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert synchronized (mStateLock) { 946dabb63307a0b63f9386d61e8444aed29db2081eNarayan Kamath if (mStopped) { 956dabb63307a0b63f9386d61e8444aed29db2081eNarayan Kamath Log.w(TAG, "stop() called twice"); 968d1fc2403b8277e68d7816b2bbf05464a4c7a58aNarayan Kamath return; 978d1fc2403b8277e68d7816b2bbf05464a4c7a58aNarayan Kamath } 98be4ad4ac66d6b4b878ed052975f7fb09af92c6d6Narayan Kamath 9967ae6bc83cf2b30b0c61b9ebba5fed7a0038549cNarayan Kamath item = mItem; 10050e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert mStopped = true; 10150e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert } 1022a0518cd1d18dc50ffa063a71133e69de2e866abNarayan Kamath 10367ae6bc83cf2b30b0c61b9ebba5fed7a0038549cNarayan Kamath if (item != null) { 1042a0518cd1d18dc50ffa063a71133e69de2e866abNarayan Kamath // This might result in the synthesis thread being woken up, at which 10567ae6bc83cf2b30b0c61b9ebba5fed7a0038549cNarayan Kamath // point it will write an additional buffer to the item - but we 1062a0518cd1d18dc50ffa063a71133e69de2e866abNarayan Kamath // won't worry about that because the audio playback queue will be cleared 1072a0518cd1d18dc50ffa063a71133e69de2e866abNarayan Kamath // soon after (see SynthHandler#stop(String). 10867ae6bc83cf2b30b0c61b9ebba5fed7a0038549cNarayan Kamath item.stop(wasError); 10940f71f0be3cefabde9dc066d7707a1e5ebaec820Narayan Kamath } else { 11040f71f0be3cefabde9dc066d7707a1e5ebaec820Narayan Kamath // This happens when stop() or error() were called before start() was. 11140f71f0be3cefabde9dc066d7707a1e5ebaec820Narayan Kamath 11240f71f0be3cefabde9dc066d7707a1e5ebaec820Narayan Kamath // In all other cases, mAudioTrackHandler.stop() will 11340f71f0be3cefabde9dc066d7707a1e5ebaec820Narayan Kamath // result in onSynthesisDone being called, and we will 11440f71f0be3cefabde9dc066d7707a1e5ebaec820Narayan Kamath // write data there. 11540f71f0be3cefabde9dc066d7707a1e5ebaec820Narayan Kamath mLogger.onWriteData(); 11640f71f0be3cefabde9dc066d7707a1e5ebaec820Narayan Kamath 11740f71f0be3cefabde9dc066d7707a1e5ebaec820Narayan Kamath if (wasError) { 11840f71f0be3cefabde9dc066d7707a1e5ebaec820Narayan Kamath // We have to dispatch the error ourselves. 11940f71f0be3cefabde9dc066d7707a1e5ebaec820Narayan Kamath mDispatcher.dispatchOnError(); 12040f71f0be3cefabde9dc066d7707a1e5ebaec820Narayan Kamath } 1212a0518cd1d18dc50ffa063a71133e69de2e866abNarayan Kamath } 12250e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert } 12350e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert 12471e0b4807797c602e7fc787d00d27c4f9c92a507Bjorn Bringert @Override 12571e0b4807797c602e7fc787d00d27c4f9c92a507Bjorn Bringert public int getMaxBufferSize() { 12671e0b4807797c602e7fc787d00d27c4f9c92a507Bjorn Bringert // The AudioTrack buffer will be at least MIN_AUDIO_BUFFER_SIZE, so that should always be 12771e0b4807797c602e7fc787d00d27c4f9c92a507Bjorn Bringert // a safe buffer size to pass in. 12871e0b4807797c602e7fc787d00d27c4f9c92a507Bjorn Bringert return MIN_AUDIO_BUFFER_SIZE; 12971e0b4807797c602e7fc787d00d27c4f9c92a507Bjorn Bringert } 13071e0b4807797c602e7fc787d00d27c4f9c92a507Bjorn Bringert 131360eb168d6f9c967543852c7bbab370ef5d8c1bdBjorn Bringert @Override 132360eb168d6f9c967543852c7bbab370ef5d8c1bdBjorn Bringert boolean isDone() { 133360eb168d6f9c967543852c7bbab370ef5d8c1bdBjorn Bringert return mDone; 134360eb168d6f9c967543852c7bbab370ef5d8c1bdBjorn Bringert } 135360eb168d6f9c967543852c7bbab370ef5d8c1bdBjorn Bringert 13650e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert @Override 13750e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert public int start(int sampleRateInHz, int audioFormat, int channelCount) { 13850e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert if (DBG) { 13950e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert Log.d(TAG, "start(" + sampleRateInHz + "," + audioFormat 14050e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert + "," + channelCount + ")"); 14150e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert } 14250e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert 14367ae6bc83cf2b30b0c61b9ebba5fed7a0038549cNarayan Kamath int channelConfig = BlockingAudioTrack.getChannelConfig(channelCount); 1448d1fc2403b8277e68d7816b2bbf05464a4c7a58aNarayan Kamath if (channelConfig == 0) { 1458d1fc2403b8277e68d7816b2bbf05464a4c7a58aNarayan Kamath Log.e(TAG, "Unsupported number of channels :" + channelCount); 1468d1fc2403b8277e68d7816b2bbf05464a4c7a58aNarayan Kamath return TextToSpeech.ERROR; 1478d1fc2403b8277e68d7816b2bbf05464a4c7a58aNarayan Kamath } 1488d1fc2403b8277e68d7816b2bbf05464a4c7a58aNarayan Kamath 14950e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert synchronized (mStateLock) { 15050e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert if (mStopped) { 1518d1fc2403b8277e68d7816b2bbf05464a4c7a58aNarayan Kamath if (DBG) Log.d(TAG, "stop() called before start(), returning."); 15250e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert return TextToSpeech.ERROR; 15350e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert } 15467ae6bc83cf2b30b0c61b9ebba5fed7a0038549cNarayan Kamath SynthesisPlaybackQueueItem item = new SynthesisPlaybackQueueItem( 1558d1fc2403b8277e68d7816b2bbf05464a4c7a58aNarayan Kamath mStreamType, sampleRateInHz, audioFormat, channelCount, mVolume, mPan, 156492b7f0d51f53164aa6eb974cd7ab6a7889af677Narayan Kamath mDispatcher, mCallerIdentity, mLogger); 15767ae6bc83cf2b30b0c61b9ebba5fed7a0038549cNarayan Kamath mAudioTrackHandler.enqueue(item); 15867ae6bc83cf2b30b0c61b9ebba5fed7a0038549cNarayan Kamath mItem = item; 15950e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert } 16050e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert 16150e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert return TextToSpeech.SUCCESS; 16250e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert } 16350e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert 16450e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert 16550e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert @Override 16650e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert public int audioAvailable(byte[] buffer, int offset, int length) { 16750e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert if (DBG) { 16850e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert Log.d(TAG, "audioAvailable(byte[" + buffer.length + "]," 16971e0b4807797c602e7fc787d00d27c4f9c92a507Bjorn Bringert + offset + "," + length + ")"); 17071e0b4807797c602e7fc787d00d27c4f9c92a507Bjorn Bringert } 171c90f1c815dc06d5bb563474a340f7bb158fab2e2Narayan Kamath if (length > getMaxBufferSize() || length <= 0) { 172c90f1c815dc06d5bb563474a340f7bb158fab2e2Narayan Kamath throw new IllegalArgumentException("buffer is too large or of zero length (" + 173c90f1c815dc06d5bb563474a340f7bb158fab2e2Narayan Kamath + length + " bytes)"); 17450e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert } 1758d1fc2403b8277e68d7816b2bbf05464a4c7a58aNarayan Kamath 17667ae6bc83cf2b30b0c61b9ebba5fed7a0038549cNarayan Kamath SynthesisPlaybackQueueItem item = null; 17750e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert synchronized (mStateLock) { 17867ae6bc83cf2b30b0c61b9ebba5fed7a0038549cNarayan Kamath if (mItem == null || mStopped) { 17950e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert return TextToSpeech.ERROR; 18050e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert } 18167ae6bc83cf2b30b0c61b9ebba5fed7a0038549cNarayan Kamath item = mItem; 18250e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert } 1838d1fc2403b8277e68d7816b2bbf05464a4c7a58aNarayan Kamath 1842a0518cd1d18dc50ffa063a71133e69de2e866abNarayan Kamath // Sigh, another copy. 1852a0518cd1d18dc50ffa063a71133e69de2e866abNarayan Kamath final byte[] bufferCopy = new byte[length]; 1862a0518cd1d18dc50ffa063a71133e69de2e866abNarayan Kamath System.arraycopy(buffer, offset, bufferCopy, 0, length); 18767ae6bc83cf2b30b0c61b9ebba5fed7a0038549cNarayan Kamath 18867ae6bc83cf2b30b0c61b9ebba5fed7a0038549cNarayan Kamath // Might block on mItem.this, if there are too many buffers waiting to 1892a0518cd1d18dc50ffa063a71133e69de2e866abNarayan Kamath // be consumed. 19067ae6bc83cf2b30b0c61b9ebba5fed7a0038549cNarayan Kamath try { 19167ae6bc83cf2b30b0c61b9ebba5fed7a0038549cNarayan Kamath item.put(bufferCopy); 19267ae6bc83cf2b30b0c61b9ebba5fed7a0038549cNarayan Kamath } catch (InterruptedException ie) { 19367ae6bc83cf2b30b0c61b9ebba5fed7a0038549cNarayan Kamath return TextToSpeech.ERROR; 19467ae6bc83cf2b30b0c61b9ebba5fed7a0038549cNarayan Kamath } 1952a0518cd1d18dc50ffa063a71133e69de2e866abNarayan Kamath 1966dabb63307a0b63f9386d61e8444aed29db2081eNarayan Kamath mLogger.onEngineDataReceived(); 1976dabb63307a0b63f9386d61e8444aed29db2081eNarayan Kamath 1988d1fc2403b8277e68d7816b2bbf05464a4c7a58aNarayan Kamath return TextToSpeech.SUCCESS; 19950e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert } 20050e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert 20150e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert @Override 20250e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert public int done() { 20350e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert if (DBG) Log.d(TAG, "done()"); 2048d1fc2403b8277e68d7816b2bbf05464a4c7a58aNarayan Kamath 20567ae6bc83cf2b30b0c61b9ebba5fed7a0038549cNarayan Kamath SynthesisPlaybackQueueItem item = null; 20650e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert synchronized (mStateLock) { 2078d1fc2403b8277e68d7816b2bbf05464a4c7a58aNarayan Kamath if (mDone) { 2088d1fc2403b8277e68d7816b2bbf05464a4c7a58aNarayan Kamath Log.w(TAG, "Duplicate call to done()"); 20950e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert return TextToSpeech.ERROR; 21050e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert } 2118d1fc2403b8277e68d7816b2bbf05464a4c7a58aNarayan Kamath 2128d1fc2403b8277e68d7816b2bbf05464a4c7a58aNarayan Kamath mDone = true; 2138d1fc2403b8277e68d7816b2bbf05464a4c7a58aNarayan Kamath 21467ae6bc83cf2b30b0c61b9ebba5fed7a0038549cNarayan Kamath if (mItem == null) { 21550e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert return TextToSpeech.ERROR; 21650e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert } 2178d1fc2403b8277e68d7816b2bbf05464a4c7a58aNarayan Kamath 21867ae6bc83cf2b30b0c61b9ebba5fed7a0038549cNarayan Kamath item = mItem; 21950e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert } 2202a0518cd1d18dc50ffa063a71133e69de2e866abNarayan Kamath 22167ae6bc83cf2b30b0c61b9ebba5fed7a0038549cNarayan Kamath item.done(); 2222a0518cd1d18dc50ffa063a71133e69de2e866abNarayan Kamath mLogger.onEngineComplete(); 2232a0518cd1d18dc50ffa063a71133e69de2e866abNarayan Kamath 22450e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert return TextToSpeech.SUCCESS; 22550e657bb2d005568f5dd8bc1d904d07b0d94018fBjorn Bringert } 22671e0b4807797c602e7fc787d00d27c4f9c92a507Bjorn Bringert 22771e0b4807797c602e7fc787d00d27c4f9c92a507Bjorn Bringert @Override 228360eb168d6f9c967543852c7bbab370ef5d8c1bdBjorn Bringert public void error() { 2298d1fc2403b8277e68d7816b2bbf05464a4c7a58aNarayan Kamath if (DBG) Log.d(TAG, "error() [will call stop]"); 2306dabb63307a0b63f9386d61e8444aed29db2081eNarayan Kamath // Currently, this call will not be logged if error( ) is called 2316dabb63307a0b63f9386d61e8444aed29db2081eNarayan Kamath // before start. 2326dabb63307a0b63f9386d61e8444aed29db2081eNarayan Kamath mLogger.onError(); 23340f71f0be3cefabde9dc066d7707a1e5ebaec820Narayan Kamath stopImpl(true); 234360eb168d6f9c967543852c7bbab370ef5d8c1bdBjorn Bringert } 235360eb168d6f9c967543852c7bbab370ef5d8c1bdBjorn Bringert 23653f6f95308854e7da1fcd15081030d7de2fc5a7fNarayan Kamath} 237