735 lines
26 KiB
Java
Executable File
735 lines
26 KiB
Java
Executable File
/*
|
|
* Copyright (C) 2009 Google Inc.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
|
|
* use this file except in compliance with the License. You may obtain a copy of
|
|
* the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
* License for the specific language governing permissions and limitations under
|
|
* the License.
|
|
*/
|
|
package android.tts;
|
|
|
|
import android.tts.ITts.Stub;
|
|
|
|
import android.app.Service;
|
|
import android.content.Context;
|
|
import android.content.Intent;
|
|
import android.content.SharedPreferences;
|
|
import android.content.pm.PackageManager;
|
|
import android.content.pm.PackageManager.NameNotFoundException;
|
|
import android.media.MediaPlayer;
|
|
import android.media.MediaPlayer.OnCompletionListener;
|
|
import android.net.Uri;
|
|
import android.os.IBinder;
|
|
import android.os.RemoteCallbackList;
|
|
import android.os.RemoteException;
|
|
import android.preference.PreferenceManager;
|
|
import android.util.Log;
|
|
import java.util.ArrayList;
|
|
import java.util.Arrays;
|
|
import java.util.HashMap;
|
|
import java.util.concurrent.locks.ReentrantLock;
|
|
|
|
/**
|
|
* @hide Synthesizes speech from text. This is implemented as a service so that
|
|
* other applications can call the TTS without needing to bundle the TTS
|
|
* in the build.
|
|
*
|
|
*/
|
|
public class TtsService extends Service implements OnCompletionListener {
|
|
|
|
private static class SpeechItem {
|
|
public static final int SPEECH = 0;
|
|
public static final int EARCON = 1;
|
|
public static final int SILENCE = 2;
|
|
public String mText = null;
|
|
public ArrayList<String> mParams = null;
|
|
public int mType = SPEECH;
|
|
public long mDuration = 0;
|
|
|
|
public SpeechItem(String text, ArrayList<String> params, int itemType) {
|
|
mText = text;
|
|
mParams = params;
|
|
mType = itemType;
|
|
}
|
|
|
|
public SpeechItem(long silenceTime) {
|
|
mDuration = silenceTime;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Contains the information needed to access a sound resource; the name of
|
|
* the package that contains the resource and the resID of the resource
|
|
* within that package.
|
|
*/
|
|
private static class SoundResource {
|
|
public String mSourcePackageName = null;
|
|
public int mResId = -1;
|
|
public String mFilename = null;
|
|
|
|
public SoundResource(String packageName, int id) {
|
|
mSourcePackageName = packageName;
|
|
mResId = id;
|
|
mFilename = null;
|
|
}
|
|
|
|
public SoundResource(String file) {
|
|
mSourcePackageName = null;
|
|
mResId = -1;
|
|
mFilename = file;
|
|
}
|
|
}
|
|
|
|
private static final String ACTION = "android.intent.action.USE_TTS";
|
|
private static final String CATEGORY = "android.intent.category.TTS";
|
|
private static final String PKGNAME = "android.tts";
|
|
|
|
final RemoteCallbackList<ITtsCallback> mCallbacks = new RemoteCallbackList<ITtsCallback>();
|
|
|
|
private Boolean mIsSpeaking;
|
|
private ArrayList<SpeechItem> mSpeechQueue;
|
|
private HashMap<String, SoundResource> mEarcons;
|
|
private HashMap<String, SoundResource> mUtterances;
|
|
private MediaPlayer mPlayer;
|
|
private TtsService mSelf;
|
|
|
|
private SharedPreferences prefs;
|
|
|
|
private final ReentrantLock speechQueueLock = new ReentrantLock();
|
|
private final ReentrantLock synthesizerLock = new ReentrantLock();
|
|
|
|
private SynthProxy nativeSynth;
|
|
|
|
@Override
|
|
public void onCreate() {
|
|
super.onCreate();
|
|
Log.i("TTS", "TTS starting");
|
|
|
|
// TODO: Make this work when the settings are done in the main Settings
|
|
// app.
|
|
prefs = PreferenceManager.getDefaultSharedPreferences(this);
|
|
|
|
PackageManager pm = this.getPackageManager();
|
|
String soLibPath = "";
|
|
try {
|
|
soLibPath = pm.getApplicationInfo("com.svox.pico", 0).dataDir;
|
|
} catch (NameNotFoundException e) {
|
|
// This exception cannot actually happen as com.svox.pico is
|
|
// included with the system image.
|
|
e.printStackTrace();
|
|
}
|
|
soLibPath = soLibPath + "/lib/libttspico.so";
|
|
nativeSynth = new SynthProxy(soLibPath);
|
|
|
|
mSelf = this;
|
|
mIsSpeaking = false;
|
|
|
|
mEarcons = new HashMap<String, SoundResource>();
|
|
mUtterances = new HashMap<String, SoundResource>();
|
|
|
|
mSpeechQueue = new ArrayList<SpeechItem>();
|
|
mPlayer = null;
|
|
|
|
setLanguage(prefs.getString("lang_pref", "en-rUS"));
|
|
setSpeechRate(Integer.parseInt(prefs.getString("rate_pref", "140")));
|
|
}
|
|
|
|
@Override
|
|
public void onDestroy() {
|
|
super.onDestroy();
|
|
// Don't hog the media player
|
|
cleanUpPlayer();
|
|
|
|
nativeSynth.shutdown();
|
|
|
|
// Unregister all callbacks.
|
|
mCallbacks.kill();
|
|
}
|
|
|
|
private void setSpeechRate(int rate) {
|
|
if (prefs.getBoolean("override_pref", false)) {
|
|
// This is set to the default here so that the preview in the prefs
|
|
// activity will show the change without a restart, even if apps are
|
|
// not allowed to change the defaults.
|
|
rate = Integer.parseInt(prefs.getString("rate_pref", "140"));
|
|
}
|
|
nativeSynth.setSpeechRate(rate);
|
|
}
|
|
|
|
private void setLanguage(String lang) {
|
|
if (prefs.getBoolean("override_pref", false)) {
|
|
// This is set to the default here so that the preview in the prefs
|
|
// activity will show the change without a restart, even if apps are
|
|
// not
|
|
// allowed to change the defaults.
|
|
lang = prefs.getString("lang_pref", "en-rUS");
|
|
}
|
|
nativeSynth.setLanguage(lang);
|
|
}
|
|
|
|
/**
|
|
* Adds a sound resource to the TTS.
|
|
*
|
|
* @param text
|
|
* The text that should be associated with the sound resource
|
|
* @param packageName
|
|
* The name of the package which has the sound resource
|
|
* @param resId
|
|
* The resource ID of the sound within its package
|
|
*/
|
|
private void addSpeech(String text, String packageName, int resId) {
|
|
mUtterances.put(text, new SoundResource(packageName, resId));
|
|
}
|
|
|
|
/**
|
|
* Adds a sound resource to the TTS.
|
|
*
|
|
* @param text
|
|
* The text that should be associated with the sound resource
|
|
* @param filename
|
|
* The filename of the sound resource. This must be a complete
|
|
* path like: (/sdcard/mysounds/mysoundbite.mp3).
|
|
*/
|
|
private void addSpeech(String text, String filename) {
|
|
mUtterances.put(text, new SoundResource(filename));
|
|
}
|
|
|
|
/**
|
|
* Adds a sound resource to the TTS as an earcon.
|
|
*
|
|
* @param earcon
|
|
* The text that should be associated with the sound resource
|
|
* @param packageName
|
|
* The name of the package which has the sound resource
|
|
* @param resId
|
|
* The resource ID of the sound within its package
|
|
*/
|
|
private void addEarcon(String earcon, String packageName, int resId) {
|
|
mEarcons.put(earcon, new SoundResource(packageName, resId));
|
|
}
|
|
|
|
/**
|
|
* Adds a sound resource to the TTS as an earcon.
|
|
*
|
|
* @param earcon
|
|
* The text that should be associated with the sound resource
|
|
* @param filename
|
|
* The filename of the sound resource. This must be a complete
|
|
* path like: (/sdcard/mysounds/mysoundbite.mp3).
|
|
*/
|
|
private void addEarcon(String earcon, String filename) {
|
|
mEarcons.put(earcon, new SoundResource(filename));
|
|
}
|
|
|
|
/**
|
|
* Speaks the given text using the specified queueing mode and parameters.
|
|
*
|
|
* @param text
|
|
* The text that should be spoken
|
|
* @param queueMode
|
|
* 0 for no queue (interrupts all previous utterances), 1 for
|
|
* queued
|
|
* @param params
|
|
* An ArrayList of parameters. This is not implemented for all
|
|
* engines.
|
|
*/
|
|
private void speak(String text, int queueMode, ArrayList<String> params) {
|
|
if (queueMode == 0) {
|
|
stop();
|
|
}
|
|
mSpeechQueue.add(new SpeechItem(text, params, SpeechItem.SPEECH));
|
|
if (!mIsSpeaking) {
|
|
processSpeechQueue();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Plays the earcon using the specified queueing mode and parameters.
|
|
*
|
|
* @param earcon
|
|
* The earcon that should be played
|
|
* @param queueMode
|
|
* 0 for no queue (interrupts all previous utterances), 1 for
|
|
* queued
|
|
* @param params
|
|
* An ArrayList of parameters. This is not implemented for all
|
|
* engines.
|
|
*/
|
|
private void playEarcon(String earcon, int queueMode,
|
|
ArrayList<String> params) {
|
|
if (queueMode == 0) {
|
|
stop();
|
|
}
|
|
mSpeechQueue.add(new SpeechItem(earcon, params, SpeechItem.EARCON));
|
|
if (!mIsSpeaking) {
|
|
processSpeechQueue();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Stops all speech output and removes any utterances still in the queue.
|
|
*/
|
|
private void stop() {
|
|
Log.i("TTS", "Stopping");
|
|
mSpeechQueue.clear();
|
|
|
|
nativeSynth.stop();
|
|
mIsSpeaking = false;
|
|
if (mPlayer != null) {
|
|
try {
|
|
mPlayer.stop();
|
|
} catch (IllegalStateException e) {
|
|
// Do nothing, the player is already stopped.
|
|
}
|
|
}
|
|
Log.i("TTS", "Stopped");
|
|
}
|
|
|
|
public void onCompletion(MediaPlayer arg0) {
|
|
processSpeechQueue();
|
|
}
|
|
|
|
private void playSilence(long duration, int queueMode,
|
|
ArrayList<String> params) {
|
|
if (queueMode == 0) {
|
|
stop();
|
|
}
|
|
mSpeechQueue.add(new SpeechItem(duration));
|
|
if (!mIsSpeaking) {
|
|
processSpeechQueue();
|
|
}
|
|
}
|
|
|
|
private void silence(final long duration) {
|
|
class SilenceThread implements Runnable {
|
|
public void run() {
|
|
try {
|
|
Thread.sleep(duration);
|
|
} catch (InterruptedException e) {
|
|
e.printStackTrace();
|
|
} finally {
|
|
processSpeechQueue();
|
|
}
|
|
}
|
|
}
|
|
Thread slnc = (new Thread(new SilenceThread()));
|
|
slnc.setPriority(Thread.MIN_PRIORITY);
|
|
slnc.start();
|
|
}
|
|
|
|
private void speakInternalOnly(final String text,
|
|
final ArrayList<String> params) {
|
|
class SynthThread implements Runnable {
|
|
public void run() {
|
|
boolean synthAvailable = false;
|
|
try {
|
|
synthAvailable = synthesizerLock.tryLock();
|
|
if (!synthAvailable) {
|
|
Thread.sleep(100);
|
|
Thread synth = (new Thread(new SynthThread()));
|
|
synth.setPriority(Thread.MIN_PRIORITY);
|
|
synth.start();
|
|
return;
|
|
}
|
|
nativeSynth.speak(text);
|
|
} catch (InterruptedException e) {
|
|
e.printStackTrace();
|
|
} finally {
|
|
// This check is needed because finally will always run;
|
|
// even if the
|
|
// method returns somewhere in the try block.
|
|
if (synthAvailable) {
|
|
synthesizerLock.unlock();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
Thread synth = (new Thread(new SynthThread()));
|
|
synth.setPriority(Thread.MIN_PRIORITY);
|
|
synth.start();
|
|
}
|
|
|
|
private SoundResource getSoundResource(SpeechItem speechItem) {
|
|
SoundResource sr = null;
|
|
String text = speechItem.mText;
|
|
if (speechItem.mType == SpeechItem.SILENCE) {
|
|
// Do nothing if this is just silence
|
|
} else if (speechItem.mType == SpeechItem.EARCON) {
|
|
sr = mEarcons.get(text);
|
|
} else {
|
|
sr = mUtterances.get(text);
|
|
}
|
|
return sr;
|
|
}
|
|
|
|
private void dispatchSpeechCompletedCallbacks(String mark) {
|
|
Log.i("TTS callback", "dispatch started");
|
|
// Broadcast to all clients the new value.
|
|
final int N = mCallbacks.beginBroadcast();
|
|
for (int i = 0; i < N; i++) {
|
|
try {
|
|
mCallbacks.getBroadcastItem(i).markReached(mark);
|
|
} catch (RemoteException e) {
|
|
// The RemoteCallbackList will take care of removing
|
|
// the dead object for us.
|
|
}
|
|
}
|
|
mCallbacks.finishBroadcast();
|
|
Log.i("TTS callback", "dispatch completed to " + N);
|
|
}
|
|
|
|
private void processSpeechQueue() {
|
|
boolean speechQueueAvailable = false;
|
|
try {
|
|
speechQueueAvailable = speechQueueLock.tryLock();
|
|
if (!speechQueueAvailable) {
|
|
return;
|
|
}
|
|
if (mSpeechQueue.size() < 1) {
|
|
mIsSpeaking = false;
|
|
// Dispatch a completion here as this is the
|
|
// only place where speech completes normally.
|
|
// Nothing left to say in the queue is a special case
|
|
// that is always a "mark" - associated text is null.
|
|
dispatchSpeechCompletedCallbacks("");
|
|
return;
|
|
}
|
|
|
|
SpeechItem currentSpeechItem = mSpeechQueue.get(0);
|
|
mIsSpeaking = true;
|
|
SoundResource sr = getSoundResource(currentSpeechItem);
|
|
// Synth speech as needed - synthesizer should call
|
|
// processSpeechQueue to continue running the queue
|
|
Log.i("TTS processing: ", currentSpeechItem.mText);
|
|
if (sr == null) {
|
|
if (currentSpeechItem.mType == SpeechItem.SPEECH) {
|
|
// TODO: Split text up into smaller chunks before accepting
|
|
// them for processing.
|
|
speakInternalOnly(currentSpeechItem.mText,
|
|
currentSpeechItem.mParams);
|
|
} else {
|
|
// This is either silence or an earcon that was missing
|
|
silence(currentSpeechItem.mDuration);
|
|
}
|
|
} else {
|
|
cleanUpPlayer();
|
|
if (sr.mSourcePackageName == PKGNAME) {
|
|
// Utterance is part of the TTS library
|
|
mPlayer = MediaPlayer.create(this, sr.mResId);
|
|
} else if (sr.mSourcePackageName != null) {
|
|
// Utterance is part of the app calling the library
|
|
Context ctx;
|
|
try {
|
|
ctx = this.createPackageContext(sr.mSourcePackageName,
|
|
0);
|
|
} catch (NameNotFoundException e) {
|
|
e.printStackTrace();
|
|
mSpeechQueue.remove(0); // Remove it from the queue and
|
|
// move on
|
|
mIsSpeaking = false;
|
|
return;
|
|
}
|
|
mPlayer = MediaPlayer.create(ctx, sr.mResId);
|
|
} else {
|
|
// Utterance is coming from a file
|
|
mPlayer = MediaPlayer.create(this, Uri.parse(sr.mFilename));
|
|
}
|
|
|
|
// Check if Media Server is dead; if it is, clear the queue and
|
|
// give up for now - hopefully, it will recover itself.
|
|
if (mPlayer == null) {
|
|
mSpeechQueue.clear();
|
|
mIsSpeaking = false;
|
|
return;
|
|
}
|
|
mPlayer.setOnCompletionListener(this);
|
|
try {
|
|
mPlayer.start();
|
|
} catch (IllegalStateException e) {
|
|
mSpeechQueue.clear();
|
|
mIsSpeaking = false;
|
|
cleanUpPlayer();
|
|
return;
|
|
}
|
|
}
|
|
if (mSpeechQueue.size() > 0) {
|
|
mSpeechQueue.remove(0);
|
|
}
|
|
} finally {
|
|
// This check is needed because finally will always run; even if the
|
|
// method returns somewhere in the try block.
|
|
if (speechQueueAvailable) {
|
|
speechQueueLock.unlock();
|
|
}
|
|
}
|
|
}
|
|
|
|
private void cleanUpPlayer() {
|
|
if (mPlayer != null) {
|
|
mPlayer.release();
|
|
mPlayer = null;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Synthesizes the given text using the specified queuing mode and
|
|
* parameters.
|
|
*
|
|
* @param text
|
|
* The String of text that should be synthesized
|
|
* @param params
|
|
* An ArrayList of parameters. The first element of this array
|
|
* controls the type of voice to use.
|
|
* @param filename
|
|
* The string that gives the full output filename; it should be
|
|
* something like "/sdcard/myappsounds/mysound.wav".
|
|
* @return A boolean that indicates if the synthesis succeeded
|
|
*/
|
|
private boolean synthesizeToFile(String text, ArrayList<String> params,
|
|
String filename, boolean calledFromApi) {
|
|
// Only stop everything if this is a call made by an outside app trying
|
|
// to
|
|
// use the API. Do NOT stop if this is a call from within the service as
|
|
// clearing the speech queue here would be a mistake.
|
|
if (calledFromApi) {
|
|
stop();
|
|
}
|
|
Log.i("TTS", "Synthesizing to " + filename);
|
|
boolean synthAvailable = false;
|
|
try {
|
|
synthAvailable = synthesizerLock.tryLock();
|
|
if (!synthAvailable) {
|
|
return false;
|
|
}
|
|
// Don't allow a filename that is too long
|
|
// TODO use platform constant
|
|
if (filename.length() > 250) {
|
|
return false;
|
|
}
|
|
nativeSynth.synthesizeToFile(text, filename);
|
|
} finally {
|
|
// This check is needed because finally will always run; even if the
|
|
// method returns somewhere in the try block.
|
|
if (synthAvailable) {
|
|
synthesizerLock.unlock();
|
|
}
|
|
}
|
|
Log.i("TTS", "Completed synthesis for " + filename);
|
|
return true;
|
|
}
|
|
|
|
@Override
|
|
public IBinder onBind(Intent intent) {
|
|
if (ACTION.equals(intent.getAction())) {
|
|
for (String category : intent.getCategories()) {
|
|
if (category.equals(CATEGORY)) {
|
|
return mBinder;
|
|
}
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
private final ITts.Stub mBinder = new Stub() {
|
|
|
|
public void registerCallback(ITtsCallback cb) {
|
|
if (cb != null)
|
|
mCallbacks.register(cb);
|
|
}
|
|
|
|
public void unregisterCallback(ITtsCallback cb) {
|
|
if (cb != null)
|
|
mCallbacks.unregister(cb);
|
|
}
|
|
|
|
/**
|
|
* Speaks the given text using the specified queueing mode and
|
|
* parameters.
|
|
*
|
|
* @param text
|
|
* The text that should be spoken
|
|
* @param queueMode
|
|
* 0 for no queue (interrupts all previous utterances), 1 for
|
|
* queued
|
|
* @param params
|
|
* An ArrayList of parameters. The first element of this
|
|
* array controls the type of voice to use.
|
|
*/
|
|
public void speak(String text, int queueMode, String[] params) {
|
|
ArrayList<String> speakingParams = new ArrayList<String>();
|
|
if (params != null) {
|
|
speakingParams = new ArrayList<String>(Arrays.asList(params));
|
|
}
|
|
mSelf.speak(text, queueMode, speakingParams);
|
|
}
|
|
|
|
/**
|
|
* Plays the earcon using the specified queueing mode and parameters.
|
|
*
|
|
* @param earcon
|
|
* The earcon that should be played
|
|
* @param queueMode
|
|
* 0 for no queue (interrupts all previous utterances), 1 for
|
|
* queued
|
|
* @param params
|
|
* An ArrayList of parameters.
|
|
*/
|
|
public void playEarcon(String earcon, int queueMode, String[] params) {
|
|
ArrayList<String> speakingParams = new ArrayList<String>();
|
|
if (params != null) {
|
|
speakingParams = new ArrayList<String>(Arrays.asList(params));
|
|
}
|
|
mSelf.playEarcon(earcon, queueMode, speakingParams);
|
|
}
|
|
|
|
/**
|
|
* Plays the silence using the specified queueing mode and parameters.
|
|
*
|
|
* @param duration
|
|
* The duration of the silence that should be played
|
|
* @param queueMode
|
|
* 0 for no queue (interrupts all previous utterances), 1 for
|
|
* queued
|
|
* @param params
|
|
* An ArrayList of parameters.
|
|
*/
|
|
public void playSilence(long duration, int queueMode, String[] params) {
|
|
ArrayList<String> speakingParams = new ArrayList<String>();
|
|
if (params != null) {
|
|
speakingParams = new ArrayList<String>(Arrays.asList(params));
|
|
}
|
|
mSelf.playSilence(duration, queueMode, speakingParams);
|
|
}
|
|
|
|
/**
|
|
* Stops all speech output and removes any utterances still in the
|
|
* queue.
|
|
*/
|
|
public void stop() {
|
|
mSelf.stop();
|
|
}
|
|
|
|
/**
|
|
* Returns whether or not the TTS is speaking.
|
|
*
|
|
* @return Boolean to indicate whether or not the TTS is speaking
|
|
*/
|
|
public boolean isSpeaking() {
|
|
return (mSelf.mIsSpeaking && (mSpeechQueue.size() < 1));
|
|
}
|
|
|
|
/**
|
|
* Adds a sound resource to the TTS.
|
|
*
|
|
* @param text
|
|
* The text that should be associated with the sound resource
|
|
* @param packageName
|
|
* The name of the package which has the sound resource
|
|
* @param resId
|
|
* The resource ID of the sound within its package
|
|
*/
|
|
public void addSpeech(String text, String packageName, int resId) {
|
|
mSelf.addSpeech(text, packageName, resId);
|
|
}
|
|
|
|
/**
|
|
* Adds a sound resource to the TTS.
|
|
*
|
|
* @param text
|
|
* The text that should be associated with the sound resource
|
|
* @param filename
|
|
* The filename of the sound resource. This must be a
|
|
* complete path like: (/sdcard/mysounds/mysoundbite.mp3).
|
|
*/
|
|
public void addSpeechFile(String text, String filename) {
|
|
mSelf.addSpeech(text, filename);
|
|
}
|
|
|
|
/**
|
|
* Adds a sound resource to the TTS as an earcon.
|
|
*
|
|
* @param earcon
|
|
* The text that should be associated with the sound resource
|
|
* @param packageName
|
|
* The name of the package which has the sound resource
|
|
* @param resId
|
|
* The resource ID of the sound within its package
|
|
*/
|
|
public void addEarcon(String earcon, String packageName, int resId) {
|
|
mSelf.addEarcon(earcon, packageName, resId);
|
|
}
|
|
|
|
/**
|
|
* Adds a sound resource to the TTS as an earcon.
|
|
*
|
|
* @param earcon
|
|
* The text that should be associated with the sound resource
|
|
* @param filename
|
|
* The filename of the sound resource. This must be a
|
|
* complete path like: (/sdcard/mysounds/mysoundbite.mp3).
|
|
*/
|
|
public void addEarconFile(String earcon, String filename) {
|
|
mSelf.addEarcon(earcon, filename);
|
|
}
|
|
|
|
/**
|
|
* Sets the speech rate for the TTS. Note that this will only have an
|
|
* effect on synthesized speech; it will not affect pre-recorded speech.
|
|
*
|
|
* @param speechRate
|
|
* The speech rate that should be used
|
|
*/
|
|
public void setSpeechRate(int speechRate) {
|
|
mSelf.setSpeechRate(speechRate);
|
|
}
|
|
|
|
/**
|
|
* Sets the speech rate for the TTS. Note that this will only have an
|
|
* effect on synthesized speech; it will not affect pre-recorded speech.
|
|
*
|
|
* @param language
|
|
* Language values are based on the Android conventions for
|
|
* localization as described in the Android platform
|
|
* documentation on internationalization. This implies that
|
|
* language data is specified in the format xx-rYY, where xx
|
|
* is a two letter ISO 639-1 language code in lowercase and
|
|
* rYY is a two letter ISO 3166-1-alpha-2 language code in
|
|
* uppercase preceded by a lowercase "r".
|
|
*/
|
|
public void setLanguage(String language) {
|
|
mSelf.setLanguage(language);
|
|
}
|
|
|
|
/**
|
|
* Speaks the given text using the specified queueing mode and
|
|
* parameters.
|
|
*
|
|
* @param text
|
|
* The String of text that should be synthesized
|
|
* @param params
|
|
* An ArrayList of parameters. The first element of this
|
|
* array controls the type of voice to use.
|
|
* @param filename
|
|
* The string that gives the full output filename; it should
|
|
* be something like "/sdcard/myappsounds/mysound.wav".
|
|
* @return A boolean that indicates if the synthesis succeeded
|
|
*/
|
|
public boolean synthesizeToFile(String text, String[] params,
|
|
String filename) {
|
|
ArrayList<String> speakingParams = new ArrayList<String>();
|
|
if (params != null) {
|
|
speakingParams = new ArrayList<String>(Arrays.asList(params));
|
|
}
|
|
return mSelf.synthesizeToFile(text, speakingParams, filename, true);
|
|
}
|
|
};
|
|
|
|
}
|