Enabling multiple apps to use different speech synthesis engines and not (60dd3606) · Commits · e / os / android_frameworks_base

core/java/android/speech/tts/TextToSpeech.java

+71 −49

Original line number	Diff line number	Diff line
		@@ -285,6 +285,10 @@ public class TextToSpeech {
		* {@hide}
		*/
		public static final String KEY_PARAM_VARIANT = "variant";
		/**
		* {@hide}
		*/
		public static final String KEY_PARAM_ENGINE = "engine";
		/**
		* Parameter key to specify the audio stream type to be used when speaking text
		* or playing back a file.
		@@ -327,10 +331,16 @@ public class TextToSpeech {
		* {@hide}
		*/
		protected static final int PARAM_POSITION_UTTERANCE_ID = 10;

		/**
		* {@hide}
		*/
		protected static final int PARAM_POSITION_ENGINE = 12;

		/**
		* {@hide}
		*/
		protected static final int NB_CACHED_PARAMS = 6;
		protected static final int NB_CACHED_PARAMS = 7;
		}

		/**
		@@ -373,6 +383,7 @@ public class TextToSpeech {
		mCachedParams[Engine.PARAM_POSITION_VARIANT] = Engine.KEY_PARAM_VARIANT;
		mCachedParams[Engine.PARAM_POSITION_STREAM] = Engine.KEY_PARAM_STREAM;
		mCachedParams[Engine.PARAM_POSITION_UTTERANCE_ID] = Engine.KEY_PARAM_UTTERANCE_ID;
		mCachedParams[Engine.PARAM_POSITION_ENGINE] = Engine.KEY_PARAM_ENGINE;

		mCachedParams[Engine.PARAM_POSITION_RATE + 1] =
		String.valueOf(Engine.DEFAULT_RATE);
		@@ -381,10 +392,10 @@ public class TextToSpeech {
		mCachedParams[Engine.PARAM_POSITION_LANGUAGE + 1] = defaultLoc.getISO3Language();
		mCachedParams[Engine.PARAM_POSITION_COUNTRY + 1] = defaultLoc.getISO3Country();
		mCachedParams[Engine.PARAM_POSITION_VARIANT + 1] = defaultLoc.getVariant();

		mCachedParams[Engine.PARAM_POSITION_STREAM + 1] =
		String.valueOf(Engine.DEFAULT_STREAM);
		mCachedParams[Engine.PARAM_POSITION_UTTERANCE_ID + 1] = "";
		mCachedParams[Engine.PARAM_POSITION_ENGINE + 1] = Engine.DEFAULT_SYNTH;

		initTts();
		}
		@@ -684,6 +695,10 @@ public class TextToSpeech {
		if (extra != null) {
		mCachedParams[Engine.PARAM_POSITION_UTTERANCE_ID + 1] = extra;
		}
		extra = params.get(Engine.KEY_PARAM_ENGINE);
		if (extra != null) {
		mCachedParams[Engine.PARAM_POSITION_ENGINE + 1] = extra;
		}
		}
		result = mITts.speak(mPackageName, text, queueMode, mCachedParams);
		} catch (RemoteException e) {
		@@ -1166,6 +1181,10 @@ public class TextToSpeech {
		if (extra != null) {
		mCachedParams[Engine.PARAM_POSITION_UTTERANCE_ID + 1] = extra;
		}
		extra = params.get(Engine.KEY_PARAM_ENGINE);
		if (extra != null) {
		mCachedParams[Engine.PARAM_POSITION_ENGINE + 1] = extra;
		}
		}
		if (mITts.synthesizeToFile(mPackageName, text, mCachedParams, filename)){
		result = SUCCESS;
		@@ -1270,6 +1289,9 @@ public class TextToSpeech {
		}
		try {
		result = mITts.setEngineByPackageName(enginePackageName);
		if (result == TextToSpeech.SUCCESS){
		mCachedParams[Engine.PARAM_POSITION_ENGINE + 1] = enginePackageName;
		}
		} catch (RemoteException e) {
		// TTS died; restart it.
		Log.e("TextToSpeech.java - setEngineByPackageName", "RemoteException");

packages/TtsService/src/android/tts/TtsService.java

+12 −0

Original line number	Diff line number	Diff line
		@@ -744,6 +744,7 @@ public class TtsService extends Service implements OnCompletionListener {
		String country = "";
		String variant = "";
		String speechRate = "";
		String engine = "";
		if (speechItem.mParams != null){
		for (int i = 0; i < speechItem.mParams.size() - 1; i = i + 2){
		String param = speechItem.mParams.get(i);
		@@ -765,12 +766,17 @@ public class TtsService extends Service implements OnCompletionListener {
		} catch (NumberFormatException e) {
		streamType = DEFAULT_STREAM_TYPE;
		}
		} else if (param.equals(TextToSpeech.Engine.KEY_PARAM_ENGINE)) {
		engine = speechItem.mParams.get(i + 1);
		}
		}
		}
		}
		// Only do the synthesis if it has not been killed by a subsequent utterance.
		if (mKillList.get(speechItem) == null) {
		if (engine.length() > 0) {
		setEngine(engine);
		}
		if (language.length() > 0){
		setLanguage("", language, country, variant);
		}
		@@ -825,6 +831,7 @@ public class TtsService extends Service implements OnCompletionListener {
		String country = "";
		String variant = "";
		String speechRate = "";
		String engine = "";
		if (speechItem.mParams != null){
		for (int i = 0; i < speechItem.mParams.size() - 1; i = i + 2){
		String param = speechItem.mParams.get(i);
		@@ -839,12 +846,17 @@ public class TtsService extends Service implements OnCompletionListener {
		variant = speechItem.mParams.get(i+1);
		} else if (param.equals(TextToSpeech.Engine.KEY_PARAM_UTTERANCE_ID)){
		utteranceId = speechItem.mParams.get(i+1);
		} else if (param.equals(TextToSpeech.Engine.KEY_PARAM_ENGINE)) {
		engine = speechItem.mParams.get(i + 1);
		}
		}
		}
		}
		// Only do the synthesis if it has not been killed by a subsequent utterance.
		if (mKillList.get(speechItem) == null){
		if (engine.length() > 0) {
		setEngine(engine);
		}
		if (language.length() > 0){
		setLanguage("", language, country, variant);
		}