Adding support for pitch changes of the synthesized text in Text-To-Speech. (2ea53495) · Commits · e / os / android_frameworks_base

core/java/android/speech/tts/ITts.aidl

+2 −0

Original line number	Diff line number	Diff line
		@@ -29,6 +29,8 @@ import android.content.Intent;
		interface ITts {
		void setSpeechRate(in int speechRate);

		void setPitch(in int pitch);

		void speak(in String text, in int queueMode, in String[] params);

		boolean isSpeaking();

+31 −1

Original line number	Diff line number	Diff line
		@@ -450,7 +450,6 @@ public class TextToSpeech {
		}



		/**
		* Sets the speech rate for the TTS engine.
		*
		@@ -482,6 +481,37 @@ public class TextToSpeech {
		}


		/**
		* Sets the speech pitch for the TTS engine.
		*
		* Note that the pitch is not universally supported by all engines and
		* will be treated as a hint. The TTS library will try to use the specified
		* pitch, but there is no guarantee.
		* This has no effect on any pre-recorded speech.
		*
		* @param pitch
		* The pitch for the TTS engine. 1 is the normal pitch,
		* lower values lower the tone of the synthesized voice,
		* greater values increase it.
		*/
		public void setPitch(float pitch) {
		synchronized (mStartLock) {
		if (!mStarted) {
		return;
		}
		try {
		if (pitch > 0) {
		mITts.setPitch((int)(pitch*100));
		}
		} catch (RemoteException e) {
		// TTS died; restart it.
		mStarted = false;
		initTts();
		}
		}
		}


		/**
		* Sets the language for the TTS engine.
		*

+27 −1

Original line number	Diff line number	Diff line
		@@ -296,7 +296,7 @@ android_tts_SynthProxy_setLanguage(JNIEnv *env, jobject thiz, jint jniData,

		static void
		android_tts_SynthProxy_setSpeechRate(JNIEnv *env, jobject thiz, jint jniData,
		int speechRate)
		jint speechRate)
		{
		if (jniData == 0) {
		LOGE("android_tts_SynthProxy_setSpeechRate(): invalid JNI data");
		@@ -316,6 +316,28 @@ android_tts_SynthProxy_setSpeechRate(JNIEnv *env, jobject thiz, jint jniData,
		}


		static void
		android_tts_SynthProxy_setPitch(JNIEnv *env, jobject thiz, jint jniData,
		jint pitch)
		{
		if (jniData == 0) {
		LOGE("android_tts_SynthProxy_setPitch(): invalid JNI data");
		return;
		}

		int bufSize = 10;
		char buffer [bufSize];
		sprintf(buffer, "%d", pitch);

		SynthProxyJniStorage* pSynthData = (SynthProxyJniStorage*)jniData;
		LOGI("setting pitch to %d", pitch);
		// TODO check return codes
		if (pSynthData->mNativeSynthInterface) {
		pSynthData->mNativeSynthInterface->setProperty("pitch", buffer, bufSize);
		}
		}


		// TODO: Refactor this to get rid of any assumptions about sample rate, etc.
		static void
		android_tts_SynthProxy_synthesizeToFile(JNIEnv *env, jobject thiz, jint jniData,
		@@ -541,6 +563,10 @@ static JNINativeMethod gMethods[] = {
		"(II)V",
		(void*)android_tts_SynthProxy_setSpeechRate
		},
		{ "native_setPitch",
		"(II)V",
		(void*)android_tts_SynthProxy_setPitch
		},
		{ "native_playAudioBuffer",
		"(III)V",
		(void*)android_tts_SynthProxy_playAudioBuffer

+8 −0

Original line number	Diff line number	Diff line
		@@ -81,6 +81,12 @@ public class SynthProxy {
		native_setSpeechRate(mJniData, speechRate);
		}

		/**
		* Sets the pitch of the synthesized voice
		*/
		public final void setPitch(int pitch) {
		native_setPitch(mJniData, pitch);
		}

		/**
		* Plays the given audio buffer
		@@ -146,6 +152,8 @@ public class SynthProxy {

		private native final void native_setSpeechRate(int jniData, int speechRate);

		private native final void native_setPitch(int jniData, int speechRate);

		// TODO add buffer format
		private native final void native_playAudioBuffer(int jniData, int bufferPointer, int bufferSize);

+17 −1

Original line number	Diff line number	Diff line
		@@ -152,7 +152,6 @@ public class TtsService extends Service implements OnCompletionListener {
		// speech rate
		setSpeechRate(getDefaultRate());

		// TODO handle default pitch
		}


		@@ -179,6 +178,12 @@ public class TtsService extends Service implements OnCompletionListener {
		}
		}


		private void setPitch(int pitch) {
		nativeSynth.setPitch(pitch);
		}


		private void setLanguage(String lang, String country, String variant) {
		Log.v("TTS", "TtsService.setLanguage("+lang+", "+country+", "+variant+")");
		if (isDefaultEnforced()) {
		@@ -705,6 +710,17 @@ public class TtsService extends Service implements OnCompletionListener {
		mSelf.setSpeechRate(speechRate);
		}

		/**
		* Sets the pitch for the TTS. Note that this will only have an
		* effect on synthesized speech; it will not affect pre-recorded speech.
		*
		* @param pitch
		* The pitch that should be used for the synthesized voice
		*/
		public void setPitch(int pitch) {
		mSelf.setPitch(pitch);
		}

		/**
		* Sets the speech rate for the TTS, which affects the synthesized voice.
		*