Making sure that the audio buffers for speech are cleared (4a3368ff) · Commits · e / os / android_frameworks_base

packages/TtsService/jni/android_tts_SynthProxy.cpp

+8 −3

Original line number	Diff line number	Diff line
		@@ -84,6 +84,7 @@ class SynthProxyJniStorage {
		mNbChannels = DEFAULT_TTS_NB_CHANNELS;
		mBufferSize = DEFAULT_TTS_BUFFERSIZE;
		mBuffer = new int8_t[mBufferSize];
		memset(mBuffer, 0, mBufferSize);
		}

		~SynthProxyJniStorage() {
		@@ -194,6 +195,7 @@ static tts_callback_status ttsSynthDoneCB(void *& userdata, uint32_t rate,
		prepAudioTrack(pJniData, pForAfter->streamType, rate, format, channel);
		if (pJniData->mAudioOut) {
		pJniData->mAudioOut->write(wav, bufferSize);
		memset(wav, 0, bufferSize);
		//LOGV("AudioTrack wrote: %d bytes", bufferSize);
		} else {
		LOGE("Can't play, null audiotrack");
		@@ -208,6 +210,7 @@ static tts_callback_status ttsSynthDoneCB(void *& userdata, uint32_t rate,
		}
		if (bufferSize > 0){
		fwrite(wav, 1, bufferSize, pForAfter->outputFile);
		memset(wav, 0, bufferSize);
		}
		}
		// Future update:
		@@ -473,6 +476,7 @@ android_tts_SynthProxy_synthesizeToFile(JNIEnv *env, jobject thiz, jint jniData,

		unsigned int unique_identifier;

		memset(pSynthData->mBuffer, 0, pSynthData->mBufferSize);
		result = pSynthData->mNativeSynthInterface->synthesizeText(textNativeString,
		pSynthData->mBuffer, pSynthData->mBufferSize, (void *)pForAfter);

		@@ -554,6 +558,7 @@ android_tts_SynthProxy_speak(JNIEnv *env, jobject thiz, jint jniData,

		if (pSynthData->mNativeSynthInterface) {
		const char *textNativeString = env->GetStringUTFChars(textJavaString, 0);
		memset(pSynthData->mBuffer, 0, pSynthData->mBufferSize);
		result = pSynthData->mNativeSynthInterface->synthesizeText(textNativeString,
		pSynthData->mBuffer, pSynthData->mBufferSize, (void *)pForAfter);
		env->ReleaseStringUTFChars(textJavaString, textNativeString);
		@@ -575,12 +580,12 @@ android_tts_SynthProxy_stop(JNIEnv *env, jobject thiz, jint jniData)

		SynthProxyJniStorage* pSynthData = (SynthProxyJniStorage*)jniData;

		if (pSynthData->mNativeSynthInterface) {
		result = pSynthData->mNativeSynthInterface->stop();
		}
		if (pSynthData->mAudioOut) {
		pSynthData->mAudioOut->stop();
		}
		if (pSynthData->mNativeSynthInterface) {
		result = pSynthData->mNativeSynthInterface->stop();
		}

		return result;
		}