Merge "Snap for 5524043 from f6b0c9c69c80374f534f11ada8a0bcfb4e86c755 to... (265d8d9c) · Commits · e / devices / smdk4412 / android_frameworks_av

media/libmediaplayerservice/nuplayer/NuPlayerCCDecoder.cpp

+24 −2

Original line number	Diff line number	Diff line
		@@ -316,6 +316,11 @@ bool NuPlayer::CCDecoder::extractFromMPEGUserData(const sp<ABuffer> &accessUnit)
		const size_t userData = (size_t )mpegUserData->data();

		for (size_t i = 0; i < mpegUserData->size() / sizeof(size_t); ++i) {
		if (accessUnit->size() < userData[i]) {
		ALOGW("b/129068792, skip invalid offset for user data");
		android_errorWriteLog(0x534e4554, "129068792");
		continue;
		}
		trackAdded \|= parseMPEGUserDataUnit(
		timeUs, accessUnit->data() + userData[i], accessUnit->size() - userData[i]);
		}
		@@ -325,6 +330,12 @@ bool NuPlayer::CCDecoder::extractFromMPEGUserData(const sp<ABuffer> &accessUnit)

		// returns true if a new CC track is found
		bool NuPlayer::CCDecoder::parseMPEGUserDataUnit(int64_t timeUs, const uint8_t *data, size_t size) {
		if (size < 9) {
		ALOGW("b/129068792, MPEG user data size too small %zu", size);
		android_errorWriteLog(0x534e4554, "129068792");
		return false;
		}

		ABitReader br(data + 4, 5);

		uint32_t user_identifier = br.getBits(32);
		@@ -377,8 +388,14 @@ bool NuPlayer::CCDecoder::parseMPEGCCData(int64_t timeUs, const uint8_t *data, s
		mDTVCCPacket->setRange(0, mDTVCCPacket->size() + 2);
		br.skipBits(16);
		} else if (mDTVCCPacket->size() > 0 && cc_type == 2) {
		if (mDTVCCPacket->capacity() - mDTVCCPacket->size() >= 2) {
		memcpy(mDTVCCPacket->data() + mDTVCCPacket->size(), br.data(), 2);
		mDTVCCPacket->setRange(0, mDTVCCPacket->size() + 2);
		} else {
		ALOGW("b/129068792, skip CC due to too much data(%zu, %zu)",
		mDTVCCPacket->capacity(), mDTVCCPacket->size());
		android_errorWriteLog(0x534e4554, "129068792");
		}
		br.skipBits(16);
		} else if (cc_type == 0 \|\| cc_type == 1) {
		uint8_t cc_data_1 = br.getBits(8) & 0x7f;
		@@ -465,6 +482,11 @@ bool NuPlayer::CCDecoder::parseDTVCCPacket(int64_t timeUs, const uint8_t *data,
		size_t trackIndex = getTrackIndex(kTrackTypeCEA708, service_number, &trackAdded);
		if (mSelectedTrack == (ssize_t)trackIndex) {
		sp<ABuffer> ccPacket = new ABuffer(block_size);
		if (ccPacket->capacity() == 0) {
		ALOGW("b/129068792, no memory available, %zu", block_size);
		android_errorWriteLog(0x534e4554, "129068792");
		return false;
		}
		memcpy(ccPacket->data(), br.data(), block_size);
		mCCMap.add(timeUs, ccPacket);
		}

services/audioflinger/AudioFlinger.cpp

+21 −2

Original line number	Diff line number	Diff line
		@@ -3102,11 +3102,15 @@ sp<IEffect> AudioFlinger::createEffect(
		}
		// look for the thread where the specified audio session is present
		for (size_t i = 0; i < mPlaybackThreads.size(); i++) {
		if (mPlaybackThreads.valueAt(i)->hasAudioSession(sessionId) != 0) {
		uint32_t sessionType = mPlaybackThreads.valueAt(i)->hasAudioSession(sessionId);
		if (sessionType != 0) {
		io = mPlaybackThreads.keyAt(i);
		// thread with same effect session is preferable
		if ((sessionType & ThreadBase::EFFECT_SESSION) != 0) {
		break;
		}
		}
		}
		if (io == AUDIO_IO_HANDLE_NONE) {
		for (size_t i = 0; i < mRecordThreads.size(); i++) {
		if (mRecordThreads.valueAt(i)->hasAudioSession(sessionId) != 0) {
		@@ -3130,6 +3134,21 @@ sp<IEffect> AudioFlinger::createEffect(
		io = mPlaybackThreads.keyAt(0);
		}
		ALOGV("createEffect() got io %d for effect %s", io, desc.name);
		} else if (checkPlaybackThread_l(io) != nullptr) {
		// allow only one effect chain per sessionId on mPlaybackThreads.
		for (size_t i = 0; i < mPlaybackThreads.size(); i++) {
		const audio_io_handle_t checkIo = mPlaybackThreads.keyAt(i);
		if (io == checkIo) continue;
		const uint32_t sessionType =
		mPlaybackThreads.valueAt(i)->hasAudioSession(sessionId);
		if ((sessionType & ThreadBase::EFFECT_SESSION) != 0) {
		ALOGE("%s: effect %s io %d denied because session %d effect exists on io %d",
		__func__, desc.name, (int)io, (int)sessionId, (int)checkIo);
		android_errorWriteLog(0x534e4554, "123237974");
		lStatus = BAD_VALUE;
		goto Exit;
		}
		}
		}
		ThreadBase *thread = checkRecordThread_l(io);
		if (thread == NULL) {