Support channel index masks for output hal (18aa2701) · Commits · e / os / android_frameworks_av

services/audioflinger/BufferProviders.cpp

+2 −40

Original line number	Diff line number	Diff line
		@@ -292,46 +292,8 @@ RemixBufferProvider::RemixBufferProvider(audio_channel_mask_t inputChannelMask,
		ALOGV("RemixBufferProvider(%p)(%#x, %#x, %#x) %zu %zu",
		this, format, inputChannelMask, outputChannelMask,
		mInputChannels, mOutputChannels);

		const audio_channel_representation_t inputRepresentation =
		audio_channel_mask_get_representation(inputChannelMask);
		const audio_channel_representation_t outputRepresentation =
		audio_channel_mask_get_representation(outputChannelMask);
		const uint32_t inputBits = audio_channel_mask_get_bits(inputChannelMask);
		const uint32_t outputBits = audio_channel_mask_get_bits(outputChannelMask);

		switch (inputRepresentation) {
		case AUDIO_CHANNEL_REPRESENTATION_POSITION:
		switch (outputRepresentation) {
		case AUDIO_CHANNEL_REPRESENTATION_POSITION:
		memcpy_by_index_array_initialization(mIdxAry, ARRAY_SIZE(mIdxAry),
		outputBits, inputBits);
		return;
		case AUDIO_CHANNEL_REPRESENTATION_INDEX:
		// TODO: output channel index mask not currently allowed
		// fall through
		default:
		break;
		}
		break;
		case AUDIO_CHANNEL_REPRESENTATION_INDEX:
		switch (outputRepresentation) {
		case AUDIO_CHANNEL_REPRESENTATION_POSITION:
		memcpy_by_index_array_initialization_src_index(mIdxAry, ARRAY_SIZE(mIdxAry),
		outputBits, inputBits);
		return;
		case AUDIO_CHANNEL_REPRESENTATION_INDEX:
		// TODO: output channel index mask not currently allowed
		// fall through
		default:
		break;
		}
		break;
		default:
		break;
		}
		LOG_ALWAYS_FATAL("invalid channel mask conversion from %#x to %#x",
		inputChannelMask, outputChannelMask);
		(void) memcpy_by_index_array_initialization_from_channel_mask(
		mIdxAry, ARRAY_SIZE(mIdxAry), outputChannelMask, inputChannelMask);
		}

		void RemixBufferProvider::copyFrames(void dst, const void src, size_t frames)

services/audiopolicy/common/managerdefinitions/src/AudioPort.cpp

+6 −0

Original line number	Diff line number	Diff line
		@@ -272,6 +272,12 @@ void AudioPort::loadOutChannels(char *name)
		(audio_channel_mask_t)ConfigParsingUtils::stringToEnum(sOutChannelsNameToEnumTable,
		ARRAY_SIZE(sOutChannelsNameToEnumTable),
		str);
		if (channelMask == 0) { // if not found, check the channel index table
		channelMask = (audio_channel_mask_t)
		ConfigParsingUtils::stringToEnum(sIndexChannelsNameToEnumTable,
		ARRAY_SIZE(sIndexChannelsNameToEnumTable),
		str);
		}
		if (channelMask != 0) {
		mChannelMasks.add(channelMask);
		}