CCodec: convert audio decoder output PCM format (6f23cfc9) · Commits · e / os / android_frameworks_av

media/codec2/sfplugin/CCodec.cpp

+10 −1

Original line number	Diff line number	Diff line
		@@ -1311,8 +1311,8 @@ void CCodec::configure(const sp<AMessage> &msg) {
		}
		}

		// set channel-mask
		if (config->mDomain & Config::IS_AUDIO) {
		// set channel-mask
		int32_t mask;
		if (msg->findInt32(KEY_CHANNEL_MASK, &mask)) {
		if (config->mDomain & Config::IS_ENCODER) {
		@@ -1321,6 +1321,15 @@ void CCodec::configure(const sp<AMessage> &msg) {
		config->mOutputFormat->setInt32(KEY_CHANNEL_MASK, mask);
		}
		}

		// set PCM encoding
		int32_t pcmEncoding = kAudioEncodingPcm16bit;
		msg->findInt32(KEY_PCM_ENCODING, &pcmEncoding);
		if (encoder) {
		config->mInputFormat->setInt32("android._config-pcm-encoding", pcmEncoding);
		} else {
		config->mOutputFormat->setInt32("android._config-pcm-encoding", pcmEncoding);
		}
		}

		std::unique_ptr<C2Param> colorTransferRequestParam;

media/codec2/sfplugin/CCodecBuffers.cpp

+58 −4

Original line number	Diff line number	Diff line
		@@ -21,6 +21,7 @@
		#include <C2PlatformSupport.h>

		#include <media/stagefright/foundation/ADebug.h>
		#include <media/stagefright/foundation/MediaDefs.h>
		#include <media/stagefright/MediaCodec.h>
		#include <media/stagefright/MediaCodecConstants.h>
		#include <media/stagefright/SkipCutBuffer.h>
		@@ -197,6 +198,56 @@ void OutputBuffers::setSkipCutBuffer(int32_t skip, int32_t cut) {
		mSkipCutBuffer = new SkipCutBuffer(skip, cut, mChannelCount);
		}

		bool OutputBuffers::convert(
		const std::shared_ptr<C2Buffer> &src, sp<Codec2Buffer> *dst) {
		if (!src \|\| src->data().type() != C2BufferData::LINEAR) {
		return false;
		}
		int32_t configEncoding = kAudioEncodingPcm16bit;
		int32_t codecEncoding = kAudioEncodingPcm16bit;
		if (mFormat->findInt32("android._codec-pcm-encoding", &codecEncoding)
		&& mFormat->findInt32("android._config-pcm-encoding", &configEncoding)) {
		if (mSrcEncoding != codecEncoding \|\| mDstEncoding != configEncoding) {
		if (codecEncoding != configEncoding) {
		mDataConverter = AudioConverter::Create(
		(AudioEncoding)codecEncoding, (AudioEncoding)configEncoding);
		ALOGD_IF(mDataConverter, "[%s] Converter created from %d to %d",
		mName, codecEncoding, configEncoding);
		mFormatWithConverter = mFormat->dup();
		mFormatWithConverter->setInt32(KEY_PCM_ENCODING, configEncoding);
		} else {
		mDataConverter = nullptr;
		mFormatWithConverter = nullptr;
		}
		mSrcEncoding = codecEncoding;
		mDstEncoding = configEncoding;
		}
		if (int encoding; !mFormat->findInt32(KEY_PCM_ENCODING, &encoding)
		\|\| encoding != mDstEncoding) {
		}
		}
		if (!mDataConverter) {
		return false;
		}
		sp<MediaCodecBuffer> srcBuffer = ConstLinearBlockBuffer::Allocate(mFormat, src);
		if (!srcBuffer) {
		return false;
		}
		if (!dst) {
		*dst = new Codec2Buffer(
		mFormat,
		new ABuffer(mDataConverter->targetSize(srcBuffer->size())));
		}
		sp<MediaCodecBuffer> dstBuffer = *dst;
		status_t err = mDataConverter->convert(srcBuffer, dstBuffer);
		if (err != OK) {
		ALOGD("[%s] buffer conversion failed: %d", mName, err);
		return false;
		}
		dstBuffer->setFormat(mFormatWithConverter);
		return true;
		}

		void OutputBuffers::clearStash() {
		mPending.clear();
		mReorderStash.clear();
		@@ -1074,7 +1125,7 @@ status_t OutputBuffersArray::registerBuffer(
		return err;
		}
		c2Buffer->setFormat(mFormat);
		if (!c2Buffer->copy(buffer)) {
		if (!convert(buffer, &c2Buffer) && !c2Buffer->copy(buffer)) {
		ALOGD("[%s] copy buffer failed", mName);
		return WOULD_BLOCK;
		}
		@@ -1190,10 +1241,13 @@ status_t FlexOutputBuffers::registerBuffer(
		const std::shared_ptr<C2Buffer> &buffer,
		size_t *index,
		sp<MediaCodecBuffer> *clientBuffer) {
		sp<Codec2Buffer> newBuffer = wrap(buffer);
		sp<Codec2Buffer> newBuffer;
		if (!convert(buffer, &newBuffer)) {
		newBuffer = wrap(buffer);
		if (newBuffer == nullptr) {
		return NO_MEMORY;
		}
		}
		newBuffer->setFormat(mFormat);
		*index = mImpl.assignSlot(newBuffer);
		handleImageData(newBuffer);

media/codec2/sfplugin/CCodecBuffers.h

+16 −0

Original line number	Diff line number	Diff line
		@@ -18,9 +18,11 @@

		#define CCODEC_BUFFERS_H_

		#include <optional>
		#include <string>

		#include <C2Config.h>
		#include <DataConverter.h>
		#include <media/stagefright/foundation/AMessage.h>
		#include <media/MediaCodecBuffer.h>

		@@ -382,6 +384,14 @@ protected:
		*/
		void submit(const sp<MediaCodecBuffer> &buffer);

		/**
		* Apply DataConverter from \|src\| to \|*dst\| if needed. If \|dst\| is nullptr,
		* a new buffer is allocated.
		*
		* Returns true if conversion was needed and executed; false otherwise.
		*/
		bool convert(const std::shared_ptr<C2Buffer> &src, sp<Codec2Buffer> *dst);

		private:
		// SkipCutBuffer
		int32_t mDelay;
		@@ -391,6 +401,12 @@ private:

		void setSkipCutBuffer(int32_t skip, int32_t cut);

		// DataConverter
		sp<DataConverter> mDataConverter;
		sp<AMessage> mFormatWithConverter;
		std::optional<int32_t> mSrcEncoding;
		std::optional<int32_t> mDstEncoding;

		// Output stash

		// Struct for an entry in the output stash (mPending and mReorderStash)

media/codec2/sfplugin/CCodecConfig.cpp

+22 −17

Original line number	Diff line number	Diff line
		@@ -657,16 +657,15 @@ void CCodecConfig::initializeStandardParams() {
		add(ConfigMapper(KEY_SAMPLE_RATE, C2_PARAMKEY_CODED_SAMPLE_RATE, "value")
		.limitTo(D::AUDIO & D::CODED));

		add(ConfigMapper(KEY_PCM_ENCODING, C2_PARAMKEY_PCM_ENCODING, "value")
		.limitTo(D::AUDIO)
		.withMappers([](C2Value v) -> C2Value {
		auto pcmEncodingMapper = [](C2Value v) -> C2Value {
		int32_t value;
		C2Config::pcm_encoding_t to;
		if (v.get(&value) && C2Mapper::map(value, &to)) {
		return to;
		}
		return C2Value();
		}, [](C2Value v) -> C2Value {
		};
		auto pcmEncodingReverse = [](C2Value v) -> C2Value {
		C2Config::pcm_encoding_t value;
		int32_t to;
		using C2ValueType=typename _c2_reduce_enum_to_underlying_type<decltype(value)>::type;
		@@ -674,7 +673,13 @@ void CCodecConfig::initializeStandardParams() {
		return to;
		}
		return C2Value();
		}));
		};
		add(ConfigMapper(KEY_PCM_ENCODING, C2_PARAMKEY_PCM_ENCODING, "value")
		.limitTo(D::AUDIO)
		.withMappers(pcmEncodingMapper, pcmEncodingReverse));
		add(ConfigMapper("android._codec-pcm-encoding", C2_PARAMKEY_PCM_ENCODING, "value")
		.limitTo(D::AUDIO & D::READ)
		.withMappers(pcmEncodingMapper, pcmEncodingReverse));

		add(ConfigMapper(KEY_IS_ADTS, C2_PARAMKEY_AAC_PACKAGING, "value")
		.limitTo(D::AUDIO & D::CODED)

media/libstagefright/Android.bp

+2 −1

Original line number	Diff line number	Diff line
		@@ -109,6 +109,7 @@ cc_library_shared {

		srcs: [
		"CodecBase.cpp",
		"DataConverter.cpp",
		"FrameRenderTracker.cpp",
		"MediaCodecListWriter.cpp",
		"SkipCutBuffer.cpp",
		@@ -125,6 +126,7 @@ cc_library_shared {
		],

		shared_libs: [
		"libaudioutils",
		"libgui",
		"libhidlallocatorutils",
		"liblog",
		@@ -266,7 +268,6 @@ cc_library {
		"CallbackMediaSource.cpp",
		"CameraSource.cpp",
		"CameraSourceTimeLapse.cpp",
		"DataConverter.cpp",
		"FrameDecoder.cpp",
		"HevcUtils.cpp",
		"InterfaceUtils.cpp",