The software AMR NB encoder is now an OMX component. (9dd295af) · Commits · e / os / android_frameworks_base

media/jni/Android.mk

+5 −1

Original line number	Diff line number	Diff line
		@@ -28,7 +28,11 @@ LOCAL_SHARED_LIBRARIES := \
		libcamera_client \
		libmtp \
		libusbhost \
		libexif
		libexif \
		libstagefright_amrnb_common \

		LOCAL_STATIC_LIBRARIES := \
		libstagefright_amrnbenc

		LOCAL_C_INCLUDES += \
		external/jhead \

media/libstagefright/OMXCodec.cpp

+1 −4

Original line number	Diff line number	Diff line
		@@ -18,7 +18,6 @@
		#define LOG_TAG "OMXCodec"
		#include <utils/Log.h>

		#include "include/AMRNBEncoder.h"
		#include "include/AMRWBEncoder.h"
		#include "include/AVCEncoder.h"
		#include "include/M4vH263Encoder.h"
		@@ -70,7 +69,6 @@ static sp<MediaSource> Make##name(const sp<MediaSource> &source, const sp<MetaDa

		#define FACTORY_REF(name) { #name, Make##name },

		FACTORY_CREATE_ENCODER(AMRNBEncoder)
		FACTORY_CREATE_ENCODER(AMRWBEncoder)
		FACTORY_CREATE_ENCODER(AVCEncoder)
		FACTORY_CREATE_ENCODER(M4vH263Encoder)
		@@ -84,7 +82,6 @@ static sp<MediaSource> InstantiateSoftwareEncoder(
		};

		static const FactoryInfo kFactoryInfo[] = {
		FACTORY_REF(AMRNBEncoder)
		FACTORY_REF(AMRWBEncoder)
		FACTORY_REF(AVCEncoder)
		FACTORY_REF(M4vH263Encoder)
		@@ -146,7 +143,7 @@ static const CodecInfo kDecoderInfo[] = {

		static const CodecInfo kEncoderInfo[] = {
		{ MEDIA_MIMETYPE_AUDIO_AMR_NB, "OMX.TI.AMR.encode" },
		{ MEDIA_MIMETYPE_AUDIO_AMR_NB, "AMRNBEncoder" },
		{ MEDIA_MIMETYPE_AUDIO_AMR_NB, "OMX.google.amrnb.encoder" },
		{ MEDIA_MIMETYPE_AUDIO_AMR_WB, "OMX.TI.WBAMR.encode" },
		{ MEDIA_MIMETYPE_AUDIO_AMR_WB, "AMRWBEncoder" },
		{ MEDIA_MIMETYPE_AUDIO_AAC, "OMX.TI.AAC.encode" },

media/libstagefright/codecs/amrnb/enc/Android.mk

+27 −0

Original line number	Diff line number	Diff line
		@@ -74,3 +74,30 @@ LOCAL_CFLAGS := \
		LOCAL_MODULE := libstagefright_amrnbenc

		include $(BUILD_STATIC_LIBRARY)

		################################################################################

		include $(CLEAR_VARS)

		LOCAL_SRC_FILES := \
		SoftAMRNBEncoder.cpp

		LOCAL_C_INCLUDES := \
		frameworks/base/media/libstagefright/include \
		frameworks/base/include/media/stagefright/openmax \
		$(LOCAL_PATH)/src \
		$(LOCAL_PATH)/include \
		$(LOCAL_PATH)/../common/include \
		$(LOCAL_PATH)/../common

		LOCAL_STATIC_LIBRARIES := \
		libstagefright_amrnbenc

		LOCAL_SHARED_LIBRARIES := \
		libstagefright_omx libstagefright_foundation libutils \
		libstagefright_amrnb_common

		LOCAL_MODULE := libstagefright_soft_amrnbenc
		LOCAL_MODULE_TAGS := optional

		include $(BUILD_SHARED_LIBRARY)

media/libstagefright/codecs/amrnb/enc/SoftAMRNBEncoder.cpp

0 → 100644

+404 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2012 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		//#define LOG_NDEBUG 0
		#define LOG_TAG "SoftAMRNBEncoder"
		#include <utils/Log.h>

		#include "SoftAMRNBEncoder.h"

		#include "gsmamr_enc.h"

		#include <media/stagefright/foundation/ADebug.h>
		#include <media/stagefright/foundation/hexdump.h>

		namespace android {

		static const int32_t kSampleRate = 8000;

		template<class T>
		static void InitOMXParams(T *params) {
		params->nSize = sizeof(T);
		params->nVersion.s.nVersionMajor = 1;
		params->nVersion.s.nVersionMinor = 0;
		params->nVersion.s.nRevision = 0;
		params->nVersion.s.nStep = 0;
		}

		SoftAMRNBEncoder::SoftAMRNBEncoder(
		const char *name,
		const OMX_CALLBACKTYPE *callbacks,
		OMX_PTR appData,
		OMX_COMPONENTTYPE **component)
		: SimpleSoftOMXComponent(name, callbacks, appData, component),
		mEncState(NULL),
		mSidState(NULL),
		mBitRate(0),
		mMode(MR475),
		mInputSize(0),
		mInputTimeUs(-1ll),
		mSawInputEOS(false),
		mSignalledError(false) {
		initPorts();
		CHECK_EQ(initEncoder(), (status_t)OK);
		}

		SoftAMRNBEncoder::~SoftAMRNBEncoder() {
		if (mEncState != NULL) {
		AMREncodeExit(&mEncState, &mSidState);
		mEncState = mSidState = NULL;
		}
		}

		void SoftAMRNBEncoder::initPorts() {
		OMX_PARAM_PORTDEFINITIONTYPE def;
		InitOMXParams(&def);

		def.nPortIndex = 0;
		def.eDir = OMX_DirInput;
		def.nBufferCountMin = kNumBuffers;
		def.nBufferCountActual = def.nBufferCountMin;
		def.nBufferSize = kNumSamplesPerFrame * sizeof(int16_t);
		def.bEnabled = OMX_TRUE;
		def.bPopulated = OMX_FALSE;
		def.eDomain = OMX_PortDomainAudio;
		def.bBuffersContiguous = OMX_FALSE;
		def.nBufferAlignment = 1;

		def.format.audio.cMIMEType = const_cast<char *>("audio/raw");
		def.format.audio.pNativeRender = NULL;
		def.format.audio.bFlagErrorConcealment = OMX_FALSE;
		def.format.audio.eEncoding = OMX_AUDIO_CodingPCM;

		addPort(def);

		def.nPortIndex = 1;
		def.eDir = OMX_DirOutput;
		def.nBufferCountMin = kNumBuffers;
		def.nBufferCountActual = def.nBufferCountMin;
		def.nBufferSize = 8192;
		def.bEnabled = OMX_TRUE;
		def.bPopulated = OMX_FALSE;
		def.eDomain = OMX_PortDomainAudio;
		def.bBuffersContiguous = OMX_FALSE;
		def.nBufferAlignment = 2;

		def.format.audio.cMIMEType = const_cast<char *>("audio/3gpp");
		def.format.audio.pNativeRender = NULL;
		def.format.audio.bFlagErrorConcealment = OMX_FALSE;
		def.format.audio.eEncoding = OMX_AUDIO_CodingAMR;

		addPort(def);
		}

		status_t SoftAMRNBEncoder::initEncoder() {
		if (AMREncodeInit(&mEncState, &mSidState, false /* dtx_enable */) != 0) {
		return UNKNOWN_ERROR;
		}

		return OK;
		}

		OMX_ERRORTYPE SoftAMRNBEncoder::internalGetParameter(
		OMX_INDEXTYPE index, OMX_PTR params) {
		switch (index) {
		case OMX_IndexParamAudioPortFormat:
		{
		OMX_AUDIO_PARAM_PORTFORMATTYPE *formatParams =
		(OMX_AUDIO_PARAM_PORTFORMATTYPE *)params;

		if (formatParams->nPortIndex > 1) {
		return OMX_ErrorUndefined;
		}

		if (formatParams->nIndex > 0) {
		return OMX_ErrorNoMore;
		}

		formatParams->eEncoding =
		(formatParams->nPortIndex == 0)
		? OMX_AUDIO_CodingPCM : OMX_AUDIO_CodingAMR;

		return OMX_ErrorNone;
		}

		case OMX_IndexParamAudioAmr:
		{
		OMX_AUDIO_PARAM_AMRTYPE *amrParams =
		(OMX_AUDIO_PARAM_AMRTYPE *)params;

		if (amrParams->nPortIndex != 1) {
		return OMX_ErrorUndefined;
		}

		amrParams->nChannels = 1;
		amrParams->nBitRate = mBitRate;
		amrParams->eAMRBandMode = (OMX_AUDIO_AMRBANDMODETYPE)(mMode + 1);
		amrParams->eAMRDTXMode = OMX_AUDIO_AMRDTXModeOff;
		amrParams->eAMRFrameFormat = OMX_AUDIO_AMRFrameFormatFSF;

		return OMX_ErrorNone;
		}

		case OMX_IndexParamAudioPcm:
		{
		OMX_AUDIO_PARAM_PCMMODETYPE *pcmParams =
		(OMX_AUDIO_PARAM_PCMMODETYPE *)params;

		if (pcmParams->nPortIndex != 0) {
		return OMX_ErrorUndefined;
		}

		pcmParams->eNumData = OMX_NumericalDataSigned;
		pcmParams->eEndian = OMX_EndianBig;
		pcmParams->bInterleaved = OMX_TRUE;
		pcmParams->nBitPerSample = 16;
		pcmParams->ePCMMode = OMX_AUDIO_PCMModeLinear;
		pcmParams->eChannelMapping[0] = OMX_AUDIO_ChannelCF;

		pcmParams->nChannels = 1;
		pcmParams->nSamplingRate = kSampleRate;

		return OMX_ErrorNone;
		}

		default:
		return SimpleSoftOMXComponent::internalGetParameter(index, params);
		}
		}

		OMX_ERRORTYPE SoftAMRNBEncoder::internalSetParameter(
		OMX_INDEXTYPE index, const OMX_PTR params) {
		switch (index) {
		case OMX_IndexParamStandardComponentRole:
		{
		const OMX_PARAM_COMPONENTROLETYPE *roleParams =
		(const OMX_PARAM_COMPONENTROLETYPE *)params;

		if (strncmp((const char *)roleParams->cRole,
		"audio_encoder.amrnb",
		OMX_MAX_STRINGNAME_SIZE - 1)) {
		return OMX_ErrorUndefined;
		}

		return OMX_ErrorNone;
		}

		case OMX_IndexParamAudioPortFormat:
		{
		const OMX_AUDIO_PARAM_PORTFORMATTYPE *formatParams =
		(const OMX_AUDIO_PARAM_PORTFORMATTYPE *)params;

		if (formatParams->nPortIndex > 1) {
		return OMX_ErrorUndefined;
		}

		if (formatParams->nIndex > 0) {
		return OMX_ErrorNoMore;
		}

		if ((formatParams->nPortIndex == 0
		&& formatParams->eEncoding != OMX_AUDIO_CodingPCM)
		\|\| (formatParams->nPortIndex == 1
		&& formatParams->eEncoding != OMX_AUDIO_CodingAMR)) {
		return OMX_ErrorUndefined;
		}

		return OMX_ErrorNone;
		}

		case OMX_IndexParamAudioAmr:
		{
		OMX_AUDIO_PARAM_AMRTYPE *amrParams =
		(OMX_AUDIO_PARAM_AMRTYPE *)params;

		if (amrParams->nPortIndex != 1) {
		return OMX_ErrorUndefined;
		}

		if (amrParams->nChannels != 1
		\|\| amrParams->eAMRDTXMode != OMX_AUDIO_AMRDTXModeOff
		\|\| amrParams->eAMRFrameFormat
		!= OMX_AUDIO_AMRFrameFormatFSF
		\|\| amrParams->eAMRBandMode < OMX_AUDIO_AMRBandModeNB0
		\|\| amrParams->eAMRBandMode > OMX_AUDIO_AMRBandModeNB7) {
		return OMX_ErrorUndefined;
		}

		mBitRate = amrParams->nBitRate;
		mMode = amrParams->eAMRBandMode - 1;

		amrParams->eAMRDTXMode = OMX_AUDIO_AMRDTXModeOff;
		amrParams->eAMRFrameFormat = OMX_AUDIO_AMRFrameFormatFSF;

		return OMX_ErrorNone;
		}

		case OMX_IndexParamAudioPcm:
		{
		OMX_AUDIO_PARAM_PCMMODETYPE *pcmParams =
		(OMX_AUDIO_PARAM_PCMMODETYPE *)params;

		if (pcmParams->nPortIndex != 0) {
		return OMX_ErrorUndefined;
		}

		if (pcmParams->nChannels != 1
		\|\| pcmParams->nSamplingRate != kSampleRate) {
		return OMX_ErrorUndefined;
		}

		return OMX_ErrorNone;
		}


		default:
		return SimpleSoftOMXComponent::internalSetParameter(index, params);
		}
		}

		void SoftAMRNBEncoder::onQueueFilled(OMX_U32 portIndex) {
		if (mSignalledError) {
		return;
		}

		List<BufferInfo *> &inQueue = getPortQueue(0);
		List<BufferInfo *> &outQueue = getPortQueue(1);

		size_t numBytesPerInputFrame = kNumSamplesPerFrame * sizeof(int16_t);

		for (;;) {
		// We do the following until we run out of buffers.

		while (mInputSize < numBytesPerInputFrame) {
		// As long as there's still input data to be read we
		// will drain "kNumSamplesPerFrame" samples
		// into the "mInputFrame" buffer and then encode those
		// as a unit into an output buffer.

		if (mSawInputEOS \|\| inQueue.empty()) {
		return;
		}

		BufferInfo inInfo = inQueue.begin();
		OMX_BUFFERHEADERTYPE *inHeader = inInfo->mHeader;

		const void *inData = inHeader->pBuffer + inHeader->nOffset;

		size_t copy = numBytesPerInputFrame - mInputSize;
		if (copy > inHeader->nFilledLen) {
		copy = inHeader->nFilledLen;
		}

		if (mInputSize == 0) {
		mInputTimeUs = inHeader->nTimeStamp;
		}

		memcpy((uint8_t *)mInputFrame + mInputSize, inData, copy);
		mInputSize += copy;

		inHeader->nOffset += copy;
		inHeader->nFilledLen -= copy;

		// "Time" on the input buffer has in effect advanced by the
		// number of audio frames we just advanced nOffset by.
		inHeader->nTimeStamp +=
		(copy * 1000000ll / kSampleRate) / sizeof(int16_t);

		if (inHeader->nFilledLen == 0) {
		if (inHeader->nFlags & OMX_BUFFERFLAG_EOS) {
		ALOGV("saw input EOS");
		mSawInputEOS = true;

		// Pad any remaining data with zeroes.
		memset((uint8_t *)mInputFrame + mInputSize,
		0,
		numBytesPerInputFrame - mInputSize);

		mInputSize = numBytesPerInputFrame;
		}

		inQueue.erase(inQueue.begin());
		inInfo->mOwnedByUs = false;
		notifyEmptyBufferDone(inHeader);

		inData = NULL;
		inHeader = NULL;
		inInfo = NULL;
		}
		}

		// At this point we have all the input data necessary to encode
		// a single frame, all we need is an output buffer to store the result
		// in.

		if (outQueue.empty()) {
		return;
		}

		BufferInfo outInfo = outQueue.begin();
		OMX_BUFFERHEADERTYPE *outHeader = outInfo->mHeader;

		uint8_t *outPtr = outHeader->pBuffer + outHeader->nOffset;
		size_t outAvailable = outHeader->nAllocLen - outHeader->nOffset;

		Frame_Type_3GPP frameType;
		int res = AMREncode(
		mEncState, mSidState, (Mode)mMode,
		mInputFrame, outPtr, &frameType, AMR_TX_WMF);

		CHECK_GE(res, 0);
		CHECK_LE((size_t)res, outAvailable);

		// Convert header byte from WMF to IETF format.
		outPtr[0] = ((outPtr[0] << 3) \| 4) & 0x7c;

		outHeader->nFilledLen = res;
		outHeader->nFlags = OMX_BUFFERFLAG_ENDOFFRAME;

		if (mSawInputEOS) {
		// We also tag this output buffer with EOS if it corresponds
		// to the final input buffer.
		outHeader->nFlags = OMX_BUFFERFLAG_EOS;
		}

		outHeader->nTimeStamp = mInputTimeUs;

		#if 0
		ALOGI("sending %d bytes of data (time = %lld us, flags = 0x%08lx)",
		nOutputBytes, mInputTimeUs, outHeader->nFlags);

		hexdump(outHeader->pBuffer + outHeader->nOffset, outHeader->nFilledLen);
		#endif

		outQueue.erase(outQueue.begin());
		outInfo->mOwnedByUs = false;
		notifyFillBufferDone(outHeader);

		outHeader = NULL;
		outInfo = NULL;

		mInputSize = 0;
		}
		}

		} // namespace android

		android::SoftOMXComponent *createSoftOMXComponent(
		const char name, const OMX_CALLBACKTYPE callbacks,
		OMX_PTR appData, OMX_COMPONENTTYPE **component) {
		return new android::SoftAMRNBEncoder(name, callbacks, appData, component);
		}

media/libstagefright/codecs/amrnb/enc/SoftAMRNBEncoder.h

0 → 100644

+72 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2012 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		#ifndef SOFT_AMRNB_ENCODER_H_

		#define SOFT_AMRNB_ENCODER_H_

		#include "SimpleSoftOMXComponent.h"

		namespace android {

		struct SoftAMRNBEncoder : public SimpleSoftOMXComponent {
		SoftAMRNBEncoder(
		const char *name,
		const OMX_CALLBACKTYPE *callbacks,
		OMX_PTR appData,
		OMX_COMPONENTTYPE **component);

		protected:
		virtual ~SoftAMRNBEncoder();

		virtual OMX_ERRORTYPE internalGetParameter(
		OMX_INDEXTYPE index, OMX_PTR params);

		virtual OMX_ERRORTYPE internalSetParameter(
		OMX_INDEXTYPE index, const OMX_PTR params);

		virtual void onQueueFilled(OMX_U32 portIndex);

		private:
		enum {
		kNumBuffers = 4,
		kNumSamplesPerFrame = 160,
		};

		void *mEncState;
		void *mSidState;

		OMX_U32 mBitRate;
		int mMode;

		size_t mInputSize;
		int16_t mInputFrame[kNumSamplesPerFrame];
		int64_t mInputTimeUs;

		bool mSawInputEOS;
		bool mSignalledError;

		void initPorts();
		status_t initEncoder();

		status_t setAudioParams();

		DISALLOW_EVIL_CONSTRUCTORS(SoftAMRNBEncoder);
		};

		} // namespace android

		#endif // SOFT_AMRNB_ENCODER_H_