Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit d528f036 authored by Andreas Huber's avatar Andreas Huber Committed by Android (Google) Code Review
Browse files

Merge "The software AMR NB encoder is now an OMX component."

parents a8c0d5e6 9dd295af
Loading
Loading
Loading
Loading
+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 \
+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" },
+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)
+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);
}
+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_
Loading