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Commit 146757db authored by Mingming Yin's avatar Mingming Yin Committed by Linux Build Service Account
Browse files

libstagefright: Add support for HW AAC decoder 

- Add support for HW AAC decoder by including it in the
  list of available decoders and use it for decoding only
  if property 'media.aaccodectype' is set

Change-Id: I36c9ad178f6c9fd164e617af0fdec01d3e9656f2
parent 636d2fe9

include/media/stagefright/ExtendedCodec.h

+0 −2
Original line number Diff line number Diff line
@@ -152,8 +152,6 @@ struct ExtendedCodec { 
            const sp<IOMX> &omx, IOMX::node_id nodeID, bool* isEnabled,

            const char* componentName);



    static bool useHWAACDecoder(const char *mime);



    static bool isSourcePauseRequired(const char *componentName);



private:

media/libstagefright/ACodec.cpp

100755 → 100644
+13 −3
Original line number Diff line number Diff line
@@ -4654,7 +4654,7 @@ bool ACodec::UninitializedState::onAllocateComponent(const sp<AMessage> &msg) { 
    // MediaCodecSource does not pass the output format details when calling

    // kInit leading to msg passed not having enough details

    if (!strcasecmp(mime.c_str(), MEDIA_MIMETYPE_AUDIO_AAC)

        && ExtendedUtils::UseQCHWAACEncoder()) {

        && ExtendedUtils::UseQCHWAACEncoder() && encoder) {

        //use hw aac encoder

        ALOGD("use QCOM HW AAC encoder");

        OMXCodec::findMatchingCodecs(
@@ -4663,14 +4663,24 @@ bool ACodec::UninitializedState::onAllocateComponent(const sp<AMessage> &msg) { 
                "OMX.qcom.audio.encoder.aac",  // OMX.qcom.audio.encoder.aac

                0,     // flags

                &matchingCodecs);

    }

    else

    } else if (!strcasecmp(mime.c_str(), MEDIA_MIMETYPE_AUDIO_AAC)

        && ExtendedUtils::UseQCHWAACDecoder(mime.c_str()) && !encoder) {

        //use hw aac decoder

        ALOGD("use QCOM HW AAC decoder");

        OMXCodec::findMatchingCodecs(

                mime.c_str(),

                encoder, // createEncoder

                "OMX.qcom.audio.decoder.multiaac",  // OMX.qcom.audio.decoder.multiaac

                0,     // flags

                &matchingCodecs);

    } else {

        OMXCodec::findMatchingCodecs(

                mime.c_str(),

                encoder, // createEncoder

                NULL,  // matchComponentName

                0,     // flags

                &matchingCodecs);

    }

#else

    OMXCodec::findMatchingCodecs(

                mime.c_str(),

media/libstagefright/ExtendedCodec.cpp

+0 −17
Original line number Diff line number Diff line
@@ -1157,18 +1157,6 @@ status_t ExtendedCodec::setAMRWBPLUSFormat( 
    return err;

}



bool ExtendedCodec::useHWAACDecoder(const char *mime) {

    char value[PROPERTY_VALUE_MAX] = {0};

    int aaccodectype = 0;

    aaccodectype = property_get("media.aaccodectype", value, NULL);

    if (aaccodectype && !strncmp("0", value, 1) &&

        !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AAC)) {

        ALOGI("Using Hardware AAC Decoder");

        return true;

    }

    return false;

}



bool ExtendedCodec::isSourcePauseRequired(const char *componentName) {

    /* pause is required for hardware component to release adsp resources */

    if (!strncmp(componentName, "OMX.qcom.", 9)) {
@@ -1452,11 +1440,6 @@ namespace android { 
        ARG_TOUCH(componentName);

    }



    bool ExtendedCodec::useHWAACDecoder(const char *mime) {

        ARG_TOUCH(mime);

        return false;

    }



    void ExtendedCodec::enableSmoothStreaming(

            const sp<IOMX> &omx, IOMX::node_id nodeID, bool* isEnabled,

            const char* componentName) {

media/libstagefright/ExtendedUtils.cpp

+15 −0
Original line number Diff line number Diff line
@@ -940,6 +940,16 @@ bool ExtendedUtils::UseQCHWAACEncoder(audio_encoder Encoder,int32_t Channel,int3 
    return mIsQCHWAACEncoder;

}



bool ExtendedUtils::UseQCHWAACDecoder(const char *mime) {

    if (!strncmp(mime, MEDIA_MIMETYPE_AUDIO_AAC, strlen(MEDIA_MIMETYPE_AUDIO_AAC))) {

        char value[PROPERTY_VALUE_MAX] = {0};

        if (property_get("media.aaccodectype", value, 0) && (atoi(value) == 1)) {

            return true;

        }

    }

    return false;

}





//- returns NULL if we dont really need a new extractor (or cannot),

//  valid extractor is returned otherwise
@@ -1716,6 +1726,11 @@ bool ExtendedUtils::UseQCHWAACEncoder(audio_encoder Encoder,int32_t Channel, 
    return false;

}



bool ExtendedUtils::UseQCHWAACDecoder(const char *mime) {

    ARG_TOUCH(mime);

    return false;

}



sp<MediaExtractor> ExtendedUtils::MediaExtractor_CreateIfNeeded(

        sp<MediaExtractor> defaultExt,

        const sp<DataSource> &source,

media/libstagefright/OMXCodec.cpp

+31 −2
Original line number Diff line number Diff line
@@ -249,7 +249,7 @@ void OMXCodec::findMatchingCodecs( 
    size_t index = 0;



#ifdef ENABLE_AV_ENHANCEMENTS

    //Check if application specially reuqested for  aac hardware encoder

    //Check if application specially reuqested for aac hardware encoder/decoder

    //This is not a part of  mediacodec list

    if (matchComponentName &&

            !strncmp("OMX.qcom.audio.encoder.aac", matchComponentName, 26)) {
@@ -260,6 +260,17 @@ void OMXCodec::findMatchingCodecs( 
        entry->mQuirks = 0;

        return;

    }



    if (matchComponentName &&

            !strncmp("OMX.qcom.audio.decoder.multiaac", matchComponentName, 31)) {

        matchingCodecs->add();



        CodecNameAndQuirks *entry = &matchingCodecs->editItemAt(index);

        entry->mName = String8("OMX.qcom.audio.decoder.multiaac");

        entry->mQuirks |= kRequiresAllocateBufferOnInputPorts;

        entry->mQuirks |= kRequiresAllocateBufferOnOutputPorts;

        return;

    }

#endif



    for (;;) {
@@ -354,6 +365,17 @@ bool OMXCodec::findCodecQuirks(const char *componentName, uint32_t *quirks) { 
        return false;

    }



#ifdef ENABLE_AV_ENHANCEMENTS

    //Check for aac hardware decoder

    //This is not a part of  mediacodec list

    if (componentName &&

            !strncmp("OMX.qcom.audio.decoder.multiaac", componentName, 31)) {

        *quirks |= kRequiresAllocateBufferOnInputPorts;

        *quirks |= kRequiresAllocateBufferOnOutputPorts;

        return true;

    }

#endif



    const sp<MediaCodecInfo> info = list->getCodecInfo(index);

    CHECK(info != NULL);

    *quirks = getComponentQuirks(info);
@@ -383,8 +405,15 @@ sp<MediaSource> OMXCodec::Create( 
    CHECK(success);



    Vector<CodecNameAndQuirks> matchingCodecs;



    if (!strncmp(mime, MEDIA_MIMETYPE_AUDIO_AAC, 15) &&

            ExtendedUtils::UseQCHWAACDecoder(mime)) {

        findMatchingCodecs(mime, createEncoder,

            "OMX.qcom.audio.decoder.multiaac", flags, &matchingCodecs);

    } else {

        findMatchingCodecs(

            mime, createEncoder, matchComponentName, flags, &matchingCodecs);

    }



    if (matchingCodecs.isEmpty()) {

        ALOGV("No matching codecs! (mime: %s, createEncoder: %s, "