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Commit adc46cce authored by Neelkamal Semwal's avatar Neelkamal Semwal Committed by Automerger Merge Worker
Browse files

C2SoftOpusEnc: Add support for a constant bitrate am: 7cfafacb 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/15153144

Change-Id: I89467c7d7903b4f5054f4b2d8ef0457af80f54e4
parents af9cd746 7cfafacb

media/codec2/components/opus/C2SoftOpusEnc.cpp

+34 −8
Original line number Diff line number Diff line
@@ -77,6 +77,19 @@ public: 
                .withSetter((Setter<decltype(*mChannelCount)>::StrictValueWithNoDeps))

                .build());



        addParameter(

            DefineParam(mBitrateMode, C2_PARAMKEY_BITRATE_MODE)

                .withDefault(new C2StreamBitrateModeTuning::output(

                        0u, C2Config::BITRATE_VARIABLE))

                .withFields({

                    C2F(mBitrateMode, value).oneOf({

                        C2Config::BITRATE_CONST,

                        C2Config::BITRATE_VARIABLE})

                })

                .withSetter(

                    Setter<decltype(*mBitrateMode)>::StrictValueWithNoDeps)

                .build());



        addParameter(

                DefineParam(mBitrate, C2_PARAMKEY_BITRATE)

                .withDefault(new C2StreamBitrateInfo::output(0u, 128000))
@@ -100,12 +113,14 @@ public: 
    uint32_t getSampleRate() const { return mSampleRate->value; }

    uint32_t getChannelCount() const { return mChannelCount->value; }

    uint32_t getBitrate() const { return mBitrate->value; }

    uint32_t getBitrateMode() const { return mBitrateMode->value; }

    uint32_t getComplexity() const { return mComplexity->value; }



private:

    std::shared_ptr<C2StreamSampleRateInfo::input> mSampleRate;

    std::shared_ptr<C2StreamChannelCountInfo::input> mChannelCount;

    std::shared_ptr<C2StreamBitrateInfo::output> mBitrate;

    std::shared_ptr<C2StreamBitrateModeTuning::output> mBitrateMode;

    std::shared_ptr<C2StreamComplexityTuning::output> mComplexity;

    std::shared_ptr<C2StreamMaxBufferSizeInfo::input> mInputMaxBufSize;

};
@@ -135,6 +150,7 @@ c2_status_t C2SoftOpusEnc::configureEncoder() { 
    mSampleRate = mIntf->getSampleRate();

    mChannelCount = mIntf->getChannelCount();

    uint32_t bitrate = mIntf->getBitrate();

    uint32_t bitrateMode = mIntf->getBitrateMode();

    int complexity = mIntf->getComplexity();

    mNumSamplesPerFrame = mSampleRate / (1000 / mFrameDurationMs);

    mNumPcmBytesPerInputFrame =
@@ -189,6 +205,7 @@ c2_status_t C2SoftOpusEnc::configureEncoder() { 
        return C2_BAD_VALUE;

    }



    if (bitrateMode == C2Config::BITRATE_VARIABLE) {

        // Constrained VBR

        if (opus_multistream_encoder_ctl(mEncoder, OPUS_SET_VBR(1) != OPUS_OK)) {

            ALOGE("failed to set vbr type");
@@ -199,6 +216,15 @@ c2_status_t C2SoftOpusEnc::configureEncoder() { 
            ALOGE("failed to set vbr constraint");

            return C2_BAD_VALUE;

        }

    } else if (bitrateMode == C2Config::BITRATE_CONST) {

        if (opus_multistream_encoder_ctl(mEncoder, OPUS_SET_VBR(0) != OPUS_OK)) {

            ALOGE("failed to set cbr type");

            return C2_BAD_VALUE;

        }

    } else {

        ALOGE("unknown bitrate mode");

        return C2_BAD_VALUE;

    }



    // Bitrate

    if (opus_multistream_encoder_ctl(mEncoder, OPUS_SET_BITRATE(bitrate)) !=

media/libstagefright/data/media_codecs_sw.xml

+1 −1
Original line number Diff line number Diff line
@@ -237,7 +237,7 @@ 
            <Limit name="sample-rate" ranges="8000,12000,16000,24000,48000" />

            <Limit name="bitrate" range="500-512000" />

            <Limit name="complexity" range="0-10"  default="5" />

            <Feature name="bitrate-modes" value="CBR" />

            <Feature name="bitrate-modes" value="CBR,VBR" />

        </MediaCodec>

        <MediaCodec name="c2.android.h263.encoder" type="video/3gpp">

            <Alias name="OMX.google.h263.encoder" />