status_t ACodec::setupAACCodec(
 bool encoder, int32_t numChannels, int32_t sampleRate,
 int32_t bitRate, int32_t aacProfile, bool isADTS, int32_t sbrMode,
 int32_t maxOutputChannelCount, const drcParams_t& drc,
 int32_t pcmLimiterEnable) {
 if (encoder && isADTS) {
 return -EINVAL;
 }

 status_t err = setupRawAudioFormat(
            encoder ? kPortIndexInput : kPortIndexOutput,
            sampleRate,
            numChannels);

 if (err != OK) {
 return err;
 }

 if (encoder) {
        err = selectAudioPortFormat(kPortIndexOutput, OMX_AUDIO_CodingAAC);

 if (err != OK) {
 return err;
 }

        OMX_PARAM_PORTDEFINITIONTYPE def;
 InitOMXParams(&def);
        def.nPortIndex = kPortIndexOutput;

        err = mOMX->getParameter(
                mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));

 if (err != OK) {
 return err;
 }

        def.format.audio.bFlagErrorConcealment = OMX_TRUE;
        def.format.audio.eEncoding = OMX_AUDIO_CodingAAC;

        err = mOMX->setParameter(
                mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));

 if (err != OK) {
 return err;
 }

        OMX_AUDIO_PARAM_AACPROFILETYPE profile;
 InitOMXParams(&profile);
        profile.nPortIndex = kPortIndexOutput;

        err = mOMX->getParameter(
                mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));

 if (err != OK) {
 return err;
 }

        profile.nChannels = numChannels;

        profile.eChannelMode =
 (numChannels == 1)
 ? OMX_AUDIO_ChannelModeMono: OMX_AUDIO_ChannelModeStereo;

        profile.nSampleRate = sampleRate;
        profile.nBitRate = bitRate;
        profile.nAudioBandWidth = 0;
        profile.nFrameLength = 0;
        profile.nAACtools = OMX_AUDIO_AACToolAll;
        profile.nAACERtools = OMX_AUDIO_AACERNone;
        profile.eAACProfile = (OMX_AUDIO_AACPROFILETYPE) aacProfile;
        profile.eAACStreamFormat = OMX_AUDIO_AACStreamFormatMP4FF;
 switch (sbrMode) {
 case 0:
            profile.nAACtools &= ~OMX_AUDIO_AACToolAndroidSSBR;
            profile.nAACtools &= ~OMX_AUDIO_AACToolAndroidDSBR;
 break;
 case 1:
            profile.nAACtools |= OMX_AUDIO_AACToolAndroidSSBR;
            profile.nAACtools &= ~OMX_AUDIO_AACToolAndroidDSBR;
 break;
 case 2:
            profile.nAACtools &= ~OMX_AUDIO_AACToolAndroidSSBR;
            profile.nAACtools |= OMX_AUDIO_AACToolAndroidDSBR;
 break;
 case -1:
            profile.nAACtools |= OMX_AUDIO_AACToolAndroidSSBR;
            profile.nAACtools |= OMX_AUDIO_AACToolAndroidDSBR;
 break;
 default:
 return BAD_VALUE;
 }


        err = mOMX->setParameter(
                mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));

 if (err != OK) {
 return err;
 }

 return err;
 }

    OMX_AUDIO_PARAM_AACPROFILETYPE profile;
 InitOMXParams(&profile);
    profile.nPortIndex = kPortIndexInput;

    err = mOMX->getParameter(
            mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));

 if (err != OK) {
 return err;
 }

    profile.nChannels = numChannels;
    profile.nSampleRate = sampleRate;

    profile.eAACStreamFormat =
        isADTS
 ? OMX_AUDIO_AACStreamFormatMP4ADTS

             : OMX_AUDIO_AACStreamFormatMP4FF;
 
     OMX_AUDIO_PARAM_ANDROID_AACPRESENTATIONTYPE presentation;
    InitOMXParams(&presentation);
     presentation.nMaxOutputChannels = maxOutputChannelCount;
     presentation.nDrcCut = drc.drcCut;
     presentation.nDrcBoost = drc.drcBoost;
    presentation.nHeavyCompression = drc.heavyCompression;
    presentation.nTargetReferenceLevel = drc.targetRefLevel;
    presentation.nEncodedTargetLevel = drc.encodedTargetLevel;
    presentation.nPCMLimiterEnable = pcmLimiterEnable;

 status_t res = mOMX->setParameter(mNode, OMX_IndexParamAudioAac, &profile, sizeof(profile));
 if (res == OK) {
        mOMX->setParameter(mNode, (OMX_INDEXTYPE)OMX_IndexParamAudioAndroidAacPresentation,
 &presentation, sizeof(presentation));
 } else {
        ALOGW("did not set AudioAndroidAacPresentation due to error %d when setting AudioAac", res);
 }
 return res;
}

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.