C++ (Cpp) openDecoder Exemples

Exemple #1

Fichier : SPRDMP3Decoder.cpp Projet : AndiNR/android_device_samsung_kanas3gxx-1

SPRDMP3Decoder::SPRDMP3Decoder(
    const char *name,
    const OMX_CALLBACKTYPE *callbacks,
    OMX_PTR appData,
    OMX_COMPONENTTYPE **component)
    : SprdSimpleOMXComponent(name, callbacks, appData, component),
      mNumChannels(2),
      mSamplingRate(44100),
      mBitRate(0),
      mNextMdBegin(0),
      mPreFilledLen(0),
      mMaxFrameBuf(NULL),
      mLastInTimeUs(0),
      mAnchorTimeUs(0),
      mNumFramesOutput(0),
      mEOSFlag(false),
      mSignalledError(false),
      mLibHandle(NULL),
      mOutputPortSettingsChange(NONE),
      mMP3_ARM_DEC_Construct(NULL),
      mMP3_ARM_DEC_Deconstruct(NULL),
      mMP3_ARM_DEC_InitDecoder(NULL),
      mMP3_ARM_DEC_DecodeFrame(NULL) {
    bool ret = false;
    ret = openDecoder("libomx_mp3dec_sprd.so");
    CHECK_EQ(ret, true);
    initPorts();
    initDecoder();
}

Exemple #2

Fichier : OMXAudioPlayer.cpp Projet : jvcleave/ofxOMXPlayer

bool OMXAudioPlayer::open(StreamInfo& hints,
                          OMXClock *av_clock,
                          OMXReader *omx_reader,
                          std::string device)
{
    if(ThreadHandle())
    {
        close();
    }

    if (!av_clock)
    {
        return false;
    }


    omxStreamInfo   = hints;
    omxClock        = av_clock;
    omxReader       = omx_reader;
    deviceName      = device;
    currentPTS      = DVD_NOPTS_VALUE;
    doAbort         = false;
    doFlush         = false;
    cachedSize      = 0;
    audioCodecOMX   = NULL;
    channelMap      = NULL;
    speed           = DVD_PLAYSPEED_NORMAL;

// omxClock->SetMasterClock(false);

    bool success  = openCodec();
    if(!success)
    {
        ofLogError(__func__) << "openCodec: " << success;
        close();
        return success;
    }

    success = openDecoder();
    if(!success)
    {
        ofLogError(__func__) << "openDecoder: " << success;
        close();
        return success;
    }

    Create();

    isOpen        = true;

    return true;
}

Exemple #3

Fichier : soundsourcem4a.cpp Projet : djsteph/mixxx

bool SoundSourceM4A::reopenDecoder() {
    closeDecoder();
    return openDecoder();
}

Exemple #4

Fichier : thumbnail_demo.cpp Projet : coloriy/thumbnail_demo

int getFrameAt(int64_t timeUs, int width, int height)
{
    int ret = -1;
    AVFrame* pFrame = NULL;

    ret = avformat_seek_file(m_pFormatContext, -1, INT16_MIN, timeUs, INT16_MAX, 0);

    pFrame = av_frame_alloc();
    m_pThumbFrame = av_frame_alloc();
    ret = openDecoder();
    if (ret != 0)
    {
        av_frame_free(&pFrame);
        av_frame_free(&m_pThumbFrame);
        return ret;
    }
#ifdef DEBUG_SPEND_TIME
#ifdef _WIN32
    DWORD start_time = timeGetTime();
#else
    struct timeval start, end;
    gettimeofday(&start, NULL);
#endif
#endif

    ret = decodeOneFrame(pFrame);
    if (ret < 0)
    {
        av_frame_free(&pFrame);
        av_frame_free(&m_pThumbFrame);
        return ret;
    }
#ifdef DEBUG_SPEND_TIME
#ifdef _WIN32
    DWORD end_time = timeGetTime();
    printf("decodeOneFrame spend time = %d ms\n", end_time - start_time);
#else
    gettimeofday(&end, NULL);
    int spend_time = (end.tv_sec - start.tv_sec) * 1000 + (end.tv_usec - start.tv_usec) / 1000;
    printf("spend_time = %d ms\n", spend_time);
#endif
#endif

    ret = getThumbnail(pFrame, m_pThumbFrame, width, height);
    if (ret < 0)
    {
        av_frame_free(&pFrame);
        av_frame_free(&m_pThumbFrame);
        return ret;
    }

    // save the rgb565
    FILE *pFile = fopen(strThumbFileName, "ab");
    if (pFile)
    {
        fwrite(m_pThumbFrame->data[0], 1, m_pThumbFrame->width * m_pThumbFrame->height * 2, pFile);
        fclose(pFile);
    }

    av_frame_free(&pFrame);
    av_frame_free(&m_pThumbFrame);

    closeDecoder();

    return ret;
}