Method CreateDecoder

decoder/LAVVideo/LAVVideo.cpp:654–845

};

HRESULT CLAVVideo::CreateDecoder(const CMediaType *pmt)
{
    DbgLog((LOG_TRACE, 10, L"::CreateDecoder(): Creating new decoder..."));
    HRESULT hr = S_OK;

    AVCodecID codec = FindCodecId(pmt);
    if (codec == AV_CODEC_ID_NONE)
    {
        return VFW_E_TYPE_NOT_ACCEPTED;
    }

    // Check if codec is activated
    for (int i = 0; i < Codec_VideoNB; ++i)
    {
        const codec_config_t *config = get_codec_config((LAVVideoCodec)i);
        bool bMatched = false;
        for (int k = 0; k < config->nCodecs; ++k)
        {
            if (config->codecs[k] == codec)
            {
                bMatched = true;
                break;
            }
        }
        if (bMatched && !m_settings.bFormats[i])
        {
            DbgLog((LOG_TRACE, 10, L"-> Codec is disabled"));
            return VFW_E_TYPE_NOT_ACCEPTED;
        }
    }

    if (codec == AV_CODEC_ID_H264_MVC && !m_settings.bH264MVCOverride)
    {
        DbgLog((LOG_TRACE, 10, L"-> H.264 MVC override, refusing"));
        return VFW_E_TYPE_NOT_ACCEPTED;
    }

    ILAVPinInfo *pPinInfo = nullptr;
    hr = FindPinIntefaceInGraph(m_pInput, IID_ILAVPinInfo, (void **)&pPinInfo);
    if (SUCCEEDED(hr))
    {
        memset(&m_LAVPinInfo, 0, sizeof(m_LAVPinInfo));

        m_LAVPinInfoValid = TRUE;
        m_LAVPinInfo.flags = pPinInfo->GetStreamFlags();
        m_LAVPinInfo.pix_fmt = (AVPixelFormat)pPinInfo->GetPixelFormat();
        m_LAVPinInfo.has_b_frames = pPinInfo->GetHasBFrames();

        SafeRelease(&pPinInfo);
    }
    else
    {
        m_LAVPinInfoValid = FALSE;
    }

    // Clear old sidedata
    memset(&m_SideData, 0, sizeof(m_SideData));