C++ (Cpp) ScanStreams示例

示例#1

文件： avformatdecoderdvd.cpp 项目： ChristopherNeufeld/mythtv

void AvFormatDecoderDVD::StreamChangeCheck(void)
{
    if (!ringBuffer->IsDVD())
        return;

    // Update the title length
    if (m_parent->AtNormalSpeed() &&
        ringBuffer->DVD()->PGCLengthChanged())
    {
        ResetPosMap();
        SyncPositionMap();
        UpdateFramesPlayed();
    }

    // rescan the non-video streams as necessary
    if (ringBuffer->DVD()->AudioStreamsChanged())
        ScanStreams(true);

    // Always use the first video stream
    // (must come after ScanStreams above)
    for (uint i = 0; i < ic->nb_streams; i++)
    {
        AVStream *st = ic->streams[i];
        if (st && st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
        {
            selectedTrack[kTrackTypeVideo].av_stream_index = i;
            break;
        }
    }
}

示例#2

文件： avformatdecoderdvd.cpp 项目： Openivo/mythtv

void AvFormatDecoderDVD::StreamChangeCheck(void)
{
    if (!ringBuffer->IsDVD())
        return;

    // Update the title length
    if (m_parent->AtNormalSpeed() &&
        ringBuffer->DVD()->PGCLengthChanged())
    {
        ResetPosMap();
        SyncPositionMap();
        UpdateFramesPlayed();
    }

    // rescan the non-video streams as necessary
    if (ringBuffer->DVD()->AudioStreamsChanged())
        ScanStreams(true);

    // Always use the first video stream
    // (must come after ScanStreams above)
    selectedTrack[kTrackTypeVideo].av_stream_index = 0;
}