Function ffmpeg_title_scan

libhb/stream.c:6034–6332

}

static hb_title_t *ffmpeg_title_scan( hb_stream_t *stream, hb_title_t *title )
{
    AVFormatContext *ic = stream->ffmpeg_ic;

    // 'Barebones Title'
    title->type = HB_FF_STREAM_TYPE;

    // Copy part of the stream path to the title name
    char * name = stream->path;
    char * sep = hb_strr_dir_sep(stream->path);
    if (sep)
        name = sep + 1;
    title->name = strdup(name);
    char *dot_term = strrchr(title->name, '.');
    if (dot_term)
        *dot_term = '\0';

    if (ic->duration > 0)
    {
        uint64_t dur = ic->duration * 90000 / AV_TIME_BASE;
        title->duration = dur;
        dur /= 90000;
        title->hours    = dur / 3600;
        title->minutes  = ( dur % 3600 ) / 60;
        title->seconds  = dur % 60;
    }

    // set the title to decode the first video stream in the file
    title->demuxer = HB_NULL_DEMUXER;
    title->video_codec = 0;
    int i;
    for (i = 0; i < ic->nb_streams; ++i )
    {
        AVStream * st = ic->streams[i];

        if ( st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
           !(st->disposition & AV_DISPOSITION_ATTACHED_PIC) &&
             avcodec_find_decoder( st->codecpar->codec_id ) &&
             title->video_codec == 0 )
        {
            AVCodecParameters *codecpar = st->codecpar;
            // Check for unsupported pixel formats.
            // Exclude 'NONE' from check since we may not know this
            // information yet.
            if ( codecpar->format != AV_PIX_FMT_NONE &&
                 !sws_isSupportedInput( codecpar->format ) )
            {
                hb_log( "ffmpeg_title_scan: Unsupported pixel format (%d)",
                        codecpar->format );
                continue;
            }
            title->video_id = i;
            stream->ffmpeg_video_id = i;
            if ( st->sample_aspect_ratio.num &&
                 st->sample_aspect_ratio.den )
            {
                title->geometry.par.num = st->sample_aspect_ratio.num;
                title->geometry.par.den = st->sample_aspect_ratio.den;