Function hb_stream_title_scan

libhb/stream.c:1061–1145

* hb_ps_stream_title_scan *********************************************************************** * **********************************************************************/

 *
 **********************************************************************/
hb_title_t * hb_stream_title_scan(hb_stream_t *stream, hb_title_t * title)
{
    if ( stream->hb_stream_type == ffmpeg )
        return ffmpeg_title_scan( stream, title );

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

    // Figure out how many audio streams we really have:
    // - For transport streams, for each PID listed in the PMT (whether
    //   or not it was an audio stream type) read the bitstream until we
    //   find an packet from that PID containing a PES header and see if
    //   the elementary stream is an audio type.
    // - For program streams read the first 4MB and take every unique
    //   audio stream we find.
    hb_init_audio_list(stream, title);
    hb_init_subtitle_list(stream, title);

    // set the video id, codec & muxer
    int idx = pes_index_of_video( stream );
    if ( idx < 0 )
    {
        hb_title_close( &title );
        return NULL;
    }

    title->video_id = get_id( &stream->pes.list[idx] );
    title->video_codec = stream->pes.list[idx].codec;
    title->video_codec_param = stream->pes.list[idx].codec_param;
    title->video_timebase.num = 1;
    title->video_timebase.den = 90000;

    if (stream->hb_stream_type == transport)
    {
        title->demuxer = HB_TS_DEMUXER;

        // make sure we're grabbing the PCR PID
        update_ts_streams( stream, stream->pmt_info.PCR_PID, 0, -1, P, NULL );
    }
    else
    {
        title->demuxer = HB_PS_DEMUXER;
    }

    // IDRs will be search for in hb_stream_duration
    stream->has_IDRs = 0;
    hb_stream_duration(stream, title);