else if (filter->type == MPEGTS_PES) av_freep(&filter->u.pes_filter.opaque);
void mpegts_close_filter(MpegTSContext *ts, MpegTSFilter *filter){    int pid;    pid = filter->pid;    if (filter->type == MPEGTS_SECTION)        av_freep(&filter->u.section_filter.section_buf);    av_free(filter);    ts->pids[pid] = NULL;}