Something

       if (len > 0 &&
            curstream->codec->codec_type == CODEC_TYPE_DATA &&
            curstream->codec->codec_id   == CODEC_ID_DVB_PRIVSEC)
        {
            ProcessPrivSecDataPacket(curstream, pkt);

            av_free_packet(pkt);
            parsed_privsec = true;
            continue;
        }

        // we don't care about other data streams
        if (curstream->codec->codec_type == CODEC_TYPE_DATA)
        {
            av_free_packet(pkt);
            continue;
        }

        if (!curstream->codec->codec)
        {
            VERBOSE(VB_PLAYBACK, LOC +
                    QString("No codec for stream index %1, type(%2) id(%3:%4)")
                    .arg(pkt->stream_index)
                    .arg(codec_type_string(curstream->codec->codec_type))
                    .arg(codec_id_string(curstream->codec->codec_id))
                    .arg(curstream->codec->codec_id));
            av_free_packet(pkt);
            continue;
        }