int pcr_l, pcr_pid = ((PESContext*)s->streams[stream_index]->priv_data)->pcr_pid;
pos = ((*ppos + ts->raw_packet_size - 1 - ts->pos47) / ts->raw_packet_size) * ts->raw_packet_size + ts->pos47;
while(pos < pos_limit) {
- avio_seek(s->pb, pos, SEEK_SET);
+ if (avio_seek(s->pb, pos, SEEK_SET) < 0)
+ return AV_NOPTS_VALUE;
if (avio_read(s->pb, buf, TS_PACKET_SIZE) != TS_PACKET_SIZE)
return AV_NOPTS_VALUE;
if ((pcr_pid < 0 || (AV_RB16(buf + 1) & 0x1fff) == pcr_pid) &&