diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c index 34f1c967b3..011868e059 100644 --- a/libavformat/mpegts.c +++ b/libavformat/mpegts.c @@ -1720,7 +1720,8 @@ static int64_t mpegts_get_pcr(AVFormatContext *s, int stream_index, 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) &&