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check return value of url_fseek in mpegts_get_pcr

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elupus 2008-08-27 20:07:51 +02:00 committed by Michael Niedermayer
parent 880e83827f
commit 0a90b6a43e
1 changed files with 2 additions and 1 deletions
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3
libavformat/mpegts.c
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@ -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) &&