avformat/mpegts: check avio_tell() return code before using it

Fixes Ticket2962 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avformat/mpegts: check avio_tell() return code before using it
Fixes Ticket2962 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
5dc6c0ea · Michael Niedermayer · e0249537 · 5dc6c0ea
Commit 5dc6c0ea authored Sep 26, 2013 by Michael Niedermayer
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Showing with 4 additions and 2 deletions

mpegts.c libavformat/mpegts.c +4 -2

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--- a/libavformat/mpegts.c
+++ b/libavformat/mpegts.c
@@ -1862,8 +1862,10 @@ static int handle_packet(MpegTSContext *ts, const uint8_t *packet)
        return 0;

    pos = avio_tell(ts->stream->pb);
+    if (pos >= 0) {
        av_assert0(pos >= TS_PACKET_SIZE);
        ts->pos47_full = pos - TS_PACKET_SIZE;
+    }

    if (tss->type == MPEGTS_SECTION) {
        if (is_start) {