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avcodec/ituh263dec: detect and warn about RTP

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Fixes Ticket925
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-08-24 23:06:59 +02:00
parent 5c6a58746b
commit f55a7ba037
1 changed files with 4 additions and 0 deletions
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4
libavcodec/ituh263dec.c
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@ -874,6 +874,10 @@ int ff_h263_decode_picture_header(MpegEncContext *s)
align_get_bits(&s->gb);
if (show_bits(&s->gb, 2) == 2 && s->avctx->frame_number == 0) {
av_log(s->avctx, AV_LOG_WARNING, "Header looks like RTP instead of H.263\n");
}
startcode= get_bits(&s->gb, 22-8);
for(i= get_bits_left(&s->gb); i>24; i-=8) {