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Check extradata size on resolution change.

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Ignore resolution change if resolution not defined in extradata.

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
(cherry picked from commit 09c5f990bc)
This commit is contained in:
Reimar Döffinger 2011-07-17 15:22:36 +02:00 committed by Michael Niedermayer
parent 77dafced71
commit 5c2d684986
1 changed files with 5 additions and 0 deletions
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5
libavcodec/rv30.c
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@ -51,6 +51,11 @@ static int rv30_parse_slice_header(RV34DecContext *r, GetBitContext *gb, SliceIn
skip_bits1(gb);
si->pts = get_bits(gb, 13);
rpr = get_bits(gb, r->rpr);
if (r->s.avctx->extradata_size < 8 + rpr*2) {
av_log(r->s.avctx, AV_LOG_WARNING,
"Extradata does not contain selected resolution\n");
rpr = 0;
}
if(rpr){
w = r->s.avctx->extradata[6 + rpr*2] << 2;
h = r->s.avctx->extradata[7 + rpr*2] << 2;