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avcodec/svq1enc: Check dimensions 

Fixes assertion failure

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 88fe45e0fe)

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2015-08-15 14:54:36 +02:00
parent 94541f5f76
commit d165ec179e
1 changed files with 5 additions and 0 deletions
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5
libavcodec/svq1enc.c
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@ -515,6 +515,11 @@ static av_cold int svq1_encode_init(AVCodecContext *avctx)
SVQ1EncContext *const s = avctx->priv_data;
int ret;
if (avctx->width >= 4096 || avctx->height >= 4096) {
av_log(avctx, AV_LOG_ERROR, "Dimensions too large, maximum is 4095x4095\n");
return AVERROR(EINVAL);
}
ff_hpeldsp_init(&s->hdsp, avctx->flags);
ff_me_cmp_init(&s->mecc, avctx);
ff_mpegvideoencdsp_init(&s->m.mpvencdsp, avctx);