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vp9: fix memory corruption if header decoding fails after size change.

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This commit is contained in:
Ronald S. Bultje 2014-01-24 19:21:57 -05:00
parent c9e6325ed9
commit 4147b337c1
1 changed files with 2 additions and 1 deletions
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libavcodec/vp9.c
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@ -3772,7 +3772,8 @@ static int vp9_decode_update_thread_context(AVCodecContext *dst, const AVCodecCo
VP9Context *s = dst->priv_data, *ssrc = src->priv_data;
// detect size changes in other threads
if (s->above_partition_ctx && (s->cols != ssrc->cols || s->rows != ssrc->rows)) {
if (s->above_partition_ctx &&
(!ssrc->above_partition_ctx || s->cols != ssrc->cols || s->rows != ssrc->rows)) {
free_buffers(s);
}