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vp8: update frame size changes on thread context switches.

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This properly synchronizes frame size changes between threads if
subsequent threads abort decoding before frame size is initialized, i.e.
it prevents the thread after that from ping-ponging back to the original
value.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
This commit is contained in:
Ronald S. Bultje
2012-05-01 09:59:04 -07:00
parent bec207f9f9
commit 82a0497cf3
1 changed files with 2 additions and 0 deletions
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2
libavcodec/vp8.c
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@@ -1833,6 +1833,8 @@ static int vp8_decode_update_thread_context(AVCodecContext *dst, const AVCodecCo
(s_src->mb_width != s->mb_width || s_src->mb_height != s->mb_height)) {
free_buffers(s);
s->maps_are_invalid = 1;
s->mb_width = s_src->mb_width;
s->mb_height = s_src->mb_height;
}
s->prob[0] = s_src->prob[!s_src->update_probabilities];