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| author | Michael Niedermayer <michael@niedermayer.cc> | 2015-09-30 13:10:48 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2015-10-01 00:58:46 +0200 |
| commit | dabea74d0e82ea80cd344f630497cafcb3ef872c (patch) | |
| tree | e339303948803b99ee66d75f86cbf9ff9f91285c /libavcodec/vp8.c | |
| parent | 30ce6fd1069e6e65edae03da162871df896e5283 (diff) | |
| download | ffmpeg-dabea74d0e82ea80cd344f630497cafcb3ef872c.tar.gz | |
avcodec/vp8: Do not use num_coeff_partitions in thread/buffer setup
The variable is not a constant and can lead to race conditions
Fixes: repro.webm (not reproducable with FFmpeg alone)
Found-by: Dale Curtis <dalecurtis@google.com>
Tested-by: Dale Curtis <dalecurtis@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/vp8.c')
| -rw-r--r-- | libavcodec/vp8.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/vp8.c b/libavcodec/vp8.c index 730871a12d..cb0c7cdc02 100644 --- a/libavcodec/vp8.c +++ b/libavcodec/vp8.c @@ -164,7 +164,7 @@ int update_dimensions(VP8Context *s, int width, int height, int is_vp7) s->mb_height = (s->avctx->coded_height + 15) / 16; s->mb_layout = is_vp7 || avctx->active_thread_type == FF_THREAD_SLICE && - FFMIN(s->num_coeff_partitions, avctx->thread_count) > 1; + avctx->thread_count > 1; if (!s->mb_layout) { // Frame threading and one thread s->macroblocks_base = av_mallocz((s->mb_width + s->mb_height * 2 + 1) * sizeof(*s->macroblocks)); |