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vp9: switch min_tile_cols location so it shifts up instead of down. 

This fixes cases where the shifted number is 64, but we shifted non-
zero numbers away in the shift. The change makes behaviour consistent
with libvpx.
This commit is contained in:
Ronald S. Bultje 2015-09-14 14:50:47 -04:00
parent 0edf6c8b2a
commit a0d8a81075
1 changed files with 1 additions and 1 deletions
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2
libavcodec/vp9.c
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@ -823,7 +823,7 @@ static int decode_frame_header(AVCodecContext *ctx,
return res;
}
for (s->tiling.log2_tile_cols = 0;
(s->sb_cols >> s->tiling.log2_tile_cols) > 64;
s->sb_cols > (64 << s->tiling.log2_tile_cols);
s->tiling.log2_tile_cols++) ;
for (max = 0; (s->sb_cols >> max) >= 4; max++) ;
max = FFMAX(0, max - 1);