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vp9: Fix emu[] edge overflow conditions for >8bpp/non-420.

This commit is contained in:
Ronald S. Bultje 2015-09-11 13:59:17 -04:00
parent 2563a33856
commit a30a8beeb3
1 changed files with 2 additions and 2 deletions
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4
libavcodec/vp9.c
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@ -3301,9 +3301,9 @@ static void decode_b(AVCodecContext *ctx, int row, int col,
// emulated overhangs if the stride of the target buffer can't hold. This
// makes it possible to support emu-edge and so on even if we have large block
// overhangs
emu[0] = (col + w4) * 8 > f->linesize[0] ||
emu[0] = (col + w4) * 8 * bytesperpixel > f->linesize[0] ||
(row + h4) > s->rows;
emu[1] = (col + w4) * 4 > f->linesize[1] ||
emu[1] = ((col + w4) * 8 >> s->ss_h) * bytesperpixel > f->linesize[1] ||
(row + h4) > s->rows;
if (emu[0]) {
s->dst[0] = s->tmp_y;