avcodec/h264_direct: Fix runtime error: left shift of negative value -14

Fixes: 682/clusterfuzz-testcase-4799120021651456

Michael Niedermayer committed 9 years ago

Commit 4bd3f1c1 parent 2c00b371 file · +1 −1Browse files

Unified · Split

@@ -614,7 +614,7 @@ single_col: · 613 unmodified lines
614		614
615	{	615	{
616	const int16_t mv_col = l1mv[x8 3 + y8 * b4_stride];	616	const int16_t mv_col = l1mv[x8 3 + y8 * b4_stride];
617	int my_col = (mv_col[1] << y_shift) / 2;	617	int my_col = (mv_col[1] * (1 << y_shift)) / 2;
618	int mx = (scale * mv_col[0] + 128) >> 8;	618	int mx = (scale * mv_col[0] + 128) >> 8;
619	int my = (scale * my_col + 128) >> 8;	619	int my = (scale * my_col + 128) >> 8;
620	fill_rectangle(&sl->mv_cache[0][scan8[i8 * 4]], 2, 2, 8,	620	fill_rectangle(&sl->mv_cache[0][scan8[i8 * 4]], 2, 2, 8,

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