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avfilter/drawutils: honor shift for color component description

This commit is contained in:
Timo Rothenpieler 2016-08-31 11:25:25 +02:00
parent d3a23b6777
commit 2625b955a3
1 changed files with 2 additions and 1 deletions
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3
libavfilter/drawutils.c
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@ -253,7 +253,8 @@ void ff_draw_color(FFDrawContext *draw, FFDrawColor *color, const uint8_t rgba[4
#define EXPAND(compn) \
if (desc->comp[compn].depth > 8) \
color->comp[desc->comp[compn].plane].u16[desc->comp[compn].offset] = \
color->comp[desc->comp[compn].plane].u8[desc->comp[compn].offset] << (draw->desc->comp[compn].depth - 8)
color->comp[desc->comp[compn].plane].u8[desc->comp[compn].offset] << \
(draw->desc->comp[compn].depth + draw->desc->comp[compn].shift - 8)
EXPAND(3);
EXPAND(2);
EXPAND(1);