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preserve alpha channel when converting rgb32 to bgr32 in plain C 

Originally committed as revision 23022 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
This commit is contained in:
Ivo van Poorten 2007-04-18 16:40:58 +00:00
parent 19b202f9d1
commit 3052ddb2a8
1 changed files with 1 additions and 1 deletions
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2
libswscale/rgb2rgb_template.c
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@ -1423,7 +1423,7 @@ static inline void RENAME(rgb32tobgr32)(const uint8_t *src, uint8_t *dst, long s
: "memory");
#endif
for (; idx<15; idx+=4) {
register int v = *(uint32_t *)&s[idx], g = v & 0xff00;
register int v = *(uint32_t *)&s[idx], g = v & 0xff00ff00;
v &= 0xff00ff;
*(uint32_t *)&d[idx] = (v>>16) + g + (v<<16);
}