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simpler & faster 

Originally committed as revision 9431 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
This commit is contained in:
Michael Niedermayer 2003-02-15 13:04:17 +00:00
parent bba9b16c26
commit deb2277c0d
1 changed files with 15 additions and 29 deletions
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44
postproc/rgb2rgb_template.c
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@ -364,20 +364,9 @@ static inline void RENAME(rgb32to16)(const uint8_t *src, uint8_t *dst, unsigned
#endif
while(s < end)
{
#ifndef WORDS_BIGENDIAN
const int b= *s++;
const int g= *s++;
const int r= *s++;
#else
const int a= *s++; /*skip*/
const int r= *s++;
const int g= *s++;
const int b= *s++;
#endif
*d++ = (b>>3) | ((g&0xFC)<<3) | ((r&0xF8)<<8);
#ifndef WORDS_BIGENDIAN
s++;
#endif
const int src= *((uint32_t*)s)++;
*d++ = ((src&0xFF)>>3) + ((src&0xFC00)>>5) + ((src&0xF80000)>>8);
// *d++ = ((src>>3)&0x1F) + ((src>>5)&0x7E0) + ((src>>8)&0xF800);
}
}
@ -437,11 +426,8 @@ static inline void RENAME(rgb32tobgr16)(const uint8_t *src, uint8_t *dst, unsign
#endif
while(s < end)
{
const int r= *s++;
const int g= *s++;
const int b= *s++;
*d++ = (b>>3) | ((g&0xFC)<<3) | ((r&0xF8)<<8);
s++;
const int src= *((uint32_t*)s)++;
*d++ = ((src&0xF8)<<8) + ((src&0xFC00)>>5) + ((src&0xF80000)>>19);
}
}
@ -501,11 +487,8 @@ static inline void RENAME(rgb32to15)(const uint8_t *src, uint8_t *dst, unsigned
#endif
while(s < end)
{
const int b= *s++;
const int g= *s++;
const int r= *s++;
*d++ = (b>>3) | ((g&0xF8)<<2) | ((r&0xF8)<<7);
s++;
const int src= *((uint32_t*)s)++;
*d++ = ((src&0xFF)>>3) + ((src&0xF800)>>6) + ((src&0xF80000)>>9);
}
}
@ -565,11 +548,8 @@ static inline void RENAME(rgb32tobgr15)(const uint8_t *src, uint8_t *dst, unsign
#endif
while(s < end)
{
const int r= *s++;
const int g= *s++;
const int b= *s++;
*d++ = (b>>3) | ((g&0xF8)<<2) | ((r&0xF8)<<7);
s++;
const int src= *((uint32_t*)s)++;
*d++ = ((src&0xF8)<<7) + ((src&0xF800)>>6) + ((src&0xF80000)>>19);
}
}
@ -1187,12 +1167,18 @@ static inline void RENAME(rgb15to32)(const uint8_t *src, uint8_t *dst, unsigned
#endif
while(s < end)
{
#if 0 //slightly slower on athlon
int bgr= *s++;
*((uint32_t*)d)++ = ((bgr&0x1F)<<3) + ((bgr&0x3E0)<<6) + ((bgr&0x7C00)<<9);
#else
//FIXME this is very likely wrong for bigendian (and the following converters too)
register uint16_t bgr;
bgr = *s++;
*d++ = (bgr&0x1F)<<3;
*d++ = (bgr&0x3E0)>>2;
*d++ = (bgr&0x7C00)>>7;
*d++ = 0;
#endif
}
}