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fixed palette8to{rgb24,bgr24,rgb32,bgr32} 

Originally committed as revision 7335 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
This commit is contained in:
Alex Beregszaszi 2002-09-09 16:18:47 +00:00
parent 0eaec10550
commit 9780c7ffa3
1 changed files with 22 additions and 18 deletions
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40
postproc/rgb2rgb.c
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@ -265,32 +265,36 @@ void rgb16to15(const uint8_t *src,uint8_t *dst,unsigned src_size)
void palette8torgb32(const uint8_t *src, uint8_t *dst, unsigned num_pixels, const uint8_t *palette) void palette8torgb32(const uint8_t *src, uint8_t *dst, unsigned num_pixels, const uint8_t *palette)
{ {
unsigned i; unsigned i;
/*
for(i=0; i<num_pixels; i++) for(i=0; i<num_pixels; i++)
((unsigned *)dst)[i] = ((unsigned *)palette)[ src[i] ]; ((unsigned *)dst)[i] = ((unsigned *)palette)[ src[i] ];
*/
for(i=0; i<num_pixels; i++)
{
//FIXME slow?
dst[0]= palette[ src[i]*4+2 ];
dst[1]= palette[ src[i]*4+1 ];
dst[2]= palette[ src[i]*4+0 ];
// dst[3]= 0; /* do we need this cleansing? */
dst+= 4;
}
} }
#if 0
void palette8tobgr32(const uint8_t *src, uint8_t *dst, unsigned num_pixels, const uint8_t *palette) void palette8tobgr32(const uint8_t *src, uint8_t *dst, unsigned num_pixels, const uint8_t *palette)
{ {
unsigned i; unsigned i;
for(i=0; i<num_pixels; i++) for(i=0; i<num_pixels; i++)
{ {
//FIXME slow? //FIXME slow?
dst[0]= palette[ src[i]*4+3 ]; dst[0]= palette[ src[i]*4+0 ];
dst[1]= palette[ src[i]*4+2 ]; dst[1]= palette[ src[i]*4+1 ];
dst[2]= palette[ src[i]*4+1 ]; dst[2]= palette[ src[i]*4+2 ];
dst[3]= palette[ src[i]*4+0 ]; // dst[3]= 0; /* do we need this cleansing? */
dst+= 4; dst+= 4;
} }
} }
#else
void palette8tobgr32(const uint8_t *src, uint8_t *dst, unsigned num_pixels, const uint8_t *palette)
{
unsigned i;
for(i=0; i<num_pixels; i++)
((unsigned *)dst)[i] = bswap_32(((unsigned *)palette)[ src[i] ]);
}
#endif
/** /**
* Pallete is assumed to contain bgr32 * Pallete is assumed to contain bgr32
@ -306,9 +310,9 @@ void palette8torgb24(const uint8_t *src, uint8_t *dst, unsigned num_pixels, cons
for(i=0; i<num_pixels; i++) for(i=0; i<num_pixels; i++)
{ {
//FIXME slow? //FIXME slow?
dst[0]= palette[ src[i]*4+0 ]; dst[0]= palette[ src[i]*4+2 ];
dst[1]= palette[ src[i]*4+1 ]; dst[1]= palette[ src[i]*4+1 ];
dst[2]= palette[ src[i]*4+2 ]; dst[2]= palette[ src[i]*4+0 ];
dst+= 3; dst+= 3;
} }
} }
@ -324,9 +328,9 @@ void palette8tobgr24(const uint8_t *src, uint8_t *dst, unsigned num_pixels, cons
for(i=0; i<num_pixels; i++) for(i=0; i<num_pixels; i++)
{ {
//FIXME slow? //FIXME slow?
dst[0]= palette[ src[i]*4+3 ]; dst[0]= palette[ src[i]*4+0 ];
dst[1]= palette[ src[i]*4+2 ]; dst[1]= palette[ src[i]*4+1 ];
dst[2]= palette[ src[i]*4+1 ]; dst[2]= palette[ src[i]*4+2 ];
dst+= 3; dst+= 3;
} }
} }