virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00
Code Issues Releases Activity

bgr32to16, bgr32to15 (needed for palette stuff)

Browse Source 
paletteto 32,16,15bgr
all in c, will be optimized as soon as they are tested (assuming opt. is possible)

Originally committed as revision 2695 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
This commit is contained in:
Michael Niedermayer 2001-11-04 19:36:24 +00:00
parent 7d7f78b5a4
commit fcfbc150aa
3 changed files with 124 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

57
postproc/rgb2rgb.c
View File

@ -170,3 +170,60 @@ void rgb15to16(const uint8_t *src,uint8_t *dst,uint32_t src_size)
} }
#endif #endif
} }
/**
* Pallete is assumed to contain bgr32
*/
void palette8torgb32(uint8_t *src, uint8_t *dst, int src_size, uint8_t *palette)
{
int i;
for(i=0; i<src_size; i++)
((uint32_t *)dst)[i] = ((uint32_t *)palette)[ src[i] ];
}
void rgb32to16(uint8_t *src, uint8_t *dst, int src_size)
{
int i;
for(i=0; i<src_size; i+=4)
{
const int b= src[i+0];
const int g= src[i+1];
const int r= src[i+2];
((uint16_t *)dst)[i]= (b>>3) | ((g&0xFC)<<3) | ((r&0xF8)<<8);
}
}
void rgb32to15(uint8_t *src, uint8_t *dst, int src_size)
{
int i;
for(i=0; i<src_size; i+=4)
{
const int b= src[i+0];
const int g= src[i+1];
const int r= src[i+2];
((uint16_t *)dst)[i]= (b>>3) | ((g&0xF8)<<3) | ((r&0xF8)<<7);
}
}
/**
* Palette is assumed to contain bgr16, see rgb32to16 to convert the palette
*/
void palette8torgb16(uint8_t *src, uint8_t *dst, int src_size, uint8_t *palette)
{
int i;
for(i=0; i<src_size; i++)
((uint16_t *)dst)[i] = ((uint16_t *)palette)[ src[i] ];
}
/**
* Pallete is assumed to contain bgr15, see rgb32to15 to convert the palette
*/
void palette8torgb15(uint8_t *src, uint8_t *dst, int src_size, uint8_t *palette)
{
int i;
for(i=0; i<src_size; i++)
((uint16_t *)dst)[i] = ((uint16_t *)palette)[ src[i] ];
}

7
postproc/rgb2rgb.h
View File

@ -11,4 +11,11 @@ extern void rgb24to32(const uint8_t *src,uint8_t *dst,uint32_t src_size);
extern void rgb32to24(const uint8_t *src,uint8_t *dst,uint32_t src_size); extern void rgb32to24(const uint8_t *src,uint8_t *dst,uint32_t src_size);
extern void rgb15to16(const uint8_t *src,uint8_t *dst,uint32_t src_size); extern void rgb15to16(const uint8_t *src,uint8_t *dst,uint32_t src_size);
void rgb32to16(uint8_t *src, uint8_t *dst, int src_size);
void rgb32to15(uint8_t *src, uint8_t *dst, int src_size);
void palette8torgb32(uint8_t *src, uint8_t *dst, int src_size, uint8_t *palette);
void palette8torgb16(uint8_t *src, uint8_t *dst, int src_size, uint8_t *palette);
void palette8torgb15(uint8_t *src, uint8_t *dst, int src_size, uint8_t *palette);
#endif #endif

57
postproc/rgb2rgb_template.c
View File

@ -170,3 +170,60 @@ void rgb15to16(const uint8_t *src,uint8_t *dst,uint32_t src_size)
} }
#endif #endif
} }
/**
* Pallete is assumed to contain bgr32
*/
void palette8torgb32(uint8_t *src, uint8_t *dst, int src_size, uint8_t *palette)
{
int i;
for(i=0; i<src_size; i++)
((uint32_t *)dst)[i] = ((uint32_t *)palette)[ src[i] ];
}
void rgb32to16(uint8_t *src, uint8_t *dst, int src_size)
{
int i;
for(i=0; i<src_size; i+=4)
{
const int b= src[i+0];
const int g= src[i+1];
const int r= src[i+2];
((uint16_t *)dst)[i]= (b>>3) | ((g&0xFC)<<3) | ((r&0xF8)<<8);
}
}
void rgb32to15(uint8_t *src, uint8_t *dst, int src_size)
{
int i;
for(i=0; i<src_size; i+=4)
{
const int b= src[i+0];
const int g= src[i+1];
const int r= src[i+2];
((uint16_t *)dst)[i]= (b>>3) | ((g&0xF8)<<3) | ((r&0xF8)<<7);
}
}
/**
* Palette is assumed to contain bgr16, see rgb32to16 to convert the palette
*/
void palette8torgb16(uint8_t *src, uint8_t *dst, int src_size, uint8_t *palette)
{
int i;
for(i=0; i<src_size; i++)
((uint16_t *)dst)[i] = ((uint16_t *)palette)[ src[i] ];
}
/**
* Pallete is assumed to contain bgr15, see rgb32to15 to convert the palette
*/
void palette8torgb15(uint8_t *src, uint8_t *dst, int src_size, uint8_t *palette)
{
int i;
for(i=0; i<src_size; i++)
((uint16_t *)dst)[i] = ((uint16_t *)palette)[ src[i] ];
}