diff options
Diffstat (limited to 'postproc/rgb2rgb.c')
| -rw-r--r-- | postproc/rgb2rgb.c | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/postproc/rgb2rgb.c b/postproc/rgb2rgb.c index 19fa7faca0..5779bf5e30 100644 --- a/postproc/rgb2rgb.c +++ b/postproc/rgb2rgb.c @@ -216,53 +216,57 @@ void palette8torgb24(const uint8_t *src, uint8_t *dst, unsigned num_pixels, cons void rgb32to16(const uint8_t *src, uint8_t *dst, unsigned src_size) { - unsigned i,num_pixels=src_size/4; - for(i=0; i<num_pixels; i+=4) + unsigned j,i,num_pixels=src_size/4; + uint16_t *d = (uint16_t *)dst; + for(i=0,j=0; j<num_pixels; i+=4,j++) { 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); + d[j]= (b>>3) | ((g&0xFC)<<3) | ((r&0xF8)<<8); } } void rgb32to15(const uint8_t *src, uint8_t *dst, unsigned src_size) { - unsigned i,num_pixels=src_size/4; - for(i=0; i<num_pixels; i+=4) + unsigned j,i,num_pixels=src_size/4; + uint16_t *d = (uint16_t *)dst; + for(i=0,j=0; j<num_pixels; i+=4,j++) { 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); + d[j]= (b>>3) | ((g&0xF8)<<3) | ((r&0xF8)<<7); } } void rgb24to16(const uint8_t *src, uint8_t *dst, unsigned src_size) { - unsigned i,num_pixels=src_size/3; - for(i=0; i<num_pixels; i+=3) + unsigned j,i,num_pixels=src_size/3; + uint16_t *d = (uint16_t *)dst; + for(i=0,j=0; j<num_pixels; i+=3,j++) { 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); + d[j]= (b>>3) | ((g&0xFC)<<3) | ((r&0xF8)<<8); } } void rgb24to15(const uint8_t *src, uint8_t *dst, unsigned src_size) { - unsigned i,num_pixels=src_size/3; - for(i=0; i<num_pixels; i+=3) + unsigned j,i,num_pixels=src_size/3; + uint16_t *d = (uint16_t *)dst; + for(i=0,j=0; j<num_pixels; i+=3,j++) { 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); + d[j]= (b>>3) | ((g&0xF8)<<3) | ((r&0xF8)<<7); } } |