diff options
Diffstat (limited to 'contrib/ffmpeg/libswscale/rgb2rgb.c')
| -rw-r--r-- | contrib/ffmpeg/libswscale/rgb2rgb.c | 665 |
1 files changed, 0 insertions, 665 deletions
diff --git a/contrib/ffmpeg/libswscale/rgb2rgb.c b/contrib/ffmpeg/libswscale/rgb2rgb.c deleted file mode 100644 index a938abfc9..000000000 --- a/contrib/ffmpeg/libswscale/rgb2rgb.c +++ /dev/null @@ -1,665 +0,0 @@ -/* - * - * rgb2rgb.c, Software RGB to RGB convertor - * pluralize by Software PAL8 to RGB convertor - * Software YUV to YUV convertor - * Software YUV to RGB convertor - * Written by Nick Kurshev. - * palette & YUV & runtime CPU stuff by Michael (michaelni@gmx.at) - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * - * the C code (not assembly, mmx, ...) of this file can be used - * under the LGPL license too - */ -#include <inttypes.h> -#include "config.h" -#include "rgb2rgb.h" -#include "swscale.h" -#include "swscale_internal.h" -#include "x86_cpu.h" -#include "bswap.h" -#ifdef USE_FASTMEMCPY -#include "libvo/fastmemcpy.h" -#endif - -#define FAST_BGR2YV12 // use 7 bit coeffs instead of 15bit - -void (*rgb24to32)(const uint8_t *src,uint8_t *dst,long src_size); -void (*rgb24to16)(const uint8_t *src,uint8_t *dst,long src_size); -void (*rgb24to15)(const uint8_t *src,uint8_t *dst,long src_size); -void (*rgb32to24)(const uint8_t *src,uint8_t *dst,long src_size); -void (*rgb32to16)(const uint8_t *src,uint8_t *dst,long src_size); -void (*rgb32to15)(const uint8_t *src,uint8_t *dst,long src_size); -void (*rgb15to16)(const uint8_t *src,uint8_t *dst,long src_size); -void (*rgb15to24)(const uint8_t *src,uint8_t *dst,long src_size); -void (*rgb15to32)(const uint8_t *src,uint8_t *dst,long src_size); -void (*rgb16to15)(const uint8_t *src,uint8_t *dst,long src_size); -void (*rgb16to24)(const uint8_t *src,uint8_t *dst,long src_size); -void (*rgb16to32)(const uint8_t *src,uint8_t *dst,long src_size); -//void (*rgb24tobgr32)(const uint8_t *src, uint8_t *dst, long src_size); -void (*rgb24tobgr24)(const uint8_t *src, uint8_t *dst, long src_size); -void (*rgb24tobgr16)(const uint8_t *src, uint8_t *dst, long src_size); -void (*rgb24tobgr15)(const uint8_t *src, uint8_t *dst, long src_size); -void (*rgb32tobgr32)(const uint8_t *src, uint8_t *dst, long src_size); -//void (*rgb32tobgr24)(const uint8_t *src, uint8_t *dst, long src_size); -void (*rgb32tobgr16)(const uint8_t *src, uint8_t *dst, long src_size); -void (*rgb32tobgr15)(const uint8_t *src, uint8_t *dst, long src_size); - -void (*yv12toyuy2)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst, - long width, long height, - long lumStride, long chromStride, long dstStride); -void (*yv12touyvy)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst, - long width, long height, - long lumStride, long chromStride, long dstStride); -void (*yuv422ptoyuy2)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst, - long width, long height, - long lumStride, long chromStride, long dstStride); -void (*yuy2toyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, - long width, long height, - long lumStride, long chromStride, long srcStride); -void (*rgb24toyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, - long width, long height, - long lumStride, long chromStride, long srcStride); -void (*planar2x)(const uint8_t *src, uint8_t *dst, long width, long height, - long srcStride, long dstStride); -void (*interleaveBytes)(uint8_t *src1, uint8_t *src2, uint8_t *dst, - long width, long height, long src1Stride, - long src2Stride, long dstStride); -void (*vu9_to_vu12)(const uint8_t *src1, const uint8_t *src2, - uint8_t *dst1, uint8_t *dst2, - long width, long height, - long srcStride1, long srcStride2, - long dstStride1, long dstStride2); -void (*yvu9_to_yuy2)(const uint8_t *src1, const uint8_t *src2, const uint8_t *src3, - uint8_t *dst, - long width, long height, - long srcStride1, long srcStride2, - long srcStride3, long dstStride); - -#if defined(ARCH_X86) && defined(CONFIG_GPL) -static const uint64_t mmx_null __attribute__((aligned(8))) = 0x0000000000000000ULL; -static const uint64_t mmx_one __attribute__((aligned(8))) = 0xFFFFFFFFFFFFFFFFULL; -static const uint64_t mask32b attribute_used __attribute__((aligned(8))) = 0x000000FF000000FFULL; -static const uint64_t mask32g attribute_used __attribute__((aligned(8))) = 0x0000FF000000FF00ULL; -static const uint64_t mask32r attribute_used __attribute__((aligned(8))) = 0x00FF000000FF0000ULL; -static const uint64_t mask32 __attribute__((aligned(8))) = 0x00FFFFFF00FFFFFFULL; -static const uint64_t mask3216br __attribute__((aligned(8)))=0x00F800F800F800F8ULL; -static const uint64_t mask3216g __attribute__((aligned(8)))=0x0000FC000000FC00ULL; -static const uint64_t mask3215g __attribute__((aligned(8)))=0x0000F8000000F800ULL; -static const uint64_t mul3216 __attribute__((aligned(8))) = 0x2000000420000004ULL; -static const uint64_t mul3215 __attribute__((aligned(8))) = 0x2000000820000008ULL; -static const uint64_t mask24b attribute_used __attribute__((aligned(8))) = 0x00FF0000FF0000FFULL; -static const uint64_t mask24g attribute_used __attribute__((aligned(8))) = 0xFF0000FF0000FF00ULL; -static const uint64_t mask24r attribute_used __attribute__((aligned(8))) = 0x0000FF0000FF0000ULL; -static const uint64_t mask24l __attribute__((aligned(8))) = 0x0000000000FFFFFFULL; -static const uint64_t mask24h __attribute__((aligned(8))) = 0x0000FFFFFF000000ULL; -static const uint64_t mask24hh __attribute__((aligned(8))) = 0xffff000000000000ULL; -static const uint64_t mask24hhh __attribute__((aligned(8))) = 0xffffffff00000000ULL; -static const uint64_t mask24hhhh __attribute__((aligned(8))) = 0xffffffffffff0000ULL; -static const uint64_t mask15b __attribute__((aligned(8))) = 0x001F001F001F001FULL; /* 00000000 00011111 xxB */ -static const uint64_t mask15rg __attribute__((aligned(8))) = 0x7FE07FE07FE07FE0ULL; /* 01111111 11100000 RGx */ -static const uint64_t mask15s __attribute__((aligned(8))) = 0xFFE0FFE0FFE0FFE0ULL; -static const uint64_t mask15g __attribute__((aligned(8))) = 0x03E003E003E003E0ULL; -static const uint64_t mask15r __attribute__((aligned(8))) = 0x7C007C007C007C00ULL; -#define mask16b mask15b -static const uint64_t mask16g __attribute__((aligned(8))) = 0x07E007E007E007E0ULL; -static const uint64_t mask16r __attribute__((aligned(8))) = 0xF800F800F800F800ULL; -static const uint64_t red_16mask __attribute__((aligned(8))) = 0x0000f8000000f800ULL; -static const uint64_t green_16mask __attribute__((aligned(8)))= 0x000007e0000007e0ULL; -static const uint64_t blue_16mask __attribute__((aligned(8))) = 0x0000001f0000001fULL; -static const uint64_t red_15mask __attribute__((aligned(8))) = 0x00007c000000f800ULL; -static const uint64_t green_15mask __attribute__((aligned(8)))= 0x000003e0000007e0ULL; -static const uint64_t blue_15mask __attribute__((aligned(8))) = 0x0000001f0000001fULL; - -#ifdef FAST_BGR2YV12 -static const uint64_t bgr2YCoeff attribute_used __attribute__((aligned(8))) = 0x000000210041000DULL; -static const uint64_t bgr2UCoeff attribute_used __attribute__((aligned(8))) = 0x0000FFEEFFDC0038ULL; -static const uint64_t bgr2VCoeff attribute_used __attribute__((aligned(8))) = 0x00000038FFD2FFF8ULL; -#else -static const uint64_t bgr2YCoeff attribute_used __attribute__((aligned(8))) = 0x000020E540830C8BULL; -static const uint64_t bgr2UCoeff attribute_used __attribute__((aligned(8))) = 0x0000ED0FDAC23831ULL; -static const uint64_t bgr2VCoeff attribute_used __attribute__((aligned(8))) = 0x00003831D0E6F6EAULL; -#endif -static const uint64_t bgr2YOffset attribute_used __attribute__((aligned(8))) = 0x1010101010101010ULL; -static const uint64_t bgr2UVOffset attribute_used __attribute__((aligned(8)))= 0x8080808080808080ULL; -static const uint64_t w1111 attribute_used __attribute__((aligned(8))) = 0x0001000100010001ULL; - -#if 0 -static volatile uint64_t __attribute__((aligned(8))) b5Dither; -static volatile uint64_t __attribute__((aligned(8))) g5Dither; -static volatile uint64_t __attribute__((aligned(8))) g6Dither; -static volatile uint64_t __attribute__((aligned(8))) r5Dither; - -static uint64_t __attribute__((aligned(8))) dither4[2]={ - 0x0103010301030103LL, - 0x0200020002000200LL,}; - -static uint64_t __attribute__((aligned(8))) dither8[2]={ - 0x0602060206020602LL, - 0x0004000400040004LL,}; -#endif -#endif /* defined(ARCH_X86) */ - -#define RGB2YUV_SHIFT 8 -#define BY ((int)( 0.098*(1<<RGB2YUV_SHIFT)+0.5)) -#define BV ((int)(-0.071*(1<<RGB2YUV_SHIFT)+0.5)) -#define BU ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5)) -#define GY ((int)( 0.504*(1<<RGB2YUV_SHIFT)+0.5)) -#define GV ((int)(-0.368*(1<<RGB2YUV_SHIFT)+0.5)) -#define GU ((int)(-0.291*(1<<RGB2YUV_SHIFT)+0.5)) -#define RY ((int)( 0.257*(1<<RGB2YUV_SHIFT)+0.5)) -#define RV ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5)) -#define RU ((int)(-0.148*(1<<RGB2YUV_SHIFT)+0.5)) - -//Note: we have C, MMX, MMX2, 3DNOW version therse no 3DNOW+MMX2 one -//Plain C versions -#undef HAVE_MMX -#undef HAVE_MMX2 -#undef HAVE_3DNOW -#undef HAVE_SSE2 -#define RENAME(a) a ## _C -#include "rgb2rgb_template.c" - -#if defined(ARCH_X86) && defined(CONFIG_GPL) - -//MMX versions -#undef RENAME -#define HAVE_MMX -#undef HAVE_MMX2 -#undef HAVE_3DNOW -#undef HAVE_SSE2 -#define RENAME(a) a ## _MMX -#include "rgb2rgb_template.c" - -//MMX2 versions -#undef RENAME -#define HAVE_MMX -#define HAVE_MMX2 -#undef HAVE_3DNOW -#undef HAVE_SSE2 -#define RENAME(a) a ## _MMX2 -#include "rgb2rgb_template.c" - -//3DNOW versions -#undef RENAME -#define HAVE_MMX -#undef HAVE_MMX2 -#define HAVE_3DNOW -#undef HAVE_SSE2 -#define RENAME(a) a ## _3DNOW -#include "rgb2rgb_template.c" - -#endif //ARCH_X86 || ARCH_X86_64 - -/* - rgb15->rgb16 Original by Strepto/Astral - ported to gcc & bugfixed : A'rpi - MMX2, 3DNOW optimization by Nick Kurshev - 32bit c version, and and&add trick by Michael Niedermayer -*/ - -void sws_rgb2rgb_init(int flags){ -#if (defined(HAVE_MMX2) || defined(HAVE_3DNOW) || defined(HAVE_MMX)) && defined(CONFIG_GPL) - if(flags & SWS_CPU_CAPS_MMX2){ - rgb15to16= rgb15to16_MMX2; - rgb15to24= rgb15to24_MMX2; - rgb15to32= rgb15to32_MMX2; - rgb16to24= rgb16to24_MMX2; - rgb16to32= rgb16to32_MMX2; - rgb16to15= rgb16to15_MMX2; - rgb24to16= rgb24to16_MMX2; - rgb24to15= rgb24to15_MMX2; - rgb24to32= rgb24to32_MMX2; - rgb32to16= rgb32to16_MMX2; - rgb32to15= rgb32to15_MMX2; - rgb32to24= rgb32to24_MMX2; - rgb24tobgr15= rgb24tobgr15_MMX2; - rgb24tobgr16= rgb24tobgr16_MMX2; - rgb24tobgr24= rgb24tobgr24_MMX2; - rgb32tobgr32= rgb32tobgr32_MMX2; - rgb32tobgr16= rgb32tobgr16_MMX2; - rgb32tobgr15= rgb32tobgr15_MMX2; - yv12toyuy2= yv12toyuy2_MMX2; - yv12touyvy= yv12touyvy_MMX2; - yuv422ptoyuy2= yuv422ptoyuy2_MMX2; - yuy2toyv12= yuy2toyv12_MMX2; -// uyvytoyv12= uyvytoyv12_MMX2; -// yvu9toyv12= yvu9toyv12_MMX2; - planar2x= planar2x_MMX2; - rgb24toyv12= rgb24toyv12_MMX2; - interleaveBytes= interleaveBytes_MMX2; - vu9_to_vu12= vu9_to_vu12_MMX2; - yvu9_to_yuy2= yvu9_to_yuy2_MMX2; - }else if(flags & SWS_CPU_CAPS_3DNOW){ - rgb15to16= rgb15to16_3DNOW; - rgb15to24= rgb15to24_3DNOW; - rgb15to32= rgb15to32_3DNOW; - rgb16to24= rgb16to24_3DNOW; - rgb16to32= rgb16to32_3DNOW; - rgb16to15= rgb16to15_3DNOW; - rgb24to16= rgb24to16_3DNOW; - rgb24to15= rgb24to15_3DNOW; - rgb24to32= rgb24to32_3DNOW; - rgb32to16= rgb32to16_3DNOW; - rgb32to15= rgb32to15_3DNOW; - rgb32to24= rgb32to24_3DNOW; - rgb24tobgr15= rgb24tobgr15_3DNOW; - rgb24tobgr16= rgb24tobgr16_3DNOW; - rgb24tobgr24= rgb24tobgr24_3DNOW; - rgb32tobgr32= rgb32tobgr32_3DNOW; - rgb32tobgr16= rgb32tobgr16_3DNOW; - rgb32tobgr15= rgb32tobgr15_3DNOW; - yv12toyuy2= yv12toyuy2_3DNOW; - yv12touyvy= yv12touyvy_3DNOW; - yuv422ptoyuy2= yuv422ptoyuy2_3DNOW; - yuy2toyv12= yuy2toyv12_3DNOW; -// uyvytoyv12= uyvytoyv12_3DNOW; -// yvu9toyv12= yvu9toyv12_3DNOW; - planar2x= planar2x_3DNOW; - rgb24toyv12= rgb24toyv12_3DNOW; - interleaveBytes= interleaveBytes_3DNOW; - vu9_to_vu12= vu9_to_vu12_3DNOW; - yvu9_to_yuy2= yvu9_to_yuy2_3DNOW; - }else if(flags & SWS_CPU_CAPS_MMX){ - rgb15to16= rgb15to16_MMX; - rgb15to24= rgb15to24_MMX; - rgb15to32= rgb15to32_MMX; - rgb16to24= rgb16to24_MMX; - rgb16to32= rgb16to32_MMX; - rgb16to15= rgb16to15_MMX; - rgb24to16= rgb24to16_MMX; - rgb24to15= rgb24to15_MMX; - rgb24to32= rgb24to32_MMX; - rgb32to16= rgb32to16_MMX; - rgb32to15= rgb32to15_MMX; - rgb32to24= rgb32to24_MMX; - rgb24tobgr15= rgb24tobgr15_MMX; - rgb24tobgr16= rgb24tobgr16_MMX; - rgb24tobgr24= rgb24tobgr24_MMX; - rgb32tobgr32= rgb32tobgr32_MMX; - rgb32tobgr16= rgb32tobgr16_MMX; - rgb32tobgr15= rgb32tobgr15_MMX; - yv12toyuy2= yv12toyuy2_MMX; - yv12touyvy= yv12touyvy_MMX; - yuv422ptoyuy2= yuv422ptoyuy2_MMX; - yuy2toyv12= yuy2toyv12_MMX; -// uyvytoyv12= uyvytoyv12_MMX; -// yvu9toyv12= yvu9toyv12_MMX; - planar2x= planar2x_MMX; - rgb24toyv12= rgb24toyv12_MMX; - interleaveBytes= interleaveBytes_MMX; - vu9_to_vu12= vu9_to_vu12_MMX; - yvu9_to_yuy2= yvu9_to_yuy2_MMX; - }else -#endif /* defined(HAVE_MMX2) || defined(HAVE_3DNOW) || defined(HAVE_MMX) */ - { - rgb15to16= rgb15to16_C; - rgb15to24= rgb15to24_C; - rgb15to32= rgb15to32_C; - rgb16to24= rgb16to24_C; - rgb16to32= rgb16to32_C; - rgb16to15= rgb16to15_C; - rgb24to16= rgb24to16_C; - rgb24to15= rgb24to15_C; - rgb24to32= rgb24to32_C; - rgb32to16= rgb32to16_C; - rgb32to15= rgb32to15_C; - rgb32to24= rgb32to24_C; - rgb24tobgr15= rgb24tobgr15_C; - rgb24tobgr16= rgb24tobgr16_C; - rgb24tobgr24= rgb24tobgr24_C; - rgb32tobgr32= rgb32tobgr32_C; - rgb32tobgr16= rgb32tobgr16_C; - rgb32tobgr15= rgb32tobgr15_C; - yv12toyuy2= yv12toyuy2_C; - yv12touyvy= yv12touyvy_C; - yuv422ptoyuy2= yuv422ptoyuy2_C; - yuy2toyv12= yuy2toyv12_C; -// uyvytoyv12= uyvytoyv12_C; -// yvu9toyv12= yvu9toyv12_C; - planar2x= planar2x_C; - rgb24toyv12= rgb24toyv12_C; - interleaveBytes= interleaveBytes_C; - vu9_to_vu12= vu9_to_vu12_C; - yvu9_to_yuy2= yvu9_to_yuy2_C; - } -} - -/** - * Palette is assumed to contain BGR32. - */ -void palette8torgb32(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette) -{ - long i; - -/* - for(i=0; i<num_pixels; i++) - ((unsigned *)dst)[i] = ((unsigned *)palette)[ src[i] ]; -*/ - - for(i=0; i<num_pixels; i++) - { - #ifdef WORDS_BIGENDIAN - dst[3]= palette[ src[i]*4+2 ]; - dst[2]= palette[ src[i]*4+1 ]; - dst[1]= palette[ src[i]*4+0 ]; - #else - //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? */ - #endif - dst+= 4; - } -} - -void palette8tobgr32(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette) -{ - long i; - for(i=0; i<num_pixels; i++) - { - #ifdef WORDS_BIGENDIAN - dst[3]= palette[ src[i]*4+0 ]; - dst[2]= palette[ src[i]*4+1 ]; - dst[1]= palette[ src[i]*4+2 ]; - #else - //FIXME slow? - dst[0]= palette[ src[i]*4+0 ]; - dst[1]= palette[ src[i]*4+1 ]; - dst[2]= palette[ src[i]*4+2 ]; - //dst[3]= 0; /* do we need this cleansing? */ - #endif - - dst+= 4; - } -} - -/** - * Palette is assumed to contain BGR32. - */ -void palette8torgb24(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette) -{ - long i; -/* - writes 1 byte o much and might cause alignment issues on some architectures? - for(i=0; i<num_pixels; i++) - ((unsigned *)(&dst[i*3])) = ((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; - } -} - -void palette8tobgr24(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette) -{ - long i; -/* - writes 1 byte o much and might cause alignment issues on some architectures? - for(i=0; i<num_pixels; i++) - ((unsigned *)(&dst[i*3])) = ((unsigned *)palette)[ src[i] ]; -*/ - for(i=0; i<num_pixels; i++) - { - //FIXME slow? - dst[0]= palette[ src[i]*4+0 ]; - dst[1]= palette[ src[i]*4+1 ]; - dst[2]= palette[ src[i]*4+2 ]; - dst+= 3; - } -} - -/** - * Palette is assumed to contain bgr16, see rgb32to16 to convert the palette - */ -void palette8torgb16(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette) -{ - long i; - for(i=0; i<num_pixels; i++) - ((uint16_t *)dst)[i] = ((uint16_t *)palette)[ src[i] ]; -} -void palette8tobgr16(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette) -{ - long i; - for(i=0; i<num_pixels; i++) - ((uint16_t *)dst)[i] = bswap_16(((uint16_t *)palette)[ src[i] ]); -} - -/** - * Palette is assumed to contain BGR15, see rgb32to15 to convert the palette. - */ -void palette8torgb15(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette) -{ - long i; - for(i=0; i<num_pixels; i++) - ((uint16_t *)dst)[i] = ((uint16_t *)palette)[ src[i] ]; -} -void palette8tobgr15(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette) -{ - long i; - for(i=0; i<num_pixels; i++) - ((uint16_t *)dst)[i] = bswap_16(((uint16_t *)palette)[ src[i] ]); -} - -void rgb32tobgr24(const uint8_t *src, uint8_t *dst, long src_size) -{ - long i; - long num_pixels = src_size >> 2; - for(i=0; i<num_pixels; i++) - { - #ifdef WORDS_BIGENDIAN - /* RGB32 (= A,B,G,R) -> BGR24 (= B,G,R) */ - dst[3*i + 0] = src[4*i + 1]; - dst[3*i + 1] = src[4*i + 2]; - dst[3*i + 2] = src[4*i + 3]; - #else - dst[3*i + 0] = src[4*i + 2]; - dst[3*i + 1] = src[4*i + 1]; - dst[3*i + 2] = src[4*i + 0]; - #endif - } -} - -void rgb24tobgr32(const uint8_t *src, uint8_t *dst, long src_size) -{ - long i; - for(i=0; 3*i<src_size; i++) - { - #ifdef WORDS_BIGENDIAN - /* RGB24 (= R,G,B) -> BGR32 (= A,R,G,B) */ - dst[4*i + 0] = 0; - dst[4*i + 1] = src[3*i + 0]; - dst[4*i + 2] = src[3*i + 1]; - dst[4*i + 3] = src[3*i + 2]; - #else - dst[4*i + 0] = src[3*i + 2]; - dst[4*i + 1] = src[3*i + 1]; - dst[4*i + 2] = src[3*i + 0]; - dst[4*i + 3] = 0; - #endif - } -} - -void rgb16tobgr32(const uint8_t *src, uint8_t *dst, long src_size) -{ - const uint16_t *end; - uint8_t *d = (uint8_t *)dst; - const uint16_t *s = (uint16_t *)src; - end = s + src_size/2; - while(s < end) - { - register uint16_t bgr; - bgr = *s++; - #ifdef WORDS_BIGENDIAN - *d++ = 0; - *d++ = (bgr&0x1F)<<3; - *d++ = (bgr&0x7E0)>>3; - *d++ = (bgr&0xF800)>>8; - #else - *d++ = (bgr&0xF800)>>8; - *d++ = (bgr&0x7E0)>>3; - *d++ = (bgr&0x1F)<<3; - *d++ = 0; - #endif - } -} - -void rgb16tobgr24(const uint8_t *src, uint8_t *dst, long src_size) -{ - const uint16_t *end; - uint8_t *d = (uint8_t *)dst; - const uint16_t *s = (const uint16_t *)src; - end = s + src_size/2; - while(s < end) - { - register uint16_t bgr; - bgr = *s++; - *d++ = (bgr&0xF800)>>8; - *d++ = (bgr&0x7E0)>>3; - *d++ = (bgr&0x1F)<<3; - } -} - -void rgb16tobgr16(const uint8_t *src, uint8_t *dst, long src_size) -{ - long i; - long num_pixels = src_size >> 1; - - for(i=0; i<num_pixels; i++) - { - unsigned b,g,r; - register uint16_t rgb; - rgb = src[2*i]; - r = rgb&0x1F; - g = (rgb&0x7E0)>>5; - b = (rgb&0xF800)>>11; - dst[2*i] = (b&0x1F) | ((g&0x3F)<<5) | ((r&0x1F)<<11); - } -} - -void rgb16tobgr15(const uint8_t *src, uint8_t *dst, long src_size) -{ - long i; - long num_pixels = src_size >> 1; - - for(i=0; i<num_pixels; i++) - { - unsigned b,g,r; - register uint16_t rgb; - rgb = src[2*i]; - r = rgb&0x1F; - g = (rgb&0x7E0)>>5; - b = (rgb&0xF800)>>11; - dst[2*i] = (b&0x1F) | ((g&0x1F)<<5) | ((r&0x1F)<<10); - } -} - -void rgb15tobgr32(const uint8_t *src, uint8_t *dst, long src_size) -{ - const uint16_t *end; - uint8_t *d = (uint8_t *)dst; - const uint16_t *s = (const uint16_t *)src; - end = s + src_size/2; - while(s < end) - { - register uint16_t bgr; - bgr = *s++; - #ifdef WORDS_BIGENDIAN - *d++ = 0; - *d++ = (bgr&0x1F)<<3; - *d++ = (bgr&0x3E0)>>2; - *d++ = (bgr&0x7C00)>>7; - #else - *d++ = (bgr&0x7C00)>>7; - *d++ = (bgr&0x3E0)>>2; - *d++ = (bgr&0x1F)<<3; - *d++ = 0; - #endif - } -} - -void rgb15tobgr24(const uint8_t *src, uint8_t *dst, long src_size) -{ - const uint16_t *end; - uint8_t *d = (uint8_t *)dst; - const uint16_t *s = (uint16_t *)src; - end = s + src_size/2; - while(s < end) - { - register uint16_t bgr; - bgr = *s++; - *d++ = (bgr&0x7C00)>>7; - *d++ = (bgr&0x3E0)>>2; - *d++ = (bgr&0x1F)<<3; - } -} - -void rgb15tobgr16(const uint8_t *src, uint8_t *dst, long src_size) -{ - long i; - long num_pixels = src_size >> 1; - - for(i=0; i<num_pixels; i++) - { - unsigned b,g,r; - register uint16_t rgb; - rgb = src[2*i]; - r = rgb&0x1F; - g = (rgb&0x3E0)>>5; - b = (rgb&0x7C00)>>10; - dst[2*i] = (b&0x1F) | ((g&0x3F)<<5) | ((r&0x1F)<<11); - } -} - -void rgb15tobgr15(const uint8_t *src, uint8_t *dst, long src_size) -{ - long i; - long num_pixels = src_size >> 1; - - for(i=0; i<num_pixels; i++) - { - unsigned b,g,r; - register uint16_t rgb; - rgb = src[2*i]; - r = rgb&0x1F; - g = (rgb&0x3E0)>>5; - b = (rgb&0x7C00)>>10; - dst[2*i] = (b&0x1F) | ((g&0x1F)<<5) | ((r&0x1F)<<10); - } -} - -void rgb8tobgr8(const uint8_t *src, uint8_t *dst, long src_size) -{ - long i; - long num_pixels = src_size; - for(i=0; i<num_pixels; i++) - { - unsigned b,g,r; - register uint8_t rgb; - rgb = src[i]; - r = (rgb&0x07); - g = (rgb&0x38)>>3; - b = (rgb&0xC0)>>6; - dst[i] = ((b<<1)&0x07) | ((g&0x07)<<3) | ((r&0x03)<<6); - } -} |