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ffmpeg / postproc / rgb2rgb.c @ 6d606c4f

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/*
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 *
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 *  rgb2rgb.c, Software RGB to RGB convertor
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 *  pluralize by Software PAL8 to RGB convertor
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 *               Software YUV to YUV convertor
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 *               Software YUV to RGB convertor
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 *  Written by Nick Kurshev.
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 *  palette & yuv & runtime cpu stuff by Michael (michaelni@gmx.at) (under GPL)
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 */
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#include <inttypes.h>
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#include "../config.h"
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#include "rgb2rgb.h"
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#include "swscale.h"
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#include "../cpudetect.h"
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#include "../mangle.h"
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#include "../bswap.h"
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#include "../libvo/fastmemcpy.h"
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#define FAST_BGR2YV12 // use 7 bit coeffs instead of 15bit
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void (*rgb24to32)(const uint8_t *src,uint8_t *dst,unsigned src_size);
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void (*rgb24to16)(const uint8_t *src,uint8_t *dst,unsigned src_size);
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void (*rgb24to15)(const uint8_t *src,uint8_t *dst,unsigned src_size);
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void (*rgb32to24)(const uint8_t *src,uint8_t *dst,unsigned src_size);
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void (*rgb32to16)(const uint8_t *src,uint8_t *dst,unsigned src_size);
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void (*rgb32to15)(const uint8_t *src,uint8_t *dst,unsigned src_size);
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void (*rgb15to16)(const uint8_t *src,uint8_t *dst,unsigned src_size);
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void (*rgb15to24)(const uint8_t *src,uint8_t *dst,unsigned src_size);
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void (*rgb15to32)(const uint8_t *src,uint8_t *dst,unsigned src_size);
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void (*rgb16to15)(const uint8_t *src,uint8_t *dst,unsigned src_size);
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void (*rgb16to24)(const uint8_t *src,uint8_t *dst,unsigned src_size);
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void (*rgb16to32)(const uint8_t *src,uint8_t *dst,unsigned src_size);
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//void (*rgb24tobgr32)(const uint8_t *src, uint8_t *dst, unsigned src_size);
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void (*rgb24tobgr24)(const uint8_t *src, uint8_t *dst, unsigned src_size);
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void (*rgb24tobgr16)(const uint8_t *src, uint8_t *dst, unsigned src_size);
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void (*rgb24tobgr15)(const uint8_t *src, uint8_t *dst, unsigned src_size);
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void (*rgb32tobgr32)(const uint8_t *src, uint8_t *dst, unsigned src_size);
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//void (*rgb32tobgr24)(const uint8_t *src, uint8_t *dst, unsigned src_size);
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void (*rgb32tobgr16)(const uint8_t *src, uint8_t *dst, unsigned src_size);
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void (*rgb32tobgr15)(const uint8_t *src, uint8_t *dst, unsigned src_size);
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void (*yv12toyuy2)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
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        unsigned int width, unsigned int height,
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        int lumStride, int chromStride, int dstStride);
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void (*yv12touyvy)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
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        unsigned int width, unsigned int height,
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        int lumStride, int chromStride, int dstStride);
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void (*yuv422ptoyuy2)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
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        unsigned int width, unsigned int height,
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        int lumStride, int chromStride, int dstStride);
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void (*yuy2toyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
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        unsigned int width, unsigned int height,
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        int lumStride, int chromStride, int srcStride);
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void (*rgb24toyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
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        unsigned int width, unsigned int height,
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        int lumStride, int chromStride, int srcStride);
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void (*planar2x)(const uint8_t *src, uint8_t *dst, int width, int height, int srcStride, int dstStride);
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void (*interleaveBytes)(uint8_t *src1, uint8_t *src2, uint8_t *dst,
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                            unsigned width, unsigned height, int src1Stride,
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                            int src2Stride, int dstStride);
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void (*vu9_to_vu12)(const uint8_t *src1, const uint8_t *src2,
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                        uint8_t *dst1, uint8_t *dst2,
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                        unsigned width, unsigned height,
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                        int srcStride1, int srcStride2,
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                        int dstStride1, int dstStride2);
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void (*yvu9_to_yuy2)(const uint8_t *src1, const uint8_t *src2, const uint8_t *src3,
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                        uint8_t *dst,
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                        unsigned width, unsigned height,
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                        int srcStride1, int srcStride2,
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                        int srcStride3, int dstStride);
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#if defined(ARCH_X86) || defined(ARCH_X86_64)
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static const uint64_t mmx_null  __attribute__((aligned(8))) = 0x0000000000000000ULL;
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static const uint64_t mmx_one   __attribute__((aligned(8))) = 0xFFFFFFFFFFFFFFFFULL;
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static const uint64_t mask32b  attribute_used __attribute__((aligned(8))) = 0x000000FF000000FFULL;
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static const uint64_t mask32g  attribute_used __attribute__((aligned(8))) = 0x0000FF000000FF00ULL;
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static const uint64_t mask32r  attribute_used __attribute__((aligned(8))) = 0x00FF000000FF0000ULL;
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static const uint64_t mask32   __attribute__((aligned(8))) = 0x00FFFFFF00FFFFFFULL;
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static const uint64_t mask3216br __attribute__((aligned(8)))=0x00F800F800F800F8ULL;
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static const uint64_t mask3216g  __attribute__((aligned(8)))=0x0000FC000000FC00ULL;
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static const uint64_t mask3215g  __attribute__((aligned(8)))=0x0000F8000000F800ULL;
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static const uint64_t mul3216  __attribute__((aligned(8))) = 0x2000000420000004ULL;
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static const uint64_t mul3215  __attribute__((aligned(8))) = 0x2000000820000008ULL;
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static const uint64_t mask24b  attribute_used __attribute__((aligned(8))) = 0x00FF0000FF0000FFULL;
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static const uint64_t mask24g  attribute_used __attribute__((aligned(8))) = 0xFF0000FF0000FF00ULL;
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static const uint64_t mask24r  attribute_used __attribute__((aligned(8))) = 0x0000FF0000FF0000ULL;
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static const uint64_t mask24l  __attribute__((aligned(8))) = 0x0000000000FFFFFFULL;
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static const uint64_t mask24h  __attribute__((aligned(8))) = 0x0000FFFFFF000000ULL;
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static const uint64_t mask24hh  __attribute__((aligned(8))) = 0xffff000000000000ULL;
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static const uint64_t mask24hhh  __attribute__((aligned(8))) = 0xffffffff00000000ULL;
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static const uint64_t mask24hhhh  __attribute__((aligned(8))) = 0xffffffffffff0000ULL;
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static const uint64_t mask15b  __attribute__((aligned(8))) = 0x001F001F001F001FULL; /* 00000000 00011111  xxB */
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static const uint64_t mask15rg __attribute__((aligned(8))) = 0x7FE07FE07FE07FE0ULL; /* 01111111 11100000  RGx */
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static const uint64_t mask15s  __attribute__((aligned(8))) = 0xFFE0FFE0FFE0FFE0ULL;
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static const uint64_t mask15g  __attribute__((aligned(8))) = 0x03E003E003E003E0ULL;
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static const uint64_t mask15r  __attribute__((aligned(8))) = 0x7C007C007C007C00ULL;
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#define mask16b mask15b
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static const uint64_t mask16g  __attribute__((aligned(8))) = 0x07E007E007E007E0ULL;
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static const uint64_t mask16r  __attribute__((aligned(8))) = 0xF800F800F800F800ULL;
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static const uint64_t red_16mask  __attribute__((aligned(8))) = 0x0000f8000000f800ULL;
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static const uint64_t green_16mask __attribute__((aligned(8)))= 0x000007e0000007e0ULL;
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static const uint64_t blue_16mask __attribute__((aligned(8))) = 0x0000001f0000001fULL;
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static const uint64_t red_15mask  __attribute__((aligned(8))) = 0x00007c000000f800ULL;
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static const uint64_t green_15mask __attribute__((aligned(8)))= 0x000003e0000007e0ULL;
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static const uint64_t blue_15mask __attribute__((aligned(8))) = 0x0000001f0000001fULL;
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#ifdef FAST_BGR2YV12
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static const uint64_t bgr2YCoeff  attribute_used __attribute__((aligned(8))) = 0x000000210041000DULL;
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static const uint64_t bgr2UCoeff  attribute_used __attribute__((aligned(8))) = 0x0000FFEEFFDC0038ULL;
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static const uint64_t bgr2VCoeff  attribute_used __attribute__((aligned(8))) = 0x00000038FFD2FFF8ULL;
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#else
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static const uint64_t bgr2YCoeff  attribute_used __attribute__((aligned(8))) = 0x000020E540830C8BULL;
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static const uint64_t bgr2UCoeff  attribute_used __attribute__((aligned(8))) = 0x0000ED0FDAC23831ULL;
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static const uint64_t bgr2VCoeff  attribute_used __attribute__((aligned(8))) = 0x00003831D0E6F6EAULL;
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#endif
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static const uint64_t bgr2YOffset attribute_used __attribute__((aligned(8))) = 0x1010101010101010ULL;
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static const uint64_t bgr2UVOffset attribute_used __attribute__((aligned(8)))= 0x8080808080808080ULL;
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static const uint64_t w1111       attribute_used __attribute__((aligned(8))) = 0x0001000100010001ULL;
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#if 0
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static volatile uint64_t __attribute__((aligned(8))) b5Dither;
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static volatile uint64_t __attribute__((aligned(8))) g5Dither;
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static volatile uint64_t __attribute__((aligned(8))) g6Dither;
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static volatile uint64_t __attribute__((aligned(8))) r5Dither;
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static uint64_t __attribute__((aligned(8))) dither4[2]={
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        0x0103010301030103LL,
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        0x0200020002000200LL,};
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static uint64_t __attribute__((aligned(8))) dither8[2]={
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        0x0602060206020602LL,
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        0x0004000400040004LL,};
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#endif
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#endif
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#define RGB2YUV_SHIFT 8
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#define BY ((int)( 0.098*(1<<RGB2YUV_SHIFT)+0.5))
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#define BV ((int)(-0.071*(1<<RGB2YUV_SHIFT)+0.5))
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#define BU ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5))
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#define GY ((int)( 0.504*(1<<RGB2YUV_SHIFT)+0.5))
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#define GV ((int)(-0.368*(1<<RGB2YUV_SHIFT)+0.5))
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#define GU ((int)(-0.291*(1<<RGB2YUV_SHIFT)+0.5))
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#define RY ((int)( 0.257*(1<<RGB2YUV_SHIFT)+0.5))
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#define RV ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5))
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#define RU ((int)(-0.148*(1<<RGB2YUV_SHIFT)+0.5))
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//Note: we have C, MMX, MMX2, 3DNOW version therse no 3DNOW+MMX2 one
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//Plain C versions
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#undef HAVE_MMX
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#undef HAVE_MMX2
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#undef HAVE_3DNOW
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#undef HAVE_SSE2
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#define RENAME(a) a ## _C
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#include "rgb2rgb_template.c"
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#if defined(ARCH_X86) || defined(ARCH_X86_64)
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//MMX versions
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#undef RENAME
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#define HAVE_MMX
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#undef HAVE_MMX2
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#undef HAVE_3DNOW
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#undef HAVE_SSE2
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#define RENAME(a) a ## _MMX
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#include "rgb2rgb_template.c"
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//MMX2 versions
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#undef RENAME
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#define HAVE_MMX
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#define HAVE_MMX2
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#undef HAVE_3DNOW
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#undef HAVE_SSE2
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#define RENAME(a) a ## _MMX2
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#include "rgb2rgb_template.c"
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//3DNOW versions
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#undef RENAME
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#define HAVE_MMX
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#undef HAVE_MMX2
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#define HAVE_3DNOW
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#undef HAVE_SSE2
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#define RENAME(a) a ## _3DNOW
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#include "rgb2rgb_template.c"
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#endif //ARCH_X86 || ARCH_X86_64
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/*
188
 rgb15->rgb16 Original by Strepto/Astral
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 ported to gcc & bugfixed : A'rpi
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 MMX2, 3DNOW optimization by Nick Kurshev
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 32bit c version, and and&add trick by Michael Niedermayer
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*/
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void sws_rgb2rgb_init(int flags){
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#if defined(ARCH_X86) || defined(ARCH_X86_64)
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        if(flags & SWS_CPU_CAPS_MMX2){
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                rgb15to16= rgb15to16_MMX2;
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                rgb15to24= rgb15to24_MMX2;
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                rgb15to32= rgb15to32_MMX2;
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                rgb16to24= rgb16to24_MMX2;
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                rgb16to32= rgb16to32_MMX2;
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                rgb16to15= rgb16to15_MMX2;
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                rgb24to16= rgb24to16_MMX2;
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                rgb24to15= rgb24to15_MMX2;
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                rgb24to32= rgb24to32_MMX2;
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                rgb32to16= rgb32to16_MMX2;
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                rgb32to15= rgb32to15_MMX2;
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                rgb32to24= rgb32to24_MMX2;
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                rgb24tobgr15= rgb24tobgr15_MMX2;
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                rgb24tobgr16= rgb24tobgr16_MMX2;
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                rgb24tobgr24= rgb24tobgr24_MMX2;
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                rgb32tobgr32= rgb32tobgr32_MMX2;
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                rgb32tobgr16= rgb32tobgr16_MMX2;
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                rgb32tobgr15= rgb32tobgr15_MMX2;
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                yv12toyuy2= yv12toyuy2_MMX2;
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                yv12touyvy= yv12touyvy_MMX2;
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                yuv422ptoyuy2= yuv422ptoyuy2_MMX2;
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                yuy2toyv12= yuy2toyv12_MMX2;
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//                uyvytoyv12= uyvytoyv12_MMX2;
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//                yvu9toyv12= yvu9toyv12_MMX2;
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                planar2x= planar2x_MMX2;
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                rgb24toyv12= rgb24toyv12_MMX2;
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                interleaveBytes= interleaveBytes_MMX2;
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                vu9_to_vu12= vu9_to_vu12_MMX2;
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                yvu9_to_yuy2= yvu9_to_yuy2_MMX2;
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        }else if(flags & SWS_CPU_CAPS_3DNOW){
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                rgb15to16= rgb15to16_3DNOW;
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                rgb15to24= rgb15to24_3DNOW;
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                rgb15to32= rgb15to32_3DNOW;
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                rgb16to24= rgb16to24_3DNOW;
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                rgb16to32= rgb16to32_3DNOW;
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                rgb16to15= rgb16to15_3DNOW;
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                rgb24to16= rgb24to16_3DNOW;
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                rgb24to15= rgb24to15_3DNOW;
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                rgb24to32= rgb24to32_3DNOW;
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                rgb32to16= rgb32to16_3DNOW;
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                rgb32to15= rgb32to15_3DNOW;
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                rgb32to24= rgb32to24_3DNOW;
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                rgb24tobgr15= rgb24tobgr15_3DNOW;
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                rgb24tobgr16= rgb24tobgr16_3DNOW;
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                rgb24tobgr24= rgb24tobgr24_3DNOW;
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                rgb32tobgr32= rgb32tobgr32_3DNOW;
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                rgb32tobgr16= rgb32tobgr16_3DNOW;
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                rgb32tobgr15= rgb32tobgr15_3DNOW;
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                yv12toyuy2= yv12toyuy2_3DNOW;
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                yv12touyvy= yv12touyvy_3DNOW;
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                yuv422ptoyuy2= yuv422ptoyuy2_3DNOW;
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                yuy2toyv12= yuy2toyv12_3DNOW;
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//                uyvytoyv12= uyvytoyv12_3DNOW;
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//                yvu9toyv12= yvu9toyv12_3DNOW;
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                planar2x= planar2x_3DNOW;
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                rgb24toyv12= rgb24toyv12_3DNOW;
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                interleaveBytes= interleaveBytes_3DNOW;
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                vu9_to_vu12= vu9_to_vu12_3DNOW;
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                yvu9_to_yuy2= yvu9_to_yuy2_3DNOW;
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        }else if(flags & SWS_CPU_CAPS_MMX){
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                rgb15to16= rgb15to16_MMX;
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                rgb15to24= rgb15to24_MMX;
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                rgb15to32= rgb15to32_MMX;
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                rgb16to24= rgb16to24_MMX;
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                rgb16to32= rgb16to32_MMX;
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                rgb16to15= rgb16to15_MMX;
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                rgb24to16= rgb24to16_MMX;
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                rgb24to15= rgb24to15_MMX;
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                rgb24to32= rgb24to32_MMX;
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                rgb32to16= rgb32to16_MMX;
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                rgb32to15= rgb32to15_MMX;
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                rgb32to24= rgb32to24_MMX;
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                rgb24tobgr15= rgb24tobgr15_MMX;
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                rgb24tobgr16= rgb24tobgr16_MMX;
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                rgb24tobgr24= rgb24tobgr24_MMX;
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                rgb32tobgr32= rgb32tobgr32_MMX;
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                rgb32tobgr16= rgb32tobgr16_MMX;
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                rgb32tobgr15= rgb32tobgr15_MMX;
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                yv12toyuy2= yv12toyuy2_MMX;
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                yv12touyvy= yv12touyvy_MMX;
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                yuv422ptoyuy2= yuv422ptoyuy2_MMX;
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                yuy2toyv12= yuy2toyv12_MMX;
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//                uyvytoyv12= uyvytoyv12_MMX;
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//                yvu9toyv12= yvu9toyv12_MMX;
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                planar2x= planar2x_MMX;
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                rgb24toyv12= rgb24toyv12_MMX;
283
                interleaveBytes= interleaveBytes_MMX;
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                vu9_to_vu12= vu9_to_vu12_MMX;
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                yvu9_to_yuy2= yvu9_to_yuy2_MMX;
286
        }else
287
#endif
288
        {
289
                rgb15to16= rgb15to16_C;
290
                rgb15to24= rgb15to24_C;
291
                rgb15to32= rgb15to32_C;
292
                rgb16to24= rgb16to24_C;
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                rgb16to32= rgb16to32_C;
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                rgb16to15= rgb16to15_C;
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                rgb24to16= rgb24to16_C;
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                rgb24to15= rgb24to15_C;
297
                rgb24to32= rgb24to32_C;
298
                rgb32to16= rgb32to16_C;
299
                rgb32to15= rgb32to15_C;
300
                rgb32to24= rgb32to24_C;
301
                rgb24tobgr15= rgb24tobgr15_C;
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                rgb24tobgr16= rgb24tobgr16_C;
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                rgb24tobgr24= rgb24tobgr24_C;
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                rgb32tobgr32= rgb32tobgr32_C;
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                rgb32tobgr16= rgb32tobgr16_C;
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                rgb32tobgr15= rgb32tobgr15_C;
307
                yv12toyuy2= yv12toyuy2_C;
308
                yv12touyvy= yv12touyvy_C;
309
                yuv422ptoyuy2= yuv422ptoyuy2_C;
310
                yuy2toyv12= yuy2toyv12_C;
311
//                uyvytoyv12= uyvytoyv12_C;
312
//                yvu9toyv12= yvu9toyv12_C;
313
                planar2x= planar2x_C;
314
                rgb24toyv12= rgb24toyv12_C;
315
                interleaveBytes= interleaveBytes_C;
316
                vu9_to_vu12= vu9_to_vu12_C;
317
                yvu9_to_yuy2= yvu9_to_yuy2_C;
318
        }
319
}
320

    
321
/**
322
 * Pallete is assumed to contain bgr32
323
 */
324
void palette8torgb32(const uint8_t *src, uint8_t *dst, unsigned num_pixels, const uint8_t *palette)
325
{
326
        unsigned i;
327

    
328
/*
329
        for(i=0; i<num_pixels; i++)
330
                ((unsigned *)dst)[i] = ((unsigned *)palette)[ src[i] ];
331
*/
332

    
333
        for(i=0; i<num_pixels; i++)
334
        {
335
                //FIXME slow?
336
                dst[0]= palette[ src[i]*4+2 ];
337
                dst[1]= palette[ src[i]*4+1 ];
338
                dst[2]= palette[ src[i]*4+0 ];
339
//                dst[3]= 0; /* do we need this cleansing? */
340
                dst+= 4;
341
        }
342
}
343

    
344
void palette8tobgr32(const uint8_t *src, uint8_t *dst, unsigned num_pixels, const uint8_t *palette)
345
{
346
        unsigned i;
347
        for(i=0; i<num_pixels; i++)
348
        {
349
                //FIXME slow?
350
                dst[0]= palette[ src[i]*4+0 ];
351
                dst[1]= palette[ src[i]*4+1 ];
352
                dst[2]= palette[ src[i]*4+2 ];
353
//                dst[3]= 0; /* do we need this cleansing? */
354
                dst+= 4;
355
        }
356
}
357

    
358
/**
359
 * Pallete is assumed to contain bgr32
360
 */
361
void palette8torgb24(const uint8_t *src, uint8_t *dst, unsigned num_pixels, const uint8_t *palette)
362
{
363
        unsigned i;
364
/*
365
        writes 1 byte o much and might cause alignment issues on some architectures?
366
        for(i=0; i<num_pixels; i++)
367
                ((unsigned *)(&dst[i*3])) = ((unsigned *)palette)[ src[i] ];
368
*/
369
        for(i=0; i<num_pixels; i++)
370
        {
371
                //FIXME slow?
372
                dst[0]= palette[ src[i]*4+2 ];
373
                dst[1]= palette[ src[i]*4+1 ];
374
                dst[2]= palette[ src[i]*4+0 ];
375
                dst+= 3;
376
        }
377
}
378

    
379
void palette8tobgr24(const uint8_t *src, uint8_t *dst, unsigned num_pixels, const uint8_t *palette)
380
{
381
        unsigned i;
382
/*
383
        writes 1 byte o much and might cause alignment issues on some architectures?
384
        for(i=0; i<num_pixels; i++)
385
                ((unsigned *)(&dst[i*3])) = ((unsigned *)palette)[ src[i] ];
386
*/
387
        for(i=0; i<num_pixels; i++)
388
        {
389
                //FIXME slow?
390
                dst[0]= palette[ src[i]*4+0 ];
391
                dst[1]= palette[ src[i]*4+1 ];
392
                dst[2]= palette[ src[i]*4+2 ];
393
                dst+= 3;
394
        }
395
}
396

    
397
/**
398
 * Palette is assumed to contain bgr16, see rgb32to16 to convert the palette
399
 */
400
void palette8torgb16(const uint8_t *src, uint8_t *dst, unsigned num_pixels, const uint8_t *palette)
401
{
402
        unsigned i;
403
        for(i=0; i<num_pixels; i++)
404
                ((uint16_t *)dst)[i] = ((uint16_t *)palette)[ src[i] ];
405
}
406
void palette8tobgr16(const uint8_t *src, uint8_t *dst, unsigned num_pixels, const uint8_t *palette)
407
{
408
        unsigned i;
409
        for(i=0; i<num_pixels; i++)
410
                ((uint16_t *)dst)[i] = bswap_16(((uint16_t *)palette)[ src[i] ]);
411
}
412

    
413
/**
414
 * Pallete is assumed to contain bgr15, see rgb32to15 to convert the palette
415
 */
416
void palette8torgb15(const uint8_t *src, uint8_t *dst, unsigned num_pixels, const uint8_t *palette)
417
{
418
        unsigned i;
419
        for(i=0; i<num_pixels; i++)
420
                ((uint16_t *)dst)[i] = ((uint16_t *)palette)[ src[i] ];
421
}
422
void palette8tobgr15(const uint8_t *src, uint8_t *dst, unsigned num_pixels, const uint8_t *palette)
423
{
424
        unsigned i;
425
        for(i=0; i<num_pixels; i++)
426
                ((uint16_t *)dst)[i] = bswap_16(((uint16_t *)palette)[ src[i] ]);
427
}
428

    
429
void rgb32tobgr24(const uint8_t *src, uint8_t *dst, unsigned int src_size)
430
{
431
        unsigned i;
432
        unsigned num_pixels = src_size >> 2;
433
        for(i=0; i<num_pixels; i++)
434
        {
435
                dst[3*i + 0] = src[4*i + 2];
436
                dst[3*i + 1] = src[4*i + 1];
437
                dst[3*i + 2] = src[4*i + 0];
438
        }
439
}
440

    
441
void rgb24tobgr32(const uint8_t *src, uint8_t *dst, unsigned int src_size)
442
{
443
        unsigned i;
444
        for(i=0; 3*i<src_size; i++)
445
        {
446
                dst[4*i + 0] = src[3*i + 2];
447
                dst[4*i + 1] = src[3*i + 1];
448
                dst[4*i + 2] = src[3*i + 0];
449
                dst[4*i + 3] = 0;
450
        }
451
}
452

    
453
void rgb16tobgr32(const uint8_t *src, uint8_t *dst, unsigned int src_size)
454
{
455
        const uint16_t *end;
456
        uint8_t *d = (uint8_t *)dst;
457
        const uint16_t *s = (uint16_t *)src;
458
        end = s + src_size/2;
459
        while(s < end)
460
        {
461
                register uint16_t bgr;
462
                bgr = *s++;
463
                *d++ = (bgr&0xF800)>>8;
464
                *d++ = (bgr&0x7E0)>>3;
465
                *d++ = (bgr&0x1F)<<3;
466
                *d++ = 0;
467
        }
468
}
469

    
470
void rgb16tobgr24(const uint8_t *src, uint8_t *dst, unsigned int src_size)
471
{
472
        const uint16_t *end;
473
        uint8_t *d = (uint8_t *)dst;
474
        const uint16_t *s = (const uint16_t *)src;
475
        end = s + src_size/2;
476
        while(s < end)
477
        {
478
                register uint16_t bgr;
479
                bgr = *s++;
480
                *d++ = (bgr&0xF800)>>8;
481
                *d++ = (bgr&0x7E0)>>3;
482
                *d++ = (bgr&0x1F)<<3;
483
        }
484
}
485

    
486
void rgb16tobgr16(const uint8_t *src, uint8_t *dst, unsigned int src_size)
487
{
488
        unsigned i;
489
        unsigned num_pixels = src_size >> 1;
490
        
491
        for(i=0; i<num_pixels; i++)
492
        {
493
            unsigned b,g,r;
494
            register uint16_t rgb;
495
            rgb = src[2*i];
496
            r = rgb&0x1F;
497
            g = (rgb&0x7E0)>>5;
498
            b = (rgb&0xF800)>>11;
499
            dst[2*i] = (b&0x1F) | ((g&0x3F)<<5) | ((r&0x1F)<<11);
500
        }
501
}
502

    
503
void rgb16tobgr15(const uint8_t *src, uint8_t *dst, unsigned int src_size)
504
{
505
        unsigned i;
506
        unsigned num_pixels = src_size >> 1;
507
        
508
        for(i=0; i<num_pixels; i++)
509
        {
510
            unsigned b,g,r;
511
            register uint16_t rgb;
512
            rgb = src[2*i];
513
            r = rgb&0x1F;
514
            g = (rgb&0x7E0)>>5;
515
            b = (rgb&0xF800)>>11;
516
            dst[2*i] = (b&0x1F) | ((g&0x1F)<<5) | ((r&0x1F)<<10);
517
        }
518
}
519

    
520
void rgb15tobgr32(const uint8_t *src, uint8_t *dst, unsigned int src_size)
521
{
522
        const uint16_t *end;
523
        uint8_t *d = (uint8_t *)dst;
524
        const uint16_t *s = (const uint16_t *)src;
525
        end = s + src_size/2;
526
        while(s < end)
527
        {
528
                register uint16_t bgr;
529
                bgr = *s++;
530
                *d++ = (bgr&0x7C00)>>7;
531
                *d++ = (bgr&0x3E0)>>2;
532
                *d++ = (bgr&0x1F)<<3;
533
                *d++ = 0;
534
        }
535
}
536

    
537
void rgb15tobgr24(const uint8_t *src, uint8_t *dst, unsigned int src_size)
538
{
539
        const uint16_t *end;
540
        uint8_t *d = (uint8_t *)dst;
541
        const uint16_t *s = (uint16_t *)src;
542
        end = s + src_size/2;
543
        while(s < end)
544
        {
545
                register uint16_t bgr;
546
                bgr = *s++;
547
                *d++ = (bgr&0x7C00)>>7;
548
                *d++ = (bgr&0x3E0)>>2;
549
                *d++ = (bgr&0x1F)<<3;
550
        }
551
}
552

    
553
void rgb15tobgr16(const uint8_t *src, uint8_t *dst, unsigned int src_size)
554
{
555
        unsigned i;
556
        unsigned num_pixels = src_size >> 1;
557
        
558
        for(i=0; i<num_pixels; i++)
559
        {
560
            unsigned b,g,r;
561
            register uint16_t rgb;
562
            rgb = src[2*i];
563
            r = rgb&0x1F;
564
            g = (rgb&0x3E0)>>5;
565
            b = (rgb&0x7C00)>>10;
566
            dst[2*i] = (b&0x1F) | ((g&0x3F)<<5) | ((r&0x1F)<<11);
567
        }
568
}
569

    
570
void rgb15tobgr15(const uint8_t *src, uint8_t *dst, unsigned int src_size)
571
{
572
        unsigned i;
573
        unsigned num_pixels = src_size >> 1;
574
        
575
        for(i=0; i<num_pixels; i++)
576
        {
577
            unsigned b,g,r;
578
            register uint16_t rgb;
579
            rgb = src[2*i];
580
            r = rgb&0x1F;
581
            g = (rgb&0x3E0)>>5;
582
            b = (rgb&0x7C00)>>10;
583
            dst[2*i] = (b&0x1F) | ((g&0x1F)<<5) | ((r&0x1F)<<10);
584
        }
585
}
586

    
587
void rgb8tobgr8(const uint8_t *src, uint8_t *dst, unsigned int src_size)
588
{
589
        unsigned i;
590
        unsigned num_pixels = src_size;
591
        for(i=0; i<num_pixels; i++)
592
        {
593
            unsigned b,g,r;
594
            register uint8_t rgb;
595
            rgb = src[i];
596
            r = (rgb&0x07);
597
            g = (rgb&0x38)>>3;
598
            b = (rgb&0xC0)>>6;
599
            dst[i] = ((b<<1)&0x07) | ((g&0x07)<<3) | ((r&0x03)<<6);
600
        }
601
}