diff options
Diffstat (limited to 'contrib/ffmpeg/libswscale/rgb2rgb.c')
| -rw-r--r-- | contrib/ffmpeg/libswscale/rgb2rgb.c | 534 |
1 files changed, 534 insertions, 0 deletions
diff --git a/contrib/ffmpeg/libswscale/rgb2rgb.c b/contrib/ffmpeg/libswscale/rgb2rgb.c new file mode 100644 index 000000000..faf3e95c6 --- /dev/null +++ b/contrib/ffmpeg/libswscale/rgb2rgb.c @@ -0,0 +1,534 @@ +/* + * 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 Street, 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" + +#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) +DECLARE_ASM_CONST(8, uint64_t, mmx_null) = 0x0000000000000000ULL; +DECLARE_ASM_CONST(8, uint64_t, mmx_one) = 0xFFFFFFFFFFFFFFFFULL; +DECLARE_ASM_CONST(8, uint64_t, mask32b) = 0x000000FF000000FFULL; +DECLARE_ASM_CONST(8, uint64_t, mask32g) = 0x0000FF000000FF00ULL; +DECLARE_ASM_CONST(8, uint64_t, mask32r) = 0x00FF000000FF0000ULL; +DECLARE_ASM_CONST(8, uint64_t, mask32) = 0x00FFFFFF00FFFFFFULL; +DECLARE_ASM_CONST(8, uint64_t, mask3216br) = 0x00F800F800F800F8ULL; +DECLARE_ASM_CONST(8, uint64_t, mask3216g) = 0x0000FC000000FC00ULL; +DECLARE_ASM_CONST(8, uint64_t, mask3215g) = 0x0000F8000000F800ULL; +DECLARE_ASM_CONST(8, uint64_t, mul3216) = 0x2000000420000004ULL; +DECLARE_ASM_CONST(8, uint64_t, mul3215) = 0x2000000820000008ULL; +DECLARE_ASM_CONST(8, uint64_t, mask24b) = 0x00FF0000FF0000FFULL; +DECLARE_ASM_CONST(8, uint64_t, mask24g) = 0xFF0000FF0000FF00ULL; +DECLARE_ASM_CONST(8, uint64_t, mask24r) = 0x0000FF0000FF0000ULL; +DECLARE_ASM_CONST(8, uint64_t, mask24l) = 0x0000000000FFFFFFULL; +DECLARE_ASM_CONST(8, uint64_t, mask24h) = 0x0000FFFFFF000000ULL; +DECLARE_ASM_CONST(8, uint64_t, mask24hh) = 0xffff000000000000ULL; +DECLARE_ASM_CONST(8, uint64_t, mask24hhh) = 0xffffffff00000000ULL; +DECLARE_ASM_CONST(8, uint64_t, mask24hhhh) = 0xffffffffffff0000ULL; +DECLARE_ASM_CONST(8, uint64_t, mask15b) = 0x001F001F001F001FULL; /* 00000000 00011111 xxB */ +DECLARE_ASM_CONST(8, uint64_t, mask15rg) = 0x7FE07FE07FE07FE0ULL; /* 01111111 11100000 RGx */ +DECLARE_ASM_CONST(8, uint64_t, mask15s) = 0xFFE0FFE0FFE0FFE0ULL; +DECLARE_ASM_CONST(8, uint64_t, mask15g) = 0x03E003E003E003E0ULL; +DECLARE_ASM_CONST(8, uint64_t, mask15r) = 0x7C007C007C007C00ULL; +#define mask16b mask15b +DECLARE_ASM_CONST(8, uint64_t, mask16g) = 0x07E007E007E007E0ULL; +DECLARE_ASM_CONST(8, uint64_t, mask16r) = 0xF800F800F800F800ULL; +DECLARE_ASM_CONST(8, uint64_t, red_16mask) = 0x0000f8000000f800ULL; +DECLARE_ASM_CONST(8, uint64_t, green_16mask) = 0x000007e0000007e0ULL; +DECLARE_ASM_CONST(8, uint64_t, blue_16mask) = 0x0000001f0000001fULL; +DECLARE_ASM_CONST(8, uint64_t, red_15mask) = 0x00007c0000007c00ULL; +DECLARE_ASM_CONST(8, uint64_t, green_15mask) = 0x000003e0000003e0ULL; +DECLARE_ASM_CONST(8, uint64_t, blue_15mask) = 0x0000001f0000001fULL; + +#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) + rgb2rgb_init_MMX2(); + else if (flags & SWS_CPU_CAPS_3DNOW) + rgb2rgb_init_3DNOW(); + else if (flags & SWS_CPU_CAPS_MMX) + rgb2rgb_init_MMX(); + else +#endif /* defined(HAVE_MMX2) || defined(HAVE_3DNOW) || defined(HAVE_MMX) */ + rgb2rgb_init_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); + } +} |