| /* |
| * software RGB to RGB converter |
| * pluralize by software PAL8 to RGB converter |
| * software YUV to YUV converter |
| * software YUV to RGB converter |
| * 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. |
| */ |
| #include <inttypes.h> |
| #include "config.h" |
| #include "libavutil/x86_cpu.h" |
| #include "libavutil/bswap.h" |
| #include "rgb2rgb.h" |
| #include "swscale.h" |
| #include "swscale_internal.h" |
| |
| #define FAST_BGR2YV12 // use 7-bit instead of 15-bit coefficients |
| |
| void (*rgb24tobgr32)(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 (*rgb32tobgr24)(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 (*rgb15tobgr24)(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 (*rgb16tobgr24)(const uint8_t *src, uint8_t *dst, long src_size); |
| void (*rgb16to32)(const uint8_t *src, uint8_t *dst, long src_size); |
| void (*rgb24tobgr24)(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 (*rgb32tobgr32)(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 (*yuv422ptouyvy)(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); |
| void (*uyvytoyuv420)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src, |
| long width, long height, |
| long lumStride, long chromStride, long srcStride); |
| void (*uyvytoyuv422)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src, |
| long width, long height, |
| long lumStride, long chromStride, long srcStride); |
| void (*yuyvtoyuv420)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src, |
| long width, long height, |
| long lumStride, long chromStride, long srcStride); |
| void (*yuyvtoyuv422)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src, |
| long width, long height, |
| long lumStride, long chromStride, long srcStride); |
| |
| |
| #if ARCH_X86 && 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, mask32a) = 0xFF000000FF000000ULL; |
| 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; |
| #endif /* 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 versions, there is no 3DNOW + MMX2 one. |
| //plain C versions |
| #undef HAVE_MMX |
| #undef HAVE_MMX2 |
| #undef HAVE_AMD3DNOW |
| #undef HAVE_SSE2 |
| #define HAVE_MMX 0 |
| #define HAVE_MMX2 0 |
| #define HAVE_AMD3DNOW 0 |
| #define HAVE_SSE2 0 |
| #define RENAME(a) a ## _C |
| #include "rgb2rgb_template.c" |
| |
| #if ARCH_X86 && CONFIG_GPL |
| |
| //MMX versions |
| #undef RENAME |
| #undef HAVE_MMX |
| #define HAVE_MMX 1 |
| #define RENAME(a) a ## _MMX |
| #include "rgb2rgb_template.c" |
| |
| //MMX2 versions |
| #undef RENAME |
| #undef HAVE_MMX2 |
| #define HAVE_MMX2 1 |
| #define RENAME(a) a ## _MMX2 |
| #include "rgb2rgb_template.c" |
| |
| //3DNOW versions |
| #undef RENAME |
| #undef HAVE_MMX2 |
| #undef HAVE_AMD3DNOW |
| #define HAVE_MMX2 0 |
| #define HAVE_AMD3DNOW 1 |
| #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 |
| 32-bit C version, and and&add trick by Michael Niedermayer |
| */ |
| |
| void sws_rgb2rgb_init(int flags){ |
| #if (HAVE_MMX2 || HAVE_AMD3DNOW || HAVE_MMX) && 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 /* HAVE_MMX2 || HAVE_AMD3DNOW || HAVE_MMX */ |
| rgb2rgb_init_C(); |
| } |
| |
| /** |
| * Convert the palette to the same packet 32-bit format as the palette |
| */ |
| void palette8topacked32(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette) |
| { |
| long i; |
| |
| for (i=0; i<num_pixels; i++) |
| ((uint32_t *) dst)[i] = ((const uint32_t *) palette)[src[i]]; |
| } |
| |
| /** |
| * Palette format: ABCD -> dst format: ABC |
| */ |
| void palette8topacked24(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette) |
| { |
| long 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] = ((const 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(((const 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] = ((const 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(((const uint16_t *)palette)[src[i]]); |
| } |
| |
| void rgb32to24(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 rgb24to32(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] = 255; |
| 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] = 255; |
| #endif |
| } |
| } |
| |
| void rgb16tobgr32(const uint8_t *src, uint8_t *dst, long src_size) |
| { |
| const uint16_t *end; |
| uint8_t *d = 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++ = 255; |
| *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++ = 255; |
| #endif |
| } |
| } |
| |
| void rgb16to24(const uint8_t *src, uint8_t *dst, long src_size) |
| { |
| const uint16_t *end; |
| uint8_t *d = 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 rgb = ((const uint16_t*)src)[i]; |
| ((uint16_t*)dst)[i] = (rgb>>11) | (rgb&0x7E0) | (rgb<<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 rgb = ((const uint16_t*)src)[i]; |
| ((uint16_t*)dst)[i] = (rgb>>11) | ((rgb&0x7C0)>>1) | ((rgb&0x1F)<<10); |
| } |
| } |
| |
| void rgb15tobgr32(const uint8_t *src, uint8_t *dst, long src_size) |
| { |
| const uint16_t *end; |
| uint8_t *d = 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++ = 255; |
| *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++ = 255; |
| #endif |
| } |
| } |
| |
| void rgb15to24(const uint8_t *src, uint8_t *dst, long src_size) |
| { |
| const uint16_t *end; |
| uint8_t *d = 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&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 rgb = ((const uint16_t*)src)[i]; |
| ((uint16_t*)dst)[i] = ((rgb&0x7C00)>>10) | ((rgb&0x3E0)<<1) | (rgb<<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 br; |
| unsigned rgb = ((const uint16_t*)src)[i]; |
| br = rgb&0x7c1F; |
| ((uint16_t*)dst)[i] = (br>>10) | (rgb&0x3E0) | (br<<10); |
| } |
| } |
| |
| void bgr8torgb8(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); |
| } |
| } |