yading@11: /* yading@11: * software RGB to RGB converter yading@11: * pluralize by software PAL8 to RGB converter yading@11: * software YUV to YUV converter yading@11: * software YUV to RGB converter yading@11: * Written by Nick Kurshev. yading@11: * palette & YUV & runtime CPU stuff by Michael (michaelni@gmx.at) yading@11: * yading@11: * This file is part of FFmpeg. yading@11: * yading@11: * FFmpeg is free software; you can redistribute it and/or yading@11: * modify it under the terms of the GNU Lesser General Public yading@11: * License as published by the Free Software Foundation; either yading@11: * version 2.1 of the License, or (at your option) any later version. yading@11: * yading@11: * FFmpeg is distributed in the hope that it will be useful, yading@11: * but WITHOUT ANY WARRANTY; without even the implied warranty of yading@11: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU yading@11: * Lesser General Public License for more details. yading@11: * yading@11: * You should have received a copy of the GNU Lesser General Public yading@11: * License along with FFmpeg; if not, write to the Free Software yading@11: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA yading@11: */ yading@11: yading@11: #include yading@11: yading@11: #include "libavutil/attributes.h" yading@11: #include "libavutil/bswap.h" yading@11: #include "config.h" yading@11: #include "rgb2rgb.h" yading@11: #include "swscale.h" yading@11: #include "swscale_internal.h" yading@11: yading@11: void (*rgb32tobgr24)(const uint8_t *src, uint8_t *dst, int src_size); yading@11: void (*rgb32tobgr16)(const uint8_t *src, uint8_t *dst, int src_size); yading@11: void (*rgb32tobgr15)(const uint8_t *src, uint8_t *dst, int src_size); yading@11: void (*rgb24tobgr32)(const uint8_t *src, uint8_t *dst, int src_size); yading@11: void (*rgb24tobgr24)(const uint8_t *src, uint8_t *dst, int src_size); yading@11: void (*rgb24tobgr16)(const uint8_t *src, uint8_t *dst, int src_size); yading@11: void (*rgb24tobgr15)(const uint8_t *src, uint8_t *dst, int src_size); yading@11: void (*rgb16tobgr24)(const uint8_t *src, uint8_t *dst, int src_size); yading@11: void (*rgb15tobgr24)(const uint8_t *src, uint8_t *dst, int src_size); yading@11: yading@11: void (*rgb32to16)(const uint8_t *src, uint8_t *dst, int src_size); yading@11: void (*rgb32to15)(const uint8_t *src, uint8_t *dst, int src_size); yading@11: void (*rgb24to16)(const uint8_t *src, uint8_t *dst, int src_size); yading@11: void (*rgb24to15)(const uint8_t *src, uint8_t *dst, int src_size); yading@11: void (*rgb16to32)(const uint8_t *src, uint8_t *dst, int src_size); yading@11: void (*rgb16to15)(const uint8_t *src, uint8_t *dst, int src_size); yading@11: void (*rgb15to16)(const uint8_t *src, uint8_t *dst, int src_size); yading@11: void (*rgb15to32)(const uint8_t *src, uint8_t *dst, int src_size); yading@11: yading@11: void (*shuffle_bytes_2103)(const uint8_t *src, uint8_t *dst, int src_size); yading@11: yading@11: void (*yv12toyuy2)(const uint8_t *ysrc, const uint8_t *usrc, yading@11: const uint8_t *vsrc, uint8_t *dst, yading@11: int width, int height, yading@11: int lumStride, int chromStride, int dstStride); yading@11: void (*yv12touyvy)(const uint8_t *ysrc, const uint8_t *usrc, yading@11: const uint8_t *vsrc, uint8_t *dst, yading@11: int width, int height, yading@11: int lumStride, int chromStride, int dstStride); yading@11: void (*yuv422ptoyuy2)(const uint8_t *ysrc, const uint8_t *usrc, yading@11: const uint8_t *vsrc, uint8_t *dst, yading@11: int width, int height, yading@11: int lumStride, int chromStride, int dstStride); yading@11: void (*yuv422ptouyvy)(const uint8_t *ysrc, const uint8_t *usrc, yading@11: const uint8_t *vsrc, uint8_t *dst, yading@11: int width, int height, yading@11: int lumStride, int chromStride, int dstStride); yading@11: void (*yuy2toyv12)(const uint8_t *src, uint8_t *ydst, yading@11: uint8_t *udst, uint8_t *vdst, yading@11: int width, int height, yading@11: int lumStride, int chromStride, int srcStride); yading@11: void (*ff_rgb24toyv12)(const uint8_t *src, uint8_t *ydst, yading@11: uint8_t *udst, uint8_t *vdst, yading@11: int width, int height, yading@11: int lumStride, int chromStride, int srcStride, yading@11: int32_t *rgb2yuv); yading@11: void (*planar2x)(const uint8_t *src, uint8_t *dst, int width, int height, yading@11: int srcStride, int dstStride); yading@11: void (*interleaveBytes)(const uint8_t *src1, const uint8_t *src2, uint8_t *dst, yading@11: int width, int height, int src1Stride, yading@11: int src2Stride, int dstStride); yading@11: void (*vu9_to_vu12)(const uint8_t *src1, const uint8_t *src2, yading@11: uint8_t *dst1, uint8_t *dst2, yading@11: int width, int height, yading@11: int srcStride1, int srcStride2, yading@11: int dstStride1, int dstStride2); yading@11: void (*yvu9_to_yuy2)(const uint8_t *src1, const uint8_t *src2, yading@11: const uint8_t *src3, uint8_t *dst, yading@11: int width, int height, yading@11: int srcStride1, int srcStride2, yading@11: int srcStride3, int dstStride); yading@11: void (*uyvytoyuv420)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, yading@11: const uint8_t *src, int width, int height, yading@11: int lumStride, int chromStride, int srcStride); yading@11: void (*uyvytoyuv422)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, yading@11: const uint8_t *src, int width, int height, yading@11: int lumStride, int chromStride, int srcStride); yading@11: void (*yuyvtoyuv420)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, yading@11: const uint8_t *src, int width, int height, yading@11: int lumStride, int chromStride, int srcStride); yading@11: void (*yuyvtoyuv422)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, yading@11: const uint8_t *src, int width, int height, yading@11: int lumStride, int chromStride, int srcStride); yading@11: yading@11: #define BY ((int)( 0.098 * (1 << RGB2YUV_SHIFT) + 0.5)) yading@11: #define BV ((int)(-0.071 * (1 << RGB2YUV_SHIFT) + 0.5)) yading@11: #define BU ((int)( 0.439 * (1 << RGB2YUV_SHIFT) + 0.5)) yading@11: #define GY ((int)( 0.504 * (1 << RGB2YUV_SHIFT) + 0.5)) yading@11: #define GV ((int)(-0.368 * (1 << RGB2YUV_SHIFT) + 0.5)) yading@11: #define GU ((int)(-0.291 * (1 << RGB2YUV_SHIFT) + 0.5)) yading@11: #define RY ((int)( 0.257 * (1 << RGB2YUV_SHIFT) + 0.5)) yading@11: #define RV ((int)( 0.439 * (1 << RGB2YUV_SHIFT) + 0.5)) yading@11: #define RU ((int)(-0.148 * (1 << RGB2YUV_SHIFT) + 0.5)) yading@11: yading@11: //plain C versions yading@11: #include "rgb2rgb_template.c" yading@11: yading@11: /* yading@11: * RGB15->RGB16 original by Strepto/Astral yading@11: * ported to gcc & bugfixed : A'rpi yading@11: * MMXEXT, 3DNOW optimization by Nick Kurshev yading@11: * 32-bit C version, and and&add trick by Michael Niedermayer yading@11: */ yading@11: yading@11: av_cold void sws_rgb2rgb_init(void) yading@11: { yading@11: rgb2rgb_init_c(); yading@11: if (HAVE_MMX) yading@11: rgb2rgb_init_x86(); yading@11: } yading@11: yading@11: void rgb32to24(const uint8_t *src, uint8_t *dst, int src_size) yading@11: { yading@11: int i, num_pixels = src_size >> 2; yading@11: yading@11: for (i = 0; i < num_pixels; i++) { yading@11: #if HAVE_BIGENDIAN yading@11: /* RGB32 (= A,B,G,R) -> BGR24 (= B,G,R) */ yading@11: dst[3 * i + 0] = src[4 * i + 1]; yading@11: dst[3 * i + 1] = src[4 * i + 2]; yading@11: dst[3 * i + 2] = src[4 * i + 3]; yading@11: #else yading@11: dst[3 * i + 0] = src[4 * i + 2]; yading@11: dst[3 * i + 1] = src[4 * i + 1]; yading@11: dst[3 * i + 2] = src[4 * i + 0]; yading@11: #endif yading@11: } yading@11: } yading@11: yading@11: void rgb24to32(const uint8_t *src, uint8_t *dst, int src_size) yading@11: { yading@11: int i; yading@11: yading@11: for (i = 0; 3 * i < src_size; i++) { yading@11: #if HAVE_BIGENDIAN yading@11: /* RGB24 (= R, G, B) -> BGR32 (= A, R, G, B) */ yading@11: dst[4 * i + 0] = 255; yading@11: dst[4 * i + 1] = src[3 * i + 0]; yading@11: dst[4 * i + 2] = src[3 * i + 1]; yading@11: dst[4 * i + 3] = src[3 * i + 2]; yading@11: #else yading@11: dst[4 * i + 0] = src[3 * i + 2]; yading@11: dst[4 * i + 1] = src[3 * i + 1]; yading@11: dst[4 * i + 2] = src[3 * i + 0]; yading@11: dst[4 * i + 3] = 255; yading@11: #endif yading@11: } yading@11: } yading@11: yading@11: void rgb16tobgr32(const uint8_t *src, uint8_t *dst, int src_size) yading@11: { yading@11: uint8_t *d = dst; yading@11: const uint16_t *s = (const uint16_t *)src; yading@11: const uint16_t *end = s + src_size / 2; yading@11: yading@11: while (s < end) { yading@11: register uint16_t bgr = *s++; yading@11: #if HAVE_BIGENDIAN yading@11: *d++ = 255; yading@11: *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2); yading@11: *d++ = ((bgr&0x07E0)>>3) | ((bgr&0x07E0)>> 9); yading@11: *d++ = ((bgr&0xF800)>>8) | ((bgr&0xF800)>>13); yading@11: #else yading@11: *d++ = ((bgr&0xF800)>>8) | ((bgr&0xF800)>>13); yading@11: *d++ = ((bgr&0x07E0)>>3) | ((bgr&0x07E0)>> 9); yading@11: *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2); yading@11: *d++ = 255; yading@11: #endif yading@11: } yading@11: } yading@11: yading@11: void rgb12to15(const uint8_t *src, uint8_t *dst, int src_size) yading@11: { yading@11: uint16_t rgb, r, g, b; yading@11: uint16_t *d = (uint16_t *)dst; yading@11: const uint16_t *s = (const uint16_t *)src; yading@11: const uint16_t *end = s + src_size / 2; yading@11: yading@11: while (s < end) { yading@11: rgb = *s++; yading@11: r = rgb & 0xF00; yading@11: g = rgb & 0x0F0; yading@11: b = rgb & 0x00F; yading@11: r = (r << 3) | ((r & 0x800) >> 1); yading@11: g = (g << 2) | ((g & 0x080) >> 2); yading@11: b = (b << 1) | ( b >> 3); yading@11: *d++ = r | g | b; yading@11: } yading@11: } yading@11: yading@11: void rgb16to24(const uint8_t *src, uint8_t *dst, int src_size) yading@11: { yading@11: uint8_t *d = dst; yading@11: const uint16_t *s = (const uint16_t *)src; yading@11: const uint16_t *end = s + src_size / 2; yading@11: yading@11: while (s < end) { yading@11: register uint16_t bgr = *s++; yading@11: *d++ = ((bgr&0xF800)>>8) | ((bgr&0xF800)>>13); yading@11: *d++ = ((bgr&0x07E0)>>3) | ((bgr&0x07E0)>> 9); yading@11: *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2); yading@11: } yading@11: } yading@11: yading@11: void rgb16tobgr16(const uint8_t *src, uint8_t *dst, int src_size) yading@11: { yading@11: int i, num_pixels = src_size >> 1; yading@11: yading@11: for (i = 0; i < num_pixels; i++) { yading@11: unsigned rgb = ((const uint16_t *)src)[i]; yading@11: ((uint16_t *)dst)[i] = (rgb >> 11) | (rgb & 0x7E0) | (rgb << 11); yading@11: } yading@11: } yading@11: yading@11: void rgb16tobgr15(const uint8_t *src, uint8_t *dst, int src_size) yading@11: { yading@11: int i, num_pixels = src_size >> 1; yading@11: yading@11: for (i = 0; i < num_pixels; i++) { yading@11: unsigned rgb = ((const uint16_t *)src)[i]; yading@11: ((uint16_t *)dst)[i] = (rgb >> 11) | ((rgb & 0x7C0) >> 1) | ((rgb & 0x1F) << 10); yading@11: } yading@11: } yading@11: yading@11: void rgb15tobgr32(const uint8_t *src, uint8_t *dst, int src_size) yading@11: { yading@11: uint8_t *d = dst; yading@11: const uint16_t *s = (const uint16_t *)src; yading@11: const uint16_t *end = s + src_size / 2; yading@11: yading@11: while (s < end) { yading@11: register uint16_t bgr = *s++; yading@11: #if HAVE_BIGENDIAN yading@11: *d++ = 255; yading@11: *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2); yading@11: *d++ = ((bgr&0x03E0)>>2) | ((bgr&0x03E0)>> 7); yading@11: *d++ = ((bgr&0x7C00)>>7) | ((bgr&0x7C00)>>12); yading@11: #else yading@11: *d++ = ((bgr&0x7C00)>>7) | ((bgr&0x7C00)>>12); yading@11: *d++ = ((bgr&0x03E0)>>2) | ((bgr&0x03E0)>> 7); yading@11: *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2); yading@11: *d++ = 255; yading@11: #endif yading@11: } yading@11: } yading@11: yading@11: void rgb15to24(const uint8_t *src, uint8_t *dst, int src_size) yading@11: { yading@11: uint8_t *d = dst; yading@11: const uint16_t *s = (const uint16_t *)src; yading@11: const uint16_t *end = s + src_size / 2; yading@11: yading@11: while (s < end) { yading@11: register uint16_t bgr = *s++; yading@11: *d++ = ((bgr&0x7C00)>>7) | ((bgr&0x7C00)>>12); yading@11: *d++ = ((bgr&0x03E0)>>2) | ((bgr&0x03E0)>> 7); yading@11: *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2); yading@11: } yading@11: } yading@11: yading@11: void rgb15tobgr16(const uint8_t *src, uint8_t *dst, int src_size) yading@11: { yading@11: int i, num_pixels = src_size >> 1; yading@11: yading@11: for (i = 0; i < num_pixels; i++) { yading@11: unsigned rgb = ((const uint16_t *)src)[i]; yading@11: ((uint16_t *)dst)[i] = ((rgb & 0x7C00) >> 10) | ((rgb & 0x3E0) << 1) | (rgb << 11); yading@11: } yading@11: } yading@11: yading@11: void rgb15tobgr15(const uint8_t *src, uint8_t *dst, int src_size) yading@11: { yading@11: int i, num_pixels = src_size >> 1; yading@11: yading@11: for (i = 0; i < num_pixels; i++) { yading@11: unsigned rgb = ((const uint16_t *)src)[i]; yading@11: unsigned br = rgb & 0x7C1F; yading@11: ((uint16_t *)dst)[i] = (br >> 10) | (rgb & 0x3E0) | (br << 10); yading@11: } yading@11: } yading@11: yading@11: void rgb12tobgr12(const uint8_t *src, uint8_t *dst, int src_size) yading@11: { yading@11: uint16_t *d = (uint16_t *)dst; yading@11: uint16_t *s = (uint16_t *)src; yading@11: int i, num_pixels = src_size >> 1; yading@11: yading@11: for (i = 0; i < num_pixels; i++) { yading@11: unsigned rgb = s[i]; yading@11: d[i] = (rgb << 8 | rgb & 0xF0 | rgb >> 8) & 0xFFF; yading@11: } yading@11: } yading@11: yading@11: yading@11: #define DEFINE_SHUFFLE_BYTES(a, b, c, d) \ yading@11: void shuffle_bytes_ ## a ## b ## c ## d(const uint8_t *src, \ yading@11: uint8_t *dst, int src_size) \ yading@11: { \ yading@11: int i; \ yading@11: \ yading@11: for (i = 0; i < src_size; i += 4) { \ yading@11: dst[i + 0] = src[i + a]; \ yading@11: dst[i + 1] = src[i + b]; \ yading@11: dst[i + 2] = src[i + c]; \ yading@11: dst[i + 3] = src[i + d]; \ yading@11: } \ yading@11: } yading@11: yading@11: DEFINE_SHUFFLE_BYTES(0, 3, 2, 1) yading@11: DEFINE_SHUFFLE_BYTES(1, 2, 3, 0) yading@11: DEFINE_SHUFFLE_BYTES(3, 0, 1, 2) yading@11: DEFINE_SHUFFLE_BYTES(3, 2, 1, 0) yading@11: yading@11: #define DEFINE_RGB48TOBGR48(need_bswap, swap) \ yading@11: void rgb48tobgr48_ ## need_bswap(const uint8_t *src, \ yading@11: uint8_t *dst, int src_size) \ yading@11: { \ yading@11: uint16_t *d = (uint16_t *)dst; \ yading@11: uint16_t *s = (uint16_t *)src; \ yading@11: int i, num_pixels = src_size >> 1; \ yading@11: \ yading@11: for (i = 0; i < num_pixels; i += 3) { \ yading@11: d[i ] = swap ? av_bswap16(s[i + 2]) : s[i + 2]; \ yading@11: d[i + 1] = swap ? av_bswap16(s[i + 1]) : s[i + 1]; \ yading@11: d[i + 2] = swap ? av_bswap16(s[i ]) : s[i ]; \ yading@11: } \ yading@11: } yading@11: yading@11: DEFINE_RGB48TOBGR48(nobswap, 0) yading@11: DEFINE_RGB48TOBGR48(bswap, 1) yading@11: yading@11: #define DEFINE_RGB64TOBGR48(need_bswap, swap) \ yading@11: void rgb64tobgr48_ ## need_bswap(const uint8_t *src, \ yading@11: uint8_t *dst, int src_size) \ yading@11: { \ yading@11: uint16_t *d = (uint16_t *)dst; \ yading@11: uint16_t *s = (uint16_t *)src; \ yading@11: int i, num_pixels = src_size >> 3; \ yading@11: \ yading@11: for (i = 0; i < num_pixels; i++) { \ yading@11: d[3 * i ] = swap ? av_bswap16(s[4 * i + 2]) : s[4 * i + 2]; \ yading@11: d[3 * i + 1] = swap ? av_bswap16(s[4 * i + 1]) : s[4 * i + 1]; \ yading@11: d[3 * i + 2] = swap ? av_bswap16(s[4 * i ]) : s[4 * i ]; \ yading@11: } \ yading@11: } yading@11: yading@11: DEFINE_RGB64TOBGR48(nobswap, 0) yading@11: DEFINE_RGB64TOBGR48(bswap, 1) yading@11: yading@11: #define DEFINE_RGB64TO48(need_bswap, swap) \ yading@11: void rgb64to48_ ## need_bswap(const uint8_t *src, \ yading@11: uint8_t *dst, int src_size) \ yading@11: { \ yading@11: uint16_t *d = (uint16_t *)dst; \ yading@11: uint16_t *s = (uint16_t *)src; \ yading@11: int i, num_pixels = src_size >> 3; \ yading@11: \ yading@11: for (i = 0; i < num_pixels; i++) { \ yading@11: d[3 * i ] = swap ? av_bswap16(s[4 * i ]) : s[4 * i ]; \ yading@11: d[3 * i + 1] = swap ? av_bswap16(s[4 * i + 1]) : s[4 * i + 1]; \ yading@11: d[3 * i + 2] = swap ? av_bswap16(s[4 * i + 2]) : s[4 * i + 2]; \ yading@11: } \ yading@11: } yading@11: yading@11: DEFINE_RGB64TO48(nobswap, 0) yading@11: DEFINE_RGB64TO48(bswap, 1)