Parent Directory
|
Revision Log
Moved dev-api-3 to HEAD -- Nasty but efficient -- Merging work has been done too
/************************************************************************** * * XVID MPEG-4 VIDEO CODEC * colorspace conversions * * This program 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. * * This program 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 this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * *************************************************************************/ /************************************************************************** * * History: * * 14.04.2002 added user_to_yuv_c() * 30.02.2002 out_yuv dst_stride2 fix * 26.02.2002 rgb555, rgb565 * 24.11.2001 accuracy improvement to yuyv/vyuy conversion * 28.10.2001 total rewrite <pross@cs.rmit.edu.au> * **************************************************************************/ #include <string.h> // memcpy #include "../global.h" #include "../divx4.h" // DEC_PICTURE #include "colorspace.h" // function pointers /* input */ packedFuncPtr rgb555_to_yv12; packedFuncPtr rgb565_to_yv12; packedFuncPtr bgr_to_yv12; packedFuncPtr bgra_to_yv12; packedFuncPtr abgr_to_yv12; packedFuncPtr rgba_to_yv12; packedFuncPtr yuv_to_yv12; packedFuncPtr yuyv_to_yv12; packedFuncPtr uyvy_to_yv12; packedFuncPtr rgb555i_to_yv12; packedFuncPtr rgb565i_to_yv12; packedFuncPtr bgri_to_yv12; packedFuncPtr bgrai_to_yv12; packedFuncPtr abgri_to_yv12; packedFuncPtr rgbai_to_yv12; packedFuncPtr yuyvi_to_yv12; packedFuncPtr uyvyi_to_yv12; /* output */ packedFuncPtr yv12_to_rgb555; packedFuncPtr yv12_to_rgb565; packedFuncPtr yv12_to_bgr; packedFuncPtr yv12_to_bgra; packedFuncPtr yv12_to_abgr; packedFuncPtr yv12_to_rgba; packedFuncPtr yv12_to_yuv; packedFuncPtr yv12_to_yuyv; packedFuncPtr yv12_to_uyvy; packedFuncPtr yv12_to_rgb555i; packedFuncPtr yv12_to_rgb565i; packedFuncPtr yv12_to_bgri; packedFuncPtr yv12_to_bgrai; packedFuncPtr yv12_to_abgri; packedFuncPtr yv12_to_rgbai; packedFuncPtr yv12_to_yuyvi; packedFuncPtr yv12_to_uyvyi; planarFuncPtr yv12_to_yv12; int32_t RGB_Y_tab[256]; int32_t B_U_tab[256]; int32_t G_U_tab[256]; int32_t G_V_tab[256]; int32_t R_V_tab[256]; /********** generic colorspace macro **********/ #define MAKE_COLORSPACE(NAME,SIZE,PIXELS,VPIXELS,FUNC,C1,C2,C3,C4) \ void \ NAME(uint8_t * x_ptr, int x_stride, \ uint8_t * y_ptr, uint8_t * u_ptr, uint8_t * v_ptr, \ int y_stride, int uv_stride, \ int width, int height, int vflip) \ { \ int fixed_width = (width + 1) & ~1; \ int x_dif = x_stride - (SIZE)*fixed_width; \ int y_dif = y_stride - fixed_width; \ int uv_dif = uv_stride - (fixed_width / 2); \ int x, y; \ if (vflip) { \ x_ptr += (height - 1) * x_stride; \ x_dif = -(SIZE)*fixed_width - x_stride; \ x_stride = -x_stride; \ } \ for (y = 0; y < height; y+=(VPIXELS)) { \ FUNC##_ROW(SIZE,C1,C2,C3,C4); \ for (x = 0; x < fixed_width; x+=(PIXELS)) { \ FUNC(SIZE,C1,C2,C3,C4); \ x_ptr += (PIXELS)*(SIZE); \ y_ptr += (PIXELS); \ u_ptr += (PIXELS)/2; \ v_ptr += (PIXELS)/2; \ } \ x_ptr += x_dif + (VPIXELS-1)*x_stride; \ y_ptr += y_dif + (VPIXELS-1)*y_stride; \ u_ptr += uv_dif + ((VPIXELS/2)-1)*uv_stride; \ v_ptr += uv_dif + ((VPIXELS/2)-1)*uv_stride; \ } \ } /********** colorspace input (xxx_to_yv12) functions **********/ /* rgb -> yuv def's this following constants are "official spec" Video Demystified" (ISBN 1-878707-09-4) rgb<->yuv _is_ lossy, since most programs do the conversion differently SCALEBITS/FIX taken from ffmpeg */ #define Y_R_IN 0.257 #define Y_G_IN 0.504 #define Y_B_IN 0.098 #define Y_ADD_IN 16 #define U_R_IN 0.148 #define U_G_IN 0.291 #define U_B_IN 0.439 #define U_ADD_IN 128 #define V_R_IN 0.439 #define V_G_IN 0.368 #define V_B_IN 0.071 #define V_ADD_IN 128 #define SCALEBITS_IN 8 #define FIX_IN(x) ((uint16_t) ((x) * (1L<<SCALEBITS_IN) + 0.5)) /* rgb16/rgb16i input */ #define MK_RGB555_B(RGB) ((RGB) << 3) & 0xf8 #define MK_RGB555_G(RGB) ((RGB) >> 2) & 0xf8 #define MK_RGB555_R(RGB) ((RGB) >> 7) & 0xf8 #define MK_RGB565_B(RGB) ((RGB) << 3) & 0xf8 #define MK_RGB565_G(RGB) ((RGB) >> 3) & 0xfc #define MK_RGB565_R(RGB) ((RGB) >> 8) & 0xf8 #define READ_RGB16_Y(ROW, UVID, C1,C2,C3,C4) \ rgb = *(uint16_t *) (x_ptr + ((ROW)*x_stride) + 0); \ b##UVID += b = C1##_B(rgb); \ g##UVID += g = C1##_G(rgb); \ r##UVID += r = C1##_R(rgb); \ y_ptr[(ROW)*y_stride+0] = \ (uint8_t) ((FIX_IN(Y_R_IN) * r + FIX_IN(Y_G_IN) * g + \ FIX_IN(Y_B_IN) * b) >> SCALEBITS_IN) + Y_ADD_IN; \ rgb = *(uint16_t *) (x_ptr + ((ROW)*x_stride) + 2); \ b##UVID += b = C1##_B(rgb); \ g##UVID += g = C1##_G(rgb); \ r##UVID += r = C1##_R(rgb); \ y_ptr[(ROW)*y_stride+1] = \ (uint8_t) ((FIX_IN(Y_R_IN) * r + FIX_IN(Y_G_IN) * g + \ FIX_IN(Y_B_IN) * b) >> SCALEBITS_IN) + Y_ADD_IN; #define READ_RGB16_UV(UV_ROW,UVID) \ u_ptr[(UV_ROW)*uv_stride] = \ (uint8_t) ((-FIX_IN(U_R_IN) * r##UVID - FIX_IN(U_G_IN) * g##UVID + \ FIX_IN(U_B_IN) * b##UVID) >> (SCALEBITS_IN + 2)) + U_ADD_IN; \ v_ptr[(UV_ROW)*uv_stride] = \ (uint8_t) ((FIX_IN(V_R_IN) * r##UVID - FIX_IN(V_G_IN) * g##UVID - \ FIX_IN(V_B_IN) * b##UVID) >> (SCALEBITS_IN + 2)) + V_ADD_IN; #define RGB16_TO_YV12_ROW(SIZE,C1,C2,C3,C4) \ /* nothing */ #define RGB16_TO_YV12(SIZE,C1,C2,C3,C4) \ uint32_t rgb, r, g, b, r0, g0, b0; \ r0 = g0 = b0 = 0; \ READ_RGB16_Y (0, 0, C1,C2,C3,C4) \ READ_RGB16_Y (1, 0, C1,C2,C3,C4) \ READ_RGB16_UV(0, 0) #define RGB16I_TO_YV12_ROW(SIZE,C1,C2,C3,C4) \ /* nothing */ #define RGB16I_TO_YV12(SIZE,C1,C2,C3,C4) \ uint32_t rgb, r, g, b, r0, g0, b0, r1, g1, b1; \ r0 = g0 = b0 = r1 = g1 = b1 = 0; \ READ_RGB16_Y (0, 0, C1,C2,C3,C4) \ READ_RGB16_Y (1, 1, C1,C2,C3,C4) \ READ_RGB16_Y (2, 0, C1,C2,C3,C4) \ READ_RGB16_Y (3, 1, C1,C2,C3,C4) \ READ_RGB16_UV(0, 0) \ READ_RGB16_UV(1, 1) /* rgb/rgbi input */ #define READ_RGB_Y(SIZE, ROW, UVID, C1,C2,C3,C4) \ r##UVID += r = x_ptr[(ROW)*x_stride+(C1)]; \ g##UVID += g = x_ptr[(ROW)*x_stride+(C2)]; \ b##UVID += b = x_ptr[(ROW)*x_stride+(C3)]; \ y_ptr[(ROW)*y_stride+0] = \ (uint8_t) ((FIX_IN(Y_R_IN) * r + FIX_IN(Y_G_IN) * g + \ FIX_IN(Y_B_IN) * b) >> SCALEBITS_IN) + Y_ADD_IN; \ r##UVID += r = x_ptr[(ROW)*x_stride+(SIZE)+(C1)]; \ g##UVID += g = x_ptr[(ROW)*x_stride+(SIZE)+(C2)]; \ b##UVID += b = x_ptr[(ROW)*x_stride+(SIZE)+(C3)]; \ y_ptr[(ROW)*y_stride+1] = \ (uint8_t) ((FIX_IN(Y_R_IN) * r + FIX_IN(Y_G_IN) * g + \ FIX_IN(Y_B_IN) * b) >> SCALEBITS_IN) + Y_ADD_IN; #define READ_RGB_UV(UV_ROW,UVID) \ u_ptr[(UV_ROW)*uv_stride] = \ (uint8_t) ((-FIX_IN(U_R_IN) * r##UVID - FIX_IN(U_G_IN) * g##UVID + \ FIX_IN(U_B_IN) * b##UVID) >> (SCALEBITS_IN + 2)) + U_ADD_IN; \ v_ptr[(UV_ROW)*uv_stride] = \ (uint8_t) ((FIX_IN(V_R_IN) * r##UVID - FIX_IN(V_G_IN) * g##UVID - \ FIX_IN(V_B_IN) * b##UVID) >> (SCALEBITS_IN + 2)) + V_ADD_IN; #define RGB_TO_YV12_ROW(SIZE,C1,C2,C3,C4) \ /* nothing */ #define RGB_TO_YV12(SIZE,C1,C2,C3,C4) \ uint32_t r, g, b, r0, g0, b0; \ r0 = g0 = b0 = 0; \ READ_RGB_Y(SIZE, 0, 0, C1,C2,C3,C4) \ READ_RGB_Y(SIZE, 1, 0, C1,C2,C3,C4) \ READ_RGB_UV( 0, 0) #define RGBI_TO_YV12_ROW(SIZE,C1,C2,C3,C4) \ /* nothing */ #define RGBI_TO_YV12(SIZE,C1,C2,C3,C4) \ uint32_t r, g, b, r0, g0, b0, r1, g1, b1; \ r0 = g0 = b0 = r1 = g1 = b1 = 0; \ READ_RGB_Y(SIZE, 0, 0, C1,C2,C3,C4) \ READ_RGB_Y(SIZE, 1, 1, C1,C2,C3,C4) \ READ_RGB_Y(SIZE, 2, 0, C1,C2,C3,C4) \ READ_RGB_Y(SIZE, 3, 1, C1,C2,C3,C4) \ READ_RGB_UV( 0, 0) \ READ_RGB_UV( 1, 1) /* yuyv/yuyvi input */ #define READ_YUYV_Y(ROW,C1,C2,C3,C4) \ y_ptr[(ROW)*y_stride+0] = x_ptr[(ROW)*x_stride+(C1)]; \ y_ptr[(ROW)*y_stride+1] = x_ptr[(ROW)*x_stride+(C3)]; #define READ_YUYV_UV(UV_ROW,ROW1,ROW2,C1,C2,C3,C4) \ u_ptr[(UV_ROW)*uv_stride] = (x_ptr[(ROW1)*x_stride+(C2)] + x_ptr[(ROW2)*x_stride+(C2)] + 1) / 2; \ v_ptr[(UV_ROW)*uv_stride] = (x_ptr[(ROW1)*x_stride+(C4)] + x_ptr[(ROW2)*x_stride+(C4)] + 1) / 2; #define YUYV_TO_YV12_ROW(SIZE,C1,C2,C3,C4) \ /* nothing */ #define YUYV_TO_YV12(SIZE,C1,C2,C3,C4) \ READ_YUYV_Y (0, C1,C2,C3,C4) \ READ_YUYV_Y (1, C1,C2,C3,C4) \ READ_YUYV_UV(0, 0,1, C1,C2,C3,C4) #define YUYVI_TO_YV12_ROW(SIZE,C1,C2,C3,C4) \ /* nothing */ #define YUYVI_TO_YV12(SIZE,C1,C2,C3,C4) \ READ_YUYV_Y (0, C1,C2,C3,C4) \ READ_YUYV_Y (1, C1,C2,C3,C4) \ READ_YUYV_Y (2, C1,C2,C3,C4) \ READ_YUYV_Y (3, C1,C2,C3,C4) \ READ_YUYV_UV(0, 0,2, C1,C2,C3,C4) \ READ_YUYV_UV(1, 1,3, C1,C2,C3,C4) MAKE_COLORSPACE(rgb555_to_yv12_c, 2,2,2, RGB16_TO_YV12, MK_RGB555, 0,0,0) MAKE_COLORSPACE(rgb565_to_yv12_c, 2,2,2, RGB16_TO_YV12, MK_RGB565, 0,0,0) MAKE_COLORSPACE(bgr_to_yv12_c, 3,2,2, RGB_TO_YV12, 2,1,0, 0) MAKE_COLORSPACE(bgra_to_yv12_c, 4,2,2, RGB_TO_YV12, 2,1,0, 0) MAKE_COLORSPACE(abgr_to_yv12_c, 4,2,2, RGB_TO_YV12, 3,2,1, 0) MAKE_COLORSPACE(rgba_to_yv12_c, 4,2,2, RGB_TO_YV12, 0,1,2, 0) MAKE_COLORSPACE(yuyv_to_yv12_c, 2,2,2, YUYV_TO_YV12, 0,1,2,3) MAKE_COLORSPACE(uyvy_to_yv12_c, 2,2,2, YUYV_TO_YV12, 1,0,3,2) MAKE_COLORSPACE(rgb555i_to_yv12_c, 2,2,4, RGB16I_TO_YV12, MK_RGB555, 0,0,0) MAKE_COLORSPACE(rgb565i_to_yv12_c, 2,2,4, RGB16I_TO_YV12, MK_RGB565, 0,0,0) MAKE_COLORSPACE(bgri_to_yv12_c, 3,2,4, RGBI_TO_YV12, 2,1,0, 0) MAKE_COLORSPACE(bgrai_to_yv12_c, 4,2,4, RGBI_TO_YV12, 2,1,0, 0) MAKE_COLORSPACE(abgri_to_yv12_c, 4,2,4, RGBI_TO_YV12, 3,2,1, 0) MAKE_COLORSPACE(rgbai_to_yv12_c, 4,2,4, RGBI_TO_YV12, 0,1,2, 0) MAKE_COLORSPACE(yuyvi_to_yv12_c, 2,2,4, YUYVI_TO_YV12, 0,1,2,3) MAKE_COLORSPACE(uyvyi_to_yv12_c, 2,2,4, YUYVI_TO_YV12, 1,0,3,2) /********** colorspace output (yv12_to_xxx) functions **********/ /* yuv -> rgb def's */ #define RGB_Y_OUT 1.164 #define B_U_OUT 2.018 #define Y_ADD_OUT 16 #define G_U_OUT 0.391 #define G_V_OUT 0.813 #define U_ADD_OUT 128 #define R_V_OUT 1.596 #define V_ADD_OUT 128 #define SCALEBITS_OUT 13 #define FIX_OUT(x) ((uint16_t) ((x) * (1L<<SCALEBITS_OUT) + 0.5)) /* rgb16/rgb16i output */ #define MK_RGB555(R,G,B) \ ((MAX(0,MIN(255, R)) << 7) & 0x7c00) | \ ((MAX(0,MIN(255, G)) << 2) & 0x03e0) | \ ((MAX(0,MIN(255, B)) >> 3) & 0x001f) #define MK_RGB565(R,G,B) \ ((MAX(0,MIN(255, R)) << 8) & 0xf800) | \ ((MAX(0,MIN(255, G)) << 3) & 0x07e0) | \ ((MAX(0,MIN(255, B)) >> 3) & 0x001f) #define WRITE_RGB16(ROW,UV_ROW,C1) \ rgb_y = RGB_Y_tab[ y_ptr[y_stride + 0] ]; \ b[ROW] = (b[ROW] & 0x7) + ((rgb_y + b_u##UV_ROW) >> SCALEBITS_OUT); \ g[ROW] = (g[ROW] & 0x7) + ((rgb_y - g_uv##UV_ROW) >> SCALEBITS_OUT); \ r[ROW] = (r[ROW] & 0x7) + ((rgb_y + r_v##UV_ROW) >> SCALEBITS_OUT); \ *(uint16_t *) (x_ptr+((ROW)*x_stride)+0) = C1(r[ROW], g[ROW], b[ROW]); \ rgb_y = RGB_Y_tab[ y_ptr[y_stride + 1] ]; \ b[ROW] = (b[ROW] & 0x7) + ((rgb_y + b_u##UV_ROW) >> SCALEBITS_OUT); \ g[ROW] = (g[ROW] & 0x7) + ((rgb_y - g_uv##UV_ROW) >> SCALEBITS_OUT); \ r[ROW] = (r[ROW] & 0x7) + ((rgb_y + r_v##UV_ROW) >> SCALEBITS_OUT); \ *(uint16_t *) (x_ptr+((ROW)*x_stride)+2) = C1(r[ROW], g[ROW], b[ROW]); #define YV12_TO_RGB16_ROW(SIZE,C1,C2,C3,C4) \ int r[2], g[2], b[2]; \ r[0] = r[1] = g[0] = g[1] = b[0] = b[1] = 0; #define YV12_TO_RGB16(SIZE,C1,C2,C3,C4) \ int rgb_y; \ int b_u0 = B_U_tab[ u_ptr[0] ]; \ int g_uv0 = G_U_tab[ u_ptr[0] ] + G_V_tab[ v_ptr[0] ]; \ int r_v0 = R_V_tab[ v_ptr[0] ]; \ WRITE_RGB16(0, 0, C1) \ WRITE_RGB16(1, 0, C1) #define YV12_TO_RGB16I_ROW(SIZE,C1,C2,C3,C4) \ int r[4], g[4], b[4]; \ r[0] = r[1] = r[2] = r[3] = 0; \ g[0] = g[1] = g[2] = g[3] = 0; \ b[0] = b[1] = b[2] = b[3] = 0; #define YV12_TO_RGB16I(SIZE,C1,C2,C3,C4) \ int rgb_y; \ int b_u0 = B_U_tab[ u_ptr[0] ]; \ int g_uv0 = G_U_tab[ u_ptr[0] ] + G_V_tab[ v_ptr[0] ]; \ int r_v0 = R_V_tab[ v_ptr[0] ]; \ int b_u1 = B_U_tab[ u_ptr[uv_stride] ]; \ int g_uv1 = G_U_tab[ u_ptr[uv_stride] ] + G_V_tab[ v_ptr[uv_stride] ]; \ int r_v1 = R_V_tab[ v_ptr[uv_stride] ]; \ WRITE_RGB16(0, 0, C1) \ WRITE_RGB16(1, 1, C1) \ WRITE_RGB16(2, 0, C1) \ WRITE_RGB16(3, 1, C1) \ /* rgb/rgbi output */ #define WRITE_RGB(SIZE,ROW,UV_ROW,C1,C2,C3,C4) \ rgb_y = RGB_Y_tab[ y_ptr[(ROW)*y_stride + 0] ]; \ x_ptr[(ROW)*x_stride+(C3)] = MAX(0, MIN(255, (rgb_y + b_u##UV_ROW) >> SCALEBITS_OUT)); \ x_ptr[(ROW)*x_stride+(C2)] = MAX(0, MIN(255, (rgb_y - g_uv##UV_ROW) >> SCALEBITS_OUT)); \ x_ptr[(ROW)*x_stride+(C1)] = MAX(0, MIN(255, (rgb_y + r_v##UV_ROW) >> SCALEBITS_OUT)); \ if ((SIZE)>3) x_ptr[(ROW)*x_stride+(C4)] = 0; \ rgb_y = RGB_Y_tab[ y_ptr[(ROW)*y_stride + 1] ]; \ x_ptr[(ROW)*x_stride+(SIZE)+(C3)] = MAX(0, MIN(255, (rgb_y + b_u##UV_ROW) >> SCALEBITS_OUT)); \ x_ptr[(ROW)*x_stride+(SIZE)+(C2)] = MAX(0, MIN(255, (rgb_y - g_uv##UV_ROW) >> SCALEBITS_OUT)); \ x_ptr[(ROW)*x_stride+(SIZE)+(C1)] = MAX(0, MIN(255, (rgb_y + r_v##UV_ROW) >> SCALEBITS_OUT)); \ if ((SIZE)>3) x_ptr[(ROW)*x_stride+(SIZE)+(C4)] = 0; #define YV12_TO_RGB_ROW(SIZE,C1,C2,C3,C4) /* nothing */ #define YV12_TO_RGB(SIZE,C1,C2,C3,C4) \ int rgb_y; \ int b_u0 = B_U_tab[ u_ptr[0] ]; \ int g_uv0 = G_U_tab[ u_ptr[0] ] + G_V_tab[ v_ptr[0] ]; \ int r_v0 = R_V_tab[ v_ptr[0] ]; \ WRITE_RGB(SIZE, 0, 0, C1,C2,C3,C4) \ WRITE_RGB(SIZE, 1, 0, C1,C2,C3,C4) #define YV12_TO_RGBI_ROW(SIZE,C1,C2,C3,C4) /* nothing */ #define YV12_TO_RGBI(SIZE,C1,C2,C3,C4) \ int rgb_y; \ int b_u0 = B_U_tab[ u_ptr[0] ]; \ int g_uv0 = G_U_tab[ u_ptr[0] ] + G_V_tab[ v_ptr[0] ]; \ int r_v0 = R_V_tab[ v_ptr[0] ]; \ int b_u1 = B_U_tab[ u_ptr[uv_stride] ]; \ int g_uv1 = G_U_tab[ u_ptr[uv_stride] ] + G_V_tab[ v_ptr[uv_stride] ]; \ int r_v1 = R_V_tab[ v_ptr[uv_stride] ]; \ WRITE_RGB(SIZE, 0, 0, C1,C2,C3,C4) \ WRITE_RGB(SIZE, 1, 1, C1,C2,C3,C4) \ WRITE_RGB(SIZE, 2, 0, C1,C2,C3,C4) \ WRITE_RGB(SIZE, 3, 1, C1,C2,C3,C4) /* yuyv/yuyvi output */ #define WRITE_YUYV(ROW,UV_ROW,C1,C2,C3,C4) \ x_ptr[(ROW)*x_stride+(C1)] = y_ptr[ (ROW)*y_stride +0]; \ x_ptr[(ROW)*x_stride+(C2)] = u_ptr[(UV_ROW)*uv_stride+0]; \ x_ptr[(ROW)*x_stride+(C3)] = y_ptr[ (ROW)*y_stride +1]; \ x_ptr[(ROW)*x_stride+(C4)] = v_ptr[(UV_ROW)*uv_stride+0]; \ #define YV12_TO_YUYV_ROW(SIZE,C1,C2,C3,C4) /* nothing */ #define YV12_TO_YUYV(SIZE,C1,C2,C3,C4) \ WRITE_YUYV(0, 0, C1,C2,C3,C4) \ WRITE_YUYV(1, 0, C1,C2,C3,C4) #define YV12_TO_YUYVI_ROW(SIZE,C1,C2,C3,C4) /* nothing */ #define YV12_TO_YUYVI(SIZE,C1,C2,C3,C4) \ WRITE_YUYV(0, 0, C1,C2,C3,C4) \ WRITE_YUYV(1, 1, C1,C2,C3,C4) \ WRITE_YUYV(2, 0, C1,C2,C3,C4) \ WRITE_YUYV(3, 1, C1,C2,C3,C4) MAKE_COLORSPACE(yv12_to_rgb555_c, 2,2,2, YV12_TO_RGB16, MK_RGB555, 0,0,0) MAKE_COLORSPACE(yv12_to_rgb565_c, 2,2,2, YV12_TO_RGB16, MK_RGB565, 0,0,0) MAKE_COLORSPACE(yv12_to_bgr_c, 3,2,2, YV12_TO_RGB, 2,1,0, 0) MAKE_COLORSPACE(yv12_to_bgra_c, 4,2,2, YV12_TO_RGB, 2,1,0,3) MAKE_COLORSPACE(yv12_to_abgr_c, 4,2,2, YV12_TO_RGB, 3,2,1,0) MAKE_COLORSPACE(yv12_to_rgba_c, 4,2,2, YV12_TO_RGB, 0,1,2,3) MAKE_COLORSPACE(yv12_to_yuyv_c, 2,2,2, YV12_TO_YUYV, 0,1,2,3) MAKE_COLORSPACE(yv12_to_uyvy_c, 2,2,2, YV12_TO_YUYV, 1,0,3,2) MAKE_COLORSPACE(yv12_to_rgb555i_c, 2,2,4, YV12_TO_RGB16I, MK_RGB555, 0,0,0) MAKE_COLORSPACE(yv12_to_rgb565i_c, 2,2,4, YV12_TO_RGB16I, MK_RGB565, 0,0,0) MAKE_COLORSPACE(yv12_to_bgri_c, 3,2,4, YV12_TO_RGBI, 2,1,0, 0) MAKE_COLORSPACE(yv12_to_bgrai_c, 4,2,4, YV12_TO_RGBI, 2,1,0,3) MAKE_COLORSPACE(yv12_to_abgri_c, 4,2,4, YV12_TO_RGBI, 3,2,1,0) MAKE_COLORSPACE(yv12_to_rgbai_c, 4,2,4, YV12_TO_RGBI, 0,1,2,3) MAKE_COLORSPACE(yv12_to_yuyvi_c, 2,2,4, YV12_TO_YUYVI, 0,1,2,3) MAKE_COLORSPACE(yv12_to_uyvyi_c, 2,2,4, YV12_TO_YUYVI, 1,0,3,2) /* yv12 to yv12 copy function */ void yv12_to_yv12_c(uint8_t * y_dst, uint8_t * u_dst, uint8_t * v_dst, int y_dst_stride, int uv_dst_stride, uint8_t * y_src, uint8_t * u_src, uint8_t * v_src, int y_src_stride, int uv_src_stride, int width, int height, int vflip) { int width2 = width / 2; int height2 = height / 2; int y; if (vflip) { y_src += (height - 1) * y_src_stride; u_src += (height2 - 1) * uv_src_stride; v_src += (height2 - 1) * uv_src_stride; y_src_stride = -y_src_stride; uv_src_stride = -uv_src_stride; } for (y = height; y; y--) { memcpy(y_dst, y_src, width); y_src += y_src_stride; y_dst += y_dst_stride; } for (y = height2; y; y--) { memcpy(u_dst, u_src, width2); u_src += uv_src_stride; u_dst += uv_dst_stride; } for (y = height2; y; y--) { memcpy(v_dst, v_src, width2); v_src += uv_src_stride; v_dst += uv_dst_stride; } } /* initialize rgb lookup tables */ void colorspace_init(void) { int32_t i; for (i = 0; i < 256; i++) { RGB_Y_tab[i] = FIX_OUT(RGB_Y_OUT) * (i - Y_ADD_OUT); B_U_tab[i] = FIX_OUT(B_U_OUT) * (i - U_ADD_OUT); G_U_tab[i] = FIX_OUT(G_U_OUT) * (i - U_ADD_OUT); G_V_tab[i] = FIX_OUT(G_V_OUT) * (i - V_ADD_OUT); R_V_tab[i] = FIX_OUT(R_V_OUT) * (i - V_ADD_OUT); } }
No admin address has been configured | ViewVC Help |
Powered by ViewVC 1.0.4 |