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|
/*******************************************************************************
colorspace_macros.h
libquicktime - A library for reading and writing quicktime/avi/mp4 files.
http://libquicktime.sourceforge.net
Copyright (C) 2002 Heroine Virtual Ltd.
Copyright (C) 2002-2011 Members of the libquicktime project.
This library is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the Free
Software Foundation; either version 2.1 of the License, or (at your option)
any later version.
This library 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 Lesser General Public License for more
details.
You should have received a copy of the GNU Lesser General Public License along
with this library; if not, write to the Free Software Foundation, Inc., 51
Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*******************************************************************************/
#define RECLIP_8(color) (uint8_t)((color>0xFF)?0xff:((color<0)?0:color))
#define RECLIP_10(color) (uint16_t)((color>0x03FF)?0x03FF:((color<0)?0:color))
#define RECLIP_16(color) (uint16_t)((color>0xFFFF)?0xFFFF:((color<0)?0:color))
#define RECLIP_FLOAT(color) ((color>1.0)?1.0:((color<0.0)?0.0:color))
#define RECLIP(color, min, max) ((color>max)?max:((color<min)?min:color))
/* Masks for BGR16 and RGB16 formats */
#define RGB16_LOWER_MASK 0x001f
#define RGB16_MIDDLE_MASK 0x07e0
#define RGB16_UPPER_MASK 0xf800
/* Extract 8 bit RGB values from 15 bit pixels */
#define RGB16_TO_R_8(pixel) rgb_5_to_8[(pixel & RGB16_UPPER_MASK)>>11]
#define RGB16_TO_G_8(pixel) rgb_6_to_8[(pixel & RGB16_MIDDLE_MASK)>>5]
#define RGB16_TO_B_8(pixel) rgb_5_to_8[(pixel & RGB16_LOWER_MASK)]
#define BGR16_TO_B_8(pixel) RGB16_TO_R_8(pixel)
#define BGR16_TO_G_8(pixel) RGB16_TO_G_8(pixel)
#define BGR16_TO_R_8(pixel) RGB16_TO_B_8(pixel)
/* Extract 16 bit RGB values from 15 bit pixels */
#define RGB16_TO_R_16(pixel) rgb_5_to_16[(pixel & RGB16_UPPER_MASK)>>11]
#define RGB16_TO_G_16(pixel) rgb_6_to_16[(pixel & RGB16_MIDDLE_MASK)>>5]
#define RGB16_TO_B_16(pixel) rgb_5_to_16[(pixel & RGB16_LOWER_MASK)]
#define BGR16_TO_B_16(pixel) RGB16_TO_R_16(pixel)
#define BGR16_TO_G_16(pixel) RGB16_TO_G_16(pixel)
#define BGR16_TO_R_16(pixel) RGB16_TO_B_16(pixel)
/* Extract float RGB values from 15 bit pixels */
#define RGB16_TO_R_FLOAT(pixel) rgb_5_to_float[(pixel & RGB16_UPPER_MASK)>>11]
#define RGB16_TO_G_FLOAT(pixel) rgb_6_to_float[(pixel & RGB16_MIDDLE_MASK)>>5]
#define RGB16_TO_B_FLOAT(pixel) rgb_5_to_float[(pixel & RGB16_LOWER_MASK)]
#define BGR16_TO_B_FLOAT(pixel) RGB16_TO_R_FLOAT(pixel)
#define BGR16_TO_G_FLOAT(pixel) RGB16_TO_G_FLOAT(pixel)
#define BGR16_TO_R_FLOAT(pixel) RGB16_TO_B_FLOAT(pixel)
/* Masks for BGR16 and RGB16 formats */
#define RGB15_LOWER_MASK 0x001f
#define RGB15_MIDDLE_MASK 0x03e0
#define RGB15_UPPER_MASK 0x7C00
/* Extract 8 bit RGB values from 16 bit pixels */
#define RGB15_TO_R_8(pixel) rgb_5_to_8[(pixel & RGB15_UPPER_MASK)>>10]
#define RGB15_TO_G_8(pixel) rgb_5_to_8[(pixel & RGB15_MIDDLE_MASK)>>5]
#define RGB15_TO_B_8(pixel) rgb_5_to_8[(pixel & RGB15_LOWER_MASK)]
#define BGR15_TO_B_8(pixel) RGB15_TO_R_8(pixel)
#define BGR15_TO_G_8(pixel) RGB15_TO_G_8(pixel)
#define BGR15_TO_R_8(pixel) RGB15_TO_B_8(pixel)
#define RGB15_TO_R_16(pixel) rgb_5_to_16[(pixel & RGB15_UPPER_MASK)>>10]
#define RGB15_TO_G_16(pixel) rgb_5_to_16[(pixel & RGB15_MIDDLE_MASK)>>5]
#define RGB15_TO_B_16(pixel) rgb_5_to_16[(pixel & RGB15_LOWER_MASK)]
#define BGR15_TO_B_16(pixel) RGB15_TO_R_16(pixel)
#define BGR15_TO_G_16(pixel) RGB15_TO_G_16(pixel)
#define BGR15_TO_R_16(pixel) RGB15_TO_B_16(pixel)
#define RGB15_TO_R_FLOAT(pixel) rgb_5_to_float[(pixel & RGB15_UPPER_MASK)>>10]
#define RGB15_TO_G_FLOAT(pixel) rgb_5_to_float[(pixel & RGB15_MIDDLE_MASK)>>5]
#define RGB15_TO_B_FLOAT(pixel) rgb_5_to_float[(pixel & RGB15_LOWER_MASK)]
#define BGR15_TO_B_FLOAT(pixel) RGB15_TO_R_FLOAT(pixel)
#define BGR15_TO_G_FLOAT(pixel) RGB15_TO_G_FLOAT(pixel)
#define BGR15_TO_R_FLOAT(pixel) RGB15_TO_B_FLOAT(pixel)
/* Conversion from 8 bit */
#define RGB_8_TO_16(val) (((uint32_t)(val))<<8)|(val)
#define RGB_8_TO_FLOAT(val) ((float)(val)/255.0)
/* Conversion from float */
#define RGB_FLOAT_TO_8(val) (uint8_t)((val)*255.0+0.5)
#define RGB_FLOAT_TO_16(val) (uint16_t)((val)*65535.0+0.5)
/* Conversion from 16 bit */
#define RGB_16_TO_8(val) ((val)>>8)
#define RGB_16_TO_FLOAT(val) ((float)(val)/65535.0)
/* Conversion from YUV float */
#define Y_FLOAT_TO_8(val) (int)(val * 219.0) + 16;
#define UV_FLOAT_TO_8(val) (int)(val * 224.0) + 128;
#define Y_FLOAT_TO_16(val) (int)(val * 219.0 * (float)0x100) + 0x1000;
#define UV_FLOAT_TO_16(val) (int)(val * 224.0 * (float)0x100) + 0x8000;
#define YJ_FLOAT_TO_8(val) (int)(val * 255.0);
#define UVJ_FLOAT_TO_8(val) (int)(val * 255.0) + 128;
/* Conversion from YUV 16 */
#define Y_16_TO_Y_8(val) ((val + 0x40)>>8)
#define UV_16_TO_UV_8(val) ((val + 0x40)>>8)
#define Y_16_TO_YJ_8(val) (((((RECLIP(val, 0x1000, 0xEB00)-0x1000)*255)/219) + 0x40) >>8)
#define UV_16_TO_UVJ_8(val) (((((RECLIP(val, 0x1000, 0xF000)-0x1000)*255)/224) + 0x40) >>8)
/* Conversion from YUV 8 */
#define Y_8_TO_16(val) ((val)<<8)
#define UV_8_TO_16(val) ((val)<<8)
#define Y_8_TO_YJ_8(val) y_8_to_yj_8[val]
#define UV_8_TO_UVJ_8(val) uv_8_to_uvj_8[val]
#define YJ_8_TO_Y_8(val) yj_8_to_y_8[val]
#define UVJ_8_TO_UV_8(val) uvj_8_to_uv_8[val]
#define YJ_8_TO_Y_16(val) yj_8_to_y_16[val]
#define UVJ_8_TO_UV_16(val) uvj_8_to_uv_16[val]
/* RGB -> YUV conversion */
/* 24 -> 8 */
#define RGB_24_TO_Y_8(r,g,b,y) y=(r_to_y[r]+g_to_y[g]+b_to_y[b])>>16;
#define RGB_24_TO_YUV_8(r,g,b,y,u,v) \
RGB_24_TO_Y_8(r,g,b,y); \
u=(r_to_u[r]+g_to_u[g]+b_to_u[b])>>16; \
v=(r_to_v[r]+g_to_v[g]+b_to_v[b])>>16;
#define RGB_24_TO_YJ_8(r,g,b,y) y=(r_to_yj[r]+g_to_yj[g]+b_to_yj[b])>>16;
#define RGB_24_TO_YUVJ_8(r,g,b,y,u,v) \
RGB_24_TO_YJ_8(r,g,b,y); \
u=(r_to_uj[r]+g_to_uj[g]+b_to_uj[b])>>16; \
v=(r_to_vj[r]+g_to_vj[g]+b_to_vj[b])>>16;
/* 24 -> 16 */
#define RGB_24_TO_Y_16(r,g,b,y) y=(r_to_y[r]+g_to_y[g]+b_to_y[b])>>8;
#define RGB_24_TO_YUV_16(r,g,b,y,u,v) \
RGB_24_TO_Y_16(r,g,b,y); \
u=(r_to_u[r]+g_to_u[g]+b_to_u[b])>>8; \
v=(r_to_v[r]+g_to_v[g]+b_to_v[b])>>8;
/* 24 -> 10 */
#define RGB_24_TO_YUV_10(r,g,b,y,u,v) \
y=RECLIP_10((r_to_y[r]+g_to_y[g]+b_to_y[b])>>14); \
u=RECLIP_10((r_to_u[r]+g_to_u[g]+b_to_u[b])>>14); \
v=RECLIP_10((r_to_v[r]+g_to_v[g]+b_to_v[b])>>14);
#define RGB_24_TO_YUVJ_10(r,g,b,y,u,v) \
y=RECLIP_10((r_to_yj[r]+g_to_yj[g]+b_to_yj[b])>>14); \
u=RECLIP_10((r_to_uj[r]+g_to_uj[g]+b_to_uj[b])>>14); \
v=RECLIP_10((r_to_vj[r]+g_to_vj[g]+b_to_vj[b])>>14);
/* 48 -> 8 */
#define r_16_to_y (int64_t)((0.29900*219.0/255.0)*0x10000)
#define g_16_to_y (int64_t)((0.58700*219.0/255.0)*0x10000)
#define b_16_to_y (int64_t)((0.11400*219.0/255.0)*0x10000)
#define r_16_to_u (int64_t)(-(0.16874*224.0/255.0)*0x10000)
#define g_16_to_u (int64_t)(-(0.33126*224.0/255.0)*0x10000)
#define b_16_to_u (int64_t)( (0.50000*224.0/255.0)*0x10000)
#define r_16_to_v (int64_t)( (0.50000*224.0/255.0)*0x10000)
#define g_16_to_v (int64_t)(-(0.41869*224.0/255.0)*0x10000)
#define b_16_to_v (int64_t)(-(0.08131*224.0/255.0)*0x10000)
#define r_16_to_yj (int64_t)((0.29900)*0x10000)
#define g_16_to_yj (int64_t)((0.58700)*0x10000)
#define b_16_to_yj (int64_t)((0.11400)*0x10000)
#define r_16_to_uj (int64_t)(-(0.16874)*0x10000)
#define g_16_to_uj (int64_t)(-(0.33126)*0x10000)
#define b_16_to_uj (int64_t)( (0.50000)*0x10000)
#define r_16_to_vj (int64_t)( (0.50000)*0x10000)
#define g_16_to_vj (int64_t)(-(0.41869)*0x10000)
#define b_16_to_vj (int64_t)(-(0.08131)*0x10000)
#define RGB_48_TO_Y_8(r,g,b,y) \
y=(r_16_to_y * r + g_16_to_y * g + b_16_to_y * b + 16 * 0x1000000LL)>>24;
#define RGB_48_TO_YUV_8(r,g,b,y,u,v) \
RGB_48_TO_Y_8(r,g,b,y); \
u=(r_16_to_u * r + g_16_to_u * g + b_16_to_u * b + 0x80000000LL)>>24; \
v=(r_16_to_v * r + g_16_to_v * g + b_16_to_v * b + 0x80000000LL)>>24;
#define RGB_48_TO_YJ_8(r,g,b,y) \
y=(r_16_to_yj * r + g_16_to_yj * g + b_16_to_yj * b)>>24;
#define RGB_48_TO_YUVJ_8(r,g,b,y,u,v) \
RGB_48_TO_YJ_8(r,g,b,y); \
u=(r_16_to_uj * r + g_16_to_uj * g + b_16_to_uj * b + 0x80000000LL)>>24; \
v=(r_16_to_vj * r + g_16_to_vj * g + b_16_to_vj * b + 0x80000000LL)>>24;
/* 48 -> 16 */
#define RGB_48_TO_Y_16(r,g,b,y) \
y=(r_16_to_y * r + g_16_to_y * g + b_16_to_y * b + 16 * 0x1000000LL)>>16;
#define RGB_48_TO_YUV_16(r,g,b,y,u,v) \
RGB_48_TO_Y_16(r,g,b,y); \
u=(r_16_to_u * r + g_16_to_u * g + b_16_to_u * b + 0x80000000LL)>>16; \
v=(r_16_to_v * r + g_16_to_v * g + b_16_to_v * b + 0x80000000LL)>>16;
#define RGB_48_TO_YUV_10(r,g,b,y,u,v) \
y=RECLIP_10(((r_16_to_y * r + g_16_to_y * g + b_16_to_y * b)>>22) + 0x040LL); \
u=RECLIP_10(((r_16_to_u * r + g_16_to_u * g + b_16_to_u * b)>>22) + 0x200LL); \
v=RECLIP_10(((r_16_to_v * r + g_16_to_v * g + b_16_to_v * b)>>22) + 0x200LL);
#define RGB_48_TO_YUVJ_10(r,g,b,y,u,v) \
y=RECLIP_10((r_16_to_yj * r + g_16_to_yj * g + b_16_to_yj * b)>>22); \
u=RECLIP_10(((r_16_to_uj * r + g_16_to_uj * g + b_16_to_uj * b)>>22) + 0x200LL); \
v=RECLIP_10(((r_16_to_vj * r + g_16_to_vj * g + b_16_to_vj * b)>>22) + 0x200LL);
/* RGB Float -> YUV */
#define r_float_to_y 0.29900
#define g_float_to_y 0.58700
#define b_float_to_y 0.11400
#define r_float_to_u -0.16874
#define g_float_to_u -0.33126
#define b_float_to_u 0.50000
#define r_float_to_v 0.50000
#define g_float_to_v -0.41869
#define b_float_to_v -0.08131
#define INIT_RGB_FLOAT_TO_YUV \
float y_tmp, u_tmp, v_tmp;
/* Float -> 8 */
#define RGB_FLOAT_TO_Y_8(r, g, b, y) \
y_tmp = r_float_to_y * r + g_float_to_y * g + b_float_to_y * b; \
y = Y_FLOAT_TO_8(y_tmp);
#define RGB_FLOAT_TO_YUV_8(r, g, b, y, u, v) \
RGB_FLOAT_TO_Y_8(r, g, b, y) \
u_tmp = r_float_to_u * r + g_float_to_u * g + b_float_to_u * b; \
v_tmp = r_float_to_v * r + g_float_to_v * g + b_float_to_v * b; \
u = UV_FLOAT_TO_8(u_tmp); \
v = UV_FLOAT_TO_8(v_tmp);
#define RGB_FLOAT_TO_YJ_8(r, g, b, y) \
y_tmp = r_float_to_y * r + g_float_to_y * g + b_float_to_y * b; \
y = YJ_FLOAT_TO_8(y_tmp);
#define RGB_FLOAT_TO_YUVJ_8(r, g, b, y, u, v) \
RGB_FLOAT_TO_YJ_8(r, g, b, y) \
u_tmp = r_float_to_u * r + g_float_to_u * g + b_float_to_u * b; \
v_tmp = r_float_to_v * r + g_float_to_v * g + b_float_to_v * b; \
u = UVJ_FLOAT_TO_8(u_tmp); \
v = UVJ_FLOAT_TO_8(v_tmp);
/* Float -> 16 */
#define RGB_FLOAT_TO_Y_16(r, g, b, y) \
y_tmp = r_float_to_y * r + g_float_to_y * g + b_float_to_y * b; \
y = Y_FLOAT_TO_16(y_tmp);
#define RGB_FLOAT_TO_YUV_16(r, g, b, y, u, v) \
RGB_FLOAT_TO_Y_16(r, g, b, y) \
u_tmp = r_float_to_u * r + g_float_to_u * g + b_float_to_u * b; \
v_tmp = r_float_to_v * r + g_float_to_v * g + b_float_to_v * b; \
u = UV_FLOAT_TO_16(u_tmp); \
v = UV_FLOAT_TO_16(v_tmp);
/* YUV (8bit) -> */
#define YUV_8_TO_RGB_24(y,u,v,r,g,b) i_tmp=(y_to_rgb[y]+v_to_r[v])>>16;\
r=RECLIP_8(i_tmp);\
i_tmp=(y_to_rgb[y]+u_to_g[u]+v_to_g[v])>>16;\
g=RECLIP_8(i_tmp);\
i_tmp=(y_to_rgb[y]+u_to_b[u])>>16;\
b=RECLIP_8(i_tmp);
#define YUVJ_8_TO_RGB_24(y,u,v,r,g,b) i_tmp=(yj_to_rgb[y]+vj_to_r[v])>>16;\
r=RECLIP_8(i_tmp);\
i_tmp=(yj_to_rgb[y]+uj_to_g[u]+vj_to_g[v])>>16;\
g=RECLIP_8(i_tmp);\
i_tmp=(yj_to_rgb[y]+uj_to_b[u])>>16;\
b=RECLIP_8(i_tmp);
#define YUV_8_TO_RGB_48(y,u,v,r,g,b) i_tmp=(y_to_rgb[y]+v_to_r[v])>>8;\
r=RECLIP_16(i_tmp);\
i_tmp=(y_to_rgb[y]+u_to_g[u]+v_to_g[v])>>8;\
g=RECLIP_16(i_tmp);\
i_tmp=(y_to_rgb[y]+u_to_b[u])>>8;\
b=RECLIP_16(i_tmp);
#define YUVJ_8_TO_RGB_48(y,u,v,r,g,b) i_tmp=(yj_to_rgb[y]+vj_to_r[v])>>8;\
r=RECLIP_16(i_tmp);\
i_tmp=(yj_to_rgb[y]+uj_to_g[u]+vj_to_g[v])>>8;\
g=RECLIP_16(i_tmp);\
i_tmp=(yj_to_rgb[y]+uj_to_b[u])>>8;\
b=RECLIP_16(i_tmp);
#define YUV_8_TO_RGB_FLOAT(y,u,v,r,g,b) \
i_tmp=(y_to_rgb_float[y]+v_to_r_float[v]); \
r=RECLIP_FLOAT(i_tmp); \
i_tmp=(y_to_rgb_float[y]+u_to_g_float[u]+v_to_g_float[v]); \
g=RECLIP_FLOAT(i_tmp); \
i_tmp=(y_to_rgb_float[y]+u_to_b_float[u]); \
b=RECLIP_FLOAT(i_tmp);
#define YUVJ_8_TO_RGB_FLOAT(y,u,v,r,g,b) \
i_tmp=(yj_to_rgb_float[y]+vj_to_r_float[v]); \
r=RECLIP_FLOAT(i_tmp); \
i_tmp=(yj_to_rgb_float[y]+uj_to_g_float[u]+vj_to_g_float[v]); \
g=RECLIP_FLOAT(i_tmp); \
i_tmp=(yj_to_rgb_float[y]+uj_to_b_float[u]); \
b=RECLIP_FLOAT(i_tmp);
/* YUV (16 bit) -> 8 */
#define y_16_to_rgb (int64_t)(255.0/219.0 * 0x10000)
#define yj_16_to_rgb (int64_t)0x10000
#define v_16_to_r (int64_t)( 1.40200*255.0/224.0 * 0x10000)
#define vj_16_to_r (int64_t)( 1.40200 * 0x10000)
#define u_16_to_g (int64_t)(-0.34414*255.0/224.0 * 0x10000)
#define uj_16_to_g (int64_t)(-0.34414 * 0x10000)
#define v_16_to_g (int64_t)(-0.71414*255.0/224.0 * 0x10000)
#define vj_16_to_g (int64_t)(-0.71414 * 0x10000)
#define u_16_to_b (int64_t)( 1.77200*255.0/224.0 * 0x10000)
#define uj_16_to_b (int64_t)( 1.77200 * 0x10000)
#define YUV_16_TO_RGB_24(y,u,v,r,g,b) \
i_tmp=(y_16_to_rgb * (y-0x1000) + v_16_to_r * (v-0x8000))>>24; \
r = RECLIP_8(i_tmp);\
i_tmp=(y_16_to_rgb * (y-0x1000) + u_16_to_g * (u-0x8000)+ v_16_to_g * (v-0x8000))>>24; \
g = RECLIP_8(i_tmp);\
i_tmp=(y_16_to_rgb * (y-0x1000) + u_16_to_b * (u-0x8000))>>24; \
b = RECLIP_8(i_tmp);
/* YUV (10 bit) -> 8 */
#define YUV_10_TO_RGB_24(y,u,v,r,g,b) \
i_tmp=(yj_16_to_rgb * (y-0x40) + vj_16_to_r * (v-0x200))>>18; \
r = RECLIP_8(i_tmp);\
i_tmp=(yj_16_to_rgb * (y-0x40) + uj_16_to_g * (u-0x200)+ vj_16_to_g * (v-0x200))>>18; \
g = RECLIP_8(i_tmp);\
i_tmp=(yj_16_to_rgb * (y-0x40) + uj_16_to_b * (u-0x200))>>18; \
b = RECLIP_8(i_tmp);
#define YUVJ_10_TO_RGB_24(y,u,v,r,g,b) \
i_tmp=(yj_16_to_rgb * y + vj_16_to_r * (v-0x200))>>18; \
r = RECLIP_8(i_tmp);\
i_tmp=(yj_16_to_rgb * y + uj_16_to_g * (u-0x200)+ vj_16_to_g * (v-0x200))>>18; \
g = RECLIP_8(i_tmp);\
i_tmp=(yj_16_to_rgb * y + uj_16_to_b * (u-0x200))>>18; \
b = RECLIP_8(i_tmp);
/* YUV (16 bit) -> 16 */
#define YUV_16_TO_RGB_48(y,u,v,r,g,b) \
i_tmp=(y_16_to_rgb * (y-0x1000) + v_16_to_r * (v-0x8000))>>16; \
r = RECLIP_16(i_tmp);\
i_tmp=(y_16_to_rgb * (y-0x1000) + u_16_to_g * (u-0x8000)+ v_16_to_g * (v-0x8000))>>16; \
g = RECLIP_16(i_tmp);\
i_tmp=(y_16_to_rgb * (y-0x1000) + u_16_to_b * (u-0x8000))>>16; \
b = RECLIP_16(i_tmp);
/* YUV (10 bit) -> 16 */
#define YUV_10_TO_RGB_48(y,u,v,r,g,b) \
i_tmp=(y_16_to_rgb * (y-0x40) + v_16_to_r * (v-0x200))>>10; \
r = RECLIP_16(i_tmp);\
i_tmp=(y_16_to_rgb * (y-0x40) + u_16_to_g * (u-0x200)+ v_16_to_g * (v-0x200))>>10; \
g = RECLIP_16(i_tmp);\
i_tmp=(y_16_to_rgb * (y-0x40) + u_16_to_b * (u-0x200))>>10; \
b = RECLIP_16(i_tmp);
#define YUVJ_10_TO_RGB_48(y,u,v,r,g,b) \
i_tmp=(yj_16_to_rgb * y + vj_16_to_r * (v-0x200))>>10; \
r = RECLIP_16(i_tmp);\
i_tmp=(yj_16_to_rgb * y + uj_16_to_g * (u-0x200)+ vj_16_to_g * (v-0x200))>>10; \
g = RECLIP_16(i_tmp);\
i_tmp=(yj_16_to_rgb * y + uj_16_to_b * (u-0x200))>>10; \
b = RECLIP_16(i_tmp);
/* YUV (16 bit) -> float */
#define y_16_to_rgb_float (255.0/219.0/65535.0)
#define v_16_to_r_float (1.40200*255.0/224.0/65535.0)
#define u_16_to_g_float (-0.34414*255.0/224.0/65535.0)
#define v_16_to_g_float (-0.71414*255.0/224.0/65535.0)
#define u_16_to_b_float (1.77200*255.0/224.0/65535.0)
#define YUV_16_TO_RGB_FLOAT(y,u,v,r,g,b) \
i_tmp=(y_16_to_rgb_float * (y-0x1000) + v_16_to_r_float * (v-0x8000)); \
r = RECLIP_FLOAT(i_tmp);\
i_tmp=(y_16_to_rgb_float * (y-0x1000) + u_16_to_g_float * (u-0x8000)+ v_16_to_g_float * (v-0x8000)); \
g = RECLIP_FLOAT(i_tmp);\
i_tmp=(y_16_to_rgb_float * (y-0x1000) + u_16_to_b_float * (u-0x8000)); \
b = RECLIP_FLOAT(i_tmp);
/* Combine r, g and b values to a 16 bit rgb pixel (taken from avifile) */
#define PACK_8_TO_RGB16(r,g,b,pixel) pixel=((((((r<<5)&0xff00)|g)<<6)&0xfff00)|b)>>3;
#define PACK_8_TO_BGR16(r,g,b,pixel) pixel=((((((b<<5)&0xff00)|g)<<6)&0xfff00)|r)>>3;
#define PACK_8_TO_RGB15(r,g,b,pixel) pixel=((((((r<<5)&0xff00)|g)<<5)&0xfff00)|b)>>3;
#define PACK_8_TO_BGR15(r,g,b,pixel) pixel=((((((b<<5)&0xff00)|g)<<5)&0xfff00)|r)>>3;
#define PACK_16_TO_RGB16(r,g,b,pixel) pixel=((((((r>>3)&0xff00)|(g>>8))<<6)&0xfff00)|(b>>8))>>3;
#define PACK_16_TO_BGR16(r,g,b,pixel) pixel=((((((b>>3)&0xff00)|(g>>8))<<6)&0xfff00)|(r>>8))>>3;
#define PACK_16_TO_RGB15(r,g,b,pixel) pixel=((((((r>>3)&0xff00)|(g>>8))<<5)&0xfff00)|(b>>8))>>3;
#define PACK_16_TO_BGR15(r,g,b,pixel) pixel=((((((b>>3)&0xff00)|(g>>8))<<5)&0xfff00)|(r>>8))>>3;
/* RGBA -> RGB */
#define INIT_RGBA_32 uint32_t anti_alpha;\
int background_r=ctx->options->background_16[0] >> 8; \
int background_g=ctx->options->background_16[1] >> 8; \
int background_b=ctx->options->background_16[2] >> 8;
#define INIT_RGBA_64 uint32_t anti_alpha;\
uint32_t background_r=ctx->options->background_16[0]; \
uint32_t background_g=ctx->options->background_16[1]; \
uint32_t background_b=ctx->options->background_16[2];
#define INIT_RGBA_FLOAT float anti_alpha; \
float background_r=ctx->options->background_float[0]; \
float background_g=ctx->options->background_float[1]; \
float background_b=ctx->options->background_float[2];
#define RGBA_32_TO_RGB_24(src_r, src_g, src_b, src_a, dst_r, dst_g, dst_b) \
anti_alpha = 0xFF - src_a;\
dst_r=((src_a*src_r)+(anti_alpha*background_r))>>8;\
dst_g=((src_a*src_g)+(anti_alpha*background_g))>>8;\
dst_b=((src_a*src_b)+(anti_alpha*background_b))>>8;
#define RGBA_32_TO_RGB_48(src_r, src_g, src_b, src_a, dst_r, dst_g, dst_b) \
anti_alpha = 0xFF - src_a;\
dst_r=((src_a*src_r)+(anti_alpha*background_r));\
dst_g=((src_a*src_g)+(anti_alpha*background_g));\
dst_b=((src_a*src_b)+(anti_alpha*background_b));
#define RGBA_64_TO_RGB_24(src_r, src_g, src_b, src_a, dst_r, dst_g, dst_b) \
anti_alpha = 0xFFFF - src_a; \
dst_r=((src_a*src_r)+(anti_alpha*background_r))>>24; \
dst_g=((src_a*src_g)+(anti_alpha*background_g))>>24; \
dst_b=((src_a*src_b)+(anti_alpha*background_b))>>24;
#define RGBA_64_TO_RGB_48(src_r, src_g, src_b, src_a, dst_r, dst_g, dst_b) \
anti_alpha = 0xFFFF - src_a; \
dst_r=((src_a*src_r)+(anti_alpha*background_r))>>16; \
dst_g=((src_a*src_g)+(anti_alpha*background_g))>>16; \
dst_b=((src_a*src_b)+(anti_alpha*background_b))>>16;
#define RGBA_64_TO_RGB_FLOAT(src_r, src_g, src_b, src_a, dst_r, dst_g, dst_b) \
anti_alpha = 0xFFFF - src_a; \
dst_r=RGB_16_TO_FLOAT(((src_a*src_r)+(anti_alpha*background_r))>>16); \
dst_g=RGB_16_TO_FLOAT(((src_a*src_g)+(anti_alpha*background_g))>>16); \
dst_b=RGB_16_TO_FLOAT(((src_a*src_b)+(anti_alpha*background_b))>>16);
#define RGBA_FLOAT_TO_RGB_24(src_r, src_g, src_b, src_a, dst_r, dst_g, dst_b) \
anti_alpha = 1.0 - src_a; \
dst_r=RGB_FLOAT_TO_8(src_a*src_r+anti_alpha*background_r); \
dst_g=RGB_FLOAT_TO_8(src_a*src_g+anti_alpha*background_g); \
dst_b=RGB_FLOAT_TO_8(src_a*src_b+anti_alpha*background_b);
#define RGBA_FLOAT_TO_RGB_48(src_r, src_g, src_b, src_a, dst_r, dst_g, dst_b) \
anti_alpha = 1.0 - src_a; \
dst_r=RGB_FLOAT_TO_16(src_a*src_r+anti_alpha*background_r); \
dst_g=RGB_FLOAT_TO_16(src_a*src_g+anti_alpha*background_g); \
dst_b=RGB_FLOAT_TO_16(src_a*src_b+anti_alpha*background_b);
#define RGBA_FLOAT_TO_RGB_FLOAT(src_r, src_g, src_b, src_a, dst_r, dst_g, dst_b) \
anti_alpha = 1.0 - src_a; \
dst_r=src_a*src_r+anti_alpha*background_r; \
dst_g=src_a*src_g+anti_alpha*background_g; \
dst_b=src_a*src_b+anti_alpha*background_b;
/* YUVA 32 -> YUV */
#define INIT_YUVA_32 uint32_t anti_alpha;\
int background_y; \
int background_u; \
int background_v; \
RGB_48_TO_YUV_8(ctx->options->background_16[0], \
ctx->options->background_16[1], \
ctx->options->background_16[2],\
background_y, background_u, background_v);
#define YUVA_32_TO_YUV_8(src_y, src_u, src_v, src_a, dst_y, dst_u, dst_v) \
anti_alpha = 0xFF - src_a; \
dst_y=((src_a*src_y)+(anti_alpha*background_y))>>8; \
dst_u=((src_a*src_u)+(anti_alpha*background_u))>>8; \
dst_v=((src_a*src_v)+(anti_alpha*background_v))>>8;
#define YUVA_32_TO_Y_8(src_y, src_a, dst_y) \
anti_alpha = 0xFF - src_a; \
dst_y=((src_a*src_y)+(anti_alpha*background_y))>>8;
#define YUVA_32_TO_YUVJ_8(src_y, src_u, src_v, src_a, dst_y, dst_u, dst_v) \
anti_alpha = 0xFF - src_a; \
dst_y=Y_16_TO_YJ_8(((src_a*src_y)+(anti_alpha*background_y))); \
dst_u=UV_16_TO_UVJ_8(((src_a*src_u)+(anti_alpha*background_u))); \
dst_v=UV_16_TO_UVJ_8(((src_a*src_v)+(anti_alpha*background_v)));
#define YUVA_32_TO_YJ_8(src_y, src_a, dst_y) \
anti_alpha = 0xFF - src_a; \
dst_y=Y_16_TO_YJ_8(((src_a*src_y)+(anti_alpha*background_y)));
#define YUVA_32_TO_YUV_16(src_y, src_u, src_v, src_a, dst_y, dst_u, dst_v) \
anti_alpha = 0xFF - src_a; \
dst_y=((src_a*src_y)+(anti_alpha*background_y)); \
dst_u=((src_a*src_u)+(anti_alpha*background_u)); \
dst_v=((src_a*src_v)+(anti_alpha*background_v));
#define YUVA_32_TO_Y_16(src_y, src_a, dst_y) \
anti_alpha = 0xFF - src_a; \
dst_y=((src_a*src_y)+(anti_alpha*background_y));
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