quicktime/colormodels.h

   1 /*
   2  * This library is free software; you can redistribute it and/or modify it
   3  * under the terms of the GNU Lesser General Public License as published
   4  * by the Free Software Foundation; either version 2 of the License, or
   5  * (at your option) any later version.
   6  *
   7  * This library is distributed in the hope that it will be useful, but
   8  * WITHOUT ANY WARRANTY; without even the implied warranty of
   9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  10  * Lesser General Public License for more details.
  11  *
  12  * You should have received a copy of the GNU Lesser General Public
  13  * License along with this library; if not, write to the Free Software
  14  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  15  * USA
  16  */
  17
  18
  19 #ifndef COLORMODELS_H
  20 #define COLORMODELS_H
  21
  22 // Colormodels
  23 #define BC_TRANSPARENCY 0
  24 #define BC_COMPRESSED   1
  25 #define BC_RGB8         2
  26 #define BC_RGB565       3
  27 #define BC_BGR565       4
  28 #define BC_BGR888       5
  29 #define BC_BGR8888      6
  30 // Working bitmaps are packed to simplify processing
  31 #define BC_RGB888       9
  32 #define BC_RGBA8888     10
  33 #define BC_ARGB8888     20
  34 #define BC_ABGR8888     21
  35 #define BC_RGB161616    11
  36 #define BC_RGBA16161616 12
  37 #define BC_YUV888       13
  38 #define BC_YUVA8888     14
  39 #define BC_YUV161616    15
  40 #define BC_YUVA16161616 16
  41 #define BC_YUV422       19
  42 #define BC_A8           22
  43 #define BC_A16          23
  44 #define BC_A_FLOAT      31
  45 #define BC_YUV101010    24
  46 #define BC_VYU888       25
  47 #define BC_UYVA8888     26
  48 #define BC_RGB_FLOAT    29
  49 #define BC_RGBA_FLOAT   30
  50 // Planar
  51 #define BC_YUV420P      7
  52 #define BC_YUV422P      17
  53 #define BC_YUV444P      27
  54 #define BC_YUV411P      18
  55 #define BC_YUV9P        28     // Disasterous cmodel from Sorenson
  56
  57 // Colormodels purely used by Quicktime are done in Quicktime.
  58
  59 // For communication with the X Server
  60 #define FOURCC_YV12 0x32315659  /* YV12   YUV420P */
  61 #define FOURCC_YUV2 0x32595559  /* YUV2   YUV422 */
  62 #define FOURCC_I420 0x30323449  /* I420   Intel Indeo 4 */
  63
  64 #undef CLAMP
  65 #define CLAMP(x, y, z) ((x) = ((x) < (y) ? (y) : ((x) > (z) ? (z) : (x))))
  66
  67 #undef CLIP
  68 #define CLIP(x, y, z) ((x) < (y) ? (y) : ((x) > (z) ? (z) : (x)))
  69
  70
  71 #ifdef __cplusplus
  72 extern "C" {
  73 #endif
  74
  75 typedef struct
  76 {
  77         int rtoy_tab[0x100], gtoy_tab[0x100], btoy_tab[0x100];
  78         int rtou_tab[0x100], gtou_tab[0x100], btou_tab[0x100];
  79         int rtov_tab[0x100], gtov_tab[0x100], btov_tab[0x100];
  80
  81         int vtor_tab[0x100], vtog_tab[0x100];
  82         int utog_tab[0x100], utob_tab[0x100];
  83 // Used by init_yuv only
  84         int *vtor, *vtog, *utog, *utob;
  85
  86         short int vtor_tab8[0x100], vtog_tab8[0x100];
  87         short int utog_tab8[0x100], utob_tab8[0x100];
  88         short int *vtor8, *vtog8, *utog8, *utob8;
  89
  90         float vtor_float_tab[0x100], vtog_float_tab[0x100];
  91         float utog_float_tab[0x100], utob_float_tab[0x100];
  92         float *vtor_float, *vtog_float, *utog_float, *utob_float;
  93
  94         int rtoy_tab16[0x10000], gtoy_tab16[0x10000], btoy_tab16[0x10000];
  95         int rtou_tab16[0x10000], gtou_tab16[0x10000], btou_tab16[0x10000];
  96         int rtov_tab16[0x10000], gtov_tab16[0x10000], btov_tab16[0x10000];
  97
  98         int vtor_tab16[0x10000], vtog_tab16[0x10000];
  99         int utog_tab16[0x10000], utob_tab16[0x10000];
 100         int *vtor16, *vtog16, *utog16, *utob16;
 101
 102         float v16tor_float_tab[0x10000], v16tog_float_tab[0x10000];
 103         float u16tog_float_tab[0x10000], u16tob_float_tab[0x10000];
 104         float *v16tor_float, *v16tog_float, *u16tog_float, *u16tob_float;
 105 } cmodel_yuv_t;
 106
 107 extern cmodel_yuv_t *yuv_table;
 108
 109 int cmodel_calculate_pixelsize(int colormodel);
 110 int cmodel_calculate_datasize(int w, int h, int bytes_per_line, int color_model);
 111 int cmodel_calculate_max(int colormodel);
 112 int cmodel_components(int colormodel);
 113 int cmodel_is_yuv(int colormodel);
 114 int cmodel_has_alpha(int colormodel);
 115
 116 // Tell when to use plane arguments or row pointer arguments to functions
 117 int cmodel_is_planar(int color_model);
 118 void cmodel_to_text(char *string, int cmodel);
 119 int cmodel_from_text(char *text);
 120
 121
 122
 123 void cmodel_transfer(unsigned char **output_rows, /* Leave NULL if non existent */
 124         unsigned char **input_rows,
 125         unsigned char *out_y_plane, /* Leave NULL if non existent */
 126         unsigned char *out_u_plane,
 127         unsigned char *out_v_plane,
 128         unsigned char *in_y_plane, /* Leave NULL if non existent */
 129         unsigned char *in_u_plane,
 130         unsigned char *in_v_plane,
 131         int in_x,        /* Dimensions to capture from input frame */
 132         int in_y,
 133         int in_w,
 134         int in_h,
 135         int out_x,       /* Dimensions to project on output frame */
 136         int out_y,
 137         int out_w,
 138         int out_h,
 139         int in_colormodel,
 140         int out_colormodel,
 141         int bg_color,         /* When transfering BC_RGBA8888 to non-alpha this is the background color in 0xRRGGBB hex */
 142         int in_rowspan,       /* For planar use the luma rowspan */
 143         int out_rowspan);     /* For planar use the luma rowspan */
 144
 145 void cmodel_init_yuv(cmodel_yuv_t *yuv_table);
 146 void cmodel_delete_yuv(cmodel_yuv_t *yuv_table);
 147 int cmodel_bc_to_x(int color_model);
 148
 149 #ifdef __cplusplus
 150 }
 151 #endif
 152
 153 #endif