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.
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.
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
23 #define BC_TRANSPARENCY 0
24 #define BC_COMPRESSED 1
30 // Working bitmaps are packed to simplify processing
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
38 #define BC_YUVA8888 14
39 #define BC_YUV161616 15
40 #define BC_YUVA16161616 16
46 #define BC_YUV101010 24
48 #define BC_UYVA8888 26
49 #define BC_RGB_FLOAT 29
50 #define BC_RGBA_FLOAT 30
54 //#define BC_YUV411P 17 // broken
56 #define BC_YUV9P 28 // Disasterous cmodel from Sorenson
58 // Colormodels purely used by Quicktime are done in Quicktime.
60 // For communication with the X Server
61 #define FOURCC_YV12 0x32315659 /* YV12 YUV420P */
62 #define FOURCC_YUV2 0x32595559 /* YUV2 YUV422 */
63 #define FOURCC_UYVY 0x59565955 /* UYVY UVY422 */
64 #define FOURCC_I420 0x30323449 /* I420 Intel Indeo 4 */
67 #define CLAMP(x, y, z) ((x) = ((x) < (y) ? (y) : ((x) > (z) ? (z) : (x))))
70 #define CLIP(x, y, z) ((x) < (y) ? (y) : ((x) > (z) ? (z) : (x)))
79 int rtoy_tab[0x100], gtoy_tab[0x100], btoy_tab[0x100];
80 int rtou_tab[0x100], gtou_tab[0x100], btou_tab[0x100];
81 int rtov_tab[0x100], gtov_tab[0x100], btov_tab[0x100];
83 int vtor_tab[0x100], vtog_tab[0x100];
84 int utog_tab[0x100], utob_tab[0x100];
85 // Used by init_yuv only
86 int *vtor, *vtog, *utog, *utob;
88 short int vtor_tab8[0x100], vtog_tab8[0x100];
89 short int utog_tab8[0x100], utob_tab8[0x100];
90 short int *vtor8, *vtog8, *utog8, *utob8;
92 float vtor_float_tab[0x100], vtog_float_tab[0x100];
93 float utog_float_tab[0x100], utob_float_tab[0x100];
94 float *vtor_float, *vtog_float, *utog_float, *utob_float;
96 int rtoy_tab16[0x10000], gtoy_tab16[0x10000], btoy_tab16[0x10000];
97 int rtou_tab16[0x10000], gtou_tab16[0x10000], btou_tab16[0x10000];
98 int rtov_tab16[0x10000], gtov_tab16[0x10000], btov_tab16[0x10000];
100 int vtor_tab16[0x10000], vtog_tab16[0x10000];
101 int utog_tab16[0x10000], utob_tab16[0x10000];
102 int *vtor16, *vtog16, *utog16, *utob16;
104 float v16tor_float_tab[0x10000], v16tog_float_tab[0x10000];
105 float u16tog_float_tab[0x10000], u16tob_float_tab[0x10000];
106 float *v16tor_float, *v16tog_float, *u16tog_float, *u16tob_float;
109 extern cmodel_yuv_t *yuv_table;
111 int cmodel_calculate_pixelsize(int colormodel);
112 int cmodel_calculate_datasize(int w, int h, int bytes_per_line, int color_model);
113 int cmodel_calculate_max(int colormodel);
114 int cmodel_components(int colormodel);
115 int cmodel_is_yuv(int colormodel);
116 int cmodel_has_alpha(int colormodel);
117 int cmodel_is_float(int colormodel);
119 // Tell when to use plane arguments or row pointer arguments to functions
120 int cmodel_is_planar(int color_model);
121 void cmodel_to_text(char *string, int cmodel);
122 int cmodel_from_text(const char *text);
126 void cmodel_transfer(unsigned char **output_rows, /* Leave NULL if non existent */
127 unsigned char **input_rows,
128 unsigned char *out_y_plane, /* Leave NULL if non existent */
129 unsigned char *out_u_plane,
130 unsigned char *out_v_plane,
131 unsigned char *in_y_plane, /* Leave NULL if non existent */
132 unsigned char *in_u_plane,
133 unsigned char *in_v_plane,
134 int in_x, /* Dimensions to capture from input frame */
138 int out_x, /* Dimensions to project on output frame */
144 int bg_color, /* When transfering BC_RGBA8888 to non-alpha this is the background color in 0xRRGGBB hex */
145 int in_rowspan, /* For planar use the luma rowspan */
146 int out_rowspan); /* For planar use the luma rowspan */
148 void cmodel_init_yuv(cmodel_yuv_t *yuv_table);
149 void cmodel_delete_yuv(cmodel_yuv_t *yuv_table);
150 int cmodel_bc_to_x(int color_model);