src_test.c

   1 /* fswebcam - FireStorm.cx's webcam generator                */
   2 /*===========================================================*/
   3 /* Copyright (C)2005-2006 Philip Heron <phil@firestorm.cx>   */
   4 /*                                                           */
   5 /* This program is distributed under the terms of the GNU    */
   6 /* General Public License, version 2. You may use, modify,   */
   7 /* and redistribute it under the terms of this license. A    */
   8 /* copy should be included with this source.                 */
   9
  10 #ifdef HAVE_CONFIG_H
  11 #include "config.h"
  12 #endif
  13
  14 #include <stdlib.h>
  15 #include "src.h"
  16 #include "log.h"
  17
  18 #define PUT_RGB(d, r, g, b) { d[0] = r; d[1] = g; d[2] = b; }
  19
  20 int src_test_open(src_t *src)
  21 {
  22         uint8_t *p;
  23         uint32_t x, y;
  24
  25         if(src->list & SRC_LIST_INPUTS) HEAD("--- No inputs.");
  26         if(src->list & SRC_LIST_TUNERS) HEAD("--- No tuners.");
  27         if(src->list & SRC_LIST_FORMATS) HEAD("--- Test only supports RGB24.");
  28         if(src->list & SRC_LIST_CONTROLS) HEAD("--- No controls.");
  29
  30         /* Allocate memory for the test image. */
  31         src->length = src->width * src->height * 3;
  32         src->img    = (uint8_t *) malloc(src->length);
  33         if(!src->img) return(-1);
  34
  35         /* Set the palette type. */
  36         src->palette = SRC_PAL_RGB24;
  37
  38         /* Draw the test image. */
  39         p = src->img;
  40         for(y = 0; y < src->height; y++)
  41         {
  42                 for(x = 0; x < src->width; x++)
  43                 {
  44                         int i = x / (src->width / 8);
  45
  46                         i = 7 - i;
  47
  48                         switch(i)
  49                         {
  50                         case 0:  /* Black */
  51                                 PUT_RGB(p, 0x00, 0x00, 0x00); break;
  52                         case 1:  /* Blue */
  53                                 PUT_RGB(p, 0x00, 0x00, 0xFF); break;
  54                         case 2:  /* Red */
  55                                 PUT_RGB(p, 0xFF, 0x00, 0x00); break;
  56                         case 3:  /* Purple */
  57                                 PUT_RGB(p, 0xFF, 0x00, 0xFF); break;
  58                         case 4:  /* Green */
  59                                 PUT_RGB(p, 0x00, 0xFF, 0x00); break;
  60                         case 5:  /* Cyan */
  61                                 PUT_RGB(p, 0x00, 0xFF, 0xFF); break;
  62                         case 6:  /* Yellow */
  63                                 PUT_RGB(p, 0xFF, 0xFF, 0x00); break;
  64                         default: /* White */
  65                                 PUT_RGB(p, 0xFF, 0xFF, 0xFF); break;
  66                         }
  67
  68                         p += 3;
  69                 }
  70         }
  71
  72         return(0);
  73 }
  74
  75 int src_test_close(src_t *src)
  76 {
  77         free(src->img);
  78         return(0);
  79 }
  80
  81 int src_test_grab(src_t *src)
  82 {
  83         return(0);
  84 }
  85
  86 src_mod_t src_test = {
  87         "test", SRC_TYPE_NONE,
  88         src_test_open,
  89         src_test_close,
  90         src_test_grab
  91 };
  92