cinelerra-5.0/quicktime/vmhd.c

   1 #include "funcprotos.h"
   2 #include "quicktime.h"
   3
   4
   5 void quicktime_vmhd_init(quicktime_vmhd_t *vmhd)
   6 {
   7         vmhd->version = 0;
   8         vmhd->flags = 1;
   9         vmhd->graphics_mode = 64;
  10         vmhd->opcolor[0] = 32768;
  11         vmhd->opcolor[1] = 32768;
  12         vmhd->opcolor[2] = 32768;
  13 }
  14
  15 void quicktime_vmhd_init_video(quicktime_t *file,
  16                                                                 quicktime_vmhd_t *vmhd,
  17                                                                 int frame_w,
  18                                                                 int frame_h,
  19                                                                 float frame_rate)
  20 {
  21 }
  22
  23 void quicktime_vmhd_delete(quicktime_vmhd_t *vmhd)
  24 {
  25 }
  26
  27 void quicktime_vmhd_dump(quicktime_vmhd_t *vmhd)
  28 {
  29         printf("    video media header\n");
  30         printf("     version %d\n", vmhd->version);
  31         printf("     flags %ld\n", vmhd->flags);
  32         printf("     graphics_mode %d\n", vmhd->graphics_mode);
  33         printf("     opcolor %d %d %d\n", vmhd->opcolor[0], vmhd->opcolor[1], vmhd->opcolor[2]);
  34 }
  35
  36 void quicktime_read_vmhd(quicktime_t *file, quicktime_vmhd_t *vmhd)
  37 {
  38         int i;
  39         vmhd->version = quicktime_read_char(file);
  40         vmhd->flags = quicktime_read_int24(file);
  41         vmhd->graphics_mode = quicktime_read_int16(file);
  42         for(i = 0; i < 3; i++)
  43                 vmhd->opcolor[i] = quicktime_read_int16(file);
  44 }
  45
  46 void quicktime_write_vmhd(quicktime_t *file, quicktime_vmhd_t *vmhd)
  47 {
  48         quicktime_atom_t atom;
  49         int i;
  50         quicktime_atom_write_header(file, &atom, "vmhd");
  51
  52         quicktime_write_char(file, vmhd->version);
  53         quicktime_write_int24(file, vmhd->flags);
  54         quicktime_write_int16(file, vmhd->graphics_mode);
  55
  56         for(i = 0; i < 3; i++)
  57                 quicktime_write_int16(file, vmhd->opcolor[i]);
  58
  59         quicktime_atom_write_footer(file, &atom);
  60 }
  61