cinelerra-5.0/quicktime/dinf.c

   1 #include "funcprotos.h"
   2 #include "quicktime.h"
   3
   4 void quicktime_dinf_init(quicktime_dinf_t *dinf)
   5 {
   6         quicktime_dref_init(&(dinf->dref));
   7 }
   8
   9 void quicktime_dinf_delete(quicktime_dinf_t *dinf)
  10 {
  11         quicktime_dref_delete(&(dinf->dref));
  12 }
  13
  14 void quicktime_dinf_init_all(quicktime_dinf_t *dinf)
  15 {
  16         quicktime_dref_init_all(&(dinf->dref));
  17 }
  18
  19 void quicktime_dinf_dump(quicktime_dinf_t *dinf)
  20 {
  21         printf("    data information (dinf)\n");
  22         quicktime_dref_dump(&(dinf->dref));
  23 }
  24
  25 void quicktime_read_dinf(quicktime_t *file, quicktime_dinf_t *dinf, quicktime_atom_t *dinf_atom)
  26 {
  27         quicktime_atom_t leaf_atom;
  28
  29         do
  30         {
  31                 quicktime_atom_read_header(file, &leaf_atom);
  32                 if(quicktime_atom_is(&leaf_atom, "dref"))
  33                         { quicktime_read_dref(file, &(dinf->dref)); }
  34                 else
  35                         quicktime_atom_skip(file, &leaf_atom);
  36         }while(quicktime_position(file) < dinf_atom->end);
  37 }
  38
  39 void quicktime_write_dinf(quicktime_t *file, quicktime_dinf_t *dinf)
  40 {
  41         quicktime_atom_t atom;
  42         quicktime_atom_write_header(file, &atom, "dinf");
  43         quicktime_write_dref(file, &(dinf->dref));
  44         quicktime_atom_write_footer(file, &atom);
  45 }