cinelerra-5.0/quicktime/smhd.c

   1 #include "funcprotos.h"
   2 #include "quicktime.h"
   3
   4
   5
   6
   7 void quicktime_smhd_init(quicktime_smhd_t *smhd)
   8 {
   9         smhd->version = 0;
  10         smhd->flags = 0;
  11         smhd->balance = 0;
  12         smhd->reserved = 0;
  13 }
  14
  15 void quicktime_smhd_delete(quicktime_smhd_t *smhd)
  16 {
  17 }
  18
  19 void quicktime_smhd_dump(quicktime_smhd_t *smhd)
  20 {
  21         printf("    sound media header\n");
  22         printf("     version %d\n", smhd->version);
  23         printf("     flags %ld\n", smhd->flags);
  24         printf("     balance %d\n", smhd->balance);
  25         printf("     reserved %d\n", smhd->reserved);
  26 }
  27
  28 void quicktime_read_smhd(quicktime_t *file, quicktime_smhd_t *smhd)
  29 {
  30         smhd->version = quicktime_read_char(file);
  31         smhd->flags = quicktime_read_int24(file);
  32         smhd->balance = quicktime_read_int16(file);
  33         smhd->reserved = quicktime_read_int16(file);
  34 }
  35
  36 void quicktime_write_smhd(quicktime_t *file, quicktime_smhd_t *smhd)
  37 {
  38         quicktime_atom_t atom;
  39         quicktime_atom_write_header(file, &atom, "smhd");
  40
  41         quicktime_write_char(file, smhd->version);
  42         quicktime_write_int24(file, smhd->flags);
  43         quicktime_write_int16(file, smhd->balance);
  44         quicktime_write_int16(file, smhd->reserved);
  45
  46         quicktime_atom_write_footer(file, &atom);
  47 }