quicktime/avcc.c

   1 #include "funcprotos.h"
   2 #include "quicktime.h"
   3 #include <string.h>
   4
   5
   6 void quicktime_delete_avcc(quicktime_avcc_t *avcc)
   7 {
   8         if(avcc->data) free(avcc->data);
   9 }
  10
  11 // Set esds header to a copy of the argument
  12 void quicktime_set_avcc_header(quicktime_avcc_t *avcc,
  13         unsigned char *data,
  14         int size)
  15 {
  16         if(avcc->data)
  17         {
  18                 free(avcc->data);
  19         }
  20
  21         avcc->data = calloc(1, size);
  22         memcpy(avcc->data, data, size);
  23         avcc->data_size = size;
  24 }
  25
  26 void quicktime_write_avcc(quicktime_t *file,
  27         quicktime_avcc_t *avcc)
  28 {
  29         quicktime_atom_t atom;
  30         quicktime_atom_write_header(file, &atom, "avcC");
  31         quicktime_write_data(file, avcc->data, avcc->data_size);
  32         quicktime_atom_write_footer(file, &atom);
  33 }
  34
  35
  36
  37 int quicktime_read_avcc(quicktime_t *file,
  38         quicktime_atom_t *parent_atom,
  39         quicktime_avcc_t *avcc)
  40 {
  41         avcc->data_size = parent_atom->size - 8;
  42         avcc->data = calloc(1, avcc->data_size + 1024);
  43         quicktime_read_data(file,
  44                 avcc->data,
  45                 avcc->data_size);
  46         quicktime_atom_skip(file, parent_atom);
  47         return 0;
  48 }
  49
  50 void quicktime_avcc_dump(quicktime_avcc_t *avcc)
  51 {
  52         int i;
  53         printf("       h264 description\n");
  54         printf("        data_size=0x%x\n", avcc->data_size);
  55         printf("        data=");
  56         for(i = 0; i < avcc->data_size; i++)
  57         {
  58                 printf("0x%02x ", (unsigned char)avcc->data[i]);
  59         }
  60         printf("\n");
  61 }