libmpeg3/mpeg3vtrack.c

   1 #include "libmpeg3.h"
   2 #include "mpeg3protos.h"
   3
   4 #include <stdlib.h>
   5
   6 mpeg3_vtrack_t* mpeg3_new_vtrack(mpeg3_t *file,
   7         int stream_id,
   8         mpeg3_demuxer_t *demuxer,
   9         int number)
  10 {
  11         int result = 0;
  12         mpeg3_vtrack_t *new_vtrack;
  13
  14 //printf("mpeg3_new_vtrack 1\n");
  15         new_vtrack = calloc(1, sizeof(mpeg3_vtrack_t));
  16         new_vtrack->demuxer = mpeg3_new_demuxer(file, 0, 1, stream_id);
  17         if(new_vtrack->demuxer) mpeg3demux_copy_titles(new_vtrack->demuxer, demuxer);
  18         new_vtrack->current_position = 0;
  19
  20 //printf("mpeg3_new_vtrack 10\n");
  21 // Copy pointers
  22         if(file->frame_offsets)
  23         {
  24                 new_vtrack->frame_offsets = file->frame_offsets[number];
  25                 new_vtrack->total_frame_offsets = file->total_frame_offsets[number];
  26                 new_vtrack->keyframe_numbers = file->keyframe_numbers[number];
  27                 new_vtrack->total_keyframe_numbers = file->total_keyframe_numbers[number];
  28         }
  29
  30 //printf("mpeg3_new_vtrack 20\n");
  31 //printf("mpeg3_new_vtrack %llx\n", mpeg3demux_tell(new_vtrack->demuxer));
  32 /* Get information about the track here. */
  33         new_vtrack->video = mpeg3video_new(file, new_vtrack);
  34         if(!new_vtrack->video)
  35         {
  36 /* Failed */
  37                 mpeg3_delete_vtrack(file, new_vtrack);
  38                 new_vtrack = 0;
  39         }
  40
  41 //printf("mpeg3_new_vtrack 100\n");
  42
  43         return new_vtrack;
  44 }
  45
  46 int mpeg3_delete_vtrack(mpeg3_t *file, mpeg3_vtrack_t *vtrack)
  47 {
  48         if(vtrack->video) mpeg3video_delete(vtrack->video);
  49         if(vtrack->demuxer) mpeg3_delete_demuxer(vtrack->demuxer);
  50         free(vtrack);
  51         return 0;
  52 }