int quicktime_set_video(quicktime_t *file,
int tracks,
int frame_w,
int frame_h,
double frame_rate,
char *compressor)
{
int i;
quicktime_trak_t *trak;
if(tracks)
{
quicktime_mhvd_init_video(file, &(file->moov.mvhd), frame_rate);
file->total_vtracks = tracks;
file->vtracks = (quicktime_video_map_t*)calloc(1, sizeof(quicktime_video_map_t) * file->total_vtracks);
for(i = 0; i < tracks; i++)
{
trak = quicktime_add_track(file);
quicktime_trak_init_video(file, trak, frame_w, frame_h, frame_rate, compressor);
quicktime_init_video_map(&(file->vtracks[i]), trak);
}
}
return 0;
}
int quicktime_set_video(quicktime_t *file,
int tracks,
int frame_w,
int frame_h,
float frame_rate,
int time_scale,
char *compressor)
{
int i, j;
quicktime_trak_t *trak;
/* delete any existing tracks */
for(i = 0; i < file->total_vtracks; i++) {
for (j = 0; j < file->vtracks[i].totalHintTracks; j++) {
quicktime_delete_trak(&(file->moov),
file->vtracks[i].hintTracks[j]);
file->vtracks[i].hintTracks[j] = NULL;
file->total_hint_tracks--;
}
quicktime_delete_video_map(&(file->vtracks[i]));
quicktime_delete_trak(&(file->moov), file->vtracks[i].track);
}
free(file->vtracks);
file->vtracks = NULL;
file->total_vtracks = 0;
if (tracks > 0) {
file->total_vtracks = tracks;
file->vtracks = (quicktime_video_map_t*)calloc(1, sizeof(quicktime_video_map_t) * file->total_vtracks);
for(i = 0; i < tracks; i++)
{
trak = quicktime_add_track(&(file->moov));
quicktime_trak_init_video(file, trak, frame_w, frame_h, frame_rate,
time_scale, compressor);
quicktime_init_video_map(&(file->vtracks[i]), trak);
}
}
return 0;
}