void quicktime_mdhd_init(quicktime_mdhd_t *mdhd)
{
mdhd->version = 0;
mdhd->flags = 0;
mdhd->creation_time = quicktime_current_time();
mdhd->modification_time = quicktime_current_time();
mdhd->time_scale = 0;
mdhd->duration = 0;
mdhd->language = 0;
mdhd->quality = 100;
}
int quicktime_tkhd_init(quicktime_tkhd_t *tkhd)
{
int i;
tkhd->version = 0;
tkhd->flags = 15;
tkhd->creation_time = quicktime_current_time();
tkhd->modification_time = quicktime_current_time();
tkhd->track_id = 0;
tkhd->reserved1 = 0;
tkhd->duration = 0; /* need to set this when closing */
for(i = 0; i < 8; i++) tkhd->reserved2[i] = 0;
tkhd->layer = 0;
tkhd->alternate_group = 0;
tkhd->volume = 0.996094;
tkhd->reserved3 = 0;
quicktime_matrix_init(&(tkhd->matrix));
tkhd->track_width = 0;
tkhd->track_height = 0;
return 0;
}
int quicktime_mvhd_init(quicktime_mvhd_t *mvhd)
{
int i;
mvhd->version = 0;
mvhd->flags = 0;
mvhd->creation_time = quicktime_current_time();
mvhd->modification_time = quicktime_current_time();
mvhd->time_scale = 90000;
mvhd->duration = 0;
mvhd->preferred_rate = 1.0;
mvhd->preferred_volume = 0.996094;
for(i = 0; i < 10; i++) mvhd->reserved[i] = 0;
quicktime_matrix_init(&(mvhd->matrix));
mvhd->preview_time = 0;
mvhd->preview_duration = 0;
mvhd->poster_time = 0;
mvhd->selection_time = 0;
mvhd->selection_duration = 0;
mvhd->current_time = 0;
mvhd->next_track_id = 1;
return 0;
}
