void quicktime_atom_write_footer(quicktime_t *file, quicktime_atom_t *atom)
{
atom->end = quicktime_position(file);
if(file->use_avi)
{
quicktime_set_position(file, atom->start - 4);
quicktime_write_int32_le(file, atom->end - atom->start);
atom->size = atom->end - atom->start;
}
else
{
// We should calculate atom->size here also... it is used in trak.c FIXME
// I don't know internals of the quicktime to know what is proper calculation - with or wirhout header?
if(atom->use_64)
{
quicktime_set_position(file, atom->start + 8);
//printf("quicktime_atom_write_footer %llx %llx %llx %llx\n", file->total_length, file->file_position, atom->start, atom->end);
quicktime_write_int64(file, atom->end - atom->start);
}
else
{
quicktime_set_position(file, atom->start);
quicktime_write_int32(file, atom->end - atom->start);
}
}
quicktime_set_position(file, atom->end);
}
int quicktime_write_nump(quicktime_t *file, quicktime_nump_t *nump)
{
quicktime_atom_t atom;
quicktime_atom_write_header(file, &atom, "nump");
quicktime_write_int64(file, nump->numPackets);
quicktime_atom_write_footer(file, &atom);
}
int quicktime_write_dimm(quicktime_t *file, quicktime_dimm_t *dimm)
{
quicktime_atom_t atom;
quicktime_atom_write_header(file, &atom, "dimm");
quicktime_write_int64(file, dimm->numBytes);
quicktime_atom_write_footer(file, &atom);
}
int quicktime_atom_write_header64(quicktime_t *file, quicktime_atom_t *atom, char *text)
{
int result = 0;
atom->start = quicktime_position(file);
result = !quicktime_write_int32(file, 1);
if(!result) result = !quicktime_write_char32(file, text);
if(!result) result = !quicktime_write_int64(file, 0);
atom->use_64 = 1;
return result;
}
