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#include <midillo/MThd.h>
#include <midillo/util.h>
#include <midillo/exception.h>
namespace midillo {
using std::endl;
void MThd_t::load(istream& s) {
header.load(s);
if(header.id_number!=chunk_id_MThd)
throw exception_unexpected_input(CODEPOINT,"MThd chunk expected");
if(header.length!=6)
throw exception_invalid_input(CODEPOINT,"MThd chunk is not 6 bytes long");
load_data(s);
}
void MThd_t::load_data(istream& s) {
fmt = read16(s);
ntracks = read16(s);
division = read16(s);
}
void MThd_t::save(ostream& s) const {
header.save(s);
write16(s,fmt);
write16(s,ntracks);
write16(s,division);
}
void MThd_t::dump(ostream& s) const {
std::ios::fmtflags ff = s.flags();
s.unsetf(std::ios::hex); s.setf(std::ios::dec);
s << " " << header << endl
<< " fmt=" << fmt << ", " << ntracks << " track(s), division=" << division << endl;
s.flags(ff);
}
}
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