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-rw-r--r--lib/MThd.cc38
1 files changed, 38 insertions, 0 deletions
diff --git a/lib/MThd.cc b/lib/MThd.cc
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+++ b/lib/MThd.cc
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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);
+ }
+
+}