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Preliminary (read: kludgey) MIDI import support.

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Only really works when tracks contain only channel 1 data for now.


git-svn-id: svn://localhost/ardour2/branches/3.0@3083 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
David Robillard 2008-02-18 19:45:52 +00:00
parent 1b2fe7bf34
commit fbfb26b45c
21 changed files with 704 additions and 115 deletions
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18
libs/ardour/smf_source.cc
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@ -70,7 +70,7 @@ SMFSource::SMFSource (Session& s, std::string path, Flag flags)
throw failed_constructor ();
}
//cerr << "SMF Source path: " << path << endl;
cerr << "SMF Source path: " << path << endl;
assert(_name.find("/") == string::npos);
}
@ -99,7 +99,7 @@ SMFSource::SMFSource (Session& s, const XMLNode& node)
throw failed_constructor ();
}
//cerr << "SMF Source name: " << _name << endl;
cerr << "SMF Source name: " << _name << endl;
assert(_name.find("/") == string::npos);
}
@ -184,7 +184,7 @@ SMFSource::flush_header ()
const uint16_t type = GUINT16_TO_BE(0); // SMF Type 0 (single track)
const uint16_t ntracks = GUINT16_TO_BE(1); // Number of tracks (always 1 for Type 0)
const uint16_t division = GUINT16_TO_BE(_ppqn); // Pulses per beat
const uint16_t division = GUINT16_TO_BE(_ppqn); // Pulses per quarter note (beat)
char data[6];
memcpy(data, &type, 2);
@ -195,9 +195,7 @@ SMFSource::flush_header ()
assert(_fd);
fseek(_fd, 0, 0);
write_chunk("MThd", 6, data);
//if (_track_size > 0) {
write_chunk_header("MTrk", _track_size);
//}
write_chunk_header("MTrk", _track_size);
fflush(_fd);
@ -446,7 +444,7 @@ SMFSource::write_unlocked (MidiRingBuffer& src, nframes_t cnt)
void
SMFSource::append_event_unlocked(const MidiEvent& ev)
{
/*printf("SMF - writing event, time = %lf, size = %u, data = ", ev.time(), ev.size());
/*printf("SMF %s - writing event, time = %lf, size = %u, data = ", _path.c_str(), ev.time(), ev.size());
for (size_t i=0; i < ev.size(); ++i) {
printf("%X ", ev.buffer()[i]);
}
@ -636,6 +634,12 @@ SMFSource::move_to_trash (const string trash_dir_name)
return 0;
}
bool
SMFSource::safe_file_extension(const Glib::ustring& file)
{
return (file.rfind(".mid") != Glib::ustring::npos);
}
// FIXME: Merge this with audiofilesource somehow (make a generic filesource?)
bool
SMFSource::find (string pathstr, bool must_exist, bool& isnew)