public void deleteTrack(X1Track track)
{
tracks.Remove(track);
trackPanel.deleteTrackView(track.trackView);
mixerWindow.deleteMixerStrip(track.mixerStrip);
waverly.deleteChannel(track.number);
}
//- track management ----------------------------------------------------------
//create a new empty track
public void newTrack()
{
//create backend track first
//later we'll scan through the track list and find an open slot
//for now, just stick at end of list
int nextTrackNum = (tracks.Count > 0) ? tracks[tracks.Count - 1].number + 1 : 0;
X1Track track = new X1Track(this, nextTrackNum);
addTrack(track);
waverly.addChannel(nextTrackNum);
}
static public int loadTrack(X1Project _project, byte[] trackdata, int dataPos, IntPtr inHdl)
{
int trackNameLen = BitConverter.ToInt32(trackdata, dataPos);
String _trackName = Encoding.ASCII.GetString(trackdata, dataPos + 4, trackNameLen);
dataPos = dataPos + 4 + trackNameLen;
int _number = BitConverter.ToInt32(trackdata, dataPos);
float _level = BitConverter.ToSingle(trackdata, dataPos + 4);
float _pan = BitConverter.ToSingle(trackdata, dataPos + 8);
X1Track track = new X1Track(_project, _number);
_project.addTrack(track);
_project.waverly.loadChannelData(_number, inHdl);
track.setTrackName(_trackName);
track.setLevel(_level);
track.setPan(_pan);
return(dataPos + 12);
}
//- track I/O -----------------------------------------------------------------
static public X1Project open(SignalsWindow signalsWindow, String filename)
{
X1Project newProject = null;
FileStream infile = File.Open(filename, FileMode.Open, FileAccess.Read);
byte[] inbuf = new byte[12];
infile.Read(inbuf, 0, 12);
String sig = Encoding.ASCII.GetString(inbuf, 0, 4);
int version = BitConverter.ToInt32(inbuf, 4);
int hdrSize = BitConverter.ToInt32(inbuf, 8);
inbuf = new byte[hdrSize];
infile.Read(inbuf, 0, hdrSize);
int projectNameLen = BitConverter.ToInt32(inbuf, 0);
String _projectName = Encoding.ASCII.GetString(inbuf, 4, projectNameLen);
int hdrOfs = projectNameLen + 4;
int _sampleRate = BitConverter.ToInt32(inbuf, hdrOfs);
int _duration = BitConverter.ToInt32(inbuf, hdrOfs + 4);
int dataSize = BitConverter.ToInt32(inbuf, hdrOfs + 8);
float _leftOutLevel = BitConverter.ToSingle(inbuf, hdrOfs + 12);
float _rightOutLevel = BitConverter.ToSingle(inbuf, hdrOfs + 16);
int trackCount = BitConverter.ToInt32(inbuf, hdrOfs + 20);
newProject = new X1Project(signalsWindow, _projectName, _sampleRate, _duration);
newProject.setLeftOutLevel(_leftOutLevel);
newProject.setRightOutLevel(_rightOutLevel);
newProject.filename = filename;
int trackDataPos = hdrOfs + 24;
IntPtr inhdl = infile.SafeFileHandle.DangerousGetHandle();
for (int tracknum = 0; tracknum < trackCount; tracknum++)
{
trackDataPos = X1Track.loadTrack(newProject, inbuf, trackDataPos, inhdl);
}
return(newProject);
}
public void importTracksFromFile(String filename)
{
int trackCount = waverly.importWaveFile(filename);
dataSize = waverly.getAudioDataSize();
int importDuration = (int)((dataSize + sampleRate - 1) / sampleRate);
//need to re-adjust durations of existing tracks both in view & in back end
if (importDuration > duration)
{
duration = importDuration;
trackPanel.updateDuration(duration);
}
int trackNum = tracks.Count;
for (int i = 0; i < trackCount; i++)
{
X1Track track = new X1Track(this, trackNum++);
tracks.Add(track);
trackPanel.addTrackView(track, duration);
mixerWindow.addMixerStrip(track);
}
}
//add existing track to project and UI windows
public void addTrack(X1Track track)
{
tracks.Add(track);
trackPanel.addTrackView(track, duration);
mixerWindow.addMixerStrip(track);
}