internal bool RemoveOTGTrack(Track track)
{
if (!otgtracks.Contains (track))
return false;
otgtracks.Remove (track);
return true;
}
public bool RemoveTrack(Track track)
{
int index;
bool ret = false;
while ((index = IndexOf (track)) >= 0) {
ret = true;
RemoveTrack (index);
}
return ret;
}
public void InsertTrack(int index, Track track)
{
if (IsOnTheGo)
throw new InvalidOperationException ("The On-The-Go playlist cannot be modified");
PlaylistItemRecord item = record.CreateItem ();
item.TrackId = track.Record.Id;
record.InsertItem (index, item);
if (TrackAdded != null)
TrackAdded (this, index, track);
}
public int IndexOf(Track track)
{
return record.IndexOf (track.Record.Id);
}
public void AddTrack(Track track)
{
InsertTrack (-1, track);
}
private static void WriteTrackEntry(BinaryWriter writer, Device device,
Track track)
{
// size of entry
writer.Write((byte)0x00);
writer.Write(Utility.Swap ((short)0x022e));
// unknown (0x5aa501)
writer.Write((byte)0x5a);
writer.Write((byte)0xa5);
writer.Write((byte)0x01);
// start time in 256ms increments (60 seconds = 0xea)
writer.Write(new byte [3]);
// unknown (always 0?)
writer.Write(new byte [3]);
// unknown, assoc. with start time
writer.Write(new byte [3]);
// stop time in 256ms increments (60 seconds = 0xea)
writer.Write(new byte [3]);
// unknown (always 0?)
writer.Write(new byte [3]);
// unknown, assoc. with stop time
writer.Write(new byte [3]);
// volume (-100 to 0 to 100)
writer.Write((byte)0x00);
writer.Write(Utility.Swap ((short)0x0064));
// file type (0x01 = MP3, 0x02 = AAC, 0x04 = WAV)
writer.Write(new byte [2]);
switch(track.Record.Type) {
case TrackRecordType.MP3:
writer.Write((byte)0x01);
break;
case TrackRecordType.AAC:
default:
writer.Write((byte)0x02);
break;
}
// unknown (0x000200)
writer.Write((byte)0x00);
writer.Write((byte)0x02);
writer.Write((byte)0x00);
// file name (UTF-16, record is 522 bytes)
string file = track.FileName;
if(file.StartsWith(device.VolumeInfo.MountPoint)) {
file = file.Substring(device.VolumeInfo.MountPoint.Length);
}
byte [] filebytes = Encoding.Unicode.GetBytes(file);
writer.Write(filebytes);
writer.Write(new byte [522 - filebytes.Length]);
// shuffle flag (0x00 to disable playback in shuffle mode)
writer.Write((byte)0x01);
// bookmark flag (0x00 to disable)
writer.Write((byte)0x00);
// unknown, always 0?
writer.Write((byte)0x00);
}