public static MidiPlayer GetMidiPlayer(IMidiPlayerTimeManager timeManager, MidiMusic midiMusic, IMidiAccess midiAccess = null)
{
var access = midiAccess ?? MidiAccessManager.Empty;
var music = midiMusic ?? GetMidiMusic();
var tm = timeManager ?? new VirtualMidiPlayerTimeManager();
return(new MidiPlayer(music, access, tm));
}
public static MidiPlayer GetMidiPlayer(IMidiPlayerTimeManager timeManager = null, IMidiAccess midiAccess = null, string resourceId = null)
{
var access = midiAccess ?? MidiAccessManager.Empty;
var music = resourceId != null?GetMidiMusic(resourceId) : GetMidiMusic();
var tm = timeManager ?? new VirtualMidiPlayerTimeManager();
return(new MidiPlayer(music, access, tm));
}
public MidiEventLooper(IList <MidiMessage> messages, IMidiPlayerTimeManager timeManager, int deltaTimeSpec)
{
if (messages == null)
{
throw new ArgumentNullException("messages");
}
if (deltaTimeSpec < 0)
{
throw new NotSupportedException("SMPTe-based delta time is not implemented in this player.");
}
delta_time_spec = deltaTimeSpec;
time_manager = timeManager;
this.messages = messages;
state = PlayerState.Stopped;
}
public MidiPlayer(MidiMusic music, IMidiOutput output, IMidiPlayerTimeManager timeManager)
{
if (music == null)
{
throw new ArgumentNullException("music");
}
if (output == null)
{
throw new ArgumentNullException("output");
}
if (timeManager == null)
{
throw new ArgumentNullException("timeManager");
}
this.music = music;
this.output = output;
messages = SmfTrackMerger.Merge(music).Tracks [0].Messages;
player = new MidiEventLooper(messages, timeManager, music.DeltaTimeSpec);
player.Starting += () => {
// all control reset on all channels.
for (int i = 0; i < 16; i++)
{
buffer [0] = (byte)(i + 0xB0);
buffer [1] = 0x79;
buffer [2] = 0;
output.Send(buffer, 0, 3, 0);
}
};
EventReceived += (m) => {
switch (m.EventType)
{
case MidiEvent.NoteOn:
case MidiEvent.NoteOff:
if (channel_mask != null && channel_mask [m.Channel])
{
return; // ignore messages for the masked channel.
}
goto default;
case MidiEvent.SysEx1:
case MidiEvent.SysEx2:
if (buffer.Length <= m.Data.Length)
{
buffer = new byte [buffer.Length * 2];
}
buffer [0] = m.StatusByte;
Array.Copy(m.Data, 0, buffer, 1, m.Data.Length);
output.Send(buffer, 0, m.Data.Length + 1, 0);
break;
case MidiEvent.Meta:
// do nothing.
break;
default:
var size = MidiEvent.FixedDataSize(m.StatusByte);
buffer [0] = m.StatusByte;
buffer [1] = m.Msb;
buffer [2] = m.Lsb;
output.Send(buffer, 0, size + 1, 0);
break;
}
};
}
public MidiPlayer(MidiMusic music, IMidiAccess access, IMidiPlayerTimeManager timeManager)
: this(music, access.OpenOutputAsync(access.Outputs.First().Id).Result, timeManager)
{
should_dispose_output = true;
}
public MidiPlayer(MidiMusic music, IMidiPlayerTimeManager timeManager)
: this(music, MidiAccessManager.Empty, timeManager)
{
}
