static void Main(string[] args)
{
if (args.Length != 2)
{
Console.WriteLine("Usage AlphaTab.ScoreDump.exe PathToFile PathToSoundFont");
return;
}
// load score
var score = ScoreLoader.LoadScoreFromBytes(File.ReadAllBytes(args[0]));
// generate midi
var midiFile = new MidiFile();
var handler = new AlphaSynthMidiFileHandler(midiFile);
var generator = new MidiFileGenerator(score, null, handler);
generator.Generate();
var player = new AlphaSynth(new NAudioSynthOutput());
player.MidiLoaded += () => { Console.WriteLine("Midi loaded"); };
player.SoundFontLoaded += () => { Console.WriteLine("SoundFont loaded"); };
player.MidiLoadFailed += e => { Console.WriteLine("Midi load failed"); };
player.SoundFontLoadFailed += e => { Console.WriteLine("SoundFont load failed"); };
player.Finished += _ =>
{
Console.WriteLine("Playback finished");
((NAudioSynthOutput)player.Output).Close();
};
player.PositionChanged += e =>
{
TimeSpan currentTime = TimeSpan.FromMilliseconds(e.CurrentTime);
TimeSpan endTime = TimeSpan.FromMilliseconds(e.EndTime);
Console.CursorTop--;
Console.Write("".PadLeft(Console.BufferWidth - 1, ' '));
Console.CursorLeft = 0;
Console.WriteLine("{0:mm\\:ss\\:fff} ({1}) of {2:mm\\:ss\\:fff} ({3})",
currentTime, e.CurrentTick, endTime, e.EndTick);
};
player.ReadyForPlayback += () =>
{
Console.WriteLine("Ready for playback");
};
player.LoadSoundFont(File.ReadAllBytes(args[1]));
player.LoadMidi(midiFile);
Console.WriteLine("Start playing");
player.Play();
Console.WriteLine("Press enter to exit");
Console.ReadLine();
player.Pause();
Console.ReadLine();
}
public void TestPcmGeneration()
{
var tex = "\\tempo 102 \\tuning E4 B3 G3 D3 A2 E2 \\instrument 25 . r.8 (0.4 0.3 ).8 " +
"(-.3 -.4 ).2 {d } | (0.4 0.3 ).8 r.8 (3.3 3.4 ).8 r.8 (5.4 5.3 ).4 r.8 (0.4 0.3 ).8 |" +
" r.8 (3.4 3.3 ).8 r.8 (6.3 6.4 ).8 (5.4 5.3 ).4 {d }r.8 |" +
" (0.4 0.3).8 r.8(3.4 3.3).8 r.8(5.4 5.3).4 r.8(3.4 3.3).8 | " +
"r.8(0.4 0.3).8(-.3 - .4).2 { d } | ";
var importer = new AlphaTexImporter();
importer.Init(TestPlatform.CreateStringReader(tex));
var score = importer.ReadScore();
var midi = new MidiFile();
var gen = new MidiFileGenerator(score, null, new AlphaSynthMidiFileHandler(midi));
gen.Generate();
var testOutput = new TestOutput();
var synth = new AlphaSynth(testOutput);
synth.LoadSoundFont(TestPlatform.LoadFile("TestFiles/Audio/default.sf2"));
synth.LoadMidi(midi);
synth.Play();
var finished = false;
synth.Finished += b => finished = true;
while (!finished)
{
testOutput.Continue();
}
//Console.WriteLine(testOutput.Samples.Count);
//using (var writer = new BinaryWriter(new FileStream("test.pcm", FileMode.Create, FileAccess.Write)))
//{
// for (int i = 0; i < testOutput.Samples.Count; i++)
// {
// writer.Write(testOutput.Samples[i]);
// }
//}
}
public void HandleMessage(DOMEvent e)
{
var data = e.As <MessageEvent>().data;
var cmd = data.Member("cmd").As <string>();
switch (cmd)
{
case CmdSetLogLevel:
Logger.LogLevel = data.Member("value").As <LogLevel>();
break;
case CmdSetMasterVolume:
_player.MasterVolume = data.Member("value").As <float>();
break;
case CmdSetMetronomeVolume:
_player.MetronomeVolume = data.Member("value").As <float>();
break;
case CmdSetPlaybackSpeed:
_player.PlaybackSpeed = data.Member("value").As <double>();
break;
case CmdSetTickPosition:
_player.TickPosition = data.Member("value").As <int>();
break;
case CmdSetTimePosition:
_player.TimePosition = data.Member("value").As <double>();
break;
case CmdSetPlaybackRange:
_player.PlaybackRange = data.Member("value").As <PlaybackRange>();
break;
case CmdSetIsLooping:
_player.IsLooping = data.Member("value").As <bool>();
break;
case CmdPlay:
_player.Play();
break;
case CmdPause:
_player.Pause();
break;
case CmdPlayPause:
_player.PlayPause();
break;
case CmdStop:
_player.Stop();
break;
case CmdLoadSoundFontBytes:
_player.LoadSoundFont(data.Member("data").As <byte[]>());
break;
case CmdLoadMidiBytes:
_player.LoadMidi(data.Member("data").As <byte[]>());
break;
case CmdSetChannelMute:
_player.SetChannelMute(data.Member("channel").As <int>(), data.Member("mute").As <bool>());
break;
case CmdSetChannelSolo:
_player.SetChannelSolo(data.Member("channel").As <int>(), data.Member("solo").As <bool>());
break;
case CmdSetChannelVolume:
_player.SetChannelVolume(data.Member("channel").As <int>(), data.Member("volume").As <double>());
break;
case CmdSetChannelProgram:
_player.SetChannelProgram(data.Member("channel").As <int>(), data.Member("program").As <byte>());
break;
case CmdResetChannelStates:
_player.ResetChannelStates();
break;
}
}
private static void Play()
{
//
// Midi
Console.WriteLine("Opening Midi");
var dlg = new OpenFileDialog {
Filter = "Midi Files (*.mid)|*.mid;*.midi"
};
if (dlg.ShowDialog() != DialogResult.OK)
{
return;
}
byte[] midiData;
try
{
midiData = File.ReadAllBytes(dlg.FileName);
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
return;
}
//
// SF2
Console.WriteLine("Opening SF2");
dlg.Filter = "SoundFont 2 Bank (*.sf2)|*.sf2";
if (dlg.ShowDialog() != DialogResult.OK)
{
return;
}
byte[] sf2Data;
try
{
sf2Data = File.ReadAllBytes(dlg.FileName);
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
return;
}
//
// Creating Synth
Platform.Platform.OutputFactory = () => new NAudioSynthOutput();
AlphaSynth player;
try
{
Console.WriteLine("Setup audio");
player = new AlphaSynth();
player.LoadMidi(midiData);
player.LoadSoundFont(sf2Data);
player.PositionChanged += (sender, args) =>
{
TimeSpan currentTime = TimeSpan.FromMilliseconds(args.CurrentTime);
TimeSpan endTime = TimeSpan.FromMilliseconds(args.EndTime);
Console.CursorTop--;
Console.Write("".PadLeft(Console.BufferWidth - 1, ' '));
Console.CursorLeft = 0;
Console.WriteLine("{0:mm\\:ss\\:fff} ({1}) of {2:mm\\:ss\\:fff} ({3})",
currentTime, args.CurrentTick, endTime, args.EndTick);
};
player.Finished += isLooping =>
{
((NAudioSynthOutput)player.Output).Close();
};
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
return;
}
//
// Play
Console.WriteLine("Start playing");
player.Play();
Console.WriteLine("Press enter to exit");
while (player.State == PlayerState.Playing)
{
try
{
Reader.ReadLine(5000);
player.Pause();
}
catch (Exception)
{
}
}
//
// Cleanup
player.Pause();
Console.ReadLine();
}
