public void WriteMusic(SmfMusic music)
{
WriteHeader(music.Format, (short)music.Tracks.Count, music.DeltaTimeSpec);
foreach (var track in music.Tracks)
{
WriteTrack(track);
}
}
public void Read(Stream stream)
{
this.stream = stream;
data = new SmfMusic();
try {
DoParse();
} finally {
this.stream = null;
}
}
public MidiSyncPlayer(SmfMusic music, IMidiTimeManager timeManager)
{
if (music == null)
{
throw new ArgumentNullException("music");
}
time_manager = timeManager;
this.music = music;
messages = SmfTrackMerger.Merge(music).Tracks [0].Messages;
state = PlayerState.Stopped;
}
public MidiPlayer(SmfMusic music, IMidiOutput output, IMidiTimeManager timeManager)
{
if (music == null)
{
throw new ArgumentNullException("music");
}
if (output == null)
{
throw new ArgumentNullException("output");
}
if (timeManager == null)
{
throw new ArgumentNullException("timeManager");
}
this.output = output;
player = new MidiSyncPlayer(music, timeManager);
EventReceived += (m) => {
switch (m.EventType)
{
case SmfEvent.SysEx1:
case SmfEvent.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.SendAsync(buffer, 0, m.Data.Length + 1, 0);
break;
case SmfEvent.Meta:
// do nothing.
break;
default:
var size = SmfEvent.FixedDataSize(m.StatusByte);
buffer [0] = m.StatusByte;
buffer [1] = m.Msb;
buffer [2] = m.Lsb;
output.SendAsync(buffer, 0, size + 1, 0);
break;
}
};
}
public SmfMusic Split()
{
int totalDeltaTime = 0;
foreach (var e in source)
{
totalDeltaTime += e.DeltaTime;
int id = GetTrackID(e);
GetTrack(id).AddMessage(totalDeltaTime, e);
}
var m = new SmfMusic();
m.DeltaTimeSpec = delta_time_spec;
foreach (var t in tracks.Values)
{
m.Tracks.Add(t.Track);
}
return(m);
}
public MidiSyncPlayer(SmfMusic music, IMidiTimeManager timeManager)
{
if (music == null)
throw new ArgumentNullException ("music");
time_manager = timeManager;
this.music = music;
messages = SmfTrackMerger.Merge (music).Tracks [0].Messages;
state = PlayerState.Stopped;
}
public MidiPlayer(SmfMusic music, IMidiTimeManager timeManager)
: this(music, MidiAccessManager.Empty, timeManager)
{
}
public static void Main(string [] args)
{
int inId = -1, outId = -1, bufsize = -1;
string filename = null;
TimeSpan interval = TimeSpan.Zero;
byte [] ex = null;
foreach (var arg in args) {
if (arg.StartsWith ("--in:")) {
if (!int.TryParse (arg.Substring (5), out inId))
inId = -1;
}
if (arg.StartsWith ("--out:")) {
if (!int.TryParse (arg.Substring (6), out outId))
outId = -1;
}
if (arg.StartsWith ("--buffer:")) {
if (!int.TryParse (arg.Substring (9), out bufsize))
bufsize = -1;
}
if (arg.StartsWith ("--file:"))
filename = arg.Substring (7);
if (arg.StartsWith ("--interval:")) {
int intervalint;
if (int.TryParse (arg.Substring (11), out intervalint))
interval = TimeSpan.FromMilliseconds (intervalint);
}
if (arg.StartsWith ("--sysex:")) {
string [] l = arg.Substring (8).Split (',');
ex = new byte [l.Length];
byte v;
for (int i = 0; i < ex.Length; i++) {
if (byte.TryParse (l [i], NumberStyles.HexNumber, NumberFormatInfo.InvariantInfo, out v))
ex [i] = v;
else {
ex = null;
break;
}
}
if (ex == null) {
Console.WriteLine ("invalid sysex: " + arg);
return;
}
}
}
var a = new List<MidiDeviceInfo> (MidiDeviceManager.AllDevices);
if (inId < 0) {
foreach (var dev in a)
if (dev.IsInput)
Console.WriteLine ("ID {0}: {1}", dev.ID, dev.Name);
Console.WriteLine ("Type number to select MIDI In Device to use (type anything else to quit)");
if (!int.TryParse (Console.ReadLine (), out inId))
return;
}
if (outId < 0) {
foreach (var dev in a)
if (dev.IsOutput)
Console.WriteLine ("ID {0}: {1}", dev.ID, dev.Name);
Console.WriteLine ("Type number to select MIDI Out Device to use (type anything else to quit)");
if (!int.TryParse (Console.ReadLine (), out outId))
return;
}
var dump = new BulkDump ();
if (interval != TimeSpan.Zero)
dump.Interval = interval;
if (bufsize > 0)
dump.BufferSize = bufsize;
if (ex != null)
dump.SetSysEx (ex);
dump.Start (inId, outId);
Console.WriteLine ("Type [CR] to stop receiving");
Console.ReadLine ();
dump.Stop ();
if (String.IsNullOrEmpty (filename)) {
Console.Write ("Type filename to save if you want: ");
filename = Console.ReadLine ();
}
if (filename.Length > 0) {
var music = new SmfMusic ();
var track = new SmfTrack ();
foreach (var e in dump.Results) {
if (e.SysEx != null)
track.Messages.Add (new SmfMessage (e.Timestamp, new SmfEvent (0xF0, 0, 0, e.SysEx)));
else
track.Messages.Add (new SmfMessage (e.Timestamp, new SmfEvent (e.Message.Value)));
}
music.Tracks.Add (track);
using (var f = File.Create (filename))
new SmfWriter (f).WriteMusic (music);
}
}
public static void Main(string [] args)
{
int inId = -1, outId = -1, bufsize = -1;
string filename = null;
TimeSpan interval = TimeSpan.Zero;
byte [] ex = null;
foreach (var arg in args)
{
if (arg.StartsWith("--in:"))
{
if (!int.TryParse(arg.Substring(5), out inId))
{
inId = -1;
}
}
if (arg.StartsWith("--out:"))
{
if (!int.TryParse(arg.Substring(6), out outId))
{
outId = -1;
}
}
if (arg.StartsWith("--buffer:"))
{
if (!int.TryParse(arg.Substring(9), out bufsize))
{
bufsize = -1;
}
}
if (arg.StartsWith("--file:"))
{
filename = arg.Substring(7);
}
if (arg.StartsWith("--interval:"))
{
int intervalint;
if (int.TryParse(arg.Substring(11), out intervalint))
{
interval = TimeSpan.FromMilliseconds(intervalint);
}
}
if (arg.StartsWith("--sysex:"))
{
string [] l = arg.Substring(8).Split(',');
ex = new byte [l.Length];
byte v;
for (int i = 0; i < ex.Length; i++)
{
if (byte.TryParse(l [i], NumberStyles.HexNumber, NumberFormatInfo.InvariantInfo, out v))
{
ex [i] = v;
}
else
{
ex = null;
break;
}
}
if (ex == null)
{
Console.WriteLine("invalid sysex: " + arg);
return;
}
}
}
var a = new List <MidiDeviceInfo> (MidiDeviceManager.AllDevices);
if (inId < 0)
{
foreach (var dev in a)
{
if (dev.IsInput)
{
Console.WriteLine("ID {0}: {1}", dev.ID, dev.Name);
}
}
Console.WriteLine("Type number to select MIDI In Device to use (type anything else to quit)");
if (!int.TryParse(Console.ReadLine(), out inId))
{
return;
}
}
if (outId < 0)
{
foreach (var dev in a)
{
if (dev.IsOutput)
{
Console.WriteLine("ID {0}: {1}", dev.ID, dev.Name);
}
}
Console.WriteLine("Type number to select MIDI Out Device to use (type anything else to quit)");
if (!int.TryParse(Console.ReadLine(), out outId))
{
return;
}
}
var dump = new BulkDump();
if (interval != TimeSpan.Zero)
{
dump.Interval = interval;
}
if (bufsize > 0)
{
dump.BufferSize = bufsize;
}
if (ex != null)
{
dump.SetSysEx(ex);
}
dump.Start(inId, outId);
Console.WriteLine("Type [CR] to stop receiving");
Console.ReadLine();
dump.Stop();
if (String.IsNullOrEmpty(filename))
{
Console.Write("Type filename to save if you want: ");
filename = Console.ReadLine();
}
if (filename.Length > 0)
{
var music = new SmfMusic();
var track = new SmfTrack();
foreach (var e in dump.Results)
{
if (e.SysEx != null)
{
track.Messages.Add(new SmfMessage(e.Timestamp, new SmfEvent(0xF0, 0, 0, e.SysEx)));
}
else
{
track.Messages.Add(new SmfMessage(e.Timestamp, new SmfEvent(e.Message.Value)));
}
}
music.Tracks.Add(track);
using (var f = File.Create(filename))
new SmfWriter(f).WriteMusic(music);
}
}
public MidiSyncPlayer(SmfMusic music)
{
if (music == null)
throw new ArgumentNullException ("music");
this.music = music;
events = SmfTrackMerger.Merge (music).Tracks [0].Events;
state = PlayerState.Stopped;
}
SmfTrackMerger(SmfMusic source)
{
this.source = source;
}
public MidiPlayer(SmfMusic music)
: this(music, MidiAccessManager.Empty)
{
}
public MidiPlayer(SmfMusic music, IMidiAccess access)
: this(music, access, new SimpleMidiTimeManager())
{
}
public MidiPlayer(SmfMusic music)
: this(music, MidiAccessManager.Empty)
{
}
MmlSmfGenerator(MmlResolvedMusic source)
{
this.source = source;
result = new SmfMusic () { DeltaTimeSpec = (short) (source.BaseCount / 4) };
}
public PortMidiPlayer(MidiOutput output, SmfMusic music)
: base(music)
{
this.output = output;
MessageReceived += delegate (SmfMessage m) { SendMidiMessage (m); };
}
public MidiPlayer(SmfMusic music, IMidiOutput output, IMidiTimeManager timeManager)
{
if (music == null)
throw new ArgumentNullException ("music");
if (output == null)
throw new ArgumentNullException ("output");
if (timeManager == null)
throw new ArgumentNullException ("timeManager");
this.output = output;
player = new MidiSyncPlayer (music, timeManager);
EventReceived += (m) => {
switch (m.EventType) {
case SmfEvent.SysEx1:
case SmfEvent.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.SendAsync (buffer, 0, m.Data.Length + 1, 0);
break;
case SmfEvent.Meta:
// do nothing.
break;
default:
var size = SmfEvent.FixedDataSize (m.StatusByte);
buffer [0] = m.StatusByte;
buffer [1] = m.Msb;
buffer [2] = m.Lsb;
output.SendAsync (buffer, 0, size + 1, 0);
break;
}
};
}
public MidiPlayer(SmfMusic music, IMidiAccess access, IMidiTimeManager timeManager)
: this(music, access.OpenOutputAsync (access.Outputs.First ().Id).Result, timeManager)
{
should_dispose_output = true;
}
public MidiPlayer(SmfMusic music, IMidiOutput output)
: this(music, output, new SimpleMidiTimeManager())
{
}
public MidiPlayer(SmfMusic music, IMidiAccess access)
: this(music, access, new SimpleMidiTimeManager ())
{
}
public MidiPlayer(SmfMusic music, IMidiTimeManager timeManager)
: this(music, MidiAccessManager.Empty, timeManager)
{
}
public static SmfMusic Merge(SmfMusic source)
{
return(new SmfTrackMerger(source).GetMergedMessages());
}
public MidiPlayer(SmfMusic music, IMidiAccess access, IMidiTimeManager timeManager)
: this(music, access.OpenOutputAsync(access.Outputs.First()).Result, timeManager)
{
should_dispose_output = true;
}
// FIXME: it should rather be implemented to iterate all
// tracks with index to messages, pick the track which contains
// the nearest event and push the events into the merged queue.
// It's simpler, and costs less by removing sort operation
// over thousands of events.
SmfMusic GetMergedMessages()
{
IList <SmfMessage> l = new List <SmfMessage> ();
foreach (var track in source.Tracks)
{
int delta = 0;
foreach (var mev in track.Messages)
{
delta += mev.DeltaTime;
l.Add(new SmfMessage(delta, mev.Event));
}
}
if (l.Count == 0)
{
return new SmfMusic()
{
DeltaTimeSpec = source.DeltaTimeSpec
}
}
; // empty (why did you need to sort your song file?)
// Sort() does not always work as expected.
// For example, it does not always preserve event
// orders on the same channels when the delta time
// of event B after event A is 0. It could be sorted
// either as A->B or B->A.
//
// To resolve this ieeue, we have to sort "chunk"
// of events, not all single events themselves, so
// that order of events in the same chunk is preserved
// i.e. [AB] at 48 and [CDE] at 0 should be sorted as
// [CDE] [AB].
var idxl = new List <int> (l.Count);
idxl.Add(0);
int prev = 0;
for (int i = 0; i < l.Count; i++)
{
if (l [i].DeltaTime != prev)
{
idxl.Add(i);
prev = l [i].DeltaTime;
}
}
idxl.Sort(delegate(int i1, int i2) {
return(l [i1].DeltaTime - l [i2].DeltaTime);
});
// now build a new event list based on the sorted blocks.
var l2 = new List <SmfMessage> (l.Count);
int idx;
for (int i = 0; i < idxl.Count; i++)
{
for (idx = idxl [i], prev = l [idx].DeltaTime; idx < l.Count && l [idx].DeltaTime == prev; idx++)
{
l2.Add(l [idx]);
}
}
//if (l.Count != l2.Count) throw new Exception (String.Format ("Internal eror: count mismatch: l1 {0} l2 {1}", l.Count, l2.Count));
l = l2;
// now messages should be sorted correctly.
var waitToNext = l [0].DeltaTime;
for (int i = 0; i < l.Count - 1; i++)
{
if (l [i].Event.Value != 0) // if non-dummy
{
var tmp = l [i + 1].DeltaTime - l [i].DeltaTime;
l [i] = new SmfMessage(waitToNext, l [i].Event);
waitToNext = tmp;
}
}
l [l.Count - 1] = new SmfMessage(waitToNext, l [l.Count - 1].Event);
var m = new SmfMusic();
m.DeltaTimeSpec = source.DeltaTimeSpec;
m.Format = 0;
m.Tracks.Add(new SmfTrack(l));
return(m);
}
}
SmfTrackMerger(SmfMusic source)
{
this.source = source;
}
public MidiPlayer(SmfMusic music)
{
player = new MidiSyncPlayer (music);
}
// FIXME: it should rather be implemented to iterate all
// tracks with index to messages, pick the track which contains
// the nearest event and push the events into the merged queue.
// It's simpler, and costs less by removing sort operation
// over thousands of events.
SmfMusic GetMergedMessages()
{
IList<SmfMessage> l = new List<SmfMessage> ();
foreach (var track in source.Tracks) {
int delta = 0;
foreach (var mev in track.Messages) {
delta += mev.DeltaTime;
l.Add (new SmfMessage (delta, mev.Event));
}
}
if (l.Count == 0)
return new SmfMusic () { DeltaTimeSpec = source.DeltaTimeSpec }; // empty (why did you need to sort your song file?)
// Sort() does not always work as expected.
// For example, it does not always preserve event
// orders on the same channels when the delta time
// of event B after event A is 0. It could be sorted
// either as A->B or B->A.
//
// To resolve this ieeue, we have to sort "chunk"
// of events, not all single events themselves, so
// that order of events in the same chunk is preserved
// i.e. [AB] at 48 and [CDE] at 0 should be sorted as
// [CDE] [AB].
var idxl = new List<int> (l.Count);
idxl.Add (0);
int prev = 0;
for (int i = 0; i < l.Count; i++) {
if (l [i].DeltaTime != prev) {
idxl.Add (i);
prev = l [i].DeltaTime;
}
}
idxl.Sort (delegate (int i1, int i2) {
return l [i1].DeltaTime - l [i2].DeltaTime;
});
// now build a new event list based on the sorted blocks.
var l2 = new List<SmfMessage> (l.Count);
int idx;
for (int i = 0; i < idxl.Count; i++)
for (idx = idxl [i], prev = l [idx].DeltaTime; idx < l.Count && l [idx].DeltaTime == prev; idx++)
l2.Add (l [idx]);
//if (l.Count != l2.Count) throw new Exception (String.Format ("Internal eror: count mismatch: l1 {0} l2 {1}", l.Count, l2.Count));
l = l2;
// now messages should be sorted correctly.
var waitToNext = l [0].DeltaTime;
for (int i = 0; i < l.Count - 1; i++) {
if (l [i].Event.Value != 0) { // if non-dummy
var tmp = l [i + 1].DeltaTime - l [i].DeltaTime;
l [i] = new SmfMessage (waitToNext, l [i].Event);
waitToNext = tmp;
}
}
l [l.Count - 1] = new SmfMessage (waitToNext, l [l.Count - 1].Event);
var m = new SmfMusic ();
m.DeltaTimeSpec = source.DeltaTimeSpec;
m.Format = 0;
m.Tracks.Add (new SmfTrack (l));
return m;
}
internal void LoadFileAsync(FileInfo file)
{
FileInfo prevfile = midifile;
if (file == prevfile || file == null)
return;
midifile = file;
new Thread ((ThreadStart) delegate {
try {
DrawCommon ("Loading " + midifile.Name);
UpdateView();
jetfile = midifile;
using (var fs = File.OpenRead(midifile.FullName))
{
SmfReader r = new SmfReader(fs);
r.Parse();
smf_music = r.Music;
smf_music = SmfTrackMerger.Merge(smf_music);
DrawCommon("Loaded");
}
} catch (SmfParserException ex) {
DrawCommon ("Parse error " + ex);
} catch (IOException ex) {
DrawCommon ("I/O error " + ex);
}
}).Start();
}
public void WriteMusic(SmfMusic music)
{
WriteHeader (music.Format, (short) music.Tracks.Count, music.DeltaTimeSpec);
foreach (var track in music.Tracks)
WriteTrack (track);
}
public void Read(Stream stream)
{
this.stream = stream;
data = new SmfMusic ();
try {
DoParse ();
} finally {
this.stream = null;
}
}
public MidiPlayer(SmfMusic music, IMidiOutput output)
: this(music, output, new SimpleMidiTimeManager ())
{
}
public static SmfMusic Merge(SmfMusic source)
{
return new SmfTrackMerger (source).GetMergedMessages ();
}
public MidiSyncPlayer(SmfMusic music)
: this(music, new SimpleMidiTimeManager())
{
}
public SmfMusic Split()
{
int totalDeltaTime = 0;
foreach (var e in source) {
totalDeltaTime += e.DeltaTime;
int id = GetTrackID (e);
GetTrack (id).AddMessage (totalDeltaTime, e);
}
var m = new SmfMusic ();
m.DeltaTimeSpec = delta_time_spec;
foreach (var t in tracks.Values)
m.Tracks.Add (t.Track);
return m;
}
public int GetTotalPlayTimeMilliseconds()
{
return(SmfMusic.GetTotalPlayTimeMilliseconds(messages, music.DeltaTimeSpec));
}
void StartNewSong(SmfMusic music)
{
if (player != null)
player.Dispose ();
player = new MidiPlayer (music, MidiState.Instance.GetMidiOutput (this));
player.PlayAsync ();
}
public MidiSyncPlayer(SmfMusic music)
: this(music, new SimpleMidiTimeManager ())
{
}
