[jmsl] Playing Through An External Midi Device

jmsl at music.columbia.edu jmsl at music.columbia.edu
Wed Apr 15 10:27:55 EDT 2009 

What's Midi Device Editor you mentioned in previous email? Is it component 
gui that I can just grab from JMSL like MusicShapeEditor? Then I can just 
put that in a dialog or something.
Thanks,

Chi
----- Original Message ----- 
From: <jmsl at music.columbia.edu>
To: <jmsl at music.columbia.edu>
Sent: Wednesday, April 15, 2009 10:16 AM
Subject: Re: [jmsl] Playing Through An External Midi Device


> Select the output device from jmsl like this:
>
> JMSL.midi.setOutDevice(3);   // 3 is my presonus midi out device id
> JMSL.midi.open();
>
> Thanks
> Nick
>
> jmsl at music.columbia.edu wrote:
>> Thanks so much for the speedy update! How can I select the output device 
>> from jmsl? I tried to look for Midi Device editor in javadoc, but 
>> couldn't find it.
>>
>> Chi
>> ----- Original Message ----- From: <jmsl at music.columbia.edu>
>> To: <jmsl at music.columbia.edu>
>> Sent: Wednesday, April 15, 2009 1:48 AM
>> Subject: Re: [jmsl] Playing Through An External Midi Device
>>
>>
>>> Hi Chi
>>>
>>> I have a prerelease posted at http://www.algomusic.com/prerelease/
>>> This prerelease include MidiIO_JavaSound support of external output 
>>> devices (not input devices yet)
>>> Thanks very much for your work on this!  It helped me get this rolled 
>>> into JMSL in a straightforward manner....
>>>
>>> Oddly, JavaSound's device indexes do not distinguish between input and 
>>> output devices, so people that use the Midi Device editor will see the 
>>> input list is the same as the output list, with all devices listed in 
>>> each... I'll fix that later.
>>>
>>> Don't celebrate the timestamps too soon! Even though there is an 
>>> argument for timestamps, none of the midi devices I have support the 
>>> time stamp. I think it's there as a place holder. I understand the only 
>>> way to get accurate MIDI from JavaSound is to use their Real Time 
>>> Sequencer. Something to look at. But right now, this works OK: you can 
>>> select the midi output device and JMSL.midi will send!  For this 
>>> prerelease MidiIO_JavaSound is the default midi device for JMSL.  But 
>>> right now if people want rhythmically accurate MIDI output, use 
>>> MidiShare
>>>
>>> A summary of changes since last prerelease follows (note there's a bunch 
>>> of music font stuff there, so if any of you have Sonata music font 
>>> installed you'll see that JMSL Score looks quite different now!)
>>>
>>> Thanks,
>>> Nick Didkovsky
>>>
>>> JMSL PRERELEASE 20090414
>>> 12/13/08    Fixed bug in 
>>> com.softsynth.jmsl.score.midi.WriteScoreMidiFile. Chord Intervals with 
>>> Midi Velocities greater than 1 were being multiplied by 128, erroneously 
>>> assuming they were amplitudes. Fixed, thanks Georg Hajdu
>>> 12/13/08    MIDIFileToMusicShape now taking absolute values of meta time 
>>> signature data. Greg Wilder provided 2 MIDI files which included 
>>> negative time signatures that crashed the midi file transcriber.
>>> 12/27/08    TiedNoteAccumulator sets hold time to accumulated duration. 
>>> This fixes the problem Joel Mellin discovered when the transcriber 
>>> extends long hold times with tied notes    and lets them sustain the 
>>> full hold time.
>>> 02/02/09    LilyPond export handles colored noteheads now. Thanks Joel 
>>> Mellin for feature request. See jmsltestsuite.TwoTracksPerStaff
>>> 02/02/09    Notehead color attribute saved and loaded to/from score xml
>>> 02/02/09    Punos Music plug-in with text-only color chooser for 
>>> Notehead Color. "NoteHeadColorTransform". Not a serious color chooser 
>>> gui.
>>> 03/06/09    Music Font Rendering using Sonata font, major progress. 
>>> noteheads, clefs, stems, expression marks, dynamics, time signatures
>>> 03/06/09    Bug fix: clicking on score canvas triggered two renders. 
>>> Removed extra call to score.render()
>>> 04/06/09    ScoreFrame has support to use JavaSound MIDI, searches for 
>>> soundbank.gm in classpath/javasound
>>> 04/06/09    run_jmsl_score scripts now include ../classes in classpath 
>>> (so that javasound/soundbank.gm can be found)
>>> 04/8/09      MusicGlyphRenderers are per Score now, not static any more
>>> 04/14/09    Support for external MIDI devices in JavaSound MIDI (Thanks 
>>> Chi!)
>>> 04/14/09    Default JMSL.midi is now MidiIO_JavaSound (no longer 
>>> MidiShare)
>>>
>>>
>>>
>>> jmsl at music.columbia.edu wrote:
>>>> I'm glad it worked. It even supports time stamp, so it's time to ditch 
>>>> MidiShare and move to applet! :) JavaSound seem to have bunch of other 
>>>> stuff for midi (like writing midi file to OutputStream), so it might be 
>>>> worth checking out the program guide when you get a chance.
>>>> How long do you think will take to implement external Midi device 
>>>> support with JavaSound? Let me know when you release new jmsl update.
>>>> Thanks,
>>>>
>>>> Chi
>>>> ----- Original Message ----- From: <jmsl at music.columbia.edu>
>>>> To: <jmsl at music.columbia.edu>
>>>> Sent: Tuesday, April 14, 2009 10:43 PM
>>>> Subject: Re: [jmsl] Playing Through An External Midi Device
>>>>
>>>>
>>>>> OK! I can successfully send midi notes to an external piano module 
>>>>> using this code. I tested it with two different MIDI interfaces: 
>>>>> XSession and Presonus Firepod
>>>>> Works great!
>>>>> thanks
>>>>> Nick
>>>>>
>>>>>
>>>>> jmsl at music.columbia.edu wrote:
>>>>>> Run this and then select the device from the console. It'll play a 
>>>>>> short note.
>>>>>> device.getMicrosecondPosition();
>>>>>> This method returns -1 if the device ignores time stamps. Otherwise, 
>>>>>> it returns the device's current notion of time, which you as the 
>>>>>> sender can use as an offset when determining the time stamps for 
>>>>>> messages you subsequently send. For example, if you want to send a 
>>>>>> message with a time stamp for five milliseconds in the future, you 
>>>>>> can get the device's current position in microseconds, add 5000 
>>>>>> microseconds, and use that as the time stamp. Keep in mind that the 
>>>>>> MidiDevice's notion of time always places time zero at the time the 
>>>>>> device was opened.
>>>>>>
>>>>>>
>>>>>> import java.io.BufferedReader;
>>>>>>
>>>>>> import java.io.IOException;
>>>>>>
>>>>>> import java.io.InputStreamReader;
>>>>>>
>>>>>> import javax.sound.midi.InvalidMidiDataException;
>>>>>>
>>>>>> import javax.sound.midi.MidiDevice;
>>>>>>
>>>>>> import javax.sound.midi.MidiSystem;
>>>>>>
>>>>>> import javax.sound.midi.MidiUnavailableException;
>>>>>>
>>>>>> import javax.sound.midi.ShortMessage;
>>>>>>
>>>>>>
>>>>>> public class Test {
>>>>>>
>>>>>> public static void main(String args[]) throws 
>>>>>> InvalidMidiDataException, MidiUnavailableException, IOException {
>>>>>>
>>>>>>
>>>>>> MidiDevice.Info[] infos = MidiSystem.getMidiDeviceInfo();
>>>>>>
>>>>>> for (int i = 0; i < infos.length; i++) {
>>>>>>
>>>>>> System.out.println(i+": "+infos[i]);
>>>>>>
>>>>>> }
>>>>>>
>>>>>>
>>>>>> BufferedReader bf = new BufferedReader(new 
>>>>>> InputStreamReader(System.in));
>>>>>>
>>>>>> System.out.println("Which device?");
>>>>>>
>>>>>> int n = 0;
>>>>>>
>>>>>> try {
>>>>>>
>>>>>> n = Integer.parseInt(bf.readLine());
>>>>>>
>>>>>> } catch (NumberFormatException e) {}
>>>>>>
>>>>>>
>>>>>> MidiDevice device = null;
>>>>>>
>>>>>> try {
>>>>>>
>>>>>> device = MidiSystem.getMidiDevice(infos[n]);
>>>>>>
>>>>>> } catch (MidiUnavailableException e) {}
>>>>>>
>>>>>> if (!(device.isOpen())) {
>>>>>>
>>>>>> try {
>>>>>>
>>>>>> device.open();
>>>>>>
>>>>>> } catch (MidiUnavailableException e) {
>>>>>>
>>>>>> // Handle or throw exception...
>>>>>>
>>>>>> }
>>>>>>
>>>>>> }
>>>>>>
>>>>>>
>>>>>> ShortMessage msg = new ShortMessage();
>>>>>>
>>>>>> msg.setMessage(ShortMessage.NOTE_ON, 0, 60, 93);
>>>>>>
>>>>>> long timeStamp = -1;
>>>>>>
>>>>>> javax.sound.midi.Receiver rcvr = device.getReceiver();
>>>>>>
>>>>>> rcvr.send(msg, timeStamp);
>>>>>>
>>>>>> System.exit(0);
>>>>>>
>>>>>> }
>>>>>>
>>>>>>
>>>>>> }
>>>>>>
>>>>>>
>>>>>>
>>>>>> ----- Original Message ----- From: <jmsl at music.columbia.edu>
>>>>>> To: <jmsl at music.columbia.edu>
>>>>>> Sent: Tuesday, April 14, 2009 11:50 AM
>>>>>> Subject: Re: [jmsl] Playing Through An External Midi Device
>>>>>>
>>>>>>
>>>>>>> Hi Chi
>>>>>>>
>>>>>>> Please help me out here, I don't have a lot of resources currently 
>>>>>>> to work on this.  If you can do the following in a few lines of pure 
>>>>>>> Java (no JMSL at all), then I will implement it in JMSL's JavaSound 
>>>>>>> support
>>>>>>>
>>>>>>> If someone already knows how to do this, please share it here.
>>>>>>>
>>>>>>> You already know how to enumerate through midi device info.
>>>>>>>
>>>>>>> You can create a MidiDevice using minfo like this:
>>>>>>> MidiDevice mdev = MidiSystem.getMidiDevice(infos[i]);
>>>>>>>
>>>>>>> Your challenge is to open the mdev you want, get the transmitter or 
>>>>>>> receiver or whatever it is one needs to do to send a midi message 
>>>>>>> out to it, and send it a simple MidiMessage like a noteon.
>>>>>>> I've tried it but cannot get a receiver or a transmitter for these 
>>>>>>> midi devices, I just get nulls or exceptions.  Something's missing 
>>>>>>> and I don't know what it is.
>>>>>>>
>>>>>>> My code follows...
>>>>>>> MidiDevice.Info[] minfo= MidiSystem.getMidiDeviceInfo();
>>>>>>> for (int i = 0; i < minfo.length; i++) {
>>>>>>>                MidiDevice mdev = MidiSystem.getMidiDevice(minfo[i]);
>>>>>>>                String info = minfo[i].getDescription() + ", " +
>>>>>>>                minfo[i].getName() + ", " +
>>>>>>>                minfo[i].getVendor() + ", " +
>>>>>>>                minfo[i].getVersion();
>>>>>>>                System.out.println("\nDevice " + i + " = " + minfo[i] 
>>>>>>> + " ... " + mdev.toString());
>>>>>>>                System.out.println("CLASS: " + mdev.getClass());
>>>>>>>                mdev.open();
>>>>>>>                try {
>>>>>>>                    System.out.println("transmitter for this: " + 
>>>>>>> mdev.getTransmitter());
>>>>>>>                    System.out.println("receiver for this : " + 
>>>>>>> mdev.getReceiver());
>>>>>>>                } catch (MidiUnavailableException e) {
>>>>>>>                    System.out.println("can't get transmitter or 
>>>>>>> receiver for this");
>>>>>>>                }               mdev.close();
>>>>>>> }
>>>>>>>
>>>>>>> Thanks
>>>>>>> Nick
>>>>>>>
>>>>>>> jmsl at music.columbia.edu wrote:
>>>>>>>> How can I hookup JavaSound ports to JMSL? If I do this I can see 
>>>>>>>> all the external midi devices I have on my computer.
>>>>>>>>
>>>>>>>> MidiDevice.Info[] infos = MidiSystem.getMidiDeviceInfo();
>>>>>>>> for (int i = 0; i < infos.length; i++) {
>>>>>>>>    System.out.println(infos[i]);
>>>>>>>> }
>>>>>>>>
>>>>>>>> /*
>>>>>>>> Result:
>>>>>>>> USB Audio Device
>>>>>>>> Microsoft MIDI Mapper
>>>>>>>> USB Audio Device
>>>>>>>> SB X-Fi Synth A [BC00]
>>>>>>>> SB X-Fi Synth B [BC00]
>>>>>>>> Microsoft GS Wavetable SW Synth
>>>>>>>> Real Time Sequencer
>>>>>>>> Java Sound Synthesizer
>>>>>>>> */
>>>>>>>>
>>>>>>>> If I do this, I get an error.
>>>>>>>> JMSL.midi = MidiIO_JavaSound.instance();
>>>>>>>> String[] deviceNames = JMSL.midi.getOutputDeviceNames();
>>>>>>>> System.out.println("There are " + deviceNames.length + "midi 
>>>>>>>> devices.");
>>>>>>>> for (int i=0; i<deviceNames.length; i++) {
>>>>>>>> System.out.println(deviceNames[i]);
>>>>>>>> }
>>>>>>>>
>>>>>>>> /*
>>>>>>>> Result:
>>>>>>>> There are 1midi devices.
>>>>>>>> Unimplemented
>>>>>>>> */
>>>>>>>>
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>>>>>>
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