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Class com.nosuch.midi.MidiSystem

java.lang.Object
   |
   +----com.nosuch.midi.MidiSystem

public class MidiSystem

extends Object

 MidiSystem.start();
 

 MidiSystem.schedule(new MidiNote(100));   // pitch is 100
 

MidiSystem()

allNotesOff()

Return a phrase containing allo-notes-off messsages for all channels Currently this is only on the default channel

beatToClick(long)

Return number of clicks in a specified number of beats.

beatToMilli(long)

Return number of milliseconds in a specified number of beats.

clicksPerBeat()

Return number of clicks in a beat.

clickToMilli(long)

Return number of milliseconds in a specified number of clicks.

getNumInDevices()

return the number of input devices

getNumOutDevices()

return the number of output devices

isStarted()

Return true if MidiSystem has been started.

main(String[])

milliPerBeat()

Return number of milliseconds in one beat.

milliToClick(long)

Return number of clicks in a specified number of milliseconds.

nativeMidiInGetNumDevs()

Query the system regarding the number of MIDI input devices

nativeMidiOutGetNumDevs()

Query the system regarding the number of MIDI output devices

nativeNow()

Return value of current time in clicks (not milliseconds).

nativeOpenURL(String, String)

open a URL in a browser

nativeSetClicks(int)

set the value of Clicks for the scheduler

nativeSetDebug(int)

Set the debug flag for the Midi system

nativeSetTempo(int)

set the internal Tempo of the scheduler

now()

Return the current time in clicks.

schedule(byte[])

schedule(byte[], long)

schedule(MidiMsg)

Schedule a MidiMsg for eventual output.

schedule(MidiPhrase)

Schedule a MidiPhrase for eventual output The time offset of the phrase is set to MidiSystem.now(), so that if the time of the phrase starts at 0 (which is pretty normal), the phrase will play immediately.

schedule(MidiPhrase, long)

Schedule a MidiPhrase for eventual output.

setClicks(int)

Set the number of clicks per beat.

setDebug(int)

Set the debug level in the native methods.

setInDevice(MidiInput)

Set the input device to a new device (this is untested)

setOutDevice(MidiOutput)

Set the output device to a new device (this is untested)

setTempo(int)

Set the tempo of schedule playback.

start()

Initialize the MIDI system with default input and output devices.

start(MidiAction)

Initialize the MIDI system with specific callback actions.

start(MidiAction, int, int)

Initialize the MIDI system with specific callbacks and I/O devices.

stop()

Stop the MIDI system.

 public MidiSystem()

 public static int getNumInDevices()

return the number of input devices

 public static int getNumOutDevices()

return the number of output devices

 public static boolean isStarted()

Return true if MidiSystem has been started.

 public static boolean start()

Initialize the MIDI system with default input and output devices.

 public static boolean start(MidiAction act)

Initialize the MIDI system with specific callback actions.

Parameters:

act - MidiAction for callbacks on MIDI input messages.

 public static boolean start(MidiAction act,
                             int outId,
                             int inId)

Initialize the MIDI system with specific callbacks and I/O devices.

Parameters:

act - MidiAction for callbacks on MIDI input messages.

outId - Id of MIDI output device

inId - Id of MIDI input device

 public static void setOutDevice(MidiOutput o)

Set the output device to a new device (this is untested)

 public static void setInDevice(MidiInput o)

Set the input device to a new device (this is untested)

 public static void stop()

Stop the MIDI system.

 public static MidiPhrase allNotesOff()

Return a phrase containing allo-notes-off messsages for all channels Currently this is only on the default channel

 public static long clickToMilli(long nclicks)

Return number of milliseconds in a specified number of clicks.

Parameters:

nclicks - number of clicks

 public static long beatToMilli(long nbeats)

Return number of milliseconds in a specified number of beats.

Parameters:

nbeats - number of beats

 public static long milliPerBeat()

Return number of milliseconds in one beat.

 public static long milliToClick(long milli)

Return number of clicks in a specified number of milliseconds.

Parameters:

milli - number of milliseconds

 public static int clicksPerBeat()

Return number of clicks in a beat.

 public static long beatToClick(long nbeats)

Return number of clicks in a specified number of beats.

Parameters:

nbeats - number of beats

 public static synchronized void schedule(MidiMsg m) throws MidiException

Schedule a MidiMsg for eventual output.

Parameters:

m - MidiMsg to be scheduled

Throws: MidiException

If unable to schedule

 public static synchronized void schedule(MidiPhrase p) throws MidiException

Schedule a MidiPhrase for eventual output The time offset of the phrase is set to MidiSystem.now(), so that if the time of the phrase starts at 0 (which is pretty normal), the phrase will play immediately.

Parameters:

p - MidiPhrase to be scheduled

Throws: MidiException

If unable to schedule

 public static synchronized void schedule(MidiPhrase p,
                                          long offset) throws MidiException

Schedule a MidiPhrase for eventual output. The offset value controls when the phrase will begin. If the phrase time (i.e. the times attached to its MidiMsg objects) starts at 0, and the offset value is set to MidiSystem.now(), then playback will start immediately.

Parameters:

p - MidiPhrase to be scheduled

offset - An offset (in clicks) to be added to the time of the phrase

Throws: MidiException

If unable to schedule

 public static synchronized void schedule(byte b[]) throws MidiException

 public static synchronized void schedule(byte b[],
                                          long offset) throws MidiException

 public static void setTempo(int t) throws MidiException

Set the tempo of schedule playback.

Parameters:

t - tempo in microseconds per beat.

Throws: MidiException

If something goes wrong.

 public static void setClicks(int c) throws MidiException

Set the number of clicks per beat.

Parameters:

c - Number of clicks per beat.

Throws: MidiException

If something goes wrong.

 public static void setDebug(int d) throws MidiException

Set the debug level in the native methods.

Parameters:

d - Debug level.

Throws: MidiException

If something goes wrong.

 public static long now()

Return the current time in clicks.

Returns:

s Current time in clicks.

 public native void nativeSetTempo(int t) throws MidiException

set the internal Tempo of the scheduler

Throws: MidiException

If something goes wrong.

 public native void nativeSetClicks(int c) throws MidiException

set the value of Clicks for the scheduler

Throws: MidiException

If something goes wrong.

 public native void nativeSetDebug(int d)

Set the debug flag for the Midi system

 public native long nativeNow()

Return value of current time in clicks (not milliseconds).

Returns:

s Current time in clicks.

 public native int nativeMidiInGetNumDevs() throws MidiException

Query the system regarding the number of MIDI input devices

Returns:

s The number of MIDI input devices.

Throws: MidiException

If something goes wrong.

 public native int nativeMidiOutGetNumDevs() throws MidiException

Query the system regarding the number of MIDI output devices

Returns:

s The number of MIDI output devices.

Throws: MidiException

If something goes wrong.

 public native void nativeOpenURL(String browser,
                                  String url) throws MidiException

open a URL in a browser

Throws: MidiException

If something goes wrong.

 public static void main(String args[])

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