javax.sound.midi.MidiChannel Java Examples

public MidiChannel[] getChannels() {

        synchronized (control_mutex) {
            // if (external_channels == null) => the synthesizer is not open,
            // create 16 proxy channels
            // otherwise external_channels has the same length as channels array
            if (external_channels == null) {
                external_channels = new SoftChannelProxy[16];
                for (int i = 0; i < external_channels.length; i++)
                    external_channels[i] = new SoftChannelProxy();
            }
            MidiChannel[] ret;
            if (isOpen())
                ret = new MidiChannel[channels.length];
            else
                ret = new MidiChannel[16];
            for (int i = 0; i < ret.length; i++)
                ret[i] = external_channels[i];
            return ret;
        }
    }
 

@Override
public MidiChannel[] getChannels() {

    synchronized (control_mutex) {
        // if (external_channels == null) => the synthesizer is not open,
        // create 16 proxy channels
        // otherwise external_channels has the same length as channels array
        if (external_channels == null) {
            external_channels = new SoftChannelProxy[16];
            for (int i = 0; i < external_channels.length; i++)
                external_channels[i] = new SoftChannelProxy();
        }
        MidiChannel[] ret;
        if (isOpen())
            ret = new MidiChannel[channels.length];
        else
            ret = new MidiChannel[16];
        for (int i = 0; i < ret.length; i++)
            ret[i] = external_channels[i];
        return ret;
    }
}
 

public MidiChannel[] getChannels() {

        synchronized (control_mutex) {
            // if (external_channels == null) => the synthesizer is not open,
            // create 16 proxy channels
            // otherwise external_channels has the same length as channels array
            if (external_channels == null) {
                external_channels = new SoftChannelProxy[16];
                for (int i = 0; i < external_channels.length; i++)
                    external_channels[i] = new SoftChannelProxy();
            }
            MidiChannel[] ret;
            if (isOpen())
                ret = new MidiChannel[channels.length];
            else
                ret = new MidiChannel[16];
            for (int i = 0; i < ret.length; i++)
                ret[i] = external_channels[i];
            return ret;
        }
    }
 

public MidiChannel[] getChannels() {

        synchronized (control_mutex) {
            // if (external_channels == null) => the synthesizer is not open,
            // create 16 proxy channels
            // otherwise external_channels has the same length as channels array
            if (external_channels == null) {
                external_channels = new SoftChannelProxy[16];
                for (int i = 0; i < external_channels.length; i++)
                    external_channels[i] = new SoftChannelProxy();
            }
            MidiChannel[] ret;
            if (isOpen())
                ret = new MidiChannel[channels.length];
            else
                ret = new MidiChannel[16];
            for (int i = 0; i < ret.length; i++)
                ret[i] = external_channels[i];
            return ret;
        }
    }
 

public MidiChannel[] getChannels() {

        synchronized (control_mutex) {
            // if (external_channels == null) => the synthesizer is not open,
            // create 16 proxy channels
            // otherwise external_channels has the same length as channels array
            if (external_channels == null) {
                external_channels = new SoftChannelProxy[16];
                for (int i = 0; i < external_channels.length; i++)
                    external_channels[i] = new SoftChannelProxy();
            }
            MidiChannel[] ret;
            if (isOpen())
                ret = new MidiChannel[channels.length];
            else
                ret = new MidiChannel[16];
            for (int i = 0; i < ret.length; i++)
                ret[i] = external_channels[i];
            return ret;
        }
    }
 

public MidiChannel[] getChannels() {

        synchronized (control_mutex) {
            // if (external_channels == null) => the synthesizer is not open,
            // create 16 proxy channels
            // otherwise external_channels has the same length as channels array
            if (external_channels == null) {
                external_channels = new SoftChannelProxy[16];
                for (int i = 0; i < external_channels.length; i++)
                    external_channels[i] = new SoftChannelProxy();
            }
            MidiChannel[] ret;
            if (isOpen())
                ret = new MidiChannel[channels.length];
            else
                ret = new MidiChannel[16];
            for (int i = 0; i < ret.length; i++)
                ret[i] = external_channels[i];
            return ret;
        }
    }
 

public void noteOn(MidiChannel channel, VoiceStatus voice, int noteNumber,
        int velocity) {
    this.channel = channel;
    this.voice = voice;
    this.noteNumber = noteNumber;
    this.velocity = velocity;
    on = true;
}
 

public static void main(String[] args) throws Exception
{
    AudioSynthesizer synth = new SoftSynthesizer();
    AudioFormat format = new AudioFormat(44100, 16, 2, true, false);
    AudioInputStream stream = synth.openStream(format, null);

    // Make all voices busy, e.g.
    // send midi on and midi off on all available voices
    MidiChannel ch1 = synth.getChannels()[0];
    ch1.programChange(48); // Use contionus instrument like string ensemble
    for (int i = 0; i < synth.getMaxPolyphony(); i++) {
        ch1.noteOn(64, 64);
        ch1.noteOff(64);
    }

    // Now send single midi on, and midi off message
    ch1.noteOn(64, 64);
    ch1.noteOff(64);

    // Read 10 sec from stream, by this time all voices should be inactvie
    stream.skip(format.getFrameSize() * ((int)(format.getFrameRate() * 20)));

    // If no voice are active, then this test will pass
    VoiceStatus[] v = synth.getVoiceStatus();
    for (int i = 0; i < v.length; i++) {
        if(v[i].active)
        {
            throw new RuntimeException("Not all voices are inactive!");
        }
    }

    // Close the synthesizer after use
    synth.close();
}
 

public static Soundbank createTestSoundbankWithChannelMixer() {
    SF2Soundbank soundbank = createTestSoundbank();

    SimpleSoundbank simplesoundbank = new SimpleSoundbank();
    SimpleInstrument simpleinstrument = new SimpleInstrument() {

        public ModelChannelMixer getChannelMixer(MidiChannel channel,
                AudioFormat format) {
            return new ModelAbstractChannelMixer() {
                boolean active = true;

                public boolean process(float[][] buffer, int offset, int len) {
                    for (int i = 0; i < buffer.length; i++) {
                        float[] cbuffer = buffer[i];
                        for (int j = 0; j < cbuffer.length; j++) {
                            cbuffer[j] = -cbuffer[j];
                        }
                    }
                    return active;
                }

                public void stop() {
                    active = false;
                }
            };
        }

    };
    simpleinstrument.add(soundbank.getInstruments()[0]);
    simplesoundbank.addInstrument(simpleinstrument);

    return simplesoundbank;
}
 

public void sendProgramChange(int channel, int value){
	MidiChannel midiChannel = this.synthManager.getChannel(channel);
	if( midiChannel != null ){
		this.synthManager.loadInstrument(this.synthManager.toPatch(this.synthManager.findCurrentBank(channel), value));
		
		midiChannel.programChange(value);
		
		this.synthManager.unloadOrphanInstruments();
	}
}
 

public static Soundbank createTestSoundbankWithChannelMixer() {
    SF2Soundbank soundbank = createTestSoundbank();

    SimpleSoundbank simplesoundbank = new SimpleSoundbank();
    SimpleInstrument simpleinstrument = new SimpleInstrument() {

        public ModelChannelMixer getChannelMixer(MidiChannel channel,
                AudioFormat format) {
            return new ModelAbstractChannelMixer() {
                boolean active = true;

                public boolean process(float[][] buffer, int offset, int len) {
                    for (int i = 0; i < buffer.length; i++) {
                        float[] cbuffer = buffer[i];
                        for (int j = 0; j < cbuffer.length; j++) {
                            cbuffer[j] = -cbuffer[j];
                        }
                    }
                    return active;
                }

                public void stop() {
                    active = false;
                }
            };
        }

    };
    simpleinstrument.add(soundbank.getInstruments()[0]);
    simplesoundbank.addInstrument(simpleinstrument);

    return simplesoundbank;
}
 

public static void main(String[] args) throws Exception
{
    AudioSynthesizer synth = new SoftSynthesizer();
    AudioFormat format = new AudioFormat(44100, 16, 2, true, false);
    AudioInputStream stream = synth.openStream(format, null);

    // Make all voices busy, e.g.
    // send midi on and midi off on all available voices
    MidiChannel ch1 = synth.getChannels()[0];
    ch1.programChange(48); // Use contionus instrument like string ensemble
    for (int i = 0; i < synth.getMaxPolyphony(); i++) {
        ch1.noteOn(64, 64);
        ch1.noteOff(64);
    }

    // Now send single midi on, and midi off message
    ch1.noteOn(64, 64);
    ch1.noteOff(64);

    // Read 10 sec from stream, by this time all voices should be inactvie
    stream.skip(format.getFrameSize() * ((int)(format.getFrameRate() * 20)));

    // If no voice are active, then this test will pass
    VoiceStatus[] v = synth.getVoiceStatus();
    for (int i = 0; i < v.length; i++) {
        if(v[i].active)
        {
            throw new RuntimeException("Not all voices are inactive!");
        }
    }

    // Close the synthesizer after use
    synth.close();
}
 

public void noteOn(MidiChannel channel, VoiceStatus voice, int noteNumber,
        int velocity) {
    this.channel = channel;
    this.voice = voice;
    this.noteNumber = noteNumber;
    this.velocity = velocity;
    on = true;
}
 

public static Soundbank createTestSoundbankWithChannelMixer() {
    SF2Soundbank soundbank = createTestSoundbank();

    SimpleSoundbank simplesoundbank = new SimpleSoundbank();
    SimpleInstrument simpleinstrument = new SimpleInstrument() {

        public ModelChannelMixer getChannelMixer(MidiChannel channel,
                AudioFormat format) {
            return new ModelAbstractChannelMixer() {
                boolean active = true;

                public boolean process(float[][] buffer, int offset, int len) {
                    for (int i = 0; i < buffer.length; i++) {
                        float[] cbuffer = buffer[i];
                        for (int j = 0; j < cbuffer.length; j++) {
                            cbuffer[j] = -cbuffer[j];
                        }
                    }
                    return active;
                }

                public void stop() {
                    active = false;
                }
            };
        }

    };
    simpleinstrument.add(soundbank.getInstruments()[0]);
    simplesoundbank.addInstrument(simpleinstrument);

    return simplesoundbank;
}
 

public static void main(String[] args) throws Exception
{
    AudioSynthesizer synth = new SoftSynthesizer();
    AudioFormat format = new AudioFormat(44100, 16, 2, true, false);
    AudioInputStream stream = synth.openStream(format, null);

    // Make all voices busy, e.g.
    // send midi on and midi off on all available voices
    MidiChannel ch1 = synth.getChannels()[0];
    ch1.programChange(48); // Use contionus instrument like string ensemble
    for (int i = 0; i < synth.getMaxPolyphony(); i++) {
        ch1.noteOn(64, 64);
        ch1.noteOff(64);
    }

    // Now send single midi on, and midi off message
    ch1.noteOn(64, 64);
    ch1.noteOff(64);

    // Read 10 sec from stream, by this time all voices should be inactvie
    stream.skip(format.getFrameSize() * ((int)(format.getFrameRate() * 20)));

    // If no voice are active, then this test will pass
    VoiceStatus[] v = synth.getVoiceStatus();
    for (int i = 0; i < v.length; i++) {
        if(v[i].active)
        {
            throw new RuntimeException("Not all voices are inactive!");
        }
    }

    // Close the synthesizer after use
    synth.close();
}
 

public static Soundbank createTestSoundbankWithChannelMixer() {
    SF2Soundbank soundbank = createTestSoundbank();

    SimpleSoundbank simplesoundbank = new SimpleSoundbank();
    SimpleInstrument simpleinstrument = new SimpleInstrument() {

        public ModelChannelMixer getChannelMixer(MidiChannel channel,
                AudioFormat format) {
            return new ModelAbstractChannelMixer() {
                boolean active = true;

                public boolean process(float[][] buffer, int offset, int len) {
                    for (int i = 0; i < buffer.length; i++) {
                        float[] cbuffer = buffer[i];
                        for (int j = 0; j < cbuffer.length; j++) {
                            cbuffer[j] = -cbuffer[j];
                        }
                    }
                    return active;
                }

                public void stop() {
                    active = false;
                }
            };
        }

    };
    simpleinstrument.add(soundbank.getInstruments()[0]);
    simplesoundbank.addInstrument(simpleinstrument);

    return simplesoundbank;
}
 

public static void main(String[] args) throws Exception {
    AudioSynthesizer synth = new SoftSynthesizer();
    synth.openStream(null, null);
    assertTrue(synth.getChannels() != null);
    assertTrue(synth.getChannels().length == 16);
    MidiChannel[] channels = synth.getChannels();
    for (int i = 0; i < channels.length; i++) {
        assertTrue(channels[i] != null);
    }
    synth.close();

}
 

public void noteOn(MidiChannel channel, VoiceStatus voice, int noteNumber,
        int velocity) {
    this.channel = channel;
    this.voice = voice;
    this.noteNumber = noteNumber;
    this.velocity = velocity;
    on = true;
}
 

public static void main(String[] args) throws Exception
{
    AudioSynthesizer synth = new SoftSynthesizer();
    AudioFormat format = new AudioFormat(44100, 16, 2, true, false);
    AudioInputStream stream = synth.openStream(format, null);

    // Make all voices busy, e.g.
    // send midi on and midi off on all available voices
    MidiChannel ch1 = synth.getChannels()[0];
    ch1.programChange(48); // Use contionus instrument like string ensemble
    for (int i = 0; i < synth.getMaxPolyphony(); i++) {
        ch1.noteOn(64, 64);
        ch1.noteOff(64);
    }

    // Now send single midi on, and midi off message
    ch1.noteOn(64, 64);
    ch1.noteOff(64);

    // Read 10 sec from stream, by this time all voices should be inactvie
    stream.skip(format.getFrameSize() * ((int)(format.getFrameRate() * 20)));

    // If no voice are active, then this test will pass
    VoiceStatus[] v = synth.getVoiceStatus();
    for (int i = 0; i < v.length; i++) {
        if(v[i].active)
        {
            throw new RuntimeException("Not all voices are inactive!");
        }
    }

    // Close the synthesizer after use
    synth.close();
}
 

public void noteOn(MidiChannel channel, VoiceStatus voice, int noteNumber,
        int velocity) {
    this.channel = channel;
    this.voice = voice;
    this.noteNumber = noteNumber;
    this.velocity = velocity;
    on = true;
}
 

public void noteOn(MidiChannel channel, VoiceStatus voice, int noteNumber,
        int velocity) {
    this.channel = channel;
    this.voice = voice;
    this.noteNumber = noteNumber;
    this.velocity = velocity;
    on = true;
}
 

public static Soundbank createTestSoundbankWithChannelMixer() {
    SF2Soundbank soundbank = createTestSoundbank();

    SimpleSoundbank simplesoundbank = new SimpleSoundbank();
    SimpleInstrument simpleinstrument = new SimpleInstrument() {

        public ModelChannelMixer getChannelMixer(MidiChannel channel,
                AudioFormat format) {
            return new ModelAbstractChannelMixer() {
                boolean active = true;

                public boolean process(float[][] buffer, int offset, int len) {
                    for (int i = 0; i < buffer.length; i++) {
                        float[] cbuffer = buffer[i];
                        for (int j = 0; j < cbuffer.length; j++) {
                            cbuffer[j] = -cbuffer[j];
                        }
                    }
                    return active;
                }

                public void stop() {
                    active = false;
                }
            };
        }

    };
    simpleinstrument.add(soundbank.getInstruments()[0]);
    simplesoundbank.addInstrument(simpleinstrument);

    return simplesoundbank;
}
 

public void noteOn(MidiChannel channel, VoiceStatus voice, int noteNumber,
int velocity);
 

@Override
public void noteOn(MidiChannel channel, VoiceStatus voice,
                   int noteNumber, int velocity) {
}
 

public ModelDirector getDirector(ModelPerformer[] performers,
        MidiChannel channel, ModelDirectedPlayer player) {
    return new ModelStandardIndexedDirector(performers, player);
}
 

public ModelDirector getDirector(ModelPerformer[] performers,
        MidiChannel channel, ModelDirectedPlayer player) {
    return ins.getDirector(performers, channel, player);
}
 

public ModelDirector getDirector(MidiChannel channel,
        ModelDirectedPlayer player) {
    return ins.getDirector(modelperformers, channel, player);
}
 

public MidiChannel getChannel() {
    return channel;
}
 

@Override
public void noteOn(MidiChannel channel, VoiceStatus voice,
                   int noteNumber, int velocity) {
}
 

public ModelDirector getDirector(ModelPerformer[] performers,
        MidiChannel channel, ModelDirectedPlayer player) {
    return new ModelStandardIndexedDirector(performers, player);
}