Examples with Receiver javax.sound.midi.Receiver used on opensource projects

Example 11 with Receiver

use of javax.sound.midi.Receiver in project jdk8u_jdk by JetBrains.

the class SoftSynthesizer method openStream.

public AudioInputStream openStream(AudioFormat targetFormat, Map<String, Object> info) throws MidiUnavailableException {
    if (isOpen())
        throw new MidiUnavailableException("Synthesizer is already open");
    synchronized (control_mutex) {
        gmmode = 0;
        voice_allocation_mode = 0;
        processPropertyInfo(info);
        open = true;
        implicitOpen = false;
        if (targetFormat != null)
            setFormat(targetFormat);
        if (load_default_soundbank) {
            Soundbank defbank = getDefaultSoundbank();
            if (defbank != null) {
                loadAllInstruments(defbank);
            }
        }
        voices = new SoftVoice[maxpoly];
        for (int i = 0; i < maxpoly; i++) voices[i] = new SoftVoice(this);
        mainmixer = new SoftMainMixer(this);
        channels = new SoftChannel[number_of_midi_channels];
        for (int i = 0; i < channels.length; i++) channels[i] = new SoftChannel(this, i);
        if (external_channels == null) {
            // when the synhtesizer is closed.
            if (channels.length < 16)
                external_channels = new SoftChannelProxy[16];
            else
                external_channels = new SoftChannelProxy[channels.length];
            for (int i = 0; i < external_channels.length; i++) external_channels[i] = new SoftChannelProxy();
        } else {
            // into the new one
            if (channels.length > external_channels.length) {
                SoftChannelProxy[] new_external_channels = new SoftChannelProxy[channels.length];
                for (int i = 0; i < external_channels.length; i++) new_external_channels[i] = external_channels[i];
                for (int i = external_channels.length; i < new_external_channels.length; i++) {
                    new_external_channels[i] = new SoftChannelProxy();
                }
            }
        }
        for (int i = 0; i < channels.length; i++) external_channels[i].setChannel(channels[i]);
        for (SoftVoice voice : getVoices()) voice.resampler = resampler.openStreamer();
        for (Receiver recv : getReceivers()) {
            SoftReceiver srecv = ((SoftReceiver) recv);
            srecv.open = open;
            srecv.mainmixer = mainmixer;
            srecv.midimessages = mainmixer.midimessages;
        }
        return mainmixer.getInputStream();
    }
}