Package javax.sound.sampled

Examples of javax.sound.sampled.LineEvent

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        // process an LineEvent

        if (eventInfo.getEvent() instanceof LineEvent) {

            LineEvent event = (LineEvent)eventInfo.getEvent();
            Vector currentListeners = eventInfo.getListeners();
            if (Printer.debug) Printer.debug("Sending "+event+" to "+currentListeners.size()+" listeners");
            for (int i = 0; i < currentListeners.size(); i++) {
                ((LineListener)currentListeners.elementAt(i)).update(event);
            }

            return;
        }

        // process a MetaMessage

        if (eventInfo.getEvent() instanceof MetaMessage) {

            MetaMessage event = (MetaMessage)eventInfo.getEvent();
            Vector currentListeners = eventInfo.getListeners();

            for (int i = 0; i < currentListeners.size(); i++) {
                ((MetaEventListener)currentListeners.elementAt(i)).meta(event);
            }

            return;
        }

        // process a Controller or Mode Event

        if (eventInfo.getEvent() instanceof ShortMessage) {

            ShortMessage event = (ShortMessage)eventInfo.getEvent();
            int status = event.getStatus();

            // Controller and Mode events have status byte 0xBc, where
            // c is the channel they are sent on.

            if( (status>>4)==11 ) {
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    protected void processEvent(EventInfo eventInfo) {
        int count = eventInfo.getListenerCount();

        // process an LineEvent
        if (eventInfo.getEvent() instanceof LineEvent) {
            LineEvent event = (LineEvent) eventInfo.getEvent();
            if (Printer.debug) Printer.debug("Sending "+event+" to "+count+" listeners");
            for (int i = 0; i < count; i++) {
                try {
                    ((LineListener) eventInfo.getListener(i)).update(event);
                } catch (Throwable t) {
                    if (Printer.err) t.printStackTrace();
                }
            }
            return;
        }

        // process a MetaMessage
        if (eventInfo.getEvent() instanceof MetaMessage) {
            MetaMessage event = (MetaMessage)eventInfo.getEvent();
            for (int i = 0; i < count; i++) {
                try {
                    ((MetaEventListener) eventInfo.getListener(i)).meta(event);
                } catch (Throwable t) {
                    if (Printer.err) t.printStackTrace();
                }
            }
            return;
        }

        // process a Controller or Mode Event
        if (eventInfo.getEvent() instanceof ShortMessage) {
            ShortMessage event = (ShortMessage)eventInfo.getEvent();
            int status = event.getStatus();

            // Controller and Mode events have status byte 0xBc, where
            // c is the channel they are sent on.
            if ((status & 0xF0) == 0xB0) {
                for (int i = 0; i < count; i++) {
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        //if (Printer.debug) Printer.debug("                                  sendEvents: " + sendEvents);

        if (sendEvents) {

            if (started) {
                sendEvents(new LineEvent(this, LineEvent.Type.START, position));
            } else {
                sendEvents(new LineEvent(this, LineEvent.Type.STOP, position));
            }
        }
        if (Printer.trace) Printer.trace("< AbstractDataLine: setStarted completed");
    }
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    public void close() {
        if (!isOpen())
            return;

        sendEvent(new LineEvent(this, LineEvent.Type.CLOSE,
                AudioSystem.NOT_SPECIFIED));

        SoftAudioPusher pusher_to_be_closed = null;
        AudioInputStream pusher_stream_to_be_closed = null;
        synchronized (control_mutex) {
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            if (targetFormat != null)
                format = targetFormat;

            mainmixer = new SoftMixingMainMixer(this);

            sendEvent(new LineEvent(this, LineEvent.Type.OPEN,
                    AudioSystem.NOT_SPECIFIED));

            return mainmixer.getInputStream();

        }
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        return (long) (getFrameLength() * (1000000.0 / (double) getFormat()
                .getSampleRate()));
    }

    public void loop(int count) {
        LineEvent event = null;

        synchronized (control_mutex) {
            if (isOpen()) {
                if (active)
                    return;
                active = true;
                active_sg = true;
                loopcount = count;
                event = new LineEvent(this, LineEvent.Type.START,
                        getLongFramePosition());
            }
        }

        if (event != null)
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        }
    }

    public void start() {

        LineEvent event = null;

        synchronized (control_mutex) {
            if (isOpen()) {
                if (active)
                    return;
                active = true;
                active_sg = true;
                loopcount = 0;
                event = new LineEvent(this, LineEvent.Type.START,
                        getLongFramePosition());
            }
        }

        if (event != null)
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        if (event != null)
            sendEvent(event);
    }

    public void stop() {
        LineEvent event = null;

        synchronized (control_mutex) {
            if (isOpen()) {
                if (!active)
                    return;
                active = false;
                active_sg = true;
                event = new LineEvent(this, LineEvent.Type.STOP,
                        getLongFramePosition());
            }
        }

        if (event != null)
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        if (event != null)
            sendEvent(event);
    }

    public void close() {
        LineEvent event = null;

        synchronized (control_mutex) {
            if (!isOpen())
                return;
            stop();

            event = new LineEvent(this, LineEvent.Type.CLOSE,
                    getLongFramePosition());

            open = false;
            mixer.getMainMixer().closeLine(this);
        }
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    }

    public void open(AudioFormat format, int bufferSize)
            throws LineUnavailableException {

        LineEvent event = null;

        if (bufferSize < format.getFrameSize() * 32)
            bufferSize = format.getFrameSize() * 32;

        synchronized (control_mutex) {

            if (!isOpen()) {
                if (!mixer.isOpen()) {
                    mixer.open();
                    mixer.implicitOpen = true;
                }

                event = new LineEvent(this, LineEvent.Type.OPEN, 0);

                this.bufferSize = bufferSize - bufferSize
                        % format.getFrameSize();
                this.format = format;
                this.framesize = format.getFrameSize();
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Related Classes of javax.sound.sampled.LineEvent

  • com.groovemanager.spi.asio.ASIODataLine
  • com.groovemanager.spi.asio.ASIOMixer
  • com.sun.media.sound.AbstractDataLine
  • com.sun.media.sound.AbstractLine
  • com.sun.media.sound.EventDispatcher
  • com.sun.media.sound.SoftMixingClip
  • com.sun.media.sound.SoftMixingMixer
  • com.sun.media.sound.SoftMixingSourceDataLine
  • org.apache.harmony.sound.tests.javax.sound.sampled.LineEventTest
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