Examples with SourceDataLine javax.sound.sampled.SourceDataLine used on opensource projects

Example 1 with SourceDataLine

use of javax.sound.sampled.SourceDataLine in project jdk8u_jdk by JetBrains.

the class DataLine_ArrayIndexOutOfBounds method testSDL.

static void testSDL(Mixer mixer, Scenario scenario) {
    log("  Testing SDL (scenario: " + scenario + ")...");
    Line.Info linfo = new Line.Info(SourceDataLine.class);
    SourceDataLine line = null;
    try {
        line = (SourceDataLine) mixer.getLine(linfo);
        log("    got line: " + line);
        log("    open...");
        line.open();
    } catch (IllegalArgumentException ex) {
        log("    unsupported (IllegalArgumentException)");
        return;
    } catch (LineUnavailableException ex) {
        log("    unavailable: " + ex);
        return;
    }
    total++;
    log("    start...");
    line.start();
    AsyncLineStopper lineStopper = new AsyncLineStopper(line, STOPPER_DELAY);
    int offset = scenario.getBufferOffset(line);
    int len = scenario.getBufferLength(line);
    // ensure len represents integral number of frames
    len -= len % line.getFormat().getFrameSize();
    log("    write...");
    lineStopper.schedule();
    try {
        line.write(buffer, offset, len);
        log("    ERROR: didn't get ArrayIndexOutOfBoundsException");
        failed++;
    } catch (ArrayIndexOutOfBoundsException ex) {
        log("    OK: got ArrayIndexOutOfBoundsException: " + ex);
    }
    lineStopper.force();
}

Example 2 with SourceDataLine

use of javax.sound.sampled.SourceDataLine in project jdk8u_jdk by JetBrains.

the class SoftAudioPusher method run.

public void run() {
    byte[] buffer = SoftAudioPusher.this.buffer;
    AudioInputStream ais = SoftAudioPusher.this.ais;
    SourceDataLine sourceDataLine = SoftAudioPusher.this.sourceDataLine;
    try {
        while (active) {
            // Read from audio source
            int count = ais.read(buffer);
            if (count < 0)
                break;
            // Write byte buffer to source output
            sourceDataLine.write(buffer, 0, count);
        }
    } catch (IOException e) {
        active = false;
    //e.printStackTrace();
    }
}

Example 3 with SourceDataLine

use of javax.sound.sampled.SourceDataLine in project JMRI by JMRI.

the class Sound method playSoundBuffer.

/**
     * Play a sound from a buffer
     *
     * @param wavData data to play
     */
public static void playSoundBuffer(byte[] wavData) {
    // get characteristics from buffer
    float sampleRate = 11200.0f;
    int sampleSizeInBits = 8;
    int channels = 1;
    boolean signed = (sampleSizeInBits > 8);
    boolean bigEndian = true;
    AudioFormat format = new AudioFormat(sampleRate, sampleSizeInBits, channels, signed, bigEndian);
    SourceDataLine line;
    // format is an AudioFormat object
    DataLine.Info info = new DataLine.Info(SourceDataLine.class, format);
    if (!AudioSystem.isLineSupported(info)) {
        // Handle the error.
        log.warn("line not supported: " + info);
        return;
    }
    // Obtain and open the line.
    try {
        line = (SourceDataLine) AudioSystem.getLine(info);
        line.open(format);
    } catch (LineUnavailableException ex) {
        // Handle the error.
        log.error("error opening line: " + ex);
        return;
    }
    line.start();
    // write(byte[] b, int off, int len) 
    line.write(wavData, 0, wavData.length);
}

Example 4 with SourceDataLine

use of javax.sound.sampled.SourceDataLine in project Minim by ddf.

the class JSBufferedSampleRecorder method save.

/**
   * Saves the audio in the internal buffer to a file using the current settings for 
   * file type and file name.
   */
public AudioRecordingStream save() {
    if (isRecording()) {
        system.error("You must stop recording before you can write to a file.");
    } else {
        int channels = format.getChannels();
        int length = left.capacity();
        int totalSamples = (buffers.size() / channels) * length;
        FloatSampleBuffer fsb = new FloatSampleBuffer(channels, totalSamples, format.getSampleRate());
        if (channels == 1) {
            for (int i = 0; i < buffers.size(); i++) {
                int offset = i * length;
                FloatBuffer fb = (FloatBuffer) buffers.get(i);
                fb.rewind();
                // copy all the floats in fb to the first channel
                // of fsb, starting at the index offset, and copy
                // the whole FloatBuffer over.
                fb.get(fsb.getChannel(0), offset, length);
            }
        } else {
            for (int i = 0; i < buffers.size(); i += 2) {
                int offset = (i / 2) * length;
                FloatBuffer fbL = (FloatBuffer) buffers.get(i);
                FloatBuffer fbR = (FloatBuffer) buffers.get(i + 1);
                fbL.rewind();
                fbL.get(fsb.getChannel(0), offset, length);
                fbR.rewind();
                fbR.get(fsb.getChannel(1), offset, length);
            }
        }
        int sampleFrames = fsb.getByteArrayBufferSize(format) / format.getFrameSize();
        ByteArrayInputStream bais = new ByteArrayInputStream(fsb.convertToByteArray(format));
        AudioInputStream ais = new AudioInputStream(bais, format, sampleFrames);
        if (AudioSystem.isFileTypeSupported(type, ais)) {
            File out = new File(name);
            try {
                AudioSystem.write(ais, type, out);
            } catch (IOException e) {
                system.error("AudioRecorder.save: Error attempting to save buffer to " + name + "\n" + e.getMessage());
            }
            if (out.length() == 0) {
                system.error("AudioRecorder.save: Error attempting to save buffer to " + name + ", the output file is empty.");
            }
        } else {
            system.error("AudioRecorder.save: Can't write " + type.toString() + " using format " + format.toString() + ".");
        }
    }
    String filePath = filePath();
    AudioInputStream ais = system.getAudioInputStream(filePath);
    SourceDataLine sdl = system.getSourceDataLine(ais.getFormat(), 1024);
    // this is fine because the recording will always be 
    // in a raw format (WAV, AU, etc).
    long length = AudioUtils.frames2Millis(ais.getFrameLength(), format);
    BasicMetaData meta = new BasicMetaData(filePath, length, ais.getFrameLength());
    JSPCMAudioRecordingStream recording = new JSPCMAudioRecordingStream(system, meta, ais, sdl, 1024);
    return recording;
}

Example 5 with SourceDataLine

use of javax.sound.sampled.SourceDataLine in project Minim by ddf.

the class JSMinim method getAudioOutput.

public AudioOut getAudioOutput(int type, int bufferSize, float sampleRate, int bitDepth) {
    if (bitDepth != 8 && bitDepth != 16) {
        throw new IllegalArgumentException("Unsupported bit depth, use either 8 or 16.");
    }
    AudioFormat format = new AudioFormat(sampleRate, bitDepth, type, true, false);
    SourceDataLine sdl = getSourceDataLine(format, bufferSize);
    if (sdl != null) {
        return new JSAudioOutput(sdl, bufferSize);
    }
    return null;
}