Java Code Examples for java.nio.ShortBuffer#capacity()

The following examples show how to use java.nio.ShortBuffer#capacity() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: AudioChannel.java    From GPUVideo-android with MIT License 6 votes vote down vote up 
private long drainOverflow(final ShortBuffer outBuff) {
    final ShortBuffer overflowBuff = overflowBuffer.data;
    final int overflowLimit = overflowBuff.limit();
    final int overflowSize = overflowBuff.remaining();

    final long beginPresentationTimeUs = overflowBuffer.presentationTimeUs +
            sampleCountToDurationUs(overflowBuff.position(), inputSampleRate, outputChannelCount);

    outBuff.clear();
    // Limit overflowBuff to outBuff's capacity
    overflowBuff.limit(outBuff.capacity());
    // Load overflowBuff onto outBuff
    outBuff.put(overflowBuff);

    if (overflowSize >= outBuff.capacity()) {
        // Overflow fully consumed - Reset
        overflowBuff.clear().limit(0);
    } else {
        // Only partially consumed - Keep position & restore previous limit
        overflowBuff.limit(overflowLimit);
    }

    return beginPresentationTimeUs;
}
Example 2
Source File: AudioChannel.java    From Mp4Composer-android with MIT License 6 votes vote down vote up 
private long drainOverflow(final ShortBuffer outBuff) {
    final ShortBuffer overflowBuff = overflowBuffer.data;
    final int overflowLimit = overflowBuff.limit();
    final int overflowSize = overflowBuff.remaining();

    final long beginPresentationTimeUs = overflowBuffer.presentationTimeUs +
            sampleCountToDurationUs(overflowBuff.position(), inputSampleRate, outputChannelCount);

    outBuff.clear();
    // Limit overflowBuff to outBuff's capacity
    overflowBuff.limit(outBuff.capacity());
    // Load overflowBuff onto outBuff
    outBuff.put(overflowBuff);

    if (overflowSize >= outBuff.capacity()) {
        // Overflow fully consumed - Reset
        overflowBuff.clear().limit(0);
    } else {
        // Only partially consumed - Keep position & restore previous limit
        overflowBuff.limit(overflowLimit);
    }

    return beginPresentationTimeUs;
}
Example 3
Source File: AudioChannel.java    From EZFilter with MIT License 6 votes vote down vote up 
private long drainOverflow(final ShortBuffer outBuff) {
    final ShortBuffer overflowBuff = mOverflowBuffer.data;
    final int overflowLimit = overflowBuff.limit();
    final int overflowSize = overflowBuff.remaining();

    final long beginPresentationTimeUs = mOverflowBuffer.presentationTimeUs + sampleCountToDurationUs(overflowBuff.position(), mInputSampleRate,
            mOutputChannelCount);

    outBuff.clear();
    // Limit overflowBuff to outBuff's capacity
    overflowBuff.limit(outBuff.capacity());
    // Load overflowBuff onto outBuff
    outBuff.put(overflowBuff);

    if (overflowSize >= outBuff.capacity()) {
        // Overflow fully consumed - Reset
        overflowBuff.clear().limit(0);
    } else {
        // Only partially consumed - Keep position & restore previous limit
        overflowBuff.limit(overflowLimit);
    }

    return beginPresentationTimeUs;
}
Example 4
Source File: AudioChannel.java    From phoenix with Apache License 2.0 6 votes vote down vote up 
private long drainOverflow(final ShortBuffer outBuff) {
    final ShortBuffer overflowBuff = mOverflowBuffer.data;
    final int overflowLimit = overflowBuff.limit();
    final int overflowSize = overflowBuff.remaining();

    final long beginPresentationTimeUs = mOverflowBuffer.presentationTimeUs +
            sampleCountToDurationUs(overflowBuff.position(), mInputSampleRate, mOutputChannelCount);

    outBuff.clear();
    // Limit overflowBuff to outBuff's capacity
    overflowBuff.limit(outBuff.capacity());
    // Load overflowBuff onto outBuff
    outBuff.put(overflowBuff);

    if (overflowSize >= outBuff.capacity()) {
        // Overflow fully consumed - Reset
        overflowBuff.clear().limit(0);
    } else {
        // Only partially consumed - Keep position & restore previous limit
        overflowBuff.limit(overflowLimit);
    }

    return beginPresentationTimeUs;
}
Example 5
Source File: AudioChannel.java    From phoenix with Apache License 2.0 6 votes vote down vote up 
private long drainOverflow(final ShortBuffer outBuff) {
    final ShortBuffer overflowBuff = mOverflowBuffer.data;
    final int overflowLimit = overflowBuff.limit();
    final int overflowSize = overflowBuff.remaining();

    final long beginPresentationTimeUs = mOverflowBuffer.presentationTimeUs +
            sampleCountToDurationUs(overflowBuff.position(), mInputSampleRate, mOutputChannelCount);

    outBuff.clear();
    // Limit overflowBuff to outBuff's capacity
    overflowBuff.limit(outBuff.capacity());
    // Load overflowBuff onto outBuff
    outBuff.put(overflowBuff);

    if (overflowSize >= outBuff.capacity()) {
        // Overflow fully consumed - Reset
        overflowBuff.clear().limit(0);
    } else {
        // Only partially consumed - Keep position & restore previous limit
        overflowBuff.limit(overflowLimit);
    }

    return beginPresentationTimeUs;
}
Example 6
Source File: AudioChannel.java    From Pix-Art-Messenger with GNU General Public License v3.0 6 votes vote down vote up 
private long drainOverflow(final ShortBuffer outBuff) {
    final ShortBuffer overflowBuff = mOverflowBuffer.data;
    final int overflowLimit = overflowBuff.limit();
    final int overflowSize = overflowBuff.remaining();

    final long beginPresentationTimeUs = mOverflowBuffer.presentationTimeUs +
            sampleCountToDurationUs(overflowBuff.position(), mInputSampleRate, mOutputChannelCount);

    outBuff.clear();
    // Limit overflowBuff to outBuff's capacity
    overflowBuff.limit(outBuff.capacity());
    // Load overflowBuff onto outBuff
    outBuff.put(overflowBuff);

    if (overflowSize >= outBuff.capacity()) {
        // Overflow fully consumed - Reset
        overflowBuff.clear().limit(0);
    } else {
        // Only partially consumed - Keep position & restore previous limit
        overflowBuff.limit(overflowLimit);
    }

    return beginPresentationTimeUs;
}
Example 7
Source File: LWJGL15DrawContext.java    From settlers-remake with MIT License 6 votes vote down vote up 
@Override
public TextureHandle generateTexture(int width, int height, ShortBuffer data, String name) {
	int texture = GL11.glGenTextures();
	if (texture == 0) {
		return null;
	}

	//fix strange alpha test problem (minimap and landscape are unaffected)
	ShortBuffer bfr = BufferUtils.createShortBuffer(data.capacity());
	int cap = data.capacity();
	for(int i = 0;i != cap;i++)	bfr.put(i, data.get(i));

	TextureHandle textureHandle = new TextureHandle(this, texture);
	bindTexture(textureHandle);
	GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, width, height, 0,
			GL11.GL_RGBA, GL12.GL_UNSIGNED_SHORT_4_4_4_4, bfr);
	setTextureParameters();

	setObjectLabel(GL11.GL_TEXTURE, texture, name + "-tex");

	return textureHandle;
}
Example 8
Source File: AudioChannel.java    From android-transcoder with Apache License 2.0 6 votes vote down vote up 
private long drainOverflow(final ShortBuffer outBuff) {
    final ShortBuffer overflowBuff = mOverflowBuffer.data;
    final int overflowLimit = overflowBuff.limit();
    final int overflowSize = overflowBuff.remaining();

    final long beginPresentationTimeUs = mOverflowBuffer.presentationTimeUs +
            sampleCountToDurationUs(overflowBuff.position(), mInputSampleRate, mOutputChannelCount);

    outBuff.clear();
    // Limit overflowBuff to outBuff's capacity
    overflowBuff.limit(outBuff.capacity());
    // Load overflowBuff onto outBuff
    outBuff.put(overflowBuff);

    if (overflowSize >= outBuff.capacity()) {
        // Overflow fully consumed - Reset
        overflowBuff.clear().limit(0);
    } else {
        // Only partially consumed - Keep position & restore previous limit
        overflowBuff.limit(overflowLimit);
    }

    return beginPresentationTimeUs;
}
Example 9
Source File: Image.java    From JavaAV with GNU General Public License v2.0 6 votes vote down vote up 
public static void copy(ShortBuffer srcBuf, int srcStep, ShortBuffer dstBuf, int dstStep, boolean signed) {
	int w = Math.min(srcStep, dstStep);
	int srcLine = srcBuf.position();
	int dstLine = dstBuf.position();

	while (srcLine < srcBuf.capacity() && dstLine < dstBuf.capacity()) {
		srcBuf.position(srcLine);
		dstBuf.position(dstLine);

		w = Math.min(Math.min(w, srcBuf.remaining()), dstBuf.remaining());

		for (int x = 0; x < w; x++) {
			int in = signed ? srcBuf.get() : srcBuf.get() & 0xFFFF;
			short out = (short) in;
			dstBuf.put(out);
		}

		srcLine += srcStep;
		dstLine += dstStep;
	}
}
Example 10
Source File: AudioChannelWithSP.java    From Mp4Composer-android with MIT License 5 votes vote down vote up 
private void writeToSonicSteam(final ShortBuffer data) {

        short[] temBuff = new short[data.capacity()];
        data.get(temBuff);
        data.rewind();
        stream.writeShortToStream(temBuff, temBuff.length / outputChannelCount);
    }
Example 11
Source File: SOSSignalProcessing.java    From NoiseCapture with GNU General Public License v3.0 5 votes vote down vote up 
public static short[] convertBytesToShort(byte[] buffer, int length, ByteOrder byteOrder) {
    ShortBuffer byteBuffer = ByteBuffer.wrap(buffer, 0, length).order(byteOrder).asShortBuffer();
    short[] samplesShort = new short[byteBuffer.capacity()];
    byteBuffer.order();
    byteBuffer.get(samplesShort);
    return samplesShort;
}
Example 12
Source File: HelloGlobe.java    From CPE552-Java with GNU General Public License v3.0 4 votes vote down vote up 
private void initBuffers(GL4 gl) {

        float radius = 1f;
        short rings = 100;
        short sectors = 100;

        FloatBuffer vertexBuffer = getVertexBuffer(radius, rings, sectors);
        ShortBuffer elementBuffer = getElementBuffer(radius, rings, sectors);

        elementCount = elementBuffer.capacity();

        gl.glCreateBuffers(Buffer.MAX, bufferName);

        if (!bug1287) {

            gl.glNamedBufferStorage(bufferName.get(Buffer.VERTEX), vertexBuffer.capacity() * Float.BYTES, vertexBuffer,
                    GL_STATIC_DRAW);
            gl.glNamedBufferStorage(bufferName.get(Buffer.ELEMENT), elementBuffer.capacity() * Short.BYTES,
                    elementBuffer, GL_STATIC_DRAW);

            gl.glNamedBufferStorage(bufferName.get(Buffer.GLOBAL_MATRICES), Mat4x4.SIZE * 2, null, GL_MAP_WRITE_BIT);
            gl.glNamedBufferStorage(bufferName.get(Buffer.MODEL_MATRIX), Mat4x4.SIZE, null, GL_MAP_WRITE_BIT);

        } else {

            gl.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(Buffer.VERTEX));
            gl.glBufferStorage(GL_ARRAY_BUFFER, vertexBuffer.capacity() * Float.BYTES, vertexBuffer, 0);
            gl.glBindBuffer(GL_ARRAY_BUFFER, 0);

            gl.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufferName.get(Buffer.ELEMENT));
            gl.glBufferStorage(GL_ELEMENT_ARRAY_BUFFER, elementBuffer.capacity() * Short.BYTES, elementBuffer, 0);
            gl.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);


            IntBuffer uniformBufferOffset = GLBuffers.newDirectIntBuffer(1);
            gl.glGetIntegerv(GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT, uniformBufferOffset);
            int globalBlockSize = glm.max(Mat4x4.SIZE * 2, uniformBufferOffset.get(0));
            int modelBlockSize = glm.max(Mat4x4.SIZE, uniformBufferOffset.get(0));

            gl.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.GLOBAL_MATRICES));
            gl.glBufferStorage(GL_UNIFORM_BUFFER, globalBlockSize, null, GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT | GL_MAP_COHERENT_BIT);
            gl.glBindBuffer(GL_UNIFORM_BUFFER, 0);

            gl.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.MODEL_MATRIX));
            gl.glBufferStorage(GL_UNIFORM_BUFFER, modelBlockSize, null, GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT | GL_MAP_COHERENT_BIT);
            gl.glBindBuffer(GL_UNIFORM_BUFFER, 0);

            destroyBuffer(uniformBufferOffset);
        }

        destroyBuffers(vertexBuffer, elementBuffer);


        // map the transform buffers and keep them mapped
        globalMatricesPointer = gl.glMapNamedBufferRange(
                bufferName.get(Buffer.GLOBAL_MATRICES),
                0,
                Mat4x4.SIZE * 2,
                GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT | GL_MAP_COHERENT_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);

        modelMatrixPointer = gl.glMapNamedBufferRange(
                bufferName.get(Buffer.MODEL_MATRIX),
                0,
                Mat4x4.SIZE,
                GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT | GL_MAP_COHERENT_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);
    }
Example 13
Source File: HelloGlobe.java    From hello-triangle with MIT License 4 votes vote down vote up 
private void initBuffers(GL4 gl) {

        float radius = 1f;
        short rings = 100;
        short sectors = 100;

        FloatBuffer vertexBuffer = getVertexBuffer(radius, rings, sectors);
        ShortBuffer elementBuffer = getElementBuffer(radius, rings, sectors);

        elementCount = elementBuffer.capacity();

        gl.glCreateBuffers(Buffer.MAX, bufferName);

        if (!bug1287) {

            gl.glNamedBufferStorage(bufferName.get(Buffer.VERTEX), vertexBuffer.capacity() * Float.BYTES, vertexBuffer,
                    GL_STATIC_DRAW);
            gl.glNamedBufferStorage(bufferName.get(Buffer.ELEMENT), elementBuffer.capacity() * Short.BYTES,
                    elementBuffer, GL_STATIC_DRAW);

            gl.glNamedBufferStorage(bufferName.get(Buffer.GLOBAL_MATRICES), Mat4x4.SIZE * 2, null, GL_MAP_WRITE_BIT);
            gl.glNamedBufferStorage(bufferName.get(Buffer.MODEL_MATRIX), Mat4x4.SIZE, null, GL_MAP_WRITE_BIT);

        } else {

            gl.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(Buffer.VERTEX));
            gl.glBufferStorage(GL_ARRAY_BUFFER, vertexBuffer.capacity() * Float.BYTES, vertexBuffer, 0);
            gl.glBindBuffer(GL_ARRAY_BUFFER, 0);

            gl.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufferName.get(Buffer.ELEMENT));
            gl.glBufferStorage(GL_ELEMENT_ARRAY_BUFFER, elementBuffer.capacity() * Short.BYTES, elementBuffer, 0);
            gl.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);


            IntBuffer uniformBufferOffset = GLBuffers.newDirectIntBuffer(1);
            gl.glGetIntegerv(GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT, uniformBufferOffset);
            int globalBlockSize = glm.max(Mat4x4.SIZE * 2, uniformBufferOffset.get(0));
            int modelBlockSize = glm.max(Mat4x4.SIZE, uniformBufferOffset.get(0));

            gl.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.GLOBAL_MATRICES));
            gl.glBufferStorage(GL_UNIFORM_BUFFER, globalBlockSize, null, GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT | GL_MAP_COHERENT_BIT);
            gl.glBindBuffer(GL_UNIFORM_BUFFER, 0);

            gl.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.MODEL_MATRIX));
            gl.glBufferStorage(GL_UNIFORM_BUFFER, modelBlockSize, null, GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT | GL_MAP_COHERENT_BIT);
            gl.glBindBuffer(GL_UNIFORM_BUFFER, 0);

            destroyBuffer(uniformBufferOffset);
        }

        destroyBuffers(vertexBuffer, elementBuffer);


        // map the transform buffers and keep them mapped
        globalMatricesPointer = gl.glMapNamedBufferRange(
                bufferName.get(Buffer.GLOBAL_MATRICES),
                0,
                Mat4x4.SIZE * 2,
                GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT | GL_MAP_COHERENT_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);

        modelMatrixPointer = gl.glMapNamedBufferRange(
                bufferName.get(Buffer.MODEL_MATRIX),
                0,
                Mat4x4.SIZE,
                GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT | GL_MAP_COHERENT_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);
    }