Examples with ByteBuffer java.nio.ByteBuffer used on opensource projects

Example 81 with ByteBuffer

use of java.nio.ByteBuffer in project platform_frameworks_base by android.

the class CameraMetadataTest method testReadWriteEnumWithCustomValues.

@SmallTest
public void testReadWriteEnumWithCustomValues() {
    MarshalQueryableEnum.registerEnumValues(AeAntibandingMode.class, new int[] { 0, 10, 20, 30 });
    // byte (single)
    checkKeyGetAndSet("android.control.aeAntibandingMode", AeAntibandingMode.class, AeAntibandingMode.AUTO);
    // byte (n)
    checkKeyGetAndSet("android.control.aeAvailableAntibandingModes", AeAntibandingMode[].class, new AeAntibandingMode[] { AeAntibandingMode.OFF, AeAntibandingMode._50HZ, AeAntibandingMode._60HZ, AeAntibandingMode.AUTO });
    byte[] aeAntibandingModeValues = mMetadata.readValues(CameraMetadataNative.getTag("android.control.aeAvailableAntibandingModes"));
    byte[] expectedValues = new byte[] { 0, 10, 20, 30 };
    assertArrayEquals(expectedValues, aeAntibandingModeValues);
    /**
         * Stranger cases that don't use byte enums
         */
    // int (n)
    MarshalQueryableEnum.registerEnumValues(AvailableFormat.class, new int[] { 0x20, 0x32315659, 0x11, 0x22, 0x23, 0x21 });
    checkKeyGetAndSet("android.scaler.availableFormats", AvailableFormat[].class, new AvailableFormat[] { AvailableFormat.RAW_SENSOR, AvailableFormat.YV12, AvailableFormat.IMPLEMENTATION_DEFINED, AvailableFormat.YCbCr_420_888, AvailableFormat.BLOB });
    Key<AvailableFormat[]> availableFormatsKey = new Key<AvailableFormat[]>("android.scaler.availableFormats", AvailableFormat[].class);
    byte[] availableFormatValues = mMetadata.readValues(CameraMetadataNative.getTag(availableFormatsKey.getName()));
    int[] expectedIntValues = new int[] { 0x20, 0x32315659, 0x22, 0x23, 0x21 };
    ByteBuffer bf = ByteBuffer.wrap(availableFormatValues).order(ByteOrder.nativeOrder());
    assertEquals(expectedIntValues.length * 4, availableFormatValues.length);
    for (int i = 0; i < expectedIntValues.length; ++i) {
        assertEquals(expectedIntValues[i], bf.getInt());
    }
}

Example 82 with ByteBuffer

use of java.nio.ByteBuffer in project platform_frameworks_base by android.

the class ETC1Util method loadTexture.

/**
     * Convenience method to load an ETC1 texture whether or not the active OpenGL context
     * supports the ETC1 texture compression format.
     * @param target the texture target.
     * @param level the texture level
     * @param border the border size. Typically 0.
     * @param fallbackFormat the format to use if ETC1 texture compression is not supported.
     * Must be GL_RGB.
     * @param fallbackType the type to use if ETC1 texture compression is not supported.
     * Can be either GL_UNSIGNED_SHORT_5_6_5, which implies 16-bits-per-pixel,
     * or GL_UNSIGNED_BYTE, which implies 24-bits-per-pixel.
     * @param texture the ETC1 to load.
     */
public static void loadTexture(int target, int level, int border, int fallbackFormat, int fallbackType, ETC1Texture texture) {
    if (fallbackFormat != GLES10.GL_RGB) {
        throw new IllegalArgumentException("fallbackFormat must be GL_RGB");
    }
    if (!(fallbackType == GLES10.GL_UNSIGNED_SHORT_5_6_5 || fallbackType == GLES10.GL_UNSIGNED_BYTE)) {
        throw new IllegalArgumentException("Unsupported fallbackType");
    }
    int width = texture.getWidth();
    int height = texture.getHeight();
    Buffer data = texture.getData();
    if (isETC1Supported()) {
        int imageSize = data.remaining();
        GLES10.glCompressedTexImage2D(target, level, ETC1.ETC1_RGB8_OES, width, height, border, imageSize, data);
    } else {
        boolean useShorts = fallbackType != GLES10.GL_UNSIGNED_BYTE;
        int pixelSize = useShorts ? 2 : 3;
        int stride = pixelSize * width;
        ByteBuffer decodedData = ByteBuffer.allocateDirect(stride * height).order(ByteOrder.nativeOrder());
        ETC1.decodeImage(data, decodedData, width, height, pixelSize, stride);
        GLES10.glTexImage2D(target, level, fallbackFormat, width, height, border, fallbackFormat, fallbackType, decodedData);
    }
}

Example 83 with ByteBuffer

use of java.nio.ByteBuffer in project platform_frameworks_base by android.

the class ColorFade method createNativeFloatBuffer.

private static FloatBuffer createNativeFloatBuffer(int size) {
    ByteBuffer bb = ByteBuffer.allocateDirect(size * 4);
    bb.order(ByteOrder.nativeOrder());
    return bb.asFloatBuffer();
}

Example 84 with ByteBuffer

use of java.nio.ByteBuffer in project platform_frameworks_base by android.

the class InputStreamSource method process.

@Override
public void process(FilterContext context) {
    int fileSize = 0;
    ByteBuffer byteBuffer = null;
    // Read the file
    try {
        ByteArrayOutputStream byteStream = new ByteArrayOutputStream();
        byte[] buffer = new byte[1024];
        int bytesRead;
        while ((bytesRead = mInputStream.read(buffer)) > 0) {
            byteStream.write(buffer, 0, bytesRead);
            fileSize += bytesRead;
        }
        byteBuffer = ByteBuffer.wrap(byteStream.toByteArray());
    } catch (IOException exception) {
        throw new RuntimeException("InputStreamSource: Could not read stream: " + exception.getMessage() + "!");
    }
    // Put it into a frame
    mOutputFormat.setDimensions(fileSize);
    Frame output = context.getFrameManager().newFrame(mOutputFormat);
    output.setData(byteBuffer);
    // Push output
    pushOutput("data", output);
    // Release pushed frame
    output.release();
    // Close output port as we are done here
    closeOutputPort("data");
}

Example 85 with ByteBuffer

use of java.nio.ByteBuffer in project platform_frameworks_base by android.

the class OutputStreamTarget method process.

@Override
public void process(FilterContext context) {
    Frame input = pullInput("data");
    ByteBuffer data;
    if (input.getFormat().getObjectClass() == String.class) {
        String stringVal = (String) input.getObjectValue();
        data = ByteBuffer.wrap(stringVal.getBytes());
    } else {
        data = input.getData();
    }
    try {
        mOutputStream.write(data.array(), 0, data.limit());
        mOutputStream.flush();
    } catch (IOException exception) {
        throw new RuntimeException("OutputStreamTarget: Could not write to stream: " + exception.getMessage() + "!");
    }
}