Example usage for java.nio ByteBuffer get

Introduction

In this page you can find the example usage for java.nio ByteBuffer get.

Prototype

public abstract byte get(int index);

Source Link

Document

Returns the byte at the specified index and does not change the position.

Usage

From source file:Main.java

public static int[] getAsIntArray(ByteBuffer yuv, int size) {
    byte[] b = new byte[size];
    int[] result = new int[size];
    yuv.get(b);
    for (int i = 0; i < b.length; i++) {
        result[i] = b[i] & 0xff;/* w  w w  . ja v  a  2  s .com*/
    }
    return result;
}

From source file:Main.java

/**
 * Like {@link #parseEAc3SyncframeAudioSampleCount(byte[])} but reads from a byte buffer. The
 * buffer position is not modified.//from ww  w .j av a  2  s .  c  o m
 *
 * @see #parseEAc3SyncframeAudioSampleCount(byte[])
 */
public static int parseEAc3SyncframeAudioSampleCount(ByteBuffer buffer) {
    // See ETSI TS 102 366 subsection E.1.2.2.
    int fscod = (buffer.get(buffer.position() + 4) & 0xC0) >> 6;
    return AUDIO_SAMPLES_PER_AUDIO_BLOCK * (fscod == 0x03 ? 6
            : BLOCKS_PER_SYNCFRAME_BY_NUMBLKSCOD[(buffer.get(buffer.position() + 4) & 0x30) >> 4]);
}

From source file:Main.java

private static byte[] getByteArrayFromBuffer(ByteBuffer byteBuf) {
    byteBuf.flip();/*from  w  w  w.j av  a 2 s .com*/
    byte[] row = new byte[byteBuf.limit()];
    byteBuf.get(row);
    byteBuf.clear();
    return row;
}

From source file:Main.java

public static byte[] array(ByteBuffer byteBuffer) {
    ByteBuffer byteBuffer2 = byteBuffer.duplicate();
    byte[] arrby = new byte[byteBuffer2.limit()];
    byteBuffer2.rewind();/*w w  w  .  j a  v  a2 s  .com*/
    byteBuffer2.get(arrby);
    return arrby;
}

From source file:Main.java

/**
 * Reads the number of audio samples represented by a TrueHD syncframe. The buffer's position is
 * not modified.// www. ja va2  s  . c  o m
 *
 * @param buffer The {@link ByteBuffer} from which to read the syncframe.
 * @param offset The offset of the start of the syncframe relative to the buffer's position.
 * @return The number of audio samples represented by the syncframe.
 */
public static int parseTrueHdSyncframeAudioSampleCount(ByteBuffer buffer, int offset) {
    // TODO: Link to specification if available.
    boolean isMlp = (buffer.get(buffer.position() + offset + 7) & 0xFF) == 0xBB;
    return 40 << ((buffer.get(buffer.position() + offset + (isMlp ? 9 : 8)) >> 4) & 0x07);
}

From source file:Main.java

static void toArray(ByteBuffer src, boolean[] dst, int offset) {
    for (int i = 0; i < dst.length - offset; i++) {
        dst[i + offset] = src.get(i) != 0;
    }//from  w ww.  j a v  a 2 s.  c  o  m
}

From source file:Main.java

/**
 * Like {@link #parseDtsAudioSampleCount(byte[])} but reads from a byte buffer. The buffer
 * position is not modified.//  w  w w  .  j a  v  a2  s.  c  om
 */
public static int parseDtsAudioSampleCount(ByteBuffer data) {
    // See ETSI TS 102 114 subsection 5.4.1.
    int position = data.position();
    int nblks = ((data.get(position + 4) & 0x01) << 6) | ((data.get(position + 5) & 0xFC) >> 2);
    return (nblks + 1) * 32;
}

From source file:Main.java

public static void printBufferInfo(ByteBuffer bb) {
    int limit = bb.limit();
    System.out.println("Position =  " + bb.position() + ", Limit   = " + limit);
    for (int i = 0; i < limit; i++) {
        System.out.print(bb.get(i) + "  ");
    }/* w w  w. j a  v  a2  s  . c  om*/
    System.out.println();
}

From source file:Main.java

/**
 * Like {@link #parseDtsAudioSampleCount(byte[])} but reads from a {@link ByteBuffer}. The
 * buffer's position is not modified.//from   w  ww.  j  a v  a  2 s .c  om
 *
 * @param buffer The {@link ByteBuffer} from which to read.
 * @return The number of audio samples represented by the syncframe.
 */
public static int parseDtsAudioSampleCount(ByteBuffer buffer) {
    // See ETSI TS 102 114 subsection 5.4.1.
    int position = buffer.position();
    int nblks = ((buffer.get(position + 4) & 0x01) << 6) | ((buffer.get(position + 5) & 0xFC) >> 2);
    return (nblks + 1) * 32;
}

From source file:Main.java

public static byte getProfileIdc(ByteBuffer spsBuffer) {
    // Refer: http://www.cardinalpeak.com/blog/the-h-264-sequence-parameter-set/
    // First byte after NAL.
    return spsBuffer.get(0);
}