org.jcodec.common.model.Picture.getPlaneData java code examples

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static void collectPredictors(DecoderState sharedState, Picture outMB, int mbX) {
  sharedState.topLeft[0][0] = sharedState.topLine[0][(mbX << 4) + 15];
  sharedState.topLeft[0][1] = outMB.getPlaneData(0)[63];
  sharedState.topLeft[0][2] = outMB.getPlaneData(0)[127];
  sharedState.topLeft[0][3] = outMB.getPlaneData(0)[191];
  arraycopy(outMB.getPlaneData(0), 240, sharedState.topLine[0], mbX << 4, 16);
  copyCol(outMB.getPlaneData(0), 16, 15, 16, sharedState.leftRow[0]);
  collectChromaPredictors(sharedState, outMB, mbX);
}

public static void toBufferedImage(Picture src, BufferedImage dst) {
  byte[] data = ((DataBufferByte) dst.getRaster().getDataBuffer()).getData();
  byte[] srcData = src.getPlaneData(0);
  for (int i = 0; i < data.length; i++) {
    // Unshifting, since JCodec stores [0..255] -> [-128, 127]
    data[i] = (byte) (srcData[i] + 128);
  }
}

static void collectChromaPredictors(DecoderState sharedState, Picture outMB, int mbX) {
  sharedState.topLeft[1][0] = sharedState.topLine[1][(mbX << 3) + 7];
  sharedState.topLeft[2][0] = sharedState.topLine[2][(mbX << 3) + 7];
  arraycopy(outMB.getPlaneData(1), 56, sharedState.topLine[1], mbX << 3, 8);
  arraycopy(outMB.getPlaneData(2), 56, sharedState.topLine[2], mbX << 3, 8);
  copyCol(outMB.getPlaneData(1), 8, 7, 8, sharedState.leftRow[1]);
  copyCol(outMB.getPlaneData(2), 8, 7, 8, sharedState.leftRow[2]);
}

public static void fromBufferedImage(BufferedImage src, Picture dst) {
  byte[] dstData = dst.getPlaneData(0);
  int off = 0;
  for (int i = 0; i < src.getHeight(); i++) {
    for (int j = 0; j < src.getWidth(); j++) {
      int rgb1 = src.getRGB(j, i);
      dstData[off++] = (byte) (((rgb1 >> 16) & 0xff) - 128);
      dstData[off++] = (byte) (((rgb1 >> 8) & 0xff) - 128);
      dstData[off++] = (byte) ((rgb1 & 0xff) - 128);
    }
  }
}

private void collectPredictors(Picture outMB, int mbX) {
  arraycopy(outMB.getPlaneData(0), 240, topLine[0], mbX << 4, 16);
  arraycopy(outMB.getPlaneData(1), 56, topLine[1], mbX << 3, 8);
  arraycopy(outMB.getPlaneData(2), 56, topLine[2], mbX << 3, 8);
  copyCol(outMB.getPlaneData(0), 15, 16, leftRow[0]);
  copyCol(outMB.getPlaneData(1), 7, 8, leftRow[1]);
  copyCol(outMB.getPlaneData(2), 7, 8, leftRow[2]);
}

private void collectPredictors(Picture outMB, int mbX) {
  arraycopy(outMB.getPlaneData(0), 240, topLine[0], mbX << 4, 16);
  arraycopy(outMB.getPlaneData(1), 56, topLine[1], mbX << 3, 8);
  arraycopy(outMB.getPlaneData(2), 56, topLine[2], mbX << 3, 8);
  copyCol(outMB.getPlaneData(0), 15, 16, leftRow[0]);
  copyCol(outMB.getPlaneData(1), 7, 8, leftRow[1]);
  copyCol(outMB.getPlaneData(2), 7, 8, leftRow[2]);
}

static void mergeResidual(Picture mb, int[][][] residual, int[][] blockLUT, int[][] posLUT) {
  for (int comp = 0; comp < 3; comp++) {
    byte[] to = mb.getPlaneData(comp);
    for (int i = 0; i < to.length; i++) {
      to[i] = (byte) clip(to[i] + residual[comp][blockLUT[comp][i]][posLUT[comp][i]], -128, 127);
    }
  }
}

@Override
public void transform(Picture src, Picture dst) {
  int lumaSize = src.getWidth() * src.getHeight();
  arraycopy(src.getPlaneData(0), 0, dst.getPlaneData(0), 0, lumaSize);
  copyAvg(src.getPlaneData(1), dst.getPlaneData(1), src.getPlaneWidth(1), src.getPlaneHeight(1));
  copyAvg(src.getPlaneData(2), dst.getPlaneData(2), src.getPlaneWidth(2), src.getPlaneHeight(2));
}

@Override
public Picture decodeFrame(ByteBuffer data, byte[][] buffer) {
  Picture create = Picture.createPicture(width, height, buffer, ColorSpace.YUV420);
  ByteBuffer pix = data.duplicate();
  copy(pix, create.getPlaneData(0), width * height);
  copy(pix, create.getPlaneData(1), width * height / 4);
  copy(pix, create.getPlaneData(2), width * height / 4);
  return create;
}

@Override
public void transform(Picture src, Picture dst) {
  copy(src.getPlaneData(0), dst.getPlaneData(0), src.getWidth(), dst.getWidth(), dst.getHeight());
  _copy(src.getPlaneData(1), dst.getPlaneData(1), 0, 0, 1, 2, src.getWidth() >> 1, dst.getWidth() >> 1,
      src.getHeight() >> 1, dst.getHeight());
  _copy(src.getPlaneData(1), dst.getPlaneData(1), 0, 1, 1, 2, src.getWidth() >> 1, dst.getWidth() >> 1,
      src.getHeight() >> 1, dst.getHeight());
  _copy(src.getPlaneData(2), dst.getPlaneData(2), 0, 0, 1, 2, src.getWidth() >> 1, dst.getWidth() >> 1,
      src.getHeight() >> 1, dst.getHeight());
  _copy(src.getPlaneData(2), dst.getPlaneData(2), 0, 1, 1, 2, src.getWidth() >> 1, dst.getWidth() >> 1,
      src.getHeight() >> 1, dst.getHeight());
}

public void predictMB(Picture ref, int refX, int vectX, int refY, int vectY, int blkW, int blkH, int refVertStep,
    int refVertOff, int[][] tgt, int tgtY, int tgtVertStep) {
  int ch = chromaFormat == Chroma420 ? 1 : 0;
  int cw = chromaFormat == Chroma444 ? 0 : 1;
  int sh = chromaFormat == Chroma420 ? 2 : 1;
  int sw = chromaFormat == Chroma444 ? 1 : 2;
  predictPlane(ref.getPlaneData(0), refX + vectX, refY + vectY, ref.getPlaneWidth(0), ref.getPlaneHeight(0),
      refVertStep, refVertOff, tgt[0], tgtY, blkW, blkH, tgtVertStep);
  predictPlane(ref.getPlaneData(1), (refX >> cw) + vectX / sw, (refY >> ch) + vectY / sh, ref.getPlaneWidth(1),
      ref.getPlaneHeight(1), refVertStep, refVertOff, tgt[1], tgtY, blkW >> cw, blkH >> ch, tgtVertStep);
  predictPlane(ref.getPlaneData(2), (refX >> cw) + vectX / sw, (refY >> ch) + vectY / sh, ref.getPlaneWidth(2),
      ref.getPlaneHeight(2), refVertStep, refVertOff, tgt[2], tgtY, blkW >> cw, blkH >> ch, tgtVertStep);
}

void decodeBlock(BitReader bits, int[] dcPredictor, int[][] quant, VLC[] huff, Picture result, int[] buf,
    int blkX, int blkY, int plane, int chroma, int field, int step) {
  Arrays.fill(buf, 0);
  dcPredictor[plane] = buf[0] = readDCValue(bits, huff[chroma]) * quant[chroma][0] + dcPredictor[plane];
  readACValues(bits, buf, huff[chroma + 2], quant[chroma]);
  SimpleIDCT10Bit.idct10(buf, 0);
  putBlock(result.getPlaneData(plane), result.getPlaneWidth(plane), buf, blkX, blkY, field, step);
}

public static final void putBlkPic(Picture dest, Picture src, int x, int y) {
  if (dest.getColor() != src.getColor())
    throw new RuntimeException("Incompatible color");
  for (int c = 0; c < dest.getColor().nComp; c++) {
    pubBlkOnePlane(dest.getPlaneData(c), dest.getPlaneWidth(c), src.getPlaneData(c), src.getPlaneWidth(c),
        src.getPlaneHeight(c), x >> dest.getColor().compWidth[c], y >> dest.getColor().compHeight[c]);
  }
}

private int[][] transformChroma(Picture pic, int comp, int qp, int x, int y, Picture outMB, int chromaPred) {
  int[][] ac = new int[4][16];
  for (int blk = 0; blk < ac.length; blk++) {
    int blkOffX = (blk & 1) << 2;
    int blkOffY = (blk >> 1) << 2;
    takeSubtract(pic.getPlaneData(comp), pic.getPlaneWidth(comp), pic.getPlaneHeight(comp), x + blkOffX, y
        + blkOffY, ac[blk], chromaPred);
    VPXDCT.fdct4x4(ac[blk]);
  }
  return ac;
}

private int[] mvEstimate(Picture pic, int mbX, int mbY, int mvpx, int mvpy) {
  byte[] patch = new byte[256];
  MBEncoderHelper.take(pic.getPlaneData(0), pic.getPlaneWidth(0), pic.getPlaneHeight(0), mbX << 4, mbY << 4,
      patch, 16, 16);
  return me.estimate(ref, patch, mbX, mbY, mvpx, mvpy);
}

@Override
void decodeBlock(BitReader bits, int[] dcPredictor, int[][] quant, VLC[] huff, Picture result, int[] buf, int blkX,
    int blkY, int plane, int chroma, int field, int step) {
  buf[1] = buf[2] = buf[3] = buf[4] = buf[5] = buf[6] = buf[7] = buf[8] = buf[9] = buf[10] = buf[11] = buf[12] = buf[13] = buf[14] = buf[15] = 0;
  dcPredictor[plane] = buf[0] = readDCValue(bits, huff[chroma]) * quant[chroma][0] + dcPredictor[plane];
  readACValues(bits, buf, huff[chroma + 2], quant[chroma]);
  IDCT4x4.idct(buf, 0);
  putBlock4x4(result.getPlaneData(plane), result.getPlaneWidth(plane), buf, blkX, blkY, field, step);
}

@Override
void decodeBlock(BitReader bits, int[] dcPredictor, int[][] quant, VLC[] huff, Picture result, int[] buf,
    int blkX, int blkY, int plane, int chroma, int field, int step) {
  buf[1] = buf[2] = buf[3] = 0;
  dcPredictor[plane] = buf[0] = readDCValue(bits, huff[chroma]) * quant[chroma][0] + dcPredictor[plane];
  readACValues(bits, buf, huff[chroma + 2], quant[chroma]);
  IDCT2x2.idct(buf, 0);
  putBlock2x2(result.getPlaneData(plane), result.getPlaneWidth(plane), buf, blkX, blkY, field, step);
}

private int[][] transform(Picture pic, int comp, int qp, int x, int y) {
  int dcc = lumaDCPred(x, y);
  int[][] ac = new int[16][16];
  for (int i = 0; i < ac.length; i++) {
    int[] coeff = ac[i];
    int blkOffX = (i & 3) << 2;
    int blkOffY = i & ~3;
    takeSubtract(pic.getPlaneData(comp), pic.getPlaneWidth(comp), pic.getPlaneHeight(comp), x + blkOffX, y
        + blkOffY, coeff, dcc);
    VPXDCT.fdct4x4(coeff);
  }
  return ac;
}

private void luma(Picture pic, int mbX, int mbY, VPXBooleanEncoder out, int qp, Picture outMB) {
  int x = mbX << 4;
  int y = mbY << 4;
  int[][] ac = transform(pic, 0, qp, x, y);
  int[] dc = extractDC(ac);
  writeLumaDC(mbX, mbY, out, qp, dc);
  writeLumaAC(mbX, mbY, out, ac, qp);
  restorePlaneLuma(dc, ac, qp);
  putLuma(outMB.getPlaneData(0), lumaDCPred(x, y), ac, 4);
}

  public static void subImageWithFillPic8(Picture _in, Picture out, Rect rect) {
    int width = _in.getWidth();
    int height = _in.getHeight();
    ColorSpace color = _in.getColor();
    byte[][] data = _in.getData();

    for (int i = 0; i < data.length; i++) {
      subImageWithFill(data[i], width >> color.compWidth[i], height >> color.compHeight[i],
          out.getPlaneData(i), rect.getWidth() >> color.compWidth[i],
          rect.getHeight() >> color.compHeight[i], rect.getX() >> color.compWidth[i],
          rect.getY() >> color.compHeight[i]);
    }
  }
}

How to use getPlaneDatamethodin org.jcodec.common.model.Picture

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getPlaneData
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