message: android: fix JavaCamera2View UV plane handling
diff: @@ -341,11 +341,22 @@ public class JavaCamera2View extends CameraBridgeViewBase {
  if (chromaPixelStride == 2) { // Chroma channels are interleaved
  + assert(planes[0].getPixelStride() == 1);
  + assert(planes[2].getPixelStride() == 2);
  ByteBuffer y_plane = planes[0].getBuffer();
  - ByteBuffer uv_plane = planes[1].getBuffer();
  + ByteBuffer uv_plane1 = planes[1].getBuffer();
  + ByteBuffer uv_plane2 = planes[2].getBuffer();
  Mat y_mat = new Mat(h, w, CvType.CV_8UC1, y_plane);
  - Mat uv_mat = new Mat(h / 2, w / 2, CvType.CV_8UC2, uv_plane);
  - Imgproc.cvtColorTwoPlane(y_mat, uv_mat, mRgba, Imgproc.COLOR_YUV2RGBA_NV21);
  + Mat uv_mat1 = new Mat(h / 2, w / 2, CvType.CV_8UC2, uv_plane1);
  + Mat uv_mat2 = new Mat(h / 2, w / 2, CvType.CV_8UC2, uv_plane2);
  + long addr_diff = uv_mat2.dataAddr() - uv_mat1.dataAddr();
  + if (addr_diff > 0) {
  + assert(addr_diff == 1);
  + Imgproc.cvtColorTwoPlane(y_mat, uv_mat1, mRgba, Imgproc.COLOR_YUV2RGBA_NV12);
  + } else {
  + assert(addr_diff == -1);
  + Imgproc.cvtColorTwoPlane(y_mat, uv_mat2, mRgba, Imgproc.COLOR_YUV2RGBA_NV21);
  + }
  return mRgba;
  } else { // Chroma channels are not interleaved
  byte[] yuv_bytes = new byte[w*(h+h/2)];
  