Displaying YUV Image in Android

Question

In my application, we need to display the Video frame receives from server to our android application,
Server is sending video data @ 50 frame per second, having encoded

Answer 1

Create a bitmap after getting Width and height in onCreate.

editedBitmap = Bitmap.createBitmap(widthPreview, heightPreview,
                android.graphics.Bitmap.Config.ARGB_8888);

And in onPreviewFrame.

int[] rgbData = decodeGreyscale(aNv21Byte,widthPreview,heightPreview);
editedBitmap.setPixels(rgbData, 0, widthPreview, 0, 0, widthPreview, heightPreview);

And

private int[] decodeGreyscale(byte[] nv21, int width, int height) {
    int pixelCount = width * height;
    int[] out = new int[pixelCount];
    for (int i = 0; i < pixelCount; ++i) {
        int luminance = nv21[i] & 0xFF;
       // out[i] = Color.argb(0xFF, luminance, luminance, luminance);
        out[i] = 0xff000000 | luminance <<16 | luminance <<8 | luminance;//No need to create Color object for each.
    }
    return out;
}

And Bonus.

if(cameraId==CameraInfo.CAMERA_FACING_FRONT)
{   
    matrix.setRotate(270F);
}

finalBitmap = Bitmap.createBitmap(editedBitmap, 0, 0, widthPreview, heightPreview, matrix, true);