// The callback for receiving the raw H264 video data for camera live view
    mReceivedVideoDataListener = new VideoFeeder.VideoDataListener() {
        @Override
        public void onReceive(byte[] videoBuffer, int size) {
            //Log.d("BytesReceived", Integer.toString(videoStreamFrameNumber));
            if (videoStreamFrameNumber++%30 == 0){
                //convert video buffer to opencv array
                OpenCvAndModelAsync openCvAndModelAsync = new OpenCvAndModelAsync();
                openCvAndModelAsync.execute(videoBuffer);
            }
            if (mCodecManager != null) {
                mCodecManager.sendDataToDecoder(videoBuffer, size);
            }
        }
    };

@Override
    public void onYuvDataReceived(final ByteBuffer yuvFrame, int dataSize, final int width, final int height) {
        //In this demo, we test the YUV data by saving it into JPG files.
        //DJILog.d(TAG, "onYuvDataReceived " + dataSize);
        if (count++ % 30 == 0 && yuvFrame != null) {
            final byte[] bytes = new byte[dataSize];
            yuvFrame.get(bytes);
            AsyncTask.execute(new Runnable() {
                @Override
                public void run() {
                    if (bytes.length >= width * height) {
                        Log.d("MatWidth", "Made it");
                        YuvImage yuvImage = saveYuvDataToJPEG(bytes, width, height);
                        Bitmap rgbYuvConvert = convertYuvImageToRgb(yuvImage, width, height);

                        Mat yuvMat = new Mat(height, width, CvType.CV_8UC1);
                        yuvMat.put(0, 0, bytes);
                        //OpenCv Stuff
                    }
                }
            });
        }
    }

/* Async OpenCV Code */
    private class OpenCvAndModelAsync extends AsyncTask<byte[], Void, double[]> {
        @Override
        protected double[] doInBackground(byte[]... params) {//Background Code Executing. Don't touch any UI components
            //get fpv feed and convert bytes to mat array
            Mat videoBufMat = new Mat(4, params[0].length, CvType.CV_8UC4);
            videoBufMat.put(0,0, params[0]);
            //if I add this in it says the bytes are empty.
            //Mat videoBufMat = Imgcodecs.imdecode(encodeVideoBuf, Imgcodecs.IMREAD_ANYCOLOR);
            //encodeVideoBuf.release();
            Log.d("MatRgba", videoBufMat.toString());
            for (int i = 0; i< videoBufMat.rows(); i++){
                for (int j=0; j< videoBufMat.cols(); j++){
                    double[] rgb = videoBufMat.get(i, j);
                    Log.i("Matrix", "red: "+rgb[0]+" green: "+rgb[1]+" blue: "+rgb[2]+" alpha: "
                            + rgb[3] + " Length: " + rgb.length + " Rows: "
                            + videoBufMat.rows() + " Columns: " + videoBufMat.cols());
                }
            }
            double[] center = openCVThingy(videoBufMat);
            return center;
        }
        protected void onPostExecute(double[] center) {
            //handle ui or another async task if necessary
        }
    }

2019-05-23 21:14:29.601 21431-22086/com.dji.simulatorDemo D/VideoBufferSize: 2425
2019-05-23 21:14:29.802 21431-22086/com.dji.simulatorDemo D/VideoBufferSize: 2659
2019-05-23 21:14:30.004 21431-22086/com.dji.simulatorDemo D/VideoBufferSize: 6
2019-05-23 21:14:30.263 21431-22086/com.dji.simulatorDemo D/VideoBufferSize: 6015
2019-05-23 21:14:30.507 21431-22086/com.dji.simulatorDemo D/VideoBufferSize: 6
2019-05-23 21:14:30.766 21431-22086/com.dji.simulatorDemo D/VideoBufferSize: 4682
2019-05-23 21:14:31.005 21431-22086/com.dji.simulatorDemo D/VideoBufferSize: 6
2019-05-23 21:14:31.234 21431-22086/com.dji.simulatorDemo D/VideoBufferSize: 2840
2019-05-23 21:14:31.433 21431-22086/com.dji.simulatorDemo D/VideoBufferSize: 4482
2019-05-23 21:14:31.664 21431-22086/com.dji.simulatorDemo D/VideoBufferSize: 6
2019-05-23 21:14:31.927 21431-22086/com.dji.simulatorDemo D/VideoBufferSize: 4768
2019-05-23 21:14:32.174 21431-22086/com.dji.simulatorDemo D/VideoBufferSize: 6
2019-05-23 21:14:32.433 21431-22086/com.dji.simulatorDemo D/VideoBufferSize: 4700
2019-05-23 21:14:32.668 21431-22086/com.dji.simulatorDemo D/VideoBufferSize: 6
2019-05-23 21:14:32.864 21431-22086/com.dji.simulatorDemo D/VideoBufferSize: 4740
2019-05-23 21:14:33.102 21431-22086/com.dji.simulatorDemo D/VideoBufferSize: 6
2019-05-23 21:14:33.365 21431-22086/com.dji.simulatorDemo D/VideoBufferSize: 4640

Mat videoBufMat = Imgcodecs.imdecode(new MatOfByte(params[0]), Imgcodecs.IMREAD_UNCHANGED);

Mat encodeVideoBuf = new Mat(4, params[0].length, CvType.CV_8UC4);
encodeVideoBuf.put(0,0, params[0]);
Mat videoBufMat = Imgcodecs.imdecode(encodeVideoBuf, Imgcodecs.IMREAD_UNCHANGED);