Android frame to bitmap is null

ByteArrayOutputStream out = new ByteArrayOutputStream();
YuvImage yuvImage = new YuvImage(frame.getData(), ImageFormat.NV21, frame.getSize().getWidth(), frame.getSize().getHeight(), null);
yuvImage.compressToJpeg(new Rect(0, 0, frame.getSize().getWidth(), frame.getSize().getHeight()), 90, out);
byte[] imageBytes = out.toByteArray();
Bitmap image = BitmapFactory.decodeByteArray(imageBytes, 0, imageBytes.length);

Source: github.com

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