How can I capture data from a camera (MJPEG/YUY2) and then stream it? I have tried but was unsuccessful.

[thaituong]

@OverRide
public void onDeviceOpen(UsbDevice device, UsbControlBlock ctrlBlock, boolean createNew) {
executor.execute(() -> {
try {

            uvcCamera = new UVCCamera(null);
            List<Size> supportedSizes = uvcCamera.getSupportedSizeList();
            for (Size size : supportedSizes) {
                Log.d(TAG, "Supported size: " + size.width + "x" + size.height);
            }
            int result = uvcCamera.open(ctrlBlock);
            if (result == 0) {
                Log.d(TAG, "UVC camera opened successfully.");
            } else {
                Log.e(TAG, "Failed to open UVC camera. Error code: " + result);
                return;
            }

            uvcCamera.setPreviewSize(previewWidth, previewHeight, UVCCamera.UVC_VS_FORMAT_MJPEG);
            uvcCamera.setPreviewDisplay(svVideoRender.getHolder());
            uvcCamera.startPreview();

            uvcCamera.setFrameCallback(frame -> {
                try {
                    byte[] mjpegData = frame.array();
                    Bitmap bitmap = BitmapFactory.decodeByteArray(mjpegData, 0, mjpegData.length);

                    byte[] nv21Data = convertBitmapToNV21(bitmap, previewWidth, previewHeight);

                    NV21Buffer nv21Buffer = new NV21Buffer(nv21Data, previewWidth, previewHeight, null);
                    VideoFrame videoFrame = new VideoFrame(nv21Buffer, 0, System.nanoTime());

                    capturerObserver.onFrameCaptured(videoFrame);
                    nv21Buffer.release(); 
                } catch (Exception e) {
                    Log.e(TAG, "Failed to process MJPEG frame: " + e.getMessage());
                }
            }, UVCCamera.UVC_VS_FORMAT_MJPEG);

            Log.d(TAG, "UVC camera started successfully.");
        } catch (Exception e) {
            Log.e(TAG, "Failed to start UVC camera: " + e.getMessage());
        }
    });
}