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OpenCV Error: Gpu API call (CUDA_ERROR_NO_DEVICE [Code = 100])

Hey everybody,
I successfully compiled the (opencv-3.1.0/samples/gpu/) video_reader.cpp sample with nvcc. The sample works just fine with any video I've tested except a MJPEG file.

I also tried parsing a ".jpg" file without any success.

If I try to parse a MJPEG/JPG file I get the error:

OpenCV Error: Gpu API call (CUDA_ERROR_NO_DEVICE [Code = 100]) in create, file /home/ubuntuuser/subfolder/opencv-3.1.0/modules/cudacodec/src/video_decoder.cpp, line 104 
terminate called after throwing an instance of 'cv::Exception'
what():  /home/ubuntuuser/subfolder/opencv-3.1.0/modules/cudacodec/src/video_decoder.cpp:104: error: (-217) CUDA_ERROR_NO_DEVICE [Code = 100] in function create

But the video_decoder.cpp tells me:

// Validate video format.  These are the currently supported formats via NVCUVID
CV_Assert(cudaVideoCodec_MPEG1 == _codec ||
          cudaVideoCodec_MPEG2 == _codec ||
          cudaVideoCodec_MPEG4 == _codec ||
          cudaVideoCodec_VC1   == _codec ||
          cudaVideoCodec_H264  == _codec ||
          cudaVideoCodec_JPEG  == _codec ||
          cudaVideoCodec_YUV420== _codec ||
          cudaVideoCodec_YV12  == _codec ||
          cudaVideoCodec_NV12  == _codec ||
          cudaVideoCodec_YUYV  == _codec ||
          cudaVideoCodec_UYVY  == _codec );

I'm currently using:
- kernel 3.16.0-60-generic
- Ubuntu 14.04.4 LTS
- opencv-3.1.0
- cuda V7.0.27
- nvidia-driver version 346.46
- card GeForce GT 740

I'm thankful for any idea why it's not working with MJPEG files.