не видит конфига

fileWriter = new VideoWriter(buf,
              CV_FOURCC('X', 'V', 'I', 'D'),
              frameRate_,
              curr_size);

OpenCV Error: Unsupported format or combination of formats (Your version of Gstreamer doesn't support this codec acutally or needed plugin missing.) in CvVideoWriter_GStreamer::open, file /build/opencv/src/opencv-2.4.8/modules/highgui/src/cap_gstreamer.cpp, line 518