test-mp4: Support filenames with spaces in them. Error out on too few arguments
test-mp4: Support filenames with spaces in them. Error out on too few arguments

barisdemiray/gst-rtsp-server,barisdemiray/gst-rtsp-server,surround-io/gst-rtsp-server,barisdemiray/gst-rtsp-server,surround-io/gst-rtsp-server,surround-io/gst-rtsp-server