i am implementing eulerian video magnification and i got these error

Error using VideoReader/initReader (line 734)

The filename specified was not found in the MATLAB path.

Error in audiovideo.internal.IVideoReader (line 136)

initReader(obj, fileName, currentTime);

Error in VideoReader (line 104)

[e-mail](varargin{:});

Error in amplify_spatial_lpyr_temporal_iir (line 31)

vid = VideoReader(vidFile);

Error in reproduceResults (line 23)

amplify_spatial_lpyr_temporal_iir(inFile, resultsDir, 10, 16, 0.4, 0.05, 0.1);