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    %% Write a Video to an AVI File
%
%%
% Set up the reader and writer objects.
videoFReader = vision.VideoFileReader('viplanedeparture.mp4');
videoFWriter = vision.VideoFileWriter('myFile.avi','FrameRate',...
    videoFReader.info.VideoFrameRate);
%% 
% Write the first 50 frames from original file into a newly 
% created AVI file.
for i=1:50
    videoFrame = step(videoFReader);
    step(videoFWriter,videoFrame);
end
%% Close the input and output files.
release(videoFReader);
release(videoFWriter);