Read frames from the mp4 file

filename = '01_original.mp4';

mov = VideoReader(filename);

opFolder = fullfile(cd, 'snaps');

if ~exist(opFolder, 'dir')

mkdir(opFolder);

end

numFrames =mov.NumberOfFrames;

numFramesWritten = 0;

for t = 1 : numFrames

currFrame = read(mov,t); %reading individual frames

opBaseFileName = sprintf('%3.3d.png', t);

opFullFileName = fullfile(opFolder, opBaseFileName);

imwrite(currFrame, opFullFileName, 'png');

progIndication = sprintf('Wrote frame %4d of %d.', t, numFrames);

disp(progIndication);

numFramesWritten = numFramesWritten + 1;

end %end of 'for' loop

progIndication = sprintf('Wrote %d frames to folder "%s"',numFramesWritten, opFolder);

disp(progIndication);

I just want to read frames from the mp4 file and try to storing in a snaps folder which im created.

it works fine for avi file. but when i reading the mp4 file i got the error

Error using imwrite (line 442)

Expected DATA to be nonempty.

Error in frames (line 13)

imwrite(currFrame, opFullFileName, 'png');