how can I add a line in a video and play it with implay command?

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MOHIT 2016-5-14

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https://ww2.mathworks.cn/matlabcentral/answers/284190-how-can-i-add-a-line-in-a-video-and-play-it-with-implay-command

回答： Walter Roberson 2016-6-18

I want to play a video in which I want a line at a location in the full video, How can I do that. I want to use 'implay' because other methods take a long time and they don't have that many playing options.

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Geoff Hayes 2016-5-14

Mohit - why don't you just read all frames of the video into an mxnx3xk array (assuming true colour frames), insert the line into each frame, and then pass this to implay?

MOHIT 2016-5-15

编辑：MOHIT 2016-5-15

Thanks for the suggestion but, I have more than one hour video, storage of that much memory is a problem (It shows an error). If I do this frame by frame using 'for' loop then it will take more time.

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