VideoReader don't read .m4v

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Xin Cao
Xin Cao 2018-1-12
评论： cui,xingxing 2021-1-26
Hello there, I was using VideoReader to read a .m4v file on my Windows 10 education. But there comes the following error:
Error using VideoReader/init (line 619) Could not read file due to an unexpected error. Reason: Error Creating Source Reader Reason: The byte stream type of the given URL is unsupported.
Error in VideoReader (line 172) obj.init(fileName);
Does any one know how can I fix this?
My matlab version is R2017b. I used VideoReader to read .avi and works. I can open the .m4v video with VLC player but not windows media player. I tried to install gstreamer1.0 but not work.
Many thanks for your reading.

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回答（1 个）

Harish Ramachandran
Both Windows Media player and videoReader support the m4v format. Since VLC is able to play but Windows Media Player is not, it looks like it is a codec issue. Please download the latest compatible version of codec from https://www.mediaplayercodecpack.com/ and try again.
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Alex Van Der Ven
Alex Van Der Ven 2020-10-15
Worked great for me (2020a), thanks Harish!
cui,xingxing
cui,xingxing 2021-1-26
another solution:
https://www.mathworks.com/matlabcentral/answers/727183-videoreader-can-t-read-mp4-files

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