Opening mp4 but only audio appears on timeline??

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Im trying to open an mp4 file in Prem El21 and only the audio file opens on the timeline.

Its a good file because it opens/plays properly on all my video players.

Any suggestions as to what may be causing the problem?

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Bill Sprague

Community Expert

What is the source of your video file? Have clips from that source worked before?

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John T Smith

Community Expert

I will GUESS that the video inside that file uses a codec that the program can't use

MP4 is a wrapper, what is inside YOUR wrapper - Exactly what is INSIDE the video you are editing?
Report back with the codec details of your file, use the program below
Free program to get file information for PC/Mac http://mediaarea.net/en/MediaInfo/Download
- a MediaInfo tutorial https://youtu.be/Ivy9ckSX1M0
- when you analyze your file in MediaInfo and post a screen shot in the forum, do so in TREE view
- post your information IN your message, not as an attachment that someone would have to download

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