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HubU
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 Posted: Wed, 18th Jan 2017 19:41 Post subject: MP4 problem |
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Hello boys,
I need to edit a MP4 video. The video is fine when read with VLC, but with other programs it either as no sound, or the image is upside down.
Not a single conversion works, and several pro programs don't seems to do the trick either.
How could it be solved? Thanks!
"Music washes away from the soul the dust of everyday life." ~Berthold Auerbach
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Ankh
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Location: Trelleborg
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TSR69
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| Posted: Wed, 18th Jan 2017 21:03 Post subject: |
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Demux the mp4 1st, make sure you have the offset for the audio when remuxing it again.
Edit: Btw vlc comes with its own codecs, you may simply not have the right codecs installed to do editing with some other program.
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| Posted: Wed, 18th Jan 2017 22:24 Post subject: |
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Last edited by paxsali on Thu, 4th Jul 2024 21:18; edited 1 time in total
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HubU
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| Posted: Wed, 18th Jan 2017 23:19 Post subject: |
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Last edited by paxsali on Thu, 4th Jul 2024 21:18; edited 1 time in total
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HubU
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| Posted: Wed, 18th Jan 2017 23:46 Post subject: |
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HubU
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| Posted: Thu, 19th Jan 2017 13:19 Post subject: |
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| Posted: Thu, 19th Jan 2017 15:01 Post subject: |
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Maybe it was problem with the container. You could try to remux it to MP4 again, but using ffmpeg's libmp4v2 library which produces more compatible files:
ffmpeg -i problematic_file.mp4 -acodec copy -vcodec copy output.mp4
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TSR69
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