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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!
On ne peut rien gagner sans perdre; même le paradis exige la mort.
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Ankh
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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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