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  1. Member
    Join Date
    Apr 2018
    Location
    Zurich
    Search PM
    Hello All,

    i am new here, i am looking for help to recover some mp4 files.

    I have tried various tools listed on this site (Video Repair Tool, recover_mp4, ...) but nothing seems to be working.

    the files have been generated from a Samsung Gear 360.
    i have played the files on my iphone with the Gear 360 app, but apparently i did not play them until the end and since the files seem to be corrupted.

    the analysis from Video Repair seems to show there is video content in the files, but i can not manage to get it fixed.

    any suggestion as to which tool could I use to fix this problem?

    I have three videos which are corrupted.

    thanks
    Motus
    Last edited by Motus; 16th Apr 2018 at 03:44. Reason: added url link to Video Repair
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  2. Member
    Join Date
    Mar 2008
    Location
    United States
    Search Comp PM
    You can post the file(s) to the site here, somebody will take a look.
    Also post a small known good file from the same device
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  3. Mod Neophyte Super Moderator redwudz's Avatar
    Join Date
    Sep 2002
    Location
    USA
    Search Comp PM
    Something I usually suggest with 'corrupted' files is to try to open them in a HEX editor. If the files are very large, may take a while.
    I use VirtualDub2 as it opens most MP4 files. If you go to 'Tools>Hex editor' in VD2 and open them there, you may see the problem.
    If the area that won't play is all 'zeros', then there is no data there.

    You can also first see if they open or play in VD2.

    But it would be helpful if you could post a representative file here on our site, 500MB max.

    Others here may have some better ideas.

    And welcome to our forums.
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  4. Originally Posted by Motus View Post
    I have tried various tools listed on this site (Video Repair Tool, recover_mp4, ...) but nothing seems to be working.
    Have you tried an updated version of recover_mp4, their https://restore.media/ online tool? They have a wider range of cameras/formats/algorithms listed there.

    Originally Posted by redwudz View Post
    If the area that won't play is all 'zeros', then there is no data there.
    Yep. In this case the only thing I can think of is to create an image file of the corrupt SD card and try to recover files manually, but if the SD card wasn't formatted for a long time, then it's useless (recovered files would contain trash data, like parts of videos deleted long ago, duplicated sound, wrong metadata and the like).
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