FG

change mp4 `ftyp` from `isom` to `mp42`

Fresh3 days ago
Mar 15, 202614630 views
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Problem

Will I be able to change the of an mp4 file? I have two mp4 files and placed it unto media info to see what is the difference. The other mp4 plays on my SanDisk Sansa Fuze device while the other does not. The one that is playing has an of . The one I encoded using uses as its codec id.

Error Output

ftyp

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Fix for: change mp4 `ftyp` from `isom` to `mp42`

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ffmpeg could do the job.

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Environment