On Sat, Apr 10, 2021 at 01:54:45PM +0100, Rob Hallam wrote: > On Sat, 10 Apr 2021 at 13:43, William Breathitt Gray > <vilhelm.g...@gmail.com> wrote: > > > $ ffprobe VID_20210401_150222.mp4 -hide_banner > > ... > > com.android.version: 11 > > This looks like it's been created on a mobile device. I have had > experience of a phone creating a 'truncated' file which cut off > before the actual due to a corrupt MOOV atom / extraneous 'ftyp' > atoms. > > The video file played correctly on the phone and on online viewers (eg > YT) but not with either VLC, ffplay, etc.
Yes, that essentially my situation (recorded video on phone, but file seems to have been generated with a fault -- perhaps due to truncation as your mention), I can play the video file correctly on my phone and desktop (albeit with some minor corrupted video frames and perhaps an audio skip here or there), but when I try to convert the video file using ffmpeg, I am unable to generate a useful output. I could perhaps use another tool, but I'd like to understand where I'm going wrong with ffmpeg because I do believe it is capable of doing what I want if I learn how it works. > > I could salvage the file by uploading to eg GDocs / YouTube and > re-downloading. You may also wish to have a look at the fork of > untrunc. Others here can advise if ffmpeg can do something useful > with your video file. > > > $ ffmpeg -hide_banner -i VID_20210401_150222.mp4 -c:v copy -an onlyvideo.mp4 > > Separately, I have seen others advise not to use -hide_banner when > preparing output for questions asked of this list. It is germane to know > what version a querent is using and with which options. > > Cheers, > Rob Ah yes that makes sense, I'll make sure to include the banner in my future responses then. Thank you, William Breathitt Gray
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