Re: Changing timestamps in video files
On Wed, Apr 29, 2020 at 4:17 PM David Wright <deblis@lionunicorn.co.uk> wrote:
>
> On Wed 29 Apr 2020 at 13:16:17 (+0200), Anders Andersson wrote:
> > On Wed, Apr 29, 2020 at 12:54 PM elvis <elvis@dogonfire.com> wrote:
> > > On 29/4/20 8:29 pm, Anders Andersson wrote:
> > > > On Tue, Apr 28, 2020 at 5:57 PM Steve Keller <keller.steve@gmx.de> wrote:
> > > >> Is there any tool in Debian that is able to change the timestamp in
> > > >> video files, e.g. .mov, .avi, .mp4, etc.?
> > > >>
> > > >> For image files I use jhead -ta<offset> <file> but I haven't found
> > > >> anything for video.
> > > > $ ls -gGh faked_evidence.avi
> > > > -rw-r--r-- 1 700M Apr 29 12:26 faked_evidence.avi
> > > > $ touch -t 0512241337 faked_evidence.avi
> > > > $ ls -gGh faked_evidence.avi
> > > > -rw-r--r-- 1 700M Dec 24 2005 faked_evidence.avi
> > >
> > > Don't try that on faked_evidence.pdf
> > >
> > > Pdfs have an internal timestamp you need to change as well.
> > >
> > >
> > > I think this is what he wants for movie files, but I am not sure they
> > > have the time encoded into them...
> >
> > Sure. We can only guess what goes on in OPs mind. Could be basically
> > anything, so I imagine this list of replies will grow until OP tells
> > us what they want.
>
> Well, the OP wrote "in video files", which rules out touch.
> It's pretty obvious that the OP is more interested in modifying
> timestamps more like the one seen here, reading 210.718067.
>
> $ ffprobe 2037DFB67323C9DBA31FA6AE9C27A2670855D94A
> Input #0, mpegts, from '2037DFB67323C9DBA31FA6AE9C27A2670855D94A':
> Duration: 00:00:07.57, start: 210.718067, bitrate: 4413 kb/s
> Program 1
> Metadata:
> service_name : Service01
> service_provider: FFmpeg
> Stream #0:0[0x100]: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p(progressive), 1920x1080, Closed Captions, 29.97 fps, 29.97 tbr, 90k tbn, 59.94 tbc
> Stream #0:1[0x101]: Audio: aac (LC) ([15][0][0][0] / 0x000F), 44100 Hz, stereo, fltp, 102 kb/s
> $
Or maybe he wants to change actual timestamps in video files, like
this? https://i.stack.imgur.com/UcoNw.jpg
It's far from obvious that he wants fragment timestamps since they
would not apply to image files as he mentioned in the first post.
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