[FFmpeg-user] Reading TimeCode Track using ffmpeg

[tarun singhal]

On Fri, Jun 13, 2014 at 7:11 AM, Paul at MasterMOZ.com <paul at mastermoz.com>
wrote:

> Hi Tarun,
> Timecode is a sequence of numeric codes generated at intervals by a timing
> synchronization <http://en.wikipedia.org/wiki/Timing_synchronization>
> system. Timecode as I know it applies to video, audio and film media.
>
> Can you explain better what you are looking for when you want "start
> timecode" and "end timecode" in ffmpeg?
>
> Paul Yurt
>
>
> On Thu, Jun 12, 2014 at 5:18 PM, tarun singhal <tsinghal18 at gmail.com>
> wrote:
>
> > On Thu, Jun 12, 2014 at 6:47 PM, Paul at MasterMOZ.com <
> paul at mastermoz.com
> > >
> > wrote:
> >
> > > Hi Tarun,
> > >
> > > Q1) All frames have an absolute time. Some frames such as P/B are
> > derrived
> > > from prior frames in a sequence of frames.
> > > Q2) You ask if "ffmpeg can read time code and process them", I suspect
> > you
> > > could be asking about trimming a sequence of frames between start and
> end
> > > times. You can trim a sequence with the -ss (start time) and -t
> > (duration)
> > > parameters.
> > >
> > > All the best,
> > > Paul Yurt
> > >
> > >
> > > On Thu, Jun 12, 2014 at 7:28 AM, tarun singhal <tsinghal18 at gmail.com>
> > > wrote:
> > >
> > > > On Mon, Jun 9, 2014 at 11:53 PM, tarun singhal <tsinghal18 at gmail.com
> >
> > > > wrote:
> > > >
> > > > > Hi all,
> > > > >
> > > > > I am recently getting introduced to TimeCode, so pardon me if I am
> > > asking
> > > > > kidding questions.
> > > > > So my understanding of timecode is, a specific timecode represent
> > each
> > > > and
> > > > > individual frame in a video
> > > > >
> > > > > Q1) Do only I Frames have timecode or do each I/P/B frames have
> > > timecode?
> > > > > Q2) Does ffmpeg has capability to read time code and process them
> > > > >
> > > > > Suppose I am given two time codes 01:00:00.12 and 01:20:00.24. and
> I
> > am
> > > > > asked to cut the segment from source video whose starting time code
> > is
> > > > > 01:00:00.12 and end time code is 01:20:00.24?
> > > > >
> > > > > I have read ffmbc might be a good tool. any guidance?
> > > > >
> > > > >
> > > > >
> > > > > Regards,
> > > > > Tarun Singhal
> > > > >
> > > > >
> > > > >
> > > > Any Updates on this?
> > > > _______________________________________________
> > > > ffmpeg-user mailing list
> > > > ffmpeg-user at ffmpeg.org
> > > > http://ffmpeg.org/mailman/listinfo/ffmpeg-user
> > > >
> > >
> > >
> > >
> > > --
> > > Paul Yurt
> > > www.MasterMOZ.com <http://www.mastermoz.com> |
> > > ​
> > > paul at mastermoz.com
> > > _______________________________________________
> > > ffmpeg-user mailing list
> > > ffmpeg-user at ffmpeg.org
> > > http://ffmpeg.org/mailman/listinfo/ffmpeg-user
> > >
> >
> >
> > Hi,
> >
> > Thanks Paul for your response, But Just to clarify this again, -ss and -t
> >  are timestamp based not timecodes. Timestamp is different than timecode.
> > Please let me know if any body has any doubt regarding that. I need to
> > strip segment whose start timecode and end timecode are available with
> me.
> > _______________________________________________
> > ffmpeg-user mailing list
> > ffmpeg-user at ffmpeg.org
> > http://ffmpeg.org/mailman/listinfo/ffmpeg-user
> >
>
>
>
> --
> Paul Yurt
> www.MasterMOZ.com <http://www.mastermoz.com> |
> ​
> paul at mastermoz.com
> _______________________________________________
> ffmpeg-user mailing list
> ffmpeg-user at ffmpeg.org
> http://ffmpeg.org/mailman/listinfo/ffmpeg-user
>


Actually Timecodes are identifiers of  each frame represented by
hh:mm:ss:ff , so Can I strip a segment out of video whose start point
(start frame) is being provided as timecode not timestamp

/Tarun