> On Jun 5, 2018, at 4:12 PM, Steinar Apalnes <[email protected]> wrote: > > Thanks for the reply! :-) > > My request/question is not strictly related to decklink but capturing in > general; The ability to set the start tc when the first frame is captured > from any capture device. The method should not be depending on incoming tc > signals from external devices but rather rely on the PC clock to determine > the "exact" capture time of the first frame. If it's feasable.
Perhaps add something like: -metadata "timecode=$(date +"%T:00")" > -steinar > > 2018-06-05 21:47 GMT+02:00 Dave Rice <[email protected]>: > >> >>> On Jun 4, 2018, at 4:41 PM, Steinar Apalnes <[email protected]> wrote: >>> >>> Hi, >>> >>> I'm doing a lot of capturing through decklink video devices and I was >>> wondering if it was, or would be possible to make ffmpeg set a frame >>> accurate start TC based on wall clock when the first frame was captured? >>> An option like this maybe: >>> >>> -tc_inject 1 >>> >>> Where 1 could be the first frame. >>> >>> or >>> >>> -tc_inject now >>> -timecode now >>> >>> Maybe this kind of option exist or maybe there are other good ways of >>> solving the "problem" but I have yet to find a solution. >> >> There is a patch regarding this under consideration on ffmpeg-devel. See >> http://ffmpeg.org/pipermail/ffmpeg-devel/2018-May/230500.html or subject >> line "[FFmpeg-devel] [PATCH] Limited timecode support for lavd/decklink". >> Best Regards, >> Dave Rice >> >> _______________________________________________ >> ffmpeg-user mailing list >> [email protected] >> http://ffmpeg.org/mailman/listinfo/ffmpeg-user >> >> To unsubscribe, visit link above, or email >> [email protected] with subject "unsubscribe". > _______________________________________________ > ffmpeg-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > [email protected] with subject "unsubscribe". _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
