Do you have an alteration to the script for that? Kind Regards,
Joshua Barnard Group Marketing Manager Lawrence David Limited Woodston Point 01733 397622 Shrewsbury Avenue 01733 397635 Woodston Industry 07393 235031 Peterborough [email protected] PE2 7LB www.lawrencedavid.co.uk Group Activities Include • Home Delivery Vans • Vehicle Refurbishment • Trailer Manufacturing • Used Trailer Sales • Accident Repairs • Rigid Bodywork • Asset Management • Leasing & Finance -----Original Message----- From: ffmpeg-user <[email protected]> On Behalf Of andrei ka Sent: 25 January 2019 15:07 To: FFmpeg user questions <[email protected]> Subject: Re: [FFmpeg-user] Large Video Project i'd think about adding scene change detection to your fixed number of frames extact, lot's of things may happen during 4 secs. i bet you can add this just as an extra filter to that simple mod 240 filter, so everything will be done in 1 pass On Fri, Jan 25, 2019 at 3:55 PM Dennis Mungai <[email protected]> wrote: > On Fri, 25 Jan 2019 at 17:32, Joshua Barnard < > [email protected]> wrote: > > > Hi all, > > > > Thank you for taking the time to read this. > > > > I'm working on a project for my company that involves creating a > > time lapse video. > > > > The issue I'm having is that I have 6TB of raw video recorded at > > 1080p/60FPS and I need to condense this down to 5-10 minutes of > > video footage. > > > > Is it possible to use FFMPEG to create a still image every 240 frames? > > > > Kind Regards, > > > > > > Joshua Barnard > > Group Marketing Manager > > > > > > Lawrence David Limited > > > > > > > > _______________________________________________ > > 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". > > > Hello there, > > It's possible. > > For a single image every 240 frames, assuming a frame rate of 60, you > can exploit the select filter as shown: > > ffmpeg -i input -filter:v 'select=not(mod(n\,240))' image%02d.png > > To use time-based selection which will also include the first frame: > > ffmpeg -i input -filter:v > 'select=isnan(prev_selected_t)+gte(t-prev_selected_t\,4),setpts=N/(60*TB)' > image%02d.png > > For documentation, see the select and the setpts filters: > > 1. Select: http://ffmpeg.org/ffmpeg-filters.html#select_002c-aselect > > 2. setpts filter: > http://ffmpeg.org/ffmpeg-filters.html#asetpts_002c-setpts > _______________________________________________ > 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".
