[FFmpeg-user] Large Video Project
dmngaie at gmail.com
Fri Jan 25 16:48:07 EET 2019
On Fri, 25 Jan 2019 at 17:32, Joshua Barnard <
Joshua.Barnard at lawrencedavid.co.uk> 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
> Is it possible to use FFMPEG to create a still image every 240 frames?
> Kind Regards,
> Joshua Barnard
> Group Marketing Manager
> Lawrence David Limited
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> ffmpeg-user at ffmpeg.org
> To unsubscribe, visit link above, or email
> ffmpeg-user-request at ffmpeg.org with subject "unsubscribe".
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
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
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