[FFmpeg-user] Specify Starting Frame

[Lou]

On Mon, 16 Jun 2014 19:26:02 -0400
Sam Logan <shapableline at gmail.com> wrote:

> The -ss option lets you start at a specific timestamp.
> 
> How do you start at a specific frame?

Since you did not specify, assuming you are using the image2 demuxer for
image file inputs you can use the -start_number option:
http://ffmpeg.org/ffmpeg-formats.html#image2-2

Otherwise you may be able to use the select filter:
http://ffmpeg.org/ffmpeg-filters.html#aselect_002c-select

Such as (untested example): -vf select='gte(n\,25)'