[FFmpeg-user] What is -video_size cif ?

Lou lou at lrcd.com
Tue Dec 31 21:36:27 CET 2013


On Tue, 31 Dec 2013 13:43:08 -0700
Bob Maple <bobm-ffmpeg at burner.com> wrote:

> Just looking at http://ffmpeg.org/ffmpeg.html#X11-grabbing and see the
> argument
> 
>  -video_size cif
> 
> but so far have come up empty on what "cif" means?  In context I'm
> guessing it means 'same as source' (Copy Input/Image Format?) but just
> curious for sure, or what other keywords might be put there.

From http://ffmpeg.org/ffmpeg-utils.html#Video-size

Specify the size of the sourced video, it may be a string of the form
widthxheight, or the name of a size abbreviation.

The following abbreviations are recognized:

...
‘qcif’

    176x144
‘cif’

    352x288
‘4cif’

    704x576

...and the list goes on.


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