[FFmpeg-user] Option video_size

[Etienne Buira]

On Sun, Sep 11, 2011 at 11:36:06AM +0200, Tom wrote:
> Hi,
> 
> I'm running the latest ffmpeg (built this weekend from git), and got
> this error when trying to transform an flv to a set of jpegs:
> 
> $ ffmpeg -s 720x576 -i media.flv -s 640x512 -b 8000K -an -r 25
> -vframes 30 media/640x480x25/build%d.jpg
> 
> ffmpeg version git-Sat Sep 10 05:24:39 2011 +0200-b10ba11, Copyright
> (c) 2000-2011 the FFmpeg developers
>   built on Sep 10 2011 08:00:13 with gcc 4.2.4 (Ubuntu 4.2.4-1ubuntu4)
>   configuration: --enable-gpl --enable-version3 --enable-nonfree
> --enable-postproc --enable-libfaac --enable-libopencore-amrnb
> --enable-libopencore-amrwb --enable-libmp3lame --enable-libtheora
> --enable-libvorbis --enable-libxvid --enable-x11grab --enable-pthreads
>   libavutil    51. 16. 0 / 51. 16. 0
>   libavcodec   53. 13. 0 / 53. 13. 0
>   libavformat  53. 12. 0 / 53. 12. 0
>   libavdevice  53.  3. 0 / 53.  3. 0
>   libavfilter   2. 39. 0 /  2. 39. 0
>   libswscale    2.  1. 0 /  2.  1. 0
>   libpostproc  51.  2. 0 / 51.  2. 0
> Option video_size not found.
> 
> 
> I've googled, but option video_size is apparently quite unknown on the
> documentation page..
> 
> Can someone help?

Hi.

It's a string describing frame size (instead of -s before -i). And true,
not in doc, but present in ffmpeg -h.

Regards.