[FFmpeg-user] Rotate video with ffmpeg library in iPhone application

[Andrew Wason]

On Tue, Sep 27, 2011 at 10:13 PM, Gagandeep <gagandeep.bawa at ironroad.com> wrote:
> Hi Andrew,
>
> I know this from command line. I want to do it through code
> using library and need sample code for this.

The example code for how to use libavfilter is here:

http://git.videolan.org/?p=ffmpeg.git;a=blob;f=doc/examples/filtering.c

Andrew