@@ -14,18 +14,6 @@

 Libavfilter is the filtering API of Libav. It is the substitute of the

 now deprecated 'vhooks' and started as a Google Summer of Code project.

-Integrating libavfilter into the main Libav repository is a work in

-progress. If you wish to try the unfinished development code of

-libavfilter then check it out from the libavfilter repository into

-some directory of your choice by:

-

-@example

-   svn checkout svn://svn.libav.org/soc/libavfilter

-@end example

-

-And then read the README file in the top directory to learn how to

-integrate it into ffmpeg and avplay.

-

 But note that there may still be serious bugs in the code and its API

 and ABI should not be considered stable yet!

@@ -48,15 +36,14 @@ and the vflip filter before merging it back with the other stream by

 overlaying it on top. You can use the following command to achieve this:

 @example

-./ffmpeg -i in.avi -s 240x320 -vf "[in] split [T1], fifo, [T2] overlay= 0:240 [out]; [T1] fifo, crop=0:0:-1:240, vflip [T2]

+./avconv -i input -vf "[in] split [T1], fifo, [T2] overlay=0:H/2 [out]; [T1] fifo, crop=iw:ih/2:0:ih/2, vflip [T2]" output

 @end example

-where input_video.avi has a vertical resolution of 480 pixels. The

-result will be that in output the top half of the video is mirrored

+The result will be that in output the top half of the video is mirrored

 onto the bottom half.

 Video filters are loaded using the @var{-vf} option passed to

-ffmpeg or to avplay. Filters in the same linear chain are separated by

+avconv or to avplay. Filters in the same linear chain are separated by

 commas. In our example, @var{split, fifo, overlay} are in one linear

 chain, and @var{fifo, crop, vflip} are in another. The points where

 the linear chains join are labeled by names enclosed in square