[FFmpeg-cvslog] doc: add two similar overlay "side-by-side" examples.

[Clément Bœsch]

ffmpeg | branch: master | Clément Bœsch <ubitux at gmail.com> | Sun Jun 17 13:16:02 2012 +0200| [20a6fa77a6a3b7a35416f003791307d2067b720c] | committer: Clément Bœsch

doc: add two similar overlay "side-by-side" examples.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=20a6fa77a6a3b7a35416f003791307d2067b720c
---

 doc/filters.texi |    7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/doc/filters.texi b/doc/filters.texi
index a354e97..50cd72e 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -2367,6 +2367,13 @@ ffmpeg -i input -i logo1 -i logo2 -filter_complex
 # add a transparent color layer on top of the main video,
 # WxH specifies the size of the main input to the overlay filter
 color=red at .3:WxH [over]; [in][over] overlay [out]
+
+# play an original video and a filtered version (here with the deshake filter)
+# side by side
+ffplay input.avi -vf 'split[a][b]; [a]pad=iw*2:ih[src]; [b]deshake[filt]; [src][filt]overlay=w'
+
+# the previous example is the same as:
+ffplay input.avi -vf 'split[b], pad=iw*2[src], [b]deshake, [src]overlay=w'
 @end example
 
 You can chain together more overlays but the efficiency of such