From 20a6fa77a6a3b7a35416f003791307d2067b720c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Cl=C3=A9ment=20B=C5=93sch?= Date: Sun, 17 Jun 2012 13:16:02 +0200 Subject: [PATCH] doc: add two similar overlay "side-by-side" examples. --- doc/filters.texi | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/doc/filters.texi b/doc/filters.texi index a354e9703e..50cd72ec09 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@.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