From 53bf32fa4270eb60f3bf25b5bd3d1f97381d4661 Mon Sep 17 00:00:00 2001
From: Harshit Mittal <h.mittal83@gmail.com>
Date: Wed, 5 Aug 2015 12:41:49 -0700
Subject: [PATCH] doc/examples/filtering_video: better demo ffmpeg filters;
 demos chaining the filters

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 doc/examples/filtering_video.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/doc/examples/filtering_video.c b/doc/examples/filtering_video.c
index c02040ae35..5685380ff1 100644
--- a/doc/examples/filtering_video.c
+++ b/doc/examples/filtering_video.c
@@ -38,7 +38,10 @@
 #include <libavfilter/buffersrc.h>
 #include <libavutil/opt.h>
 
-const char *filter_descr = "scale=78:24";
+const char *filter_descr = "scale=78:24,transpose=cclock";
+/* other way:
+   scale=78:24 [scl]; [scl] transpose=cclock // assumes "[in]" and "[out]" to be input output pads respectively
+ */
 
 static AVFormatContext *fmt_ctx;
 static AVCodecContext *dec_ctx;