From dc574658d15ad8f171dbdecbdce7197acf9424a0 Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Wed, 13 Mar 2013 09:10:34 +0100
Subject: [PATCH] avconv: print filter options in -h full output.

---
 avconv_opt.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/avconv_opt.c b/avconv_opt.c
index 894d6c3c76..1a4d891a0b 100644
--- a/avconv_opt.c
+++ b/avconv_opt.c
@@ -2013,6 +2013,7 @@ void show_help_default(const char *opt, const char *arg)
         show_help_children(avcodec_get_class(), flags);
         show_help_children(avformat_get_class(), flags);
         show_help_children(sws_get_class(), flags);
+        show_help_children(avfilter_get_class(), AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_AUDIO_PARAM);
     }
 }