From 2dd09ebf5597fd5e4a573bee9cccf21ae821f286 Mon Sep 17 00:00:00 2001
From: Diego Biurrun <diego@biurrun.de>
Date: Tue, 2 Sep 2014 23:25:33 +0200
Subject: [PATCH] cmdutils: Print a more sensible message in show_filters() w/o
 libavfilter

Also avoid an unused variable warning for compilers w/o av_unused support.
---
 cmdutils.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/cmdutils.c b/cmdutils.c
index 202b288a60..96b40f31a6 100644
--- a/cmdutils.c
+++ b/cmdutils.c
@@ -1161,12 +1161,14 @@ int show_protocols(void *optctx, const char *opt, const char *arg)
 
 int show_filters(void *optctx, const char *opt, const char *arg)
 {
-    const AVFilter av_unused(*filter) = NULL;
+#if CONFIG_AVFILTER
+    const AVFilter *filter = NULL;
 
     printf("Filters:\n");
-#if CONFIG_AVFILTER
     while ((filter = avfilter_next(filter)))
         printf("%-16s %s\n", filter->name, filter->description);
+#else
+    printf("No filters available: libavfilter disabled\n");
 #endif
     return 0;
 }