From 62d75662391733cb97edfe1ed000afe2360bc0f3 Mon Sep 17 00:00:00 2001
From: Stefano Sabatini <stefano.sabatini-lala@poste.it>
Date: Sat, 12 Dec 2009 16:18:11 +0000
Subject: Implement a -filters option, listing all the available libavfilter
 filters. Currently filters are not registered, so the option will show none.

Originally committed as revision 20807 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 cmdutils.c | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'cmdutils.c')

diff --git a/cmdutils.c b/cmdutils.c
index 5ed70f07e4..b87eea363a 100644
--- a/cmdutils.c
+++ b/cmdutils.c
@@ -560,6 +560,15 @@ void show_protocols(void)
     printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
 }
 
+void show_filters(void)
+{
+    AVFilter **filter = NULL;
+
+    printf("Filters:\n");
+    while ((filter = av_filter_next(filter)) && *filter)
+        printf("%-16s %s\n", (*filter)->name, (*filter)->description);
+}
+
 int read_yesno(void)
 {
     int c = getchar();
-- 
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