From 34de47aa35a39ddcf085b28f7c99f8de8f6c3c9c Mon Sep 17 00:00:00 2001
From: Nicolas George <nicolas.george@normalesup.org>
Date: Sun, 2 Dec 2012 16:39:41 +0100
Subject: lavfi: add an accessor for ref->audio->channels.

---
 libavfilter/audio.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'libavfilter/audio.c')

diff --git a/libavfilter/audio.c b/libavfilter/audio.c
index 565f2e264c..3564896534 100644
--- a/libavfilter/audio.c
+++ b/libavfilter/audio.c
@@ -27,6 +27,11 @@
 #include "avfilter.h"
 #include "internal.h"
 
+int avfilter_ref_get_channels(AVFilterBufferRef *ref)
+{
+    return ref->audio ? ref->audio->channels : 0;
+}
+
 AVFilterBufferRef *ff_null_get_audio_buffer(AVFilterLink *link, int perms,
                                             int nb_samples)
 {
-- 
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