From c6deee380141d1e5d4e99d3491a19f218df239d7 Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Fri, 5 Dec 2014 16:00:17 +0100
Subject: ao_alsa: hackfix mono playback

ALSA returns "FL" as channel layout when trying to play mono. mpv and
libavresample don't like this; in particular, using libavresample to
convert stereo to "FL" fails.
---
 audio/out/ao_alsa.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/audio/out/ao_alsa.c b/audio/out/ao_alsa.c
index be9363b1d7..86393aef19 100644
--- a/audio/out/ao_alsa.c
+++ b/audio/out/ao_alsa.c
@@ -628,6 +628,9 @@ static int init(struct ao *ao)
             MP_WARN(ao, "Got unknown channel map from ALSA.\n");
         }
 
+        if (ao->channels.num == 1)
+            ao->channels.speaker[0] = MP_SP(FC);
+
         free(alsa_chmap);
     }
 #endif
-- 
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