From b0b0e6957089b2031eba60bcfdb28eaf6b59012d Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Mon, 10 Mar 2014 02:14:51 +0100
Subject: audio: don't downmix when doing digital passthrough

This obviously doesn't work. It wasn't much of a problem in the past
because most passthrough formats use 2 channels, which is also the
default for downmix.
---
 player/audio.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'player')

diff --git a/player/audio.c b/player/audio.c
index bbe4174890..28a110eba8 100644
--- a/player/audio.c
+++ b/player/audio.c
@@ -143,7 +143,8 @@ void reinit_audio_chain(struct MPContext *mpctx)
         ao_format   = out_format.format;
         ao_channels = out_format.channels;
     } else {
-        ao_channels = opts->audio_output_channels; // automatic downmix
+        if (!AF_FORMAT_IS_SPECIAL(in_format.format))
+            ao_channels = opts->audio_output_channels; // automatic downmix
     }
 
     // Determine what the filter chain outputs. build_afilter_chain() also
-- 
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