From 2aef46022500cb2e76488f4aa554d024bbe9bc5d Mon Sep 17 00:00:00 2001
From: j <j@mailb.org>
Date: Thu, 4 Aug 2016 21:41:27 +0200
Subject: [PATCH] do not set -ac if audiochannels is None

---
 pandora/archive/extract.py | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/pandora/archive/extract.py b/pandora/archive/extract.py
index f402edde..d7a3357f 100644
--- a/pandora/archive/extract.py
+++ b/pandora/archive/extract.py
@@ -266,12 +266,12 @@ def stream(video, target, profile, info, audio_track=0, flags={}):
         if mono_mix:
             ac = 2
         else:
-            ac = info['audio'][audio_track].get('channels', audiochannels)
-        if ac:
+            ac = info['audio'][0].get('channels')
+            if not ac:
+                ac = audiochannels
+        if audiochannels:
             ac = min(ac, audiochannels)
-        else:
-            ac = audiochannels
-        audio_settings += ['-ac', str(ac)]
+            audio_settings += ['-ac', str(ac)]
         if audiobitrate:
             audio_settings += ['-ab', audiobitrate]
         if format == 'mp4':