From 9144c28483a434d298f232dccbdda0160444bd86 Mon Sep 17 00:00:00 2001
From: Stein Magnus Jodal <stein.magnus@jodal.no>
Date: Wed, 24 Oct 2012 22:35:36 +0200
Subject: [PATCH] Fix 'not-negotiated' errors on some Spotify tracks (fixes
 #213)

---
 docs/changes.rst      |  6 ++++++
 mopidy/audio/actor.py | 15 +++++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/docs/changes.rst b/docs/changes.rst
index 17d50072..854c90d3 100644
--- a/docs/changes.rst
+++ b/docs/changes.rst
@@ -12,6 +12,12 @@ v0.9.0 (in development)
 
 - Pykka >= 0.16 is now required.
 
+**Bug fixes**
+
+- :issue:`213`: Fix "streaming task paused, reason not-negotiated" errors
+  observed by some users on some Spotify tracks due to a change introduced in
+  0.8.0. See the issue for a patch that applies to 0.8.0.
+
 
 v0.8.0 (2012-09-20)
 ===================
diff --git a/mopidy/audio/actor.py b/mopidy/audio/actor.py
index 77b451d7..fee5f094 100644
--- a/mopidy/audio/actor.py
+++ b/mopidy/audio/actor.py
@@ -61,6 +61,21 @@ class Audio(ThreadingActor):
         fakesink = gst.element_factory_make('fakesink')
         self._playbin.set_property('video-sink', fakesink)
 
+        self._playbin.connect('notify::source', self._on_new_source)
+
+    def _on_new_source(self, element, pad):
+        uri = element.get_property('uri')
+        if not uri or not uri.startswith('appsrc://'):
+            return
+
+        # These caps matches the audio data provided by libspotify
+        default_caps = gst.Caps(
+            'audio/x-raw-int, endianness=(int)1234, channels=(int)2, '
+            'width=(int)16, depth=(int)16, signed=(boolean)true, '
+            'rate=(int)44100')
+        source = element.get_property('source')
+        source.set_property('caps', default_caps)
+
     def _teardown_playbin(self):
         self._playbin.set_state(gst.STATE_NULL)