[rhythmbox/gstreamer-1.0] xfade: make sure there's always a value in the volume control source

[Jonathan Matthew <jmatthew src gnome org>]

commit 4811ac8e0795bc148227efc74b1c3080b24804cc
Author: Jonathan Matthew <jonathan d14n org>
Date:   Thu Nov 8 07:02:13 2012 +1000

    xfade: make sure there's always a value in the volume control source
    
    The stream errors out during preroll without this.

 backends/gstreamer/rb-player-gst-xfade.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/backends/gstreamer/rb-player-gst-xfade.c b/backends/gstreamer/rb-player-gst-xfade.c
index 3d3eba8..164c353 100644
--- a/backends/gstreamer/rb-player-gst-xfade.c
+++ b/backends/gstreamer/rb-player-gst-xfade.c
@@ -2172,6 +2172,7 @@ create_stream (RBPlayerGstXFade *player, const char *uri, gpointer stream_data,
 				 player, 0);
 
 	stream->fader = GST_TIMED_VALUE_CONTROL_SOURCE (gst_interpolation_control_source_new ());
+	gst_timed_value_control_source_set (GST_TIMED_VALUE_CONTROL_SOURCE (stream->fader), 0, 1.0);
 	g_object_set (stream->fader, "mode", GST_INTERPOLATION_MODE_LINEAR, NULL);
 
 	gst_object_add_control_binding (GST_OBJECT (stream->volume),