Remove libempathy-gtk dependency on gstreamer

libempathy-gtk uses gstreamer directly only for one utility function
used by empathy-call. Split this one out into a call specific utility
file.

1 files changed, 65 insertions, 0 deletions

diff --git a/src/empathy-audio-utils.c b/src/empathy-audio-utils.c
new file mode 100644
index 000000000..323ef8edf
--- /dev/null
+++ b/src/empathy-audio-utils.c
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2011 Collabora Ltd.
+ *
+ * The code contained in this file is free software; you can redistribute
+ * it and/or modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either version
+ * 2.1 of the License, or (at your option) any later version.
+ *
+ * This file is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this code; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Authors: Emilio Pozuelo Monfort <emilio.pozuelo@collabora.co.uk>
+ */
+
+#include "config.h"
+
+#include <pulse/pulseaudio.h>
+
+#include "empathy-audio-utils.h"
+
+#include <libempathy/empathy-gsettings.h>
+
+#define DEBUG_FLAG EMPATHY_DEBUG_OTHER
+#include <libempathy/empathy-debug.h>
+
+void
+empathy_audio_set_stream_properties (GstElement *element,
+  gboolean echo_cancellation)
+{
+  GstStructure *props;
+  GSettings *gsettings_call;
+  gboolean echo_cancellation_setting;
+
+  gsettings_call = g_settings_new (EMPATHY_PREFS_CALL_SCHEMA);
+
+  echo_cancellation_setting = g_settings_get_boolean (gsettings_call,
+      EMPATHY_PREFS_CALL_ECHO_CANCELLATION);
+
+  DEBUG ("Echo cancellation: element allowed: %s, user enabled: %s",
+    echo_cancellation ? " yes" : "no",
+    echo_cancellation_setting ? " yes" : "no");
+
+
+  props = gst_structure_new ("props",
+      PA_PROP_MEDIA_ROLE, G_TYPE_STRING, "phone",
+      NULL);
+
+  if (echo_cancellation && echo_cancellation_setting)
+    {
+      gst_structure_set (props,
+          "filter.want", G_TYPE_STRING, "echo-cancel",
+          NULL);
+    }
+
+  g_object_set (element, "stream-properties", props, NULL);
+  gst_structure_free (props);
+
+  g_object_unref (gsettings_call);
+}