src/empathy-audio-utils.c

   1 /*
   2  * Copyright (C) 2011 Collabora Ltd.
   3  *
   4  * The code contained in this file is free software; you can redistribute
   5  * it and/or modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either version
   7  * 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This file is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this code; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17  *
  18  * Authors: Emilio Pozuelo Monfort <emilio.pozuelo@collabora.co.uk>
  19  */
  20
  21 #include "config.h"
  22 #include "empathy-audio-utils.h"
  23
  24 #include <pulse/pulseaudio.h>
  25
  26 #include "empathy-gsettings.h"
  27
  28 #define DEBUG_FLAG EMPATHY_DEBUG_OTHER
  29 #include "empathy-debug.h"
  30
  31 void
  32 empathy_audio_set_stream_properties (GstElement *element,
  33   gboolean echo_cancellation)
  34 {
  35   GstStructure *props;
  36   GSettings *gsettings_call;
  37   gboolean echo_cancellation_setting;
  38
  39   gsettings_call = g_settings_new (EMPATHY_PREFS_CALL_SCHEMA);
  40
  41   echo_cancellation_setting = g_settings_get_boolean (gsettings_call,
  42       EMPATHY_PREFS_CALL_ECHO_CANCELLATION);
  43
  44   DEBUG ("Echo cancellation: element allowed: %s, user enabled: %s",
  45     echo_cancellation ? " yes" : "no",
  46     echo_cancellation_setting ? " yes" : "no");
  47
  48
  49   props = gst_structure_new ("props",
  50       PA_PROP_MEDIA_ROLE, G_TYPE_STRING, "phone",
  51       NULL);
  52
  53   if (echo_cancellation && echo_cancellation_setting)
  54     {
  55       gst_structure_set (props,
  56           "filter.want", G_TYPE_STRING, "echo-cancel",
  57           NULL);
  58     }
  59
  60   g_object_set (element, "stream-properties", props, NULL);
  61   gst_structure_free (props);
  62
  63   g_object_unref (gsettings_call);
  64 }