/* * empathy-call-handler.c - Source for EmpathyCallHandler * Copyright (C) 2008-2009 Collabora Ltd. * @author Sjoerd Simons * * This library 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 library 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 library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include "empathy-call-handler.h" #include "empathy-call-factory.h" #include "empathy-dispatcher.h" #include "empathy-marshal.h" #include "empathy-utils.h" G_DEFINE_TYPE(EmpathyCallHandler, empathy_call_handler, G_TYPE_OBJECT) /* signal enum */ enum { CONFERENCE_ADDED, SRC_PAD_ADDED, SINK_PAD_ADDED, REQUEST_RESOURCE, CLOSED, STREAM_CLOSED, LAST_SIGNAL }; static guint signals[LAST_SIGNAL] = {0}; enum { PROP_TP_CALL = 1, PROP_GST_BUS, PROP_CONTACT, PROP_INITIAL_AUDIO, PROP_INITIAL_VIDEO, PROP_SEND_AUDIO_CODEC, PROP_SEND_VIDEO_CODEC, PROP_RECV_AUDIO_CODECS, PROP_RECV_VIDEO_CODECS, PROP_AUDIO_REMOTE_CANDIDATE, PROP_VIDEO_REMOTE_CANDIDATE, PROP_AUDIO_LOCAL_CANDIDATE, PROP_VIDEO_LOCAL_CANDIDATE, }; /* private structure */ typedef struct { gboolean dispose_has_run; EmpathyTpCall *call; EmpathyContact *contact; TfChannel *tfchannel; gboolean initial_audio; gboolean initial_video; FsCodec *send_audio_codec; FsCodec *send_video_codec; GList *recv_audio_codecs; GList *recv_video_codecs; FsCandidate *audio_remote_candidate; FsCandidate *video_remote_candidate; FsCandidate *audio_local_candidate; FsCandidate *video_local_candidate; } EmpathyCallHandlerPriv; #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyCallHandler) static void empathy_call_handler_dispose (GObject *object) { EmpathyCallHandlerPriv *priv = GET_PRIV (object); if (priv->dispose_has_run) return; priv->dispose_has_run = TRUE; if (priv->contact != NULL) g_object_unref (priv->contact); priv->contact = NULL; if (priv->tfchannel != NULL) g_object_unref (priv->tfchannel); priv->tfchannel = NULL; if (priv->call != NULL) { empathy_tp_call_close (priv->call); g_object_unref (priv->call); } priv->call = NULL; /* release any references held by the object here */ if (G_OBJECT_CLASS (empathy_call_handler_parent_class)->dispose) G_OBJECT_CLASS (empathy_call_handler_parent_class)->dispose (object); } static void empathy_call_handler_finalize (GObject *object) { EmpathyCallHandlerPriv *priv = GET_PRIV (object); fs_codec_destroy (priv->send_audio_codec); fs_codec_destroy (priv->send_video_codec); fs_codec_list_destroy (priv->recv_audio_codecs); fs_codec_list_destroy (priv->recv_video_codecs); fs_candidate_destroy (priv->audio_remote_candidate); fs_candidate_destroy (priv->video_remote_candidate); fs_candidate_destroy (priv->audio_local_candidate); fs_candidate_destroy (priv->video_local_candidate); if (G_OBJECT_CLASS (empathy_call_handler_parent_class)->finalize) G_OBJECT_CLASS (empathy_call_handler_parent_class)->finalize (object); } static void empathy_call_handler_init (EmpathyCallHandler *obj) { EmpathyCallHandlerPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (obj, EMPATHY_TYPE_CALL_HANDLER, EmpathyCallHandlerPriv); obj->priv = priv; } static void empathy_call_handler_constructed (GObject *object) { EmpathyCallHandlerPriv *priv = GET_PRIV (object); if (priv->contact == NULL) { g_object_get (priv->call, "contact", &(priv->contact), NULL); } } static void empathy_call_handler_set_property (GObject *object, guint property_id, const GValue *value, GParamSpec *pspec) { EmpathyCallHandlerPriv *priv = GET_PRIV (object); switch (property_id) { case PROP_CONTACT: priv->contact = g_value_dup_object (value); break; case PROP_TP_CALL: priv->call = g_value_dup_object (value); break; case PROP_INITIAL_AUDIO: priv->initial_audio = g_value_get_boolean (value); break; case PROP_INITIAL_VIDEO: priv->initial_video = g_value_get_boolean (value); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); } } static void empathy_call_handler_get_property (GObject *object, guint property_id, GValue *value, GParamSpec *pspec) { EmpathyCallHandlerPriv *priv = GET_PRIV (object); switch (property_id) { case PROP_CONTACT: g_value_set_object (value, priv->contact); break; case PROP_TP_CALL: g_value_set_object (value, priv->call); break; case PROP_INITIAL_AUDIO: g_value_set_boolean (value, priv->initial_audio); break; case PROP_INITIAL_VIDEO: g_value_set_boolean (value, priv->initial_video); break; case PROP_SEND_AUDIO_CODEC: g_value_set_boxed (value, priv->send_audio_codec); break; case PROP_SEND_VIDEO_CODEC: g_value_set_boxed (value, priv->send_video_codec); break; case PROP_RECV_AUDIO_CODECS: g_value_set_boxed (value, priv->recv_audio_codecs); break; case PROP_RECV_VIDEO_CODECS: g_value_set_boxed (value, priv->recv_video_codecs); break; case PROP_AUDIO_REMOTE_CANDIDATE: g_value_set_boxed (value, priv->audio_remote_candidate); break; case PROP_VIDEO_REMOTE_CANDIDATE: g_value_set_boxed (value, priv->video_remote_candidate); break; case PROP_AUDIO_LOCAL_CANDIDATE: g_value_set_boxed (value, priv->audio_local_candidate); break; case PROP_VIDEO_LOCAL_CANDIDATE: g_value_set_boxed (value, priv->video_local_candidate); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); } } static void empathy_call_handler_class_init (EmpathyCallHandlerClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); GParamSpec *param_spec; g_type_class_add_private (klass, sizeof (EmpathyCallHandlerPriv)); object_class->constructed = empathy_call_handler_constructed; object_class->set_property = empathy_call_handler_set_property; object_class->get_property = empathy_call_handler_get_property; object_class->dispose = empathy_call_handler_dispose; object_class->finalize = empathy_call_handler_finalize; param_spec = g_param_spec_object ("contact", "contact", "The remote contact", EMPATHY_TYPE_CONTACT, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS); g_object_class_install_property (object_class, PROP_CONTACT, param_spec); param_spec = g_param_spec_object ("tp-call", "tp-call", "The calls channel wrapper", EMPATHY_TYPE_TP_CALL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS); g_object_class_install_property (object_class, PROP_TP_CALL, param_spec); param_spec = g_param_spec_boolean ("initial-audio", "initial-audio", "Whether the call should start with audio", TRUE, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS); g_object_class_install_property (object_class, PROP_INITIAL_AUDIO, param_spec); param_spec = g_param_spec_boolean ("initial-video", "initial-video", "Whether the call should start with video", FALSE, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS); g_object_class_install_property (object_class, PROP_INITIAL_VIDEO, param_spec); param_spec = g_param_spec_boxed ("send-audio-codec", "send audio codec", "Codec used to encode the outgoing video stream", FS_TYPE_CODEC, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); g_object_class_install_property (object_class, PROP_SEND_AUDIO_CODEC, param_spec); param_spec = g_param_spec_boxed ("send-video-codec", "send video codec", "Codec used to encode the outgoing video stream", FS_TYPE_CODEC, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); g_object_class_install_property (object_class, PROP_SEND_VIDEO_CODEC, param_spec); param_spec = g_param_spec_boxed ("recv-audio-codecs", "recvs audio codec", "Codecs used to decode the incoming audio stream", FS_TYPE_CODEC_LIST, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); g_object_class_install_property (object_class, PROP_RECV_AUDIO_CODECS, param_spec); param_spec = g_param_spec_boxed ("recv-video-codecs", "recvs video codec", "Codecs used to decode the incoming video stream", FS_TYPE_CODEC_LIST, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); g_object_class_install_property (object_class, PROP_RECV_VIDEO_CODECS, param_spec); param_spec = g_param_spec_boxed ("audio-remote-candidate", "audio remote candidate", "Remote candidate used for the audio stream", FS_TYPE_CANDIDATE, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); g_object_class_install_property (object_class, PROP_AUDIO_REMOTE_CANDIDATE, param_spec); param_spec = g_param_spec_boxed ("video-remote-candidate", "video remote candidate", "Remote candidate used for the video stream", FS_TYPE_CANDIDATE, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); g_object_class_install_property (object_class, PROP_VIDEO_REMOTE_CANDIDATE, param_spec); param_spec = g_param_spec_boxed ("audio-local-candidate", "audio local candidate", "Local candidate used for the audio stream", FS_TYPE_CANDIDATE, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); g_object_class_install_property (object_class, PROP_AUDIO_REMOTE_CANDIDATE, param_spec); param_spec = g_param_spec_boxed ("video-local-candidate", "video local candidate", "Local candidate used for the video stream", FS_TYPE_CANDIDATE, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); g_object_class_install_property (object_class, PROP_VIDEO_REMOTE_CANDIDATE, param_spec); signals[CONFERENCE_ADDED] = g_signal_new ("conference-added", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST, 0, NULL, NULL, g_cclosure_marshal_VOID__OBJECT, G_TYPE_NONE, 1, FS_TYPE_CONFERENCE); signals[SRC_PAD_ADDED] = g_signal_new ("src-pad-added", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST, 0, NULL, NULL, _empathy_marshal_BOOLEAN__OBJECT_UINT, G_TYPE_BOOLEAN, 2, GST_TYPE_PAD, G_TYPE_UINT); signals[SINK_PAD_ADDED] = g_signal_new ("sink-pad-added", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST, 0, NULL, NULL, _empathy_marshal_BOOLEAN__OBJECT_UINT, G_TYPE_BOOLEAN, 2, GST_TYPE_PAD, G_TYPE_UINT); signals[REQUEST_RESOURCE] = g_signal_new ("request-resource", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST, 0, g_signal_accumulator_true_handled, NULL, _empathy_marshal_BOOLEAN__UINT_UINT, G_TYPE_BOOLEAN, 2, G_TYPE_UINT, G_TYPE_UINT); signals[CLOSED] = g_signal_new ("closed", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST, 0, NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); signals[STREAM_CLOSED] = g_signal_new ("stream-closed", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST, 0, NULL, NULL, g_cclosure_marshal_VOID__OBJECT, G_TYPE_NONE, 1, TF_TYPE_STREAM); } /** * empathy_call_handler_new_for_contact: * @contact: an #EmpathyContact * * Creates a new #EmpathyCallHandler with contact @contact. * * Return value: a new #EmpathyCallHandler */ EmpathyCallHandler * empathy_call_handler_new_for_contact (EmpathyContact *contact) { return EMPATHY_CALL_HANDLER (g_object_new (EMPATHY_TYPE_CALL_HANDLER, "contact", contact, NULL)); } EmpathyCallHandler * empathy_call_handler_new_for_channel (EmpathyTpCall *call) { return EMPATHY_CALL_HANDLER (g_object_new (EMPATHY_TYPE_CALL_HANDLER, "tp-call", call, "initial-video", empathy_tp_call_is_receiving_video (call), NULL)); } static void update_sending_codec (EmpathyCallHandler *self, FsCodec *codec, FsSession *session) { EmpathyCallHandlerPriv *priv = GET_PRIV (self); FsMediaType type; if (codec == NULL || session == NULL) return; g_object_get (session, "media-type", &type, NULL); if (type == FS_MEDIA_TYPE_AUDIO) { priv->send_audio_codec = fs_codec_copy (codec); g_object_notify (G_OBJECT (self), "send-audio-codec"); } else if (type == FS_MEDIA_TYPE_VIDEO) { priv->send_video_codec = fs_codec_copy (codec); g_object_notify (G_OBJECT (self), "send-video-codec"); } } static void update_receiving_codec (EmpathyCallHandler *self, GList *codecs, FsStream *stream) { EmpathyCallHandlerPriv *priv = GET_PRIV (self); FsSession *session; FsMediaType type; if (codecs == NULL || stream == NULL) return; g_object_get (stream, "session", &session, NULL); if (session == NULL) return; g_object_get (session, "media-type", &type, NULL); if (type == FS_MEDIA_TYPE_AUDIO) { priv->recv_audio_codecs = fs_codec_list_copy (codecs); g_object_notify (G_OBJECT (self), "recv-audio-codecs"); } else if (type == FS_MEDIA_TYPE_VIDEO) { priv->recv_video_codecs = fs_codec_list_copy (codecs); g_object_notify (G_OBJECT (self), "recv-video-codecs"); } g_object_unref (session); } static void update_candidates (EmpathyCallHandler *self, FsCandidate *remote_candidate, FsCandidate *local_candidate, FsStream *stream) { EmpathyCallHandlerPriv *priv = GET_PRIV (self); FsSession *session; FsMediaType type; if (stream == NULL) return; g_object_get (stream, "session", &session, NULL); if (session == NULL) return; g_object_get (session, "media-type", &type, NULL); if (type == FS_MEDIA_TYPE_AUDIO) { if (remote_candidate != NULL) { fs_candidate_destroy (priv->audio_remote_candidate); priv->audio_remote_candidate = fs_candidate_copy (remote_candidate); g_object_notify (G_OBJECT (self), "audio-remote-candidate"); } if (local_candidate != NULL) { fs_candidate_destroy (priv->audio_local_candidate); priv->audio_local_candidate = fs_candidate_copy (local_candidate); g_object_notify (G_OBJECT (self), "audio-local-candidate"); } } else if (type == FS_MEDIA_TYPE_VIDEO) { if (remote_candidate != NULL) { fs_candidate_destroy (priv->video_remote_candidate); priv->video_remote_candidate = fs_candidate_copy (remote_candidate); g_object_notify (G_OBJECT (self), "video-remote-candidate"); } if (local_candidate != NULL) { fs_candidate_destroy (priv->video_local_candidate); priv->video_local_candidate = fs_candidate_copy (local_candidate); g_object_notify (G_OBJECT (self), "video-local-candidate"); } } g_object_unref (session); } void empathy_call_handler_bus_message (EmpathyCallHandler *handler, GstBus *bus, GstMessage *message) { EmpathyCallHandlerPriv *priv = GET_PRIV (handler); const GstStructure *s = gst_message_get_structure (message); if (priv->tfchannel == NULL) return; if (s != NULL && gst_structure_has_name (s, "farsight-send-codec-changed")) { const GValue *val; FsCodec *codec; FsSession *session; val = gst_structure_get_value (s, "codec"); codec = g_value_get_boxed (val); val = gst_structure_get_value (s, "session"); session = g_value_get_object (val); update_sending_codec (handler, codec, session); } else if (s != NULL && gst_structure_has_name (s, "farsight-recv-codecs-changed")) { const GValue *val; GList *codecs; FsStream *stream; val = gst_structure_get_value (s, "codecs"); codecs = g_value_get_boxed (val); val = gst_structure_get_value (s, "stream"); stream = g_value_get_object (val); update_receiving_codec (handler, codecs, stream); } else if (s != NULL && gst_structure_has_name (s, "farsight-new-active-candidate-pair")) { const GValue *val; FsCandidate *remote_candidate, *local_candidate; FsStream *stream; val = gst_structure_get_value (s, "remote-candidate"); remote_candidate = g_value_get_boxed (val); val = gst_structure_get_value (s, "local-candidate"); local_candidate = g_value_get_boxed (val); val = gst_structure_get_value (s, "stream"); stream = g_value_get_object (val); update_candidates (handler, remote_candidate, local_candidate, stream); } tf_channel_bus_message (priv->tfchannel, message); } static void empathy_call_handler_tf_channel_session_created_cb (TfChannel *tfchannel, FsConference *conference, FsParticipant *participant, EmpathyCallHandler *self) { g_signal_emit (G_OBJECT (self), signals[CONFERENCE_ADDED], 0, GST_ELEMENT (conference)); } static gboolean src_pad_added_error_idle (gpointer data) { TfStream *stream = data; tf_stream_error (stream, TP_MEDIA_STREAM_ERROR_MEDIA_ERROR, "Could not link sink"); g_object_unref (stream); return FALSE; } static void empathy_call_handler_tf_stream_src_pad_added_cb (TfStream *stream, GstPad *pad, FsCodec *codec, EmpathyCallHandler *handler) { guint media_type; gboolean retval; g_object_get (stream, "media-type", &media_type, NULL); g_signal_emit (G_OBJECT (handler), signals[SRC_PAD_ADDED], 0, pad, media_type, &retval); if (!retval) g_idle_add (src_pad_added_error_idle, g_object_ref (stream)); } static gboolean empathy_call_handler_tf_stream_request_resource_cb (TfStream *stream, guint direction, EmpathyTpCall *call) { gboolean ret; guint media_type; g_object_get (G_OBJECT (stream), "media-type", &media_type, NULL); g_signal_emit (G_OBJECT (call), signals[REQUEST_RESOURCE], 0, media_type, direction, &ret); return ret; } static void empathy_call_handler_tf_stream_closed_cb (TfStream *stream, EmpathyCallHandler *handler) { g_signal_emit (handler, signals[STREAM_CLOSED], 0, stream); } static void empathy_call_handler_tf_channel_stream_created_cb (TfChannel *tfchannel, TfStream *stream, EmpathyCallHandler *handler) { guint media_type; GstPad *spad; gboolean retval; FsStream *fs_stream; GList *codecs; FsSession *session; FsCodec *codec; g_signal_connect (stream, "src-pad-added", G_CALLBACK (empathy_call_handler_tf_stream_src_pad_added_cb), handler); g_signal_connect (stream, "request-resource", G_CALLBACK (empathy_call_handler_tf_stream_request_resource_cb), handler); g_signal_connect (stream, "closed", G_CALLBACK (empathy_call_handler_tf_stream_closed_cb), handler); g_object_get (stream, "media-type", &media_type, "sink-pad", &spad, NULL); g_signal_emit (G_OBJECT (handler), signals[SINK_PAD_ADDED], 0, spad, media_type, &retval); if (!retval) tf_stream_error (stream, TP_MEDIA_STREAM_ERROR_MEDIA_ERROR, "Could not link source"); /* Get sending codec */ g_object_get (stream, "farsight-session", &session, NULL); g_object_get (session, "current-send-codec", &codec, NULL); update_sending_codec (handler, codec, session); tp_clear_object (&session); tp_clear_object (&codec); /* Get receiving codec */ g_object_get (stream, "farsight-stream", &fs_stream, NULL); g_object_get (fs_stream, "current-recv-codecs", &codecs, NULL); update_receiving_codec (handler, codecs, fs_stream); fs_codec_list_destroy (codecs); tp_clear_object (&fs_stream); gst_object_unref (spad); } static void empathy_call_handler_tf_channel_closed_cb (TfChannel *tfchannel, EmpathyCallHandler *handler) { g_signal_emit (G_OBJECT (handler), signals[CLOSED], 0); } static GList * empathy_call_handler_tf_channel_codec_config_cb (TfChannel *channel, guint stream_id, FsMediaType media_type, guint direction, gpointer user_data) { gchar *filename = empathy_file_lookup ("codec-preferences", "data"); GList *codecs; GError *error = NULL; codecs = fs_codec_list_from_keyfile (filename, &error); g_free (filename); if (!codecs) { g_warning ("No codec-preferences file: %s", error ? error->message : "No error message"); } g_clear_error (&error); return codecs; } static void empathy_call_handler_start_tpfs (EmpathyCallHandler *self) { EmpathyCallHandlerPriv *priv = GET_PRIV (self); TpChannel *channel; g_object_get (priv->call, "channel", &channel, NULL); g_assert (channel != NULL); priv->tfchannel = tf_channel_new (channel); /* Set up the telepathy farsight channel */ g_signal_connect (priv->tfchannel, "session-created", G_CALLBACK (empathy_call_handler_tf_channel_session_created_cb), self); g_signal_connect (priv->tfchannel, "stream-created", G_CALLBACK (empathy_call_handler_tf_channel_stream_created_cb), self); g_signal_connect (priv->tfchannel, "closed", G_CALLBACK (empathy_call_handler_tf_channel_closed_cb), self); g_signal_connect (priv->tfchannel, "stream-get-codec-config", G_CALLBACK (empathy_call_handler_tf_channel_codec_config_cb), self); g_object_unref (channel); } static void empathy_call_handler_request_cb (EmpathyDispatchOperation *operation, const GError *error, gpointer user_data) { EmpathyCallHandler *self = EMPATHY_CALL_HANDLER (user_data); EmpathyCallHandlerPriv *priv = GET_PRIV (self); TpChannel *channel; if (error != NULL) return; channel = empathy_dispatch_operation_get_channel (operation); g_assert (channel != NULL); priv->call = empathy_tp_call_new (channel); g_object_notify (G_OBJECT (self), "tp-call"); empathy_call_handler_start_tpfs (self); empathy_dispatch_operation_claim (operation); } void empathy_call_handler_start_call (EmpathyCallHandler *handler, gint64 timestamp) { EmpathyCallHandlerPriv *priv = GET_PRIV (handler); if (priv->call != NULL) { empathy_call_handler_start_tpfs (handler); empathy_tp_call_accept_incoming_call (priv->call); return; } /* No TpCall object (we are redialing). Request a new media channel that * will be used to create a new EmpathyTpCall. */ g_assert (priv->contact != NULL); empathy_call_factory_new_call_with_streams (priv->contact, priv->initial_audio, priv->initial_video, timestamp, empathy_call_handler_request_cb, handler); } /** * empathy_call_handler_stop_call: * @handler: an #EmpathyCallHandler * * Closes the #EmpathyCallHandler's call and frees its resources. */ void empathy_call_handler_stop_call (EmpathyCallHandler *handler) { EmpathyCallHandlerPriv *priv = GET_PRIV (handler); if (priv->call != NULL) { empathy_tp_call_leave (priv->call); g_object_unref (priv->call); } priv->call = NULL; } /** * empathy_call_handler_has_initial_video: * @handler: an #EmpathyCallHandler * * Return %TRUE if the call managed by this #EmpathyCallHandler was * created with video enabled * * Return value: %TRUE if the call was created as a video conversation. */ gboolean empathy_call_handler_has_initial_video (EmpathyCallHandler *handler) { EmpathyCallHandlerPriv *priv = GET_PRIV (handler); return priv->initial_video; } FsCodec * empathy_call_handler_get_send_audio_codec (EmpathyCallHandler *self) { EmpathyCallHandlerPriv *priv = GET_PRIV (self); return priv->send_audio_codec; } FsCodec * empathy_call_handler_get_send_video_codec (EmpathyCallHandler *self) { EmpathyCallHandlerPriv *priv = GET_PRIV (self); return priv->send_video_codec; } GList * empathy_call_handler_get_recv_audio_codecs (EmpathyCallHandler *self) { EmpathyCallHandlerPriv *priv = GET_PRIV (self); return priv->recv_audio_codecs; } GList * empathy_call_handler_get_recv_video_codecs (EmpathyCallHandler *self) { EmpathyCallHandlerPriv *priv = GET_PRIV (self); return priv->recv_video_codecs; } FsCandidate * empathy_call_handler_get_audio_remote_candidate ( EmpathyCallHandler *self) { EmpathyCallHandlerPriv *priv = GET_PRIV (self); return priv->audio_remote_candidate; } FsCandidate * empathy_call_handler_get_audio_local_candidate ( EmpathyCallHandler *self) { EmpathyCallHandlerPriv *priv = GET_PRIV (self); return priv->audio_local_candidate; } FsCandidate * empathy_call_handler_get_video_remote_candidate ( EmpathyCallHandler *self) { EmpathyCallHandlerPriv *priv = GET_PRIV (self); return priv->video_remote_candidate; } FsCandidate * empathy_call_handler_get_video_local_candidate ( EmpathyCallHandler *self) { EmpathyCallHandlerPriv *priv = GET_PRIV (self); return priv->video_local_candidate; }