2 * empathy-call-handler.c - Source for EmpathyCallHandler
3 * Copyright (C) 2008 Collabora Ltd.
4 * @author Sjoerd Simons <sjoerd.simons@collabora.co.uk>
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
25 #include <telepathy-glib/util.h>
27 #include <telepathy-farsight/channel.h>
28 #include <telepathy-farsight/stream.h>
30 #include <gst/farsight/fs-element-added-notifier.h>
32 #include "empathy-call-handler.h"
33 #include "empathy-dispatcher.h"
34 #include "empathy-marshal.h"
35 #include "empathy-utils.h"
37 G_DEFINE_TYPE(EmpathyCallHandler, empathy_call_handler, G_TYPE_OBJECT)
49 static guint signals[LAST_SIGNAL] = {0};
59 /* private structure */
62 gboolean dispose_has_run;
64 EmpathyContact *contact;
66 gboolean initial_audio;
67 gboolean initial_video;
68 FsElementAddedNotifier *fsnotifier;
69 } EmpathyCallHandlerPriv;
71 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyCallHandler)
74 empathy_call_handler_dispose (GObject *object)
76 EmpathyCallHandlerPriv *priv = GET_PRIV (object);
78 if (priv->dispose_has_run)
81 priv->dispose_has_run = TRUE;
83 if (priv->contact != NULL)
84 g_object_unref (priv->contact);
88 if (priv->tfchannel != NULL)
89 g_object_unref (priv->tfchannel);
91 priv->tfchannel = NULL;
93 if (priv->call != NULL)
95 empathy_tp_call_close (priv->call);
96 g_object_unref (priv->call);
101 if (priv->fsnotifier != NULL)
103 g_object_unref (priv->fsnotifier);
105 priv->fsnotifier = NULL;
107 /* release any references held by the object here */
108 if (G_OBJECT_CLASS (empathy_call_handler_parent_class)->dispose)
109 G_OBJECT_CLASS (empathy_call_handler_parent_class)->dispose (object);
113 empathy_call_handler_finalize (GObject *object)
115 /* free any data held directly by the object here */
116 if (G_OBJECT_CLASS (empathy_call_handler_parent_class)->finalize)
117 G_OBJECT_CLASS (empathy_call_handler_parent_class)->finalize (object);
121 empathy_call_handler_init (EmpathyCallHandler *obj)
123 EmpathyCallHandlerPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (obj,
124 EMPATHY_TYPE_CALL_HANDLER, EmpathyCallHandlerPriv);
130 empathy_call_handler_constructed (GObject *object)
132 EmpathyCallHandlerPriv *priv = GET_PRIV (object);
134 if (priv->contact == NULL)
136 g_object_get (priv->call, "contact", &(priv->contact), NULL);
141 empathy_call_handler_set_property (GObject *object,
142 guint property_id, const GValue *value, GParamSpec *pspec)
144 EmpathyCallHandlerPriv *priv = GET_PRIV (object);
149 priv->contact = g_value_dup_object (value);
152 priv->call = g_value_dup_object (value);
154 case PROP_INITIAL_AUDIO:
155 priv->initial_audio = g_value_get_boolean (value);
157 case PROP_INITIAL_VIDEO:
158 priv->initial_video = g_value_get_boolean (value);
161 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
166 empathy_call_handler_get_property (GObject *object,
167 guint property_id, GValue *value, GParamSpec *pspec)
169 EmpathyCallHandlerPriv *priv = GET_PRIV (object);
174 g_value_set_object (value, priv->contact);
177 g_value_set_object (value, priv->call);
179 case PROP_INITIAL_AUDIO:
180 g_value_set_boolean (value, priv->initial_audio);
182 case PROP_INITIAL_VIDEO:
183 g_value_set_boolean (value, priv->initial_video);
186 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
192 empathy_call_handler_class_init (EmpathyCallHandlerClass *klass)
194 GObjectClass *object_class = G_OBJECT_CLASS (klass);
195 GParamSpec *param_spec;
197 g_type_class_add_private (klass, sizeof (EmpathyCallHandlerPriv));
199 object_class->constructed = empathy_call_handler_constructed;
200 object_class->set_property = empathy_call_handler_set_property;
201 object_class->get_property = empathy_call_handler_get_property;
202 object_class->dispose = empathy_call_handler_dispose;
203 object_class->finalize = empathy_call_handler_finalize;
205 param_spec = g_param_spec_object ("contact",
206 "contact", "The remote contact",
207 EMPATHY_TYPE_CONTACT,
208 G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
209 g_object_class_install_property (object_class, PROP_CONTACT, param_spec);
211 param_spec = g_param_spec_object ("tp-call",
212 "tp-call", "The calls channel wrapper",
213 EMPATHY_TYPE_TP_CALL,
214 G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
215 g_object_class_install_property (object_class, PROP_TP_CALL, param_spec);
217 param_spec = g_param_spec_boolean ("initial-audio",
218 "initial-audio", "Whether the call should start with audio",
220 G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
221 g_object_class_install_property (object_class, PROP_INITIAL_AUDIO,
224 param_spec = g_param_spec_boolean ("initial-video",
225 "initial-video", "Whether the call should start with video",
227 G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
228 g_object_class_install_property (object_class, PROP_INITIAL_VIDEO,
231 signals[CONFERENCE_ADDED] =
232 g_signal_new ("conference-added", G_TYPE_FROM_CLASS (klass),
233 G_SIGNAL_RUN_LAST, 0, NULL, NULL,
234 g_cclosure_marshal_VOID__OBJECT,
236 1, FS_TYPE_CONFERENCE);
238 signals[SRC_PAD_ADDED] =
239 g_signal_new ("src-pad-added", G_TYPE_FROM_CLASS (klass),
240 G_SIGNAL_RUN_LAST, 0, NULL, NULL,
241 _empathy_marshal_VOID__OBJECT_UINT,
243 2, GST_TYPE_PAD, G_TYPE_UINT);
245 signals[SINK_PAD_ADDED] =
246 g_signal_new ("sink-pad-added", G_TYPE_FROM_CLASS (klass),
247 G_SIGNAL_RUN_LAST, 0, NULL, NULL,
248 _empathy_marshal_VOID__OBJECT_UINT,
250 2, GST_TYPE_PAD, G_TYPE_UINT);
252 signals[REQUEST_RESOURCE] =
253 g_signal_new ("request-resource", G_TYPE_FROM_CLASS (klass),
254 G_SIGNAL_RUN_LAST, 0,
255 g_signal_accumulator_true_handled, NULL,
256 _empathy_marshal_BOOLEAN__UINT_UINT,
257 G_TYPE_BOOLEAN, 2, G_TYPE_UINT, G_TYPE_UINT);
260 g_signal_new ("closed", G_TYPE_FROM_CLASS (klass),
261 G_SIGNAL_RUN_LAST, 0, NULL, NULL,
262 g_cclosure_marshal_VOID__VOID,
268 empathy_call_handler_new_for_contact (EmpathyContact *contact)
270 return EMPATHY_CALL_HANDLER (g_object_new (EMPATHY_TYPE_CALL_HANDLER,
271 "contact", contact, NULL));
275 empathy_call_handler_new_for_contact_with_streams (EmpathyContact *contact,
276 gboolean audio, gboolean video)
278 return EMPATHY_CALL_HANDLER (g_object_new (EMPATHY_TYPE_CALL_HANDLER,
280 "initial-audio", audio,
281 "initial-video", video,
286 empathy_call_handler_new_for_channel (EmpathyTpCall *call)
288 return EMPATHY_CALL_HANDLER (g_object_new (EMPATHY_TYPE_CALL_HANDLER,
289 "tp-call", call, NULL));
293 empathy_call_handler_bus_message (EmpathyCallHandler *handler,
294 GstBus *bus, GstMessage *message)
296 EmpathyCallHandlerPriv *priv = GET_PRIV (handler);
298 if (priv->tfchannel == NULL)
301 tf_channel_bus_message (priv->tfchannel, message);
305 conference_element_added (FsElementAddedNotifier *notifier,
310 GstElementFactory *factory;
313 factory = gst_element_get_factory (element);
314 name = gst_plugin_feature_get_name (GST_PLUGIN_FEATURE (factory));
316 if (!tp_strdiff (name, "x264enc"))
318 /* Ensure that the encoder creates the baseline profile */
319 g_object_set (element,
327 else if (!tp_strdiff (name, "gstrtpbin"))
329 /* Lower the jitterbuffer latency to make it more suitable for video
331 g_object_set (element, "latency", 100, NULL);
336 empathy_call_handler_tf_channel_session_created_cb (TfChannel *tfchannel,
337 FsConference *conference, FsParticipant *participant,
338 EmpathyCallHandler *self)
340 EmpathyCallHandlerPriv *priv = GET_PRIV (self);
342 priv->fsnotifier = fs_element_added_notifier_new ();
343 fs_element_added_notifier_add (priv->fsnotifier, GST_BIN (conference));
345 g_signal_connect (priv->fsnotifier, "element-added",
346 G_CALLBACK (conference_element_added), NULL);
348 g_signal_emit (G_OBJECT (self), signals[CONFERENCE_ADDED], 0,
349 GST_ELEMENT (conference));
353 empathy_call_handler_tf_stream_src_pad_added_cb (TfStream *stream,
354 GstPad *pad, FsCodec *codec, EmpathyCallHandler *handler)
358 g_object_get (stream, "media-type", &media_type, NULL);
360 g_signal_emit (G_OBJECT (handler), signals[SRC_PAD_ADDED], 0,
366 empathy_call_handler_tf_stream_request_resource_cb (TfStream *stream,
367 guint direction, EmpathyTpCall *call)
372 g_object_get (G_OBJECT (stream), "media-type", &media_type, NULL);
374 g_signal_emit (G_OBJECT (call),
375 signals[REQUEST_RESOURCE], 0, media_type, direction, &ret);
381 empathy_call_handler_tf_channel_stream_created_cb (TfChannel *tfchannel,
382 TfStream *stream, EmpathyCallHandler *handler)
387 g_signal_connect (stream, "src-pad-added",
388 G_CALLBACK (empathy_call_handler_tf_stream_src_pad_added_cb), handler);
389 g_signal_connect (stream, "request-resource",
390 G_CALLBACK (empathy_call_handler_tf_stream_request_resource_cb),
393 g_object_get (stream, "media-type", &media_type,
394 "sink-pad", &spad, NULL);
396 g_signal_emit (G_OBJECT (handler), signals[SINK_PAD_ADDED], 0,
399 gst_object_unref (spad);
403 empathy_call_handler_tf_channel_closed_cb (TfChannel *tfchannel,
404 EmpathyCallHandler *handler)
406 g_signal_emit (G_OBJECT (handler), signals[CLOSED], 0);
410 empathy_call_handler_tf_channel_codec_config_get_defaults (FsCodec *codecs)
415 for (i = 0; codecs[i].encoding_name != NULL; i++)
416 l = g_list_append (l, fs_codec_copy (codecs + i));
422 empathy_call_handler_tf_channel_codec_config_cb (TfChannel *channel,
423 guint stream_id, FsMediaType media_type, guint direction, gpointer user_data)
425 FsCodec audio_codecs[] = {
426 { FS_CODEC_ID_ANY, "SPEEX", FS_MEDIA_TYPE_AUDIO, 16000, },
427 { FS_CODEC_ID_ANY, "SPEEX", FS_MEDIA_TYPE_AUDIO, 8000, },
429 { FS_CODEC_ID_DISABLE, "DV", FS_MEDIA_TYPE_AUDIO, },
430 { FS_CODEC_ID_DISABLE, "MPA", FS_MEDIA_TYPE_AUDIO, },
431 { FS_CODEC_ID_DISABLE, "VORBIS", FS_MEDIA_TYPE_AUDIO, },
432 { FS_CODEC_ID_DISABLE, "MP3", FS_MEDIA_TYPE_AUDIO, },
435 FsCodec video_codecs[] = {
436 { FS_CODEC_ID_ANY, "H264", FS_MEDIA_TYPE_VIDEO, },
437 { FS_CODEC_ID_ANY, "THEORA", FS_MEDIA_TYPE_VIDEO, },
438 { FS_CODEC_ID_ANY, "H263", FS_MEDIA_TYPE_VIDEO, },
440 { FS_CODEC_ID_DISABLE, "DV", FS_MEDIA_TYPE_VIDEO, },
441 { FS_CODEC_ID_DISABLE, "JPEG", FS_MEDIA_TYPE_VIDEO, },
442 { FS_CODEC_ID_DISABLE, "MPV", FS_MEDIA_TYPE_VIDEO, },
448 case FS_MEDIA_TYPE_AUDIO:
449 return empathy_call_handler_tf_channel_codec_config_get_defaults
451 case FS_MEDIA_TYPE_VIDEO:
452 return empathy_call_handler_tf_channel_codec_config_get_defaults
460 empathy_call_handler_start_tpfs (EmpathyCallHandler *self)
462 EmpathyCallHandlerPriv *priv = GET_PRIV (self);
465 g_object_get (priv->call, "channel", &channel, NULL);
467 g_assert (channel != NULL);
469 priv->tfchannel = tf_channel_new (channel);
471 /* Set up the telepathy farsight channel */
472 g_signal_connect (priv->tfchannel, "session-created",
473 G_CALLBACK (empathy_call_handler_tf_channel_session_created_cb), self);
474 g_signal_connect (priv->tfchannel, "stream-created",
475 G_CALLBACK (empathy_call_handler_tf_channel_stream_created_cb), self);
476 g_signal_connect (priv->tfchannel, "closed",
477 G_CALLBACK (empathy_call_handler_tf_channel_closed_cb), self);
478 g_signal_connect (priv->tfchannel, "stream-get-codec-config",
479 G_CALLBACK (empathy_call_handler_tf_channel_codec_config_cb), self);
481 g_object_unref (channel);
485 empathy_call_handler_request_cb (EmpathyDispatchOperation *operation,
486 const GError *error, gpointer user_data)
488 EmpathyCallHandler *self = EMPATHY_CALL_HANDLER (user_data);
489 EmpathyCallHandlerPriv *priv = GET_PRIV (self);
494 priv->call = EMPATHY_TP_CALL (
495 empathy_dispatch_operation_get_channel_wrapper (operation));
497 g_object_ref (priv->call);
499 empathy_call_handler_start_tpfs (self);
501 empathy_tp_call_to (priv->call, priv->contact,
502 priv->initial_audio, priv->initial_video);
504 empathy_dispatch_operation_claim (operation);
508 empathy_call_handler_start_call (EmpathyCallHandler *handler)
511 EmpathyCallHandlerPriv *priv = GET_PRIV (handler);
512 EmpathyDispatcher *dispatcher;
513 TpConnection *connection;
518 if (priv->call != NULL)
520 empathy_call_handler_start_tpfs (handler);
521 empathy_tp_call_accept_incoming_call (priv->call);
525 g_assert (priv->contact != NULL);
527 dispatcher = empathy_dispatcher_dup_singleton ();
528 connection = empathy_contact_get_connection (priv->contact);
529 allowed = empathy_dispatcher_find_channel_class (dispatcher, connection,
530 TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA, TP_HANDLE_TYPE_CONTACT);
532 if (!tp_strv_contains ((const gchar * const *) allowed,
533 TP_IFACE_CHANNEL ".TargetHandle"))
536 request = g_hash_table_new_full (g_str_hash, g_str_equal, NULL,
537 (GDestroyNotify) tp_g_value_slice_free);
539 /* org.freedesktop.Telepathy.Channel.ChannelType */
540 value = tp_g_value_slice_new (G_TYPE_STRING);
541 g_value_set_string (value, TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA);
542 g_hash_table_insert (request, TP_IFACE_CHANNEL ".ChannelType", value);
544 /* org.freedesktop.Telepathy.Channel.TargetHandleType */
545 value = tp_g_value_slice_new (G_TYPE_UINT);
546 g_value_set_uint (value, TP_HANDLE_TYPE_CONTACT);
547 g_hash_table_insert (request, TP_IFACE_CHANNEL ".TargetHandleType", value);
549 /* org.freedesktop.Telepathy.Channel.TargetHandle*/
550 value = tp_g_value_slice_new (G_TYPE_UINT);
551 g_value_set_uint (value, empathy_contact_get_handle (priv->contact));
552 g_hash_table_insert (request, TP_IFACE_CHANNEL ".TargetHandle", value);
554 empathy_dispatcher_create_channel (dispatcher, connection,
555 request, empathy_call_handler_request_cb, handler);
557 g_object_unref (dispatcher);