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authorEmilio Pozuelo Monfort <emilio.pozuelo@collabora.co.uk>2011-02-03 21:45:45 +0800
committerEmilio Pozuelo Monfort <emilio.pozuelo@collabora.co.uk>2011-02-03 23:00:33 +0800
commit734d2d4314edc2302dc8e1edb74dc58d6d16d908 (patch)
treee9ab3dc7f766c4a7d3bad95e8e23971dc50f576c /libempathy/empathy-streamed-media-handler.c
parentd8d937bd964bda813cc2b33389f464d1dfbcb95f (diff)
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EmpathyCallHandler -> EmpathyStreamedMediaHandler
Diffstat (limited to 'libempathy/empathy-streamed-media-handler.c')
-rw-r--r--libempathy/empathy-streamed-media-handler.c924
1 files changed, 924 insertions, 0 deletions
diff --git a/libempathy/empathy-streamed-media-handler.c b/libempathy/empathy-streamed-media-handler.c
new file mode 100644
index 000000000..7fa49cde7
--- /dev/null
+++ b/libempathy/empathy-streamed-media-handler.c
@@ -0,0 +1,924 @@
+/*
+ * empathy-call-handler.c - Source for EmpathyStreamedMediaHandler
+ * Copyright (C) 2008-2009 Collabora Ltd.
+ * @author Sjoerd Simons <sjoerd.simons@collabora.co.uk>
+ *
+ * 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 <stdio.h>
+#include <stdlib.h>
+
+#include <telepathy-glib/account-channel-request.h>
+#include <telepathy-glib/util.h>
+#include <telepathy-glib/interfaces.h>
+
+#include <telepathy-farsight/channel.h>
+#include <telepathy-farsight/stream.h>
+
+#include "empathy-streamed-media-handler.h"
+#include "empathy-call-factory.h"
+#include "empathy-marshal.h"
+#include "empathy-utils.h"
+
+#define DEBUG_FLAG EMPATHY_DEBUG_VOIP
+#include <libempathy/empathy-debug.h>
+
+G_DEFINE_TYPE(EmpathyStreamedMediaHandler, empathy_streamed_media_handler, G_TYPE_OBJECT)
+
+/* signal enum */
+enum {
+ CONFERENCE_ADDED,
+ SRC_PAD_ADDED,
+ SINK_PAD_ADDED,
+ REQUEST_RESOURCE,
+ CLOSED,
+ STREAM_CLOSED,
+ CANDIDATES_CHANGED,
+ LAST_SIGNAL
+};
+
+static guint signals[LAST_SIGNAL] = {0};
+
+enum {
+ PROP_TP_STREAMED_MEDIA = 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;
+ EmpathyTpStreamedMedia *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;
+} EmpathyStreamedMediaHandlerPriv;
+
+#define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyStreamedMediaHandler)
+
+static void
+empathy_streamed_media_handler_dispose (GObject *object)
+{
+ EmpathyStreamedMediaHandlerPriv *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_streamed_media_close (priv->call);
+ g_object_unref (priv->call);
+ }
+
+ priv->call = NULL;
+
+ /* release any references held by the object here */
+ if (G_OBJECT_CLASS (empathy_streamed_media_handler_parent_class)->dispose)
+ G_OBJECT_CLASS (empathy_streamed_media_handler_parent_class)->dispose (object);
+}
+
+static void
+empathy_streamed_media_handler_finalize (GObject *object)
+{
+ EmpathyStreamedMediaHandlerPriv *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_streamed_media_handler_parent_class)->finalize)
+ G_OBJECT_CLASS (empathy_streamed_media_handler_parent_class)->finalize (object);
+}
+
+static void
+empathy_streamed_media_handler_init (EmpathyStreamedMediaHandler *obj)
+{
+ EmpathyStreamedMediaHandlerPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (obj,
+ EMPATHY_TYPE_STREAMED_MEDIA_HANDLER, EmpathyStreamedMediaHandlerPriv);
+
+ obj->priv = priv;
+}
+
+static void
+empathy_streamed_media_handler_constructed (GObject *object)
+{
+ EmpathyStreamedMediaHandlerPriv *priv = GET_PRIV (object);
+
+ if (priv->contact == NULL)
+ {
+ g_object_get (priv->call, "contact", &(priv->contact), NULL);
+ }
+}
+
+static void
+empathy_streamed_media_handler_set_property (GObject *object,
+ guint property_id, const GValue *value, GParamSpec *pspec)
+{
+ EmpathyStreamedMediaHandlerPriv *priv = GET_PRIV (object);
+
+ switch (property_id)
+ {
+ case PROP_CONTACT:
+ priv->contact = g_value_dup_object (value);
+ break;
+ case PROP_TP_STREAMED_MEDIA:
+ 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_streamed_media_handler_get_property (GObject *object,
+ guint property_id, GValue *value, GParamSpec *pspec)
+{
+ EmpathyStreamedMediaHandlerPriv *priv = GET_PRIV (object);
+
+ switch (property_id)
+ {
+ case PROP_CONTACT:
+ g_value_set_object (value, priv->contact);
+ break;
+ case PROP_TP_STREAMED_MEDIA:
+ 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_streamed_media_handler_class_init (EmpathyStreamedMediaHandlerClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GParamSpec *param_spec;
+
+ g_type_class_add_private (klass, sizeof (EmpathyStreamedMediaHandlerPriv));
+
+ object_class->constructed = empathy_streamed_media_handler_constructed;
+ object_class->set_property = empathy_streamed_media_handler_set_property;
+ object_class->get_property = empathy_streamed_media_handler_get_property;
+ object_class->dispose = empathy_streamed_media_handler_dispose;
+ object_class->finalize = empathy_streamed_media_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_STREAMED_MEDIA,
+ G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
+ g_object_class_install_property (object_class, PROP_TP_STREAMED_MEDIA, 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);
+
+ signals[CANDIDATES_CHANGED] =
+ g_signal_new ("candidates-changed", G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST, 0, NULL, NULL,
+ g_cclosure_marshal_VOID__UINT,
+ G_TYPE_NONE, 1, G_TYPE_UINT);
+}
+
+/**
+ * empathy_streamed_media_handler_new_for_contact:
+ * @contact: an #EmpathyContact
+ *
+ * Creates a new #EmpathyStreamedMediaHandler with contact @contact.
+ *
+ * Return value: a new #EmpathyStreamedMediaHandler
+ */
+EmpathyStreamedMediaHandler *
+empathy_streamed_media_handler_new_for_contact (EmpathyContact *contact)
+{
+ return EMPATHY_STREAMED_MEDIA_HANDLER (g_object_new (EMPATHY_TYPE_STREAMED_MEDIA_HANDLER,
+ "contact", contact, NULL));
+}
+
+EmpathyStreamedMediaHandler *
+empathy_streamed_media_handler_new_for_channel (EmpathyTpStreamedMedia *call)
+{
+ return EMPATHY_STREAMED_MEDIA_HANDLER (g_object_new (EMPATHY_TYPE_STREAMED_MEDIA_HANDLER,
+ "tp-call", call,
+ "initial-video", empathy_tp_streamed_media_is_receiving_video (call),
+ NULL));
+}
+
+static void
+update_sending_codec (EmpathyStreamedMediaHandler *self,
+ FsCodec *codec,
+ FsSession *session)
+{
+ EmpathyStreamedMediaHandlerPriv *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 (EmpathyStreamedMediaHandler *self,
+ GList *codecs,
+ FsStream *stream)
+{
+ EmpathyStreamedMediaHandlerPriv *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 (EmpathyStreamedMediaHandler *self,
+ FsCandidate *remote_candidate,
+ FsCandidate *local_candidate,
+ FsStream *stream)
+{
+ EmpathyStreamedMediaHandlerPriv *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");
+ }
+
+ g_signal_emit (G_OBJECT (self), signals[CANDIDATES_CHANGED], 0,
+ FS_MEDIA_TYPE_AUDIO);
+ }
+ 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_signal_emit (G_OBJECT (self), signals[CANDIDATES_CHANGED], 0,
+ FS_MEDIA_TYPE_VIDEO);
+ }
+
+ g_object_unref (session);
+}
+
+void
+empathy_streamed_media_handler_bus_message (EmpathyStreamedMediaHandler *handler,
+ GstBus *bus, GstMessage *message)
+{
+ EmpathyStreamedMediaHandlerPriv *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_streamed_media_handler_tf_channel_session_created_cb (TfChannel *tfchannel,
+ FsConference *conference, FsParticipant *participant,
+ EmpathyStreamedMediaHandler *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_streamed_media_handler_tf_stream_src_pad_added_cb (TfStream *stream,
+ GstPad *pad, FsCodec *codec, EmpathyStreamedMediaHandler *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_streamed_media_handler_tf_stream_request_resource_cb (TfStream *stream,
+ guint direction, EmpathyTpStreamedMedia *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_streamed_media_handler_tf_stream_closed_cb (TfStream *stream,
+ EmpathyStreamedMediaHandler *handler)
+{
+ g_signal_emit (handler, signals[STREAM_CLOSED], 0, stream);
+}
+
+static void
+empathy_streamed_media_handler_tf_channel_stream_created_cb (TfChannel *tfchannel,
+ TfStream *stream, EmpathyStreamedMediaHandler *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_streamed_media_handler_tf_stream_src_pad_added_cb), handler);
+ g_signal_connect (stream, "request-resource",
+ G_CALLBACK (empathy_streamed_media_handler_tf_stream_request_resource_cb),
+ handler);
+ g_signal_connect (stream, "closed",
+ G_CALLBACK (empathy_streamed_media_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_streamed_media_handler_tf_channel_closed_cb (TfChannel *tfchannel,
+ EmpathyStreamedMediaHandler *handler)
+{
+ g_signal_emit (G_OBJECT (handler), signals[CLOSED], 0);
+}
+
+static GList *
+empathy_streamed_media_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_streamed_media_handler_start_tpfs (EmpathyStreamedMediaHandler *self)
+{
+ EmpathyStreamedMediaHandlerPriv *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_streamed_media_handler_tf_channel_session_created_cb), self);
+ g_signal_connect (priv->tfchannel, "stream-created",
+ G_CALLBACK (empathy_streamed_media_handler_tf_channel_stream_created_cb), self);
+ g_signal_connect (priv->tfchannel, "closed",
+ G_CALLBACK (empathy_streamed_media_handler_tf_channel_closed_cb), self);
+ g_signal_connect (priv->tfchannel, "stream-get-codec-config",
+ G_CALLBACK (empathy_streamed_media_handler_tf_channel_codec_config_cb), self);
+
+ g_object_unref (channel);
+}
+
+static void
+empathy_streamed_media_handler_request_cb (GObject *source,
+ GAsyncResult *result,
+ gpointer user_data)
+{
+ EmpathyStreamedMediaHandler *self = EMPATHY_STREAMED_MEDIA_HANDLER (user_data);
+ EmpathyStreamedMediaHandlerPriv *priv = GET_PRIV (self);
+ TpChannel *channel;
+ GError *error = NULL;
+ TpAccountChannelRequest *req = TP_ACCOUNT_CHANNEL_REQUEST (source);
+ TpAccount *account;
+
+ channel = tp_account_channel_request_create_and_handle_channel_finish (req,
+ result, NULL, &error);
+ if (channel == NULL)
+ {
+ DEBUG ("Failed to create the channel: %s", error->message);
+ g_error_free (error);
+ return;
+ }
+
+ account = tp_account_channel_request_get_account (req);
+
+ priv->call = empathy_tp_streamed_media_new (account, channel);
+
+ g_object_notify (G_OBJECT (self), "tp-call");
+
+ empathy_streamed_media_handler_start_tpfs (self);
+
+ g_object_unref (channel);
+}
+
+void
+empathy_streamed_media_handler_start_call (EmpathyStreamedMediaHandler *handler,
+ gint64 timestamp)
+{
+ EmpathyStreamedMediaHandlerPriv *priv = GET_PRIV (handler);
+ TpAccountChannelRequest *req;
+ TpAccount *account;
+ GHashTable *request;
+
+ if (priv->call != NULL)
+ {
+ empathy_streamed_media_handler_start_tpfs (handler);
+ empathy_tp_streamed_media_accept_incoming_call (priv->call);
+ return;
+ }
+
+ /* No TpStreamedMedia object (we are redialing). Request a new media channel that
+ * will be used to create a new EmpathyTpStreamedMedia. */
+ g_assert (priv->contact != NULL);
+
+ account = empathy_contact_get_account (priv->contact);
+ request = empathy_call_factory_create_request (priv->contact,
+ priv->initial_audio, priv->initial_video);
+
+ req = tp_account_channel_request_new (account, request, timestamp);
+
+ tp_account_channel_request_create_and_handle_channel_async (req, NULL,
+ empathy_streamed_media_handler_request_cb, handler);
+
+ g_object_unref (req);
+ g_hash_table_unref (request);
+}
+
+/**
+ * empathy_streamed_media_handler_stop_call:
+ * @handler: an #EmpathyStreamedMediaHandler
+ *
+ * Closes the #EmpathyStreamedMediaHandler's call and frees its resources.
+ */
+void
+empathy_streamed_media_handler_stop_call (EmpathyStreamedMediaHandler *handler)
+{
+ EmpathyStreamedMediaHandlerPriv *priv = GET_PRIV (handler);
+
+ if (priv->call != NULL)
+ {
+ empathy_tp_streamed_media_leave (priv->call);
+ g_object_unref (priv->call);
+ }
+
+ priv->call = NULL;
+}
+
+/**
+ * empathy_streamed_media_handler_has_initial_video:
+ * @handler: an #EmpathyStreamedMediaHandler
+ *
+ * Return %TRUE if the call managed by this #EmpathyStreamedMediaHandler was
+ * created with video enabled
+ *
+ * Return value: %TRUE if the call was created as a video conversation.
+ */
+gboolean
+empathy_streamed_media_handler_has_initial_video (EmpathyStreamedMediaHandler *handler)
+{
+ EmpathyStreamedMediaHandlerPriv *priv = GET_PRIV (handler);
+
+ return priv->initial_video;
+}
+
+FsCodec *
+empathy_streamed_media_handler_get_send_audio_codec (EmpathyStreamedMediaHandler *self)
+{
+ EmpathyStreamedMediaHandlerPriv *priv = GET_PRIV (self);
+
+ return priv->send_audio_codec;
+}
+
+FsCodec *
+empathy_streamed_media_handler_get_send_video_codec (EmpathyStreamedMediaHandler *self)
+{
+ EmpathyStreamedMediaHandlerPriv *priv = GET_PRIV (self);
+
+ return priv->send_video_codec;
+}
+
+GList *
+empathy_streamed_media_handler_get_recv_audio_codecs (EmpathyStreamedMediaHandler *self)
+{
+ EmpathyStreamedMediaHandlerPriv *priv = GET_PRIV (self);
+
+ return priv->recv_audio_codecs;
+}
+
+GList *
+empathy_streamed_media_handler_get_recv_video_codecs (EmpathyStreamedMediaHandler *self)
+{
+ EmpathyStreamedMediaHandlerPriv *priv = GET_PRIV (self);
+
+ return priv->recv_video_codecs;
+}
+
+FsCandidate *
+empathy_streamed_media_handler_get_audio_remote_candidate (
+ EmpathyStreamedMediaHandler *self)
+{
+ EmpathyStreamedMediaHandlerPriv *priv = GET_PRIV (self);
+
+ return priv->audio_remote_candidate;
+}
+
+FsCandidate *
+empathy_streamed_media_handler_get_audio_local_candidate (
+ EmpathyStreamedMediaHandler *self)
+{
+ EmpathyStreamedMediaHandlerPriv *priv = GET_PRIV (self);
+
+ return priv->audio_local_candidate;
+}
+
+FsCandidate *
+empathy_streamed_media_handler_get_video_remote_candidate (
+ EmpathyStreamedMediaHandler *self)
+{
+ EmpathyStreamedMediaHandlerPriv *priv = GET_PRIV (self);
+
+ return priv->video_remote_candidate;
+}
+
+FsCandidate *
+empathy_streamed_media_handler_get_video_local_candidate (
+ EmpathyStreamedMediaHandler *self)
+{
+ EmpathyStreamedMediaHandlerPriv *priv = GET_PRIV (self);
+
+ return priv->video_local_candidate;
+}