static void
pidgin_media_disconnect_levels(PurpleMedia *media, PidginMedia *gtkmedia)
{
PurpleMediaManager *manager = purple_media_get_manager(media);
GstElement *element = purple_media_manager_get_pipeline(manager);
gulong handler_id = g_signal_handler_find(G_OBJECT(gst_pipeline_get_bus(GST_PIPELINE(element))),
G_SIGNAL_MATCH_FUNC | G_SIGNAL_MATCH_DATA, 0, 0,
NULL, G_CALLBACK(level_message_cb), gtkmedia);
if (handler_id)
g_signal_handler_disconnect(G_OBJECT(gst_pipeline_get_bus(GST_PIPELINE(element))),
handler_id);
}
struct sipe_backend_media *
sipe_backend_media_new(struct sipe_core_public *sipe_public,
struct sipe_media_call *call,
const gchar *participant,
gboolean initiator)
{
struct sipe_backend_media *media = g_new0(struct sipe_backend_media, 1);
struct sipe_backend_private *purple_private = sipe_public->backend_private;
PurpleMediaManager *manager = purple_media_manager_get();
GstElement *pipeline;
media->m = purple_media_manager_create_media(manager,
purple_private->account,
"fsrtpconference",
participant, initiator);
g_signal_connect(G_OBJECT(media->m), "candidates-prepared",
G_CALLBACK(on_candidates_prepared_cb), call);
g_signal_connect(G_OBJECT(media->m), "codecs-changed",
G_CALLBACK(on_codecs_changed_cb), call);
g_signal_connect(G_OBJECT(media->m), "stream-info",
G_CALLBACK(on_stream_info_cb), call);
g_signal_connect(G_OBJECT(media->m), "error",
G_CALLBACK(on_error_cb), call);
g_signal_connect(G_OBJECT(media->m), "state-changed",
G_CALLBACK(on_state_changed_cb), call);
/* On error, the pipeline is no longer in PLAYING state and libpurple
* will not switch it back to PLAYING, preventing any more calls until
* application restart. We switch the state ourselves here to negate
* effect of any error in previous call (if any). */
pipeline = purple_media_manager_get_pipeline(manager);
gst_element_set_state(pipeline, GST_STATE_PLAYING);
return media;
}
GstElement *
purple_media_manager_get_element(PurpleMediaManager *manager,
PurpleMediaSessionType type, PurpleMedia *media,
const gchar *session_id, const gchar *participant)
{
#ifdef USE_VV
GstElement *ret = NULL;
PurpleMediaElementInfo *info = NULL;
PurpleMediaElementType element_type;
if (type & PURPLE_MEDIA_SEND_AUDIO)
info = manager->priv->audio_src;
else if (type & PURPLE_MEDIA_RECV_AUDIO)
info = manager->priv->audio_sink;
else if (type & PURPLE_MEDIA_SEND_VIDEO)
info = manager->priv->video_src;
else if (type & PURPLE_MEDIA_RECV_VIDEO)
info = manager->priv->video_sink;
if (info == NULL)
return NULL;
element_type = purple_media_element_info_get_element_type(info);
if (element_type & PURPLE_MEDIA_ELEMENT_UNIQUE &&
element_type & PURPLE_MEDIA_ELEMENT_SRC) {
GstElement *tee;
GstPad *pad;
GstPad *ghost;
gchar *id = purple_media_element_info_get_id(info);
ret = gst_bin_get_by_name(GST_BIN(
purple_media_manager_get_pipeline(
manager)), id);
if (ret == NULL) {
GstElement *bin, *fakesink;
ret = purple_media_element_info_call_create(info,
media, session_id, participant);
bin = gst_bin_new(id);
tee = gst_element_factory_make("tee", "tee");
gst_bin_add_many(GST_BIN(bin), ret, tee, NULL);
if (type & PURPLE_MEDIA_SEND_VIDEO) {
GstElement *videoscale;
GstElement *capsfilter;
videoscale = gst_element_factory_make("videoscale", NULL);
capsfilter = gst_element_factory_make("capsfilter", "prpl_video_caps");
g_object_set(G_OBJECT(capsfilter),
"caps", purple_media_manager_get_video_caps(manager), NULL);
gst_bin_add_many(GST_BIN(bin), videoscale, capsfilter, NULL);
gst_element_link_many(ret, videoscale, capsfilter, tee, NULL);
} else
gst_element_link(ret, tee);
/*
* This shouldn't be necessary, but it stops it from
* giving a not-linked error upon destruction
*/
fakesink = gst_element_factory_make("fakesink", NULL);
g_object_set(fakesink, "sync", FALSE, NULL);
gst_bin_add(GST_BIN(bin), fakesink);
gst_element_link(tee, fakesink);
ret = bin;
gst_object_ref(ret);
gst_bin_add(GST_BIN(purple_media_manager_get_pipeline(
manager)), ret);
}
g_free(id);
tee = gst_bin_get_by_name(GST_BIN(ret), "tee");
pad = gst_element_get_request_pad(tee, "src%d");
gst_object_unref(tee);
ghost = gst_ghost_pad_new(NULL, pad);
gst_object_unref(pad);
g_signal_connect(GST_PAD(ghost), "unlinked",
G_CALLBACK(request_pad_unlinked_cb), NULL);
gst_pad_set_active(ghost, TRUE);
gst_element_add_pad(ret, ghost);
} else {
ret = purple_media_element_info_call_create(info,
media, session_id, participant);
}
if (ret == NULL)
purple_debug_error("media", "Error creating source or sink\n");
return ret;
#else
return NULL;
#endif
}
void
capture_pipeline(const gchar *label) {
PurpleMediaManager *manager = purple_media_manager_get();
GstElement *pipeline = purple_media_manager_get_pipeline(manager);
GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS(GST_BIN(pipeline), GST_DEBUG_GRAPH_SHOW_ALL, label);
}
