gboolean
purple_media_manager_register_element(PurpleMediaManager *manager,
PurpleMediaElementInfo *info)
{
#ifdef USE_VV
PurpleMediaElementInfo *info2;
gchar *id;
g_return_val_if_fail(PURPLE_IS_MEDIA_MANAGER(manager), FALSE);
g_return_val_if_fail(info != NULL, FALSE);
id = purple_media_element_info_get_id(info);
info2 = purple_media_manager_get_element_info(manager, id);
g_free(id);
if (info2 != NULL) {
g_object_unref(info2);
return FALSE;
}
manager->priv->elements =
g_list_prepend(manager->priv->elements, info);
return TRUE;
#else
return FALSE;
#endif
}
PurpleMediaElementInfo *
purple_media_manager_get_element_info(PurpleMediaManager *manager,
const gchar *id)
{
#ifdef USE_VV
GList *iter;
g_return_val_if_fail(PURPLE_IS_MEDIA_MANAGER(manager), NULL);
iter = manager->priv->elements;
for (; iter; iter = g_list_next(iter)) {
gchar *element_id =
purple_media_element_info_get_id(iter->data);
if (!strcmp(element_id, id)) {
g_free(element_id);
g_object_ref(iter->data);
return iter->data;
}
g_free(element_id);
}
#endif
return NULL;
}
static void
set_element_info_cond(PurpleMediaElementInfo *old_info,
PurpleMediaElementInfo *new_info, const gchar *id)
{
gchar *element_id = purple_media_element_info_get_id(old_info);
if (!strcmp(element_id, id))
purple_media_manager_set_active_element(
purple_media_manager_get(), new_info);
g_free(element_id);
}
gboolean
purple_media_manager_set_active_element(PurpleMediaManager *manager,
PurpleMediaElementInfo *info)
{
#ifdef USE_VV
PurpleMediaElementInfo *info2;
PurpleMediaElementType type;
gboolean ret = FALSE;
gchar *id;
g_return_val_if_fail(PURPLE_IS_MEDIA_MANAGER(manager), FALSE);
g_return_val_if_fail(info != NULL, FALSE);
id = purple_media_element_info_get_id(info);
info2 = purple_media_manager_get_element_info(manager, id);
g_free(id);
if (info2 == NULL)
purple_media_manager_register_element(manager, info);
else
g_object_unref(info2);
type = purple_media_element_info_get_element_type(info);
if (type & PURPLE_MEDIA_ELEMENT_SRC) {
if (type & PURPLE_MEDIA_ELEMENT_AUDIO) {
manager->priv->audio_src = info;
ret = TRUE;
}
if (type & PURPLE_MEDIA_ELEMENT_VIDEO) {
manager->priv->video_src = info;
ret = TRUE;
}
}
if (type & PURPLE_MEDIA_ELEMENT_SINK) {
if (type & PURPLE_MEDIA_ELEMENT_AUDIO) {
manager->priv->audio_sink = info;
ret = TRUE;
}
if (type & PURPLE_MEDIA_ELEMENT_VIDEO) {
manager->priv->video_sink = info;
ret = TRUE;
}
}
return ret;
#else
return FALSE;
#endif
}
void
purple_media_manager_set_video_caps(PurpleMediaManager *manager, GstCaps *caps)
{
#ifdef USE_VV
if (manager->priv->video_caps)
gst_caps_unref(manager->priv->video_caps);
manager->priv->video_caps = caps;
if (manager->priv->pipeline && manager->priv->video_src) {
gchar *id = purple_media_element_info_get_id(manager->priv->video_src);
GstElement *src = gst_bin_get_by_name(GST_BIN(manager->priv->pipeline), id);
if (src) {
GstElement *capsfilter = gst_bin_get_by_name(GST_BIN(src), "prpl_video_caps");
g_object_set(G_OBJECT(capsfilter), "caps", caps, NULL);
}
g_free(id);
}
#endif
}
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
}
