static void
gst_bus_dispose (GObject * object)
{
GstBus *bus;
bus = GST_BUS (object);
if (bus->queue) {
GstMessage *message;
g_mutex_lock (bus->queue_lock);
do {
message = g_queue_pop_head (bus->queue);
if (message)
gst_message_unref (message);
} while (message != NULL);
g_queue_free (bus->queue);
bus->queue = NULL;
g_mutex_unlock (bus->queue_lock);
g_mutex_free (bus->queue_lock);
bus->queue_lock = NULL;
g_cond_free (bus->priv->queue_cond);
bus->priv->queue_cond = NULL;
}
if (bus->priv->main_context) {
g_main_context_unref (bus->priv->main_context);
bus->priv->main_context = NULL;
}
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
gst_bus_dispose (GObject * object)
{
GstBus *bus = GST_BUS (object);
if (bus->priv->queue) {
GstMessage *message;
g_mutex_lock (&bus->priv->queue_lock);
do {
message = gst_atomic_queue_pop (bus->priv->queue);
if (message)
gst_message_unref (message);
} while (message != NULL);
gst_atomic_queue_unref (bus->priv->queue);
bus->priv->queue = NULL;
g_mutex_unlock (&bus->priv->queue_lock);
g_mutex_clear (&bus->priv->queue_lock);
if (bus->priv->poll)
gst_poll_free (bus->priv->poll);
bus->priv->poll = NULL;
}
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void on_pipeline_proxy_signal(GDBusProxy *proxy, gchar *sender_name, gchar *signal_name,
GVariant *parameters, gpointer user_data)
{
GstBus *bus = GST_BUS(user_data);
g_print("Sender name: %s\n", sender_name);
g_print("signal name: %s\n", signal_name);
}
static void
gst_bus_finalize (GObject * object)
{
GstBus *bus = GST_BUS (object);
if (bus->priv->sync_handler_notify)
bus->priv->sync_handler_notify (bus->priv->sync_handler_data);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gst_bus_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstBus *bus;
bus = GST_BUS (object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static VALUE
rg_set_xwindow_id_with_buswatch(VALUE self, VALUE bus,
VALUE x_window_id)
{
struct xid_callback_data* xid_cb_data;
GObject *sink;
xid_cb_data = g_slice_new(struct xid_callback_data);
xid_cb_data->xid = NUM2ULL(x_window_id);
xid_cb_data->bus = RVAL2GOBJ(bus);
sink = RVAL2GOBJ(self);
g_object_set_qdata_full(sink, xoverlay_xid_data_quark,
xid_cb_data, xid_callback_data_destroy_cb);
gst_bus_enable_sync_message_emission(GST_BUS(xid_cb_data->bus));
xid_cb_data->cb_id =
g_signal_connect_object(xid_cb_data->bus, "sync-message",
G_CALLBACK(bus_sync_func_cb), sink, 0);
return self;
}
/**
* 初始化声音系统.
*/
void SoundSystem::InitSublayer()
{
GstElement *pipeline;
GstElement *filesrc, *decode, *volume, *convert, *sink;
GstBus *bus;
gst_init(NULL, NULL);
pipeline = gst_pipeline_new("sound-system");
g_datalist_set_data_full(&eltset, "pipeline-element", pipeline,
GDestroyNotify(gst_object_unref));
filesrc = gst_element_factory_make("filesrc", "source");
g_datalist_set_data(&eltset, "filesrc-element", filesrc);
decode = gst_element_factory_make("decodebin", "decode");
g_datalist_set_data(&eltset, "decode-element", decode);
volume = gst_element_factory_make("volume", "volume");
g_datalist_set_data(&eltset, "volume-element", volume);
convert = gst_element_factory_make("audioconvert", "convert");
g_datalist_set_data(&eltset, "convert-element", convert);
sink = gst_element_factory_make("autoaudiosink", "output");
g_datalist_set_data(&eltset, "output-element", sink);
gst_bin_add_many(GST_BIN(pipeline), filesrc, decode, volume, convert, sink, NULL);
gst_element_link_many(filesrc, decode, NULL);
gst_element_link_many(volume, convert, sink, NULL);
g_signal_connect_swapped(decode, "pad-added", G_CALLBACK(LinkElement), &eltset);
bus = gst_pipeline_get_bus(GST_PIPELINE(pipeline));
gst_bus_add_signal_watch(GST_BUS(bus));
g_signal_connect_swapped(bus, "message::error",
G_CALLBACK(ErrorMessageOccur), this);
g_signal_connect_swapped(bus, "message::eos",
G_CALLBACK(EosMessageOccur), this);
gst_object_unref(bus);
g_object_set(volume, "volume", progdt.volume, NULL);
}
GstElement *
purple_media_manager_get_pipeline(PurpleMediaManager *manager)
{
#ifdef USE_VV
g_return_val_if_fail(PURPLE_IS_MEDIA_MANAGER(manager), NULL);
if (manager->priv->pipeline == NULL) {
FsElementAddedNotifier *notifier;
gchar *filename;
GError *err = NULL;
GKeyFile *keyfile;
GstBus *bus;
manager->priv->pipeline = gst_pipeline_new(NULL);
bus = gst_pipeline_get_bus(
GST_PIPELINE(manager->priv->pipeline));
gst_bus_add_signal_watch(GST_BUS(bus));
g_signal_connect(G_OBJECT(bus), "message",
G_CALLBACK(pipeline_bus_call), manager);
gst_bus_set_sync_handler(bus,
gst_bus_sync_signal_handler, NULL);
gst_object_unref(bus);
filename = g_build_filename(purple_user_dir(),
"fs-element.conf", NULL);
keyfile = g_key_file_new();
if (!g_key_file_load_from_file(keyfile, filename,
G_KEY_FILE_NONE, &err)) {
if (err->code == 4)
purple_debug_info("mediamanager",
"Couldn't read "
"fs-element.conf: %s\n",
err->message);
else
purple_debug_error("mediamanager",
"Error reading "
"fs-element.conf: %s\n",
err->message);
g_error_free(err);
}
g_free(filename);
/* Hack to make alsasrc stop messing up audio timestamps */
if (!g_key_file_has_key(keyfile,
"alsasrc", "slave-method", NULL)) {
g_key_file_set_integer(keyfile,
"alsasrc", "slave-method", 2);
}
notifier = fs_element_added_notifier_new();
fs_element_added_notifier_add(notifier,
GST_BIN(manager->priv->pipeline));
fs_element_added_notifier_set_properties_from_keyfile(
notifier, keyfile);
gst_element_set_state(manager->priv->pipeline,
GST_STATE_PLAYING);
}
return manager->priv->pipeline;
#else
return NULL;
#endif
}
