static GstFlowReturn
clutter_gst_video_sink_render (GstBaseSink *bsink,
GstBuffer *buffer)
{
ClutterGstVideoSink *sink;
ClutterGstVideoSinkPrivate *priv;
sink = CLUTTER_GST_VIDEO_SINK (bsink);
priv = sink->priv;
g_mutex_lock (priv->buffer_lock);
if (priv->buffer)
{
gst_buffer_unref (priv->buffer);
}
priv->buffer = gst_buffer_ref (buffer);
if (priv->idle_id == 0)
{
priv->idle_id = clutter_threads_add_idle_full (G_PRIORITY_HIGH_IDLE,
clutter_gst_video_sink_idle_func,
sink,
NULL);
/* the lock must be held when adding this idle, if it is not the idle
* callback would be invoked before priv->idle_id had been assigned
*/
}
g_mutex_unlock (priv->buffer_lock);
return GST_FLOW_OK;
}
static void
do_something_very_slow (void)
{
TestThreadData *data;
gint i;
data = (TestThreadData *) g_static_private_get (&test_thread_data);
if (data->cancelled)
return;
for (i = 0; i < 100; i++)
{
gint msecs;
msecs = 1 + (int) (100.0 * rand () / ((RAND_MAX + 1.0) / 3));
/* sleep for a while */
g_usleep (msecs * 1000);
if ((i % 10) == 0)
{
TestUpdate *update;
update = g_new (TestUpdate, 1);
update->count = i;
update->thread_data = data;
clutter_threads_add_idle_full (G_PRIORITY_DEFAULT + 30,
update_label_idle,
update, NULL);
}
}
}
static gpointer
test_thread_func (gpointer user_data)
{
TestThreadData *data;
data = user_data;
g_static_private_set (&test_thread_data, data, NULL);
do_something_very_slow ();
clutter_threads_add_idle_full (G_PRIORITY_DEFAULT + 30,
test_thread_done_idle,
data, NULL);
return NULL;
}
/* fakesink handoff callback */
void
on_gst_buffer (GstElement * element, GstBuffer * buf, GstPad * pad,
ClutterActor * texture_actor)
{
GAsyncQueue *queue_input_buf = NULL;
GAsyncQueue *queue_output_buf = NULL;
/* ref then push buffer to use it in clutter */
gst_buffer_ref (buf);
queue_input_buf =
g_object_get_data (G_OBJECT (texture_actor), "queue_input_buf");
g_async_queue_push (queue_input_buf, buf);
if (g_async_queue_length (queue_input_buf) > 2)
clutter_threads_add_idle_full (G_PRIORITY_HIGH, update_texture_actor,
texture_actor, NULL);
/* pop then unref buffer we have finished to use in clutter */
queue_output_buf =
g_object_get_data (G_OBJECT (texture_actor), "queue_output_buf");
if (g_async_queue_length (queue_output_buf) > 2) {
GstBuffer *buf_old = g_async_queue_pop (queue_output_buf);
gst_buffer_unref (buf_old);
}
}
