static void gst_scream_queue_finalize(GObject *object)
{
GstScreamQueue *self = GST_SCREAM_QUEUE(object);
GstDataQueueItem *item;
while (!gst_data_queue_is_empty(self->approved_packets)) {
gst_data_queue_pop(self->approved_packets, &item);
item->destroy(item);
}
gst_object_unref(self->approved_packets);
while ((item = (GstDataQueueItem *)g_async_queue_try_pop(self->incoming_packets))) {
item->destroy(item);
}
g_async_queue_unref(self->incoming_packets);
g_hash_table_unref(self->streams);
g_hash_table_unref(self->adapted_stream_ids);
g_hash_table_unref(self->ignored_stream_ids);
if (self->scream_controller) {
g_object_unref(self->scream_controller);
}
G_OBJECT_CLASS(parent_class)->finalize (object);
}
static void gst_sctp_data_srcpad_loop(GstPad *pad)
{
GstSctpDecPad *sctpdec_pad = GST_SCTP_DEC_PAD(pad);
GstDataQueueItem *item;
if (gst_data_queue_pop(sctpdec_pad->packet_queue, &item)) {
GstFlowReturn flow_ret;
flow_ret = gst_pad_push(pad, GST_BUFFER(item->object));
item->object = NULL;
if (G_UNLIKELY(flow_ret == GST_FLOW_FLUSHING || flow_ret == GST_FLOW_NOT_LINKED)) {
GST_DEBUG_OBJECT(pad, "Push failed on packet source pad. Error: %s", gst_flow_get_name(flow_ret));
} else if (G_UNLIKELY(flow_ret != GST_FLOW_OK)) {
GST_ERROR_OBJECT(pad, "Push failed on packet source pad. Error: %s", gst_flow_get_name(flow_ret));
}
if (G_UNLIKELY(flow_ret != GST_FLOW_OK)) {
GST_DEBUG_OBJECT(pad, "Pausing task because of an error");
gst_data_queue_set_flushing(sctpdec_pad->packet_queue, TRUE);
gst_data_queue_flush(sctpdec_pad->packet_queue);
gst_pad_pause_task(pad);
}
item->destroy(item);
} else {
GST_DEBUG_OBJECT(pad, "Pausing task because we're flushing");
gst_pad_pause_task(pad);
}
}
static void clear_packet_queue(GstAtomicQueue *queue)
{
GstDataQueueItem *item;
while ((item = gst_atomic_queue_pop(queue))) {
item->destroy(item);
}
}
static void
gst_data_queue_cleanup (GstDataQueue * queue)
{
while (!g_queue_is_empty (queue->queue)) {
GstDataQueueItem *item = g_queue_pop_head (queue->queue);
/* Just call the destroy notify on the item */
item->destroy (item);
}
queue->cur_level.visible = 0;
queue->cur_level.bytes = 0;
queue->cur_level.time = 0;
}
static void
gst_data_queue_cleanup (GstDataQueue * queue)
{
GstDataQueuePrivate *priv = queue->priv;
while (!gst_queue_array_is_empty (priv->queue)) {
GstDataQueueItem *item = gst_queue_array_pop_head (priv->queue);
/* Just call the destroy notify on the item */
item->destroy (item);
}
priv->cur_level.visible = 0;
priv->cur_level.bytes = 0;
priv->cur_level.time = 0;
}
EXPORT_C
#endif
gboolean
gst_data_queue_drop_head (GstDataQueue * queue, GType type)
{
gboolean res = FALSE;
GList *item;
GstDataQueueItem *leak = NULL;
g_return_val_if_fail (GST_IS_DATA_QUEUE (queue), FALSE);
GST_DEBUG ("queue:%p", queue);
GST_DATA_QUEUE_MUTEX_LOCK (queue);
for (item = g_queue_peek_head_link (queue->queue); item; item = item->next) {
GstDataQueueItem *tmp = (GstDataQueueItem *) item->data;
if (G_TYPE_CHECK_INSTANCE_TYPE (tmp->object, type)) {
leak = tmp;
break;
}
}
if (!leak)
goto done;
g_queue_delete_link (queue->queue, item);
if (leak->visible)
queue->cur_level.visible--;
queue->cur_level.bytes -= leak->size;
queue->cur_level.time -= leak->duration;
leak->destroy (leak);
res = TRUE;
done:
GST_DATA_QUEUE_MUTEX_UNLOCK (queue);
GST_DEBUG ("queue:%p , res:%d", queue, res);
return res;
}
static GstFlowReturn
gst_eglglessink_queue_buffer (GstEglGlesSink * eglglessink, GstBuffer * buf)
{
GstDataQueueItem *item;
GstFlowReturn last_flow;
g_mutex_lock (eglglessink->render_lock);
last_flow = eglglessink->last_flow;
g_mutex_unlock (eglglessink->render_lock);
if (last_flow != GST_FLOW_OK)
return last_flow;
item = g_slice_new0 (GstDataQueueItem);
item->object = GST_MINI_OBJECT_CAST (buf);
item->size = (buf ? GST_BUFFER_SIZE (buf) : 0);
item->duration = (buf ? GST_BUFFER_DURATION (buf) : GST_CLOCK_TIME_NONE);
item->visible = (buf ? TRUE : FALSE);
item->destroy = (GDestroyNotify) queue_item_destroy;
GST_DEBUG_OBJECT (eglglessink, "Queueing buffer %" GST_PTR_FORMAT, buf);
if (buf)
g_mutex_lock (eglglessink->render_lock);
if (!gst_data_queue_push (eglglessink->queue, item)) {
item->destroy (item);
g_mutex_unlock (eglglessink->render_lock);
GST_DEBUG_OBJECT (eglglessink, "Flushing");
return GST_FLOW_WRONG_STATE;
}
if (buf) {
GST_DEBUG_OBJECT (eglglessink, "Waiting for buffer to be rendered");
g_cond_wait (eglglessink->render_cond, eglglessink->render_lock);
GST_DEBUG_OBJECT (eglglessink, "Buffer rendered: %s",
gst_flow_get_name (eglglessink->last_flow));
last_flow = eglglessink->last_flow;
g_mutex_unlock (eglglessink->render_lock);
}
return (buf ? last_flow : GST_FLOW_OK);
}
/**
* gst_data_queue_drop_head:
* @queue: The #GstDataQueue to drop an item from.
* @type: The #GType of the item to drop.
*
* Pop and unref the head-most #GstMiniObject with the given #GType.
*
* Returns: TRUE if an element was removed.
*
* Since: 1.2.0
*/
gboolean
gst_data_queue_drop_head (GstDataQueue * queue, GType type)
{
gboolean res = FALSE;
GstDataQueueItem *leak = NULL;
guint idx;
GstDataQueuePrivate *priv = queue->priv;
g_return_val_if_fail (GST_IS_DATA_QUEUE (queue), FALSE);
GST_DEBUG ("queue:%p", queue);
GST_DATA_QUEUE_MUTEX_LOCK (queue);
idx = gst_queue_array_find (priv->queue, is_of_type, GSIZE_TO_POINTER (type));
if (idx == -1)
goto done;
leak = gst_queue_array_drop_element (priv->queue, idx);
if (leak->visible)
priv->cur_level.visible--;
priv->cur_level.bytes -= leak->size;
priv->cur_level.time -= leak->duration;
leak->destroy (leak);
res = TRUE;
done:
GST_DATA_QUEUE_MUTEX_UNLOCK (queue);
GST_DEBUG ("queue:%p , res:%d", queue, res);
return res;
}
static gpointer
render_thread_func (GstEglGlesSink * eglglessink)
{
GstMessage *message;
GValue val = { 0 };
GstDataQueueItem *item = NULL;
GstFlowReturn last_flow = GST_FLOW_OK;
g_value_init (&val, G_TYPE_POINTER);
g_value_set_pointer (&val, g_thread_self ());
message = gst_message_new_stream_status (GST_OBJECT_CAST (eglglessink),
GST_STREAM_STATUS_TYPE_ENTER, GST_ELEMENT_CAST (eglglessink));
gst_message_set_stream_status_object (message, &val);
GST_DEBUG_OBJECT (eglglessink, "posting ENTER stream status");
gst_element_post_message (GST_ELEMENT_CAST (eglglessink), message);
g_value_unset (&val);
gst_egl_adaptation_bind_API (eglglessink->egl_context);
while (gst_data_queue_pop (eglglessink->queue, &item)) {
GstBuffer *buf = NULL;
GstMiniObject *object = item->object;
GST_DEBUG_OBJECT (eglglessink, "Handling object %" GST_PTR_FORMAT, object);
if (GST_IS_BUFFER (object)) {
GstCaps *caps;
buf = GST_BUFFER_CAST (item->object);
caps = GST_BUFFER_CAPS (buf);
if (caps != eglglessink->configured_caps) {
if (!gst_eglglessink_configure_caps (eglglessink, caps)) {
g_mutex_lock (eglglessink->render_lock);
eglglessink->last_flow = GST_FLOW_NOT_NEGOTIATED;
g_cond_broadcast (eglglessink->render_cond);
g_mutex_unlock (eglglessink->render_lock);
item->destroy (item);
break;
}
}
if (eglglessink->configured_caps) {
last_flow = gst_eglglessink_upload (eglglessink, buf);
if (last_flow == GST_FLOW_OK) {
last_flow = gst_eglglessink_render (eglglessink);
}
} else {
GST_DEBUG_OBJECT (eglglessink,
"No caps configured yet, not drawing anything");
}
} else if (!object) {
if (eglglessink->configured_caps) {
last_flow = gst_eglglessink_render (eglglessink);
} else {
last_flow = GST_FLOW_OK;
GST_DEBUG_OBJECT (eglglessink,
"No caps configured yet, not drawing anything");
}
} else {
g_assert_not_reached ();
}
item->destroy (item);
g_mutex_lock (eglglessink->render_lock);
eglglessink->last_flow = last_flow;
g_cond_broadcast (eglglessink->render_cond);
g_mutex_unlock (eglglessink->render_lock);
if (last_flow != GST_FLOW_OK)
break;
GST_DEBUG_OBJECT (eglglessink, "Successfully handled object");
}
if (last_flow == GST_FLOW_OK) {
g_mutex_lock (eglglessink->render_lock);
eglglessink->last_flow = GST_FLOW_WRONG_STATE;
g_cond_broadcast (eglglessink->render_cond);
g_mutex_unlock (eglglessink->render_lock);
}
GST_DEBUG_OBJECT (eglglessink, "Shutting down thread");
/* EGL/GLES cleanup */
gst_egl_adaptation_cleanup (eglglessink->egl_context);
if (eglglessink->configured_caps) {
gst_caps_unref (eglglessink->configured_caps);
eglglessink->configured_caps = NULL;
}
g_value_init (&val, G_TYPE_POINTER);
g_value_set_pointer (&val, g_thread_self ());
message = gst_message_new_stream_status (GST_OBJECT_CAST (eglglessink),
GST_STREAM_STATUS_TYPE_LEAVE, GST_ELEMENT_CAST (eglglessink));
gst_message_set_stream_status_object (message, &val);
GST_DEBUG_OBJECT (eglglessink, "posting LEAVE stream status");
gst_element_post_message (GST_ELEMENT_CAST (eglglessink), message);
g_value_unset (&val);
return NULL;
}