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queue2: use GstQueueArray

Browse source 
When using queue2 as a queue it was using GQueue with
individually allocated queue items, so two allocs for
each item. With GstQueueArray we can avoid those.

https://bugzilla.gnome.org/show_bug.cgi?id=796483
This commit is contained in:
Dimitrios Katsaros 2018-06-02 14:02:19 +02:00 committed by Tim-Philipp Müller
parent 51b97d7403
commit ac7f8b6337
2 changed files with 16 additions and 18 deletions
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31
plugins/elements/gstqueue2.c
View file

@ -190,7 +190,7 @@ enum
queue->max_level.time, \
(guint64) (!QUEUE_IS_USING_QUEUE(queue) ? \
queue->current->writing_pos - queue->current->max_reading_pos : \
queue->queue.length))
gst_queue_array_get_length(queue->queue)))
#define GST_QUEUE2_MUTEX_LOCK(q) G_STMT_START { \
g_mutex_lock (&q->qlock); \
@ -524,7 +524,7 @@ gst_queue2_init (GstQueue2 * queue)
g_cond_init (&queue->item_add);
queue->waiting_del = FALSE;
g_cond_init (&queue->item_del);
g_queue_init (&queue->queue);
queue->queue = gst_queue_array_new_for_struct (sizeof (GstQueue2Item), 32);
g_cond_init (&queue->query_handled);
queue->last_query = FALSE;
@ -549,19 +549,17 @@ static void
gst_queue2_finalize (GObject * object)
{
GstQueue2 *queue = GST_QUEUE2 (object);
GstQueue2Item *qitem;
GST_DEBUG_OBJECT (queue, "finalizing queue");
while (!g_queue_is_empty (&queue->queue)) {
GstQueue2Item *qitem = g_queue_pop_head (&queue->queue);
while ((qitem = gst_queue_array_pop_head_struct (queue->queue))) {
if (qitem->type != GST_QUEUE2_ITEM_TYPE_QUERY)
gst_mini_object_unref (qitem->item);
g_slice_free (GstQueue2Item, qitem);
}
gst_queue_array_free (queue->queue);
queue->last_query = FALSE;
g_queue_clear (&queue->queue);
g_mutex_clear (&queue->qlock);
g_mutex_clear (&queue->buffering_post_lock);
g_cond_clear (&queue->item_add);
@ -1768,9 +1766,9 @@ gst_queue2_locked_flush (GstQueue2 * queue, gboolean full, gboolean clear_temp)
gst_queue2_flush_temp_file (queue);
init_ranges (queue);
} else {
while (!g_queue_is_empty (&queue->queue)) {
GstQueue2Item *qitem = g_queue_pop_head (&queue->queue);
GstQueue2Item *qitem;
while ((qitem = gst_queue_array_pop_head_struct (queue->queue))) {
if (!full && qitem->type == GST_QUEUE2_ITEM_TYPE_EVENT
&& GST_EVENT_IS_STICKY (qitem->item)
&& GST_EVENT_TYPE (qitem->item) != GST_EVENT_SEGMENT
@ -1783,7 +1781,6 @@ gst_queue2_locked_flush (GstQueue2 * queue, gboolean full, gboolean clear_temp)
data when flushing */
if (qitem->type != GST_QUEUE2_ITEM_TYPE_QUERY)
gst_mini_object_unref (qitem->item);
g_slice_free (GstQueue2Item, qitem);
}
}
queue->last_query = FALSE;
@ -2299,10 +2296,11 @@ gst_queue2_locked_enqueue (GstQueue2 * queue, gpointer item,
update_buffering (queue);
if (QUEUE_IS_USING_QUEUE (queue)) {
GstQueue2Item *qitem = g_slice_new (GstQueue2Item);
qitem->type = item_type;
qitem->item = item;
g_queue_push_tail (&queue->queue, qitem);
GstQueue2Item qitem;
qitem.type = item_type;
qitem.item = item;
gst_queue_array_push_tail_struct (queue->queue, &qitem);
} else {
gst_mini_object_unref (GST_MINI_OBJECT_CAST (item));
}
@ -2334,13 +2332,12 @@ gst_queue2_locked_dequeue (GstQueue2 * queue, GstQueue2ItemType * item_type)
if (!QUEUE_IS_USING_QUEUE (queue)) {
item = gst_queue2_read_item_from_file (queue);
} else {
GstQueue2Item *qitem = g_queue_pop_head (&queue->queue);
GstQueue2Item *qitem = gst_queue_array_pop_head_struct (queue->queue);
if (qitem == NULL)
goto no_item;
item = qitem->item;
g_slice_free (GstQueue2Item, qitem);
}
if (item == NULL)
@ -2709,7 +2706,7 @@ gst_queue2_is_empty (GstQueue2 * queue)
if (!QUEUE_IS_USING_QUEUE (queue) && queue->current) {
return queue->current->writing_pos <= queue->current->max_reading_pos;
} else {
if (queue->queue.length == 0)
if (gst_queue_array_get_length (queue->queue) == 0)
return TRUE;
}

3
plugins/elements/gstqueue2.h
View file

@ -26,6 +26,7 @@
#include <gst/gst.h>
#include <stdio.h>
#include <gst/base/gstqueuearray.h>
G_BEGIN_DECLS
@ -98,7 +99,7 @@ struct _GstQueue2
gboolean unexpected;
/* the queue of data we're keeping our hands on */
GQueue queue;
GstQueueArray *queue;
GCond query_handled;
gboolean last_query; /* result of last serialized query */