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plugins/elements/gstmultiqueue.c: Add functionality to extra-size-buffers property.

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Original commit message from CVS:
* plugins/elements/gstmultiqueue.c:
Add functionality to extra-size-buffers property.
This commit is contained in:
Thijs Vermeir 2008-06-22 19:19:35 +00:00
parent d7d1eecb97
commit 15b694fc7a
2 changed files with 57 additions and 63 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2008-06-22 Thijs Vermeir <thijsvermeir@gmail.com>
* plugins/elements/gstmultiqueue.c:
Add functionality to extra-size-buffers property.
2008-06-22 Thijs Vermeir <thijsvermeir@gmail.com>
* plugins/elements/gstmultiqueue.c:

115
plugins/elements/gstmultiqueue.c
View file

@ -2,6 +2,7 @@
* Copyright (C) 2006 Edward Hervey <edward@fluendo.com>
* Copyright (C) 2007 Jan Schmidt <jan@fluendo.com>
* Copyright (C) 2007 Wim Taymans <wim@fluendo.com>
* Copyright (C) 2008 Thijs Vermeir <thijsvermeir@gmail.com>
*
* gstmultiqueue.c:
*
@ -218,11 +219,11 @@ enum
};
#define GST_MULTI_QUEUE_MUTEX_LOCK(q) G_STMT_START { \
g_mutex_lock (q->qlock); \
g_mutex_lock (q->qlock); \
} G_STMT_END
#define GST_MULTI_QUEUE_MUTEX_UNLOCK(q) G_STMT_START { \
g_mutex_unlock (q->qlock); \
g_mutex_unlock (q->qlock); \
} G_STMT_END
static void gst_multi_queue_finalize (GObject * object);
@ -252,7 +253,8 @@ gst_multi_queue_base_init (gpointer g_class)
gst_element_class_set_details_simple (gstelement_class,
"MultiQueue",
"Generic", "Multiple data queue", "Edward Hervey <edward@fluendo.com>");
"Generic", "Multiple data queue", "Edward Hervey <edward@fluendo.com>\n"
"Thijs Vermeir <thijsvermeir@gmail.com>");
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&sinktemplate));
gst_element_class_add_pad_template (gstelement_class,
@ -379,13 +381,14 @@ gst_multi_queue_finalize (GObject * object)
G_OBJECT_CLASS (parent_class)->finalize (object);
}
#define SET_CHILD_PROPERTY(mq,format) G_STMT_START { \
GList * tmp = mq->queues; \
while (tmp) { \
GstSingleQueue *q = (GstSingleQueue*)tmp->data; \
#define SET_CHILD_PROPERTY(mq,format) G_STMT_START { \
GList * tmp = mq->queues; \
while (tmp) { \
GstSingleQueue *q = (GstSingleQueue*)tmp->data; \
q->max_size.format = mq->max_size.format; \
tmp = g_list_next(tmp); \
}; \
q->extra_size.format = mq->extra_size.format; \
tmp = g_list_next(tmp); \
}; \
} G_STMT_END
static void
@ -394,38 +397,37 @@ gst_multi_queue_set_property (GObject * object, guint prop_id,
{
GstMultiQueue *mq = GST_MULTI_QUEUE (object);
GST_MULTI_QUEUE_MUTEX_LOCK (mq);
switch (prop_id) {
case ARG_MAX_SIZE_BYTES:
GST_MULTI_QUEUE_MUTEX_LOCK (mq);
mq->max_size.bytes = g_value_get_uint (value);
SET_CHILD_PROPERTY (mq, bytes);
GST_MULTI_QUEUE_MUTEX_UNLOCK (mq);
break;
case ARG_MAX_SIZE_BUFFERS:
GST_MULTI_QUEUE_MUTEX_LOCK (mq);
mq->max_size.visible = g_value_get_uint (value);
SET_CHILD_PROPERTY (mq, visible);
GST_MULTI_QUEUE_MUTEX_UNLOCK (mq);
break;
case ARG_MAX_SIZE_TIME:
GST_MULTI_QUEUE_MUTEX_LOCK (mq);
mq->max_size.time = g_value_get_uint64 (value);
SET_CHILD_PROPERTY (mq, time);
GST_MULTI_QUEUE_MUTEX_UNLOCK (mq);
break;
case ARG_EXTRA_SIZE_BYTES:
mq->extra_size.bytes = g_value_get_uint (value);
SET_CHILD_PROPERTY (mq, bytes);
break;
case ARG_EXTRA_SIZE_BUFFERS:
mq->extra_size.visible = g_value_get_uint (value);
SET_CHILD_PROPERTY (mq, visible);
break;
case ARG_EXTRA_SIZE_TIME:
mq->extra_size.time = g_value_get_uint64 (value);
SET_CHILD_PROPERTY (mq, time);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
GST_MULTI_QUEUE_MUTEX_UNLOCK (mq);
}
static void
@ -501,7 +503,6 @@ no_parent:
}
}
/*
* GstElement methods
*/
@ -600,6 +601,7 @@ gst_single_queue_flush (GstMultiQueue * mq, GstSingleQueue * sq, gboolean flush)
sq->srcresult = GST_FLOW_OK;
sq->cur_time = 0;
sq->max_size.visible = mq->max_size.visible;
sq->extra_size.visible = mq->extra_size.visible;
sq->is_eos = FALSE;
sq->inextra = FALSE;
sq->nextid = 0;
@ -1279,61 +1281,48 @@ single_queue_overrun_cb (GstDataQueue * dq, GstSingleQueue * sq)
GstMultiQueue *mq = sq->mqueue;
GList *tmp;
GstDataQueueSize size;
gboolean filled = FALSE;
gboolean filled = TRUE;
gst_data_queue_get_level (sq->queue, &size);
GST_LOG_OBJECT (mq, "Single Queue %d is full", sq->id);
GST_MULTI_QUEUE_MUTEX_LOCK (mq);
for (tmp = mq->queues; tmp; tmp = g_list_next (tmp)) {
GstSingleQueue *ssq = (GstSingleQueue *) tmp->data;
GstDataQueueSize ssize;
GST_LOG_OBJECT (mq, "Checking Queue %d", ssq->id);
/* if we have reached max visible we can maybe bump this
* if another queue is empty, skip this if we can't grow anymore
*/
if (IS_FILLED (visible, size.visible) && sq->extra_size.visible > 0) {
for (tmp = mq->queues; tmp; tmp = g_list_next (tmp)) {
GstSingleQueue *ssq = (GstSingleQueue *) tmp->data;
if (gst_data_queue_is_empty (ssq->queue)) {
GST_LOG_OBJECT (mq, "Queue %d is empty", ssq->id);
if (IS_FILLED (visible, size.visible)) {
sq->max_size.visible = size.visible + 1;
if (ssq == sq)
continue;
if (gst_data_queue_is_empty (ssq->queue)) {
sq->max_size.visible++;
sq->extra_size.visible--;
GST_DEBUG_OBJECT (mq,
"Another queue is empty, bumping single queue %d max visible to %d",
sq->id, sq->max_size.visible);
"queue %d is empty, bumping single queue %d max visible to %d",
ssq->id, sq->id, sq->max_size.visible);
break;
}
GST_MULTI_QUEUE_MUTEX_UNLOCK (mq);
goto beach;
}
/* check if we reached the hard time/bytes limits */
gst_data_queue_get_level (ssq->queue, &ssize);
GST_DEBUG_OBJECT (mq,
"queue %d: visible %u/%u, bytes %u/%u, time %" G_GUINT64_FORMAT "/%"
G_GUINT64_FORMAT, ssq->id, ssize.visible, sq->max_size.visible,
ssize.bytes, sq->max_size.bytes, sq->cur_time, sq->max_size.time);
/* if this queue is filled completely we must signal overrun */
if (IS_FILLED (bytes, ssize.bytes) || IS_FILLED (time, sq->cur_time)) {
GST_LOG_OBJECT (mq, "Queue %d is filled", ssq->id);
filled = TRUE;
}
/* check if the queue is still full */
filled = gst_data_queue_is_full (sq->queue);
}
/* no queues were empty */
GST_MULTI_QUEUE_MUTEX_UNLOCK (mq);
/* Overrun is always forwarded, since this is blocking the upstream element */
if (filled) {
GST_DEBUG_OBJECT (mq, "A queue is filled, signalling overrun");
g_signal_emit (G_OBJECT (mq), gst_multi_queue_signals[SIGNAL_OVERRUN], 0);
}
beach:
return;
}
static void
single_queue_underrun_cb (GstDataQueue * dq, GstSingleQueue * sq)
{
gboolean empty = TRUE;
gboolean all_empty = TRUE;
GstMultiQueue *mq = sq->mqueue;
GList *tmp;
@ -1342,26 +1331,26 @@ single_queue_underrun_cb (GstDataQueue * dq, GstSingleQueue * sq)
GST_MULTI_QUEUE_MUTEX_LOCK (mq);
for (tmp = mq->queues; tmp; tmp = g_list_next (tmp)) {
GstSingleQueue *sq = (GstSingleQueue *) tmp->data;
GstSingleQueue *ssq = (GstSingleQueue *) tmp->data;
if (gst_data_queue_is_full (sq->queue)) {
GstDataQueueSize size;
if (sq == ssq)
continue;
gst_data_queue_get_level (sq->queue, &size);
if (IS_FILLED (visible, size.visible)) {
sq->max_size.visible = size.visible + 1;
GST_DEBUG_OBJECT (mq,
"queue %d is filled, bumping its max visible to %d", sq->id,
sq->max_size.visible);
gst_data_queue_limits_changed (sq->queue);
}
/* prevent data starvation */
if (gst_data_queue_is_full (ssq->queue)) {
single_queue_overrun_cb (dq, ssq);
all_empty = FALSE;
break;
}
if (!gst_data_queue_is_empty (ssq->queue)) {
all_empty = FALSE;
break;
}
if (!gst_data_queue_is_empty (sq->queue))
empty = FALSE;
}
GST_MULTI_QUEUE_MUTEX_UNLOCK (mq);
if (empty) {
if (all_empty) {
GST_DEBUG_OBJECT (mq, "All queues are empty, signalling it");
g_signal_emit (G_OBJECT (mq), gst_multi_queue_signals[SIGNAL_UNDERRUN], 0);
}
@ -1442,7 +1431,7 @@ gst_single_queue_new (GstMultiQueue * mqueue)
sq->oldid = 0;
sq->turn = g_cond_new ();
/* attach to underrun/overrun signals to handle non-starvation */
/* attach to underrun/overrun signals to handle non-starvation */
g_signal_connect (G_OBJECT (sq->queue), "full",
G_CALLBACK (single_queue_overrun_cb), sq);
g_signal_connect (G_OBJECT (sq->queue), "empty",