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plugins/multiqueue: Cache input/output time, avoid expensive calls.

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* Cache the input/output time
* Only recalculate it when needed.

Avoids 50% calls to gst_segment_to_running_time
This commit is contained in:
Edward Hervey 2009-09-28 15:24:02 +02:00
parent cfb4aa4627
commit c15879f94e
1 changed files with 41 additions and 9 deletions
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50
plugins/elements/gstmultiqueue.c
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@ -133,9 +133,16 @@ struct _GstSingleQueue
/* flowreturn of previous srcpad push */
GstFlowReturn srcresult;
/* segments */
GstSegment sink_segment;
GstSegment src_segment;
/* position of src/sink */
GstClockTime sinktime, srctime;
/* TRUE if either position needs to be recalculated */
gboolean sink_tainted, src_tainted;
/* queue of data */
GstDataQueue *queue;
GstDataQueueSize max_size, extra_size;
@ -592,6 +599,7 @@ gst_single_queue_flush (GstMultiQueue * mq, GstSingleQueue * sq, gboolean flush)
GST_LOG_OBJECT (mq, "SingleQueue %d : pausing task", sq->id);
result = gst_pad_pause_task (sq->srcpad);
sq->sink_tainted = sq->src_tainted = TRUE;
} else {
gst_data_queue_flush (sq->queue);
gst_segment_init (&sq->sink_segment, GST_FORMAT_TIME);
@ -622,16 +630,25 @@ update_time_level (GstMultiQueue * mq, GstSingleQueue * sq)
{
gint64 sink_time, src_time;
sink_time =
gst_segment_to_running_time (&sq->sink_segment, GST_FORMAT_TIME,
sq->sink_segment.last_stop);
if (sink_time == GST_CLOCK_TIME_NONE)
goto beach;
if (sq->sink_tainted) {
sink_time = sq->sinktime =
gst_segment_to_running_time (&sq->sink_segment, GST_FORMAT_TIME,
sq->sink_segment.last_stop);
if (sink_time == GST_CLOCK_TIME_NONE)
goto beach;
sq->sink_tainted = FALSE;
} else
sink_time = sq->sinktime;
src_time = gst_segment_to_running_time (&sq->src_segment, GST_FORMAT_TIME,
sq->src_segment.last_stop);
if (src_time == GST_CLOCK_TIME_NONE)
goto beach;
if (sq->src_tainted) {
src_time = sq->srctime =
gst_segment_to_running_time (&sq->src_segment, GST_FORMAT_TIME,
sq->src_segment.last_stop);
if (src_time == GST_CLOCK_TIME_NONE)
goto beach;
sq->src_tainted = FALSE;
} else
src_time = sq->srctime;
GST_DEBUG_OBJECT (mq,
"queue %d, sink %" GST_TIME_FORMAT ", src %" GST_TIME_FORMAT, sq->id,
@ -680,6 +697,11 @@ apply_segment (GstMultiQueue * mq, GstSingleQueue * sq, GstEvent * event,
gst_segment_set_newsegment_full (segment, update,
rate, arate, format, start, stop, time);
if (segment == &sq->sink_segment)
sq->sink_tainted = TRUE;
else
sq->src_tainted = TRUE;
GST_DEBUG_OBJECT (mq,
"queue %d, configured NEWSEGMENT %" GST_SEGMENT_FORMAT, sq->id, segment);
@ -710,6 +732,11 @@ apply_buffer (GstMultiQueue * mq, GstSingleQueue * sq, GstClockTime timestamp,
gst_segment_set_last_stop (segment, GST_FORMAT_TIME, timestamp);
if (segment == &sq->sink_segment)
sq->sink_tainted = TRUE;
else
sq->src_tainted = TRUE;
/* calc diff with other end */
update_time_level (mq, sq);
GST_MULTI_QUEUE_MUTEX_UNLOCK (mq);
@ -1440,6 +1467,11 @@ gst_single_queue_new (GstMultiQueue * mqueue)
sq->oldid = 0;
sq->turn = g_cond_new ();
sq->sinktime = GST_CLOCK_TIME_NONE;
sq->srctime = GST_CLOCK_TIME_NONE;
sq->sink_tainted = TRUE;
sq->src_tainted = TRUE;
tmp = g_strdup_printf ("sink%d", sq->id);
sq->sinkpad = gst_pad_new_from_static_template (&sinktemplate, tmp);
g_free (tmp);