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aggregator: Streamline latency calculations

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Min latency can never be invalid, latency property can never be invalid
either. So no need to check for all these things in various places.
This commit is contained in:
Sebastian Dröge 2015-02-06 10:59:27 +01:00
parent 65b1db2aa2
commit a5002ea59d
1 changed files with 7 additions and 18 deletions
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25
gst-libs/gst/base/gstaggregator.c
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@ -571,12 +571,7 @@ gst_aggregator_wait_and_check (GstAggregator * self, gboolean * timeout)
gst_object_ref (clock);
time = base_time + start;
if (GST_CLOCK_TIME_IS_VALID (latency_min)) {
time += latency_min;
} else {
time += self->priv->latency;
}
time += latency_min;
GST_DEBUG_OBJECT (self, "possibly waiting for clock to reach %"
GST_TIME_FORMAT " (base %" GST_TIME_FORMAT " start %" GST_TIME_FORMAT
@ -1148,7 +1143,6 @@ void
gst_aggregator_get_latency_unlocked (GstAggregator * self, gboolean * live,
GstClockTime * min_latency, GstClockTime * max_latency)
{
GstClockTime our_latency;
GstClockTime min, max;
g_return_if_fail (GST_IS_AGGREGATOR (self));
@ -1157,12 +1151,12 @@ gst_aggregator_get_latency_unlocked (GstAggregator * self, gboolean * live,
min = self->priv->latency_min;
max = self->priv->latency_max;
/* add our own */
min += self->priv->latency;
min += self->priv->sub_latency_min;
if (GST_CLOCK_TIME_IS_VALID (max)
&& GST_CLOCK_TIME_IS_VALID (self->priv->sub_latency_max))
max += self->priv->sub_latency_max;
our_latency = self->priv->latency;
else if (GST_CLOCK_TIME_IS_VALID (self->priv->sub_latency_max))
max = self->priv->sub_latency_max;
@ -1210,21 +1204,15 @@ gst_aggregator_query_latency (GstAggregator * self, GstQuery * query)
self->priv->latency_max = data.max;
/* add our own */
if (GST_CLOCK_TIME_IS_VALID (our_latency)) {
if (GST_CLOCK_TIME_IS_VALID (data.min))
data.min += our_latency;
}
if (GST_CLOCK_TIME_IS_VALID (self->priv->sub_latency_min)
&& GST_CLOCK_TIME_IS_VALID (data.min))
data.min += self->priv->sub_latency_min;
data.min += our_latency;
data.min += self->priv->sub_latency_min;
if (GST_CLOCK_TIME_IS_VALID (self->priv->sub_latency_max)
&& GST_CLOCK_TIME_IS_VALID (data.max))
data.max += self->priv->sub_latency_max;
else if (GST_CLOCK_TIME_IS_VALID (self->priv->sub_latency_max))
data.max = self->priv->sub_latency_max;
if (data.live && GST_CLOCK_TIME_IS_VALID (our_latency) && data.min > data.max) {
if (data.live && data.min > data.max) {
GST_ELEMENT_WARNING (self, CORE, NEGOTIATION,
("%s", "Latency too big"),
("The requested latency value is too big for the current pipeline. "
@ -1584,6 +1572,7 @@ gst_aggregator_set_latency_property (GstAggregator * self, gint64 latency)
GstClockTime min, max;
g_return_if_fail (GST_IS_AGGREGATOR (self));
g_return_if_fail (GST_CLOCK_TIME_IS_VALID (latency));
GST_OBJECT_LOCK (self);
if (self->priv->latency_live) {