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androidcamera: Implement LATENCY query

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Sebastian Dröge 2012-10-26 12:19:55 +02:00 committed by Nicolas Dufresne
parent 6cdd4745fe
commit 08db4f267d
1 changed files with 30 additions and 0 deletions
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30
sys/androidcamera/gstahcsrc.c
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@ -44,6 +44,7 @@ static gboolean gst_ahc_src_stop (GstBaseSrc * bsrc);
static gboolean gst_ahc_src_unlock (GstBaseSrc * bsrc);
static gboolean gst_ahc_src_unlock_stop (GstBaseSrc * bsrc);
static GstFlowReturn gst_ahc_src_create (GstPushSrc * src, GstBuffer ** buffer);
static gboolean gst_ahc_src_query (GstBaseSrc * bsrc, GstQuery * query);
static void gst_ahc_src_close (GstAHCSrc * self);
static void gst_ahc_src_on_preview_frame (jbyteArray data, gpointer user_data);
@ -108,6 +109,7 @@ gst_ahc_src_class_init (GstAHCSrcClass * klass)
gstbasesrc_class->stop = gst_ahc_src_stop;
gstbasesrc_class->unlock = gst_ahc_src_unlock;
gstbasesrc_class->unlock_stop = gst_ahc_src_unlock_stop;
gstbasesrc_class->query = gst_ahc_src_query;
gstpushsrc_class->create = gst_ahc_src_create;
}
@ -715,3 +717,31 @@ gst_ahc_src_create (GstPushSrc * src, GstBuffer ** buffer)
return GST_FLOW_OK;
}
static gboolean
gst_ahc_src_query (GstBaseSrc * bsrc, GstQuery * query)
{
GstAHCSrc *self = GST_AHC_SRC (bsrc);
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_LATENCY:{
GstClockTime min, max;
gst_query_parse_latency (query, NULL, &min, &max);
min = gst_util_uint64_scale (GST_SECOND, 1000, self->fps_max);
max = gst_util_uint64_scale (GST_SECOND, 1000, self->fps_min);
GST_DEBUG_OBJECT (self,
"Reporting latency min: %" GST_TIME_FORMAT " max: %" GST_TIME_FORMAT,
GST_TIME_ARGS (min), GST_TIME_ARGS (max));
gst_query_set_latency (query, TRUE, min, max);
return TRUE;
break;
}
default:
return GST_BASE_SRC_CLASS (parent_class)->query (bsrc, query);
break;
}
g_assert_not_reached ();
}