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-rw-r--r--gst/level/gstlevel.c52
-rw-r--r--gst/level/gstlevel.h2
2 files changed, 49 insertions, 5 deletions
diff --git a/gst/level/gstlevel.c b/gst/level/gstlevel.c
index 6ff849fc..3edef456 100644
--- a/gst/level/gstlevel.c
+++ b/gst/level/gstlevel.c
@@ -146,6 +146,8 @@ static void gst_level_dispose (GObject * obj);
static gboolean gst_level_set_caps (GstBaseTransform * trans, GstCaps * in,
GstCaps * out);
+static gboolean gst_level_start (GstBaseTransform * trans);
+static gboolean gst_level_event (GstBaseTransform * trans, GstEvent * event);
static GstFlowReturn gst_level_transform_ip (GstBaseTransform * trans,
GstBuffer * in);
@@ -195,6 +197,8 @@ gst_level_class_init (GstLevelClass * klass)
GST_DEBUG_CATEGORY_INIT (level_debug, "level", 0, "Level calculation");
trans_class->set_caps = GST_DEBUG_FUNCPTR (gst_level_set_caps);
+ trans_class->start = GST_DEBUG_FUNCPTR (gst_level_start);
+ trans_class->event = GST_DEBUG_FUNCPTR (gst_level_event);
trans_class->transform_ip = GST_DEBUG_FUNCPTR (gst_level_transform_ip);
trans_class->passthrough_on_same_caps = TRUE;
}
@@ -385,8 +389,6 @@ gst_level_set_caps (GstBaseTransform * trans, GstCaps * in, GstCaps * out)
GstStructure *structure;
int i;
- filter->num_frames = 0;
-
structure = gst_caps_get_structure (in, 0);
filter->rate = structure_get_int (structure, "rate");
filter->width = structure_get_int (structure, "width");
@@ -441,6 +443,46 @@ gst_level_set_caps (GstBaseTransform * trans, GstCaps * in, GstCaps * out)
return TRUE;
}
+static gboolean
+gst_level_start (GstBaseTransform * trans)
+{
+ GstLevel *filter = GST_LEVEL (trans);
+
+ filter->num_frames = 0;
+ gst_segment_init (&filter->segment, GST_FORMAT_UNDEFINED);
+
+ return TRUE;
+}
+
+static gboolean
+gst_level_event (GstBaseTransform * trans, GstEvent * event)
+{
+ GstLevel *filter = GST_LEVEL (trans);
+
+ switch (GST_EVENT_TYPE (event)) {
+ case GST_EVENT_NEWSEGMENT:{
+ GstFormat format;
+ gdouble rate, arate;
+ gint64 start, stop, time;
+ gboolean update;
+
+ /* the newsegment values are used to clip the input samples
+ * and to convert the incomming timestamps to running time */
+ gst_event_parse_new_segment_full (event, &update, &rate, &arate, &format,
+ &start, &stop, &time);
+
+ /* now configure the values */
+ gst_segment_set_newsegment_full (&filter->segment, update,
+ rate, arate, format, start, stop, time);
+ break;
+ }
+ default:
+ break;
+ }
+
+ return TRUE;
+}
+
static GstMessage *
gst_level_message_new (GstLevel * l, GstClockTime endtime)
{
@@ -578,9 +620,9 @@ gst_level_transform_ip (GstBaseTransform * trans, GstBuffer * in)
GST_CLOCK_TIME_TO_FRAMES (filter->interval, filter->rate)) {
if (filter->message) {
GstMessage *m;
- GstClockTime endtime;
-
- endtime = GST_BUFFER_TIMESTAMP (in)
+ GstClockTime endtime =
+ gst_segment_to_running_time (&filter->segment, GST_FORMAT_TIME,
+ GST_BUFFER_TIMESTAMP (in))
+ GST_FRAMES_TO_CLOCK_TIME (num_frames, filter->rate);
m = gst_level_message_new (filter, endtime);
diff --git a/gst/level/gstlevel.h b/gst/level/gstlevel.h
index 3cd5d3a8..f91b620c 100644
--- a/gst/level/gstlevel.h
+++ b/gst/level/gstlevel.h
@@ -78,6 +78,8 @@ struct _GstLevel {
gdouble *RMS_dB; /* RMS in dB to emit */
GstClockTime *decay_peak_age; /* age of last peak */
+ GstSegment segment;
+
void (*process)(gpointer, guint, guint, gdouble*, gdouble*);
};