From 139b13b747964be81c9f7b2ba534d94c8f83ac54 Mon Sep 17 00:00:00 2001
From: Stefan Kost <ensonic@users.sourceforge.net>
Date: Tue, 12 Sep 2006 20:18:55 +0000
Subject: gst/spectrum/gstspectrum.c: Implements stop() to clear the adapter
 and event() to clear the adapter on FLUSH_STOP and...

Original commit message from CVS:
* gst/spectrum/gstspectrum.c: (gst_spectrum_class_init),
(gst_spectrum_start), (gst_spectrum_stop), (gst_spectrum_event):
Implements stop() to clear the adapter and event() to clear the
adapter on FLUSH_STOP and EOS.
---
 gst/spectrum/gstspectrum.c | 33 +++++++++++++++++++++++++++++++--
 1 file changed, 31 insertions(+), 2 deletions(-)

(limited to 'gst')

diff --git a/gst/spectrum/gstspectrum.c b/gst/spectrum/gstspectrum.c
index ae3645bb..cfb31e5e 100644
--- a/gst/spectrum/gstspectrum.c
+++ b/gst/spectrum/gstspectrum.c
@@ -129,6 +129,8 @@ static GstStateChangeReturn gst_spectrum_change_state (GstElement * element,
 static gboolean gst_spectrum_set_caps (GstBaseTransform * trans, GstCaps * in,
     GstCaps * out);
 static gboolean gst_spectrum_start (GstBaseTransform * trans);
+static gboolean gst_spectrum_stop (GstBaseTransform * trans);
+static gboolean gst_spectrum_event (GstBaseTransform * trans, GstEvent * event);
 static GstFlowReturn gst_spectrum_transform_ip (GstBaseTransform * trans,
     GstBuffer * in);
 
@@ -161,9 +163,10 @@ gst_spectrum_class_init (GstSpectrumClass * klass)
   gobject_class->get_property = gst_spectrum_get_property;
   gobject_class->dispose = gst_spectrum_dispose;
 
-  /*element->change_state = gst_spectrum_change_state; */
   trans_class->set_caps = GST_DEBUG_FUNCPTR (gst_spectrum_set_caps);
   trans_class->start = GST_DEBUG_FUNCPTR (gst_spectrum_start);
+  trans_class->stop = GST_DEBUG_FUNCPTR (gst_spectrum_stop);
+  trans_class->event = GST_DEBUG_FUNCPTR (gst_spectrum_event);
   trans_class->transform_ip = GST_DEBUG_FUNCPTR (gst_spectrum_transform_ip);
   trans_class->passthrough_on_same_caps = TRUE;
 
@@ -349,12 +352,38 @@ gst_spectrum_start (GstBaseTransform * trans)
 {
   GstSpectrum *filter = GST_SPECTRUM (trans);
 
-  gst_adapter_clear (filter->adapter);
   filter->num_frames = 0;
 
   return TRUE;
 }
 
+static gboolean
+gst_spectrum_stop (GstBaseTransform * trans)
+{
+  GstSpectrum *filter = GST_SPECTRUM (trans);
+
+  gst_adapter_clear (filter->adapter);
+
+  return TRUE;
+}
+
+static gboolean
+gst_spectrum_event (GstBaseTransform * trans, GstEvent * event)
+{
+  GstSpectrum *filter = GST_SPECTRUM (trans);
+
+  switch (GST_EVENT_TYPE (event)) {
+    case GST_EVENT_FLUSH_STOP:
+    case GST_EVENT_EOS:
+      gst_adapter_clear (filter->adapter);
+      break;
+    default:
+      break;
+  }
+
+  return TRUE;
+}
+
 static GstMessage *
 gst_spectrum_message_new (GstSpectrum * spectrum, GstClockTime endtime)
 {
-- 
cgit