From f791ec1f10500fa6806506f0cd27ca1821cf7d3b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= <sebastian.droege@collabora.co.uk>
Date: Fri, 30 Mar 2012 12:15:27 +0200
Subject: [PATCH] audioencoder: Rename ::event() to ::sink_event() and add
 ::src_event()

---
 gst-libs/gst/audio/gstaudioencoder.c | 49 ++++++++++++++++++++++++++--
 gst-libs/gst/audio/gstaudioencoder.h | 15 ++++++---
 2 files changed, 56 insertions(+), 8 deletions(-)

diff --git a/gst-libs/gst/audio/gstaudioencoder.c b/gst-libs/gst/audio/gstaudioencoder.c
index 95bd949d43..645ca44548 100644
--- a/gst-libs/gst/audio/gstaudioencoder.c
+++ b/gst-libs/gst/audio/gstaudioencoder.c
@@ -305,8 +305,12 @@ static GstCaps *gst_audio_encoder_getcaps_default (GstAudioEncoder * enc,
 
 static gboolean gst_audio_encoder_sink_event_default (GstAudioEncoder * enc,
     GstEvent * event);
+static gboolean gst_audio_encoder_src_event_default (GstAudioEncoder * enc,
+    GstEvent * event);
 static gboolean gst_audio_encoder_sink_event (GstPad * pad, GstObject * parent,
     GstEvent * event);
+static gboolean gst_audio_encoder_src_event (GstPad * pad, GstObject * parent,
+    GstEvent * event);
 static gboolean gst_audio_encoder_sink_setcaps (GstAudioEncoder * enc,
     GstCaps * caps);
 static GstFlowReturn gst_audio_encoder_chain (GstPad * pad, GstObject * parent,
@@ -361,7 +365,8 @@ gst_audio_encoder_class_init (GstAudioEncoderClass * klass)
       GST_DEBUG_FUNCPTR (gst_audio_encoder_change_state);
 
   klass->getcaps = gst_audio_encoder_getcaps_default;
-  klass->event = gst_audio_encoder_sink_event_default;
+  klass->sink_event = gst_audio_encoder_sink_event_default;
+  klass->src_event = gst_audio_encoder_src_event_default;
 }
 
 static void
@@ -395,6 +400,8 @@ gst_audio_encoder_init (GstAudioEncoder * enc, GstAudioEncoderClass * bclass)
       gst_element_class_get_pad_template (GST_ELEMENT_CLASS (bclass), "src");
   g_return_if_fail (pad_template != NULL);
   enc->srcpad = gst_pad_new_from_template (pad_template, "src");
+  gst_pad_set_event_function (enc->srcpad,
+      GST_DEBUG_FUNCPTR (gst_audio_encoder_src_event));
   gst_pad_set_query_function (enc->srcpad,
       GST_DEBUG_FUNCPTR (gst_audio_encoder_src_query));
   gst_pad_use_fixed_caps (enc->srcpad);
@@ -1438,8 +1445,8 @@ gst_audio_encoder_sink_event (GstPad * pad, GstObject * parent,
   GST_DEBUG_OBJECT (enc, "received event %d, %s", GST_EVENT_TYPE (event),
       GST_EVENT_TYPE_NAME (event));
 
-  if (klass->event)
-    ret = klass->event (enc, event);
+  if (klass->sink_event)
+    ret = klass->sink_event (enc, event);
   else {
     gst_event_unref (event);
     ret = FALSE;
@@ -1505,6 +1512,42 @@ error:
   return res;
 }
 
+static gboolean
+gst_audio_encoder_src_event_default (GstAudioEncoder * enc, GstEvent * event)
+{
+  gboolean res;
+
+  switch (GST_EVENT_TYPE (event)) {
+    default:
+      res = gst_pad_event_default (enc->srcpad, GST_OBJECT_CAST (enc), event);
+      break;
+  }
+  return res;
+}
+
+static gboolean
+gst_audio_encoder_src_event (GstPad * pad, GstObject * parent, GstEvent * event)
+{
+  GstAudioEncoder *enc;
+  GstAudioEncoderClass *klass;
+  gboolean ret;
+
+  enc = GST_AUDIO_ENCODER (parent);
+  klass = GST_AUDIO_ENCODER_GET_CLASS (enc);
+
+  GST_DEBUG_OBJECT (enc, "received event %d, %s", GST_EVENT_TYPE (event),
+      GST_EVENT_TYPE_NAME (event));
+
+  if (klass->src_event)
+    ret = klass->src_event (enc, event);
+  else {
+    gst_event_unref (event);
+    ret = FALSE;
+  }
+
+  return ret;
+}
+
 /*
  * gst_audio_encoded_audio_convert:
  * @fmt: audio format of the encoded audio
diff --git a/gst-libs/gst/audio/gstaudioencoder.h b/gst-libs/gst/audio/gstaudioencoder.h
index a154eb57c5..fca74f6acf 100644
--- a/gst-libs/gst/audio/gstaudioencoder.h
+++ b/gst-libs/gst/audio/gstaudioencoder.h
@@ -139,10 +139,12 @@ struct _GstAudioEncoder {
  * @flush:          Optional.
  *                  Instructs subclass to clear any codec caches and discard
  *                  any pending samples and not yet returned encoded data.
- * @event:          Optional.
- *                  Event handler on the sink pad. This function should return
- *                  TRUE if the event was handled and should be discarded
- *                  (i.e. not unref'ed).
+ * @sink_event:     Optional.
+ *                  Event handler on the sink pad. Subclasses should chain up to
+ *                  the parent implementation to invoke the default handler.
+ * @src_event:      Optional.
+ *                  Event handler on the src pad. Subclasses should chain up to
+ *                  the parent implementation to invoke the default handler.
  * @pre_push:       Optional.
  *                  Called just prior to pushing (encoded data) buffer downstream.
  *                  Subclass has full discretionary access to buffer,
@@ -185,7 +187,10 @@ struct _GstAudioEncoderClass {
   GstFlowReturn (*pre_push)           (GstAudioEncoder *enc,
                                        GstBuffer **buffer);
 
-  gboolean      (*event)              (GstAudioEncoder *enc,
+  gboolean      (*sink_event)         (GstAudioEncoder *enc,
+                                       GstEvent *event);
+
+  gboolean      (*src_event)          (GstAudioEncoder *enc,
                                        GstEvent *event);
 
   GstCaps *     (*getcaps)            (GstAudioEncoder *enc, GstCaps *filter);