From d8cb235fe48fee007fa9563e01150558752332ee 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 12:10:15 +0200
Subject: [PATCH] audiodecoder: Rename ::event() to ::sink_event() and add
 ::src_event()

---
 gst-libs/gst/audio/gstaudiodecoder.c | 50 ++++++++++++++++++++--------
 gst-libs/gst/audio/gstaudiodecoder.h |  9 +++--
 2 files changed, 43 insertions(+), 16 deletions(-)

diff --git a/gst-libs/gst/audio/gstaudiodecoder.c b/gst-libs/gst/audio/gstaudiodecoder.c
index 882f071130..3eef6af8db 100644
--- a/gst-libs/gst/audio/gstaudiodecoder.c
+++ b/gst-libs/gst/audio/gstaudiodecoder.c
@@ -282,6 +282,8 @@ static GstStateChangeReturn gst_audio_decoder_change_state (GstElement *
     element, GstStateChange transition);
 static gboolean gst_audio_decoder_sink_eventfunc (GstAudioDecoder * dec,
     GstEvent * event);
+static gboolean gst_audio_decoder_src_eventfunc (GstAudioDecoder * dec,
+    GstEvent * event);
 static gboolean gst_audio_decoder_sink_event (GstPad * pad, GstObject * parent,
     GstEvent * event);
 static gboolean gst_audio_decoder_src_event (GstPad * pad, GstObject * parent,
@@ -372,8 +374,10 @@ gst_audio_decoder_class_init (GstAudioDecoderClass * klass)
           "Perform packet loss concealment (if supported)",
           DEFAULT_PLC, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
-  audiodecoder_class->event =
+  audiodecoder_class->sink_event =
       GST_DEBUG_FUNCPTR (gst_audio_decoder_sink_eventfunc);
+  audiodecoder_class->src_event =
+      GST_DEBUG_FUNCPTR (gst_audio_decoder_src_eventfunc);
 }
 
 static void
@@ -1622,8 +1626,8 @@ gst_audio_decoder_sink_event (GstPad * pad, GstObject * parent,
   GST_DEBUG_OBJECT (dec, "received event %d, %s", GST_EVENT_TYPE (event),
       GST_EVENT_TYPE_NAME (event));
 
-  if (klass->event)
-    ret = klass->event (dec, event);
+  if (klass->sink_event)
+    ret = klass->sink_event (dec, event);
   else {
     gst_event_unref (event);
     ret = FALSE;
@@ -1690,15 +1694,9 @@ gst_audio_decoder_do_seek (GstAudioDecoder * dec, GstEvent * event)
 }
 
 static gboolean
-gst_audio_decoder_src_event (GstPad * pad, GstObject * parent, GstEvent * event)
+gst_audio_decoder_src_eventfunc (GstAudioDecoder * dec, GstEvent * event)
 {
-  GstAudioDecoder *dec;
-  gboolean res = FALSE;
-
-  dec = GST_AUDIO_DECODER (parent);
-
-  GST_DEBUG_OBJECT (dec, "received event %d, %s", GST_EVENT_TYPE (event),
-      GST_EVENT_TYPE_NAME (event));
+  gboolean res;
 
   switch (GST_EVENT_TYPE (event)) {
     case GST_EVENT_SEEK:
@@ -1729,10 +1727,11 @@ gst_audio_decoder_src_event (GstPad * pad, GstObject * parent, GstEvent * event)
       /* ... though a non-time seek can be aided as well */
       /* First bring the requested format to time */
       if (!(res =
-              gst_pad_query_convert (pad, format, cur, GST_FORMAT_TIME, &tcur)))
+              gst_pad_query_convert (dec->srcpad, format, cur, GST_FORMAT_TIME,
+                  &tcur)))
         goto convert_error;
       if (!(res =
-              gst_pad_query_convert (pad, format, stop, GST_FORMAT_TIME,
+              gst_pad_query_convert (dec->srcpad, format, stop, GST_FORMAT_TIME,
                   &tstop)))
         goto convert_error;
 
@@ -1745,7 +1744,7 @@ gst_audio_decoder_src_event (GstPad * pad, GstObject * parent, GstEvent * event)
       break;
     }
     default:
-      res = gst_pad_event_default (pad, parent, event);
+      res = gst_pad_event_default (dec->srcpad, GST_OBJECT_CAST (dec), event);
       break;
   }
 done:
@@ -1759,6 +1758,29 @@ convert_error:
   }
 }
 
+static gboolean
+gst_audio_decoder_src_event (GstPad * pad, GstObject * parent, GstEvent * event)
+{
+  GstAudioDecoder *dec;
+  GstAudioDecoderClass *klass;
+  gboolean ret;
+
+  dec = GST_AUDIO_DECODER (parent);
+  klass = GST_AUDIO_DECODER_GET_CLASS (dec);
+
+  GST_DEBUG_OBJECT (dec, "received event %d, %s", GST_EVENT_TYPE (event),
+      GST_EVENT_TYPE_NAME (event));
+
+  if (klass->src_event)
+    ret = klass->src_event (dec, 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/gstaudiodecoder.h b/gst-libs/gst/audio/gstaudiodecoder.h
index 42606fd182..25d56d8759 100644
--- a/gst-libs/gst/audio/gstaudiodecoder.h
+++ b/gst-libs/gst/audio/gstaudiodecoder.h
@@ -194,9 +194,12 @@ struct _GstAudioDecoder
  *                  any pending samples and not yet returned decoded data.
  *                  @hard indicates whether a FLUSH is being processed,
  *                  or otherwise a DISCONT (or conceptually similar).
- * @event:          Optional.
+ * @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,
@@ -240,7 +243,9 @@ struct _GstAudioDecoderClass
   GstFlowReturn (*pre_push)           (GstAudioDecoder *dec,
                                        GstBuffer **buffer);
 
-  gboolean      (*event)              (GstAudioDecoder *dec,
+  gboolean      (*sink_event)         (GstAudioDecoder *dec,
+                                       GstEvent *event);
+  gboolean      (*src_event)          (GstAudioDecoder *dec,
                                        GstEvent *event);
 
   gboolean      (*open)               (GstAudioDecoder *dec);