/GstBuffer/GstData/ in the API where you can pass events. Fix the plugins to deal with that. Fixes #113488.

Original commit message from CVS:
/GstBuffer/GstData/ in the API where you can pass events. Fix the plugins to deal with that. Fixes #113488.

26 files changed, 102 insertions, 83 deletions

diff --git a/ext/artsd/gstartsdsink.c b/ext/artsd/gstartsdsink.c
index d9613f74..e70dbda7 100644
--- a/ext/artsd/gstartsdsink.c
+++ b/ext/artsd/gstartsdsink.c
@@ -83,7 +83,7 @@ static void			gst_artsdsink_close_audio		(GstArtsdsink *sink);
 static GstElementStateReturn	gst_artsdsink_change_state		(GstElement *element);
 static gboolean			gst_artsdsink_sync_parms		(GstArtsdsink *artsdsink);
 static GstPadLinkReturn		gst_artsdsink_link			(GstPad *pad, GstCaps *caps);
-static void			gst_artsdsink_chain			(GstPad *pad, GstBuffer *buf);
+static void			gst_artsdsink_chain			(GstPad *pad, GstData *_data);
 
 static void			gst_artsdsink_set_property		(GObject *object, guint prop_id, 
 									 const GValue *value, GParamSpec *pspec);
@@ -188,8 +188,9 @@ gst_artsdsink_link (GstPad *pad, GstCaps *caps)
 }
 
 static void
-gst_artsdsink_chain (GstPad *pad, GstBuffer *buf)
+gst_artsdsink_chain (GstPad *pad, GstData *_data)
 {
+  GstBuffer *buf = GST_BUFFER (_data);
   GstArtsdsink *artsdsink;
 
   g_return_if_fail(pad != NULL);
diff --git a/ext/audiofile/gstafparse.c b/ext/audiofile/gstafparse.c
index 183f5147..248389f6 100644
--- a/ext/audiofile/gstafparse.c
+++ b/ext/audiofile/gstafparse.c
@@ -195,7 +195,7 @@ gst_afparse_loop(GstElement *element)
   /* just stop if we cannot open the file */
   if (!gst_afparse_open_file (afparse)){
     gst_bytestream_destroy ((GstByteStream *) afparse->vfile->closure);
-    gst_pad_push (afparse->srcpad, GST_BUFFER(gst_event_new (GST_EVENT_EOS)));  
+    gst_pad_push (afparse->srcpad, GST_DATA(gst_event_new (GST_EVENT_EOS)));
     gst_element_set_eos (GST_ELEMENT (afparse));
     return;
   }
@@ -236,14 +236,14 @@ gst_afparse_loop(GstElement *element)
         gst_bytestream_get_status (bs, &waiting, &event);
         if (event && GST_EVENT_TYPE(event) == GST_EVENT_EOS) {
           gst_pad_push (afparse->srcpad, 
-	                GST_BUFFER (gst_event_new (GST_EVENT_EOS)));  
+	                GST_DATA (gst_event_new (GST_EVENT_EOS)));
           gst_element_set_eos (GST_ELEMENT (afparse));
           break;
         }
       }
       else {
         GST_BUFFER_TIMESTAMP(buf) = afparse->timestamp;
-        gst_pad_push (afparse->srcpad, buf);
+        gst_pad_push (afparse->srcpad, GST_DATA (buf));
 	if (got_bytes != bytes_per_read){
 	  /* this shouldn't happen very often */
 	  /* FIXME calculate the timestamps based on the fewer bytes received */
@@ -269,12 +269,12 @@ gst_afparse_loop(GstElement *element)
       if (numframes < 1){
         gst_buffer_unref(buf);
 
-        gst_pad_push (afparse->srcpad, GST_BUFFER(gst_event_new (GST_EVENT_EOS)));  
+        gst_pad_push (afparse->srcpad, GST_DATA(gst_event_new (GST_EVENT_EOS)));
         gst_element_set_eos (GST_ELEMENT (afparse));
         break;
       }
       GST_BUFFER_SIZE(buf) = numframes * frames_to_bytes;
-      gst_pad_push (afparse->srcpad, buf);
+      gst_pad_push (afparse->srcpad, GST_DATA (buf));
       afparse->timestamp += numframes * 1E9 / afparse->rate;
     }
     while (TRUE);
diff --git a/ext/audiofile/gstafsink.c b/ext/audiofile/gstafsink.c
index 3392717c..fd80975e 100644
--- a/ext/audiofile/gstafsink.c
+++ b/ext/audiofile/gstafsink.c
@@ -104,7 +104,7 @@ static void		gst_afsink_init		(GstAFSink *afsink);
 static gboolean 	gst_afsink_open_file 	(GstAFSink *sink);
 static void 		gst_afsink_close_file 	(GstAFSink *sink);
 
-static void		gst_afsink_chain	(GstPad *pad,GstBuffer *buf);
+static void		gst_afsink_chain	(GstPad *pad,GstData *_data);
 
 static void		gst_afsink_set_property	(GObject *object, guint prop_id, const GValue *value, 
 						 GParamSpec *pspec);
@@ -389,8 +389,9 @@ gst_afsink_close_file (GstAFSink *sink)
  * take the buffer from the pad and write to file if it's open
  */
 static void 
-gst_afsink_chain (GstPad *pad, GstBuffer *buf) 
+gst_afsink_chain (GstPad *pad, GstData *_data) 
 {
+  GstBuffer *buf = GST_BUFFER (_data);
   GstAFSink *afsink;
   int ret = 0;
 
diff --git a/ext/audiofile/gstafsrc.c b/ext/audiofile/gstafsrc.c
index 2b817310..8c1a0c69 100644
--- a/ext/audiofile/gstafsrc.c
+++ b/ext/audiofile/gstafsrc.c
@@ -105,7 +105,7 @@ static void		gst_afsrc_init			(GstAFSrc *afsrc);
 static gboolean 	gst_afsrc_open_file 		(GstAFSrc *src);
 static void 		gst_afsrc_close_file 		(GstAFSrc *src);
 
-static GstBuffer*	gst_afsrc_get			(GstPad *pad);
+static GstData*	gst_afsrc_get			(GstPad *pad);
 
 static void		gst_afsrc_set_property		(GObject *object, guint prop_id, 
 							 const GValue *value, GParamSpec *pspec);
@@ -190,7 +190,7 @@ gst_afsrc_init (GstAFSrc *afsrc)
   afsrc->framestamp = 0;
 }
 
-static GstBuffer *
+static GstData *
 gst_afsrc_get (GstPad *pad)
 {
   GstAFSrc *src;
@@ -216,7 +216,7 @@ gst_afsrc_get (GstPad *pad)
   readbytes = readframes * (src->channels * src->width / 8);
   if (readbytes == 0) {
     gst_element_set_eos (GST_ELEMENT (src));
-    return GST_BUFFER (gst_event_new (GST_EVENT_EOS));  
+    return GST_DATA (gst_event_new (GST_EVENT_EOS));  
   }
   
   GST_BUFFER_SIZE (buf) = readbytes;
@@ -231,7 +231,7 @@ gst_afsrc_get (GstPad *pad)
         GST_BUFFER_TIMESTAMP (buf) / 1E9);
 
 /*  g_print("DEBUG: gstafsrc: pushed buffer of %ld bytes\n", readbytes); */
-  return buf;
+  return GST_DATA (buf);
 }
 
 static void
diff --git a/ext/divx/gstdivxdec.c b/ext/divx/gstdivxdec.c
index e1cfd2c9..988a7ef2 100644
--- a/ext/divx/gstdivxdec.c
+++ b/ext/divx/gstdivxdec.c
@@ -264,8 +264,9 @@ gst_divxdec_dispose (GObject *object)
 
 static void
 gst_divxdec_chain (GstPad    *pad,
-                   GstBuffer *buf)
+                   GstData *_data)
 {
+  GstBuffer *buf = GST_BUFFER (_data);
   GstDivxDec *divxdec;
   GstBuffer *outbuf;
   DEC_FRAME xframe;
@@ -310,7 +311,7 @@ gst_divxdec_chain (GstPad    *pad,
     return;
   }
 
-  gst_pad_push(divxdec->srcpad, outbuf);
+  gst_pad_push(divxdec->srcpad, GST_DATA (outbuf));
   gst_buffer_unref(buf);
 }
 
diff --git a/ext/divx/gstdivxenc.c b/ext/divx/gstdivxenc.c
index 718b226d..3da3d6cf 100644
--- a/ext/divx/gstdivxenc.c
+++ b/ext/divx/gstdivxenc.c
@@ -339,8 +339,9 @@ gst_divxenc_dispose (GObject *object)
 
 static void
 gst_divxenc_chain (GstPad    *pad,
-                   GstBuffer *buf)
+                   GstData *_data)
 {
+  GstBuffer *buf = GST_BUFFER (_data);
   GstDivxEnc *divxenc;
   GstBuffer *outbuf;
   ENC_FRAME xframe;
@@ -376,7 +377,7 @@ gst_divxenc_chain (GstPad    *pad,
     GST_BUFFER_FLAG_SET(outbuf, GST_BUFFER_KEY_UNIT);
 
   /* go out, multiply! */
-  gst_pad_push(divxenc->srcpad, outbuf);
+  gst_pad_push(divxenc->srcpad, GST_DATA (outbuf));
 
   /* proclaim destiny */
   g_signal_emit(G_OBJECT(divxenc),gst_divxenc_signals[FRAME_ENCODED], 0);
diff --git a/ext/gsm/gstgsmdec.c b/ext/gsm/gstgsmdec.c
index e857feff..a028255e 100644
--- a/ext/gsm/gstgsmdec.c
+++ b/ext/gsm/gstgsmdec.c
@@ -52,7 +52,7 @@ enum {
 static void			gst_gsmdec_class_init	(GstGSMDec *klass);
 static void			gst_gsmdec_init		(GstGSMDec *gsmdec);
 
-static void			gst_gsmdec_chain	(GstPad *pad, GstBuffer *buf);
+static void			gst_gsmdec_chain	(GstPad *pad, GstData *_data);
 static GstPadLinkReturn	gst_gsmdec_sinkconnect 	(GstPad *pad, GstCaps *caps);
 
 static GstElementClass *parent_class = NULL;
@@ -137,8 +137,9 @@ gst_gsmdec_sinkconnect (GstPad *pad, GstCaps *caps)
 }
 
 static void
-gst_gsmdec_chain (GstPad *pad, GstBuffer *buf)
+gst_gsmdec_chain (GstPad *pad, GstData *_data)
 {
+  GstBuffer *buf = GST_BUFFER (_data);
   GstGSMDec *gsmdec;
   gsm_byte *data;
   guint size;
@@ -164,7 +165,7 @@ gst_gsmdec_chain (GstPad *pad, GstBuffer *buf)
 
     gsm_decode (gsmdec->state, gsmdec->buffer, (gsm_signal *) GST_BUFFER_DATA (outbuf));
 
-    gst_pad_push (gsmdec->srcpad, outbuf);
+    gst_pad_push (gsmdec->srcpad, GST_DATA (outbuf));
 
     size -= (33 - gsmdec->bufsize);
     data += (33 - gsmdec->bufsize);
@@ -180,7 +181,7 @@ gst_gsmdec_chain (GstPad *pad, GstBuffer *buf)
     
     gsm_decode (gsmdec->state, data, (gsm_signal *)GST_BUFFER_DATA (outbuf));
 
-    gst_pad_push (gsmdec->srcpad, outbuf);
+    gst_pad_push (gsmdec->srcpad, GST_DATA (outbuf));
 
     size -= 33;
     data += 33;
diff --git a/ext/gsm/gstgsmenc.c b/ext/gsm/gstgsmenc.c
index 9a41430b..dc6ef76a 100644
--- a/ext/gsm/gstgsmenc.c
+++ b/ext/gsm/gstgsmenc.c
@@ -53,7 +53,7 @@ enum {
 static void			gst_gsmenc_class_init	(GstGSMEnc *klass);
 static void			gst_gsmenc_init		(GstGSMEnc *gsmenc);
 
-static void			gst_gsmenc_chain	(GstPad *pad,GstBuffer *buf);
+static void			gst_gsmenc_chain	(GstPad *pad,GstData *_data);
 static GstPadLinkReturn	gst_gsmenc_sinkconnect 	(GstPad *pad, GstCaps *caps);
 
 static GstElementClass *parent_class = NULL;
@@ -142,8 +142,9 @@ gst_gsmenc_sinkconnect (GstPad *pad, GstCaps *caps)
 }
 
 static void
-gst_gsmenc_chain (GstPad *pad, GstBuffer *buf)
+gst_gsmenc_chain (GstPad *pad, GstData *_data)
 {
+  GstBuffer *buf = GST_BUFFER (_data);
   GstGSMEnc *gsmenc;
   gsm_signal *data;
   guint size;
@@ -179,7 +180,7 @@ gst_gsmenc_chain (GstPad *pad, GstBuffer *buf)
     gsm_encode (gsmenc->state, gsmenc->buffer, (gsm_byte *) GST_BUFFER_DATA (outbuf));
 
     GST_BUFFER_TIMESTAMP (outbuf) = gsmenc->next_ts;
-    gst_pad_push (gsmenc->srcpad, outbuf);
+    gst_pad_push (gsmenc->srcpad, GST_DATA (outbuf));
     gsmenc->next_ts += (160.0 / gsmenc->rate) * 1000000;
 
     size -= (160 - gsmenc->bufsize); 
@@ -197,7 +198,7 @@ gst_gsmenc_chain (GstPad *pad, GstBuffer *buf)
     gsm_encode (gsmenc->state, data, (gsm_byte *) GST_BUFFER_DATA (outbuf));
 
     GST_BUFFER_TIMESTAMP (outbuf) = gsmenc->next_ts;
-    gst_pad_push (gsmenc->srcpad, outbuf);
+    gst_pad_push (gsmenc->srcpad, GST_DATA (outbuf));
     gsmenc->next_ts += (160 / gsmenc->rate) * GST_SECOND;
 
     size -= 160;
diff --git a/ext/hermes/gstcolorspace.c b/ext/hermes/gstcolorspace.c
index e7dc9cf6..8ef7f035 100644
--- a/ext/hermes/gstcolorspace.c
+++ b/ext/hermes/gstcolorspace.c
@@ -65,7 +65,7 @@ static GstPadLinkReturn
 			gst_colorspace_srcconnect 		(GstPad *pad, GstCaps *caps);
 static GstPadLinkReturn
 			gst_colorspace_srcconnect_func 		(GstPad *pad, GstCaps *caps, gboolean newcaps);
-static void		gst_colorspace_chain			(GstPad *pad, GstBuffer *buf);
+static void		gst_colorspace_chain			(GstPad *pad, GstData *_data);
 static GstElementStateReturn
 			gst_colorspace_change_state 		(GstElement *element);
 
@@ -471,8 +471,9 @@ gst_colorspace_init (GstColorspace *space)
 }
 
 static void
-gst_colorspace_chain (GstPad *pad,GstBuffer *buf)
+gst_colorspace_chain (GstPad *pad,GstData *_data)
 {
+  GstBuffer *buf = GST_BUFFER (_data);
   GstColorspace *space;
   gint size;
   GstBuffer *outbuf = NULL;
@@ -554,7 +555,7 @@ gst_colorspace_chain (GstPad *pad,GstBuffer *buf)
 
     gst_buffer_unref (buf);
   }
-  gst_pad_push (space->srcpad, outbuf);
+  gst_pad_push (space->srcpad, GST_DATA (outbuf));
 }
 
 static GstElementStateReturn
diff --git a/ext/ivorbis/vorbisfile.c b/ext/ivorbis/vorbisfile.c
index 5b270fb9..fa9f8ef3 100644
--- a/ext/ivorbis/vorbisfile.c
+++ b/ext/ivorbis/vorbisfile.c
@@ -609,7 +609,7 @@ gst_ivorbisfile_loop (GstElement *element)
         discont = gst_event_new_discontinuous (FALSE, GST_FORMAT_TIME, time, 
 		    			     GST_FORMAT_DEFAULT, samples, NULL); 
 
-        gst_pad_push (ivorbisfile->srcpad, GST_BUFFER (discont));
+        gst_pad_push (ivorbisfile->srcpad, GST_DATA (discont));
       }
     }
 
@@ -623,7 +623,7 @@ gst_ivorbisfile_loop (GstElement *element)
     }
   
     if (GST_PAD_IS_USABLE (ivorbisfile->srcpad)) 
-      gst_pad_push (ivorbisfile->srcpad, outbuf);
+      gst_pad_push (ivorbisfile->srcpad, GST_DATA (outbuf));
     else
       gst_buffer_unref (outbuf);
   }
diff --git a/ext/jack/gstjack.c b/ext/jack/gstjack.c
index 4835813a..98ec91d2 100644
--- a/ext/jack/gstjack.c
+++ b/ext/jack/gstjack.c
@@ -439,7 +439,7 @@ gst_jack_loop (GstElement *element)
         pad = GST_JACK_PAD (pads);
             
         if (this->direction == GST_PAD_SINK) {
-            buffer = gst_pad_pull (pad->pad);
+            buffer = GST_BUFFER (gst_pad_pull (pad->pad));
                 
             if (GST_IS_EVENT (buffer)) {
                 GstEvent *event = GST_EVENT (buffer);
@@ -470,7 +470,7 @@ gst_jack_loop (GstElement *element)
             gst_buffer_set_data (buffer, pad->data, len);
             GST_BUFFER_FLAG_SET(buffer, GST_BUFFER_DONTFREE);
                 
-            gst_pad_push (pad->pad, buffer);
+            gst_pad_push (pad->pad, GST_DATA (buffer));
         }
         pads = g_list_next (pads);
     }
diff --git a/ext/ladspa/gstladspa.c b/ext/ladspa/gstladspa.c
index 5f16dbf5..f22b4aac 100644
--- a/ext/ladspa/gstladspa.c
+++ b/ext/ladspa/gstladspa.c
@@ -76,8 +76,8 @@ static void			gst_ladspa_deactivate		(GstLADSPA *ladspa);
 
 static GstElementStateReturn	gst_ladspa_change_state		(GstElement *element);
 static void			gst_ladspa_loop			(GstElement *element);
-static void			gst_ladspa_chain		(GstPad *pad,GstBuffer *buf);
-static GstBuffer *		gst_ladspa_get			(GstPad *pad);
+static void			gst_ladspa_chain		(GstPad *pad,GstData *_data);
+static GstData *		gst_ladspa_get			(GstPad *pad);
 
 static GstElementClass *parent_class = NULL;
 
@@ -676,13 +676,13 @@ gst_ladspa_loop (GstElement *element)
   /* first get all the necessary data from the input ports */
   for (i=0 ; i<numsinkpads ; i++){  
   get_buffer:
-    buffers_in[i] = gst_pad_pull (ladspa->sinkpads[i]);
+    buffers_in[i] = GST_BUFFER (gst_pad_pull (ladspa->sinkpads[i]));
     
     if (GST_IS_EVENT (buffers_in[i])) {
       /* push it out on all pads */
       gst_data_ref_by_count ((GstData*)buffers_in[i], numsrcpads);
       for (j=0; j<numsrcpads; j++)
-        gst_pad_push (ladspa->srcpads[j], buffers_in[i]);
+        gst_pad_push (ladspa->srcpads[j], GST_DATA (buffers_in[i]));
       if (GST_EVENT_TYPE (buffers_in[i]) == GST_EVENT_EOS) {
         /* shut down */
         gst_element_set_eos (element);
@@ -753,7 +753,7 @@ gst_ladspa_loop (GstElement *element)
   }      
   for (i=0 ; i<numsrcpads ; i++) {
     DEBUG_OBJ (ladspa, "pushing buffer (%p) on src pad %d", buffers_out[i], i);
-    gst_pad_push (ladspa->srcpads[i], buffers_out[i]);
+    gst_pad_push (ladspa->srcpads[i], GST_DATA (buffers_out[i]));
     
     data_out[i] = NULL;
     buffers_out[i] = NULL;
@@ -770,8 +770,9 @@ gst_ladspa_loop (GstElement *element)
 }
 
 static void
-gst_ladspa_chain (GstPad *pad, GstBuffer *buffer_in)
+gst_ladspa_chain (GstPad *pad, GstData *_data)
 {
+  GstBuffer *buffer_in = GST_BUFFER (_data);
   LADSPA_Descriptor *desc;
   LADSPA_Data *data_in, **data_out = NULL;
   GstBuffer **buffers_out = NULL;
@@ -850,7 +851,7 @@ gst_ladspa_chain (GstPad *pad, GstBuffer *buffer_in)
     for (i=0; i<numsrcpads; i++) {
       DEBUG_OBJ (ladspa, "pushing buffer (%p, length %u bytes) on src pad %d",
                  buffers_out[i], GST_BUFFER_SIZE (buffers_out[i]), i);
-      gst_pad_push (ladspa->srcpads[i], buffers_out[i]);
+      gst_pad_push (ladspa->srcpads[i], GST_DATA (buffers_out[i]));
     }
 
     g_free(buffers_out);
@@ -858,7 +859,7 @@ gst_ladspa_chain (GstPad *pad, GstBuffer *buffer_in)
   }
 }
 
-static GstBuffer *
+static GstData *
 gst_ladspa_get(GstPad *pad)
 {  
   GstLADSPA *ladspa;
@@ -902,7 +903,7 @@ gst_ladspa_get(GstPad *pad)
     num_processed = num_to_process;
   }
   
-  return buf;
+  return GST_DATA (buf);
 }
 
 static void
diff --git a/ext/lcs/gstcolorspace.c b/ext/lcs/gstcolorspace.c
index 0ed3b278..81e1ab3d 100644
--- a/ext/lcs/gstcolorspace.c
+++ b/ext/lcs/gstcolorspace.c
@@ -104,7 +104,7 @@ static GstPadLinkReturn
 			gst_colorspace_srcconnect 		(GstPad *pad, GstCaps *caps);
 static GstPadLinkReturn
 			gst_colorspace_srcconnect_func 		(GstPad *pad, GstCaps *caps, gboolean newcaps);
-static void		gst_colorspace_chain			(GstPad *pad, GstBuffer *buf);
+static void		gst_colorspace_chain			(GstPad *pad, GstData *_data);
 static GstElementStateReturn
 			gst_colorspace_change_state 		(GstElement *element);
 
@@ -383,8 +383,9 @@ gst_colorspace_init (GstColorspace *space)
 }
 
 static void
-gst_colorspace_chain (GstPad *pad,GstBuffer *buf)
+gst_colorspace_chain (GstPad *pad,GstData *_data)
 {
+  GstBuffer *buf = GST_BUFFER (_data);
   GstColorspace *space;
   GstBuffer *outbuf = NULL;
 
@@ -433,7 +434,7 @@ gst_colorspace_chain (GstPad *pad,GstBuffer *buf)
 
     gst_buffer_unref (buf);
   }
-  gst_pad_push (space->srcpad, outbuf);
+  gst_pad_push (space->srcpad, GST_DATA (outbuf));
 }
 
 static GstElementStateReturn
diff --git a/ext/libfame/gstlibfame.c b/ext/libfame/gstlibfame.c
index f0d566e4..8b5a5c9f 100644
--- a/ext/libfame/gstlibfame.c
+++ b/ext/libfame/gstlibfame.c
@@ -168,7 +168,7 @@ static void	gst_fameenc_set_property	(GObject *object, guint prop_id,
 static void	gst_fameenc_get_property	(GObject *object, guint prop_id, 
 						 GValue *value, GParamSpec *pspec);
 
-static void	gst_fameenc_chain		(GstPad *pad, GstBuffer *buf);
+static void	gst_fameenc_chain		(GstPad *pad, GstData *_data);
 
 static GstElementClass *parent_class = NULL;
 /*static guint gst_fameenc_signals[LAST_SIGNAL] = { 0 };*/
@@ -415,8 +415,9 @@ gst_fameenc_dispose (GObject *object)
 }
 
 static void
-gst_fameenc_chain (GstPad *pad, GstBuffer *buf)
+gst_fameenc_chain (GstPad *pad, GstData *_data)
 {
+  GstBuffer *buf = GST_BUFFER (_data);
   GstFameEnc *fameenc;
   guchar *data;
   gulong size;
@@ -474,7 +475,7 @@ gst_fameenc_chain (GstPad *pad, GstBuffer *buf)
     GST_DEBUG ("gst_fameenc_chain: pushing buffer of size %d",
                GST_BUFFER_SIZE(outbuf));
 
-    gst_pad_push (fameenc->srcpad, outbuf);
+    gst_pad_push (fameenc->srcpad, GST_DATA (outbuf));
   }
 
   fame_end_frame (fameenc->fc, NULL); 
diff --git a/ext/mas/massink.c b/ext/mas/massink.c
index b4a8f6dc..8e564bdf 100644
--- a/ext/mas/massink.c
+++ b/ext/mas/massink.c
@@ -80,7 +80,7 @@ static GstElementStateReturn	gst_massink_change_state	(GstElement *element);
 static gboolean			gst_massink_sync_parms		(GstMassink *massink);
 static GstPadLinkReturn	gst_massink_sinkconnect		(GstPad *pad, GstCaps *caps);
 
-static void			gst_massink_chain		(GstPad *pad, GstBuffer *buf);
+static void			gst_massink_chain		(GstPad *pad, GstData *_data);
 
 static void			gst_massink_set_property	(GObject *object, guint prop_id, 
 								 const GValue *value, GParamSpec *pspec);
@@ -213,8 +213,9 @@ gst_massink_sinkconnect (GstPad *pad, GstCaps *caps)
 }
 
 static void
-gst_massink_chain (GstPad *pad, GstBuffer *buf)
+gst_massink_chain (GstPad *pad, GstData *_data)
 {
+  GstBuffer *buf = GST_BUFFER (_data);
   gint32 err;
     
   g_return_if_fail(pad != NULL);
diff --git a/ext/mplex/gstmplex.cc b/ext/mplex/gstmplex.cc
index 03cc6e8d..8f8a94a3 100644
--- a/ext/mplex/gstmplex.cc
+++ b/ext/mplex/gstmplex.cc
@@ -392,7 +392,7 @@ gst_mplex_write_callback (PS_Stream *stream, uint8_t *data, size_t size, void *u
     outbuf = gst_buffer_new_and_alloc (size);
     memcpy (GST_BUFFER_DATA (outbuf), data, size);
 
-    gst_pad_push (mplex->srcpad, outbuf);
+    gst_pad_push (mplex->srcpad, GST_DATA (outbuf));
   }
 
   return size;
@@ -476,7 +476,7 @@ gst_mplex_loop (GstElement *element)
     case GST_MPLEX_END:
     {
       mplex->ostrm->Close ();
-      gst_pad_push (mplex->srcpad, GST_BUFFER (gst_event_new (GST_EVENT_EOS)));
+      gst_pad_push (mplex->srcpad, GST_DATA (gst_event_new (GST_EVENT_EOS)));
       gst_element_set_eos (element);
       break;
     }
diff --git a/ext/sdl/sdlvideosink.c b/ext/sdl/sdlvideosink.c
index 1a8abafd..bccf6ec4 100644
--- a/ext/sdl/sdlvideosink.c
+++ b/ext/sdl/sdlvideosink.c
@@ -49,7 +49,7 @@ static gboolean              gst_sdlvideosink_create       (GstSDLVideoSink
 static GstPadLinkReturn   gst_sdlvideosink_sinkconnect  (GstPad               *pad,
                                                             GstCaps              *caps);
 static void                  gst_sdlvideosink_chain        (GstPad               *pad,
-                                                            GstBuffer            *buf);
+                                                            GstData              *data);
 
 static void                  gst_sdlvideosink_set_property (GObject              *object,
                                                             guint                 prop_id,
@@ -339,8 +339,9 @@ gst_sdlvideosink_sinkconnect (GstPad  *pad,
 
 
 static void
-gst_sdlvideosink_chain (GstPad *pad, GstBuffer *buf)
+gst_sdlvideosink_chain (GstPad *pad, GstData *_data)
 {
+  GstBuffer *buf = GST_BUFFER (_data);
   GstSDLVideoSink *sdlvideosink;
   SDL_Event sdl_event;
 
diff --git a/ext/shout/gstshout.c b/ext/shout/gstshout.c
index 1badacd5..72156e92 100644
--- a/ext/shout/gstshout.c
+++ b/ext/shout/gstshout.c
@@ -92,7 +92,7 @@ sink_template_factory (void)
 static void		gst_icecastsend_class_init	(GstIcecastSendClass *klass);
 static void		gst_icecastsend_init		(GstIcecastSend *icecastsend);
 
-static void		gst_icecastsend_chain		(GstPad *pad, GstBuffer *buf);
+static void		gst_icecastsend_chain		(GstPad *pad, GstData *_data);
 
 static void		gst_icecastsend_set_property	(GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
 static void		gst_icecastsend_get_property	(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
@@ -215,8 +215,9 @@ gst_icecastsend_init (GstIcecastSend *icecastsend)
 }
 
 static void
-gst_icecastsend_chain (GstPad *pad, GstBuffer *buf)
+gst_icecastsend_chain (GstPad *pad, GstData *_data)
 {
+  GstBuffer *buf = GST_BUFFER (_data);
   GstIcecastSend *icecastsend;
   glong ret;
 
diff --git a/ext/smoothwave/gstsmoothwave.c b/ext/smoothwave/gstsmoothwave.c
index a8b88496..5fcd79c0 100644
--- a/ext/smoothwave/gstsmoothwave.c
+++ b/ext/smoothwave/gstsmoothwave.c
@@ -56,7 +56,7 @@ static void	gst_smoothwave_init		(GstSmoothWave *smoothwave);
 static void	gst_smoothwave_set_property		(GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
 static void	gst_smoothwave_get_property		(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
 
-static void	gst_smoothwave_chain		(GstPad *pad, GstBuffer *buf);
+static void	gst_smoothwave_chain		(GstPad *pad, GstData *_data);
 
 static GstElementClass *parent_class = NULL;
 /*static guint gst_smoothwave_signals[LAST_SIGNAL] = { 0 }; */
@@ -146,8 +146,9 @@ gst_smoothwave_init (GstSmoothWave *smoothwave)
 }
 
 static void
-gst_smoothwave_chain (GstPad *pad, GstBuffer *buf)
+gst_smoothwave_chain (GstPad *pad, GstData *_data)
 {
+  GstBuffer *buf = GST_BUFFER (_data);
   GstSmoothWave *smoothwave;
   gint16 *samples;
   gint samplecount,i;
diff --git a/ext/snapshot/gstsnapshot.c b/ext/snapshot/gstsnapshot.c
index f2669d9f..cc70dce7 100644
--- a/ext/snapshot/gstsnapshot.c
+++ b/ext/snapshot/gstsnapshot.c
@@ -87,7 +87,7 @@ static GType 	gst_snapshot_get_type 	(void);
 static void	gst_snapshot_class_init	(GstSnapshotClass *klass);
 static void	gst_snapshot_init	(GstSnapshot *snapshot);
 
-static void	gst_snapshot_chain	(GstPad *pad, GstBuffer *buf);
+static void	gst_snapshot_chain	(GstPad *pad, GstData *_data);
 
 static void	gst_snapshot_set_property	(GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
 static void	gst_snapshot_get_property	(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
@@ -249,8 +249,9 @@ gst_snapshot_init (GstSnapshot *snapshot)
 
 
 static void
-gst_snapshot_chain (GstPad *pad, GstBuffer *buf)
+gst_snapshot_chain (GstPad *pad, GstData *_data)
 {
+  GstBuffer *buf = GST_BUFFER (_data);
   GstSnapshot *snapshot;
   guchar *data, *data_to_convert, *buffer_i420, *data_converted;
   gulong size,image_size;
@@ -330,7 +331,7 @@ gst_snapshot_chain (GstPad *pad, GstBuffer *buf)
     }
   }
 
-  gst_pad_push(snapshot->srcpad,buf );
+  gst_pad_push(snapshot->srcpad,GST_DATA (buf ));
 }
 
 static void
diff --git a/ext/sndfile/gstsf.c b/ext/sndfile/gstsf.c
index 3d75087b..631c7a65 100644
--- a/ext/sndfile/gstsf.c
+++ b/ext/sndfile/gstsf.c
@@ -703,7 +703,7 @@ gst_sf_loop (GstElement *element)
         data = (gfloat*)GST_BUFFER_DATA (out);
         for (j=0; j<read; j++)
           data[j] = buf[j * nchannels + i % nchannels];
-        gst_pad_push (channel->pad, out);
+        gst_pad_push (channel->pad, GST_DATA (out));
       }
 
     this->time += read * (GST_SECOND / this->rate);
@@ -715,7 +715,7 @@ gst_sf_loop (GstElement *element)
         eos = 0;
       } else {
         for (l=this->channels; l; l=l->next)
-          gst_pad_push (GST_SF_CHANNEL (l)->pad, (GstBuffer*)gst_event_new (GST_EVENT_EOS));
+          gst_pad_push (GST_SF_CHANNEL (l)->pad, GST_DATA (gst_event_new (GST_EVENT_EOS)));
         gst_element_set_eos (element);
       }
     }
@@ -740,7 +740,7 @@ gst_sf_loop (GstElement *element)
     for (i=0,l=this->channels; l; l=l->next,i++) {
       channel = GST_SF_CHANNEL (l);
       
-      in = gst_pad_pull (channel->pad);
+      in = GST_BUFFER (gst_pad_pull (channel->pad));
 
       if (buffer_frames == 0) {
         /* pulling a buffer from the pad should have caused capsnego to occur,
diff --git a/ext/swfdec/gstswfdec.c b/ext/swfdec/gstswfdec.c
index 119c0403..5bfa9d39 100644
--- a/ext/swfdec/gstswfdec.c
+++ b/ext/swfdec/gstswfdec.c
@@ -206,7 +206,7 @@ gst_swfdec_loop(GstElement *element)
 
 	ret = swfdec_decoder_parse(swfdec->state);
 	if(ret==SWF_NEEDBITS){
-		buf = gst_pad_pull(swfdec->sinkpad);
+		buf = GST_BUFFER (gst_pad_pull(swfdec->sinkpad));
 		if(GST_IS_EVENT(buf)){
 			switch (GST_EVENT_TYPE (buf)) {
 			case GST_EVENT_EOS:
@@ -253,7 +253,7 @@ gst_swfdec_loop(GstElement *element)
 		swfdec->timestamp += swfdec->interval;
 		GST_BUFFER_TIMESTAMP(newbuf) = swfdec->timestamp;
 
-		gst_pad_push(swfdec->videopad, newbuf);
+		gst_pad_push(swfdec->videopad, GST_DATA (newbuf));
 
 		/* audio stuff */
 
@@ -265,15 +265,15 @@ gst_swfdec_loop(GstElement *element)
 			GST_BUFFER_DATA(newbuf) = data;
 			GST_BUFFER_TIMESTAMP(newbuf) = swfdec->timestamp;
 
-			gst_pad_push(swfdec->audiopad, newbuf);
+			gst_pad_push(swfdec->audiopad, GST_DATA (newbuf));
 
 			data = swfdec_decoder_get_sound_chunk(swfdec->state, &len);
 		}
 	}
 
 	if(ret==SWF_EOF){
-		gst_pad_push(swfdec->videopad, GST_BUFFER (gst_event_new (GST_EVENT_EOS)));
-		gst_pad_push(swfdec->audiopad, GST_BUFFER (gst_event_new (GST_EVENT_EOS)));
+		gst_pad_push(swfdec->videopad, GST_DATA (gst_event_new (GST_EVENT_EOS)));
+		gst_pad_push(swfdec->audiopad, GST_DATA (gst_event_new (GST_EVENT_EOS)));
 	}
 }
 
diff --git a/ext/tarkin/gsttarkindec.c b/ext/tarkin/gsttarkindec.c
index f77e5c8f..c8936b63 100644
--- a/ext/tarkin/gsttarkindec.c
+++ b/ext/tarkin/gsttarkindec.c
@@ -56,7 +56,7 @@ enum
 static void 	gst_tarkindec_class_init 	(TarkinDecClass *klass);
 static void 	gst_tarkindec_init 		(TarkinDec *arkindec);
 
-static void 	gst_tarkindec_chain 		(GstPad *pad, GstBuffer *buf);
+static void 	gst_tarkindec_chain 		(GstPad *pad, GstData *_data);
 static void 	gst_tarkindec_setup 		(TarkinDec *tarkindec);
 static GstElementStateReturn
 		gst_tarkindec_change_state 	(GstElement *element);
@@ -145,8 +145,9 @@ gst_tarkindec_setup (TarkinDec *tarkindec)
 }
 
 static void
-gst_tarkindec_chain (GstPad *pad, GstBuffer *buf)
+gst_tarkindec_chain (GstPad *pad, GstData *_data)
 {
+  GstBuffer *buf = GST_BUFFER (_data);
   TarkinDec *tarkindec;
 
   g_return_if_fail (pad != NULL);
@@ -234,7 +235,7 @@ gst_tarkindec_chain (GstPad *pad, GstBuffer *buf)
 	    GST_BUFFER_DATA (outbuf) = rgb;
 	    GST_BUFFER_SIZE (outbuf) = layer->width * layer->height * 3;
 	    GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_DONTFREE);
-	    gst_pad_push (tarkindec->srcpad, outbuf);
+	    gst_pad_push (tarkindec->srcpad, GST_DATA (outbuf));
 	    
 	    tarkin_synthesis_freeframe (tarkindec->tarkin_stream, rgb);
           }
diff --git a/ext/tarkin/gsttarkinenc.c b/ext/tarkin/gsttarkinenc.c
index ff3d295e..beddd876 100644
--- a/ext/tarkin/gsttarkinenc.c
+++ b/ext/tarkin/gsttarkinenc.c
@@ -58,7 +58,7 @@ enum
 static void 	gst_tarkinenc_class_init 	(TarkinEncClass *klass);
 static void 	gst_tarkinenc_init 		(TarkinEnc *arkinenc);
 
-static void 	gst_tarkinenc_chain 		(GstPad *pad, GstBuffer *buf);
+static void 	gst_tarkinenc_chain 		(GstPad *pad, GstData *_data);
 static void 	gst_tarkinenc_setup 		(TarkinEnc *tarkinenc);
 
 static void 	gst_tarkinenc_get_property 	(GObject *object, guint prop_id, GValue *value,
@@ -184,24 +184,24 @@ TarkinError packet_out (void *stream, ogg_packet *op)
     GST_BUFFER_DATA (outbuf) = og.header;
     GST_BUFFER_SIZE (outbuf) = og.header_len;
     GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_DONTFREE);
-    gst_pad_push (te->srcpad, outbuf);
+    gst_pad_push (te->srcpad, GST_DATA (outbuf));
     outbuf = gst_buffer_new ();
     GST_BUFFER_DATA (outbuf) = og.body;
     GST_BUFFER_SIZE (outbuf) = og.body_len;
     GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_DONTFREE);
-    gst_pad_push (te->srcpad, outbuf);
+    gst_pad_push (te->srcpad, GST_DATA (outbuf));
   } else {
     while (ogg_stream_pageout (&te->os, &og)){
       outbuf = gst_buffer_new ();
       GST_BUFFER_DATA (outbuf) = og.header;
       GST_BUFFER_SIZE (outbuf) = og.header_len;
       GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_DONTFREE);
-      gst_pad_push (te->srcpad, outbuf);
+      gst_pad_push (te->srcpad, GST_DATA (outbuf));
       outbuf = gst_buffer_new ();
       GST_BUFFER_DATA (outbuf) = og.body;
       GST_BUFFER_SIZE (outbuf) = og.body_len;
       GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_DONTFREE);
-      gst_pad_push (te->srcpad, outbuf);
+      gst_pad_push (te->srcpad, GST_DATA (outbuf));
     }
   }
   return (TARKIN_OK);
@@ -243,20 +243,21 @@ gst_tarkinenc_setup (TarkinEnc *tarkinenc)
   GST_BUFFER_DATA (outbuf) = tarkinenc->og.header;
   GST_BUFFER_SIZE (outbuf) = tarkinenc->og.header_len;
   GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_DONTFREE);
-  gst_pad_push (tarkinenc->srcpad, outbuf);
+  gst_pad_push (tarkinenc->srcpad, GST_DATA (outbuf));
 
   outbuf = gst_buffer_new ();
   GST_BUFFER_DATA (outbuf) = tarkinenc->og.body;
   GST_BUFFER_SIZE (outbuf) = tarkinenc->og.body_len;
   GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_DONTFREE);
-  gst_pad_push (tarkinenc->srcpad, outbuf);
+  gst_pad_push (tarkinenc->srcpad, GST_DATA (outbuf));
 
   tarkinenc->setup = TRUE;
 }
 
 static void
-gst_tarkinenc_chain (GstPad *pad, GstBuffer *buf)
+gst_tarkinenc_chain (GstPad *pad, GstData *_data)
 {
+  GstBuffer *buf = GST_BUFFER (_data);
   TarkinEnc *tarkinenc;
 
   g_return_if_fail (pad != NULL);
diff --git a/ext/xvid/gstxviddec.c b/ext/xvid/gstxviddec.c
index 50e72a3c..d22cbce4 100644
--- a/ext/xvid/gstxviddec.c
+++ b/ext/xvid/gstxviddec.c
@@ -216,8 +216,9 @@ gst_xviddec_dispose (GObject *object)
 
 static void
 gst_xviddec_chain (GstPad    *pad,
-                   GstBuffer *buf)
+                   GstData *_data)
 {
+  GstBuffer *buf = GST_BUFFER (_data);
   GstXvidDec *xviddec;
   GstBuffer *outbuf;
   XVID_DEC_FRAME xframe;
@@ -262,7 +263,7 @@ gst_xviddec_chain (GstPad    *pad,
     return;
   }
 
-  gst_pad_push(xviddec->srcpad, outbuf);
+  gst_pad_push(xviddec->srcpad, GST_DATA (outbuf));
   gst_buffer_unref(buf);
 }
 
diff --git a/ext/xvid/gstxvidenc.c b/ext/xvid/gstxvidenc.c
index b217b652..a4b37341 100644
--- a/ext/xvid/gstxvidenc.c
+++ b/ext/xvid/gstxvidenc.c
@@ -251,8 +251,9 @@ gst_xvidenc_setup (GstXvidEnc *xvidenc)
 
 static void
 gst_xvidenc_chain (GstPad    *pad,
-                   GstBuffer *buf)
+                   GstData *_data)
 {
+  GstBuffer *buf = GST_BUFFER (_data);
   GstXvidEnc *xvidenc;
   GstBuffer *outbuf;
   XVID_ENC_FRAME xframe;
@@ -297,7 +298,7 @@ gst_xvidenc_chain (GstPad    *pad,
     GST_BUFFER_FLAG_SET(outbuf, GST_BUFFER_KEY_UNIT);
 
   /* go out, multiply! */
-  gst_pad_push(xvidenc->srcpad, outbuf);
+  gst_pad_push(xvidenc->srcpad, GST_DATA (outbuf));
 
   /* proclaim destiny */
   g_signal_emit(G_OBJECT(xvidenc),gst_xvidenc_signals[FRAME_ENCODED], 0);