Bring the plugins in sync with the new core capsnego system.

Original commit message from CVS:
Bring the plugins in sync with the new core capsnego system.
Added some features, enhancements...

ext/Makefile.am

@@ -151,7 +151,8 @@ RTP_DIR=
 endif
 
 if USE_SDL
-SDL_DIR=sdl
+#SDL_DIR=sdl
+SDL_DIR=
 else
 SDL_DIR=
 endif

ext/alsa/gstalsa.c

@@ -57,7 +57,7 @@ static GstPad* gst_alsa_request_new_pad (GstElement *element, GstPadTemplate *te
 static void gst_alsa_set_property(GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
 static void gst_alsa_get_property(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
 static GstElementStateReturn gst_alsa_change_state(GstElement *element);
-static GstPadNegotiateReturn gst_alsa_negotiate(GstPad *pad, GstCaps **caps, gpointer *user_data);
+//static GstPadNegotiateReturn gst_alsa_negotiate(GstPad *pad, GstCaps **caps, gpointer *user_data);
 
 static GstCaps* gst_alsa_caps (GstAlsa *this);
 
@@ -305,7 +305,7 @@ gst_alsa_init(GstAlsa *this)
     
     gst_element_add_pad(GST_ELEMENT(this), GST_ALSA_PAD(this->pads)->pad);
     
-    gst_pad_set_negotiate_function(GST_ALSA_PAD(this->pads)->pad, gst_alsa_negotiate);
+    //gst_pad_set_negotiate_function(GST_ALSA_PAD(this->pads)->pad, gst_alsa_negotiate);
     gst_element_set_loop_function(GST_ELEMENT(this), gst_alsa_loop);
 }
 
@@ -358,7 +358,7 @@ gst_alsa_request_new_pad (GstElement *element, GstPadTemplate *templ, const gcha
     pad->channel = channel;
     pad->pad = gst_pad_new_from_template (templ, newname);
     gst_element_add_pad (GST_ELEMENT (this), pad->pad);
-    gst_pad_set_negotiate_function(pad->pad, gst_alsa_negotiate);
+    //gst_pad_set_negotiate_function(pad->pad, gst_alsa_negotiate);
     
     if (this->data_interleaved && this->pads) {
         gst_element_remove_pad (GST_ELEMENT (this), GST_ALSA_PAD(this->pads)->pad);
@@ -715,6 +715,7 @@ gst_alsa_caps (GstAlsa *this)
 /*
  * Negotiates the caps, "borrowed" from gstosssink.c
  */
+#if 0
 GstPadNegotiateReturn
 gst_alsa_negotiate(GstPad *pad, GstCaps **caps, gpointer *user_data)
 {
@@ -766,6 +767,7 @@ gst_alsa_negotiate(GstPad *pad, GstCaps **caps, gpointer *user_data)
     
     return GST_PAD_NEGOTIATE_FAIL;
 }
+#endif
 
 /* shamelessly stolen from pbd's audioengine. thanks, paul! */
 static void
@@ -878,7 +880,7 @@ gst_alsa_src_process (GstAlsa *this, snd_pcm_uframes_t frames)
         caps = gst_alsa_caps(this);
         l = this->pads;
         while (l) {
-            if (!gst_pad_set_caps (GST_ALSA_PAD(l)->pad, caps)) {
+            if (!gst_pad_try_set_caps (GST_ALSA_PAD(l)->pad, caps)) {
                 g_print ("DANGER WILL ROBINSON!\n");
                 sleep(1);
                 return FALSE;

ext/cdparanoia/gstcdparanoia.c

@@ -242,7 +242,6 @@ cdparanoia_init (CDParanoia *cdparanoia)
   cdparanoia->srcpad = gst_pad_new_from_template (
 		  GST_PADTEMPLATE_GET (cdparanoia_src_factory), "src");
   gst_pad_set_get_function (cdparanoia->srcpad, cdparanoia_get);
-  gst_pad_set_caps (cdparanoia->srcpad, gst_pad_get_padtemplate_caps (cdparanoia->srcpad));
   gst_element_add_pad (GST_ELEMENT (cdparanoia), cdparanoia->srcpad);
 
   cdparanoia->device = "/dev/cdrom";

ext/vorbis/vorbisdec.c

@@ -300,18 +300,18 @@ gst_vorbisdec_loop (GstElement * element)
 		gst_event_new_info ("bitrate_window", GST_PROPS_INT (vi.bitrate_window), NULL));
     }
 
-    gst_pad_set_caps (vorbisdec->srcpad,
-		      gst_caps_new ("vorbisdec_src",
+    gst_pad_try_set_caps (vorbisdec->srcpad,
+		      GST_CAPS_NEW ("vorbisdec_src",
 				    "audio/raw",
-				    gst_props_new ("format",     GST_PROPS_STRING ("int"),
-						   "law",        GST_PROPS_INT (0),
-						   "endianness", GST_PROPS_INT (G_BYTE_ORDER),
-						   "signed",     GST_PROPS_BOOLEAN (TRUE),
-						   "width",      GST_PROPS_INT (16),
-						   "depth",      GST_PROPS_INT (16),
-						   "rate",       GST_PROPS_INT (vi.rate),
-						   "channels",   GST_PROPS_INT (vi.channels), 
-						   NULL)));
+				      "format",     GST_PROPS_STRING ("int"),
+				      "law",        GST_PROPS_INT (0),
+				      "endianness", GST_PROPS_INT (G_BYTE_ORDER),
+				      "signed",     GST_PROPS_BOOLEAN (TRUE),
+				      "width",      GST_PROPS_INT (16),
+				      "depth",      GST_PROPS_INT (16),
+				      "rate",       GST_PROPS_INT (vi.rate),
+				      "channels",   GST_PROPS_INT (vi.channels)
+				   ));
 
     vorbisdec->convsize = 4096 / vi.channels;
 

ext/vorbis/vorbisenc.c

@@ -109,17 +109,25 @@ gst_vorbisenc_class_init (VorbisEncClass * klass)
   gobject_class->get_property = gst_vorbisenc_get_property;
 }
 
-static void
-gst_vorbisenc_newcaps (GstPad * pad, GstCaps * caps)
+static GstPadConnectReturn
+gst_vorbisenc_sinkconnect (GstPad * pad, GstCaps * caps)
 {
   VorbisEnc *vorbisenc;
 
   vorbisenc = GST_VORBISENC (gst_pad_get_parent (pad));
 
+  if (!GST_CAPS_IS_FIXED (caps))
+    return GST_PAD_CONNECT_DELAYED;
+
   vorbisenc->channels = gst_caps_get_int (caps, "channels");
   vorbisenc->frequency = gst_caps_get_int (caps, "rate");
 
   gst_vorbisenc_setup (vorbisenc);
+
+  if (vorbisenc->setup)
+    return GST_PAD_CONNECT_OK;
+
+  return GST_PAD_CONNECT_REFUSED;
 }
 
 static void
@@ -128,10 +136,9 @@ gst_vorbisenc_init (VorbisEnc * vorbisenc)
   vorbisenc->sinkpad = gst_pad_new_from_template (enc_sink_template, "sink");
   gst_element_add_pad (GST_ELEMENT (vorbisenc), vorbisenc->sinkpad);
   gst_pad_set_chain_function (vorbisenc->sinkpad, gst_vorbisenc_chain);
-  gst_pad_set_newcaps_function (vorbisenc->sinkpad, gst_vorbisenc_newcaps);
+  gst_pad_set_connect_function (vorbisenc->sinkpad, gst_vorbisenc_sinkconnect);
 
   vorbisenc->srcpad = gst_pad_new_from_template (enc_src_template, "src");
-  gst_pad_set_caps (vorbisenc->srcpad, gst_pad_get_padtemplate_caps (vorbisenc->srcpad));
   gst_element_add_pad (GST_ELEMENT (vorbisenc), vorbisenc->srcpad);
 
   vorbisenc->channels = 2;

gst/audioscale/gstaudioscale.c

@@ -161,40 +161,8 @@ gst_audioscale_class_init (AudioscaleClass *klass)
 
 }
 
-static GstPadNegotiateReturn
-audioscale_negotiate_src (GstPad * pad, GstCaps ** caps, gpointer * data)
-{
-  Audioscale *audioscale = GST_AUDIOSCALE (gst_pad_get_parent (pad));
-
-  g_print ("audioscale_negotiate_src\n");
-
-  if (*caps == NULL)
-    return GST_PAD_NEGOTIATE_FAIL;
-
-  *caps = gst_caps_copy_on_write (*caps);
-  gst_caps_set (*caps, "rate", GST_PROPS_INT_RANGE (8000, 48000));
-
-  return gst_pad_negotiate_proxy (pad, audioscale->sinkpad, caps);
-}
-
-static GstPadNegotiateReturn
-audioscale_negotiate_sink (GstPad * pad, GstCaps ** caps, gpointer * data)
-{
-  Audioscale *audioscale = GST_AUDIOSCALE (gst_pad_get_parent (pad));
-
-  g_print ("audioscale_negotiate_sink\n");
-
-  if (*caps == NULL)
-    return GST_PAD_NEGOTIATE_FAIL;
-
-  *caps = gst_caps_copy_on_write (*caps);
-  gst_caps_set (*caps, "rate", GST_PROPS_INT (audioscale->targetfrequency));
-
-  return gst_pad_negotiate_proxy (pad, audioscale->srcpad, caps);
-}
-
-static void
-gst_audioscale_newcaps (GstPad * pad, GstCaps * caps)
+static GstPadConnectReturn
+gst_audioscale_sinkconnect (GstPad * pad, GstCaps * caps)
 {
   Audioscale *audioscale;
   resample_t *r;
@@ -208,6 +176,7 @@ gst_audioscale_newcaps (GstPad * pad, GstCaps * caps)
   resample_reinit(r);
   //g_print("audioscale: unsupported scaling method %d\n", audioscale->method);
   
+  return GST_PAD_CONNECT_OK;
 }
 
 static void *
@@ -228,13 +197,11 @@ gst_audioscale_init (Audioscale *audioscale)
   resample_t *r;
 
   audioscale->sinkpad = gst_pad_new_from_template (GST_PADTEMPLATE_GET (sink_template), "sink");
-  gst_pad_set_negotiate_function (audioscale->sinkpad, audioscale_negotiate_sink);
   gst_element_add_pad(GST_ELEMENT(audioscale),audioscale->sinkpad);
   gst_pad_set_chain_function(audioscale->sinkpad,gst_audioscale_chain);
-  gst_pad_set_newcaps_function (audioscale->sinkpad, gst_audioscale_newcaps);
+  gst_pad_set_connect_function (audioscale->sinkpad, gst_audioscale_sinkconnect);
 
   audioscale->srcpad = gst_pad_new_from_template (GST_PADTEMPLATE_GET (src_template), "src");
-  gst_pad_set_negotiate_function (audioscale->srcpad, audioscale_negotiate_src);
 
   gst_element_add_pad(GST_ELEMENT(audioscale),audioscale->srcpad);
 

gst/sine/gstsinesrc.c

@@ -76,7 +76,7 @@ GST_PADTEMPLATE_FACTORY (sinesrc_src_factory,
 
 static void 			gst_sinesrc_class_init		(GstSineSrcClass *klass);
 static void 			gst_sinesrc_init		(GstSineSrc *src);
-static void 	gst_sinesrc_newcaps 		(GstPad *pad, GstCaps *caps); 
+static void 			gst_sinesrc_sinkconnect		(GstPad *pad, GstCaps *caps); 
 static void 			gst_sinesrc_set_property	(GObject *object, guint prop_id, 
 								 const GValue *value, GParamSpec *pspec);
 static void 			gst_sinesrc_get_property	(GObject *object, guint prop_id, 
@@ -162,7 +162,6 @@ gst_sinesrc_init (GstSineSrc *src)
   src->srcpad = gst_pad_new_from_template (
 		  GST_PADTEMPLATE_GET (sinesrc_src_factory), "src");
   gst_element_add_pad(GST_ELEMENT(src), src->srcpad);
-  gst_pad_set_newcaps_function (src->srcpad, gst_sinesrc_newcaps);
   
   gst_pad_set_get_function(src->srcpad, gst_sinesrc_get);
 
@@ -204,17 +203,6 @@ gst_sinesrc_init (GstSineSrc *src)
 
 }
 
-static void 
-gst_sinesrc_newcaps (GstPad *pad, GstCaps *caps) 
-{
-  GstSineSrc *src;
-  g_return_if_fail (pad != NULL);
-  g_return_if_fail (caps != NULL);
-  src = GST_SINESRC(gst_pad_get_parent (pad));
-  src->samplerate = gst_caps_get_int (caps, "rate");
-  gst_sinesrc_update_table_inc(src);
-}
-
 static GstBuffer *
 gst_sinesrc_get(GstPad *pad)
 {
@@ -410,23 +398,20 @@ gst_sinesrc_force_caps(GstSineSrc *src) {
   
   src->newcaps=FALSE;
 
-  caps = gst_caps_new (
-		    "sinesrc_src_caps",
-		    "audio/raw",
-		     gst_props_new (
-		           "format", 		GST_PROPS_STRING ("int"),
-    			     "law",     	GST_PROPS_INT (0),
-    			     "endianness",     	GST_PROPS_INT (G_BYTE_ORDER),
-    			     "signed",   	GST_PROPS_BOOLEAN (TRUE),
-    			     "width",   	GST_PROPS_INT (16),
-			     "depth", 		GST_PROPS_INT (16),
-			     "rate", 		GST_PROPS_INT (src->samplerate),
-			     "channels", 	GST_PROPS_INT (1),
-			     NULL
-			     )
-		    );
+  caps = GST_CAPS_NEW (
+	   "sinesrc_src_caps",
+	   "audio/raw",
+	    "format", 		GST_PROPS_STRING ("int"),
+    	     "law",     	GST_PROPS_INT (0),
+    	     "endianness",     	GST_PROPS_INT (G_BYTE_ORDER),
+    	     "signed",   	GST_PROPS_BOOLEAN (TRUE),
+    	     "width",   	GST_PROPS_INT (16),
+	     "depth", 		GST_PROPS_INT (16),
+	     "rate", 		GST_PROPS_INT (src->samplerate),
+	     "channels", 	GST_PROPS_INT (1)
+	  );
   
-  gst_pad_set_caps (src->srcpad, caps);
+  gst_pad_try_set_caps (src->srcpad, caps);
 }
 
 static gboolean

gst/videoscale/gstvideoscale.c

@@ -145,6 +145,7 @@ gst_videoscale_class_init (GstVideoscaleClass *klass)
 
 }
 
+/*
 static GstPadNegotiateReturn
 videoscale_negotiate_src (GstPad *pad, GstCaps **caps, gpointer *data)
 {
@@ -176,15 +177,20 @@ videoscale_negotiate_sink (GstPad *pad, GstCaps **caps, gpointer *data)
   
   return GST_PAD_NEGOTIATE_AGREE;
 }
+*/
 
-static void
-gst_videoscale_newcaps (GstPad *pad, GstCaps *caps)
+static GstPadConnectReturn
+gst_videoscale_sinkconnect (GstPad *pad, GstCaps *caps)
 {
   GstVideoscale *videoscale;
 
-  GST_DEBUG(0,"gst_videoscale_newcaps\n");
+  GST_DEBUG(0,"gst_videoscale_sinkconnect\n");
   videoscale = GST_VIDEOSCALE (gst_pad_get_parent (pad));
 
+  if (!GST_CAPS_IS_FIXED (caps)) {
+    return GST_PAD_CONNECT_DELAYED;
+  }
+
   videoscale->width = gst_caps_get_int (caps, "width");
   videoscale->height = gst_caps_get_int (caps, "height");
   videoscale->format = gst_caps_get_int (caps, "format");
@@ -195,7 +201,7 @@ gst_videoscale_newcaps (GstPad *pad, GstCaps *caps)
 		videoscale->targetheight);
 
   GST_DEBUG(0,"width %d\n",videoscale->targetwidth);
-  gst_pad_set_caps (videoscale->srcpad, 
+  gst_pad_try_set_caps (videoscale->srcpad, 
 		    GST_CAPS_NEW (
 		      "videoscale_src",
 		      "video/raw",
@@ -203,6 +209,8 @@ gst_videoscale_newcaps (GstPad *pad, GstCaps *caps)
 			"width",	GST_PROPS_INT (videoscale->targetwidth),
 			"height",	GST_PROPS_INT (videoscale->targetheight)
 		    ));
+
+  return GST_PAD_CONNECT_OK;
 }
 
 static void
@@ -211,14 +219,14 @@ gst_videoscale_init (GstVideoscale *videoscale)
   GST_DEBUG(0,"gst_videoscale_init\n");
   videoscale->sinkpad = gst_pad_new_from_template (
 		  GST_PADTEMPLATE_GET (sink_templ), "sink");
-  gst_pad_set_negotiate_function(videoscale->sinkpad,videoscale_negotiate_sink);
+  //gst_pad_set_negotiate_function(videoscale->sinkpad,videoscale_negotiate_sink);
   gst_element_add_pad(GST_ELEMENT(videoscale),videoscale->sinkpad);
   gst_pad_set_chain_function(videoscale->sinkpad,gst_videoscale_chain);
-  gst_pad_set_newcaps_function(videoscale->sinkpad,gst_videoscale_newcaps);
+  gst_pad_set_connect_function(videoscale->sinkpad,gst_videoscale_sinkconnect);
 
   videoscale->srcpad = gst_pad_new_from_template (
 		  GST_PADTEMPLATE_GET (src_templ), "src");
-  gst_pad_set_negotiate_function(videoscale->srcpad,videoscale_negotiate_src);
+  //gst_pad_set_negotiate_function(videoscale->srcpad,videoscale_negotiate_src);
   gst_element_add_pad(GST_ELEMENT(videoscale),videoscale->srcpad);
 
   videoscale->targetwidth = -1;

gst/volume/gstvolume.c

@@ -108,6 +108,7 @@ volume_get_bufferpool (GstPad *pad)
   return gst_pad_get_bufferpool (filter->srcpad);
 }
 
+/*
 static GstPadNegotiateReturn
 volume_negotiate_src (GstPad *pad, GstCaps **caps, gpointer *data)
 {
@@ -135,6 +136,7 @@ volume_negotiate_sink (GstPad *pad, GstCaps **caps, gpointer *data)
   
   return gst_pad_negotiate_proxy(pad,filter->srcpad,caps);
 }	
+*/
 
 static gint
 volume_parse_caps (GstVolume *filter, GstCaps *caps)
@@ -231,10 +233,10 @@ static void
 volume_init (GstVolume *filter)
 {
   filter->sinkpad = gst_pad_new_from_template(volume_sink_factory (),"sink");
-  gst_pad_set_negotiate_function(filter->sinkpad,volume_negotiate_sink);
+  //gst_pad_set_negotiate_function(filter->sinkpad,volume_negotiate_sink);
   gst_pad_set_bufferpool_function(filter->sinkpad,volume_get_bufferpool);
   filter->srcpad = gst_pad_new_from_template(volume_src_factory (),"src");
-  gst_pad_set_negotiate_function(filter->srcpad,volume_negotiate_src);
+  //gst_pad_set_negotiate_function(filter->srcpad,volume_negotiate_src);
   
   gst_element_add_pad(GST_ELEMENT(filter),filter->sinkpad);
   gst_element_add_pad(GST_ELEMENT(filter),filter->srcpad);

sys/v4l/gstv4lmjpegsink.c

@@ -155,14 +155,17 @@ gst_v4lmjpegsink_class_init (GstV4lMjpegSinkClass *klass)
   gstelement_class->change_state = gst_v4lmjpegsink_change_state;
 }
 
-static void
-gst_v4lmjpegsink_newcaps (GstPad  *pad,
+static GstPadConnectReturn
+gst_v4lmjpegsink_sinkconnect (GstPad  *pad,
                           GstCaps *caps)
 {
   GstV4lMjpegSink *v4lmjpegsink;
 
   v4lmjpegsink = GST_V4LMJPEGSINK (gst_pad_get_parent (pad));
 
+  if (!GST_CAPS_IS_FIXED (caps))
+    return GST_PAD_CONNECT_DELAYED;
+
   v4lmjpegsink->width =  gst_caps_get_int (caps, "width");
   v4lmjpegsink->height =  gst_caps_get_int (caps, "height");
 
@@ -173,6 +176,8 @@ gst_v4lmjpegsink_newcaps (GstPad  *pad,
 
   g_signal_emit (G_OBJECT (v4lmjpegsink), gst_v4lmjpegsink_signals[SIGNAL_HAVE_SIZE], 0,
     v4lmjpegsink->width, v4lmjpegsink->height);
+
+  return GST_PAD_CONNECT_OK;
 }
 
 
@@ -182,7 +187,7 @@ gst_v4lmjpegsink_init (GstV4lMjpegSink *v4lmjpegsink)
   v4lmjpegsink->sinkpad = gst_pad_new_from_template(GST_PADTEMPLATE_GET (sink_template), "sink");
   gst_element_add_pad (GST_ELEMENT (v4lmjpegsink), v4lmjpegsink->sinkpad);
   gst_pad_set_chain_function (v4lmjpegsink->sinkpad, gst_v4lmjpegsink_chain);
-  gst_pad_set_newcaps_function (v4lmjpegsink->sinkpad, gst_v4lmjpegsink_newcaps);
+  gst_pad_set_connect_function (v4lmjpegsink->sinkpad, gst_v4lmjpegsink_sinkconnect);
 
   v4lmjpegsink->clock = gst_clock_get_system();
   gst_clock_register(v4lmjpegsink->clock, GST_OBJECT(v4lmjpegsink));

sys/v4l/gstv4lmjpegsrc.c

@@ -57,9 +57,11 @@ static void                  gst_v4lmjpegsrc_class_init   (GstV4lMjpegSrcClass *
 static void                  gst_v4lmjpegsrc_init         (GstV4lMjpegSrc *v4lmjpegsrc);
 
 /* pad/buffer functions */
+/*
 static GstPadNegotiateReturn gst_v4lmjpegsrc_negotiate    (GstPad         *pad,
                                                            GstCaps        **caps,
                                                            gpointer       *user_data);
+							   */
 static GstCaps*              gst_v4lmjpegsrc_create_caps  (GstV4lMjpegSrc *v4lmjpegsrc);
 static GstBuffer*            gst_v4lmjpegsrc_get          (GstPad         *pad);
 
@@ -176,7 +178,7 @@ gst_v4lmjpegsrc_init (GstV4lMjpegSrc *v4lmjpegsrc)
   gst_element_add_pad(GST_ELEMENT(v4lmjpegsrc), v4lmjpegsrc->srcpad);
 
   gst_pad_set_get_function (v4lmjpegsrc->srcpad, gst_v4lmjpegsrc_get);
-  gst_pad_set_negotiate_function (v4lmjpegsrc->srcpad, gst_v4lmjpegsrc_negotiate);
+  //gst_pad_set_negotiate_function (v4lmjpegsrc->srcpad, gst_v4lmjpegsrc_negotiate);
 
   v4lmjpegsrc->bufferpool = gst_buffer_pool_new();
   gst_buffer_pool_set_buffer_new_function(v4lmjpegsrc->bufferpool, gst_v4lmjpegsrc_buffer_new);
@@ -205,6 +207,7 @@ gst_v4lmjpegsrc_init (GstV4lMjpegSrc *v4lmjpegsrc)
 
 
 
+/*
 static GstPadNegotiateReturn
 gst_v4lmjpegsrc_negotiate (GstPad   *pad,
                            GstCaps  **caps,
@@ -223,6 +226,7 @@ gst_v4lmjpegsrc_negotiate (GstPad   *pad,
 
   return GST_PAD_NEGOTIATE_FAIL;
 }
+*/
 
 
 static GstCaps*
@@ -253,7 +257,7 @@ gst_v4lmjpegsrc_get (GstPad *pad)
   v4lmjpegsrc = GST_V4LMJPEGSRC (gst_pad_get_parent (pad));
 
   if (v4lmjpegsrc->init) {
-    gst_pad_set_caps (v4lmjpegsrc->srcpad, gst_v4lmjpegsrc_create_caps (v4lmjpegsrc));
+    gst_pad_try_set_caps (v4lmjpegsrc->srcpad, gst_v4lmjpegsrc_create_caps (v4lmjpegsrc));
     v4lmjpegsrc->init = FALSE;
   }
   else {

sys/v4l/gstv4lsrc.c

@@ -54,9 +54,10 @@ static void                  gst_v4lsrc_class_init   (GstV4lSrcClass *klass);
 static void                  gst_v4lsrc_init         (GstV4lSrc      *v4lsrc);
 
 /* pad/buffer functions */
-static GstPadNegotiateReturn gst_v4lsrc_negotiate    (GstPad         *pad,
+/*static GstPadNegotiateReturn gst_v4lsrc_negotiate    (GstPad         *pad,
                                                       GstCaps        **caps,
                                                       gpointer       *user_data);
+						      */
 static GstCaps*              gst_v4lsrc_create_caps  (GstV4lSrc      *v4lsrc);
 static GstBuffer*            gst_v4lsrc_get          (GstPad         *pad);
 
@@ -154,7 +155,7 @@ gst_v4lsrc_init (GstV4lSrc *v4lsrc)
   gst_element_add_pad(GST_ELEMENT(v4lsrc), v4lsrc->srcpad);
 
   gst_pad_set_get_function (v4lsrc->srcpad, gst_v4lsrc_get);
-  gst_pad_set_negotiate_function (v4lsrc->srcpad, gst_v4lsrc_negotiate);
+  //gst_pad_set_negotiate_function (v4lsrc->srcpad, gst_v4lsrc_negotiate);
 
   v4lsrc->bufferpool = gst_buffer_pool_new();
   gst_buffer_pool_set_buffer_new_function(v4lsrc->bufferpool, gst_v4lsrc_buffer_new);
@@ -171,6 +172,7 @@ gst_v4lsrc_init (GstV4lSrc *v4lsrc)
 }
 
 
+#if 0
 static GstPadNegotiateReturn
 gst_v4lsrc_negotiate (GstPad   *pad,
                       GstCaps  **caps,
@@ -255,6 +257,7 @@ gst_v4lsrc_negotiate (GstPad   *pad,
 
   return GST_PAD_NEGOTIATE_FAIL;
 }
+#endif
 
 
 static GstCaps*
@@ -361,7 +364,7 @@ gst_v4lsrc_get (GstPad *pad)
   v4lsrc = GST_V4LSRC (gst_pad_get_parent (pad));
 
   if (v4lsrc->init) {
-    gst_pad_set_caps (v4lsrc->srcpad, gst_v4lsrc_create_caps (v4lsrc));
+    gst_pad_try_set_caps (v4lsrc->srcpad, gst_v4lsrc_create_caps (v4lsrc));
     v4lsrc->init = FALSE;
   }
   else {