Fix for GStreamer 0.9.

Original commit message from CVS:
* configure.ac:
* src/gstplugin.c: (gst_plugin_template_set_caps),
(gst_plugin_template_init), (gst_plugin_template_chain):
Fix for GStreamer 0.9.

3 files changed, 20 insertions, 24 deletions

diff --git a/gst-plugin/ChangeLog b/gst-plugin/ChangeLog
index 9b34696..cb4f8ec 100644
--- a/gst-plugin/ChangeLog
+++ b/gst-plugin/ChangeLog
@@ -1,3 +1,10 @@
+2005-06-30  Ronald S. Bultje  <rbultje@ronald.bitfreak.net>
+
+	* configure.ac:
+	* src/gstplugin.c: (gst_plugin_template_set_caps),
+	(gst_plugin_template_init), (gst_plugin_template_chain):
+	  Fix for GStreamer 0.9.
+
 2004-04-22  Thomas Vander Stichele  <thomas at apestaart dot org>
 
 	* Makefile.am:
diff --git a/gst-plugin/configure.ac b/gst-plugin/configure.ac
index 177846d..19b826f 100644
--- a/gst-plugin/configure.ac
+++ b/gst-plugin/configure.ac
@@ -31,12 +31,11 @@ fi
 dnl Now we're ready to ask for gstreamer libs and cflags
 dnl And we can also ask for the right version of gstreamer
 
-GST_REQUIRED=0.8
+GST_REQUIRED=0.9
 
-GST_MAJORMINOR=0.8
+GST_MAJORMINOR=0.9
 PKG_CHECK_MODULES(GST, \
-  gstreamer-$GST_MAJORMINOR >= $GST_REQUIRED \
-  gstreamer-control-$GST_MAJORMINOR >= $GST_REQUIRED,
+  gstreamer-$GST_MAJORMINOR >= $GST_REQUIRED,
   HAVE_GST=yes,HAVE_GST=no)
 
 dnl Give error and exit if we don't have gstreamer
diff --git a/gst-plugin/src/gstplugin.c b/gst-plugin/src/gstplugin.c
index afc6ad3..0402716 100644
--- a/gst-plugin/src/gstplugin.c
+++ b/gst-plugin/src/gstplugin.c
@@ -91,27 +91,21 @@ static void	gst_plugin_template_update_plugin(const GValue *value,
 static void	gst_plugin_template_update_mute	(const GValue *value,
 						 gpointer data);
 
-static void	gst_plugin_template_chain	(GstPad *pad, GstData *in);
+static GstFlowReturn gst_plugin_template_chain	(GstPad *pad, GstBuffer *buf);
 
 static GstElementClass *parent_class = NULL;
 
 /* this function handles the link with other plug-ins */
-static GstPadLinkReturn
-gst_plugin_template_link (GstPad *pad, const GstCaps *caps)
+static gboolean
+gst_plugin_template_set_caps (GstPad *pad, GstCaps *caps)
 {
   GstPluginTemplate *filter;
   GstPad *otherpad;
 
   filter = GST_PLUGIN_TEMPLATE (gst_pad_get_parent (pad));
-  g_return_val_if_fail (filter != NULL, GST_PAD_LINK_REFUSED);
-  g_return_val_if_fail (GST_IS_PLUGIN_TEMPLATE (filter),
-                        GST_PAD_LINK_REFUSED);
-  otherpad = (pad == filter->srcpad ? filter->sinkpad : filter->srcpad);
-
-  /* set caps on next or previous element's pad, and see what they
-   * think. In real cases, we would (after this step) extract
-   * properties from the caps such as video size or audio samplerat. */
-  return gst_pad_try_set_caps (otherpad, caps);
+  otherpad = (pad == filter->srcpad) ? filter->sinkpad : filter->srcpad;
+
+  return gst_pad_set_caps (pad, caps);
 }
 
 GType
@@ -190,12 +184,11 @@ gst_plugin_template_init (GstPluginTemplate *filter)
 
   filter->sinkpad = gst_pad_new_from_template (
 	gst_element_class_get_pad_template (klass, "sink"), "sink");
-  gst_pad_set_link_function (filter->sinkpad, gst_plugin_template_link);
+  gst_pad_set_setcaps_function (filter->sinkpad, gst_plugin_template_set_caps);
   gst_pad_set_getcaps_function (filter->sinkpad, gst_pad_proxy_getcaps);
 
   filter->srcpad = gst_pad_new_from_template (
 	gst_element_class_get_pad_template (klass, "src"), "src");
-  gst_pad_set_link_function (filter->srcpad, gst_plugin_template_link);
   gst_pad_set_getcaps_function (filter->srcpad, gst_pad_proxy_getcaps);
 
   gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad);
@@ -208,13 +201,10 @@ gst_plugin_template_init (GstPluginTemplate *filter)
  * this function does the actual processing
  */
 
-static void
-gst_plugin_template_chain (GstPad *pad, GstData *in)
+static GstFlowReturn
+gst_plugin_template_chain (GstPad *pad, GstBuffer *buf)
 {
   GstPluginTemplate *filter;
-  GstBuffer *out_buf, *buf = GST_BUFFER (in);
-  gfloat *data;
-  gint i, num_samples;
 
   g_return_if_fail (GST_IS_PAD (pad));
   g_return_if_fail (buf != NULL);
@@ -226,7 +216,7 @@ gst_plugin_template_chain (GstPad *pad, GstData *in)
     g_print ("I'm plugged, therefore I'm in.\n");
 
   /* just push out the incoming buffer without touching it */
-  gst_pad_push (filter->srcpad, GST_DATA (buf));
+  return gst_pad_push (filter->srcpad, buf);
 }
 
 static void