[gstreamermm] Virtual functions: const corrections.

[José Alburquerque <jaalburqu src gnome org>]

commit 5efd6c99b34b9b03c2861587c1f3b9c78649db8a
Author: José Alburquerque <jaalburqu svn gnome org>
Date:   Thu Oct 14 19:53:01 2010 -0400

    	Virtual functions: const corrections.
    
    	* gstreamer/src/audiosink.hg:
    	* gstreamer/src/audiosrc.hg:
    	* gstreamer/src/cddabasesrc.hg:
    	* gstreamer/src/preset.ccg:
    	* gstreamer/src/preset.hg: Const corrections.
    	* gstreamer/src/bin.hg: Typo.

 ChangeLog                    |   11 +++++++++++
 gstreamer/src/audiosink.hg   |    2 +-
 gstreamer/src/audiosrc.hg    |    2 +-
 gstreamer/src/bin.hg         |    1 -
 gstreamer/src/cddabasesrc.hg |    2 +-
 gstreamer/src/preset.ccg     |    5 +++--
 gstreamer/src/preset.hg      |    2 +-
 7 files changed, 18 insertions(+), 7 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 619bcce..217ad01 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,14 @@
+2010-10-14  José Alburquerque  <jaalburqu svn gnome org>
+
+	Virtual functions: const corrections.
+
+	* gstreamer/src/audiosink.hg:
+	* gstreamer/src/audiosrc.hg:
+	* gstreamer/src/cddabasesrc.hg:
+	* gstreamer/src/preset.ccg:
+	* gstreamer/src/preset.hg: Const corrections.
+	* gstreamer/src/bin.hg: Typo.
+
 2010-09-02  José Alburquerque  <jaalburqu svn gnome org>
 
 	AudioSrc, BaseSrc: Wrap boolean virtual functions.
diff --git a/gstreamer/src/audiosink.hg b/gstreamer/src/audiosink.hg
index 0ba91b5..6718b7c 100644
--- a/gstreamer/src/audiosink.hg
+++ b/gstreamer/src/audiosink.hg
@@ -76,7 +76,7 @@ public:
   /** vfunc to return how many samples are still in the device. This is used to
    * drive the synchronisation.
    */
-  _WRAP_VFUNC(guint get_delay(), "delay")
+  _WRAP_VFUNC(guint get_delay() const, "delay")
 
   /** vfunc to return as quickly as possible from a write and flush any pending
    * samples from the device.
diff --git a/gstreamer/src/audiosrc.hg b/gstreamer/src/audiosrc.hg
index 2941603..8bf7ee6 100644
--- a/gstreamer/src/audiosrc.hg
+++ b/gstreamer/src/audiosrc.hg
@@ -74,7 +74,7 @@ public:
 
   /** vfunc to get the number of samples queued in the device.
    */
-  _WRAP_VFUNC(guint get_delay(), "delay")
+  _WRAP_VFUNC(guint get_delay() const, "delay")
 
   /** vfunc to unblock a read to the device and reset.
    */
diff --git a/gstreamer/src/bin.hg b/gstreamer/src/bin.hg
index 7d61a72..4a3c8fd 100644
--- a/gstreamer/src/bin.hg
+++ b/gstreamer/src/bin.hg
@@ -244,7 +244,6 @@ public:
   _WRAP_SIGNAL(void element_removed(const Glib::RefPtr<Gst::Element>& element), "element-removed")
 
   //TODO: The default signal handler is marked as private in the C header. Is that intendend?
-  //The docs suggest that the signal can be used, so apparently it is for public use.  It looks like a typo.
   _WRAP_SIGNAL(bool do_latency(), "do-latency")
 
   _WRAP_PROPERTY("async-handling", bool)
diff --git a/gstreamer/src/cddabasesrc.hg b/gstreamer/src/cddabasesrc.hg
index e40764d..c929223 100644
--- a/gstreamer/src/cddabasesrc.hg
+++ b/gstreamer/src/cddabasesrc.hg
@@ -99,7 +99,7 @@ public:
   /** Virtual function to get default device.  It is optional and may return
    * an empty string.
    */
-  _WRAP_VFUNC(std::string get_default_device(), "get_default_device")
+  _WRAP_VFUNC(std::string get_default_device() const, "get_default_device")
 
   /** Virtual function to return array of CD devices.  It is optional and may
    * return an empty array.
diff --git a/gstreamer/src/preset.ccg b/gstreamer/src/preset.ccg
index 5d69683..5bb3876 100644
--- a/gstreamer/src/preset.ccg
+++ b/gstreamer/src/preset.ccg
@@ -182,7 +182,8 @@ g_type_interface_peek(G_OBJECT_GET_CLASS(gobject_), CppObjectType::get_type()) /
   typedef Glib::StringArrayHandle RType;
   return Glib::StringArrayHandle(0, Glib::OWNERSHIP_NONE);
 }
-bool Gst::Preset::get_meta_vfunc(const Glib::ustring& name, const Glib::ustring& tag, Glib::ustring& value) 
+bool Gst::Preset::get_meta_vfunc(const Glib::ustring& name,
+  const Glib::ustring& tag, Glib::ustring& value) const
 {
   BaseClassType *const base = static_cast<BaseClassType*>(
       g_type_interface_peek_parent( // Get the parent interface of the interface (The original underlying C interface).
@@ -192,7 +193,7 @@ g_type_interface_peek(G_OBJECT_GET_CLASS(gobject_), CppObjectType::get_type()) /
   if(base && base->get_meta)
   {
     gchar* gst_value;
-    const bool result = (*base->get_meta)(gobj(),((name).c_str()),((tag).c_str()), &gst_value);
+    const bool result = (*base->get_meta)(const_cast<GstPreset*>(gobj()),((name).c_str()),((tag).c_str()), &gst_value);
     value = gst_value;
     g_free(gst_value);
     return result;
diff --git a/gstreamer/src/preset.hg b/gstreamer/src/preset.hg
index 3e129d9..0593670 100644
--- a/gstreamer/src/preset.hg
+++ b/gstreamer/src/preset.hg
@@ -69,7 +69,7 @@ public:
   _WRAP_VFUNC(bool set_meta(const Glib::ustring& name, const Glib::ustring& tag, const Glib::ustring& value), "set_meta")
 
   virtual bool get_meta_vfunc(const Glib::ustring& name,
-    const Glib::ustring& tag, Glib::ustring& value);
+    const Glib::ustring& tag, Glib::ustring& value) const;
 
 protected:
 #m4begin