[gstreamermm] Gst:Buffer: add missing member getters

[Marcin Kolny <mkolny src gnome org>]

commit 6ccb4b77598658f46fa2a8872a743e176c2b3edb
Author: Marcin Kolny <marcin kolny gmail com>
Date:   Mon May 16 17:15:34 2016 +0200

    Gst:Buffer: add missing member getters
    
        gstreamer/src/bin.{ccg|hg}: add some getters.
        tools/m4/convert_gst.m4: add missing conversion definition.

 gstreamer/src/bin.ccg   |    3 ++-
 gstreamer/src/bin.hg    |   30 ++++++++++++++++++++++++++++--
 tools/m4/convert_gst.m4 |    1 +
 3 files changed, 31 insertions(+), 3 deletions(-)
---
diff --git a/gstreamer/src/bin.ccg b/gstreamer/src/bin.ccg
index 804f080..7fcfafc 100644
--- a/gstreamer/src/bin.ccg
+++ b/gstreamer/src/bin.ccg
@@ -1,6 +1,6 @@
 /* gstreamermm - a C++ wrapper for gstreamer
  *
- * Copyright 2008-2015 The gstreamermm Development Team
+ * Copyright 2008-2016 The gstreamermm Development Team
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -21,6 +21,7 @@
 #include <gstreamermm/pad.h>
 #include <gstreamermm/ghostpad.h>
 #include <gstreamermm/iterator.h>
+#include <gstreamermm/bus.h>
 #include <gstreamermm/handle_error.h>
 
 _PINCLUDE(glibmm/private/object_p.h)
diff --git a/gstreamer/src/bin.hg b/gstreamer/src/bin.hg
index c31811b..6fc8afd 100644
--- a/gstreamer/src/bin.hg
+++ b/gstreamer/src/bin.hg
@@ -1,6 +1,6 @@
 /* gstreamermm - a C++ wrapper for gstreamer
  *
- * Copyright 2008-2015 The gstreamermm Development Team
+ * Copyright 2008-2016 The gstreamermm Development Team
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -129,7 +129,8 @@ _WRAP_ENUM(BinFlags, GstBinFlags)
  * If all the sinks return true, the bin will also return true, else false is
  * returned. If no sinks are in the bin, the event handler will return true.
  *
- * Last reviewed on 2014-08-28 (1.2.4)
+ * Last reviewed on 2016-05-05 (1.8.0).
+ *
  * @ingroup GstBaseClasses
  */
 
@@ -252,6 +253,31 @@ public:
    */
   _MEMBER_GET(num_children, numchildren, int, int)
 
+  /** Gets the internal bus for handling child messages.
+   */
+  _MEMBER_GET_GOBJECT(child_bus,child_bus, Gst::Bus, GstBus*)
+
+  #m4 _CONVERSION(`GList*',`Glib::ListHandle< Glib::RefPtr<Gst::Message> >',`$2($3, Glib::OWNERSHIP_NONE)')
+  /** Gets the bin's queued and cached messages.
+   */
+  _MEMBER_GET(messages, messages, Glib::ListHandle< Glib::RefPtr<Gst::Message> >, GList*)
+
+  /** Gets whether the bin is currently calculating its state.
+   */
+  _MEMBER_GET(polling, polling, bool, gboolean)
+
+  /** Gets whether the bin needs to select a new clock.
+   */
+  _MEMBER_GET(clock_dirty, clock_dirty, bool, gboolean)
+
+  /** Gets the last clock selected.
+   */
+  _MEMBER_GET_GOBJECT(provided_clock, provided_clock, Gst::Clock, GstClock*)
+
+  /** Gets the element that provided @a provided_clock.
+   */
+  _MEMBER_GET_GOBJECT(clock_provider, clock_provider, Gst::Element, GstElement*)
+
   _WRAP_PROPERTY("async-handling", bool)
   _WRAP_PROPERTY("message-forward", bool)
 
diff --git a/tools/m4/convert_gst.m4 b/tools/m4/convert_gst.m4
index ce7bea5..d9f1449 100644
--- a/tools/m4/convert_gst.m4
+++ b/tools/m4/convert_gst.m4
@@ -125,6 +125,7 @@ _CONVERSION(`const Glib::RefPtr<Gst::BufferList>&', `GstBufferList*', `Glib::unw
 dnl Bus
 _CONVERSION(`const Glib::RefPtr<Gst::Bus>&',`GstBus*', `Glib::unwrap($3)')
 _CONVERSION(`GstBus*',`Glib::RefPtr<Gst::Bus>',`Glib::wrap($3)')
+_CONVERSION(`GstBus*',`Glib::RefPtr<const Gst::Bus>',`Glib::wrap($3)')
 
 dnl Caps
 _CONVERSION(`GstCaps*',`Glib::RefPtr<Gst::Caps>',`Glib::wrap($3)')