gst/: Work around missing bits of thread-safety on older GLibs some more to avoid assertions when starting up multipl...

Original commit message from CVS:
* gst-libs/gst/audio/gstbaseaudiosink.c:
(gst_base_audio_sink_class_init):
* gst-libs/gst/audio/gstbaseaudiosrc.c:
(gst_base_audio_src_class_init):
* gst/playback/gstplayback.c: (plugin_init):
* gst/volume/gstvolume.c: (plugin_init):
Work around missing bits of thread-safety on older GLibs some
more to avoid assertions when starting up multiple playbin
objects concurrently (see #512382).

ChangeLog

@@ -1,3 +1,15 @@
+2008-04-06  Tim-Philipp Müller  <tim at centricular dot net>
+
+	* gst-libs/gst/audio/gstbaseaudiosink.c:
+	  (gst_base_audio_sink_class_init):
+	* gst-libs/gst/audio/gstbaseaudiosrc.c:
+	  (gst_base_audio_src_class_init):
+	* gst/playback/gstplayback.c: (plugin_init):
+	* gst/volume/gstvolume.c: (plugin_init):
+	  Work around missing bits of thread-safety on older GLibs some
+	  more to avoid assertions when starting up multiple playbin
+	  objects concurrently (see #512382).
+
 2008-04-06  Tim-Philipp Müller  <tim at centricular dot net>
 
 	* gst-libs/gst/pbutils/missing-plugins.c: (copy_and_clean_caps):

gst-libs/gst/audio/gstbaseaudiosink.c

@@ -216,6 +216,7 @@ gst_base_audio_sink_class_init (GstBaseAudioSinkClass * klass)
   /* ref class from a thread-safe context to work around missing bit of
    * thread-safety in GObject */
   g_type_class_ref (GST_TYPE_AUDIO_CLOCK);
+  g_type_class_ref (GST_TYPE_RING_BUFFER);
 }
 
 static void

gst-libs/gst/audio/gstbaseaudiosrc.c

@@ -175,6 +175,7 @@ gst_base_audio_src_class_init (GstBaseAudioSrcClass * klass)
   /* ref class from a thread-safe context to work around missing bit of
    * thread-safety in GObject */
   g_type_class_ref (GST_TYPE_AUDIO_CLOCK);
+  g_type_class_ref (GST_TYPE_RING_BUFFER);
 }
 
 static void

gst/playback/gstplayback.c

@@ -27,6 +27,9 @@
 #include <gst/gst-i18n-plugin.h>
 #include <gst/pbutils/pbutils.h>
 
+#include "gststreamselector.h"
+#include "gststreaminfo.h"
+
 gboolean gst_play_bin_plugin_init (GstPlugin * plugin);
 gboolean gst_play_bin2_plugin_init (GstPlugin * plugin);
 
@@ -43,6 +46,11 @@ plugin_init (GstPlugin * plugin)
   bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
 #endif /* ENABLE_NLS */
 
+  /* ref class from a thread-safe context to work around missing bit of
+   * thread-safety in GObject */
+  g_type_class_ref (GST_TYPE_STREAM_INFO);
+  g_type_class_ref (GST_TYPE_STREAM_SELECTOR);
+
   res = gst_play_bin_plugin_init (plugin);
   res &= gst_play_bin2_plugin_init (plugin);
 

gst/volume/gstvolume.c

@@ -801,6 +801,10 @@ plugin_init (GstPlugin * plugin)
 
   GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "volume", 0, "Volume gain");
 
+  /* ref class from a thread-safe context to work around missing bit of
+   * thread-safety in GObject */
+  g_type_class_ref (GST_TYPE_MIXER_TRACK);
+
   return gst_element_register (plugin, "volume", GST_RANK_NONE,
       GST_TYPE_VOLUME);
 }