Fixes a bunch of problems with finalize and dispose functions, either assumptions that dispose is only called once, o...

Original commit message from CVS:
* ext/alsa/gstalsa.c: (gst_alsa_class_init), (gst_alsa_dispose),
(gst_alsa_finalize):
* ext/cdaudio/gstcdaudio.c: (gst_cdaudio_class_init),
(gst_cdaudio_finalize):
* ext/cdparanoia/gstcdparanoia.c: (cdparanoia_class_init),
(cdparanoia_finalize):
* ext/divx/gstdivxdec.c: (gst_divxdec_dispose):
* ext/divx/gstdivxenc.c: (gst_divxenc_dispose):
* ext/dvdread/dvdreadsrc.c: (dvdreadsrc_class_init),
(dvdreadsrc_finalize):
* ext/flac/gstflacdec.c: (gst_flacdec_class_init),
(gst_flacdec_finalize):
* ext/flac/gstflacenc.c: (gst_flacenc_class_init),
(gst_flacenc_finalize):
* ext/gnomevfs/gstgnomevfssink.c: (gst_gnomevfssink_class_init),
(gst_gnomevfssink_finalize):
* ext/gnomevfs/gstgnomevfssrc.c: (gst_gnomevfssrc_class_init),
(gst_gnomevfssrc_finalize):
* ext/libfame/gstlibfame.c: (gst_fameenc_class_init),
(gst_fameenc_finalize):
* ext/nas/nassink.c: (gst_nassink_class_init),
(gst_nassink_finalize):
* ext/sdl/sdlvideosink.c: (gst_sdlvideosink_finalize),
(gst_sdlvideosink_class_init):
* ext/sndfile/gstsf.c: (gst_sf_dispose):
* gst-libs/gst/mixer/mixertrack.c: (gst_mixer_track_dispose):
* gst-libs/gst/tuner/tunerchannel.c: (gst_tuner_channel_dispose):
* gst-libs/gst/tuner/tunernorm.c: (gst_tuner_norm_dispose):
* gst-libs/gst/xwindowlistener/xwindowlistener.c:
(gst_x_window_listener_dispose):
* gst/audioscale/gstaudioscale.c:
* gst/playondemand/gstplayondemand.c: (play_on_demand_class_init),
(play_on_demand_finalize):
* gst/videofilter/gstvideobalance.c: (gst_videobalance_dispose):
* gst/videoscale/gstvideoscale.c: (gst_videoscale_chain):
* sys/cdrom/gstcdplayer.c: (cdplayer_class_init),
(cdplayer_finalize):
* sys/glsink/glimagesink.c: (gst_glimagesink_finalize),
(gst_glimagesink_class_init):
* sys/oss/gstosselement.c: (gst_osselement_class_init),
(gst_osselement_finalize):
* sys/oss/gstosssink.c: (gst_osssink_dispose):
* sys/oss/gstosssrc.c: (gst_osssrc_dispose):
* sys/v4l/gstv4lelement.c: (gst_v4lelement_dispose):
Fixes a bunch of problems with finalize and dispose functions,
either assumptions that dispose is only called once, or not calling
the parent class dispose/finalize function

4 files changed, 10 insertions, 3 deletions

diff --git a/gst-libs/gst/mixer/mixertrack.c b/gst-libs/gst/mixer/mixertrack.c
index ea531d5f..36ce288d 100644
--- a/gst-libs/gst/mixer/mixertrack.c
+++ b/gst-libs/gst/mixer/mixertrack.c
@@ -183,8 +183,10 @@ gst_mixer_track_dispose (GObject * object)
 {
   GstMixerTrack *channel = GST_MIXER_TRACK (object);
 
-  if (channel->label)
+  if (channel->label) {
     g_free (channel->label);
+    channel->label = NULL;
+  }
 
   if (parent_class->dispose)
     parent_class->dispose (object);
diff --git a/gst-libs/gst/tuner/tunerchannel.c b/gst-libs/gst/tuner/tunerchannel.c
index de0be2e4..1826a3e2 100644
--- a/gst-libs/gst/tuner/tunerchannel.c
+++ b/gst-libs/gst/tuner/tunerchannel.c
@@ -104,8 +104,10 @@ gst_tuner_channel_dispose (GObject * object)
 {
   GstTunerChannel *channel = GST_TUNER_CHANNEL (object);
 
-  if (channel->label)
+  if (channel->label) {
     g_free (channel->label);
+    channel->label = NULL;
+  }
 
   if (parent_class->dispose)
     parent_class->dispose (object);
diff --git a/gst-libs/gst/tuner/tunernorm.c b/gst-libs/gst/tuner/tunernorm.c
index 8fb98db7..2eb973de 100644
--- a/gst-libs/gst/tuner/tunernorm.c
+++ b/gst-libs/gst/tuner/tunernorm.c
@@ -88,8 +88,10 @@ gst_tuner_norm_dispose (GObject * object)
 {
   GstTunerNorm *norm = GST_TUNER_NORM (object);
 
-  if (norm->label)
+  if (norm->label) {
     g_free (norm->label);
+    norm->label = NULL;
+  }
 
   if (parent_class->dispose)
     parent_class->dispose (object);
diff --git a/gst-libs/gst/xwindowlistener/xwindowlistener.c b/gst-libs/gst/xwindowlistener/xwindowlistener.c
index 9963535c..ebbc9ac6 100644
--- a/gst-libs/gst/xwindowlistener/xwindowlistener.c
+++ b/gst-libs/gst/xwindowlistener/xwindowlistener.c
@@ -96,6 +96,7 @@ gst_x_window_listener_dispose (GObject * object)
 
   if (xwin->display_name) {
     g_free (xwin->display_name);
+    xwin->display_name = NULL;
   }
 
   if (parent_class->dispose) {