close #333784 unref the result of gst_pad_get_parent() by: Christophe Fergeau.

Original commit message from CVS:
* ext/cairo/gsttextoverlay.c: (gst_text_overlay_setcaps):
* ext/esd/esdmon.c: (gst_esdmon_get):
* ext/flac/gstflactag.c: (gst_flac_tag_chain):
* ext/gdk_pixbuf/gstgdkpixbuf.c: (gst_gdk_pixbuf_sink_setcaps),
(gst_gdk_pixbuf_sink_getcaps):
* ext/jpeg/gstjpegenc.c: (gst_jpegenc_getcaps),
(gst_jpegenc_setcaps):
* ext/jpeg/gstsmokedec.c: (gst_smokedec_chain):
* ext/jpeg/gstsmokeenc.c: (gst_smokeenc_getcaps),
(gst_smokeenc_setcaps):
* ext/libmng/gstmngdec.c: (gst_mngdec_sinklink),
(gst_mngdec_src_getcaps):
* ext/libmng/gstmngenc.c: (gst_mngenc_sinklink),
(gst_mngenc_chain):
* ext/libpng/gstpngenc.c: (gst_pngenc_setcaps):
* ext/mikmod/gstmikmod.c: (gst_mikmod_srclink):
* ext/speex/gstspeexdec.c: (speex_dec_convert),
(speex_dec_src_event), (speex_dec_chain):
* gst/avi/gstavimux.c: (gst_avimux_vidsinkconnect),
(gst_avimux_audsinkconnect), (gst_avimux_handle_event):
* gst/debug/negotiation.c: (gst_negotiation_getcaps),
(gst_negotiation_pad_link), (gst_negotiation_chain):
* gst/flx/gstflxdec.c: (gst_flxdec_src_query_handler),
(gst_flxdec_chain):
* gst/interleave/deinterleave.c: (deinterleave_sink_link),
(deinterleave_chain):
* gst/law/mulaw-encode.c: (mulawenc_setcaps):
* gst/median/gstmedian.c: (gst_median_link):
* gst/monoscope/gstmonoscope.c: (gst_monoscope_srcconnect),
(gst_monoscope_chain):
* gst/rtp/gstrtpL16pay.c: (gst_rtpL16pay_sinkconnect):
* gst/wavenc/gstwavenc.c: (gst_wavenc_sink_setcaps):
* sys/osxaudio/gstosxaudiosink.c: (gst_osxaudiosink_chain):
* sys/osxaudio/gstosxaudiosrc.c: (gst_osxaudiosrc_get):
close #333784 unref the result of gst_pad_get_parent()
by: Christophe Fergeau.

8 files changed, 33 insertions, 3 deletions

diff --git a/gst/avi/gstavimux.c b/gst/avi/gstavimux.c
index a17f1066..253b7da7 100644
--- a/gst/avi/gstavimux.c
+++ b/gst/avi/gstavimux.c
@@ -317,8 +317,10 @@ gst_avimux_vidsinkconnect (GstPad * pad, const GstCaps * vscaps)
   ret &= gst_structure_get_int (structure, "height", &avimux->vids.height);
   fps = gst_structure_get_value (structure, "framerate");
   ret &= (fps != NULL && GST_VALUE_HOLDS_FRACTION (fps));
-  if (!ret)
+  if (!ret) {
+    gst_object_unref (avimux);
     return GST_PAD_LINK_REFUSED;
+  }
 
   avimux->vids_hdr.rate = gst_value_get_fraction_numerator (fps);
   avimux->vids_hdr.scale = gst_value_get_fraction_denominator (fps);
@@ -388,6 +390,7 @@ gst_avimux_vidsinkconnect (GstPad * pad, const GstCaps * vscaps)
     }
 
     if (!avimux->vids.compression) {
+      gst_object_unref (avimux);
       return GST_PAD_LINK_DELAYED;
     }
   }
@@ -397,6 +400,9 @@ gst_avimux_vidsinkconnect (GstPad * pad, const GstCaps * vscaps)
   avimux->avi_hdr.width = avimux->vids.width;
   avimux->avi_hdr.height = avimux->vids.height;
   avimux->avi_hdr.us_frame = avimux->vids_hdr.scale;
+
+  gst_object_unref (avimux);
+
   return GST_PAD_LINK_OK;
 }
 
@@ -463,6 +469,7 @@ gst_avimux_audsinkconnect (GstPad * pad, const GstCaps * vscaps)
     avimux->auds.size = 16;
 
     if (!avimux->auds.format) {
+      gst_object_unref (avimux);
       return GST_PAD_LINK_REFUSED;
     }
   }
@@ -470,6 +477,9 @@ gst_avimux_audsinkconnect (GstPad * pad, const GstCaps * vscaps)
   avimux->auds_hdr.rate = avimux->auds.blockalign * avimux->auds.rate;
   avimux->auds_hdr.samplesize = avimux->auds.blockalign;
   avimux->auds_hdr.scale = 1;
+
+  gst_object_unref (avimux);
+
   return GST_PAD_LINK_OK;
 }
 
@@ -1089,6 +1099,7 @@ gst_avimux_handle_event (GstPad * pad, GstEvent * event)
   }
 
   gst_event_unref (event);
+  gst_object_unref (avimux);
 
   return TRUE;
 }
diff --git a/gst/debug/negotiation.c b/gst/debug/negotiation.c
index 25f30024..da8a3033 100644
--- a/gst/debug/negotiation.c
+++ b/gst/debug/negotiation.c
@@ -210,6 +210,7 @@ gst_negotiation_getcaps (GstPad * pad)
       GST_PTR_FORMAT, pad, caps);
 
   gst_negotiation_update_caps (negotiation);
+  gst_object_unref (negotiation);
 
   return caps;
 }
@@ -228,6 +229,7 @@ gst_negotiation_pad_link (GstPad * pad, const GstCaps * caps)
 
   GST_ERROR ("pad_link called on %" GST_PTR_FORMAT " with caps %"
       GST_PTR_FORMAT ", returning %d", pad, caps, ret);
+  gst_object_unref (negotiation);
 
   return ret;
 }
@@ -257,6 +259,7 @@ gst_negotiation_chain (GstPad * pad, GstData * _data)
   GstNegotiation *negotiation = GST_NEGOTIATION (gst_pad_get_parent (pad));
 
   gst_pad_push (negotiation->srcpad, _data);
+  gst_object_unref (negotiation);
 }
 
 static void
diff --git a/gst/flx/gstflxdec.c b/gst/flx/gstflxdec.c
index 9401249f..1b8d4482 100644
--- a/gst/flx/gstflxdec.c
+++ b/gst/flx/gstflxdec.c
@@ -627,7 +627,7 @@ gst_flxdec_chain (GstPad * pad, GstBuffer * buf)
     }
   }
 need_more_data:
-
+  gst_object_unref (flxdec);
   return res;
 
   /* ERRORS */
@@ -635,6 +635,7 @@ wrong_type:
   {
     GST_ELEMENT_ERROR (flxdec, STREAM, WRONG_TYPE, (NULL),
         ("not a flx file (type %x)", flxh->type));
+    gst_object_unref (flxdec);
     return GST_FLOW_ERROR;
   }
 }
diff --git a/gst/law/mulaw-encode.c b/gst/law/mulaw-encode.c
index defb7dde..f9e1eccd 100644
--- a/gst/law/mulaw-encode.c
+++ b/gst/law/mulaw-encode.c
@@ -126,6 +126,7 @@ mulawenc_setcaps (GstPad * pad, GstCaps * caps)
 
   gst_pad_set_caps (otherpad, base_caps);
 
+  gst_object_unref (mulawenc);
   gst_caps_unref (base_caps);
 
   return TRUE;
diff --git a/gst/median/gstmedian.c b/gst/median/gstmedian.c
index 4327c009..3f09f086 100644
--- a/gst/median/gstmedian.c
+++ b/gst/median/gstmedian.c
@@ -154,6 +154,8 @@ gst_median_link (GstPad * pad, const GstCaps * caps)
     filter->height = h;
   }
 
+  gst_object_unref (filter);
+
   return ret;
 }
 
diff --git a/gst/monoscope/gstmonoscope.c b/gst/monoscope/gstmonoscope.c
index 4497d9ce..82d3cb7a 100644
--- a/gst/monoscope/gstmonoscope.c
+++ b/gst/monoscope/gstmonoscope.c
@@ -224,6 +224,8 @@ gst_monoscope_srcconnect (GstPad * pad, const GstCaps * caps)
   gst_structure_get_int (structure, "height", &monoscope->height);
   gst_structure_get_double (structure, "framerate", &monoscope->fps);
 
+  gst_object_unref (monoscope);
+
   return GST_PAD_LINK_OK;
 }
 
@@ -250,6 +252,7 @@ gst_monoscope_chain (GstPad * pad, GstData * _data)
     GST_DEBUG ("timestamp is %" G_GUINT64_FORMAT ": want >= %" G_GUINT64_FORMAT,
         GST_BUFFER_TIMESTAMP (bufin), monoscope->next_time);
     gst_buffer_unref (bufin);
+    gst_object_unref (monoscope);
     return;
   }
 
@@ -266,6 +269,7 @@ gst_monoscope_chain (GstPad * pad, GstData * _data)
     if (!gst_pad_is_negotiated (monoscope->srcpad)) {
       if (gst_pad_renegotiate (monoscope->srcpad) <= 0) {
         GST_ELEMENT_ERROR (monoscope, CORE, NEGOTIATION, (NULL), (NULL));
+        gst_object_unref (monoscope);
         return;
       }
     }
@@ -284,6 +288,7 @@ gst_monoscope_chain (GstPad * pad, GstData * _data)
   gst_pad_push (monoscope->srcpad, GST_DATA (bufout));
 
   gst_buffer_unref (bufin);
+  gst_object_unref (monoscope);
 
   GST_DEBUG ("Monoscope: exiting chainfunc");
 
diff --git a/gst/rtp/gstrtpL16pay.c b/gst/rtp/gstrtpL16pay.c
index 466e4b0a..f68425c0 100644
--- a/gst/rtp/gstrtpL16pay.c
+++ b/gst/rtp/gstrtpL16pay.c
@@ -171,13 +171,17 @@ gst_rtpL16pay_sinkconnect (GstPad * pad, const GstCaps * caps)
   ret = gst_structure_get_int (structure, "rate", &rtpL16enc->frequency);
   ret &= gst_structure_get_int (structure, "channels", &rtpL16enc->channels);
 
-  if (!ret)
+  if (!ret) {
+    gst_object_unref (rtpL16enc);
     return GST_PAD_LINK_REFUSED;
+  }
 
   /* Pre-calculate what we can */
   rtpL16enc->time_interval =
       GST_SECOND / (2 * rtpL16enc->channels * rtpL16enc->frequency);
 
+  gst_object_unref (rtpL16enc);
+
   return GST_PAD_LINK_OK;
 }
 
diff --git a/gst/wavenc/gstwavenc.c b/gst/wavenc/gstwavenc.c
index da6b8b7d..f392b6ee 100644
--- a/gst/wavenc/gstwavenc.c
+++ b/gst/wavenc/gstwavenc.c
@@ -253,9 +253,12 @@ gst_wavenc_sink_setcaps (GstPad * pad, GstCaps * caps)
   gst_wavenc_setup (wavenc);
 
   if (wavenc->setup) {
+    gst_object_unref (wavenc);
     return TRUE;
   }
 
+  gst_object_unref (wavenc);
+
   return FALSE;
 }