gst/law/: Fix caps memleaks (#166600).

Original commit message from CVS:
Reviewed by:  Ronald S. Bultje  <rbultje@ronald.bitfreak.net>
* gst/law/alaw-decode.c: (alawdec_link):
* gst/law/alaw-encode.c: (alawenc_link):
* gst/law/mulaw-decode.c: (mulawdec_link):
* gst/law/mulaw-encode.c: (mulawenc_link):
Fix caps memleaks (#166600).

4 files changed, 26 insertions, 4 deletions

diff --git a/gst/law/alaw-decode.c b/gst/law/alaw-decode.c
index 2a3a1371..44a6cb84 100644
--- a/gst/law/alaw-decode.c
+++ b/gst/law/alaw-decode.c
@@ -118,6 +118,7 @@ alawdec_link (GstPad * pad, const GstCaps * caps)
   GstStructure *structure;
   const GValue *rate, *chans;
   GstCaps *base_caps;
+  GstPadLinkReturn link_return;
 
   structure = gst_caps_get_structure (caps, 0);
   rate = gst_structure_get_value (structure, "rate");
@@ -140,7 +141,11 @@ alawdec_link (GstPad * pad, const GstCaps * caps)
   gst_structure_set_value (structure, "rate", rate);
   gst_structure_set_value (structure, "channels", chans);
 
-  return gst_pad_try_set_caps (otherpad, base_caps);
+  link_return = gst_pad_try_set_caps (otherpad, base_caps);
+
+  gst_caps_free (base_caps);
+
+  return link_return;
 }
 
 GType
diff --git a/gst/law/alaw-encode.c b/gst/law/alaw-encode.c
index e3e65000..b4cd6432 100644
--- a/gst/law/alaw-encode.c
+++ b/gst/law/alaw-encode.c
@@ -160,6 +160,7 @@ alawenc_link (GstPad * pad, const GstCaps * caps)
   GstStructure *structure;
   const GValue *rate, *chans;
   GstCaps *base_caps;
+  GstPadLinkReturn link_return;
 
   structure = gst_caps_get_structure (caps, 0);
   rate = gst_structure_get_value (structure, "rate");
@@ -182,7 +183,11 @@ alawenc_link (GstPad * pad, const GstCaps * caps)
   gst_structure_set_value (structure, "rate", rate);
   gst_structure_set_value (structure, "channels", chans);
 
-  return gst_pad_try_set_caps (otherpad, base_caps);
+  link_return = gst_pad_try_set_caps (otherpad, base_caps);
+
+  gst_caps_free (base_caps);
+
+  return link_return;
 }
 
 GType
diff --git a/gst/law/mulaw-decode.c b/gst/law/mulaw-decode.c
index a3544a6c..35c365f1 100644
--- a/gst/law/mulaw-decode.c
+++ b/gst/law/mulaw-decode.c
@@ -95,6 +95,8 @@ mulawdec_link (GstPad * pad, const GstCaps * caps)
   GstStructure *structure;
   const GValue *rate, *chans;
   GstCaps *base_caps;
+  GstPadLinkReturn link_return;
+
 
   structure = gst_caps_get_structure (caps, 0);
   rate = gst_structure_get_value (structure, "rate");
@@ -117,7 +119,12 @@ mulawdec_link (GstPad * pad, const GstCaps * caps)
   gst_structure_set_value (structure, "rate", rate);
   gst_structure_set_value (structure, "channels", chans);
 
-  return gst_pad_try_set_caps (otherpad, base_caps);
+  link_return = gst_pad_try_set_caps (otherpad, base_caps);
+
+  gst_caps_free (base_caps);
+
+  return link_return;
+
 }
 
 GType
diff --git a/gst/law/mulaw-encode.c b/gst/law/mulaw-encode.c
index 0166b30e..305165b8 100644
--- a/gst/law/mulaw-encode.c
+++ b/gst/law/mulaw-encode.c
@@ -94,6 +94,7 @@ mulawenc_link (GstPad * pad, const GstCaps * caps)
   GstStructure *structure;
   const GValue *rate, *chans;
   GstCaps *base_caps;
+  GstPadLinkReturn link_return;
 
   structure = gst_caps_get_structure (caps, 0);
   rate = gst_structure_get_value (structure, "rate");
@@ -116,7 +117,11 @@ mulawenc_link (GstPad * pad, const GstCaps * caps)
   gst_structure_set_value (structure, "rate", rate);
   gst_structure_set_value (structure, "channels", chans);
 
-  return gst_pad_try_set_caps (otherpad, base_caps);
+  link_return = gst_pad_try_set_caps (otherpad, base_caps);
+
+  gst_caps_free (base_caps);
+
+  return link_return;
 }
 
 GType