From 14dc964f0e4526a842a245fdb86b98985bb12e3f Mon Sep 17 00:00:00 2001
From: Garima Gaur <garima.g@samsung.com>
Date: Mon, 2 Jan 2017 09:06:09 +0530
Subject: [PATCH] Fix some caps leaks when creating pad templates

https://bugzilla.gnome.org/show_bug.cgi?id=776700
---
 ext/libav/gstavauddec.c | 3 +++
 ext/libav/gstavaudenc.c | 3 +++
 ext/libav/gstavdemux.c  | 2 ++
 ext/libav/gstavmux.c    | 3 +++
 ext/libav/gstavviddec.c | 3 +++
 ext/libav/gstavvidenc.c | 3 +++
 6 files changed, 17 insertions(+)

diff --git a/ext/libav/gstavauddec.c b/ext/libav/gstavauddec.c
index ef63f53..4d04dfa 100644
--- a/ext/libav/gstavauddec.c
+++ b/ext/libav/gstavauddec.c
@@ -107,6 +107,9 @@ gst_ffmpegauddec_base_init (GstFFMpegAudDecClass * klass)
   gst_element_class_add_pad_template (element_class, srctempl);
   gst_element_class_add_pad_template (element_class, sinktempl);
 
+  gst_caps_unref (sinkcaps);
+  gst_caps_unref (srccaps);
+
   klass->in_plugin = in_plugin;
   klass->srctempl = srctempl;
   klass->sinktempl = sinktempl;
diff --git a/ext/libav/gstavaudenc.c b/ext/libav/gstavaudenc.c
index f190ef9..12cc804 100644
--- a/ext/libav/gstavaudenc.c
+++ b/ext/libav/gstavaudenc.c
@@ -124,6 +124,9 @@ gst_ffmpegaudenc_base_init (GstFFMpegAudEncClass * klass)
   gst_element_class_add_pad_template (element_class, srctempl);
   gst_element_class_add_pad_template (element_class, sinktempl);
 
+  gst_caps_unref (sinkcaps);
+  gst_caps_unref (srccaps);
+
   klass->in_plugin = in_plugin;
   klass->srctempl = srctempl;
   klass->sinktempl = sinktempl;
diff --git a/ext/libav/gstavdemux.c b/ext/libav/gstavdemux.c
index 2a61be4..c119798 100644
--- a/ext/libav/gstavdemux.c
+++ b/ext/libav/gstavdemux.c
@@ -217,6 +217,8 @@ gst_ffmpegdemux_base_init (GstFFMpegDemuxClass * klass)
   gst_element_class_add_pad_template (element_class, audiosrctempl);
   gst_element_class_add_pad_template (element_class, sinktempl);
 
+  gst_caps_unref (sinkcaps);
+
   klass->in_plugin = in_plugin;
   klass->videosrctempl = videosrctempl;
   klass->audiosrctempl = audiosrctempl;
diff --git a/ext/libav/gstavmux.c b/ext/libav/gstavmux.c
index a7599f8..919c06c 100644
--- a/ext/libav/gstavmux.c
+++ b/ext/libav/gstavmux.c
@@ -269,17 +269,20 @@ gst_ffmpegmux_base_init (gpointer g_class)
   /* pad templates */
   srctempl = gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS, srccaps);
   gst_element_class_add_pad_template (element_class, srctempl);
+  gst_caps_unref (srccaps);
 
   if (audiosinkcaps) {
     audiosinktempl = gst_pad_template_new ("audio_%u",
         GST_PAD_SINK, GST_PAD_REQUEST, audiosinkcaps);
     gst_element_class_add_pad_template (element_class, audiosinktempl);
+    gst_caps_unref (audiosinkcaps);
   }
 
   if (videosinkcaps) {
     videosinktempl = gst_pad_template_new ("video_%u",
         GST_PAD_SINK, GST_PAD_REQUEST, videosinkcaps);
     gst_element_class_add_pad_template (element_class, videosinktempl);
+    gst_caps_unref (videosinkcaps);
   }
 
 beach:
diff --git a/ext/libav/gstavviddec.c b/ext/libav/gstavviddec.c
index 65a3253..17a6430 100644
--- a/ext/libav/gstavviddec.c
+++ b/ext/libav/gstavviddec.c
@@ -192,6 +192,9 @@ gst_ffmpegviddec_base_init (GstFFMpegVidDecClass * klass)
   gst_element_class_add_pad_template (element_class, srctempl);
   gst_element_class_add_pad_template (element_class, sinktempl);
 
+  gst_caps_unref (sinkcaps);
+  gst_caps_unref (srccaps);
+
   klass->in_plugin = in_plugin;
 }
 
diff --git a/ext/libav/gstavvidenc.c b/ext/libav/gstavvidenc.c
index 671f2f1..f7d32e5 100644
--- a/ext/libav/gstavvidenc.c
+++ b/ext/libav/gstavvidenc.c
@@ -161,6 +161,9 @@ gst_ffmpegvidenc_base_init (GstFFMpegVidEncClass * klass)
   gst_element_class_add_pad_template (element_class, srctempl);
   gst_element_class_add_pad_template (element_class, sinktempl);
 
+  gst_caps_unref (sinkcaps);
+  gst_caps_unref (srccaps);
+
   klass->in_plugin = in_plugin;
   klass->srctempl = srctempl;
   klass->sinktempl = sinktempl;
-- 
2.7.4