From 0c606747f10c4e60cb9004651e3e1d941b7405e6 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Tim-Philipp=20M=C3=BCller?= <tim@centricular.net>
Date: Tue, 22 Feb 2005 12:04:16 +0000
Subject: [PATCH] ext/gdk_pixbuf/pixbufscale.c: Don't leak caps string (fixes
 #168134)

Original commit message from CVS:
* ext/gdk_pixbuf/pixbufscale.c: (gst_pixbufscale_link):
Don't leak caps string (fixes #168134)

* ext/jpeg/gstjpegenc.c: (gst_jpegenc_class_init),
(gst_jpegenc_init), (gst_jpegenc_finalize),
(gst_jpegenc_change_state):
Don't leak line buffers and context struct (fixes #168133).
---
 ChangeLog                    | 12 ++++++++++
 ext/gdk_pixbuf/pixbufscale.c |  6 ++++-
 ext/jpeg/gstjpegenc.c        | 56 ++++++++++++++++++++++++++++++++++++++------
 3 files changed, 66 insertions(+), 8 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 9b4023c..c620dcc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,15 @@
+2005-02-22  Luca Ognibene  <luogni@tin.it>
+
+	Reviewed by: Tim-Philipp Müller  <tim at centricular dot net>
+
+	* ext/gdk_pixbuf/pixbufscale.c: (gst_pixbufscale_link):
+	  Don't leak caps string (fixes #168134)
+
+	* ext/jpeg/gstjpegenc.c: (gst_jpegenc_class_init),
+	(gst_jpegenc_init), (gst_jpegenc_finalize),
+	(gst_jpegenc_change_state):
+	  Don't leak line buffers and context struct (fixes #168133).
+
 2005-02-21  Tim-Philipp Müller  <tim at centricular dot net>
 
 	* configure.ac:
diff --git a/ext/gdk_pixbuf/pixbufscale.c b/ext/gdk_pixbuf/pixbufscale.c
index 3cfa17e..1cecdab 100644
--- a/ext/gdk_pixbuf/pixbufscale.c
+++ b/ext/gdk_pixbuf/pixbufscale.c
@@ -206,8 +206,12 @@ gst_pixbufscale_link (GstPad * pad, const GstCaps * caps)
   GstPad *otherpad;
   GstStructure *structure;
   int height, width;
+  gchar *caps_string;
+
+  caps_string = gst_caps_to_string (caps);
+  GST_DEBUG ("gst_pixbufscale_link %s\n", caps_string);
+  g_free (caps_string);
 
-  GST_DEBUG ("gst_pixbufscale_link %s\n", gst_caps_to_string (caps));
   pixbufscale = GST_PIXBUFSCALE (gst_pad_get_parent (pad));
 
   otherpad = (pad == pixbufscale->srcpad) ? pixbufscale->sinkpad :
diff --git a/ext/jpeg/gstjpegenc.c b/ext/jpeg/gstjpegenc.c
index ca0e07f..e924ceb 100644
--- a/ext/jpeg/gstjpegenc.c
+++ b/ext/jpeg/gstjpegenc.c
@@ -75,6 +75,7 @@ enum
 static void gst_jpegenc_base_init (gpointer g_class);
 static void gst_jpegenc_class_init (GstJpegEnc * klass);
 static void gst_jpegenc_init (GstJpegEnc * jpegenc);
+static void gst_jpegenc_finalize (GObject * object);
 
 static void gst_jpegenc_chain (GstPad * pad, GstData * _data);
 static GstPadLinkReturn gst_jpegenc_link (GstPad * pad, const GstCaps * caps);
@@ -85,6 +86,8 @@ static void gst_jpegenc_set_property (GObject * object, guint prop_id,
     const GValue * value, GParamSpec * pspec);
 static void gst_jpegenc_get_property (GObject * object, guint prop_id,
     GValue * value, GParamSpec * pspec);
+static GstElementStateReturn gst_jpegenc_change_state (GstElement * element);
+
 
 static GstElementClass *parent_class = NULL;
 static guint gst_jpegenc_signals[LAST_SIGNAL] = { 0 };
@@ -170,6 +173,9 @@ gst_jpegenc_class_init (GstJpegEnc * klass)
 
   gobject_class->set_property = gst_jpegenc_set_property;
   gobject_class->get_property = gst_jpegenc_get_property;
+  gstelement_class->change_state = gst_jpegenc_change_state;
+
+  gobject_class->finalize = gst_jpegenc_finalize;
 
   GST_DEBUG_CATEGORY_INIT (jpegenc_debug, "jpegenc", 0,
       "JPEG encoding element");
@@ -223,13 +229,6 @@ gst_jpegenc_init (GstJpegEnc * jpegenc)
   jpegenc->cinfo.err = jpeg_std_error (&jpegenc->jerr);
   jpeg_create_compress (&jpegenc->cinfo);
 
-  GST_DEBUG ("gst_jpegenc_init: setting line buffers");
-  jpegenc->line[0] = NULL;
-  jpegenc->line[1] = NULL;
-  jpegenc->line[2] = NULL;
-
-  gst_jpegenc_resync (jpegenc);
-
   jpegenc->jdest.init_destination = gst_jpegenc_init_destination;
   jpegenc->jdest.empty_output_buffer = gst_jpegenc_flush_destination;
   jpegenc->jdest.term_destination = gst_jpegenc_term_destination;
@@ -239,6 +238,17 @@ gst_jpegenc_init (GstJpegEnc * jpegenc)
   jpegenc->smoothing = 0;
 }
 
+static void
+gst_jpegenc_finalize (GObject * object)
+{
+
+  GstJpegEnc *filter = GST_JPEGENC (object);
+
+  jpeg_destroy_compress (&filter->cinfo);
+
+  G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
 static GstCaps *
 gst_jpegenc_getcaps (GstPad * pad)
 {
@@ -492,3 +502,35 @@ gst_jpegenc_get_property (GObject * object, guint prop_id, GValue * value,
       break;
   }
 }
+
+static GstElementStateReturn
+gst_jpegenc_change_state (GstElement * element)
+{
+
+  GstJpegEnc *filter = GST_JPEGENC (element);
+
+  switch (GST_STATE_TRANSITION (element)) {
+    case GST_STATE_NULL_TO_READY:
+      GST_DEBUG ("gst_jpegenc_change_state: setting line buffers");
+      filter->line[0] = NULL;
+      filter->line[1] = NULL;
+      filter->line[2] = NULL;
+      gst_jpegenc_resync (filter);
+      break;
+    case GST_STATE_READY_TO_NULL:
+      g_free (filter->line[0]);
+      g_free (filter->line[1]);
+      g_free (filter->line[2]);
+      filter->line[0] = NULL;
+      filter->line[1] = NULL;
+      filter->line[2] = NULL;
+      break;
+    default:
+      break;
+  }
+
+  if (GST_ELEMENT_CLASS (parent_class)->change_state)
+    return GST_ELEMENT_CLASS (parent_class)->change_state (element);
+
+  return GST_STATE_SUCCESS;
+}
-- 
2.7.4