capsquerycache: new gstminiobject to do caching of caps queries

It should provide a caps->caps mapping, allowing cache of caps
queries by mapping filter->result.

6 files changed, 186 insertions, 0 deletions

diff --git a/gst/Makefile.am b/gst/Makefile.am
index dda710f13..6468aa29f 100644
--- a/gst/Makefile.am
+++ b/gst/Makefile.am
@@ -65,6 +65,7 @@ libgstreamer_@GST_API_VERSION@_la_SOURCES = \
 	gstbus.c		\
 	gstcaps.c		\
 	gstcapsfeatures.c	\
+	gstcapsquerycache.c	\
 	gstchildproxy.c		\
 	gstclock.c		\
 	gstclock-linreg.c	\
@@ -174,6 +175,7 @@ gst_headers =			\
 	gstbus.h		\
 	gstcaps.h		\
 	gstcapsfeatures.h	\
+	gstcapsquerycache.h	\
 	gstchildproxy.h		\
 	gstclock.h		\
 	gstcompat.h		\
diff --git a/gst/gstcapsquerycache.c b/gst/gstcapsquerycache.c
new file mode 100644
index 000000000..d88cc0c5f
--- /dev/null
+++ b/gst/gstcapsquerycache.c
@@ -0,0 +1,77 @@
+/* GStreamer
+ * Copyright (C) 2015 Samsung Electronics. All rights reserved.
+ *   Author: Thiago Santos <thiagoss@osg.samsung.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+/**
+ * SECTION:gstcapsquerycache
+ * @short_description: Implements caching of caps queries and results
+ * @see_also: #GstCaps, #GstQuery, #GstMiniObject
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "gst_private.h"
+#include <gst/gst.h>
+#include <gst/gstcapsquerycache.h>
+
+typedef struct _GstCapsQueryCacheImpl
+{
+  GstCapsQueryCache caps;
+
+} GstCapsQueryCacheImpl;
+
+GType _gst_caps_query_cache_type = 0;
+
+GST_DEFINE_MINI_OBJECT_TYPE (GstCapsQueryCache, gst_caps_query_cache);
+
+/* creation/deletion */
+static void
+_gst_caps_query_cache_free (GstCapsQueryCache * capscache)
+{
+  /* TODO implement */
+  g_slice_free1 (sizeof (GstCapsQueryCacheImpl), capscache);
+}
+
+static void
+gst_caps_query_cache_init (GstCapsQueryCache * capscache)
+{
+  gst_mini_object_init (GST_MINI_OBJECT_CAST (capscache), 0,
+      _gst_caps_query_cache_type, NULL, NULL,
+      (GstMiniObjectFreeFunction) _gst_caps_query_cache_free);
+}
+
+/**
+ * gst_caps_query_cache_new:
+ *
+ * Returns: (transfer full): the new #GstCapsQueryCache
+ */
+GstCapsQueryCache *
+gst_caps_query_cache_new (void)
+{
+  GstCapsQueryCache *capscache;
+
+  capscache = (GstCapsQueryCache *) g_slice_new (GstCapsQueryCacheImpl);
+
+  gst_caps_query_cache_init (capscache);
+
+  return capscache;
+}
diff --git a/gst/gstcapsquerycache.h b/gst/gstcapsquerycache.h
new file mode 100644
index 000000000..d0f904bd4
--- /dev/null
+++ b/gst/gstcapsquerycache.h
@@ -0,0 +1,56 @@
+/* GStreamer
+ * Copyright (C) 2015 Samsung Electronics. All rights reserved.
+ *   Author: Thiago Santos <thiagoss@osg.samsung.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __GST_CAPS_QUERY_CACHE_H__
+#define __GST_CAPS_QUERY_CACHE_H__
+
+#include <gst/gstconfig.h>
+#include <gst/gstminiobject.h>
+#include <gst/gstcaps.h>
+#include <gst/glib-compat.h>
+
+G_BEGIN_DECLS
+
+GST_EXPORT GType _gst_caps_query_cache_type;
+
+#define GST_TYPE_CAPS_QUERY_CACHE       (_gst_caps_query_cache_type)
+#define GST_IS_CAPS_QUERY_CACHE(obj)    (GST_IS_MINI_OBJECT_TYPE((obj), GST_TYPE_CAPS_QUERY_CACHE))
+#define GST_CAPS_QUERY_CACHE_CAST(obj)  ((GstCapsQueryCache*)(obj))
+#define GST_CAPS_QUERY_CACHE(obj)       (GST_CAPS_QUERY_CACHE_CAST(obj))
+
+typedef struct _GstCapsQueryCache GstCapsQueryCache;
+
+/**
+ * GstCapsQueryCache:
+ * @mini_object: the parent type
+ *
+ * Object describing media types.
+ */
+struct _GstCapsQueryCache {
+  GstMiniObject mini_object;
+};
+
+GType                 gst_caps_query_cache_get_type          (void);
+
+GstCapsQueryCache *   gst_caps_query_cache_new               (void);
+
+G_END_DECLS
+
+#endif /* __GST_CAPS_QUERY_CACHE_H__ */
diff --git a/tests/check/Makefile.am b/tests/check/Makefile.am
index 07ad657af..7a1960f59 100644
--- a/tests/check/Makefile.am
+++ b/tests/check/Makefile.am
@@ -120,6 +120,7 @@ check_PROGRAMS =				\
 	gst/gstbus				\
 	gst/gstcaps     			\
 	gst/gstcapsfeatures    			\
+	gst/gstcapsquerycache			\
 	$(CXX_CHECKS)			     	\
 	gst/gstdatetime     			\
 	gst/gstdevice				\
diff --git a/tests/check/gst/.gitignore b/tests/check/gst/.gitignore
index fcea84e7a..91843f6e3 100644
--- a/tests/check/gst/.gitignore
+++ b/tests/check/gst/.gitignore
@@ -9,6 +9,7 @@ gstbufferpool
 gstbus
 gstcaps
 gstcapsfeatures
+gstcapsquerycache
 gstchildproxy
 gstclock
 gstcontroller
diff --git a/tests/check/gst/gstcapsquerycache.c b/tests/check/gst/gstcapsquerycache.c
new file mode 100644
index 000000000..581a8d7c5
--- /dev/null
+++ b/tests/check/gst/gstcapsquerycache.c
@@ -0,0 +1,49 @@
+/* GStreamer
+ * Copyright (C) 2015 Samsung Electronics. All rights reserved.
+ *   Author: Thiago Santos <thiagoss@osg.samsung.com>
+ *
+ * gstcapsquerycache.c: Unit test for GstCapsQueryCache
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include <gst/check/gstcheck.h>
+#include <gst/gstcapsquerycache.h>
+
+GST_START_TEST (test_create)
+{
+  GstCapsQueryCache *capscache;
+
+  capscache = gst_caps_query_cache_new ();
+
+  gst_mini_object_unref (GST_MINI_OBJECT_CAST (capscache));
+}
+
+GST_END_TEST;
+
+static Suite *
+gst_caps_query_cache_suite (void)
+{
+  Suite *s = suite_create ("GstCapsQueryCache");
+  TCase *tc_chain = tcase_create ("operations");
+
+  suite_add_tcase (s, tc_chain);
+  tcase_add_test (tc_chain, test_create);
+
+  return s;
+}
+
+GST_CHECK_MAIN (gst_caps_query_cache);