--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/gstreamer_core/gst/gstminiobject.h Thu Dec 17 08:53:32 2009 +0200
@@ -0,0 +1,236 @@
+/* GStreamer
+ * Copyright (C) 2005 David Schleef <ds@schleef.org>
+ *
+ * gstminiobject.h: Header for GstMiniObject
+ *
+ * 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_MINI_OBJECT_H__
+#define __GST_MINI_OBJECT_H__
+
+#include <gst/gstconfig.h>
+
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_MINI_OBJECT (gst_mini_object_get_type())
+#define GST_IS_MINI_OBJECT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_MINI_OBJECT))
+#define GST_IS_MINI_OBJECT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_MINI_OBJECT))
+#define GST_MINI_OBJECT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_MINI_OBJECT, GstMiniObjectClass))
+#define GST_MINI_OBJECT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_MINI_OBJECT, GstMiniObject))
+#define GST_MINI_OBJECT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_MINI_OBJECT, GstMiniObjectClass))
+#define GST_MINI_OBJECT_CAST(obj) ((GstMiniObject*)(obj))
+
+typedef struct _GstMiniObject GstMiniObject;
+typedef struct _GstMiniObjectClass GstMiniObjectClass;
+
+/**
+ * GstMiniObjectCopyFunction:
+ * @obj: MiniObject to copy
+ *
+ * Virtual function prototype for methods to create copies of instances.
+ *
+ * Returns: reference to cloned instance.
+ */
+typedef GstMiniObject * (*GstMiniObjectCopyFunction) (const GstMiniObject *obj);
+/**
+ * GstMiniObjectFinalizeFunction:
+ * @obj: MiniObject to finalize
+ *
+ * Virtual function prototype for methods to free ressources used by
+ * mini-objects. Subclasses of the mini object are allowed to revive the
+ * passed object by doing a gst_mini_object_ref(). If the object is not
+ * revived after the finalize function, the memory associated with the
+ * object is freed.
+ */
+typedef void (*GstMiniObjectFinalizeFunction) (GstMiniObject *obj);
+
+/**
+ * GST_MINI_OBJECT_FLAGS:
+ * @obj: MiniObject to return flags for.
+ *
+ * This macro returns the entire set of flags for the mini-object.
+ */
+#define GST_MINI_OBJECT_FLAGS(obj) (GST_MINI_OBJECT_CAST(obj)->flags)
+/**
+ * GST_MINI_OBJECT_FLAG_IS_SET:
+ * @obj: MiniObject to check for flags.
+ * @flag: Flag to check for
+ *
+ * This macro checks to see if the given flag is set.
+ */
+#define GST_MINI_OBJECT_FLAG_IS_SET(obj,flag) !!(GST_MINI_OBJECT_FLAGS (obj) & (flag))
+/**
+ * GST_MINI_OBJECT_FLAG_SET:
+ * @obj: MiniObject to set flag in.
+ * @flag: Flag to set, can by any number of bits in guint32.
+ *
+ * This macro sets the given bits.
+ */
+#define GST_MINI_OBJECT_FLAG_SET(obj,flag) (GST_MINI_OBJECT_FLAGS (obj) |= (flag))
+/**
+ * GST_MINI_OBJECT_FLAG_UNSET:
+ * @obj: MiniObject to unset flag in.
+ * @flag: Flag to set, must be a single bit in guint32.
+ *
+ * This macro usets the given bits.
+ */
+#define GST_MINI_OBJECT_FLAG_UNSET(obj,flag) (GST_MINI_OBJECT_FLAGS (obj) &= ~(flag))
+
+/**
+ * GST_VALUE_HOLDS_MINI_OBJECT:
+ * @value: the #GValue to check
+ *
+ * Checks if the given #GValue contains a #GST_TYPE_MINI_OBJECT value.
+ */
+#define GST_VALUE_HOLDS_MINI_OBJECT(value) (G_VALUE_HOLDS(value, GST_TYPE_MINI_OBJECT))
+
+/**
+ * GstMiniObjectFlags:
+ * @GST_MINI_OBJECT_FLAG_READONLY: is the miniobject readonly or writable
+ * @GST_MINI_OBJECT_FLAG_LAST: first flag that can be used by subclasses.
+ *
+ * Flags for the padtemplate
+ */
+
+typedef enum
+{
+ GST_MINI_OBJECT_FLAG_READONLY = (1<<0),
+ /* padding */
+ GST_MINI_OBJECT_FLAG_LAST = (1<<4)
+} GstMiniObjectFlags;
+
+/**
+ * GST_MINI_OBJECT_REFCOUNT:
+ * @obj: a #GstMiniObject
+ *
+ * Get access to the reference count field of the mini-object.
+ */
+#define GST_MINI_OBJECT_REFCOUNT(obj) ((GST_MINI_OBJECT_CAST(obj))->refcount)
+/**
+ * GST_MINI_OBJECT_REFCOUNT_VALUE:
+ * @obj: a #GstMiniObject
+ *
+ * Get the reference count value of the mini-object.
+ */
+#define GST_MINI_OBJECT_REFCOUNT_VALUE(obj) (g_atomic_int_get (&(GST_MINI_OBJECT_CAST(obj))->refcount))
+
+/**
+ * GstMiniObject:
+ * @instance: type instance
+ * @refcount: atomic refcount
+ * @flags: extra flags.
+ *
+ * Base class for refcounted lightweight objects.
+ */
+struct _GstMiniObject {
+ GTypeInstance instance;
+ /*< public >*/ /* with COW */
+ gint refcount;
+ guint flags;
+
+ /*< private >*/
+ gpointer _gst_reserved;
+};
+
+struct _GstMiniObjectClass {
+ GTypeClass type_class;
+
+ GstMiniObjectCopyFunction copy;
+ GstMiniObjectFinalizeFunction finalize;
+
+ /*< private >*/
+ gpointer _gst_reserved;
+};
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+
+GType gst_mini_object_get_type (void);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+
+GstMiniObject* gst_mini_object_new (GType type);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+GstMiniObject* gst_mini_object_copy (const GstMiniObject *mini_object);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+gboolean gst_mini_object_is_writable (const GstMiniObject *mini_object);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+GstMiniObject* gst_mini_object_make_writable (GstMiniObject *mini_object);
+
+/* refcounting */
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+GstMiniObject* gst_mini_object_ref (GstMiniObject *mini_object);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+void gst_mini_object_unref (GstMiniObject *mini_object);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+void gst_mini_object_replace (GstMiniObject **olddata, GstMiniObject *newdata);
+
+/* GParamSpec */
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+GParamSpec* gst_param_spec_mini_object (const char *name, const char *nick,
+ const char *blurb, GType object_type,
+ GParamFlags flags);
+
+/* GValue stuff */
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+void gst_value_set_mini_object (GValue *value, GstMiniObject *mini_object);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+void gst_value_take_mini_object (GValue *value, GstMiniObject *mini_object);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+GstMiniObject* gst_value_get_mini_object (const GValue *value);
+
+
+G_END_DECLS
+
+#endif
+