--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/gstreamer_core/gst/gstpadtemplate.h Thu Dec 17 08:53:32 2009 +0200
@@ -0,0 +1,223 @@
+/* GStreamer
+ * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
+ * 2000 Wim Taymans <wim.taymans@chello.be>
+ *
+ * gstpadtemplate.h: Header for GstPadTemplate object
+ *
+ * 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_PAD_TEMPLATE_H__
+#define __GST_PAD_TEMPLATE_H__
+
+#include <gst/gstconfig.h>
+
+#include <gst/gstobject.h>
+#include <gst/gstbuffer.h>
+#include <gst/gstcaps.h>
+#include <gst/gstevent.h>
+#include <gst/gstquery.h>
+#include <gst/gsttask.h>
+
+G_BEGIN_DECLS
+
+/* FIXME: this awful circular dependency need to be resolved properly (see pad.h) */
+/*typedef struct _GstPadTemplate GstPadTemplate; */
+typedef struct _GstPadTemplateClass GstPadTemplateClass;
+typedef struct _GstStaticPadTemplate GstStaticPadTemplate;
+
+#define GST_TYPE_STATIC_PAD_TEMPLATE (gst_static_pad_template_get_type ())
+
+#define GST_TYPE_PAD_TEMPLATE (gst_pad_template_get_type ())
+#define GST_PAD_TEMPLATE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_PAD_TEMPLATE,GstPadTemplate))
+#define GST_PAD_TEMPLATE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_PAD_TEMPLATE,GstPadTemplateClass))
+#define GST_IS_PAD_TEMPLATE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_PAD_TEMPLATE))
+#define GST_IS_PAD_TEMPLATE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_PAD_TEMPLATE))
+
+/**
+ * GstPadPresence:
+ * @GST_PAD_ALWAYS: the pad is always available
+ * @GST_PAD_SOMETIMES: the pad will become available depending on the media stream
+ * @GST_PAD_REQUEST: the pad is only available on request with
+ * gst_element_request_pad_by_name() or gst_element_request_compatible_pad().
+ *
+ * Indicates when this pad will become available.
+ */
+typedef enum {
+ GST_PAD_ALWAYS,
+ GST_PAD_SOMETIMES,
+ GST_PAD_REQUEST
+} GstPadPresence;
+
+/**
+ * GST_PAD_TEMPLATE_NAME_TEMPLATE:
+ * @templ: the template to query
+ *
+ * Get the nametemplate of the padtemplate.
+ */
+#define GST_PAD_TEMPLATE_NAME_TEMPLATE(templ) (((GstPadTemplate *)(templ))->name_template)
+
+/**
+ * GST_PAD_TEMPLATE_DIRECTION:
+ * @templ: the template to query
+ *
+ * Get the #GstPadDirection of the padtemplate.
+ */
+#define GST_PAD_TEMPLATE_DIRECTION(templ) (((GstPadTemplate *)(templ))->direction)
+
+/**
+ * GST_PAD_TEMPLATE_PRESENCE:
+ * @templ: the template to query
+ *
+ * Get the #GstPadPresence of the padtemplate.
+ */
+#define GST_PAD_TEMPLATE_PRESENCE(templ) (((GstPadTemplate *)(templ))->presence)
+
+/**
+ * GST_PAD_TEMPLATE_CAPS:
+ * @templ: the template to query
+ *
+ * Get a handle to the padtemplate #GstCaps
+ */
+#define GST_PAD_TEMPLATE_CAPS(templ) (((GstPadTemplate *)(templ))->caps)
+
+/**
+ * GstPadTemplateFlags:
+ * @GST_PAD_TEMPLATE_FIXED: the padtemplate has no variable properties
+ * @GST_PAD_TEMPLATE_FLAG_LAST: first flag that can be used by subclasses.
+ *
+ * Flags for the padtemplate
+ */
+typedef enum {
+ GST_PAD_TEMPLATE_FIXED = (GST_OBJECT_FLAG_LAST << 0),
+ /* padding */
+ GST_PAD_TEMPLATE_FLAG_LAST = (GST_OBJECT_FLAG_LAST << 4)
+} GstPadTemplateFlags;
+
+/**
+ * GST_PAD_TEMPLATE_IS_FIXED:
+ * @templ: the template to query
+ *
+ * Check if the properties of the padtemplate are fixed
+ */
+#define GST_PAD_TEMPLATE_IS_FIXED(templ) (GST_OBJECT_FLAG_IS_SET(templ, GST_PAD_TEMPLATE_FIXED))
+
+/**
+ * GstPadTemplate:
+ *
+ * The padtemplate object.
+ */
+struct _GstPadTemplate {
+ GstObject object;
+
+ gchar *name_template;
+ GstPadDirection direction;
+ GstPadPresence presence;
+ GstCaps *caps;
+
+ gpointer _gst_reserved[GST_PADDING];
+};
+
+struct _GstPadTemplateClass {
+ GstObjectClass parent_class;
+
+ /* signal callbacks */
+ void (*pad_created) (GstPadTemplate *templ, GstPad *pad);
+
+ gpointer _gst_reserved[GST_PADDING];
+};
+
+/**
+ * GstStaticPadTemplate:
+ * @name_template: the name of the template
+ * @direction: the direction of the template
+ * @presence: the presence of the template
+ * @static_caps: the caps of the template.
+ *
+ * Structure describing the #GstStaticPadTemplate.
+ */
+struct _GstStaticPadTemplate {
+ const gchar *name_template;
+ GstPadDirection direction;
+ GstPadPresence presence;
+ GstStaticCaps static_caps;
+};
+
+/**
+ * GST_STATIC_PAD_TEMPLATE:
+ * @padname: the name template of the pad
+ * @dir: the GstPadDirection of the pad
+ * @pres: the GstPadPresence of the pad
+ * @caps: the GstStaticCaps of the pad
+ *
+ * Convenience macro to fill the values of a GstStaticPadTemplate
+ * structure.
+ */
+#define GST_STATIC_PAD_TEMPLATE(padname, dir, pres, caps) \
+{ \
+ /* name_template */ padname, \
+ /* direction */ dir, \
+ /* presence */ pres, \
+ /* caps */ caps \
+}
+
+/* templates and factories */
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+GType gst_pad_template_get_type (void);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+GType gst_static_pad_template_get_type (void);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+
+GstPadTemplate* gst_pad_template_new (const gchar *name_template,
+ GstPadDirection direction, GstPadPresence presence,
+ GstCaps *caps);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+
+GstPadTemplate * gst_static_pad_template_get (GstStaticPadTemplate *pad_template);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+GstCaps* gst_static_pad_template_get_caps (GstStaticPadTemplate *templ);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+GstCaps* gst_pad_template_get_caps (GstPadTemplate *templ);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+
+void gst_pad_template_pad_created (GstPadTemplate * templ, GstPad * pad);
+
+G_END_DECLS
+
+#endif /* __GST_PAD_TEMPLATE_H__ */
+