/* GStreamer

 * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>

 *                    2000 Wim Taymans <wtay@chello.be>

 *

 * gstidentity.h:

 *

 * 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_FILTER_H__

#define __GST_CAPS_FILTER_H__

#include <gst/gst.h>

#include <gst/base/gstbasetransform.h>

G_BEGIN_DECLS

#define GST_TYPE_CAPS_FILTER \

  (gst_capsfilter_get_type())

#define GST_CAPS_FILTER(obj) \

  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_CAPS_FILTER,GstCapsFilter))

#define GST_CAPS_FILTER_CLASS(klass) \

  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_CAPS_FILTER,GstCapsFilterClass))

#define GST_IS_CAPS_FILTER(obj) \

  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_CAPS_FILTER))

#define GST_IS_CAPS_FILTER_CLASS(klass) \

  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_CAPS_FILTER))

typedef struct _GstCapsFilter GstCapsFilter;

typedef struct _GstCapsFilterClass GstCapsFilterClass;

/**

 * GstCapsFilterCapsChangeMode:

 * @GST_CAPS_FILTER_CAPS_CHANGE_MODE_IMMEDIATE: Only accept the current filter caps

 * @GST_CAPS_FILTER_CAPS_CHANGE_MODE_DELAYED: Temporarily accept previous filter caps

 *

 * Filter caps change behaviour

 */

typedef enum {

  GST_CAPS_FILTER_CAPS_CHANGE_MODE_IMMEDIATE,

  GST_CAPS_FILTER_CAPS_CHANGE_MODE_DELAYED

} GstCapsFilterCapsChangeMode;

/**

 * GstCapsFilter:

 *

 * The opaque #GstCapsFilter data structure.

 */

struct _GstCapsFilter {

  GstBaseTransform trans;

  GstCaps *filter_caps;

  gboolean filter_caps_used;

  GstCapsFilterCapsChangeMode caps_change_mode;

  gboolean got_sink_caps;

  GList *pending_events;

  GList *previous_caps;

};

struct _GstCapsFilterClass {

  GstBaseTransformClass trans_class;

};

G_GNUC_INTERNAL GType gst_capsfilter_get_type (void);

G_END_DECLS

#endif /* __GST_CAPS_FILTER_H__ */