/* GStreamer

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

 *

 * 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_VIDEO_FILTER_H__

#define __GST_VIDEO_FILTER_H__

#include <gst/base/gstbasetransform.h>

#include <gst/video/video.h>

G_BEGIN_DECLS

typedef struct _GstVideoFilter GstVideoFilter;

typedef struct _GstVideoFilterClass GstVideoFilterClass;

#define GST_TYPE_VIDEO_FILTER \

  (gst_video_filter_get_type())

#define GST_VIDEO_FILTER(obj) \

  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VIDEO_FILTER,GstVideoFilter))

#define GST_VIDEO_FILTER_CLASS(klass) \

  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VIDEO_FILTER,GstVideoFilterClass))

#define GST_VIDEO_FILTER_GET_CLASS(obj) \

  (G_TYPE_INSTANCE_GET_CLASS((obj), GST_TYPE_VIDEO_FILTER, GstVideoFilterClass))

#define GST_IS_VIDEO_FILTER(obj) \

  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VIDEO_FILTER))

#define GST_IS_VIDEO_FILTER_CLASS(klass) \

  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VIDEO_FILTER))

#define GST_VIDEO_FILTER_CAST(obj)  ((GstVideoFilter *)(obj))

struct _GstVideoFilter {

  GstBaseTransform element;

  gboolean negotiated;

  GstVideoInfo in_info;

  GstVideoInfo out_info;

  /*< private >*/

  gpointer _gst_reserved[GST_PADDING];

};

/**

 * GstVideoFilterClass:

 * @parent_class: the parent class structure

 * @set_info: function to be called with the negotiated caps and video infos

 * @transform_frame: transform a video frame

 * @transform_frame_ip: transform a video frame in place

 *

 * The video filter class structure.

 */

struct _GstVideoFilterClass {

  GstBaseTransformClass parent_class;

  gboolean      (*set_info)           (GstVideoFilter *filter,

                                       GstCaps *incaps, GstVideoInfo *in_info,

                                       GstCaps *outcaps, GstVideoInfo *out_info);

  /* transform */

  GstFlowReturn (*transform_frame)    (GstVideoFilter *filter,

                                       GstVideoFrame *inframe, GstVideoFrame *outframe);

  GstFlowReturn (*transform_frame_ip) (GstVideoFilter *trans, GstVideoFrame *frame);

  /*< private >*/

  gpointer _gst_reserved[GST_PADDING];

};

GST_VIDEO_API

GType gst_video_filter_get_type (void);

#ifdef G_DEFINE_AUTOPTR_CLEANUP_FUNC

G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstVideoFilter, gst_object_unref)

#endif

G_END_DECLS

#endif /* __GST_VIDEO_FILTER_H__ */