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/* 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__ */