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/*
* GStreamer
* Copyright (C) 2010 Thiago Santos <thiago.sousa.santos@collabora.co.uk>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Alternatively, the contents of this file may be used under the
* GNU Lesser General Public License Version 2.1 (the "LGPL"), in
* which case the following provisions apply instead of the ones
* mentioned above:
*
* 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_OPENCV_VIDEO_FILTER_H__
#define __GST_OPENCV_VIDEO_FILTER_H__
#include <gst/gst.h>
#include <gst/video/gstvideofilter.h>
#include <gst/opencv/opencv-prelude.h>
G_BEGIN_DECLS
/* forward declare opencv type to avoid exposing them in this API */
typedef struct _IplImage IplImage;
/* #defines don't like whitespacey bits */
#define GST_TYPE_OPENCV_VIDEO_FILTER \
(gst_opencv_video_filter_get_type())
#define GST_OPENCV_VIDEO_FILTER(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OPENCV_VIDEO_FILTER,GstOpencvVideoFilter))
#define GST_OPENCV_VIDEO_FILTER_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OPENCV_VIDEO_FILTER,GstOpencvVideoFilterClass))
#define GST_IS_OPENCV_VIDEO_FILTER(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OPENCV_VIDEO_FILTER))
#define GST_IS_OPENCV_VIDEO_FILTER_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OPENCV_VIDEO_FILTER))
#define GST_OPENCV_VIDEO_FILTER_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_OPENCV_VIDEO_FILTER,GstOpencvVideoFilterClass))
#define GST_OPENCV_VIDEO_FILTER_CAST(obj) ((GstOpencvVideoFilter *) (obj))
typedef struct _GstOpencvVideoFilter GstOpencvVideoFilter;
typedef struct _GstOpencvVideoFilterClass GstOpencvVideoFilterClass;
typedef GstFlowReturn (*GstOpencvVideoFilterTransformIPFunc)
(GstOpencvVideoFilter * transform, GstBuffer * buffer, IplImage * img);
typedef GstFlowReturn (*GstOpencvVideoFilterTransformFunc)
(GstOpencvVideoFilter * transform, GstBuffer * buffer, IplImage * img,
GstBuffer * outbuf, IplImage * outimg);
typedef gboolean (*GstOpencvVideoFilterSetCaps)
(GstOpencvVideoFilter * transform, gint in_width, gint in_height,
gint in_depth, gint in_channels, gint out_width, gint out_height,
gint out_depth, gint out_channels);
struct _GstOpencvVideoFilter
{
GstVideoFilter trans;
gboolean in_place;
IplImage *cvImage;
IplImage *out_cvImage;
};
struct _GstOpencvVideoFilterClass
{
GstVideoFilterClass parent_class;
GstOpencvVideoFilterTransformFunc cv_trans_func;
GstOpencvVideoFilterTransformIPFunc cv_trans_ip_func;
GstOpencvVideoFilterSetCaps cv_set_caps;
};
GST_OPENCV_API
GType gst_opencv_video_filter_get_type (void);
GST_OPENCV_API
void gst_opencv_video_filter_set_in_place (GstOpencvVideoFilter * transform,
gboolean ip);
G_END_DECLS
#endif /* __GST_OPENCV_VIDEO_FILTER_H__ */