gstreamer/ext/opencv/gstcvlaplace.h
Nicolas Dufresne ff6ed239b4 cvlaplace: Avoid extra copy of the output image
Simply produce the result into the output image provided by the base
class. This avoid useless copy. This also removes unchecked buffer map
and ensure that GstVideoMeta is respected (for stride mostly).

https://bugzilla.gnome.org/show_bug.cgi?id=775377
2016-12-01 21:56:10 -05:00

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3.2 KiB
C

/*
* 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_CV_LAPLACE_H__
#define __GST_CV_LAPLACE_H__
#include <gst/opencv/gstopencvvideofilter.h>
G_BEGIN_DECLS
/* #defines don't like whitespacey bits */
#define GST_TYPE_CV_LAPLACE \
(gst_cv_laplace_get_type())
#define GST_CV_LAPLACE(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_CV_LAPLACE,GstCvLaplace))
#define GST_CV_LAPLACE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_CV_LAPLACE,GstCvLaplaceClass))
#define GST_IS_CV_LAPLACE(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_CV_LAPLACE))
#define GST_IS_CV_LAPLACE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_CV_LAPLACE))
typedef struct _GstCvLaplace GstCvLaplace;
typedef struct _GstCvLaplaceClass GstCvLaplaceClass;
struct _GstCvLaplace
{
GstOpencvVideoFilter element;
gint aperture_size;
gdouble scale;
gdouble shift;
gboolean mask;
IplImage *intermediary_img;
IplImage *cvGray;
IplImage *Laplace;
};
struct _GstCvLaplaceClass
{
GstOpencvVideoFilterClass parent_class;
};
GType gst_cv_laplace_get_type (void);
gboolean gst_cv_laplace_plugin_init (GstPlugin * plugin);
G_END_DECLS
#endif /* __GST_CV_LAPLACE_H__ */