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/* GStreamer video frame cropping to aspect-ratio
* Copyright (C) 2009 Thijs Vermeir <thijsvermeir@gmail.com>
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_ASPECT_RATIO_CROP_H__
#define __GST_ASPECT_RATIO_CROP_H__
#include <gst/gstbin.h>
G_BEGIN_DECLS
#define GST_TYPE_ASPECT_RATIO_CROP \
(gst_aspect_ratio_crop_get_type())
#define GST_ASPECT_RATIO_CROP(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ASPECT_RATIO_CROP,GstAspectRatioCrop))
#define GST_ASPECT_RATIO_CROP_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ASPECT_RATIO_CROP,GstAspectRatioCropClass))
#define GST_IS_ASPECT_RATIO_CROP(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ASPECT_RATIO_CROP))
#define GST_IS_ASPECT_RATIO_CROP_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ASPECT_RATIO_CROP))
typedef struct _GstAspectRatioCrop GstAspectRatioCrop;
typedef struct _GstAspectRatioCropClass GstAspectRatioCropClass;
struct _GstAspectRatioCrop
{
GstBin parent;
/* our videocrop element */
GstElement *videocrop;
GstPad *sink;
/* target aspect ratio */
gint ar_num; /* if < 1 then don't change ar */
gint ar_denom;
GMutex *crop_lock;
};
struct _GstAspectRatioCropClass
{
GstBinClass parent_class;
};
GType gst_aspect_ratio_crop_get_type (void);
G_END_DECLS
#endif /* __GST_ASPECT_RATIO_CROP_H__ */
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