gstreamer/gst/videoscale/gstvideoscale.h
Andy Wingo 5f91e70f0b gst/videoscale/gstvideoscale.*: Clean up, port to 0.9. Derives from BaseTransform, implements a transform_caps. Remov...
Original commit message from CVS:
2005-07-01  Andy Wingo  <wingo@pobox.com>

* gst/videoscale/gstvideoscale.c:
* gst/videoscale/gstvideoscale.h: Clean up, port to 0.9. Derives
from BaseTransform, implements a transform_caps. Removed dead code
including some PAR stuff that was never reached -- should probably
be added back somehow.
2005-07-01 17:03:13 +00:00

90 lines
2.2 KiB
C

/* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_VIDEOSCALE_H__
#define __GST_VIDEOSCALE_H__
#include <gst/gst.h>
#include <gst/base/gstbasetransform.h>
G_BEGIN_DECLS
GST_DEBUG_CATEGORY_EXTERN (videoscale_debug);
#define GST_CAT_DEFAULT videoscale_debug
#define GST_TYPE_VIDEOSCALE \
(gst_videoscale_get_type())
#define GST_VIDEOSCALE(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VIDEOSCALE,GstVideoscale))
#define GST_VIDEOSCALE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VIDEOSCALE,GstVideoscale))
#define GST_IS_VIDEOSCALE(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VIDEOSCALE))
#define GST_IS_VIDEOSCALE_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VIDEOSCALE))
typedef enum {
GST_VIDEOSCALE_POINT_SAMPLE,
GST_VIDEOSCALE_NEAREST,
GST_VIDEOSCALE_BILINEAR,
GST_VIDEOSCALE_BICUBIC
} GstVideoScaleMethod;
typedef struct _GstVideoscale GstVideoscale;
typedef struct _GstVideoscaleClass GstVideoscaleClass;
struct _GstVideoscale {
GstBaseTransform element;
/* video state */
gboolean inited;
int format;
gint to_width;
gint to_height;
gint from_width;
gint from_height;
gboolean passthru;
float framerate;
GstVideoScaleMethod method;
/* private */
gint to_buf_size;
};
struct _GstVideoscaleClass {
GstBaseTransformClass parent_class;
};
GType gst_videoscale_get_type(void);
G_END_DECLS
#endif /* __GST_VIDEOSCALE_H__ */