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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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_VIDEOFILTER_H__
#define __GST_VIDEOFILTER_H__
#include <gst/gst.h>
G_BEGIN_DECLS
typedef struct _GstVideofilter GstVideofilter;
typedef struct _GstVideofilterClass GstVideofilterClass;
typedef void (*GstVideofilterFilterFunc)(GstVideofilter *filter,
void *out_data, void *in_data);
typedef void (*GstVideofilterSetupFunc)(GstVideofilter *filter);
typedef struct _GstVideofilterFormat GstVideofilterFormat;
struct _GstVideofilterFormat {
char *fourcc;
int bpp;
GstVideofilterFilterFunc filter_func;
int depth;
unsigned int endianness;
unsigned int red_mask;
unsigned int green_mask;
unsigned int blue_mask;
};
#define GST_TYPE_VIDEOFILTER \
(gst_videofilter_get_type())
#define GST_VIDEOFILTER(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VIDEOFILTER,GstVideofilter))
#define GST_VIDEOFILTER_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VIDEOFILTER,GstVideofilterClass))
#define GST_IS_VIDEOFILTER(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VIDEOFILTER))
#define GST_IS_VIDEOFILTER_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VIDEOFILTER))
struct _GstVideofilter {
GstElement element;
GstPad *sinkpad,*srcpad;
/* video state */
gboolean inited;
GstVideofilterFormat *format;
gint to_width;
gint to_height;
gint from_width;
gint from_height;
gboolean passthru;
/* private */
gint from_buf_size;
gint to_buf_size;
gdouble framerate;
GstBuffer *in_buf;
GstBuffer *out_buf;
};
struct _GstVideofilterClass {
GstElementClass parent_class;
GPtrArray *formats;
GstVideofilterSetupFunc setup;
};
GType gst_videofilter_get_type(void);
int gst_videofilter_get_input_width(GstVideofilter *videofilter);
int gst_videofilter_get_input_height(GstVideofilter *videofilter);
void gst_videofilter_set_output_size(GstVideofilter *videofilter,
int width, int height);
GstVideofilterFormat *gst_videofilter_find_format_by_structure (GstVideofilter *filter,
const GstStructure *structure);
GstCaps *gst_videofilter_class_get_capslist(GstVideofilterClass *videofilterclass);
void gst_videofilter_setup (GstVideofilter * videofilter);
void gst_videofilter_class_add_format(GstVideofilterClass *videofilterclass,
GstVideofilterFormat *format);
void gst_videofilter_class_add_pad_templates (GstVideofilterClass *videofilterclass);
G_END_DECLS
#endif /* __GST_VIDEOFILTER_H__ */
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