gstreamer/gst/videoconvert/videoconvert.h
2011-06-15 17:49:21 +02:00

97 lines
2.9 KiB
C

/* Video conversion functions
* Copyright (C) 2010 David Schleef <ds@schleef.org>
*
* 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 __COLORSPACE_H__
#define __COLORSPACE_H__
#include <gst/video/video.h>
G_BEGIN_DECLS
typedef struct _VideoConvert VideoConvert;
typedef struct _VideoFrame VideoComponent;
typedef enum {
COLOR_SPEC_NONE = 0,
COLOR_SPEC_RGB,
COLOR_SPEC_GRAY,
COLOR_SPEC_YUV_BT470_6,
COLOR_SPEC_YUV_BT709
} ColorSpaceColorSpec;
typedef enum {
DITHER_NONE,
DITHER_VERTERR,
DITHER_HALFTONE
} ColorSpaceDitherMethod;
struct _VideoComponent {
int offset;
int stride;
};
struct _VideoConvert {
gint width, height;
gboolean interlaced;
gboolean use_16bit;
gboolean dither;
GstVideoFormat from_format;
ColorSpaceColorSpec from_spec;
GstVideoFormat to_format;
ColorSpaceColorSpec to_spec;
guint32 *palette;
guint8 *tmpline;
guint16 *tmpline16;
guint16 *errline;
int dest_offset[4];
int dest_stride[4];
int src_offset[4];
int src_stride[4];
void (*convert) (VideoConvert *convert, guint8 *dest, const guint8 *src);
void (*getline) (VideoConvert *convert, guint8 *dest, const guint8 *src, int j);
void (*putline) (VideoConvert *convert, guint8 *dest, const guint8 *src, int j);
void (*matrix) (VideoConvert *convert);
void (*getline16) (VideoConvert *convert, guint16 *dest, const guint8 *src, int j);
void (*putline16) (VideoConvert *convert, guint8 *dest, const guint16 *src, int j);
void (*matrix16) (VideoConvert *convert);
void (*dither16) (VideoConvert *convert, int j);
};
VideoConvert * videoconvert_convert_new (GstVideoFormat to_format,
ColorSpaceColorSpec from_spec, GstVideoFormat from_format,
ColorSpaceColorSpec to_spec, int width, int height);
void videoconvert_convert_set_dither (VideoConvert * convert, int type);
void videoconvert_convert_set_interlaced (VideoConvert *convert,
gboolean interlaced);
void videoconvert_convert_set_palette (VideoConvert *convert,
const guint32 *palette);
const guint32 * videoconvert_convert_get_palette (VideoConvert *convert);
void videoconvert_convert_free (VideoConvert * convert);
void videoconvert_convert_convert (VideoConvert * convert,
guint8 *dest, const guint8 *src);
G_END_DECLS
#endif /* __GST_COLORSPACE_H__ */