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7f23e75f3c
Make function pointers NULL when nothing needs to be done. Pass target pixels to dither and matrix functions so that we can later make them operate on the target buffer memory directly.
73 lines
2.1 KiB
C
73 lines
2.1 KiB
C
/* Video conversion functions
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* Copyright (C) 2010 David Schleef <ds@schleef.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __COLORSPACE_H__
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#define __COLORSPACE_H__
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#include <gst/video/video.h>
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#include "gstcms.h"
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G_BEGIN_DECLS
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typedef struct _VideoConvert VideoConvert;
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typedef enum {
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DITHER_NONE,
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DITHER_VERTERR,
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DITHER_HALFTONE
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} ColorSpaceDitherMethod;
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struct _VideoConvert {
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GstVideoInfo in_info;
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GstVideoInfo out_info;
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gint width;
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gint height;
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gint in_bits;
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gint out_bits;
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gint cmatrix[4][4];
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guint32 *palette;
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ColorSpaceDitherMethod dither;
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guint8 *tmpline;
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guint16 *tmpline16;
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guint16 *errline;
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void (*convert) (VideoConvert *convert, GstVideoFrame *dest, const GstVideoFrame *src);
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void (*matrix) (VideoConvert *convert, guint8 * pixels);
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void (*matrix16) (VideoConvert *convert, guint16 * pixels);
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void (*dither16) (VideoConvert *convert, guint16 * pixels, int j);
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};
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VideoConvert * videoconvert_convert_new (GstVideoInfo *in_info,
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GstVideoInfo *out_info);
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void videoconvert_convert_free (VideoConvert * convert);
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void videoconvert_convert_set_dither (VideoConvert * convert, int type);
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void videoconvert_convert_convert (VideoConvert * convert,
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GstVideoFrame *dest, const GstVideoFrame *src);
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G_END_DECLS
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#endif /* __GST_COLORSPACE_H__ */
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