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81 lines
2.3 KiB
C
81 lines
2.3 KiB
C
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/* 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., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, 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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ColorSpaceDitherMethod dither;
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guint lines;
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guint n_tmplines;
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gpointer *tmplines;
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guint16 *errline;
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GstVideoChromaResample *upsample;
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guint up_n_lines;
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gint up_offset;
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GstVideoChromaResample *downsample;
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guint down_n_lines;
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gint down_offset;
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void (*convert) (VideoConvert *convert, GstVideoFrame *dest, const GstVideoFrame *src);
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void (*matrix) (VideoConvert *convert, gpointer pixels);
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void (*dither16) (VideoConvert *convert, guint16 * pixels, int j);
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};
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VideoConvert * videomixer_videoconvert_convert_new (GstVideoInfo *in_info,
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GstVideoInfo *out_info);
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void videomixer_videoconvert_convert_free (VideoConvert * convert);
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void videomixer_videoconvert_convert_set_dither (VideoConvert * convert, int type);
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void videomixer_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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