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/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVFILTER_TRANSPOSE_H
#define AVFILTER_TRANSPOSE_H
#include <stddef.h>
#include <stdint.h>
enum PassthroughType {
TRANSPOSE_PT_TYPE_NONE,
TRANSPOSE_PT_TYPE_LANDSCAPE,
TRANSPOSE_PT_TYPE_PORTRAIT,
};
enum TransposeDir {
TRANSPOSE_CCLOCK_FLIP,
TRANSPOSE_CLOCK,
TRANSPOSE_CCLOCK,
TRANSPOSE_CLOCK_FLIP,
TRANSPOSE_REVERSAL, // rotate by half-turn
TRANSPOSE_HFLIP,
TRANSPOSE_VFLIP,
};
typedef struct TransVtable {
void (*transpose_8x8)(uint8_t *src, ptrdiff_t src_linesize,
uint8_t *dst, ptrdiff_t dst_linesize);
void (*transpose_block)(uint8_t *src, ptrdiff_t src_linesize,
uint8_t *dst, ptrdiff_t dst_linesize,
int w, int h);
} TransVtable;
void ff_transpose_init_x86(TransVtable *v, int pixstep);
#endif
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