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