2 * This file is part of FFmpeg.
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 #ifndef AVFILTER_TRANSPOSE_H
19 #define AVFILTER_TRANSPOSE_H
24 enum PassthroughType {
25 TRANSPOSE_PT_TYPE_NONE,
26 TRANSPOSE_PT_TYPE_LANDSCAPE,
27 TRANSPOSE_PT_TYPE_PORTRAIT,
31 TRANSPOSE_CCLOCK_FLIP,
35 TRANSPOSE_REVERSAL, // rotate by half-turn
40 typedef struct TransVtable {
41 void (*transpose_8x8)(uint8_t *src, ptrdiff_t src_linesize,
42 uint8_t *dst, ptrdiff_t dst_linesize);
43 void (*transpose_block)(uint8_t *src, ptrdiff_t src_linesize,
44 uint8_t *dst, ptrdiff_t dst_linesize,
48 void ff_transpose_init_x86(TransVtable *v, int pixstep);