8f593351804532355d9d4e2cfd6e3d61bf16593c
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 General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 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
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 #ifndef AVFILTER_PULLUP_H
20 #define AVFILTER_PULLUP_H
24 typedef struct PullupBuffer
{
29 typedef struct PullupField
{
38 struct PullupField
*prev
, *next
;
41 typedef struct PullupFrame
{
45 PullupBuffer
*ifields
[4], *ofields
[2];
49 typedef struct PullupContext
{
51 int junk_left
, junk_right
, junk_top
, junk_bottom
;
55 int metric_w
, metric_h
, metric_length
;
60 PullupField
*first
, *last
, *head
;
61 PullupBuffer buffers
[10];
64 int (*diff
)(const uint8_t *a
, const uint8_t *b
, ptrdiff_t s
);
65 int (*comb
)(const uint8_t *a
, const uint8_t *b
, ptrdiff_t s
);
66 int (*var
)(const uint8_t *a
, const uint8_t *b
, ptrdiff_t s
);
69 void ff_pullup_init_x86(PullupContext
*s
);
71 #endif /* AVFILTER_PULLUP_H */