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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 General Public
* License as published by the Free Software Foundation; either
* version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU 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_PULLUP_H
#define AVFILTER_PULLUP_H
#include "avfilter.h"
typedef struct PullupBuffer {
int lock[2];
uint8_t *planes[4];
} PullupBuffer;
typedef struct PullupField {
int parity;
PullupBuffer *buffer;
unsigned flags;
int breaks;
int affinity;
int *diffs;
int *combs;
int *vars;
struct PullupField *prev, *next;
} PullupField;
typedef struct PullupFrame {
int lock;
int length;
int parity;
PullupBuffer *ifields[4], *ofields[2];
PullupBuffer *buffer;
} PullupFrame;
typedef struct PullupContext {
const AVClass *class;
int junk_left, junk_right, junk_top, junk_bottom;
int metric_plane;
int strict_breaks;
int strict_pairs;
int metric_w, metric_h, metric_length;
int metric_offset;
int nb_planes;
int planewidth[4];
int planeheight[4];
PullupField *first, *last, *head;
PullupBuffer buffers[10];
PullupFrame frame;
int (*diff)(const uint8_t *a, const uint8_t *b, ptrdiff_t s);
int (*comb)(const uint8_t *a, const uint8_t *b, ptrdiff_t s);
int (*var )(const uint8_t *a, const uint8_t *b, ptrdiff_t s);
} PullupContext;
void ff_pullup_init_x86(PullupContext *s);
#endif /* AVFILTER_PULLUP_H */
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