/*
  * 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, int s);
     int (*comb)(const uint8_t *a, const uint8_t *b, int s);
     int (*var )(const uint8_t *a, const uint8_t *b, int s);
 } PullupContext;
 
 void ff_pullup_init_x86(PullupContext *s);
 
 #endif /* AVFILTER_PULLUP_H */