1 /* 2 * This file is part of FFmpeg. 3 * 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. 8 * 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. 13 * 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 17 */ 18 19 #ifndef AVFILTER_PULLUP_H 20 #define AVFILTER_PULLUP_H 21 22 #include "avfilter.h" 23 24 typedef struct PullupBuffer { 25 int lock[2]; 26 uint8_t *planes[4]; 27 } PullupBuffer; 28 29 typedef struct PullupField { 30 int parity; 31 PullupBuffer *buffer; 32 unsigned flags; 33 int breaks; 34 int affinity; 35 int *diffs; 36 int *combs; 37 int *vars; 38 struct PullupField *prev, *next; 39 } PullupField; 40 41 typedef struct PullupFrame { 42 int lock; 43 int length; 44 int parity; 45 PullupBuffer *ifields[4], *ofields[2]; 46 PullupBuffer *buffer; 47 } PullupFrame; 48 49 typedef struct PullupContext { 50 const AVClass *class; 51 int junk_left, junk_right, junk_top, junk_bottom; 52 int metric_plane; 53 int strict_breaks; 54 int strict_pairs; 55 int metric_w, metric_h, metric_length; 56 int metric_offset; 57 int nb_planes; 58 int planewidth[4]; 59 int planeheight[4]; 60 PullupField *first, *last, *head; 61 PullupBuffer buffers[10]; 62 PullupFrame frame; 63 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); 67 } PullupContext; 68 69 void ff_pullup_init_x86(PullupContext *s); 70 71 #endif /* AVFILTER_PULLUP_H */ 72