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
19 #ifndef AVFILTER_IDET_H
20 #define AVFILTER_IDET_H
22 #include "libavutil/pixdesc.h"
27 typedef int (*ff_idet_filter_func)(const uint8_t *a, const uint8_t *b, const uint8_t *c, int w);
42 typedef struct IDETContext {
44 float interlace_threshold;
45 float progressive_threshold;
46 float repeat_threshold;
48 uint64_t decay_coefficient;
55 uint64_t total_repeats[3];
56 uint64_t total_prestat[4];
57 uint64_t total_poststat[4];
59 uint8_t history[HIST_SIZE];
64 ff_idet_filter_func filter_line;
66 int interlaced_flag_accuracy;
67 int analyze_interlaced_flag;
68 int analyze_interlaced_flag_done;
70 const AVPixFmtDescriptor *csp;
74 void ff_idet_init_x86(IDETContext *idet, int for_16b);
76 /* main fall-back for left-over */
77 int ff_idet_filter_line_c(const uint8_t *a, const uint8_t *b, const uint8_t *c, int w);
78 int ff_idet_filter_line_c_16bit(const uint16_t *a, const uint16_t *b, const uint16_t *c, int w);