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2ba45a60 DM |
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 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. | |
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 GNU | |
12 | * Lesser General Public License for more details. | |
13 | * | |
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 | |
17 | */ | |
18 | ||
19 | #ifndef AVFILTER_IDET_H | |
20 | #define AVFILTER_IDET_H | |
21 | ||
22 | #include "libavutil/pixdesc.h" | |
23 | #include "avfilter.h" | |
24 | ||
25 | #define HIST_SIZE 4 | |
26 | ||
27 | typedef int (*ff_idet_filter_func)(const uint8_t *a, const uint8_t *b, const uint8_t *c, int w); | |
28 | ||
29 | typedef enum { | |
30 | TFF, | |
31 | BFF, | |
f6fa7814 | 32 | PROGRESSIVE, |
2ba45a60 DM |
33 | UNDETERMINED, |
34 | } Type; | |
35 | ||
f6fa7814 DM |
36 | typedef enum { |
37 | REPEAT_NONE, | |
38 | REPEAT_TOP, | |
39 | REPEAT_BOTTOM, | |
40 | } RepeatedField; | |
41 | ||
2ba45a60 DM |
42 | typedef struct { |
43 | const AVClass *class; | |
44 | float interlace_threshold; | |
45 | float progressive_threshold; | |
f6fa7814 DM |
46 | float repeat_threshold; |
47 | float half_life; | |
48 | uint64_t decay_coefficient; | |
2ba45a60 DM |
49 | |
50 | Type last_type; | |
f6fa7814 DM |
51 | |
52 | uint64_t repeats[3]; | |
53 | uint64_t prestat[4]; | |
54 | uint64_t poststat[4]; | |
55 | uint64_t total_repeats[3]; | |
56 | uint64_t total_prestat[4]; | |
57 | uint64_t total_poststat[4]; | |
2ba45a60 DM |
58 | |
59 | uint8_t history[HIST_SIZE]; | |
60 | ||
61 | AVFrame *cur; | |
62 | AVFrame *next; | |
63 | AVFrame *prev; | |
64 | ff_idet_filter_func filter_line; | |
65 | ||
66 | const AVPixFmtDescriptor *csp; | |
f6fa7814 | 67 | int eof; |
2ba45a60 DM |
68 | } IDETContext; |
69 | ||
70 | void ff_idet_init_x86(IDETContext *idet, int for_16b); | |
71 | ||
72 | /* main fall-back for left-over */ | |
73 | int ff_idet_filter_line_c(const uint8_t *a, const uint8_t *b, const uint8_t *c, int w); | |
74 | int ff_idet_filter_line_c_16bit(const uint16_t *a, const uint16_t *b, const uint16_t *c, int w); | |
75 | ||
76 | #endif |