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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 6147 | serge | 1 | /* |
| 2 | * This file is part of FFmpeg. |
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| 3 | * |
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| 4 | * FFmpeg is free software; you can redistribute it and/or |
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| 5 | * modify it under the terms of the GNU Lesser General Public |
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| 6 | * License as published by the Free Software Foundation; either |
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| 7 | * version 2.1 of the License, or (at your option) any later version. |
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| 8 | * |
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| 9 | * FFmpeg is distributed in the hope that it will be useful, |
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| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 12 | * Lesser General Public License for more details. |
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| 13 | * |
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| 14 | * You should have received a copy of the GNU Lesser General Public |
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| 15 | * License along with FFmpeg; if not, write to the Free Software |
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| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 17 | */ |
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| 18 | |||
| 19 | #ifndef AVFILTER_IDET_H |
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| 20 | #define AVFILTER_IDET_H |
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| 21 | |||
| 22 | #include "libavutil/pixdesc.h" |
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| 23 | #include "avfilter.h" |
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| 24 | |||
| 25 | #define HIST_SIZE 4 |
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| 26 | |||
| 27 | typedef int (*ff_idet_filter_func)(const uint8_t *a, const uint8_t *b, const uint8_t *c, int w); |
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| 28 | |||
| 29 | typedef enum { |
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| 30 | TFF, |
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| 31 | BFF, |
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| 32 | PROGRESSIVE, |
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| 33 | UNDETERMINED, |
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| 34 | } Type; |
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| 35 | |||
| 36 | typedef enum { |
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| 37 | REPEAT_NONE, |
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| 38 | REPEAT_TOP, |
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| 39 | REPEAT_BOTTOM, |
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| 40 | } RepeatedField; |
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| 41 | |||
| 42 | typedef struct { |
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| 43 | const AVClass *class; |
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| 44 | float interlace_threshold; |
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| 45 | float progressive_threshold; |
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| 46 | float repeat_threshold; |
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| 47 | float half_life; |
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| 48 | uint64_t decay_coefficient; |
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| 49 | |||
| 50 | Type last_type; |
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| 51 | |||
| 52 | uint64_t repeats[3]; |
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| 53 | uint64_t prestat[4]; |
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| 54 | uint64_t poststat[4]; |
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| 55 | uint64_t total_repeats[3]; |
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| 56 | uint64_t total_prestat[4]; |
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| 57 | uint64_t total_poststat[4]; |
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| 58 | |||
| 59 | uint8_t history[HIST_SIZE]; |
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| 60 | |||
| 61 | AVFrame *cur; |
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| 62 | AVFrame *next; |
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| 63 | AVFrame *prev; |
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| 64 | ff_idet_filter_func filter_line; |
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| 65 | |||
| 66 | int interlaced_flag_accuracy; |
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| 67 | int analyze_interlaced_flag; |
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| 68 | int analyze_interlaced_flag_done; |
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| 69 | |||
| 70 | const AVPixFmtDescriptor *csp; |
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| 71 | int eof; |
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| 72 | } IDETContext; |
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| 73 | |||
| 74 | void ff_idet_init_x86(IDETContext *idet, int for_16b); |
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| 75 | |||
| 76 | /* main fall-back for left-over */ |
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| 77 | int ff_idet_filter_line_c(const uint8_t *a, const uint8_t *b, const uint8_t *c, int w); |
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| 78 | int ff_idet_filter_line_c_16bit(const uint16_t *a, const uint16_t *b, const uint16_t *c, int w); |
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| 79 | |||
| 80 | #endif |