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80 lines
2.1 KiB
80 lines
2.1 KiB
/* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#ifndef AVFILTER_IDET_H |
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#define AVFILTER_IDET_H |
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#include "libavutil/pixdesc.h" |
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#include "avfilter.h" |
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#define HIST_SIZE 4 |
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typedef int (*ff_idet_filter_func)(const uint8_t *a, const uint8_t *b, const uint8_t *c, int w); |
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typedef enum { |
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TFF, |
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BFF, |
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PROGRESSIVE, |
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UNDETERMINED, |
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} Type; |
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typedef enum { |
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REPEAT_NONE, |
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REPEAT_TOP, |
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REPEAT_BOTTOM, |
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} RepeatedField; |
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typedef struct IDETContext { |
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const AVClass *class; |
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float interlace_threshold; |
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float progressive_threshold; |
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float repeat_threshold; |
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float half_life; |
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uint64_t decay_coefficient; |
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Type last_type; |
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uint64_t repeats[3]; |
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uint64_t prestat[4]; |
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uint64_t poststat[4]; |
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uint64_t total_repeats[3]; |
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uint64_t total_prestat[4]; |
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uint64_t total_poststat[4]; |
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uint8_t history[HIST_SIZE]; |
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AVFrame *cur; |
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AVFrame *next; |
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AVFrame *prev; |
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ff_idet_filter_func filter_line; |
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int interlaced_flag_accuracy; |
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int analyze_interlaced_flag; |
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int analyze_interlaced_flag_done; |
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const AVPixFmtDescriptor *csp; |
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int eof; |
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} IDETContext; |
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void ff_idet_init_x86(IDETContext *idet, int for_16b); |
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/* main fall-back for left-over */ |
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int ff_idet_filter_line_c(const uint8_t *a, const uint8_t *b, const uint8_t *c, int w); |
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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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#endif
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