0,0 → 1,80 |
/* |
* This file is part of FFmpeg. |
* |
* FFmpeg is free software; you can redistribute it and/or |
* modify it under the terms of the GNU Lesser General Public |
* License as published by the Free Software Foundation; either |
* version 2.1 of the License, or (at your option) any later version. |
* |
* FFmpeg is distributed in the hope that it will be useful, |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
* Lesser General Public License for more details. |
* |
* You should have received a copy of the GNU Lesser General Public |
* License along with FFmpeg; if not, write to the Free Software |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
*/ |
|
#ifndef AVFILTER_IDET_H |
#define AVFILTER_IDET_H |
|
#include "libavutil/pixdesc.h" |
#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); |
|
typedef enum { |
TFF, |
BFF, |
PROGRESSIVE, |
UNDETERMINED, |
} Type; |
|
typedef enum { |
REPEAT_NONE, |
REPEAT_TOP, |
REPEAT_BOTTOM, |
} RepeatedField; |
|
typedef struct { |
const AVClass *class; |
float interlace_threshold; |
float progressive_threshold; |
float repeat_threshold; |
float half_life; |
uint64_t decay_coefficient; |
|
Type last_type; |
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uint64_t repeats[3]; |
uint64_t prestat[4]; |
uint64_t poststat[4]; |
uint64_t total_repeats[3]; |
uint64_t total_prestat[4]; |
uint64_t total_poststat[4]; |
|
uint8_t history[HIST_SIZE]; |
|
AVFrame *cur; |
AVFrame *next; |
AVFrame *prev; |
ff_idet_filter_func filter_line; |
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int interlaced_flag_accuracy; |
int analyze_interlaced_flag; |
int analyze_interlaced_flag_done; |
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const AVPixFmtDescriptor *csp; |
int eof; |
} 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 */ |
int ff_idet_filter_line_c(const uint8_t *a, const uint8_t *b, const uint8_t *c, int w); |
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 |