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/*
* This file is part of FFmpeg.
*
* 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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*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* 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
* 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
*/
#ifndef AVFILTER_IDET_H
#define AVFILTER_IDET_H
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#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 {
TFF,
BFF,
PROGRSSIVE,
UNDETERMINED,
} Type;
typedef struct {
const AVClass *class;
float interlace_threshold;
float progressive_threshold;
Type last_type;
int prestat[4];
int poststat[4];
uint8_t history[HIST_SIZE];
AVFrame *cur;
AVFrame *next;
AVFrame *prev; |
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ff_idet_filter_func filter_line; |
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const AVPixFmtDescriptor *csp;
} 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); |
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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 |