FFmpeg/libavfilter/interlace.h
Clément Bœsch 8ef57a0d61 Merge commit '41ed7ab45fc693f7d7fc35664c0233f4c32d69bb'
* commit '41ed7ab45fc693f7d7fc35664c0233f4c32d69bb':
  cosmetics: Fix spelling mistakes

Merged-by: Clément Bœsch <u@pkh.me>
2016-06-21 21:55:34 +02:00

59 lines
1.7 KiB
C

/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU 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.
*/
/**
* @file
* progressive to interlaced content filter, inspired by heavy debugging of
* tinterlace filter.
*/
#ifndef AVFILTER_INTERLACE_H
#define AVFILTER_INTERLACE_H
#include "libavutil/common.h"
#include "libavutil/imgutils.h"
#include "libavutil/opt.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "video.h"
enum ScanMode {
MODE_TFF = 0,
MODE_BFF = 1,
};
enum FieldType {
FIELD_UPPER = 0,
FIELD_LOWER = 1,
};
typedef struct InterlaceContext {
const AVClass *class;
enum ScanMode scan; // top or bottom field first scanning
int lowpass; // enable or disable low pass filtering
AVFrame *cur, *next; // the two frames from which the new one is obtained
void (*lowpass_line)(uint8_t *dstp, ptrdiff_t linesize, const uint8_t *srcp,
const uint8_t *srcp_above, const uint8_t *srcp_below);
} InterlaceContext;
void ff_interlace_init_x86(InterlaceContext *interlace);
#endif /* AVFILTER_INTERLACE_H */