/* * 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 */