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/*
* 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_YADIF_H
#define AVFILTER_YADIF_H
#include "libavutil/pixdesc.h"
#include "avfilter.h"
enum YADIFMode {
YADIF_MODE_SEND_FRAME = 0, ///< send 1 frame for each frame
YADIF_MODE_SEND_FIELD = 1, ///< send 1 frame for each field
YADIF_MODE_SEND_FRAME_NOSPATIAL = 2, ///< send 1 frame for each frame but skips spatial interlacing check
YADIF_MODE_SEND_FIELD_NOSPATIAL = 3, ///< send 1 frame for each field but skips spatial interlacing check
};
enum YADIFParity {
YADIF_PARITY_TFF = 0, ///< top field first
YADIF_PARITY_BFF = 1, ///< bottom field first
YADIF_PARITY_AUTO = -1, ///< auto detection
};
enum YADIFDeint {
YADIF_DEINT_ALL = 0, ///< deinterlace all frames
YADIF_DEINT_INTERLACED = 1, ///< only deinterlace frames marked as interlaced
};
typedef struct YADIFContext {
const AVClass *class;
enum YADIFMode mode;
enum YADIFParity parity;
enum YADIFDeint deint;
int frame_pending;
AVFrame *cur;
AVFrame *next;
AVFrame *prev;
AVFrame *out;
/**
* Required alignment for filter_line
*/
void (*filter_line)(void *dst,
void *prev, void *cur, void *next,
int w, int prefs, int mrefs, int parity, int mode);
void (*filter_edges)(void *dst, void *prev, void *cur, void *next,
int w, int prefs, int mrefs, int parity, int mode);
const AVPixFmtDescriptor *csp;
int eof;
uint8_t *temp_line;
int temp_line_size;
} YADIFContext;
void ff_yadif_init_x86(YADIFContext *yadif);
#endif /* AVFILTER_YADIF_H */
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