98 lines
3.2 KiB
C
98 lines
3.2 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 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/opt.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
|
||
|
|
};
|
||
|
|
|
||
|
|
enum YADIFCurrentField {
|
||
|
|
YADIF_FIELD_BACK_END = -1, ///< The last frame in a sequence
|
||
|
|
YADIF_FIELD_END = 0, ///< The first or last field in a sequence
|
||
|
|
YADIF_FIELD_NORMAL = 1, ///< A normal field in the middle of a sequence
|
||
|
|
};
|
||
|
|
|
||
|
|
typedef struct YADIFContext {
|
||
|
|
const AVClass *class;
|
||
|
|
|
||
|
|
int mode; ///< YADIFMode
|
||
|
|
int parity; ///< YADIFParity
|
||
|
|
int deint; ///< YADIFDeint
|
||
|
|
|
||
|
|
int frame_pending;
|
||
|
|
|
||
|
|
AVFrame *cur;
|
||
|
|
AVFrame *next;
|
||
|
|
AVFrame *prev;
|
||
|
|
AVFrame *out;
|
||
|
|
|
||
|
|
void (*filter)(AVFilterContext *ctx, AVFrame *dstpic, int parity, int tff);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 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;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* An algorithm that treats first and/or last fields in a sequence
|
||
|
|
* differently can use this to detect those cases. It is the algorithm's
|
||
|
|
* responsibility to set the value to YADIF_FIELD_NORMAL after processing
|
||
|
|
* the first field.
|
||
|
|
*/
|
||
|
|
int current_field; ///< YADIFCurrentField
|
||
|
|
} YADIFContext;
|
||
|
|
|
||
|
|
void ff_yadif_init_x86(YADIFContext *yadif);
|
||
|
|
|
||
|
|
int ff_yadif_filter_frame(AVFilterLink *link, AVFrame *frame);
|
||
|
|
|
||
|
|
int ff_yadif_request_frame(AVFilterLink *link);
|
||
|
|
|
||
|
|
extern const AVOption ff_yadif_options[];
|
||
|
|
|
||
|
|
#endif /* AVFILTER_YADIF_H */
|