yading@11: /*
yading@11:  * This file is part of FFmpeg.
yading@11:  *
yading@11:  * FFmpeg is free software; you can redistribute it and/or modify
yading@11:  * it under the terms of the GNU General Public License as published by
yading@11:  * the Free Software Foundation; either version 2 of the License, or
yading@11:  * (at your option) any later version.
yading@11:  *
yading@11:  * FFmpeg is distributed in the hope that it will be useful,
yading@11:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
yading@11:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
yading@11:  * GNU General Public License for more details.
yading@11:  *
yading@11:  * You should have received a copy of the GNU General Public License along
yading@11:  * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
yading@11:  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
yading@11:  */
yading@11: 
yading@11: #ifndef AVFILTER_YADIF_H
yading@11: #define AVFILTER_YADIF_H
yading@11: 
yading@11: #include "libavutil/pixdesc.h"
yading@11: #include "avfilter.h"
yading@11: 
yading@11: enum YADIFMode {
yading@11:     YADIF_MODE_SEND_FRAME           = 0, ///< send 1 frame for each frame
yading@11:     YADIF_MODE_SEND_FIELD           = 1, ///< send 1 frame for each field
yading@11:     YADIF_MODE_SEND_FRAME_NOSPATIAL = 2, ///< send 1 frame for each frame but skips spatial interlacing check
yading@11:     YADIF_MODE_SEND_FIELD_NOSPATIAL = 3, ///< send 1 frame for each field but skips spatial interlacing check
yading@11: };
yading@11: 
yading@11: enum YADIFParity {
yading@11:     YADIF_PARITY_TFF  =  0, ///< top field first
yading@11:     YADIF_PARITY_BFF  =  1, ///< bottom field first
yading@11:     YADIF_PARITY_AUTO = -1, ///< auto detection
yading@11: };
yading@11: 
yading@11: enum YADIFDeint {
yading@11:     YADIF_DEINT_ALL        = 0, ///< deinterlace all frames
yading@11:     YADIF_DEINT_INTERLACED = 1, ///< only deinterlace frames marked as interlaced
yading@11: };
yading@11: 
yading@11: typedef struct YADIFContext {
yading@11:     const AVClass *class;
yading@11: 
yading@11:     enum YADIFMode   mode;
yading@11:     enum YADIFParity parity;
yading@11:     enum YADIFDeint  deint;
yading@11: 
yading@11:     int frame_pending;
yading@11: 
yading@11:     AVFrame *cur;
yading@11:     AVFrame *next;
yading@11:     AVFrame *prev;
yading@11:     AVFrame *out;
yading@11: 
yading@11:     /**
yading@11:      * Required alignment for filter_line
yading@11:      */
yading@11:     void (*filter_line)(void *dst,
yading@11:                         void *prev, void *cur, void *next,
yading@11:                         int w, int prefs, int mrefs, int parity, int mode);
yading@11:     void (*filter_edges)(void *dst, void *prev, void *cur, void *next,
yading@11:                          int w, int prefs, int mrefs, int parity, int mode);
yading@11: 
yading@11:     const AVPixFmtDescriptor *csp;
yading@11:     int eof;
yading@11:     uint8_t *temp_line;
yading@11:     int temp_line_size;
yading@11: } YADIFContext;
yading@11: 
yading@11: void ff_yadif_init_x86(YADIFContext *yadif);
yading@11: 
yading@11: #endif /* AVFILTER_YADIF_H */