libavfilter/yadif.h

   1 /*
   2  * This file is part of Libav.
   3  *
   4  * Libav is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * Libav is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with Libav; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  */
  18
  19 #ifndef AVFILTER_YADIF_H
  20 #define AVFILTER_YADIF_H
  21
  22 #include "libavutil/pixdesc.h"
  23 #include "avfilter.h"
  24
  25 typedef struct YADIFContext {
  26     /**
  27      * 0: send 1 frame for each frame
  28      * 1: send 1 frame for each field
  29      * 2: like 0 but skips spatial interlacing check
  30      * 3: like 1 but skips spatial interlacing check
  31      */
  32     int mode;
  33
  34     /**
  35      *  0: top field first
  36      *  1: bottom field first
  37      * -1: auto-detection
  38      */
  39     int parity;
  40
  41     int frame_pending;
  42
  43     /**
  44      *  0: deinterlace all frames
  45      *  1: only deinterlace frames marked as interlaced
  46      */
  47     int auto_enable;
  48
  49     AVFrame *cur;
  50     AVFrame *next;
  51     AVFrame *prev;
  52     AVFrame *out;
  53
  54     /**
  55      * Required alignment for filter_line
  56      */
  57     int req_align;
  58     void (*filter_line)(void *dst,
  59                         void *prev, void *cur, void *next,
  60                         int w, int prefs, int mrefs, int parity, int mode);
  61     void (*filter_edges)(void *dst, void *prev, void *cur, void *next,
  62                          int w, int prefs, int mrefs, int parity, int mode,
  63                          int l_edge);
  64
  65     const AVPixFmtDescriptor *csp;
  66     int eof;
  67 } YADIFContext;
  68
  69 void ff_yadif_init_x86(YADIFContext *yadif);
  70
  71 #endif /* AVFILTER_YADIF_H */