libvo/aspect.h

   1 /*
   2  * This file is part of MPlayer.
   3  *
   4  * MPlayer 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  * MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  */
  18
  19 #ifndef MPLAYER_ASPECT_H
  20 #define MPLAYER_ASPECT_H
  21 /* Stuff for correct aspect scaling. */
  22
  23 struct vo;
  24 void panscan_init(struct vo *vo);
  25 void panscan_calc(struct vo *vo);
  26
  27 void aspect_save_orig(struct vo *vo, int orgw, int orgh);
  28
  29 void aspect_save_prescale(struct vo *vo, int prew, int preh);
  30
  31 void aspect_save_screenres(struct vo *vo, int scrw, int scrh);
  32
  33 #define A_ZOOM 1
  34 #define A_NOZOOM 0
  35
  36 void aspect(struct vo *vo, int *srcw, int *srch, int zoom);
  37 void aspect_fit(struct vo *vo, int *srcw, int *srch, int fitw, int fith);
  38
  39
  40 #ifdef IS_OLD_VO
  41 #define vo_panscan_x global_vo->panscan_x
  42 #define vo_panscan_y global_vo->panscan_y
  43 #define vo_panscan_amount global_vo->panscan_amount
  44 #define monitor_aspect global_vo->monitor_aspect
  45
  46 #define panscan_init() panscan_init(global_vo)
  47 #define panscan_calc() panscan_calc(global_vo)
  48 #define aspect_save_orig(...) aspect_save_orig(global_vo, __VA_ARGS__)
  49 #define aspect_save_prescale(...) aspect_save_prescale(global_vo, __VA_ARGS__)
  50 #define aspect_save_screenres(...) aspect_save_screenres(global_vo, __VA_ARGS__)
  51 #define aspect(...) aspect(global_vo, __VA_ARGS__)
  52 #endif
  53
  54 #endif /* MPLAYER_ASPECT_H */