libmpcodecs/vd.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_VD_H
  20 #define MPLAYER_VD_H
  21
  22 #include "mp_image.h"
  23 #include "mpc_info.h"
  24 #include "libmpdemux/stheader.h"
  25
  26 typedef struct mp_codec_info vd_info_t;
  27
  28 struct demux_packet;
  29
  30 /* interface of video decoder drivers */
  31 typedef struct vd_functions
  32 {
  33     const vd_info_t *info;
  34     int (*init)(sh_video_t *sh);
  35     void (*uninit)(sh_video_t *sh);
  36     int (*control)(sh_video_t *sh, int cmd, void *arg, ...);
  37     mp_image_t * (*decode)(sh_video_t * sh, void *data, int len, int flags);
  38     struct mp_image *(*decode2)(struct sh_video *sh, struct demux_packet *pkt,
  39                                 void *data, int len, int flags,
  40                                 double *reordered_pts);
  41 } vd_functions_t;
  42
  43 // NULL terminated array of all drivers
  44 extern const vd_functions_t *const mpcodecs_vd_drivers[];
  45
  46 #define VDCTRL_QUERY_FORMAT 3       // test for availabilty of a format
  47 #define VDCTRL_QUERY_MAX_PP_LEVEL 4 // query max postprocessing level (if any)
  48 #define VDCTRL_SET_PP_LEVEL 5       // set postprocessing level
  49 #define VDCTRL_SET_EQUALIZER 6 // set color options (brightness,contrast etc)
  50 #define VDCTRL_GET_EQUALIZER 7 // get color options (brightness,contrast etc)
  51 #define VDCTRL_RESYNC_STREAM 8 // reset decode state after seeking
  52 #define VDCTRL_QUERY_UNSEEN_FRAMES 9 // current decoder lag
  53 #define VDCTRL_RESET_ASPECT 10 // reinit filter/VO chain for new aspect ratio
  54
  55 // callbacks:
  56 int mpcodecs_config_vo2(sh_video_t *sh, int w, int h,
  57                         const unsigned int *outfmts,
  58                         unsigned int preferred_outfmt);
  59
  60 static inline int mpcodecs_config_vo(sh_video_t *sh, int w, int h,
  61                                      unsigned int preferred_outfmt)
  62 {
  63     return mpcodecs_config_vo2(sh, w, h, NULL, preferred_outfmt);
  64 }
  65
  66 mp_image_t *mpcodecs_get_image(sh_video_t *sh, int mp_imgtype, int mp_imgflag,
  67                                int w, int h);
  68 void mpcodecs_draw_slice(sh_video_t *sh, unsigned char **src, int *stride,
  69                          int w, int h, int x, int y);
  70
  71 #endif /* MPLAYER_VD_H */