libvo/sub.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_SUB_H
  20 #define MPLAYER_SUB_H
  21
  22 typedef struct mp_osd_bbox_s {
  23     int x1,y1,x2,y2;
  24 } mp_osd_bbox_t;
  25
  26 #define OSDTYPE_OSD 1
  27 #define OSDTYPE_SUBTITLE 2
  28 #define OSDTYPE_PROGBAR 3
  29 #define OSDTYPE_SPU 4
  30 #define OSDTYPE_DVDNAV 5
  31 #define OSDTYPE_TELETEXT 6
  32
  33 #define OSDFLAG_VISIBLE 1
  34 #define OSDFLAG_CHANGED 2
  35 #define OSDFLAG_BBOX 4
  36 #define OSDFLAG_OLD_BBOX 8
  37 #define OSDFLAG_FORCE_UPDATE 16
  38
  39 #define MAX_UCS 1600
  40 #define MAX_UCSLINES 16
  41
  42 typedef struct mp_osd_obj_s {
  43     struct mp_osd_obj_s* next;
  44     unsigned char type;
  45     unsigned char alignment; // 2 bits: x;y percentages, 2 bits: x;y relative to parent; 2 bits: alignment left/right/center
  46     unsigned short flags;
  47     int x,y;
  48     int dxs,dys;
  49     mp_osd_bbox_t bbox; // bounding box
  50     mp_osd_bbox_t old_bbox; // the renderer will save bbox here
  51     union {
  52         struct {
  53             void* sub;                  // value of vo_sub at last update
  54             int utbl[MAX_UCS+1];        // subtitle text
  55             int xtbl[MAX_UCSLINES];     // x positions
  56             int lines;                  // no. of lines
  57         } subtitle;
  58         struct {
  59             int elems;
  60         } progbar;
  61     } params;
  62     int stride;
  63
  64     int allocated;
  65     unsigned char *alpha_buffer;
  66     unsigned char *bitmap_buffer;
  67 } mp_osd_obj_t;
  68
  69 struct osd_state {
  70     unsigned char osd_text[128];
  71     struct font_desc *sub_font;
  72 };
  73
  74 #include "subreader.h"
  75
  76 extern sub_data* subdata; //currently used subtitles
  77 extern subtitle* vo_sub;
  78
  79 extern void* vo_osd_teletext_page;
  80 extern int vo_osd_teletext_half;
  81 extern int vo_osd_teletext_mode;
  82 extern int vo_osd_teletext_format;
  83
  84 extern int vo_osd_progbar_type;
  85 extern int vo_osd_progbar_value;   // 0..255
  86
  87 extern void* vo_spudec;
  88 extern void* vo_vobsub;
  89
  90 #define OSD_PLAY 0x01
  91 #define OSD_PAUSE 0x02
  92 #define OSD_STOP 0x03
  93 #define OSD_REW 0x04
  94 #define OSD_FFW 0x05
  95 #define OSD_CLOCK 0x06
  96 #define OSD_CONTRAST 0x07
  97 #define OSD_SATURATION 0x08
  98 #define OSD_VOLUME 0x09
  99 #define OSD_BRIGHTNESS 0x0A
 100 #define OSD_HUE 0x0B
 101 #define OSD_BALANCE 0x0C
 102 #define OSD_PANSCAN 0x50
 103
 104 #define OSD_PB_START 0x10
 105 #define OSD_PB_0 0x11
 106 #define OSD_PB_END 0x12
 107 #define OSD_PB_1 0x13
 108
 109 /* now in textform */
 110 extern char * const sub_osd_names[];
 111 extern char * const sub_osd_names_short[];
 112
 113 extern int sub_unicode;
 114 extern int sub_utf8;
 115
 116 extern char *sub_cp;
 117 extern int sub_pos;
 118 extern int sub_width_p;
 119 extern int sub_alignment;
 120 extern int sub_visibility;
 121 extern int sub_bg_color; /* subtitles background color */
 122 extern int sub_bg_alpha;
 123 extern int spu_alignment;
 124 extern int spu_aamode;
 125 extern float spu_gaussvar;
 126
 127 void osd_draw_text(struct osd_state *osd, int dxs, int dys,
 128                    void (*draw_alpha)(void *ctx, int x0, int y0, int w, int h,
 129                                       unsigned char* src, unsigned char *srca,
 130                                       int stride),
 131                    void *ctx);
 132 void osd_draw_text_ext(struct osd_state *osd, int dxs, int dys,
 133                        int left_border, int top_border, int right_border,
 134                        int bottom_border, int orig_w, int orig_h,
 135                        void (*draw_alpha)(void *ctx, int x0, int y0, int w,
 136                                           int h, unsigned char* src,
 137                                           unsigned char *srca,
 138                                           int stride),
 139                        void *ctx);
 140 void osd_remove_text(struct osd_state *osd, int dxs, int dys,
 141                      void (*remove)(int x0, int y0, int w, int h));
 142
 143 struct osd_state *osd_create(void);
 144 int osd_update(struct osd_state *osd, int dxs, int dys);
 145 int vo_osd_changed(int new_value);
 146 int vo_osd_check_range_update(int,int,int,int);
 147 void osd_free(struct osd_state *osd);
 148
 149 extern int vo_osd_changed_flag;
 150
 151 unsigned utf8_get_char(const char **str);
 152
 153 #ifdef CONFIG_DVDNAV
 154 #include <inttypes.h>
 155 void osd_set_nav_box (uint16_t sx, uint16_t sy, uint16_t ex, uint16_t ey);
 156 #endif
 157
 158
 159 #ifdef IS_OLD_VO
 160 #define vo_remove_text(...) osd_remove_text(global_osd, __VA_ARGS__)
 161 #endif
 162
 163 #endif /* MPLAYER_SUB_H */