sub/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 #include <stdbool.h>
  23
  24 typedef struct mp_osd_bbox_s {
  25     int x1,y1,x2,y2;
  26 } mp_osd_bbox_t;
  27
  28 #define OSDTYPE_OSD 1
  29 #define OSDTYPE_SUBTITLE 2
  30 #define OSDTYPE_PROGBAR 3
  31 #define OSDTYPE_SPU 4
  32 #define OSDTYPE_DVDNAV 5
  33 #define OSDTYPE_TELETEXT 6
  34
  35 #define OSDFLAG_VISIBLE 1
  36 #define OSDFLAG_CHANGED 2
  37 #define OSDFLAG_BBOX 4
  38 #define OSDFLAG_OLD_BBOX 8
  39 #define OSDFLAG_FORCE_UPDATE 16
  40
  41 #define MAX_UCS 1600
  42 #define MAX_UCSLINES 16
  43
  44 typedef struct mp_osd_obj_s {
  45     struct mp_osd_obj_s* next;
  46     unsigned char type;
  47     unsigned char alignment; // 2 bits: x;y percentages, 2 bits: x;y relative to parent; 2 bits: alignment left/right/center
  48     unsigned short flags;
  49     int x,y;
  50     int dxs,dys;
  51     mp_osd_bbox_t bbox; // bounding box
  52     mp_osd_bbox_t old_bbox; // the renderer will save bbox here
  53     union {
  54         struct {
  55             void* sub;                  // value of vo_sub at last update
  56             int utbl[MAX_UCS+1];        // subtitle text
  57             int xtbl[MAX_UCSLINES];     // x positions
  58             int lines;                  // no. of lines
  59         } subtitle;
  60         struct {
  61             int elems;
  62         } progbar;
  63     } params;
  64     int stride;
  65
  66     int allocated;
  67     unsigned char *alpha_buffer;
  68     unsigned char *bitmap_buffer;
  69 } mp_osd_obj_t;
  70
  71 struct osd_state {
  72     struct ass_library *ass_library;
  73     // flag to signal reinitialization due to ass-related option changes
  74     bool ass_force_reload;
  75     char *osd_text;
  76     struct font_desc *sub_font;
  77     struct ass_track *ass_track;
  78     double pts;
  79     double sub_offset;
  80     bool ass_track_changed;
  81     bool vsfilter_aspect;
  82 };
  83
  84 #include "subreader.h"
  85
  86 extern subtitle* vo_sub;
  87
  88 extern void* vo_osd_teletext_page;
  89 extern int vo_osd_teletext_half;
  90 extern int vo_osd_teletext_mode;
  91 extern int vo_osd_teletext_format;
  92
  93 extern int vo_osd_progbar_type;
  94 extern int vo_osd_progbar_value;   // 0..255
  95
  96 extern void* vo_spudec;
  97 extern void* vo_vobsub;
  98
  99 #define OSD_PLAY 0x01
 100 #define OSD_PAUSE 0x02
 101 #define OSD_STOP 0x03
 102 #define OSD_REW 0x04
 103 #define OSD_FFW 0x05
 104 #define OSD_CLOCK 0x06
 105 #define OSD_CONTRAST 0x07
 106 #define OSD_SATURATION 0x08
 107 #define OSD_VOLUME 0x09
 108 #define OSD_BRIGHTNESS 0x0A
 109 #define OSD_HUE 0x0B
 110 #define OSD_BALANCE 0x0C
 111 #define OSD_PANSCAN 0x50
 112
 113 #define OSD_PB_START 0x10
 114 #define OSD_PB_0 0x11
 115 #define OSD_PB_END 0x12
 116 #define OSD_PB_1 0x13
 117
 118 /* now in textform */
 119 extern char * const sub_osd_names[];
 120 extern char * const sub_osd_names_short[];
 121
 122 extern int sub_unicode;
 123 extern int sub_utf8;
 124
 125 extern char *sub_cp;
 126 extern int sub_pos;
 127 extern int sub_width_p;
 128 extern int sub_alignment;
 129 extern int sub_visibility;
 130 extern int sub_bg_color; /* subtitles background color */
 131 extern int sub_bg_alpha;
 132 extern int spu_alignment;
 133 extern int spu_aamode;
 134 extern float spu_gaussvar;
 135
 136 void osd_draw_text(struct osd_state *osd, int dxs, int dys,
 137                    void (*draw_alpha)(void *ctx, int x0, int y0, int w, int h,
 138                                       unsigned char* src, unsigned char *srca,
 139                                       int stride),
 140                    void *ctx);
 141 void osd_draw_text_ext(struct osd_state *osd, int dxs, int dys,
 142                        int left_border, int top_border, int right_border,
 143                        int bottom_border, int orig_w, int orig_h,
 144                        void (*draw_alpha)(void *ctx, int x0, int y0, int w,
 145                                           int h, unsigned char* src,
 146                                           unsigned char *srca,
 147                                           int stride),
 148                        void *ctx);
 149 void osd_remove_text(struct osd_state *osd, int dxs, int dys,
 150                      void (*remove)(int x0, int y0, int w, int h));
 151
 152 struct osd_state *osd_create(void);
 153 void osd_set_text(struct osd_state *osd, const char *text);
 154 int osd_update(struct osd_state *osd, int dxs, int dys);
 155 int vo_osd_changed(int new_value);
 156 int vo_osd_check_range_update(int,int,int,int);
 157 void osd_free(struct osd_state *osd);
 158
 159 extern int vo_osd_changed_flag;
 160
 161 unsigned utf8_get_char(const char **str);
 162
 163 #ifdef CONFIG_DVDNAV
 164 #include <inttypes.h>
 165 void osd_set_nav_box (uint16_t sx, uint16_t sy, uint16_t ex, uint16_t ey);
 166 #endif
 167
 168
 169 #ifdef IS_OLD_VO
 170 #define vo_remove_text(...) osd_remove_text(global_osd, __VA_ARGS__)
 171 #endif
 172
 173 #endif /* MPLAYER_SUB_H */