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 #include "subreader.h"
  25 #include "dec_sub.h"
  26
  27 typedef struct mp_osd_bbox_s {
  28     int x1,y1,x2,y2;
  29 } mp_osd_bbox_t;
  30
  31 #define OSDTYPE_OSD 1
  32 #define OSDTYPE_SUBTITLE 2
  33 #define OSDTYPE_PROGBAR 3
  34 #define OSDTYPE_SPU 4
  35 #define OSDTYPE_DVDNAV 5
  36 #define OSDTYPE_TELETEXT 6
  37
  38 #define OSDFLAG_VISIBLE 1
  39 #define OSDFLAG_CHANGED 2
  40 #define OSDFLAG_BBOX 4
  41 #define OSDFLAG_OLD_BBOX 8
  42 #define OSDFLAG_FORCE_UPDATE 16
  43
  44 #define MAX_UCS 1600
  45 #define MAX_UCSLINES 16
  46
  47 typedef struct mp_osd_obj_s {
  48     struct mp_osd_obj_s* next;
  49     unsigned char type;
  50     unsigned char alignment; // 2 bits: x;y percentages, 2 bits: x;y relative to parent; 2 bits: alignment left/right/center
  51     unsigned short flags;
  52     int x,y;
  53     int dxs,dys;
  54     mp_osd_bbox_t bbox; // bounding box
  55     mp_osd_bbox_t old_bbox; // the renderer will save bbox here
  56     union {
  57         struct {
  58             void* sub;                  // value of vo_sub at last update
  59             int utbl[MAX_UCS+1];        // subtitle text
  60             int xtbl[MAX_UCSLINES];     // x positions
  61             int lines;                  // no. of lines
  62         } subtitle;
  63         struct {
  64             int elems;
  65         } progbar;
  66     } params;
  67     int stride;
  68
  69     int allocated;
  70     unsigned char *alpha_buffer;
  71     unsigned char *bitmap_buffer;
  72
  73     struct ass_track *osd_track;
  74 } mp_osd_obj_t;
  75
  76 extern subtitle* vo_sub;
  77
  78 extern void* vo_osd_teletext_page;
  79 extern int vo_osd_teletext_half;
  80 extern int vo_osd_teletext_mode;
  81 extern int vo_osd_teletext_format;
  82
  83 extern int vo_osd_progbar_type;
  84 extern int vo_osd_progbar_value;   // 0..255
  85
  86 extern void* vo_spudec;
  87 extern void* vo_vobsub;
  88
  89 #define OSD_PLAY 0x01
  90 #define OSD_PAUSE 0x02
  91 #define OSD_STOP 0x03
  92 #define OSD_REW 0x04
  93 #define OSD_FFW 0x05
  94 #define OSD_CLOCK 0x06
  95 #define OSD_CONTRAST 0x07
  96 #define OSD_SATURATION 0x08
  97 #define OSD_VOLUME 0x09
  98 #define OSD_BRIGHTNESS 0x0A
  99 #define OSD_HUE 0x0B
 100 #define OSD_BALANCE 0x0C
 101 #define OSD_PANSCAN 0x50
 102
 103 #define OSD_PB_START 0x10
 104 #define OSD_PB_0 0x11
 105 #define OSD_PB_END 0x12
 106 #define OSD_PB_1 0x13
 107
 108 /* now in textform */
 109 extern char * const sub_osd_names[];
 110 extern char * const sub_osd_names_short[];
 111
 112 extern char *sub_cp;
 113 extern int sub_pos;
 114 extern int sub_width_p;
 115 extern int sub_alignment;
 116 extern int sub_bg_color; /* subtitles background color */
 117 extern int sub_bg_alpha;
 118 extern int spu_alignment;
 119 extern int spu_aamode;
 120 extern float spu_gaussvar;
 121
 122 extern char *subtitle_font_encoding;
 123 extern float text_font_scale_factor;
 124 extern float osd_font_scale_factor;
 125 extern float subtitle_font_radius;
 126 extern float subtitle_font_thickness;
 127 extern int subtitle_autoscale;
 128
 129 extern char *font_name;
 130 extern char *sub_font_name;
 131 extern float font_factor;
 132 extern float sub_delay;
 133 extern float sub_fps;
 134
 135 extern int sub_justify;
 136
 137 void osd_draw_text(struct osd_state *osd, int dxs, int dys,
 138                    void (*draw_alpha)(void *ctx, int x0, int y0, int w, int h,
 139                                       unsigned char* src, unsigned char *srca,
 140                                       int stride),
 141                    void *ctx);
 142 void osd_draw_text_ext(struct osd_state *osd, int dxs, int dys,
 143                        int left_border, int top_border, int right_border,
 144                        int bottom_border, int orig_w, int orig_h,
 145                        void (*draw_alpha)(void *ctx, int x0, int y0, int w,
 146                                           int h, unsigned char* src,
 147                                           unsigned char *srca,
 148                                           int stride),
 149                        void *ctx);
 150
 151 struct osd_state *osd_create(struct MPOpts *opts, struct ass_library *asslib);
 152 void osd_set_text(struct osd_state *osd, const char *text);
 153 int osd_update(struct osd_state *osd, int dxs, int dys);
 154 int vo_osd_changed(int new_value);
 155 int vo_osd_check_range_update(int,int,int,int);
 156 void osd_free(struct osd_state *osd);
 157
 158 #ifdef CONFIG_DVDNAV
 159 #include <inttypes.h>
 160 void osd_set_nav_box (uint16_t sx, uint16_t sy, uint16_t ex, uint16_t ey);
 161 #endif
 162
 163
 164 // used only by osd_libass.c
 165 void osd_alloc_buf(mp_osd_obj_t* obj);
 166
 167 // defined in osd_libass.c or osd_dummy.c
 168 void vo_update_text_osd(struct osd_state *osd, mp_osd_obj_t *obj);
 169 void vo_update_text_teletext(struct osd_state *osd, mp_osd_obj_t *obj);
 170 void vo_update_text_progbar(struct osd_state *osd, mp_osd_obj_t *obj);
 171 void vo_update_text_sub(struct osd_state *osd, mp_osd_obj_t *obj);
 172 void osd_get_function_sym(char *buffer, size_t buffer_size, int osd_function);
 173 void osd_init_backend(struct osd_state *osd);
 174 void osd_destroy_backend(struct osd_state *osd);
 175
 176 #endif /* MPLAYER_SUB_H */