libhb/deccc608sub.h

   1 /* deccc608sub.h
   2
   3    Copyright (c) 2003-2015 HandBrake Team
   4    This file is part of the HandBrake source code
   5    Homepage: <http://handbrake.fr/>.
   6    It may be used under the terms of the GNU General Public License v2.
   7    For full terms see the file COPYING file or visit http://www.gnu.org/licenses/gpl-2.0.html
   8  */
   9
  10 /*
  11  * From ccextractor...
  12  */
  13 #ifndef __DECCC608SUB_H__
  14 #define __DECCC608SUB_H__
  15
  16 #include "common.h"
  17
  18 struct s_write;
  19
  20 #define CC608_SCREEN_WIDTH  32
  21
  22 enum cc_modes
  23 {
  24     MODE_POPUP = 0,
  25     MODE_ROLLUP_2 = 1,
  26     MODE_ROLLUP_3 = 2,
  27     MODE_ROLLUP_4 = 3,
  28     MODE_TEXT = 4
  29 };
  30
  31 enum color_code
  32 {
  33     COL_WHITE = 0,
  34     COL_GREEN = 1,
  35     COL_BLUE = 2,
  36     COL_CYAN = 3,
  37     COL_RED = 4,
  38     COL_YELLOW = 5,
  39     COL_MAGENTA = 6,
  40     COL_USERDEFINED = 7
  41 };
  42
  43
  44 enum font_bits
  45 {
  46     FONT_REGULAR = 0,
  47     FONT_ITALICS = 1,
  48     FONT_UNDERLINED = 2,
  49     FONT_UNDERLINED_ITALICS = 3
  50 };
  51
  52 #define FONT_STYLE_MASK FONT_UNDERLINED_ITALICS
  53
  54 struct eia608_screen // A CC buffer
  55 {
  56     unsigned char characters[15][33];
  57     unsigned char colors[15][33];
  58     unsigned char fonts[15][33]; // Extra char at the end for a 0
  59     int row_used[15]; // Any data in row?
  60     int empty; // Buffer completely empty?
  61     int dirty; // Flag indicates buffer has changed since written
  62 };
  63
  64 struct eia608
  65 {
  66     struct eia608_screen buffer1;
  67     struct eia608_screen buffer2;
  68     int cursor_row, cursor_column;
  69     int visible_buffer;
  70     int ssa_counter; // Number of subs currently written
  71     int screenfuls_counter; // Number of meaningful screenfuls written
  72     int64_t current_visible_start_ms; // At what time did the current visible buffer became so?
  73     enum cc_modes mode;
  74     unsigned char last_c1, last_c2;
  75     int channel; // Currently selected channel
  76     unsigned char color; // Color we are currently using to write
  77     unsigned char font; // Font we are currently using to write
  78     int rollup_base_row;
  79 };
  80
  81 struct s_write {
  82     struct eia608 *data608;
  83     FILE *fh;
  84     unsigned char *subline;
  85     int new_sentence;
  86     int new_channel;
  87     int in_xds_mode;
  88     hb_buffer_t *hb_buffer;
  89     hb_buffer_t *hb_last_buffer;
  90     uint64_t last_pts;
  91     unsigned char *enc_buffer; // Generic general purpose buffer
  92     unsigned enc_buffer_used;
  93     unsigned enc_buffer_capacity;
  94
  95     int clear_sub_needed;   // Indicates that we need to send a null
  96                             // subtitle to clear the current subtitle
  97
  98     int rollup_cr;  // Flag indicates if CR command performed by rollup
  99     int direct_rollup;
 100     int line;   // SSA line number
 101     int width;
 102     int height;
 103     int crop[4];
 104     hb_rational_t par;
 105     uint8_t prev_font_style;
 106     uint8_t prev_font_color;
 107 };
 108
 109 enum command_code
 110 {
 111     COM_UNKNOWN = 0,
 112     COM_ERASEDISPLAYEDMEMORY = 1,
 113     COM_RESUMECAPTIONLOADING = 2,
 114     COM_ENDOFCAPTION = 3,
 115     COM_TABOFFSET1 = 4,
 116     COM_TABOFFSET2 = 5,
 117     COM_TABOFFSET3 = 6,
 118     COM_ROLLUP2 = 7,
 119     COM_ROLLUP3 = 8,
 120     COM_ROLLUP4 = 9,
 121     COM_CARRIAGERETURN = 10,
 122     COM_ERASENONDISPLAYEDMEMORY = 11,
 123     COM_BACKSPACE = 12,
 124     COM_RESUMETEXTDISPLAY = 13
 125 };
 126
 127 enum encoding_type
 128 {
 129     ENC_UNICODE = 0,
 130     ENC_LATIN_1 = 1,
 131     ENC_UTF_8 = 2
 132 };
 133
 134 enum output_format
 135 {
 136     OF_RAW  = 0,
 137     OF_SRT  = 1,
 138     OF_SAMI = 2,
 139     OF_TRANSCRIPT = 3,
 140     OF_RCWT = 4
 141 };
 142
 143 #endif // __DECCC608SUB_H__