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/*
* From ccextractor, leave this file as intact and close to the original as possible so that
* it is easy to patch in fixes - even though this file contains code that we don't need.
*
* Note that the SRT sub generation from CC could be useful for mkv subs.
*/
#ifndef __deccc608sub_H__
#define __deccc608sub_H__
#include "common.h"
struct s_write;
void handle_end_of_data (struct s_write *wb);
void process608 (const unsigned char *data, int length, struct s_write *wb);
void get_char_in_latin_1 (unsigned char *buffer, unsigned char c);
void get_char_in_unicode (unsigned char *buffer, unsigned char c);
int get_char_in_utf_8 (unsigned char *buffer, unsigned char c);
unsigned char cctolower (unsigned char c);
unsigned char cctoupper (unsigned char c);
int general_608_init (struct s_write *wb);
void general_608_close (struct s_write *wb);
#define CC608_SCREEN_WIDTH 32
enum cc_modes
{
MODE_POPUP = 0,
MODE_ROLLUP_2 = 1,
MODE_ROLLUP_3 = 2,
MODE_ROLLUP_4 = 3,
MODE_TEXT = 4
};
enum color_code
{
COL_WHITE = 0,
COL_GREEN = 1,
COL_BLUE = 2,
COL_CYAN = 3,
COL_RED = 4,
COL_YELLOW = 5,
COL_MAGENTA = 6,
COL_USERDEFINED = 7
};
enum font_bits
{
FONT_REGULAR = 0,
FONT_ITALICS = 1,
FONT_UNDERLINED = 2,
FONT_UNDERLINED_ITALICS = 3
};
struct eia608_screen // A CC buffer
{
unsigned char characters[15][33];
unsigned char colors[15][33];
unsigned char fonts[15][33]; // Extra char at the end for a 0
int row_used[15]; // Any data in row?
int empty; // Buffer completely empty?
};
struct eia608
{
struct eia608_screen buffer1;
struct eia608_screen buffer2;
int cursor_row, cursor_column;
int visible_buffer;
int srt_counter; // Number of subs currently written
int screenfuls_counter; // Number of meaningful screenfuls written
int64_t current_visible_start_ms; // At what time did the current visible buffer became so?
// unsigned current_visible_start_cc; // At what time did the current visible buffer became so?
enum cc_modes mode;
unsigned char last_c1, last_c2;
int channel; // Currently selected channel
unsigned char color; // Color we are currently using to write
unsigned char font; // Font we are currently using to write
int rollup_base_row;
};
struct s_write {
struct eia608 *data608;
FILE *fh;
unsigned char *subline;
int new_sentence;
int new_channel;
int in_xds_mode;
hb_buffer_t *hb_buffer;
hb_buffer_t *hb_last_buffer;
uint64_t last_pts;
unsigned char *enc_buffer; // Generic general purpose buffer
unsigned enc_buffer_used;
unsigned enc_buffer_capacity;
int clear_sub_needed; // Indicates that we need to send a null
// subtitle to clear the current subtitle
};
enum command_code
{
COM_UNKNOWN = 0,
COM_ERASEDISPLAYEDMEMORY = 1,
COM_RESUMECAPTIONLOADING = 2,
COM_ENDOFCAPTION = 3,
COM_TABOFFSET1 = 4,
COM_TABOFFSET2 = 5,
COM_TABOFFSET3 = 6,
COM_ROLLUP2 = 7,
COM_ROLLUP3 = 8,
COM_ROLLUP4 = 9,
COM_CARRIAGERETURN = 10,
COM_ERASENONDISPLAYEDMEMORY = 11,
COM_BACKSPACE = 12,
COM_RESUMETEXTDISPLAY = 13
};
enum encoding_type
{
ENC_UNICODE = 0,
ENC_LATIN_1 = 1,
ENC_UTF_8 = 2
};
enum output_format
{
OF_RAW = 0,
OF_SRT = 1,
OF_SAMI = 2,
OF_TRANSCRIPT = 3,
OF_RCWT = 4
};
#endif
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