Soft Subs Part 2: Auto-detect CC during scan, add CC to subtitle list in title, if selected then CC's are extracted, MP4 Muxer will dump the subs to the log at the end of encoding. TODO: Translate PTS for buf->start to HB format, add MP4 subtitle track and subs during muxing.

git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@2375 b64f7644-9d1e-0410-96f1-a4d463321fa5

1 files changed, 131 insertions, 0 deletions

diff --git a/libhb/deccc608sub.h b/libhb/deccc608sub.h
new file mode 100644
index 000000000..e6c1518a7
--- /dev/null
+++ b/libhb/deccc608sub.h
@@ -0,0 +1,131 @@
+/*
+ * 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?    	
+};
+
+#define LLONG long long
+
+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
+    LLONG 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_subtitle_t * subtitle;
+    uint64_t last_pts;
+};
+
+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