diff options
Diffstat (limited to 'src/Subtitles/CCDecoder.cpp')
| -rw-r--r-- | src/Subtitles/CCDecoder.cpp | 380 |
1 files changed, 380 insertions, 0 deletions
diff --git a/src/Subtitles/CCDecoder.cpp b/src/Subtitles/CCDecoder.cpp new file mode 100644 index 000000000..735122ac2 --- /dev/null +++ b/src/Subtitles/CCDecoder.cpp @@ -0,0 +1,380 @@ +/*
+ * Copyright (C) 2003-2006 Gabest
+ * http://www.gabest.org
+ *
+ * This Program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This Program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Make; see the file COPYING. If not, write to
+ * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ */
+
+#include "stdafx.h"
+#include "ccdecoder.h"
+
+CCDecoder::CCDecoder(CString fn, CString rawfn) : m_fn(fn), m_rawfn(rawfn)
+{
+ m_sts.CreateDefaultStyle(ANSI_CHARSET);
+
+ m_time = 0;
+ m_fEndOfCaption = false;
+ memset(m_buff, 0, sizeof(m_buff));
+ memset(m_disp, 0, sizeof(m_disp));
+ m_cursor = CPoint(0, 0);
+
+ if(!m_rawfn.IsEmpty())
+ _tremove(m_rawfn);
+}
+
+CCDecoder::~CCDecoder()
+{
+ if(!m_sts.IsEmpty() && !m_fn.IsEmpty())
+ {
+ m_sts.Sort();
+ m_sts.SaveAs(m_fn, EXTSRT, -1, CTextFile::ASCII);
+ m_sts.SaveAs(m_fn.Left(m_fn.ReverseFind('.')+1) + _T("utf8.srt"), EXTSRT, -1, CTextFile::UTF8);
+ m_sts.SaveAs(m_fn.Left(m_fn.ReverseFind('.')+1) + _T("utf16le.srt"), EXTSRT, -1, CTextFile::LE16);
+ m_sts.SaveAs(m_fn.Left(m_fn.ReverseFind('.')+1) + _T("utf16be.srt"), EXTSRT, -1, CTextFile::BE16);
+ }
+}
+
+void CCDecoder::MoveCursor(int x, int y)
+{
+ m_cursor = CPoint(x, y);
+ if(m_cursor.x < 0) m_cursor.x = 0;
+ if(m_cursor.y < 0) m_cursor.y = 0;
+ if(m_cursor.x >= 32) m_cursor.x = 0, m_cursor.y++;
+ if(m_cursor.y >= 16) m_cursor.y = 0;
+}
+
+void CCDecoder::OffsetCursor(int x, int y)
+{
+ MoveCursor(m_cursor.x + x, m_cursor.y + y);
+}
+
+void CCDecoder::PutChar(WCHAR c)
+{
+ m_buff[m_cursor.y][m_cursor.x] = c;
+ OffsetCursor(1, 0);
+}
+
+void CCDecoder::SaveDisp(__int64 time)
+{
+ CStringW str;
+
+ for(ptrdiff_t row = 0; row < 16; row++)
+ {
+ bool fNonEmptyRow = false;
+
+ for(ptrdiff_t col = 0; col < 32; col++)
+ {
+ if(m_disp[row][col])
+ {
+ CStringW str2(&m_disp[row][col]);
+ if(fNonEmptyRow) str += ' ';
+ str += str2;
+ col += str2.GetLength();
+ fNonEmptyRow = true;
+ }
+ }
+
+ if(fNonEmptyRow) str += '\n';
+ }
+
+ if(str.IsEmpty()) return;
+
+ m_sts.Add(str, true, (int)m_time, (int)time);
+}
+
+void CCDecoder::DecodeCC(BYTE* buff, int len, __int64 time)
+{
+ if(!m_rawfn.IsEmpty())
+ {
+ if(FILE* f = _tfopen(m_rawfn, _T("at")))
+ {
+ _ftprintf(f, _T("%02d:%02d:%02d.%03d\n"),
+ (int)(time/1000/60/60),
+ (int)((time/1000/60)%60),
+ (int)((time/1000)%60),
+ (int)(time%1000));
+
+ for(ptrdiff_t i = 0; i < len; i++)
+ {
+ _ftprintf(f, _T("%02x"), buff[i]);
+ if(i < len-1) _ftprintf(f, _T(" "));
+ if(i > 0 && (i&15)==15) _ftprintf(f, _T("\n"));
+ }
+ if(len > 0) _ftprintf(f, _T("\n\n"));
+ fclose(f);
+ }
+ }
+
+ for(ptrdiff_t i = 0; i < len; i++)
+ {
+ BYTE c = buff[i]&0x7f;
+ if(c >= 0x20)
+ {
+ static WCHAR charmap[0x60] =
+ {
+ ' ','!','"','#','$','%','&','\'','(',')',0xE1,'+',',','-','.','/',
+ '0','1','2','3','4','5','6','7','8','9',':',';','<','=','>',0x3F,
+ '@','A','B','C','D','E','F','G','H','I','J','K','L','M','N','O',
+ 'P','Q','R','S','T','U','V','W','X','Y','Z','[',0xE9,']',0xED,0xF3,
+ 0xFA,'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o',
+ 'p','q','r','s','t','u','v','w','x','y','z',0xE7,0xF7,'N','n',0x3F
+ };
+
+ PutChar(charmap[c - 0x20]);
+ }
+ else if(buff[i] != 0x80 && i < len-1)
+ {
+ // codes and special characters are supposed to be doubled
+ if(i < len-3 && buff[i] == buff[i+2] && buff[i+1] == buff[i+3])
+ i += 2;
+
+ c = buff[i+1]&0x7f;
+ if(buff[i] == 0x91 && c >= 0x20 && c < 0x30) // formating
+ {
+ // TODO
+ }
+ else if(buff[i] == 0x91 && c == 0x39) // transparent space
+ {
+ OffsetCursor(1, 0);
+ }
+ else if(buff[i] == 0x91 && c >= 0x30 && c < 0x40) // special characters
+ {
+ static WCHAR charmap[0x10] =
+ {
+ 0x00ae, // (r)egistered
+ 0x00b0, // degree
+ 0x00bd, // 1/2
+ 0x00bf, // inverted question mark
+ 0x2122, // trade mark
+ 0x00a2, // cent
+ 0x00a3, // pound
+ 0x266a, // music
+ 0x00e0, // a`
+ 0x00ff, // transparent space, handled above
+ 0x00e8, // e`
+ 0x00e2, // a^
+ 0x00ea, // e^
+ 0x00ee, // i^
+ 0x00f4, // o^
+ 0x00fb, // u^
+ };
+
+ PutChar(charmap[c - 0x30]);
+ }
+ else if(buff[i] == 0x92 && c >= 0x20 && c < 0x40) // extended characters
+ {
+ static WCHAR charmap[0x20] =
+ {
+ 0x00c0, // A'
+ 0x00c9, // E'
+ 0x00d3, // O'
+ 0x00da, // U'
+ 0x00dc, // U:
+ 0x00fc, // u:
+ 0x2018, // `
+ 0x00a1, // inverted !
+ 0x002a, // *
+ 0x2019, // '
+ 0x002d, // -
+ 0x00a9, // (c)opyright
+ 0x2120, // SM
+ 0x00b7, // . (dot in the middle)
+ 0x201c, // inverted "
+ 0x201d, // "
+
+ 0x00c1, // A`
+ 0x00c2, // A^
+ 0x00c7, // C,
+ 0x00c8, // E`
+ 0x00ca, // E^
+ 0x00cb, // E:
+ 0x00eb, // e:
+ 0x00ce, // I^
+ 0x00cf, // I:
+ 0x00ef, // i:
+ 0x00d4, // O^
+ 0x00d9, // U`
+ 0x00f9, // u`
+ 0x00db, // U^
+ 0x00ab, // <<
+ 0x00bb, // >>
+ };
+
+ PutChar(charmap[c - 0x20]);
+ }
+ else if(buff[i] == 0x13 && c >= 0x20 && c < 0x40) // more extended characters
+ {
+ static WCHAR charmap[0x20] =
+ {
+ 0x00c3, // A~
+ 0x00e3, // a~
+ 0x00cd, // I'
+ 0x00cc, // I`
+ 0x00ec, // i`
+ 0x00d2, // O`
+ 0x00f2, // o`
+ 0x00d5, // O~
+ 0x00f5, // o~
+ 0x007b, // {
+ 0x007d, // }
+ 0x005c, // /* \ */
+ 0x005e, // ^
+ 0x005f, // _
+ 0x00a6, // |
+ 0x007e, // ~
+
+ 0x00c4, // A:
+ 0x00e4, // a:
+ 0x00d6, // O:
+ 0x00f6, // o:
+ 0x00df, // B (ss in german)
+ 0x00a5, // Y=
+ 0x00a4, // ox
+ 0x007c, // |
+ 0x00c5, // Ao
+ 0x00e5, // ao
+ 0x00d8, // O/
+ 0x00f8, // o/
+ 0x250c, // |-
+ 0x2510, // -|
+ 0x2514, // |_
+ 0x2518, // _|
+ };
+
+ PutChar(charmap[c - 0x20]);
+ }
+ else if(buff[i] == 0x94 && buff[i+1] == 0xae) // Erase Non-displayed [buffer] Memory
+ {
+ memset(m_buff, 0, sizeof(m_buff));
+ }
+ else if(buff[i] == 0x94 && buff[i+1] == 0x20) // Resume Caption Loading
+ {
+ memset(m_buff, 0, sizeof(m_buff));
+ }
+ else if(buff[i] == 0x94 && buff[i+1] == 0x2f) // End Of Caption
+ {
+ if(memcmp(m_disp, m_buff, sizeof(m_disp)) != 0)
+ {
+ if(m_fEndOfCaption)
+ SaveDisp(time + (i/2)*1000/30);
+
+ m_fEndOfCaption = true;
+ memcpy(m_disp, m_buff, sizeof(m_disp));
+ m_time = time + (i/2)*1000/30;
+ }
+ }
+ else if(buff[i] == 0x94 && buff[i+1] == 0x2c) // Erase Displayed Memory
+ {
+ if(m_fEndOfCaption)
+ {
+ m_fEndOfCaption = false;
+ SaveDisp(time + (i/2)*1000/30);
+ }
+
+ memset(m_disp, 0, sizeof(m_disp));
+ }
+ else if(buff[i] == 0x97 && (buff[i+1] == 0xa1 || buff[i+1] == 0xa2 || buff[i+1] == 0x23)) // Tab Over
+ {
+ OffsetCursor(buff[i+1]&3, 0);
+ }
+ else if(buff[i] == 0x91 || buff[i] == 0x92 || buff[i] == 0x15 || buff[i] == 0x16
+ || buff[i] == 0x97 || buff[i] == 0x10 || buff[i] == 0x13 || buff[i] == 0x94) // curpos, color, underline
+ {
+ int row = 0;
+ switch(buff[i])
+ {
+ default:
+ case 0x91: row = 0; break;
+ case 0x92: row = 2; break;
+ case 0x15: row = 4; break;
+ case 0x16: row = 6; break;
+ case 0x97: row = 8; break;
+ case 0x10: row = 10; break;
+ case 0x13: row = 12; break;
+ case 0x94: row = 14; break;
+ }
+ if(buff[i+1]&0x20) row++;
+
+ int col = buff[i+1]&0xe;
+ if(col == 0 || (col > 0 && !(buff[i+1]&0x10))) col = 0;
+ else col <<= 1;
+
+ MoveCursor(col, row);
+ }
+
+ i++;
+ }
+ }
+}
+
+void CCDecoder::ExtractCC(BYTE* buff, int len, __int64 time)
+{
+ for(ptrdiff_t i = 0; i < len-9; i++)
+ {
+ if(*(DWORD*)&buff[i] == 0xb2010000 && *(DWORD*)&buff[i+4] == 0xf8014343)
+ {
+ i += 8;
+ int nBytes = buff[i++]&0x3f;
+ if(nBytes > 0)
+ {
+ nBytes = (nBytes+1)&~1;
+
+ BYTE* pData1 = new BYTE[nBytes];
+ BYTE* pData2 = new BYTE[nBytes];
+
+ if(pData1 && pData2)
+ {
+ int nBytes1 = 0, nBytes2 = 0;
+
+ for(ptrdiff_t j = 0; j < nBytes && i < 0x800;)
+ {
+ if(buff[i++] == 0xff)
+ {
+ pData1[nBytes1++] = buff[i++];
+ pData1[nBytes1++] = buff[i++];
+ }
+ else i+=2;
+
+ j++;
+
+ if(j >= nBytes) break;
+
+ if(buff[i++] == 0xff)
+ {
+ pData2[nBytes2++] = buff[i++];
+ pData2[nBytes2++] = buff[i++];
+ }
+ else i+=2;
+
+ j++;
+ }
+
+ if(nBytes1 > 0)
+ DecodeCC(pData1, nBytes1, time);
+
+ if(nBytes2 > 0)
+ DecodeCC(pData2, nBytes2, time);
+ }
+
+ if(pData1) delete [] pData1;
+ if(pData2) delete [] pData2;
+ }
+
+ break;
+ }
+ }
+}
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