#include <lib/dvb/idemux.h>
#include <lib/gdi/gpixmap.h>
-/*
- This is a very simple en300 706 telext decoder.
-
- It can only decode a single page at a time, thus it's only used
- for subtitles.
-
- */
+// G0 and G2 national option table
+// see table 33 in ETSI EN 300 706
+// use it with (triplet 1 bits 14-11)*(ctrl bits C12-14)
+
+unsigned char NationalOptionSubsetsLookup[16*8] =
+{
+ 1, 4, 11, 5, 3, 8, 0, 1,
+ 7, 4, 11, 5, 3, 1, 0, 1,
+ 1, 4, 11, 5, 3, 8, 12, 1,
+ 1, 1, 1, 1, 1, 10, 1, 9,
+ 1, 4, 2, 6, 1, 1, 0, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, // reserved
+ 1, 1, 1, 1, 1, 1, 12, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, // reserved
+ 1, 1, 1, 1, 3, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, // reserved
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, // reserved
+ 1, 1, 1, 1, 1, 1, 1, 1, // reserved
+ 1, 1, 1, 1, 1, 1, 1, 1, // reserved
+ 1, 1, 1, 1, 1, 1, 1, 1, // reserved
+ 1, 1, 1, 1, 1, 1, 1, 1 // reserved
+};
+
+unsigned char NationalReplaceMap[128] =
+{
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 1, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 5, 6, 7, 8,
+ 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10, 11, 12, 13, 0
+};
+
+// national option subsets (UTF8)
+// see table 36 in ETSI EN 300 706
+
+unsigned int NationalOptionSubsets[13*14] = {
+ 0, 0x0023, 0xc5af, 0xc48d, 0xc5a5, 0xc5be, 0xc3bd, 0xc3ad, 0xc599, 0xc3a9, 0xc3a1, 0xc49b, 0xc3ba, 0xc5a1, // Slovak/Czech
+ 0, 0xc2a3, 0x0024, 0x0040, 0xe28690, 0xc2bd, 0xe28692, 0xe28691, 0x0023, 0x002d, 0xc2bc, 0xc781, 0xc2be, 0xc3b7, // English
+ 0, 0x0023, 0xc3b5, 0xc5A0, 0xc384, 0xc396, 0xc5bd, 0xc39c, 0xc395, 0xc5a1, 0xc3a4, 0xc3b6, 0xc5be, 0xc3bc, // Estonian
+ 0, 0xc3a9, 0xc3af, 0xc3a0, 0xc3ab, 0xc3aa, 0xc3b9, 0xc3ae, 0x0023, 0xc3a8, 0xc3a2, 0xc3b4, 0xc3bb, 0xc3a7, // French
+ 0, 0x0023, 0x0024, 0xc2a7, 0xc384, 0xc396, 0xc39c, 0x005e, 0x005f, 0xcb9a, 0xc3a4, 0xc3b6, 0xc3bc, 0xc39f, // German
+ 0, 0xc2a3, 0x0024, 0xc3a9, 0xcb9a, 0xc3a7, 0xe28692, 0xe28691, 0x0023, 0xc3b9, 0xc3a0, 0xc3b2, 0xc3a8, 0xc3ac, // Italian
+ 0, 0x0023, 0x0024, 0xc5a0, 0xc497, 0xc8a9, 0xc5bd, 0xc48d, 0xc5ab, 0xc5a1, 0xc485, 0xc5b3, 0xc5be, 0xc4af/*FIXMEE*/, // Lithuanian/Lettish
+ 0, 0x0023, 0xc584, 0xc485, 0xc6b5, 0xc59a, 0xc581, 0xc487, 0xc3b3, 0xc499, 0xc5bc, 0xc59b, 0xc582, 0xc5ba, // Polish
+ 0, 0xc3a7, 0x0024, 0xc2a1, 0xc3a1, 0xc3a9, 0xc3ad, 0xc3b3, 0xc3ba, 0xc2bf, 0xc3bc, 0xc3b1, 0xc3a8, 0xc3a0, // Spanish/Portuguese
+ 0, 0x0023, 0xc2a4, 0xc5a2, 0xc382, 0xc59e, 0xc78d, 0xc38e, 0xc4b1, 0xc5a3, 0xc3a2, 0xc59f, 0xc78e, 0xc3ae, // Rumanian
+ 0, 0x0023, 0xc38b, 0xc48c, 0xc486, 0xc5bd, 0xc490, 0xc5a0, 0xc3ab, 0xc48d, 0xc487, 0xc5be, 0xc491, 0xc5a1, // Slovenian/Serbian/Croation
+ 0, 0x0023, 0xc2a4, 0xc389, 0xc384, 0xc396, 0xc385, 0xc39c, 0x005f, 0xc3a9, 0xc3a4, 0xc3b6, 0xc3a5, 0xc3bc, // Finnish/Hungarian/Swedish
+ 0, 0xee8080/*FIXME*/, 0xc7a7, 0xc4b0, 0xc59e, 0xc396, 0xc387, 0xc39c, 0xc7a6, 0xc4b1, 0xc59f, 0xc3b6, 0xc3a7, 0xc3bc // Turkish
+};
+// This is a very simple en300 706 telext decoder.
+// It can only decode a single page at a time, thus it's only used
+// for subtitles.
+
DEFINE_REF(eDVBTeletextParser);
/* we asumme error free transmission! */
{
setStreamID(0xBD); /* as per en 300 472 */
- setPage(-1);
+ setPageAndMagazine(0,0);
if (demux->createPESReader(eApp, m_pes_reader))
eDebug("failed to create teletext subtitle PES reader!");
break;
}
+ if (data_unit_id != 0x03)
+ {
+ /* eDebug("non subtitle data unit id %d", data_unit_id); */
+ break;
+ }
+
unsigned char line_offset = *p++; len--;
unsigned char framing_code = *p++; len--;
int serial_mode = m_C & (1<<11);
/* page on the same magazine? end current page. */
- if ((serial_mode || (m_M == m_page_M)) && (m_page_open))
+ if ((serial_mode || m_M == m_page_M) && m_page_open)
{
handlePageEnd(have_pts, pts);
m_page_open = 0;
m_X = decode_hamming_84(data+1) * 0x10 + decode_hamming_84(data);
if ((m_C & (1<<6)) && (m_X != 0xFF)) /* scan for pages with subtitle bit set */
- m_found_subtitle_pages.insert((m_M << 8) | m_X);
-
+ {
+ eDVBServicePMTHandler::subtitleStream s;
+ s.pid = m_pid;
+ s.subtitling_type = 0x01; // ebu teletext subtitle
+ s.teletext_page_number = m_X & 0xFF;
+ s.teletext_magazine_number = m_M & 7;
+ m_found_subtitle_pages.insert(s);
+ }
+
/* correct page on correct magazine? open page. */
- if ((m_M == m_page_M) && (m_X == m_page_X))
+ if (m_M == m_page_M && m_X == m_page_X)
{
handlePageStart();
m_page_open = 1;
handleLine(data + 8, 32);
}
- } else
+ } else if (m_Y < 26) // directly displayable packet
{
- /* data for the selected page? */
- if ((m_M == m_page_M) && m_page_open)
+ /* data for the selected page ? */
+ if (m_M == m_page_M && m_page_open)
handleLine(data, 40);
}
+/* else
+ {
+ if (m_M == m_page_M && m_page_open)
+ eDebug("ignore packet %d, disgnation code %d", m_Y, decode_hamming_84(data));
+ }*/
}
}
m_page_open = 0;
if (m_pes_reader)
+ {
+ m_pid = pid;
return m_pes_reader->start(pid);
+ }
else
return -1;
}
m_subtitle_page.m_have_pts = have_pts;
m_subtitle_page.m_pts = pts;
m_subtitle_page.m_timeout = 90000 * 20; /* 20s */
- if (m_page_number != -1)
+ if (m_page_X != 0)
sendSubtitlePage(); /* send assembled subtitle page to display */
}
-void eDVBTeletextParser::setPage(int page)
+void eDVBTeletextParser::setPageAndMagazine(int page, int magazine)
{
if (page > 0)
eDebug("enable teletext subtitle page %d", page);
else
eDebug("disable teletext subtitles");
- m_page_number = page;
- m_page_M = (page >> 8) & 7; /* magazine to look for */
- m_page_X = page & 0xFF; /* page number */
+ m_page_M = magazine&7; /* magazine to look for */
+ m_page_X = page&0xFF; /* page number */
}
void eDVBTeletextParser::connectNewPage(const Slot1<void, const eDVBTeletextSubtitlePage&> &slot, ePtr<eConnection> &connection)
void eDVBTeletextParser::addSubtitleString(int color, std::string string)
{
// eDebug("add subtitle string: %s, col %d", string.c_str(), color);
-
+ static unsigned char out[512];
int force_cell = 0;
-
+
if (string.substr(0, 2) == "- ")
{
string = string.substr(2);
force_cell = 1;
}
+ int len = string.length(),
+ idx = 0,
+ outidx = 0,
+ Gtriplet = 0,
+ nat_opts = (m_C >> 11) & 0x7,
+ nat_subset = NationalOptionSubsetsLookup[Gtriplet*8+nat_opts];
+ while (idx < len)
+ {
+ unsigned char c = string[idx];
+ if (c >= 0x20)
+ {
+ if (NationalReplaceMap[c])
+ {
+ unsigned int utf8_code =
+ NationalOptionSubsets[nat_subset*14+c];
+ if (utf8_code > 0xFFFFFF)
+ out[outidx++]=(utf8_code&0xFF000000)>>24;
+ if (utf8_code > 0xFFFF)
+ out[outidx++]=(utf8_code&0xFF0000)>>16;
+ if (utf8_code > 0xFF)
+ out[outidx++]=(utf8_code&0xFF00)>>8;
+ out[outidx++]=utf8_code&0xFF;
+ }
+ else
+ out[outidx++] = c;
+ }
+ ++idx;
+ }
+
// eDebug("color %d, m_subtitle_color %d", color, m_subtitle_color);
gRGB rgbcol((color & 1) ? 255 : 128, (color & 2) ? 255 : 128, (color & 4) ? 255 : 128);
- if ((color != m_subtitle_color || force_cell) && !m_subtitle_text.empty() && ((color == -2) || !string.empty()))
+ if ((color != m_subtitle_color || force_cell) && !m_subtitle_text.empty() && ((color == -2) || outidx))
{
// eDebug("add text |%s|: %d != %d || %d", m_subtitle_text.c_str(), color, m_subtitle_color, force_cell);
m_subtitle_page.m_elements.push_back(eDVBTeletextSubtitlePageElement(rgbcol, m_subtitle_text));
} else if (!m_subtitle_text.empty() && m_subtitle_text[m_subtitle_text.size()-1] != ' ')
m_subtitle_text += " ";
- if (!string.empty())
+ if (outidx)
{
// eDebug("set %d as new color", color);
m_subtitle_color = color;
- m_subtitle_text += string;
+ m_subtitle_text += std::string((const char*)out, outidx);
}
}
git.cweiske.de / enigma2.git / blobdiff