X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/6dff5d54702aa6ed8d2c8e3b8e1ddee19b38447d..c797d4040a1dfac3873b481111a84a5c557432f3:/lib/dvb/teletext.cpp diff --git a/lib/dvb/teletext.cpp b/lib/dvb/teletext.cpp index cafd8910..ca0412e3 100644 --- a/lib/dvb/teletext.cpp +++ b/lib/dvb/teletext.cpp @@ -58,6 +58,73 @@ unsigned int NationalOptionSubsets[13*14] = { 0, 0xee8080/*FIXME*/, 0xc7a7, 0xc4b0, 0xc59e, 0xc396, 0xc387, 0xc39c, 0xc7a6, 0xc4b1, 0xc59f, 0xc3b6, 0xc3a7, 0xc3bc // Turkish }; +unsigned short diacr_upper_cmap[26*15] = { + 0xc380, 0xc381, 0xc382, 0xc383, 0xc480, 0xc482, 0x0000, 0xc384, 0x0000, 0xc385, 0x0000, 0x0000, 0x0000, 0xc484, 0xc482, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0xc486, 0xc488, 0x0000, 0x0000, 0xc48c, 0xc48a, 0x0000, 0x0000, 0x0000, 0xc387, 0x0000, 0x0000, 0x0000, 0xc48c, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xc48e, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xc48e, + 0xc388, 0xc389, 0xc38a, 0x0000, 0xc492, 0xc494, 0xc496, 0xc38b, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xc498, 0xc49a, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0x0000, 0xc49c, 0x0000, 0x0000, 0xc49e, 0xc4a0, 0x0000, 0x0000, 0x0000, 0xc4a2, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0x0000, 0xc4a4, 0x0000, 0xc4a6, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, + 0xc38c, 0xc38d, 0xc38e, 0xc4a8, 0xc4aa, 0xc4ac, 0xc4b0, 0xc38f, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xc4ae, 0xc4ac, + 0x0000, 0x0000, 0xc4b4, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xc4b6, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0xc4b9, 0x0000, 0x0000, 0x0000, 0x0000, 0xc4bf, 0x0000, 0x0000, 0x0000, 0xc4bb, 0x0000, 0x0000, 0x0000, 0xc4bd, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0xc583, 0x0000, 0xc391, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xc585, 0x0000, 0x0000, 0x0000, 0xc587, + 0xc392, 0xc393, 0xc394, 0xc395, 0xc58c, 0xc58e, 0x0000, 0xc396, 0x0000, 0x0000, 0x0000, 0x0000, 0xc590, 0x0000, 0xc58e, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0xc594, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xc596, 0x0000, 0x0000, 0x0000, 0xc598, + 0x0000, 0xc59a, 0xc59c, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xc59e, 0x0000, 0x0000, 0x0000, 0xc5a0, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xc5a2, 0x0000, 0x0000, 0x0000, 0xc5a4, + 0xc399, 0xc39a, 0xc39b, 0xc5a8, 0xc5aa, 0xc5ac, 0x0000, 0xc39c, 0x0000, 0xc5ae, 0x0000, 0x0000, 0xc5b0, 0xc5b2, 0xc5ac, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0x0000, 0xc5b4, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0xc39d, 0xc5b6, 0x0000, 0x0000, 0x0000, 0x0000, 0xc5b8, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0xc5b9, 0x0000, 0x0000, 0x0000, 0x0000, 0xc5bb, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xc5bd +}; + +unsigned short diacr_lower_cmap[26*15] = { + 0xc3a0, 0xc3a1, 0xc3a2, 0xc3a3, 0xc481, 0xc483, 0x0000, 0xc3a4, 0x0000, 0xc3a5, 0x0000, 0x0000, 0x0000, 0xc485, 0xc483, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0xc487, 0xc489, 0x0000, 0x0000, 0xc48d, 0xc48b, 0x0000, 0x0000, 0x0000, 0xc3a7, 0x0000, 0x0000, 0x0000, 0xc48d, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xc48f, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xc48f, + 0xc3a8, 0xc3a9, 0xc3aa, 0x0000, 0xc493, 0xc495, 0xc497, 0xc3ab, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xc499, 0xc49b, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0x0000, 0xc49d, 0x0000, 0x0000, 0xc49f, 0xc4a1, 0x0000, 0x0000, 0x0000, 0xc4a3, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0x0000, 0xc4a5, 0x0000, 0xc4a7, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, + 0xc3ac, 0xc3ad, 0xc3ae, 0xc4a9, 0xc4ab, 0xc4ad, 0xc4b1, 0xc3af, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xc4af, 0xc4ad, + 0x0000, 0x0000, 0xc4b5, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xc4b7, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0xc4ba, 0x0000, 0x0000, 0x0000, 0x0000, 0xc580, 0x0000, 0x0000, 0x0000, 0xc4bc, 0x0000, 0x0000, 0x0000, 0xc4be, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0xc584, 0x0000, 0xc3b1, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xc586, 0x0000, 0x0000, 0x0000, 0xc588, + 0xc3b2, 0xc3b3, 0xc3b4, 0xc3b5, 0xc58d, 0xc58f, 0x0000, 0xc3b6, 0x0000, 0x0000, 0x0000, 0x0000, 0xc591, 0x0000, 0xc58f, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0xc595, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xc597, 0x0000, 0x0000, 0x0000, 0xc599, + 0x0000, 0xc59b, 0xc59d, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xc59f, 0x0000, 0x0000, 0x0000, 0xc5a1, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xc5a3, 0x0000, 0x0000, 0x0000, 0xc5a5, + 0xc3b9, 0xc3ba, 0xc3bb, 0xc5a9, 0xc5ab, 0xc5ad, 0x0000, 0xc3bc, 0x0000, 0xc5af, 0x0000, 0x0000, 0xc5b1, 0xc5b3, 0xc5ad, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0x0000, 0xc5b5, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0xc3bd, 0xc5b7, 0x0000, 0x0000, 0x0000, 0x0000, 0xc3bf, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0xc5ba, 0x0000, 0x0000, 0x0000, 0x0000, 0xc5bc, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xc5be +}; + +unsigned int Latin_G2_set[6*16] = { + 0x0020, 0xc2a1, 0xc2a2, 0xc2a3, 0x0024, 0xc2a5, 0x0023, 0xc2a7, 0xc2a4, 0xc2b4, 0x0022, 0xc2ab, 0x003c, 0x005e, 0x003d, 0x0076, + 0xc2b0, 0xc2b1, 0xc2b2, 0xc2b3, 0xc397, 0xc2b5, 0xc2b6, 0xc2b7, 0xc3b7, 0xc2b4, 0x0022, 0xc2bb, 0xc2bc, 0xc2bd, 0xc2be, 0xc2bf, + 0x0020, 0x0060, 0xc2b4, 0xcb86, 0x007e, 0xcb89, 0xcb98, 0xcb99, 0xcc88, 0x002e, 0xcb9a, 0x0020, 0x005f, 0x0022, 0x0020, 0xcb98, + 0x002d, 0xc2b9, 0xc2ae, 0xc2a9, 0xc4a2, 0x002a, 0xc2ac, 0xc0b0, 0xceb1, 0x0020, 0x0020, 0x0020, 0x002a, 0x002a, 0x002a, 0x002a, + 0xcea9, 0xc386, 0xc490, 0x0061, 0xc4a6, 0x0020, 0xc4b2, 0xc4bf, 0xc581, 0xc398, 0xc592, 0x006f, 0xc39e, 0xc5a6, 0xc58a, 0xc589, + 0xc4b8, 0xc3a6, 0xc491, 0xc48f, 0xc4a7, 0xc4b1, 0xc4b3, 0xc580, 0xc582, 0xc3b8, 0xc593, 0xc39f, 0xc3be, 0xc5a7, 0xc58b, 0x0020, +}; + // 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. @@ -77,23 +144,12 @@ static inline unsigned char decode_odd_parity(unsigned char *b) static inline unsigned char decode_hamming_84(unsigned char *b) { - unsigned char res = 0; - res |= (*b << 3) & 8; - res |= (*b ) & 4; - res |= (*b >> 3) & 2; - res |= (*b >> 6) & 1; - return res; + return ((*b << 3) & 8) | ((*b ) & 4) | ((*b >> 3) & 2) | ((*b >> 6) & 1); } static inline unsigned long decode_hamming_2418(unsigned char *b) { - unsigned long h24 = b[0] | (b[1] << 8) | (b[2] << 16); - - return - ((h24 & 0x000004) >> 2) | - ((h24 & 0x000070) >> 3) | - ((h24 & 0x007f00) >> 4) | - ((h24 & 0x7f0000) >> 5); + return ((b[0] & 0x04) >> 2) | ((b[0] & 0x70) >> 3) | ((b[1] & 0x7f) << 4) | ((b[2] & 0x7f) << 11); } static int extractPTS(pts_t &pts, unsigned char *pkt) @@ -133,6 +189,19 @@ eDVBTeletextParser::~eDVBTeletextParser() { } +char *get_bits(int val, int count) +{ + static char buf[33]; + memset(buf, 0, 32); + if (count < 33) + for (int i=0; i < count; ++i) + { + buf[(count-i)-1]=val&1?'1':'0'; + val>>=1; + } + return buf; +} + void eDVBTeletextParser::processPESPacket(__u8 *pkt, int len) { unsigned char *p = pkt; @@ -180,7 +249,7 @@ void eDVBTeletextParser::processPESPacket(__u8 *pkt, int len) int magazine_and_packet_address = decode_hamming_84(p++); len--; magazine_and_packet_address |= decode_hamming_84(p++)<<4; len--; - + unsigned char *data = p; p += 40; len -= 40; if (framing_code != 0xe4) /* no teletxt data */ @@ -208,6 +277,7 @@ void eDVBTeletextParser::processPESPacket(__u8 *pkt, int len) /* page on the same magazine? end current page. */ if ((serial_mode || M == m_page_M) && m_page_open) { + eDebug("Page End %d %lld", !have_pts, pts); handlePageEnd(have_pts, pts); m_page_open = 0; } @@ -225,9 +295,10 @@ void eDVBTeletextParser::processPESPacket(__u8 *pkt, int len) /* correct page on correct magazine? open page. */ if (M == m_page_M && X == m_page_X) { + eDebug("Page Start %d %lld", !have_pts, pts); + m_C = C; + m_Y = Y; handlePageStart(); - m_subtitle_page.m_C = C; - m_subtitle_page.m_Y = Y; m_page_open = 1; m_box_open = 0; handleLine(data + 8, 32); @@ -237,19 +308,105 @@ void eDVBTeletextParser::processPESPacket(__u8 *pkt, int len) /* data for the selected page ? */ if (M == m_page_M && m_page_open) { - m_subtitle_page.m_Y = Y; + m_Y = Y; m_box_open = 0; handleLine(data, 40); } - } else if (Y > 29) + } else if (Y == 26 && m_page_open && M == m_page_M) { - } +// int designation_code = decode_hamming_84(data); + static const unsigned char rev[16] = { + 0x00,0x08,0x04,0x0c, + 0x02,0x0a,0x06,0x0e, + 0x01,0x09,0x05,0x0d, + 0x03,0x0b,0x07,0x0f + }; + int display_row=-1, display_column=-1; + for (int a = 1; a < 40; a+=3) + { + int val; + data[a] = rev[data[a] >> 4] | (rev[data[a] & 0xf] << 4); + data[a+1] = rev[data[a+1] >> 4] | (rev[data[a+1] & 0xf] << 4); + data[a+2] = rev[data[a+2] >> 4] | (rev[data[a+2] & 0xf] << 4); + if ((val=decode_hamming_2418(data+a)) >= 0) + { + unsigned char addr = val & 0x3F; + unsigned char mode = (val >> 6) & 0x1F; + unsigned char data = (val >> 11) & 0x7F; + if (addr == 0x3f && mode == 0x1f) // termination marker + break; + if (addr >= 40) + { + if (mode == 4) + { + display_row = addr - 40; + continue; + } + else + eDebugNoNewLine("ignore unimplemented: "); + } + else //0..39 means column 0..39 + { + if (display_row != -1) + { + display_column = addr; +// eDebugNoNewLine("PosX(%d) ", display_column); +// eDebugNoNewLine("PosY(%d) ", display_row); + if (mode > 15) //char from G0 set w/ diacr. + { + unsigned int ch=data; + if (!mode&0xF) + { + if (data == 0x2A) + ch = '@'; + } + else + { + if (ch > 96 && ch < 123) + ch = diacr_lower_cmap[(ch-97)*15+(mode&0xF)-1]; + else if (ch > 64 && ch < 91) + ch = diacr_upper_cmap[(ch-65)*15+(mode&0xF)-1]; + } + if (ch) + m_modifications[(display_row<<16)|display_column] = ch ? ch : data; + else /* when data is 0 we set the diacr. mark later on the existing character .. + this isn't described in the EN300706.. but i have seen this on "Das Erste" */ + m_modifications[(display_row<<16)|display_column] = (mode&0xF); +// eDebug("char(%04x) w/ diacr. mark", ch); + continue; + } + else if (mode == 15) // char from G2 set + { + if (data > 0x19) + { + unsigned int ch=Latin_G2_set[data-0x20]; + m_modifications[(display_row<<16)|display_column] = ch; +// eDebug("char(%04x) from G2 set", ch); + continue; + } + else + eDebugNoNewLine("ignore G2 char < 0x20: "); + } + else + eDebugNoNewLine("ignore unimplemented: "); + } + else + eDebugNoNewLine("row is not selected.. ignore: "); + } + eDebugNoNewLine("triplet = %08x(%s) ", val, get_bits(val, 18)); + eDebugNoNewLine("address = %02x(%s) ", addr, get_bits(addr, 6)); + eDebugNoNewLine("mode = %02x(%s) ", mode, get_bits(mode, 5)); + eDebug("data = %02x(%s)", data, get_bits(data, 7)); + } + } + } else if (Y > 29) + /*eDebug("non handled packet 30, 31", Y, decode_hamming_84(data))*/; + else if (Y == 29) + eDebug("non handled packet M/%d/%d", Y, decode_hamming_84(data)); else if (m_page_open) { if (M == m_page_M) - eDebug("ignore packet X/%d/%d", Y, decode_hamming_84(data)); - else - eDebug("ignore packet M/%d/%d", Y, decode_hamming_84(data)); + eDebug("non handled packet X/%d/%d", Y, decode_hamming_84(data)); } } } @@ -269,11 +426,14 @@ int eDVBTeletextParser::start(int pid) void eDVBTeletextParser::handlePageStart() { -// if (m_C & (1<<4)) /* erase flag set */ - - /* we are always erasing the page, - even when the erase flag is not set. */ - m_subtitle_page.clear(); + if (m_C & (1<<4)) /* erase flag set */ + { + m_subtitle_page.clear(); + m_modifications.clear(); +// eDebug("erase page!"); + } +// else +// eDebug("no erase flag set!"); } void eDVBTeletextParser::handleLine(unsigned char *data, int len) @@ -282,13 +442,13 @@ void eDVBTeletextParser::handleLine(unsigned char *data, int len) for (int i=0; i::iterator it = m_modifications.find((m_Y<<16)|i); + if (it != m_modifications.end()) + { + unsigned int utf8_code = it->second; + if (utf8_code < 0x10) + { + int mode = utf8_code; + unsigned char ch = decode_odd_parity(data + i); + if (ch > 96 && ch < 123) + utf8_code = diacr_lower_cmap[(ch-97)*15+mode-1]; + else if (ch > 64 && ch < 91) + utf8_code = diacr_upper_cmap[(ch-65)*15+mode-1]; + } + 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; + if (utf8_code) + out[outidx++]=utf8_code&0xFF; + m_modifications.erase(it); + continue; + } + unsigned char b = decode_odd_parity(data + i); - + if (b < 0x10) /* spacing attribute */ { if (b < 8) /* colors */ @@ -328,7 +512,7 @@ void eDVBTeletextParser::handleLine(unsigned char *data, int len) } } else if (b == 0xd) - m_double_height = m_subtitle_page.m_Y + 1; + m_double_height = m_Y + 1; else if (b == 0xa) // close box m_box_open=0; else if (b == 0xb) // open box @@ -342,11 +526,19 @@ void eDVBTeletextParser::handleLine(unsigned char *data, int len) /* no more than one whitespace, only printable chars */ if (((!last_was_white) || (b != ' ')) && (b >= 0x20)) { + int cur_nat_subset = nat_subset; + + if (b == 0x24) // workaround for currency sign.. the only on non latin1 char in G0 set + { + cur_nat_subset = 9; + b = 36; + } + unsigned char offs = NationalReplaceMap[b]; if (offs) { unsigned int utf8_code = - NationalOptionSubsets[nat_subset*14+offs]; + NationalOptionSubsets[cur_nat_subset*14+offs]; if (utf8_code > 0xFFFFFF) out[outidx++]=(utf8_code&0xFF000000)>>24; if (utf8_code > 0xFFFF) @@ -398,7 +590,7 @@ void eDVBTeletextParser::connectNewPage(const Slot1