unsigned char NationalOptionSubsetsLookup[16*8] =
{
- 1, 4, 11, 5, 3, 8, 0, 1,
+ 1, 4, 11, 5, 3, 8, 0, 9,
7, 4, 11, 5, 3, 1, 0, 1,
1, 4, 11, 5, 3, 8, 12, 1,
1, 1, 1, 1, 1, 10, 1, 9,
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.
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)
{
setStreamID(0xBD); /* as per en 300 472 */
- setPageAndMagazine(0,0);
+ setPageAndMagazine(-1, -1);
if (demux->createPESReader(eApp, m_pes_reader))
eDebug("failed to create teletext subtitle PES reader!");
{
}
+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;
while (len > 2)
{
- unsigned char data_unit_id = *p++;
+ /*unsigned char data_unit_id = */*p++;
unsigned char data_unit_length = *p++;
len -= 2;
// break;
// }
- unsigned char line_offset = *p++; len--;
+ /*unsigned char line_offset =*/ *p++; len--;
unsigned char framing_code = *p++; 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 */
continue;
- m_M = magazine_and_packet_address & 7;
- m_Y = magazine_and_packet_address >> 3;
-
+ int M = magazine_and_packet_address & 7,
+ Y = magazine_and_packet_address >> 3;
// eDebug("line %d, framing code: %02x, M=%02x, Y=%02x", line_offset, framing_code, m_M, m_Y);
- if (m_Y == 0) /* page header */
+ if (Y == 0) /* page header */
{
- m_C = 0;
-
- m_S1 = decode_hamming_84(data + 2); /* S1 */
- int S2C4 = decode_hamming_84(data + 3);
-
- m_S2 = S2C4 & 7;
- m_C |= (S2C4 & 8) ? (1<<4) : 0;
-
- m_S3 = decode_hamming_84(data + 4);
-
- int S4C5C6 = decode_hamming_84(data + 5);
-
- m_S4 = S4C5C6 & 3;
- m_C |= (S4C5C6 & 0xC) << 3;
-
- m_C |= decode_hamming_84(data + 6) << 7;
- m_C |= decode_hamming_84(data + 7) << 11;
-
- int serial_mode = m_C & (1<<11);
-
+ int X = decode_hamming_84(data + 1) * 0x10 + decode_hamming_84(data),
+// S1 = decode_hamming_84(data + 2),
+ S2C4 = decode_hamming_84(data + 3),
+// S2 = S2C4 & 7,
+// S3 = decode_hamming_84(data + 4),
+ S4C5C6 = decode_hamming_84(data + 5),
+// S4 = S4C5C6 & 3,
+ C = ((S2C4 & 8) ? (1<<4) : 0) |
+ ((S4C5C6 & 0xC) << 3) |
+ (decode_hamming_84(data + 6) << 7) |
+ (decode_hamming_84(data + 7) << 11),
+ serial_mode = 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_page_M) && m_page_open)
{
+ eDebug("Page End %d %lld", !have_pts, pts);
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 */
+
+ if ((C & (1<<6)) && (X != 0xFF) && !(C & (1<<5))) /* scan for pages with subtitle bit set */
{
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;
+ s.teletext_page_number = X & 0xFF;
+ s.teletext_magazine_number = 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_page_M && X == m_page_X)
{
+ eDebug("Page Start %d %lld", !have_pts, pts);
+ m_C = C;
+ m_Y = Y;
handlePageStart();
m_page_open = 1;
+ m_box_open = 0;
handleLine(data + 8, 32);
}
- } else if (m_Y < 26) // directly displayable packet
+ } else if (Y < 26) // directly displayable packet
{
/* data for the selected page ? */
- if (m_M == m_page_M && m_page_open)
+ if (M == m_page_M && m_page_open)
+ {
+ m_Y = Y;
+ m_box_open = 0;
handleLine(data, 40);
- }
-/* else
+ }
+ } else if (Y == 26 && m_page_open && M == m_page_M)
{
- if (m_M == m_page_M && m_page_open)
- eDebug("ignore packet %d, disgnation code %d", m_Y, decode_hamming_84(data));
- }*/
+// 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("non handled packet X/%d/%d", Y, decode_hamming_84(data));
+ }
}
}
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)
return;
}
- int last_was_white = 1, color = 7; /* start with whitespace. start with color=white. (that's unrelated.) */
-
- std::string text;
-
+ int last_was_white = 1, color = 1; /* start with whitespace. start with color=white. (that's unrelated.) */
+
+ static unsigned char out[128];
+
+ int outidx = 0,
+ Gtriplet = 0,
+ nat_opts = (m_C & (1<<14) ? 1 : 0) |
+ (m_C & (1<<13) ? 2 : 0) |
+ (m_C & (1<<12) ? 4 : 0),
+ nat_subset = NationalOptionSubsetsLookup[Gtriplet*8+nat_opts];
+/* eDebug("nat_opts = %d, nat_subset = %d, C121314 = %d%d%d",
+ nat_opts, nat_subset,
+ (m_C & (1<<12))?1:0,
+ (m_C & (1<<13))?1:0,
+ (m_C & (1<<14))?1:0);*/
+
// eDebug("handle subtitle line: %d len", len);
for (int i=0; i<len; ++i)
{
+ std::map<int,unsigned int>::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 */
{
if (b != color) /* new color is split into a new string */
{
- addSubtitleString(color, text);
- text = "";
+ addSubtitleString(color, std::string((const char*)out, outidx));
+ outidx = 0;
color = b;
}
- } else if (b == 0xd)
- {
+ }
+ else if (b == 0xd)
m_double_height = m_Y + 1;
- } else if (b != 0xa && b != 0xb) /* box */
+ else if (b == 0xa) // close box
+ m_box_open=0;
+ else if (b == 0xb) // open box
+ ++m_box_open;
+ else
eDebug("[ignore %x]", b);
/* ignore other attributes */
- } else
+ } else if (m_box_open>1)
{
//eDebugNoNewLine("%c", b);
/* no more than one whitespace, only printable chars */
if (((!last_was_white) || (b != ' ')) && (b >= 0x20))
{
- text += b;
+ 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[cur_nat_subset*14+offs];
+ 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++] = b;
last_was_white = b == ' ';
}
}
}
//eDebug("");
- addSubtitleString(color, text);
+ addSubtitleString(color, std::string((const char*)out, outidx));
}
void eDVBTeletextParser::handlePageEnd(int have_pts, const pts_t &pts)
eDebug("enable teletext subtitle page %x%02x", magazine, page);
else
eDebug("disable teletext subtitles");
- m_page_M = magazine&7; /* magazine to look for */
- m_page_X = page&0xFF; /* page number */
+ m_page_M = magazine; /* magazine to look for */
+ if (magazine != -1)
+ m_page_M &= 7;
+ m_page_X = page; /* page number */
+ if (page != -1)
+ m_page_X &= 0xFF;
}
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];
+// eDebug("(%d)add subtitle string: %s, col %d", m_Y, string.c_str(), color);
int force_cell = 0;
if (string.substr(0, 2) == "- ")
force_cell = 1;
}
- int len = string.length(),
- idx = 0,
- outidx = 0,
- Gtriplet = 0,
- nat_opts = (m_C & (1<<14) ? 1 : 0) | (m_C & (1<<13) ? 2 : 0) | (m_C & (1<<12) ? 4 : 0),
- nat_subset = NationalOptionSubsetsLookup[Gtriplet*8+nat_opts];
-// eDebug("nat_opts = %d, nat_subset = %d, m_C %08x, C121314 = %d%d%d",
-// nat_opts, nat_subset, m_C,
-// (m_C & (1<<12))?1:0,
-// (m_C & (1<<13))?1:0,
-// (m_C & (1<<14))?1:0);
- while (idx < len)
- {
- unsigned char c = string[idx];
- if (c >= 0x20)
- {
- unsigned char offs = NationalReplaceMap[c];
- if (offs)
- {
- unsigned int utf8_code =
- NationalOptionSubsets[nat_subset*14+offs];
- 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) || outidx))
+ if ((color != m_subtitle_color || force_cell) && !m_subtitle_text.empty() && ((color == -2) || !string.empty()))
{
// 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 (outidx)
+ if (!string.empty())
{
// eDebug("set %d as new color", color);
m_subtitle_color = color;
- m_subtitle_text += std::string((const char*)out, outidx);
+ m_subtitle_text += string;
}
}
void eDVBTeletextParser::sendSubtitlePage()
{
// eDebug("subtitle page:");
- //for (unsigned int i = 0; i < m_subtitle_page.m_elements.size(); ++i)
- // eDebug("%s", m_subtitle_page.m_elements[i].m_text.c_str());
- m_new_subtitle_page(m_subtitle_page);
+ bool empty=true;
+ if (empty)
+ for (unsigned int i = 0; i < m_subtitle_page.m_elements.size(); ++i)
+ if (!m_subtitle_page.m_elements[i].m_text.empty())
+ empty=false;
+ if (!empty)
+ m_new_subtitle_page(m_subtitle_page);
}
git.cweiske.de / enigma2.git / blobdiff