fix some bugs, collect subtitle pages
authorFelix Domke <tmbinc@elitedvb.net>
Mon, 5 Jun 2006 21:22:21 +0000 (21:22 +0000)
committerFelix Domke <tmbinc@elitedvb.net>
Mon, 5 Jun 2006 21:22:21 +0000 (21:22 +0000)
lib/dvb/teletext.cpp
lib/dvb/teletext.h

index 6f8886e..0fa9809 100644 (file)
@@ -107,7 +107,8 @@ void eDVBTeletextParser::processPESPacket(__u8 *pkt, int len)
                
                m_M = magazine_and_packet_address & 7;
                m_Y = magazine_and_packet_address >> 3;
-//             eDebug("line %d, framing code: %02x, M=%02x, Y=%02x", line_offset, framing_code, M, Y);
+
+//                     eDebug("line %d, framing code: %02x, M=%02x, Y=%02x", line_offset, framing_code, m_M, m_Y);
                
                if (m_Y == 0) /* page header */
                {
@@ -129,8 +130,10 @@ void eDVBTeletextParser::processPESPacket(__u8 *pkt, int len)
                        m_C |= decode_hamming_84(data + 6) << 7;
                        m_C |= decode_hamming_84(data + 7) << 11;
                        
+                       int serial_mode = m_C & (1<<11);
+                       
                                /* page on the same magazine? end current page. */
-                       if ((m_M == m_page_M) && (m_page_open))
+                       if ((serial_mode || (m_M == m_page_M)) && (m_page_open))
                        {
                                handlePageEnd();
                                m_page_open = 0;
@@ -138,6 +141,9 @@ void eDVBTeletextParser::processPESPacket(__u8 *pkt, int len)
                        
                        m_X = decode_hamming_84(data+1) * 0x10 + decode_hamming_84(data);
                        
+                       if (m_C & (1<<6))
+                               m_found_subtitle_pages.insert((m_M << 8) | m_X);
+                       
                                /* correct page on correct magazine? open page. */
                        if ((m_M == m_page_M) && (m_X == m_page_X))
                        {
@@ -178,10 +184,11 @@ void eDVBTeletextParser::handleLine(unsigned char *data, int len)
        if (!m_Y) /* first line is page header, we don't need that. */
                return;
 
-       int last_was_white = 1, color = -1;
+       int last_was_white = 1, color = 7; /* start with whitespace. start with color=white. (that's unrelated.) */
        
        std::string text;
        
+//     eDebug("handle subtitle line: %d len", len);
        for (int i=0; i<len; ++i)
        {
                unsigned char b = decode_odd_parity(data + i);
@@ -192,8 +199,7 @@ void eDVBTeletextParser::handleLine(unsigned char *data, int len)
                        {
                                if (b != color) /* new color is split into a new string */
                                {
-                                       if (color != -1)
-                                               addSubtitleString(color, text);
+                                       addSubtitleString(color, text);
                                        text = "";
                                        color = b;
                                }
@@ -201,6 +207,7 @@ void eDVBTeletextParser::handleLine(unsigned char *data, int len)
                                /* ignore other attributes */
                } else
                {
+                       eDebugNoNewLine("%c", b);
                                /* no more than one whitespace, only printable chars */
                        if (((!last_was_white) || (b != ' ')) && (b >= 0x20))
                        {
@@ -209,11 +216,13 @@ void eDVBTeletextParser::handleLine(unsigned char *data, int len)
                        }
                }
        }
+       eDebug("");
        addSubtitleString(color, text);
 }
 
 void eDVBTeletextParser::handlePageEnd()
 {
+       eDebug("handle page end");
        addSubtitleString(-1, ""); /* end last line */ 
        sendSubtitlePage();  /* send assembled subtitle page to display */
 }
@@ -231,6 +240,7 @@ void eDVBTeletextParser::connectNewPage(const Slot1<void, const eDVBTeletextSubt
 
 void eDVBTeletextParser::addSubtitleString(int color, const std::string &string)
 {
+//     eDebug("add subtitle string: %s, col %d", string.c_str(), color);
        gRGB rgbcol((color & 1) ? 255 : 128, (color & 2) ? 255 : 128, (color & 4) ? 255 : 128);
        if ((color != m_subtitle_color) && !m_subtitle_text.empty())
        {
index a73783a..2fe9bb7 100644 (file)
@@ -35,6 +35,8 @@ public:
        void setPage(int page);
        
        void connectNewPage(const Slot1<void,const eDVBTeletextSubtitlePage &> &slot, ePtr<eConnection> &connection);
+       
+       std::set<int> m_found_subtitle_pages;
 private:
        void processPESPacket(__u8 *pkt, int len);