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#ifndef __lib_dvb_teletext_h
#define __lib_dvb_teletext_h
#include <lib/base/object.h>
#include <lib/dvb/idvb.h>
#include <lib/dvb/pesparse.h>
#include <lib/dvb/pmt.h>
#include <lib/gdi/gpixmap.h>
#include <map>
struct eDVBTeletextSubtitlePageElement
{
gRGB m_color;
std::string m_text;
eRect m_area;
int m_source_line;
eDVBTeletextSubtitlePageElement(const gRGB &color, const std::string &text, int source_line)
: m_color(color), m_text(text), m_source_line(source_line)
{
}
};
struct eDVBTeletextSubtitlePage
{
pts_t m_pts;
int m_have_pts;
int m_timeout; /* in pts */
std::vector<eDVBTeletextSubtitlePageElement> m_elements;
void clearLine(int line) { for (unsigned int i = 0; i < m_elements.size(); ) if (m_elements[i].m_source_line == line) m_elements.erase(m_elements.begin() + i); else ++i; }
void clear() { m_elements.clear(); }
};
class eDVBTeletextParser: public iObject, public ePESParser, public Object
{
DECLARE_REF(eDVBTeletextParser);
public:
eDVBTeletextParser(iDVBDemux *demux);
virtual ~eDVBTeletextParser();
int start(int pid);
void setPageAndMagazine(int page, int magazine);
void setMagazine(int magazine);
void connectNewPage(const Slot1<void,const eDVBTeletextSubtitlePage &> &slot, ePtr<eConnection> &connection);
std::set<eDVBServicePMTHandler::subtitleStream> m_found_subtitle_pages;
private:
std::map<int, unsigned int> m_modifications;
void processPESPacket(__u8 *pkt, int len);
ePtr<iDVBPESReader> m_pes_reader;
ePtr<eConnection> m_read_connection;
eDVBTeletextSubtitlePage m_subtitle_page;
int m_C, m_Y, m_pid, m_page_M, m_page_X, m_page_open, m_double_height, m_box_open;
int m_X28_0_valid, m_X28_t1, m_X28_t2;
int m_M29_0_valid, m_M29_t1, m_M29_t2;
void handlePageStart();
void handleLine(unsigned char *line, int len);
void handlePageEnd(int have_pts, const pts_t &pts);
std::string m_subtitle_text;
int m_subtitle_color;
int m_current_source_line;
void addSubtitleString(int color, std::string string, int source_line);
void sendSubtitlePage();
Signal1<void,const eDVBTeletextSubtitlePage&> m_new_subtitle_page;
};
#endif
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