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#ifndef __lib_dvb_subtitle_h
#define __lib_dvb_subtitle_h
#include <lib/base/object.h>
#include <lib/dvb/idvb.h>
#include <lib/dvb/pesparse.h>
#include <lib/gdi/gpixmap.h>
typedef unsigned char __u8;
struct subtitle_clut_entry
{
__u8 Y, Cr, Cb, T;
__u8 valid;
};
struct subtitle_clut
{
unsigned char clut_id;
unsigned char CLUT_version_number;
subtitle_clut_entry entries_2bit[4];
subtitle_clut_entry entries_4bit[16];
subtitle_clut_entry entries_8bit[256];
subtitle_clut *next;
};
struct subtitle_page_region
{
int region_id;
int region_horizontal_address;
int region_vertical_address;
subtitle_page_region *next;
};
struct subtitle_region_object
{
int object_id;
int object_type;
int object_provider_flag;
int object_horizontal_position;
int object_vertical_position;
// not supported right now...
int foreground_pixel_value;
int background_pixel_value;
subtitle_region_object *next;
};
struct subtitle_region
{
int region_id;
int version_number;
int height, width;
enum tDepth { bpp2=1, bpp4=2, bpp8=3 } depth;
ePtr<gPixmap> buffer;
int clut_id;
subtitle_region_object *objects;
subtitle_region *next;
bool committed;
};
struct subtitle_page
{
int page_id;
time_t page_time_out;
int page_version_number;
int state;
int pcs_size;
subtitle_page_region *page_regions;
subtitle_region *regions;
subtitle_clut *cluts;
subtitle_page *next;
};
struct bitstream
{
__u8 *data;
int size;
int avail;
int consumed;
};
struct eDVBSubtitleRegion
{
ePtr<gPixmap> m_pixmap;
ePoint m_position;
eDVBSubtitleRegion &operator=(const eDVBSubtitleRegion &s)
{
m_pixmap = s.m_pixmap;
m_position = s.m_position;
return *this;
}
};
struct eDVBSubtitlePage
{
std::list<eDVBSubtitleRegion> m_regions;
pts_t m_show_time;
eSize m_display_size;
};
class eDVBSubtitleParser
:public iObject, public ePESParser, public Object
{
DECLARE_REF(eDVBSubtitleParser);
subtitle_page *m_pages;
ePtr<iDVBPESReader> m_pes_reader;
ePtr<eConnection> m_read_connection;
pts_t m_show_time;
Signal1<void,const eDVBSubtitlePage&> m_new_subtitle_page;
int m_composition_page_id, m_ancillary_page_id;
bool m_seen_eod;
eSize m_display_size;
public:
eDVBSubtitleParser(iDVBDemux *demux);
virtual ~eDVBSubtitleParser();
int start(int pid, int composition_page_id, int ancillary_page_id);
int stop();
void connectNewPage(const Slot1<void, const eDVBSubtitlePage&> &slot, ePtr<eConnection> &connection);
private:
void subtitle_process_line(subtitle_region *region, subtitle_region_object *object, int line, __u8 *data, int len);
int subtitle_process_pixel_data(subtitle_region *region, subtitle_region_object *object, int *linenr, int *linep, __u8 *data);
int subtitle_process_segment(__u8 *segment);
void subtitle_process_pes(__u8 *buffer, int len);
void subtitle_redraw_all();
void subtitle_reset();
void subtitle_redraw(int page_id);
void processPESPacket(__u8 *pkt, int len) { subtitle_process_pes(pkt, len); }
};
#endif
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