Merge branch 'master' of git.opendreambox.org:/git/enigma2

[vuplus_dvbapp] / lib / dvb / tstools.h

diff --git a/lib/dvb/tstools.h b/lib/dvb/tstools.h
index 723207d..c230a34 100644 (file)
--- a/lib/dvb/tstools.h
+++ b/lib/dvb/tstools.h
@@ -3,6 +3,7 @@
 
 #include <sys/types.h>
 #include <lib/dvb/pvrparse.h>
+#include <lib/base/rawfile.h>
 
 /*
  * Note: we're interested in PTS values, not STC values.
@@ -17,7 +18,7 @@ public:
        eDVBTSTools();
        ~eDVBTSTools();
 
-       int openFile(const char *filename);
+       int openFile(const char *filename, int nostreaminfo = 0);
        void closeFile();
        
        void setSyncPID(int pid);
@@ -38,6 +39,11 @@ public:
                */
        int fixupPTS(const off_t &offset, pts_t &pts);
        
+               /* get (approximate) offset corresponding to PTS */
+       int getOffset(off_t &offset, pts_t &pts, int marg=0);
+       
+       int getNextAccessPoint(pts_t &ts, const pts_t &start, int direction);
+       
        void calcBegin();
        void calcEnd();
        
@@ -45,16 +51,45 @@ public:
        
        int calcBitrate(); /* in bits/sec */
        
+       void takeSamples();
+       int takeSample(off_t off, pts_t &p);
+       
+       int findPMT(int &pmt_pid, int &service_id);
+       
+       enum { 
+               frametypeI = 1, 
+               frametypeP = 2, 
+               frametypeB = 4, 
+               frametypeAll = frametypeI | frametypeP | frametypeB
+       };
+       /** findFrame: finds a specific frame at a given position
+       
+       findFrame will look for the specified frame type starting at the given position, moving forward
+       (when direction is >0) or backward (when direction is <0). (direction=0 is a special case and also moves
+       forward, but starts with the last frame.)
+       
+       return values are the new offset, the length of the found frame (both unaligned), and the (signed) 
+       number of frames skipped. */
+       int findFrame(off_t &offset, size_t &len, int &direction, int frame_types = frametypeI);
+       int findNextPicture(off_t &offset, size_t &len, int &distance, int frame_types = frametypeAll);
 private:
-       int m_fd, m_pid;
+       int m_pid;
        int m_maxrange;
        
+       eRawFile m_file;
+       
        int m_begin_valid, m_end_valid;
        pts_t m_pts_begin, m_pts_end;
        off_t m_offset_begin, m_offset_end;
        
+               /* for simple linear interpolation */
+       std::map<pts_t, off_t> m_samples;
+       int m_samples_taken;
+       
        eMPEGStreamInformation m_streaminfo;
        int m_use_streaminfo;
+       off_t m_last_filelength;
+       int m_futile;
 };
 
 #endif