X-Git-Url: http://code.vuplus.com/gitweb/?p=vuplus_dvbapp;a=blobdiff_plain;f=lib%2Fdvb%2Ftstools.h;h=9d66efc175ec06a6d7dfa26e8b0eac5147f0968e;hp=4bc04729c42056c3ab645ce46cb5a56249f0cb2f;hb=fe619dbed1c9bf14a0d442cc16d7e968769bbcc0;hpb=bbfcb7ea1f040d030277e2b6f2efa9ea0967bf2b diff --git a/lib/dvb/tstools.h b/lib/dvb/tstools.h index 4bc0472..9d66efc 100644 --- a/lib/dvb/tstools.h +++ b/lib/dvb/tstools.h @@ -4,6 +4,7 @@ #include #include #include +#include /* * Note: we're interested in PTS values, not STC values. @@ -18,9 +19,12 @@ public: eDVBTSTools(); ~eDVBTSTools(); + void setSource(ePtr &source, const char *streaminfo_filename=NULL); + void closeSource(); + int openFile(const char *filename, int nostreaminfo = 0); void closeFile(); - + void setSyncPID(int pid); void setSearchRange(int maxrange); @@ -55,12 +59,29 @@ public: 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 &_iframe_offset, 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_pid; int m_maxrange; - - eRawFile m_file; - + + ePtr m_source; + int m_begin_valid, m_end_valid; pts_t m_pts_begin, m_pts_end; off_t m_offset_begin, m_offset_end;