X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/fe813cde98c0c550137b47dd7a75ec2d4d9e6f34..c64e82c8bad3393edd88becd31ec1047755f7836:/lib/dvb/tstools.h diff --git a/lib/dvb/tstools.h b/lib/dvb/tstools.h index a50ab441..76128071 100644 --- a/lib/dvb/tstools.h +++ b/lib/dvb/tstools.h @@ -2,13 +2,14 @@ #define __lib_dvb_tstools_h #include +#include /* * Note: we're interested in PTS values, not STC values. - * thus we're not evaluating PES headers, not adaption fields. + * thus we're evaluating PES headers, not adaption fields. */ -typedef unsigned long long pts_t; +typedef long long pts_t; class eDVBTSTools { @@ -23,13 +24,32 @@ public: void setSearchRange(int maxrange); /* get first PTS *after* the given offset. */ - int getPTS(off_t &offset, pts_t &pts); + /* pts values are zero-based. */ + int getPTS(off_t &offset, pts_t &pts, int fixed=0); + + /* this fixes up PTS to end up in a [0..len) range. + discontinuities etc. are handled here. + + input: + offset - approximate offset in file to resolve ambiguities + pts - video-pts (i.e. current STC of video decoder) + output: + pts - zero-based PTS value + */ + int fixupPTS(const off_t &offset, pts_t &pts); + + /* get (approximate) offset corresponding to PTS */ + int getOffset(off_t &offset, pts_t &pts); + + int getNextAccessPoint(pts_t &ts, const pts_t &start, int direction); void calcBegin(); void calcEnd(); int calcLen(pts_t &len); + int calcBitrate(); /* in bits/sec */ + private: int m_fd, m_pid; int m_maxrange; @@ -37,6 +57,9 @@ private: int m_begin_valid, m_end_valid; pts_t m_pts_begin, m_pts_end; off_t m_offset_begin, m_offset_end; + + eMPEGStreamInformation m_streaminfo; + int m_use_streaminfo; }; #endif