Impala Documentation

String Impala::Core::VideoSet::Mpeg7Doc::Frame2TimePoint ( int frame ) [inline, private]

Definition at line 561 of file Mpeg7Doc.h.

References Impala::MakeString(), mFractions, and String2().

00562     {
00563         // produce something like T00:28:21:5985F30000
00564         long totalFractions = frame;
00565         if (mFractions == 30000) // probably NTSC with time unit PT1001N30000F
00566             totalFractions *= 1001;
00567         long nrFractions = totalFractions % mFractions;
00568         long totalSeconds = (totalFractions - nrFractions) / mFractions;
00569         long hours = totalSeconds / 3600;
00570         totalSeconds %= 3600;
00571         long minutes = totalSeconds / 60;
00572         long seconds = totalSeconds % 60;
00573         return "T" + String2(hours) + ":" + String2(minutes) + ":" +
00574             String2(seconds) + ":" + MakeString(nrFractions) + "F" +
00575             String2(mFractions);
00576     }

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