Impala Documentation

long Impala::Core::VideoSet::Mpeg7Doc::GetMediaTimePoint ( DOMNode * mediaTime ) [inline, private]

Definition at line 937 of file Mpeg7Doc.h.

References Impala::Util::StringParser::AdvanceP(), Impala::Util::StringParser::Eat(), Fraction2Frame(), Impala::Util::XmlDoc::GetChildNode(), Impala::Util::XmlDoc::GetElementValue(), and Impala::Util::StringParser::GetInt().

Referenced by AddShot(), and GetTemporalDecomposition().

00938     {
00939         DOMNode* timePoint = GetChildNode(mediaTime, "MediaTimePoint", true);
00940         String s = GetElementValue(timePoint);
00941         // e.g. s = T00:28:21:5985F30000
00942         Util::StringParser p(s);
00943         p.Eat('T'); // T is begin of time point
00944         long hours = p.GetInt(':');
00945         long minutes = p.GetInt(':');
00946         long seconds = p.GetInt(':');
00947         p.AdvanceP(1); // skip ':', since it is not whitespace for next
00948         long fractions = p.GetInt('F');
00949         p.AdvanceP(1);
00950         long nrFractions = p.GetInt();
00951         long frame;
00952         frame = (hours*3600 + minutes*60 + seconds)*nrFractions + fractions;
00953         return Fraction2Frame(frame);
00954     }

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