Impala Documentation

static int Impala::Core::VideoSet::Mpeg7DocAudio::ReFraction	(	int	srcFrame,
		int	srcFraction,
		int	dstFraction
	)			`[inline, static]`

Definition at line 103 of file Mpeg7DocAudio.h.

Referenced by EndFrameReFraction(), and StartFrameReFraction().

00104     {
00105         Int64 totalFractions = srcFrame;
00106         if (srcFraction == 30000) // probably NTSC with time unit PT1001N30000F
00107             totalFractions *= 1001;
00108         Int64 nrFractions = totalFractions % srcFraction;
00109         Int64 seconds = (totalFractions - nrFractions) / srcFraction;
00110         double f = (double) nrFractions / (double) srcFraction;
00111         nrFractions = f * dstFraction;
00112         return seconds * dstFraction + nrFractions;
00113     }