public int GetSlowestRate(MFRateDirection eDirection, bool fThin, out float pflRate)
{
// Make sure we *never* leave this entry point with an exception
try
{
lock (this)
{
CheckShutdown();
// There is no minimum playback rate, so the minimum is zero.
pflRate = 0;
}
return S_Ok;
}
catch (Exception e)
{
pflRate = 0;
return Marshal.GetHRForException(e);
}
}
public int GetFastestRate(MFRateDirection eDirection, bool fThin, out float pflRate)
{
// Make sure we *never* leave this entry point with an exception
try
{
lock (this)
{
float fMaxRate = 0.0f;
CheckShutdown();
// Get the maximum *forward* rate.
fMaxRate = GetMaxRate(fThin);
// For reverse playback, it's the negative of fMaxRate.
if (eDirection == MFRateDirection.Reverse)
{
fMaxRate = -fMaxRate;
}
pflRate = fMaxRate;
}
return S_Ok;
}
catch (Exception e)
{
pflRate = 0;
return Marshal.GetHRForException(e);
}
}
