protected override void OnBeforeGraphRunning()
{
base.OnBeforeGraphRunning();
// first all automatically rendered pins
FilterGraphTools.RenderOutputPins(_graphBuilder, _dvdbasefilter);
// MSDN: "During the connection process, the Filter Graph Manager ignores pins on intermediate filters if the pin name begins with a tilde (~)."
// then connect the skipped "~" output pins
FilterGraphTools.RenderAllManualConnectPins(_graphBuilder);
_currTime = new DvdHMSFTimeCode();
}
/// <summary>
/// Converts a <see cref="DvdHMSFTimeCode"/> to <see cref="double"/> time stamp.
/// </summary>
/// <param name="timeCode">DvdHMSFTimeCode</param>
/// <returns>Double</returns>
private static double ToDouble(DvdHMSFTimeCode timeCode)
{
Double result = timeCode.bHours * 3600d;
result += (timeCode.bMinutes * 60d);
result += timeCode.bSeconds;
return result;
}
/// <summary>
/// Calculates the duration.
/// </summary>
private void CalculateDuration()
{
DvdHMSFTimeCode totaltime = new DvdHMSFTimeCode();
DvdTimeCodeFlags ulTimeCodeFlags;
_dvdInfo.GetTotalTitleTime(totaltime, out ulTimeCodeFlags);
lock (SyncObj)
_duration = ToDouble(totaltime);
}
/// <summary>
/// Converts a <see cref="TimeSpan"/> into a <see cref="DvdHMSFTimeCode"/>.
/// </summary>
/// <param name="newTime">TimeSpan to convert.</param>
/// <returns><see cref="DvdHMSFTimeCode"/> instance.</returns>
private static DvdHMSFTimeCode ToTimeCode(TimeSpan newTime)
{
int hours = newTime.Hours;
int minutes = newTime.Minutes;
int seconds = newTime.Seconds;
DvdHMSFTimeCode timeCode = new DvdHMSFTimeCode
{
bHours = (byte) (hours & 0xff),
bMinutes = (byte) (minutes & 0xff),
bSeconds = (byte) (seconds & 0xff),
bFrames = 0
};
return timeCode;
}