public void Reset()
{
currentState = UncalibratedState.Instance;
currentState.Reset(this);
LastTimeStamp = null;
}
internal override TestFrameResult TestTimeStamp(StateContext context, OsdFrameInfo frameTimestamp)
{
attempts++;
if (lastGoodTimeStamp == null)
{
if (frameTimestamp.FrameInfoIsOk())
lastGoodTimeStamp = frameTimestamp;
}
else
{
if (!frameTimestamp.FrameInfoIsOk() ||
lastGoodTimeStamp.SecondField.FieldNumber + 1 != frameTimestamp.FirstField.FieldNumber ||
Math.Abs(new TimeSpan(frameTimestamp.FirstField.TimeStamp.Ticks - lastGoodTimeStamp.SecondField.TimeStamp.Ticks).TotalMilliseconds - 20) > 1)
{
lastGoodTimeStamp = null;
}
else
{
secondLastGoodTimeStamp = frameTimestamp;
context.LastTimeStamp = secondLastGoodTimeStamp;
context.TransitionToState(CalibratedState.Instance);
}
}
return attempts > 4 ? TestFrameResult.ErrorSaveScreenShotImages : TestFrameResult.Undefined;
}
public TestFrameResult TestTimeStamp(OsdFrameInfo frameTimestamp, bool ts)
{
TestFrameResult suggestedResult = currentState.TestTimeStamp(this, frameTimestamp);
if (!frameTimestamp.FrameInfoIsOk() || suggestedResult == TestFrameResult.ErrorSaveScreenShotImages)
{
return TestFrameResult.ErrorSaveScreenShotImages;
}
else
return suggestedResult;
}
internal override TestFrameResult TestTimeStamp(StateContext context, OsdFrameInfo frameTimestamp)
{
if (lastTimeStamp.SecondField.FieldNumber + 1 == frameTimestamp.FirstField.FieldNumber &&
Math.Abs(new TimeSpan(frameTimestamp.FirstField.TimeStamp.Ticks - lastTimeStamp.SecondField.TimeStamp.Ticks).TotalMilliseconds - 20) <= 1)
{
// All good
lastTimeStamp = frameTimestamp;
return TestFrameResult.Okay;
}
suggestedTimeStampTestResult = TestFrameResult.Undefined;
// Find, record and try to solve problems
#region Frame/Field Number Corrections
long expectedFieldNumber = lastTimeStamp.SecondField.FieldNumber + 1;
int attempts = 5;
while (expectedFieldNumber != frameTimestamp.FirstField.FieldNumber && attempts > 0)
{
// Problem with first frame number
long correctedFieldNo = CorrectField(expectedFieldNumber, frameTimestamp.FirstField.FieldNumber);
frameTimestamp.FirstField.FieldNumber = correctedFieldNo;
frameTimestamp.FrameNumber = correctedFieldNo;
attempts--;
}
attempts = 5;
expectedFieldNumber = frameTimestamp.FirstField.FieldNumber + 1;
while (expectedFieldNumber != frameTimestamp.SecondField.FieldNumber && attempts > 0)
{
// Problem with first frame number
long correctedFieldNo = CorrectField(expectedFieldNumber, frameTimestamp.SecondField.FieldNumber);
frameTimestamp.SecondField.FieldNumber = correctedFieldNo;
attempts--;
}
#endregion
#region TimeStamp Corrections
long expectedTicks = lastTimeStamp.SecondField.TimeStamp.Ticks + FIELD_LENGTH_IN_TICKS;
while (Math.Abs(new TimeSpan(frameTimestamp.FirstField.TimeStamp.Ticks - expectedTicks).TotalMilliseconds) > 1)
{
// Correct the timestamp of the first field
long correctedTicks = CorrectTimeStamp(expectedTicks, frameTimestamp.FirstField.TimeStamp.Ticks);
frameTimestamp.FirstField.TimeStamp = new DateTime(correctedTicks);
}
#endregion
frameTimestamp.ReCalculate();
lastTimeStamp = frameTimestamp;
return suggestedTimeStampTestResult;
}
internal override void Reset(StateContext context)
{
lastGoodTimeStamp = null;
secondLastGoodTimeStamp = null;
attempts = 0;
}
internal override void Reset(StateContext context)
{
lastTimeStamp = context.LastTimeStamp;
correctedChars.Clear();
}
internal abstract TestFrameResult TestTimeStamp(StateContext context, OsdFrameInfo frameTimestamp);
