public DialogResult CheckAavRate(VideoFileFormat videoFileFormat)
{
int totalIntegratedFrames = 0;
m_VideoController.SetPictureBoxCursor(Cursors.WaitCursor);
m_VideoController.NotifyFileProgress(-1, m_EndTimeFrame - m_StartTimeFrame);
try
{
for (int i = m_StartTimeFrame; i < m_EndTimeFrame; i++)
{
FrameStateData frameState = m_VideoController.GetFrameStateData(i);
totalIntegratedFrames += frameState.NumberIntegratedFrames.Value;
m_VideoController.NotifyFileProgress(i, m_EndTimeFrame - m_StartTimeFrame);
}
}
finally
{
m_VideoController.NotifyFileProgress(-1, 0);
m_VideoController.SetPictureBoxCursor(Cursors.Default);
}
// The actual integration could even be of PAL or NTSC frames
TimeSpan ts = new TimeSpan(Math.Abs(m_EndFrameTime.Ticks - m_StartFrameTime.Ticks) /*Taking ABS to handle backwards measuring*/);
double videoTimeInSecPAL = totalIntegratedFrames / 25.0;
double videoTimeInSecNTSC = totalIntegratedFrames / 29.97;
double timeDiscrepancy_PAL = Math.Abs((videoTimeInSecPAL - ts.TotalSeconds) * 1000);
bool isTimeOk_PAL = (videoTimeInSecPAL > 0 && timeDiscrepancy_PAL < TangraConfig.Settings.Special.MaxAllowedTimestampShiftInMilliSecs);;
double timeDiscrepancy_NTSC = Math.Abs((videoTimeInSecNTSC - ts.TotalSeconds) * 1000);
bool isTimeOk_NTSC = (videoTimeInSecNTSC > 0 && timeDiscrepancy_NTSC < TangraConfig.Settings.Special.MaxAllowedTimestampShiftInMilliSecs);
bool isTimeOk = isTimeOk_NTSC || isTimeOk_PAL;
double timeDiscrepancy = Math.Min(timeDiscrepancy_PAL, timeDiscrepancy_NTSC);
if (!isTimeOk)
{
if (MessageBox.Show(
string.Format(
"The time computed from the measured number of frames in this AAV video is off by {0} ms from the entered time. This may indicate " +
"incorrectly entered start or end time or an almanac update or a leap second event. Please enter the start and end times again. The export operation can " +
"only continute if the times match exactly.",
timeDiscrepancy.ToString("0.00")),
"Error",
MessageBoxButtons.RetryCancel, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1) == DialogResult.Retry)
{
return(DialogResult.Retry);
}
return(DialogResult.Abort);
}
return(DialogResult.OK);
}
public DialogResult CheckAavRate()
{
int totalIntegratedFrames = 0;
for (int i = m_StartTimeFrame; i < m_EndTimeFrame; i++)
{
FrameStateData frameState = m_VideoController.GetFrameStateData(i);
totalIntegratedFrames += frameState.NumberIntegratedFrames.Value;
}
// The actual integration could even be of PAL or NTSC frames
TimeSpan ts = new TimeSpan(Math.Abs(m_EndFrameTime.Ticks - m_StartFrameTime.Ticks) /*Taking ABS to handle backwards measuring*/);
double videoTimeInSecPAL = totalIntegratedFrames / 25.0;
double videoTimeInSecNTSC = totalIntegratedFrames / 29.97;
bool isTimeOk =
(videoTimeInSecPAL > 0 && Math.Abs((videoTimeInSecPAL - ts.TotalSeconds) * 1000) < TangraConfig.Settings.Special.MaxAllowedTimestampShiftInMs) ||
(videoTimeInSecNTSC > 0 && Math.Abs((videoTimeInSecNTSC - ts.TotalSeconds) * 1000) < TangraConfig.Settings.Special.MaxAllowedTimestampShiftInMs);
if (!isTimeOk)
{
if (MessageBox.Show(
string.Format(
"The time computed from the measured number of frames in this AAV video is off by more than {0} ms from the entered time. This may indicate " +
"incorrectly entered start or end time or an almanac update or a leap second event. Please enter the start and end times again. The export operation can " +
"only continute if the times match exactly.",
(TangraConfig.Settings.Special.MaxAllowedTimestampShiftInMs).ToString("0.00")),
"Error",
MessageBoxButtons.RetryCancel, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1) == DialogResult.Retry)
{
return(DialogResult.Retry);
}
return(DialogResult.Abort);
}
return(DialogResult.OK);
}
public FlyByMotionFitter.FrameTimeInfo GetFrameTimeInfo(int frameId)
{
if (m_VideoController.IsAstroAnalogueVideo && m_VideoController.HasTimestampOCR())
{
var exposure = m_VideoController.AstroAnalogueVideoIntegratedAAVFrames * m_VideoController.FramePlayer.Video.MillisecondsPerFrame;
var timestamp = m_VideoController.OCRTimestamp();
if (timestamp != DateTime.MinValue)
{
timestamp = AstrometryContext.Current.FieldSolveContext.UtcTime.Date.Add(timestamp.TimeOfDay);
timestamp = timestamp.AddMilliseconds(0.5 * exposure);
var nativeFormat = m_VideoController.GetVideoFormat(m_VideoController.GetVideoFileFormat());
if (nativeFormat == "PAL")
{
timestamp = timestamp.AddMilliseconds(-20);
}
else if (nativeFormat == "NTSC")
{
timestamp = timestamp.AddMilliseconds(-16.68);
}
}
return(new FlyByMotionFitter.FrameTimeInfo()
{
CentralExposureTime = timestamp,
ExposureInMilliseconds = exposure
});
}
var frameStateInfo = m_VideoController.GetFrameStateData(frameId);
return(new FlyByMotionFitter.FrameTimeInfo()
{
CentralExposureTime = frameStateInfo.CentralExposureTime,
ExposureInMilliseconds = frameStateInfo.ExposureInMilliseconds
});
}