private FrameStateData AdvFrameInfoToFrameStateData(AdvFrameInfo frameInfo, int frameIndex)
{
if (frameInfo != null)
{
var rv = new FrameStateData();
rv.VideoCameraFrameId = frameInfo.VideoCameraFrameId;
rv.CentralExposureTime = frameInfo.MiddleExposureTimeStamp;
rv.SystemTime = frameInfo.SystemTime;
rv.EndFrameNtpTime = frameInfo.EndExposureNtpTimeStamp;
rv.NtpTimeStampError = frameInfo.NtpTimeStampError;
rv.ExposureInMilliseconds = frameInfo.Exposure10thMs / 10.0f;
rv.NumberIntegratedFrames = (int)frameInfo.IntegratedFrames;
int almanacStatus = frameInfo.GPSAlmanacStatus;
int almanacOffset = frameInfo.GetSignedAlamancOffset();
if (!frameInfo.AlmanacStatusIsGood && frameInfo.AlmanacStatusIsGood)
{
// When the current almanac is not good, but last frame is, then apply the known almanac offset automatically
almanacOffset = frameInfo.GPSAlmanacOffset;
rv.CentralExposureTime = rv.CentralExposureTime.AddSeconds(frameInfo.GPSAlmanacOffset);
almanacStatus = 2; // Certain
}
rv.Gain = frameInfo.Gain;
rv.Gamma = frameInfo.Gamma;
rv.Temperature = frameInfo.Temperature;
rv.Offset = frameInfo.Offset;
rv.NumberSatellites = frameInfo.GPSTrackedSattelites;
rv.AlmanacStatus = AdvStatusValuesHelper.TranslateGpsAlmanacStatus(almanacStatus);
rv.AlmanacOffset = AdvStatusValuesHelper.TranslateGpsAlmanacOffset(almanacStatus, almanacOffset, almanacStatus > 0);
rv.GPSFixStatus = frameInfo.GPSFixStatus.ToString("#");
rv.Messages = string.Empty;
if (frameInfo.SystemErrorString != null)
{
rv.Messages = string.Concat(rv.Messages, frameInfo.SystemErrorString, "\r\n");
}
if (frameInfo.UserCommandString != null)
{
rv.Messages = string.Concat(rv.Messages, frameInfo.UserCommandString, "\r\n");
}
if (frameInfo.GPSFixString != null)
{
rv.Messages = string.Concat(rv.Messages, frameInfo.GPSFixString, "\r\n");
}
if (m_UseNtpTimeAsCentralExposureTime)
{
rv.CentralExposureTime = ComputeCentralExposureTimeFromNtpTime(frameIndex, frameInfo.EndExposureNtpTimeStamp);
}
if (m_FrameRate > 0)
{
rv.ExposureInMilliseconds = (float)(1000 / m_FrameRate);
}
if (m_UsesNtpTimestamps && !OcrDataAvailable && m_UseNtpTimeAsCentralExposureTime)
{
AddExtraNtpDebugTimes(ref rv, frameInfo);
}
return(rv);
}
else
{
return(new FrameStateData());
}
}
private AstroDigitalVideoStream(string fileName, ref AdvFileMetadataInfo fileMetadataInfo, ref GeoLocationInfo geoLocation)
{
CheckAdvFileFormat(fileName, ref fileMetadataInfo, ref geoLocation);
m_FileName = fileName;
var fileInfo = new AdvFileInfo();
TangraCore.ADVOpenFile(fileName, ref fileInfo);
m_FirstFrame = 0;
m_CountFrames = fileInfo.CountFrames;
m_BitPix = fileInfo.Bpp;
m_Width = fileInfo.Width;
m_Height = fileInfo.Height;
m_Aav16NormVal = fileInfo.Aav16NormVal;
m_FrameRate = fileInfo.FrameRate;
// Get the last frame in the video and read the Almanac Offset and Almanac Status so they are applied
// to the frames that didn't have Almanac Status = Updated
if (m_CountFrames > 0)
{
GetPixelmap(m_FirstFrame + m_CountFrames - 1);
m_AlamanacOffsetLastFrameIsGood = m_CurrentFrameInfo.AlmanacStatusIsGood;
m_AlmanacOffsetLastFrame = m_CurrentFrameInfo.GetSignedAlamancOffset();
}
else
{
m_AlamanacOffsetLastFrameIsGood = false;
m_AlmanacOffsetLastFrame = 0;
}
m_Engine = fileMetadataInfo.Engine;
m_CameraModel = fileMetadataInfo.Camera;
m_UsesNtpTimestamps = fileMetadataInfo.HasNTPTimeStamps;
if (m_Engine == "AAV")
{
m_VideoStandard = GetFileTag("NATIVE-VIDEO-STANDARD");
double.TryParse(GetFileTag("NATIVE-FRAME-RATE"), out m_NativeFrameRate);
int.TryParse(GetFileTag("OSD-FIRST-LINE"), out m_OsdFirstLine);
int.TryParse(GetFileTag("OSD-LAST-LINE"), out m_OsdLastLine);
if (m_OsdLastLine > m_Height)
{
m_OsdLastLine = m_Height;
}
if (m_OsdFirstLine < 0)
{
m_OsdFirstLine = 0;
}
m_IntegratedAAVFrames = -1;
if (double.TryParse(GetFileTag("EFFECTIVE-FRAME-RATE"), out m_EffectiveFrameRate) && m_NativeFrameRate != 0)
{
m_IntegratedAAVFrames = (int)Math.Round(m_NativeFrameRate / m_EffectiveFrameRate);
}
int.TryParse(GetFileTag("FRAME-STACKING-RATE"), out m_StackingRate);
if (m_StackingRate == 1)
{
m_StackingRate = 0; // Video stacked at x1 is a non-stacked video
}
}
else
{
m_OsdFirstLine = 0;
m_OsdLastLine = 0;
}
m_OcrDataAvailable = null;
}