//
// Translate White Balance into a "current value".
//
ULONG
CHardwareSimulation::
GetCurrentWhiteBalance()
{
PAGED_CODE();
ISP_FRAME_SETTINGS *pSettings = GetIspSettings();
ULONG Value = 0;
if( pSettings->WhiteBalanceMode & KSCAMERA_EXTENDEDPROP_VIDEOPROCFLAG_AUTO )
{
Value = (ULONG) GetRandom( pSettings->WhiteBalanceSetting.Min, pSettings->WhiteBalanceSetting.Max );
}
if( pSettings->WhiteBalanceMode & KSCAMERA_EXTENDEDPROP_VIDEOPROCFLAG_MANUAL )
{
Value = pSettings->WhiteBalanceSetting.VideoProc.Value.ul;
}
// Locked just reports the last value set...
if( pSettings->WhiteBalanceMode & KSCAMERA_EXTENDEDPROP_VIDEOPROCFLAG_LOCK )
{
Value = m_LastReportedWhiteBalance;
}
m_LastReportedWhiteBalance= Value;
return Value;
}
BOOLEAN
CImageHardwareSimulation::
IsPhotoConfirmationNeeded()
/*++
Routine Description:
Check flags for photo confirmation and return
whether driver should issue confirmation.
--*/
{
PAGED_CODE();
ISP_FRAME_SETTINGS *pSettings = GetIspSettings();
return pSettings ? pSettings->bPhotoConfirmation : FALSE;
}
//
// Translate Exposure Mode to an Exif Exposure Program value
//
USHORT
CHardwareSimulation::
GetExposureProgram()
{
PAGED_CODE();
ISP_FRAME_SETTINGS *pSettings = GetIspSettings();
USHORT Value = 0; // Undefined.
if( pSettings->ExposureMode & KSCAMERA_EXTENDEDPROP_VIDEOPROCFLAG_MANUAL )
{
Value = 1; // Manual
}
if( pSettings->ExposureMode & KSCAMERA_EXTENDEDPROP_VIDEOPROCFLAG_AUTO )
{
Value = 2; // Normal
}
// TODO: Extend SceneMode to ISP settings so I can use it here to capture Portrait mode, etc.
return Value;
}
//
// Translate Exposure settings into a "current value".
//
LONGLONG
CHardwareSimulation::
GetCurrentExposureTime()
{
PAGED_CODE();
ISP_FRAME_SETTINGS *pSettings = GetIspSettings();
LONGLONG Value = 0;
LPCSTR Mode = "[UNKNOWN]";
if( pSettings->ExposureMode & KSCAMERA_EXTENDEDPROP_VIDEOPROCFLAG_AUTO )
{
// Get random value in global setting's bound (LONG)
// I'm abandoning the reported min/max and using something more reasonable.
Value = GetRandom( MIN_EXPOSURE_TIME*5, DEF_EXPOSURE_TIME*5 );
Mode = "KSCAMERA_EXTENDEDPROP_VIDEOPROCFLAG_AUTO";
}
if( pSettings->ExposureMode & KSCAMERA_EXTENDEDPROP_VIDEOPROCFLAG_MANUAL )
{
Value = pSettings->ExposureSetting.VideoProc.Value.ll;
Mode = "KSCAMERA_EXTENDEDPROP_VIDEOPROCFLAG_MANUAL";
}
// Locked just reports the last value set...
if( pSettings->ExposureMode & KSCAMERA_EXTENDEDPROP_VIDEOPROCFLAG_LOCK )
{
Value = m_LastReportedExposureTime;
Mode = "KSCAMERA_EXTENDEDPROP_VIDEOPROCFLAG_LOCK";
}
DBG_TRACE("ExposureMode=0x%016llX (%s), Time=%llu00ns, LastReported=%llu00ns",
pSettings->ExposureMode, Mode, Value, m_LastReportedExposureTime );
m_LastReportedExposureTime = Value;
return Value;
}
//
// Translate ISO settings into a "current value".
//
ULONG
CHardwareSimulation::
GetCurrentISOSpeed()
{
PAGED_CODE();
ISP_FRAME_SETTINGS *pSettings = GetIspSettings();
ULONG Value = 0;
if( pSettings->ISOMode & KSCAMERA_EXTENDEDPROP_ISO_AUTO )
{
Value = GetRandom( (ULONG) 50, (ULONG) 3200 );
}
else if( pSettings->ISOMode & KSCAMERA_EXTENDEDPROP_ISO_MANUAL )
{
Value = pSettings->ISOValue;
}
else
{
Value = // Try converting any legacy presets to a manual value.
IsoPreset2Value( pSettings->ISOMode );
}
return Value;
}
//
// Helper function that collects current settings into our metadata structure.
//
METADATA_IMAGEAGGREGATION
CImageHardwareSimulation::
GetMetadata()
{
PAGED_CODE();
METADATA_IMAGEAGGREGATION Metadata;
ISP_FRAME_SETTINGS *pSettings = GetIspSettings();
// Wipe the metadata so all settings will default to "Not Set".
RtlZeroMemory( &Metadata, sizeof(Metadata) );
// Identify the current PFS frame number.
// If PFS not active, then this item is not present.
Metadata.FrameId.Set = IsPfsActive();
Metadata.FrameId.Value = (ULONG) m_PfsFrameNumber;
DBG_TRACE("Metadata.FrameId.Set=%s, Metadata.FrameId.Value=%d",
(Metadata.FrameId.Set?"Yes":"No"), Metadata.FrameId.Value);
// Just reflect the exposure time from the setting.
//Metadata.ExposureTime.Set = TRUE;
//Metadata.ExposureTime.Value = GetCurrentExposureTime();
// Just reflect the ISO Speed from the setting.
Metadata.ISOSpeed = CMetadataLong(GetCurrentISOSpeed());
DBG_TRACE("ISO=%d, ISO Flags=0x%016llX", Metadata.ISOSpeed.Value, pSettings->ISOMode);
// TODO: Do we need to bracket this by whether or not a flash has been taken?
// Report the current flash mode.
Metadata.FlashOn = CMetadataLong((ULONG) pSettings->FlashMode);
// Report the current flash power.
Metadata.FlashPower = CMetadataLong(pSettings->FlashValue);
// Set the White Balance lock state.
Metadata.WhiteBalanceLocked = CMetadataLong(
( (pSettings->WhiteBalanceMode & KSCAMERA_EXTENDEDPROP_VIDEOPROCFLAG_LOCK)
== KSCAMERA_EXTENDEDPROP_VIDEOPROCFLAG_LOCK) );
// Set the Exposure lock state.
Metadata.ExposureLocked = CMetadataLong(
( (pSettings->ExposureMode & KSCAMERA_EXTENDEDPROP_VIDEOPROCFLAG_LOCK)
== KSCAMERA_EXTENDEDPROP_VIDEOPROCFLAG_LOCK) );
Metadata.ExposureTime =
//CMetadataRational(GetCurrentExposureTime(), 10000000);
CMetadataLongLong( GetCurrentExposureTime() );
Metadata.LensPosition = CMetadataLong( pSettings->FocusSetting.VideoProc.Value.ul );
Metadata.SceneMode = CMetadataULongLong(KSCAMERA_EXTENDEDPROP_SCENEMODE_AUTO); //TODO: Need to fill in real value from CCaptureFilter::m_SceneMode
Metadata.WhiteBalanceMode = CMetadataLong((ULONG) pSettings->WhiteBalanceMode);
CExtendedVidProcSetting Zoom;
m_Sensor->GetZoom( &Zoom );
Metadata.ZoomFactor = CMetadataLong(Zoom.GetLONG()); //TODO: Fill in a real value from zoom simulation.
Metadata.FocusLocked = CMetadataLong(FALSE); //TODO: Fill in a real value when we complete the focus changes.
// Add EVCompensation metadata...
Metadata.EVCompensation = CMetadataEVCompensation(pSettings->EVCompensation.Mode, pSettings->EVCompensation.Value);
Metadata.Orientation = CMetadataShort(Metadata_Orientation_TopBottomLeftRight); //TODO: Randomize?
{
LARGE_INTEGER SystemTime;
LARGE_INTEGER LocalTime;
KeQuerySystemTimePrecise( &SystemTime );
ExSystemTimeToLocalTime( &SystemTime, &LocalTime );
RtlTimeToTimeFields( &LocalTime, &Metadata.LocalTime.Time );
Metadata.LocalTime.Set = TRUE;
}
Metadata.Make = CMetadataShortString("Make: Microsoft SOC Camera");
Metadata.Model = CMetadataShortString( "Model: AvsCam" );
Metadata.Software = CMetadataShortString( "Software: Microsoft Camera Sim" );
Metadata.ColorSpace.Set = TRUE;
Metadata.ColorSpace.Value = 0xFFFF; // 0xFFFF Means "uncalibrated". Use this value for all non-RGB formats.
Metadata.Gamma = CMetadataRational();
Metadata.MakerNote = CMetadataShortString( "Maker's Note..." );
// Just reflect the exposure time from the setting.
//Metadata.ExposureTime =
// CMetadataRational( GetCurrentExposureTime(), 1000 ); // report exposure time as milliseconds.
Metadata.FNumber = CMetadataRational(4); // Fake an FNumber of 4. // TODO: It looks like we might be able to calculate this.
Metadata.ExposureProgram.Set = TRUE;
Metadata.ExposureProgram.Value = GetExposureProgram();
Metadata.ShutterSpeedValue = CMetadataSRational(); // TODO: Calculate this from the ExposureTime. ***
Metadata.Aperture = CMetadataRational(4); // TODO: Calculate this from the F-Number. (We're currently faking the FNumber.)
Metadata.Brightness = CMetadataSRational(0); // TODO: Find a more reasonable brightness value.
Metadata.ExposureBias = CMetadataSRational(0); // TODO: More reasonable?
Metadata.SubjectDistance = CMetadataRational(0xFFFFFFFF); // Distance in meters. Infinity. (Anything better?)
Metadata.MeteringMode.Set = TRUE;
Metadata.MeteringMode.Value = (USHORT) GetRandom( (ULONG) 1, (ULONG) 6); // Pick a number ... any number.
Metadata.LightSource.Set = TRUE;
Metadata.LightSource.Value = 1; // TODO: Pick a random value; but override when a flash occurs.
Metadata.Flash.Set = TRUE;
Metadata.Flash.Value = (UINT16) pSettings->FlashMode; // We assume that the flash fires when requested!
DBG_TRACE("FlashMode=0x%016llX, FlashPower=%d", pSettings->FlashMode, pSettings->FlashValue);
Metadata.FocalLength = CMetadataRational(); // TODO: Calculate?
Metadata.FocalPlaneXResolution = CMetadataRational(); // TODO: Calculate?
Metadata.FocalPlaneYResolution = CMetadataRational(); // TODO: Calculate?
Metadata.ExposureIndex = CMetadataRational(); // TODO: Calculate?
Metadata.ExposureMode.Set = TRUE;
Metadata.ExposureMode.Value = 0 ; // Assume Auto exposure.
if( pSettings->ExposureMode & KSCAMERA_EXTENDEDPROP_VIDEOPROCFLAG_MANUAL )
{
Metadata.ExposureMode.Value = 0 ; // Manual exposure.
}
Metadata.WhiteBalance.Set = TRUE;
Metadata.WhiteBalance.Value = 0 ; // Assume Auto white balance.
if( pSettings->WhiteBalanceMode & KSCAMERA_EXTENDEDPROP_VIDEOPROCFLAG_MANUAL )
{
Metadata.WhiteBalance.Value = 0 ; // Manual while balance.
}
Metadata.DigitalZoomRatio = CMetadataRational(1);
Metadata.FocalLengthIn35mmFilm = CMetadataShort(0);
Metadata.SceneCaptureType = CMetadataShort(0);
Metadata.GainControl = CMetadataRational();
Metadata.Contrast = CMetadataShort(0);
Metadata.Saturation = CMetadataShort(0);
Metadata.Sharpness = CMetadataShort(0);
Metadata.SubjectDistanceRange = CMetadataShort(0);
// Report (optional) focus state.
KSCAMERA_EXTENDEDPROP_FOCUSSTATE State = KSCAMERA_EXTENDEDPROP_FOCUSSTATE_UNINITIALIZED;
if( NT_SUCCESS(m_Sensor->GetFocusState( &State )) )
{
Metadata.FocusState = CMetadataLong((UINT32)State);
}
return Metadata;
}
