MFSampleExtension_DeviceTimestamp attribute
Contains the time stamp from the device driver.
Data type
UINT64
Get/set
To get this attribute, call IMFAttributes::GetUINT64.
To set this attribute, call IMFAttributes::SetUINT64.
Applies to
IMFSampleRemarks
This attribute is set on media samples created by a media source for a capture device. The value of the attribute is the time stamp generated by the driver. This time stamp is correlated with the system time from the query performance counter (QPC).
To get the time stamp relative to the start of streaming, call the IMFSample::GetSampleTime method.
The GUID constant for this attribute is exported from mfuuid.lib.
Requirements
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Minimum supported client | Windows 7 [desktop apps only] |
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Minimum supported server | Windows Server 2008 R2 [desktop apps only] |
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Header |
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See also
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Build date: 11/28/2012
