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
Remarks
This attribute is set on media samples created by a media source for a capture device. This attribute's value is in the MFTIME domain, sharing an epoch with query performance counter (QPC) time and always expressed in 100ns units. This attribute is available for MFTs inserted into the capture pipeline.
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
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows 7 [desktop apps only] |
| Minimum supported server |
Windows Server 2008 R2 [desktop apps only] |
| Header |
|
See also