KSPROPERTY_EXTXPORT_ATN_SEARCH
[The feature associated with this page, DirectShow, is a legacy feature. It has been superseded by MediaPlayer, IMFMediaEngine, and Audio/Video Capture in Media Foundation. Those features have been optimized for Windows 10 and Windows 11. Microsoft strongly recommends that new code use MediaPlayer, IMFMediaEngine and Audio/Video Capture in Media Foundation instead of DirectShow, when possible. Microsoft suggests that existing code that uses the legacy APIs be rewritten to use the new APIs if possible.]
This property sends a command to the device to search for an absolute track number (ATN). The UVC device driver supports this property.
| Label | Value |
|---|---|
| Property Set GUID | PROPSETID_EXT_TRANSPORT |
| Property ID | KSPROPERTY_EXTXPORT_ATN_SEARCH |
| Data Type | KSPROPERTY_EXTXPORT_S structure |
Remarks
Set the dwAbsTrackNumber member of the KSPROPERTY_EXTXPORT_S structure to the following value:
(absolute track number << 1) + continuity bit
The UVC specification does not define how the device uses the continuity bit. The KSPROPERTY_EXTXPORT_S structure is described in the Windows DDK.
See also
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