External Device Transport Property Set
[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 It has been superseded by MediaPlayer, IMFMediaEngine, and Audio/Video Capture in Media Foundation.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 set controls the transport of data to and from an external device. In most cases, applications should not use this property set directly. Use the IAMExtTransport interface instead.
The following table lists the properties that are relevant to user-mode applications. For a complete description of this property set, refer to the Microsoft Windows Driver Development Kit DDK.
| Label | Value |
|---|---|
| Property Set GUID | PROPSETID_EXT_TRANSPORT |
| Property ID | Description |
|---|---|
| KSPROPERTY_EXTXPORT_ATN_SEARCH | Searches for an absolute track number (ATN). |
| KSPROPERTY_EXTXPORT_TIMECODE_SEARCH | Searches for a time code. |
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