編集

次の方法で共有


MF_DEVSOURCE_ATTRIBUTE_SOURCE_TYPE attribute

Specifies a device's type, such as audio capture or video capture.

Data type

GUID

The following values are defined for this attribute:

Value Meaning
MF_DEVSOURCE_ATTRIBUTE_SOURCE_TYPE_AUDCAP_GUID
Audio capture device.
MF_DEVSOURCE_ATTRIBUTE_SOURCE_TYPE_VIDCAP_GUID
Video capture device.

 

Get/set

To get this attribute, call IMFAttributes::GetGUID.

To set this attribute, call IMFAttributes::SetGUID.

Remarks

Use this attribute as input to the following functions:

In addition, this attribute is set on the activation objects returned by the MFEnumDeviceSources function.

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
Mfidl.h

See also

Alphabetical List of Media Foundation Attributes

Audio/Video Capture

Capture Device Attributes