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Webcam BasicPerf base (Manual)

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This test verifies that the webcam latency meets the requirements detailed below.

Test details

Associated requirements

Device.Streaming.Webcam.Base.AVStreamWDMAndInterfaceRequirements Device.Streaming.Webcam.Base.BasicPerf Device.Streaming.Webcam.Base.DirectShowAndMediaFoundation Device.Streaming.Webcam.Base.KSCategoryVideoCameraRegistration Device.Streaming.Webcam.Base.MultipleClientAppSupport Device.Streaming.Webcam.Base.ReportingCameraLocation Device.Streaming.Webcam.Base.SurpriseRemoval Device.Streaming.Webcam.Base.UsageIndicator Device.Streaming.Webcam.Base.WindowsCaputureInfrastructureCameraSupport Device.Streaming.Webcam.H264.H264Support

See the device hardware requirements.

Platforms

Windows RT (ARM-based) Windows 8 (x64) Windows 8 (x86) Windows RT 8.1 Windows 8.1 x64 Windows 8.1 x86

Expected run time

~2 minutes

Categories

Certification Reliability

Type

Manual

 

Running the test

Before you run the test, complete the test setup as described in the test requirements: Webcam Testing Prerequisites.

During the test, a command prompt window appears on the test computer. You must respond to the prompts displayed. During the test, you must point the webcam at the screen. The test succeeds if the webcam captures an image on screen within the acceptable latency period.

For internal cameras:

  • A mirror should reflect the monitor to the internal camera.

  • A speaker must be close to the camera microphone.

For external cameras:

  • The external camera needs to be pointed to the monitor.

  • A speaker must be close to the camera microphone.

Note  

It is acceptable to attach a HDMI Audio playback endpoint for this test; however, the test does not explicitly test for this condition.

 

Troubleshooting

For troubleshooting information, see Troubleshooting Device.Streaming Testing.

If this test fails, review the test log from Windows Hardware Certification Kit (Windows HCK) Studio.

More information

Parameters

Parameter Description

WDKDeviceID

Specifies the Plug and Play (PnP) ID of the device to be tested.

Example: \\?\root#media#0001#{65e8773d-8f56-11d0-a3b9-00a0c9223196}\global

 

Command syntax

Command option Description

MFMessenger.exe -m color -h “[WDKDeviceID]”

Runs the test.

 

File list

File Location

MFMessenger.exe

<testbinroot>\nttest\multimediatest\Performance\MFMessenger\

audiostreaming.dll

<testbinroot>\nttest\multimediatest\avcore\audio\bin\

 

 

 

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