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MFPKEY_WMADEC_SPKRCFG Property

Specifies the speaker configuration on the client computer.

Constant for IPropertyBag

g_wszWMACSpeakerConfig

Data Type

VT_UI4

Default Value

No specific speaker configuration is assumed.

Remarks

You should set this value to one of the constants or values in the following table. The constants are defined in Microsoft DirectSound, and are listed here for convenience. To resolve these constant names for your compiler, you must include dsound.h.

ConstantValueDescription
DSSPEAKER_DIRECTOUT0x00000000The audio is passed through directly, without being configured for speakers.
DSSPEAKER_HEADPHONE0x00000001The client computer is equipped with headphones.
DSSPEAKER_MONO0x00000002The client computer is equipped with a monoaural speaker.
DSSPEAKER_QUAD0x00000003The client computer is equipped with quadraphonic speakers.
DSSPEAKER_STEREO0x00000004The client computer is equipped with stereo speakers.
DSSPEAKER_SURROUND0x00000005The client computer is equipped with four-channel surround-sound speakers.
DSSPEAKER_5POINT10x00000006The client computer is equipped with five speakers and a subwoofer.
DSSPEAKER_7POINT10x00000007The client computer is equipped with seven speakers and a subwoofer.

 

The value set for this property determines the output formats enumerated by the codec for multichannel audio.

Requirements

Minimum supported client

Windows XP [desktop apps only]

Minimum supported server

Windows Server 2003 [desktop apps only]

Header

Wmcodecdsp.h

See also

Media Foundation Properties

 

 

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