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KSDS3D_BUFFER_ALL structure (ksmedia.h)

  • Article

The KSDS3D_BUFFER_ALL structure specifies all the 3D characteristics of a DirectSound 3D buffer.

Syntax

typedef struct {
  DS3DVECTOR Position;
  DS3DVECTOR Velocity;
  ULONG      InsideConeAngle;
  ULONG      OutsideConeAngle;
  DS3DVECTOR ConeOrientation;
  LONG       ConeOutsideVolume;
  FLOAT      MinDistance;
  FLOAT      MaxDistance;
  ULONG      Mode;
} KSDS3D_BUFFER_ALL, *PKSDS3D_BUFFER_ALL;

Members

Position

Specifies the x, y, and z position coordinates of the 3D sound buffer. This member is a structure of type DS3DVECTOR.

Velocity

Specifies the x, y, and z velocity components of the 3D sound buffer. This member is a structure of type DS3DVECTOR.

InsideConeAngle

Specifies the angle in degrees of the inside sound projection cone.

OutsideConeAngle

Specifies the angle in degrees of the outside sound projection cone.

ConeOrientation

Specifies the x, y, and z components of the orientation of the 3D buffer's sound projection cone. This member is a structure of type DS3DVECTOR.

ConeOutsideVolume

Specifies the cone outside volume.

MinDistance

Specifies the minimum distance between the speaker and listener. (See the discussion of minimum and maximum distances for DirectSound 3D buffers in the Microsoft Windows SDK documentation.)

MaxDistance

Specifies the maximum distance between the speaker and listener.

Mode

Specifies the 3D sound-processing mode. This can be one of the following values from the header file Dsound.h:

  • DS3DMODE_DISABLE
  • DS3DMODE_HEADRELATIVE
  • DS3DMODE_NORMAL
For the meaning of these parameters, see the description of the dwMode member of the DS3DBUFFER structure in the Microsoft Windows SDK documentation.

Remarks

This structure is used to set or get the data value for the KSPROPERTY_DIRECTSOUND3DBUFFER_ALL property. DirectSound uses this property to implement the IDirectSound3DBuffer::GetAllParameters and IDirectSound3DBuffer::SetAllParameters methods, which are described in the Windows SDK documentation.

The members of this structure are similar to those defined for the DS3DBUFFER structure in the Windows SDK documentation.

Requirements

Requirement Value
Header ksmedia.h (include Ksmedia.h)

See also

DS3DVECTOR

KSPROPERTY_DIRECTSOUND3DBUFFER_ALL