WMEncProfile2.VBRMode

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The VBRMode property specifies and retrieves the variable bit rate (VBR) mode of the current profile.

Syntax

WMEncProfile2.VBRMode(enumSrcType, iRenderSiteIndex) = WMENC_PROFILE_VBR_MODE 
WMENC_PROFILE_VBR_MODE = WMEncProfile2.VBRMode(enumSrcType, iRenderSiteIndex)

Parameters

enumSrcType

[in]  Member of a WMENC_SOURCE_TYPE enumeration type identifying the media stream type.

iRenderSiteIndex

[in]  Integer containing the audience stream index. Because an audience can only contain one stream of each type, iRenderSiteIndex must be 0.

Property Value

A member of the WMENC_PROFILE_VBR_MODE enumeration type that indicates the VBR mode.

Remarks

When you want your encoded content to be compatible with Windows Media version 8 and earlier (for example, if you think the majority of your users have Windows Media Player 7.1), the only valid VBR mode is none (constant bit rate (CBR)).

Example Code

' Create a WMEncProfile2 object.
  Dim Pro As WMEncProfile2
  Set Pro = New WMEncProfile2

' Load a custom profile. REPLACE THE FILE NAME.
  Pro.LoadFromFile "C:\Profiles\CustomProfile.prx"

' Retrieves a string indicating the audio VBR mode.
  Dim sAudMode As String
  Select Case Pro.VBRMode(WMENC_AUDIO, 0):
    Case 1: sAudMode = "None - CBR"
    Case 2: sAudMode = "Bitrate VBR - Peak"
    Case 3: sAudMode = "Quality VBR"
    Case 4: sAudMode = "Bitrate VBR"
  End Select

Requirements

Reference: Windows Media Encoder

Library: wmenc.exe

See Also