COM Objects > WMA object > Methods > EncodeFormats.WMA.GetEncodingVBRQualitiesCountEx method

Remarks

Retrieves the number of encoding qualities (for Variable Bit Rate support) supported by Windows Media components for a given frequency and number of channels.

Each of the supported qualities can be obtained at a later time using the EncodeFormats.WMA.GetEncodingVBRQualityEx method.

For further details about encoding in WMA format refer to the WMA object section.

For further information about available encoding formats see the EncodeFormats object.

Syntax

[Visual Basic]

control.EncodeFormats.WMA.GetEncodingVBRQualitiesCountEx (

nFrequency as Long,

nChannels as Integer

) as integer

[C++]

short control.EncodeFormats.WMA.GetEncodingVBRQualitiesCountEx (

long nFrequency,

short nChannels

);

Parameter	Description

nFrequency	Frequency expressed in Hertz (e.g. 44100)
nChannels	Number of channels: 1 for Mono, 2 for Stereo

Return value

Value	Meaning

Negative value	An error occurred. Check the LastError property value in order to see the last error.
> 0	The number of supported encoding Variable Bit Rate qualities.