IMFASFStreamSelector::GetBandwidthStepCount method (wmcontainer.h)

Article
02/22/2024

Retrieves the number of bandwidth steps that exist for the content. This method is used for multiple bit rate (MBR) content.

Syntax

HRESULT GetBandwidthStepCount(
  [out] DWORD *pcStepCount
);

Parameters

[out] pcStepCount

Receives the number of bandwidth steps.

Return value

The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.

Return code	Description
S_OK	The method succeeded.

Remarks

Bandwidth steps are bandwidth levels used for multiple bit rate (MBR) content. If you stream MBR content, you can choose the bandwidth step that matches the network conditions to avoid interruptions during playback.

Requirements

Requirement	Value
Minimum supported client	Windows Vista [desktop apps only]
Minimum supported server	Windows Server 2008 [desktop apps only]
Target Platform	Windows
Header	wmcontainer.h
Library	Mfuuid.lib