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Receives a quality-control notification and provides an opportunity to alter the quality of the media stream.
Syntax
virtual HRESULT AlterQuality( Quality q ); |
Parameters
- q
-
Quality-control notification message.
Return Value
This member function returns E_FAIL by default.
Remarks
This member function overrides the CTransformFilter::AlterQualitymember function.
It is called by the CTransformOutputPin::Notifymember function before calling the CBaseInputPin::PassNotifymember function to pass the quality control message upstream.
This function sets the m_itrLatedata member to the value Qualitystructure's Latemember so the filter can determine whether to skip frames.
It returns E_FAIL so that the renderer downstream will continue to handle quality control.
Requirements
Windows Embedded CE | Windows CE 2.12 and later |
Note | Microsoft DirectShow applications and DirectShow filters have
different include file and Library requirements
For more information, see Setting Up the Build Environment,Version 2.12 requires DXPAK 1.0 or later |
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