hxsm2.h
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上传日期:2007-06-06
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- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #ifndef _HXSM2_H_
- #define _HXSM2_H_
- #include "hxtypes.h"
- #include "hxcom.h"
- #include "hxsmbw.h"
- #include "hxslist.h"
- #include "ihxpckts.h"
- class HXSM2 : public IHXBandwidthManager
- {
- public:
- HXSM2();
- ~HXSM2();
- STDMETHOD (QueryInterface ) (THIS_ REFIID ID, void** ppInterfaceObj);
- STDMETHOD_(UINT32, AddRef ) (THIS);
- STDMETHOD_(UINT32, Release) (THIS);
- /*
- * IHXBandwidthManager methods
- */
- STDMETHOD(RegisterSource)(THIS_
- HXSource* pSource,
- IUnknown* pUnknown);
- STDMETHOD(RegisterSourcesDone) (THIS);
-
- STDMETHOD_(BOOL, NotEnoughBandwidth)(THIS);
- STDMETHOD(UnRegisterSource) (THIS_
- HXSource* pSource);
- /* If the source has enough data, it may tell the bandwidth
- * manager to cut down on accelerated buffering.
- */
- STDMETHOD(ChangeAccelerationStatus) (THIS_
- HXSource* pSource,
- BOOL bMayBeAccelerated,
- BOOL bUseAccelerationFactor,
- UINT32 ulAccelerationFactor);
- /* Called by HXPlayer at end of each presentation */
- STDMETHOD(PresentationDone) (THIS);
-
- STDMETHOD(ChangeBW) (THIS_
- UINT32 newBW, HXSource* pSource);
- private:
- UINT32 GetStreamCount();
- void Recalc();
- UINT32 m_lRefCount;
- UINT32 m_ulNumSources;
- CHXSimpleList* m_pASMSourceInfo;
- UINT32 m_ulNumStreams;
- UINT32 m_ulOfferToRecalc;
- UINT32 m_ulSelectionBitRate;
- UINT32 m_ulMaxAccelBitRate;
- UINT32 m_ulSustainableBitRate;
- IHXValues* m_pSubscriptionVariables;
- BOOL m_bCheckOnDemandBw;
- };
- #endif /* _HXSM2_H_ */