hxrasyn.h
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上传日期:2007-06-06
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文件大小:4k
- /* ***** 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 _HXRASYNC_H_
- #define _HXRASYNC_H_
- /*
- * Forward declarations of some interfaces defined or used here-in.
- */
- typedef _INTERFACE IUnknown IUnknown;
- typedef _INTERFACE IHXRealAudioSync IHXRealAudioSync;
- /****************************************************************************
- *
- * Interface:
- *
- * IHXRealAudioSync
- *
- * Purpose:
- *
- * This is a private interface used by RealAudio renderer to allow lip sync
- * with the RealVideo stream. It is exposed by IHXAudioStream
- *
- * IID_IHXRealAudioSync:
- *
- * {00000B00-b4c8-11d0-9995-00a0248da5f0}
- *
- */
- DEFINE_GUID(IID_IHXRealAudioSync, 0x00000B00, 0xb4c8, 0x11d0, 0x99, 0x95,
- 0x0, 0xa0, 0x24, 0x8d, 0xa5, 0xf0);
- #undef INTERFACE
- #define INTERFACE IHXRealAudioSync
- DECLARE_INTERFACE_(IHXRealAudioSync, IUnknown)
- {
- /*
- * IUnknown methods
- */
- STDMETHOD(QueryInterface) (THIS_
- REFIID riid,
- void** ppvObj) PURE;
- STDMETHOD_(ULONG32,AddRef) (THIS) PURE;
- STDMETHOD_(ULONG32,Release) (THIS) PURE;
-
- /*
- * IHXRealAudioSync methods
- */
- /************************************************************************
- * Method:
- * IHXRealAudioSync::Register
- * Purpose:
- */
- STDMETHOD(Register) (THIS) PURE;
- /************************************************************************
- * Method:
- * IHXRealAudioSync::UnRegister
- * Purpose:
- */
- STDMETHOD(UnRegister) (THIS) PURE;
- /************************************************************************
- * Method:
- * IHXRealAudioSync::FudgeTimestamp
- * Purpose:
- * Tell the audio stream about the relationship between the number
- * of bytes written to the actual timestamp.
- *
- */
- STDMETHOD(FudgeTimestamp) (THIS_
- UINT32 /*IN*/ ulNumberofBytes,
- UINT32 /*IN*/ ulTimestamp
- ) PURE;
- };
- #endif /*_HXRASYNC_H_*/