khronosfws/openmax_al/src/mediaplayer/xaprefetchstatusitf.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 03 May 2010 12:59:52 +0300
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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: 
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*
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*/
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#ifndef XAPREFETCHSTATUSITF_H_
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#define XAPREFETCHSTATUSITF_H_
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#include "openmaxalwrapper.h"
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#include "xaglobals.h"
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#ifdef _GSTREAMER_BACKEND_
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#include "XAMediaPlayerAdaptCtx.h"
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#endif
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#define PREFETCHSTATUSITF_DEFAULT_UPDATE_PERIOD 100
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/*
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 * implementation declaration
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 */
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typedef struct XAPrefetchStatusItfImpl_
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{
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    /* "inherit" interface */
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    struct XAPrefetchStatusItf_ itf;
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    /* pointer to self */
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    struct XAPrefetchStatusItfImpl_* self;
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    /* variables */
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    XAuint32 pStatus;
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    XApermille pLevel;
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    XAPrefetchStatusItf cbPtrToSelf;
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    xaPrefetchCallback  callback;
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    void                *cbcontext;
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    XAuint32            eventFlags;
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    XApermille          fillUpdatePeriod;
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#ifdef _GSTREAMER_BACKEND_
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    XAAdaptationBaseCtx* adaptationCtx;
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#endif
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}XAPrefetchStatusItfImpl;
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/**
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 * XAPrefetchStatusItf interface implementation
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 */
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XAresult XAPrefetchStatusItfImpl_GetPrefetchStatus(XAPrefetchStatusItf self,
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                                                     XAuint32 *pStatus);
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XAresult XAPrefetchStatusItfImpl_GetFillLevel(XAPrefetchStatusItf self,
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                                                XApermille *pLevel);
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XAresult XAPrefetchStatusItfImpl_RegisterCallback(XAPrefetchStatusItf self,
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                                                    xaPrefetchCallback callback,
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                                                    void *pContext);
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XAresult XAPrefetchStatusItfImpl_SetCallbackEventsMask(XAPrefetchStatusItf self,
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                                                         XAuint32 eventFlags);
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XAresult XAPrefetchStatusItfImpl_GetCallbackEventsMask(XAPrefetchStatusItf self,
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                                                         XAuint32 *pEventFlags);
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XAresult XAPrefetchStatusItfImpl_SetFillUpdatePeriod(XAPrefetchStatusItf self,
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                                                       XApermille period);
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XAresult XAPrefetchStatusItfImpl_GetFillUpdatePeriod(XAPrefetchStatusItf self,
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                                                       XApermille *pPeriod);
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#ifdef _GSTREAMER_BACKEND_
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/*
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 * implementation-specific methods
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 */
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XAPrefetchStatusItfImpl* XAPrefetchStatusItfImpl_Create( XAAdaptationBaseCtx* adaptationCtx);
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void XAPrefetchStatusItfImpl_AdaptCb( void *pHandlerCtx, XAAdaptEvent *event );
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#endif
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void XAPrefetchStatusItfImpl_Free(XAPrefetchStatusItfImpl* self);
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#endif /* XAPREFETCHSTATUSITF_H_ */