khronosfws/openmax_al/src/mediaplayer/xaprefetchstatusitf.c
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 16 Apr 2010 15:29:42 +0300
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permissions -rw-r--r--
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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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#include <stdio.h>
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#include <stdlib.h>
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#include <assert.h>
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#include "xaprefetchstatusitf.h"
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#ifdef _GSTREAMER_BACKEND_
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#include "XAAdaptationContextBase.h"
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#endif
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static XAPrefetchStatusItfImpl* GetImpl(XAPrefetchStatusItf self)
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{
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    if(self)
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    {
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        XAPrefetchStatusItfImpl* impl = (XAPrefetchStatusItfImpl*)(*self);
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        if(impl && impl == impl->self)
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        {
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            return impl;
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        }
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    }
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    return NULL;
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}
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XAresult XAPrefetchStatusItfImpl_GetPrefetchStatus(XAPrefetchStatusItf self,
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                                                   XAuint32 *pStatus)
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{
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    XAresult ret = XA_RESULT_SUCCESS;
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    XAPrefetchStatusItfImpl *impl = GetImpl(self);
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    DEBUG_API("->XAPrefetchStatusItfImpl_GetPrefetchStatus");
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    if(!impl || !pStatus )
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    {
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        /* invalid parameter */
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        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
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        DEBUG_API("<-XAPrefetchStatusItfImpl_GetPrefetchStatus");
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        return XA_RESULT_PARAMETER_INVALID;
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    }
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    *pStatus = impl->pStatus;
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    DEBUG_API("<-XAPrefetchStatusItfImpl_GetPrefetchStatus");
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    return ret;
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}
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XAresult XAPrefetchStatusItfImpl_GetFillLevel(XAPrefetchStatusItf self,
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                                              XApermille *pLevel)
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{
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    XAresult ret = XA_RESULT_SUCCESS;
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    XAPrefetchStatusItfImpl *impl = GetImpl(self);
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    DEBUG_API("->XAPrefetchStatusItfImpl_GetFillLevel");
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    if(!impl || !pLevel)
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    {
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        /* invalid parameter */
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        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
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        DEBUG_API("<-XAPrefetchStatusItfImpl_GetFillLevel");
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        return XA_RESULT_PARAMETER_INVALID;
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    }
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    *pLevel = impl->pLevel;
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    DEBUG_API("<-XAPrefetchStatusItfImpl_GetFillLevel");
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    return ret;
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}
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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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{
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    XAresult ret = XA_RESULT_SUCCESS;
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    XAPrefetchStatusItfImpl *impl = GetImpl(self);
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    DEBUG_API("->XAPrefetchStatusItfImpl_RegisterCallback");
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    if(!impl)
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    {
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        /* invalid parameter */
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        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
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        DEBUG_API("<-XAPrefetchStatusItfImpl_RegisterCallback");
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        return XA_RESULT_PARAMETER_INVALID;
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    }
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    /* Can be null to reset callback */
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    impl->callback = callback;
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    impl->cbcontext = pContext;
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    impl->cbPtrToSelf = self;
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    DEBUG_API("<-XAPrefetchStatusItfImpl_RegisterCallback");
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    return ret;
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}
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XAresult XAPrefetchStatusItfImpl_SetCallbackEventsMask(XAPrefetchStatusItf self,
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                                                       XAuint32 eventFlags)
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{
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    XAresult ret = XA_RESULT_SUCCESS;
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    XAPrefetchStatusItfImpl *impl = GetImpl(self);
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    DEBUG_API("->XAPrefetchStatusItfImpl_SetCallbackEventsMask");
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   113
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   114
    if(!impl  )
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   115
    {
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        /* invalid parameter */
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        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
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        DEBUG_API("<-XAPrefetchStatusItfImpl_SetCallbackEventsMask");
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        return XA_RESULT_PARAMETER_INVALID;
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    }
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   121
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    impl->eventFlags = eventFlags;
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   123
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    DEBUG_API("<-XAPrefetchStatusItfImpl_SetCallbackEventsMask");
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    return ret;
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}
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   127
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XAresult XAPrefetchStatusItfImpl_GetCallbackEventsMask(XAPrefetchStatusItf self,
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   129
                                                       XAuint32 *pEventFlags)
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{
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    XAresult ret = XA_RESULT_SUCCESS;
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    XAPrefetchStatusItfImpl *impl = GetImpl(self);
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    DEBUG_API("->XAPrefetchStatusItfImpl_GetCallbackEventsMask");
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   134
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   135
    if(!impl || !pEventFlags)
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   136
    {
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        /* invalid parameter */
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        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
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        DEBUG_API("<-XAPrefetchStatusItfImpl_GetCallbackEventsMask");
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        return XA_RESULT_PARAMETER_INVALID;
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   141
    }
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   142
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    *pEventFlags = impl->eventFlags;
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   144
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   145
    DEBUG_API("<-XAPrefetchStatusItfImpl_GetCallbackEventsMask");
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   146
    return ret;
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   147
}
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   148
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   149
XAresult XAPrefetchStatusItfImpl_SetFillUpdatePeriod(XAPrefetchStatusItf self,
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                                                     XApermille period)
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{
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    XAresult ret = XA_RESULT_SUCCESS;
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    XAPrefetchStatusItfImpl *impl = GetImpl(self);
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    DEBUG_API("->XAPrefetchStatusItfImpl_SetFillUpdatePeriod");
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   155
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   156
    if(!impl || period == 0 || period > 1000 )
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   157
    {
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        /* invalid parameter */
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        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
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        DEBUG_API("<-XAPrefetchStatusItfImpl_SetFillUpdatePeriod");
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        return XA_RESULT_PARAMETER_INVALID;
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    }
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   163
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    impl->fillUpdatePeriod = period;
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   165
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    DEBUG_API("<-XAPrefetchStatusItfImpl_SetFillUpdatePeriod");
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    return ret;
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   168
}
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   169
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   170
XAresult XAPrefetchStatusItfImpl_GetFillUpdatePeriod(XAPrefetchStatusItf self,
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   171
                                                     XApermille *pPeriod)
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{
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    XAresult ret = XA_RESULT_SUCCESS;
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    XAPrefetchStatusItfImpl *impl = GetImpl(self);
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    DEBUG_API("->XAPrefetchStatusItfImpl_GetFillUpdatePeriod");
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   176
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   177
    if(!impl || !pPeriod)
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   178
    {
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        /* invalid parameter */
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        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
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   181
        DEBUG_API("<-XAPrefetchStatusItfImpl_GetFillUpdatePeriod");
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        return XA_RESULT_PARAMETER_INVALID;
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   183
    }
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   184
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   185
    *pPeriod = impl->fillUpdatePeriod;
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   186
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   187
    DEBUG_API("<-XAPrefetchStatusItfImpl_GetFillUpdatePeriod");
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    return ret;
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   189
}
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   190
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   191
#ifdef _GSTREAMER_BACKEND_
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   192
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   193
/*
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   194
 * implementation-specific methods
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   195
 */
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XAPrefetchStatusItfImpl* XAPrefetchStatusItfImpl_Create( XAAdaptationBaseCtx* adaptationCtx )
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   197
{
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   198
    XAPrefetchStatusItfImpl *self = (XAPrefetchStatusItfImpl*)
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   199
        calloc(1,sizeof(XAPrefetchStatusItfImpl));
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   200
    DEBUG_API("->XAPrefetchStatusItfImpl_Create");
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   201
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   202
    if(self)
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   203
    {
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   204
        /* init itf default implementation */
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   205
        self->itf.GetCallbackEventsMask = XAPrefetchStatusItfImpl_GetCallbackEventsMask;
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   206
        self->itf.GetFillLevel = XAPrefetchStatusItfImpl_GetFillLevel;
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   207
        self->itf.GetFillUpdatePeriod = XAPrefetchStatusItfImpl_GetFillUpdatePeriod;
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   208
        self->itf.GetPrefetchStatus = XAPrefetchStatusItfImpl_GetPrefetchStatus;
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   209
        self->itf.RegisterCallback = XAPrefetchStatusItfImpl_RegisterCallback;
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   210
        self->itf.SetCallbackEventsMask = XAPrefetchStatusItfImpl_SetCallbackEventsMask;
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   211
        self->itf.SetFillUpdatePeriod = XAPrefetchStatusItfImpl_SetFillUpdatePeriod;
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   212
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   213
        self->callback = NULL;
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   214
        self->cbcontext = NULL;
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        self->eventFlags = 0;
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   216
        self->fillUpdatePeriod = PREFETCHSTATUSITF_DEFAULT_UPDATE_PERIOD;
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   217
        self->pStatus = XA_PREFETCHSTATUS_SUFFICIENTDATA;
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   218
        self->adaptationCtx = adaptationCtx;
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   219
        self->cbPtrToSelf = NULL;
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   220
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        XAAdaptationBase_AddEventHandler( adaptationCtx, &XAPrefetchStatusItfImpl_AdaptCb, XA_PREFETCHITFEVENTS, self );
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   222
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        self->self = self;
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    }
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    DEBUG_API("<-XAPrefetchStatusItfImpl_Create");
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    return self;
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}
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#endif
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void XAPrefetchStatusItfImpl_Free(XAPrefetchStatusItfImpl* self)
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{
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    DEBUG_API("->XAPrefetchStatusItfImpl_Free");
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    assert(self==self->self);
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#ifdef _GSTREAMER_BACKEND_
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    XAAdaptationBase_RemoveEventHandler( (XAAdaptationBaseCtx*)self->adaptationCtx, &XAPrefetchStatusItfImpl_AdaptCb );
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#endif    
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    free(self);
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    DEBUG_API("<-XAPrefetchStatusItfImpl_Free");
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}
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#ifdef _GSTREAMER_BACKEND_
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/* void XAPrefetchStatusItfImpl_AdaptCb
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 * Description: Listen changes in adaptation
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 */
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void XAPrefetchStatusItfImpl_AdaptCb( void *pHandlerCtx, XAAdaptEvent *event )
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{
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    XAPrefetchStatusItfImpl* impl = (XAPrefetchStatusItfImpl*)pHandlerCtx;
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    DEBUG_API("->XAPrefetchStatusItfImpl_AdaptCb");
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    if(!impl)
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    {
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        DEBUG_ERR("XAPrefetchStatusItfImpl_AdaptCb, invalid context pointer!");
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        DEBUG_API("<-XAPrefetchStatusItfImpl_AdaptCb");
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        return;
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    }
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    assert(event);
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    if( event->eventid == XA_ADAPT_BUFFERING )
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    {
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        /* Adaptation sends percents convert it to permille */
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        impl->fillUpdatePeriod = ((*(XAint32*)(event->data))*10);
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        /*Check do we have to send event */
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        if( impl->callback && impl->eventFlags & XA_PREFETCHEVENT_FILLLEVELCHANGE )
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        {
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            if ( (*(XAint32*)event->data) >  impl->fillUpdatePeriod / 10 )
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            {
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                impl->callback(impl->cbPtrToSelf, impl->cbcontext, XA_PREFETCHEVENT_FILLLEVELCHANGE);
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            }
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        }
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    }
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    DEBUG_API("<-XAPrefetchStatusItfImpl_AdaptCb");
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}
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#endif
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