author | hgs |
Fri, 14 May 2010 18:19:45 -0500 | |
changeset 20 | b67dd1fc57c5 |
parent 19 | 4a629bc82c5e |
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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|
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#include "xaoutputmixitf.h" |
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#include "xaoutputmixitfadaptation.h" |
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#include <assert.h> |
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#include "xathreadsafety.h" |
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#include "e32def.h" |
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/** |
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* XAOutputMixtfImpl* GetImpl(XAOutputMixtfImpl self) |
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* Description: Validated interface pointer and cast it to implementations pointer. |
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**/ |
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static XAOutputMixItfImpl* GetImpl(XAOutputMixItf self) |
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{ |
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if(self) |
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{ |
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XAOutputMixItfImpl* impl = (XAOutputMixItfImpl*)(*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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|
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/** |
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* Base interface XAOutputMixtf implementation |
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*/ |
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|
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/* |
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* XAresult XAOutputMixItfImpl_GetDestinationOutputDeviceIDs( XAOutputMixItf self, |
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* XAint32 * pNumDevices, |
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* XAuint32 * pDeviceIDs ) |
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* Description: Retrieves the device IDs of the destination output devices currently |
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* associated with the output mix. |
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*/ |
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XAresult XAOutputMixItfImpl_GetDestinationOutputDeviceIDs( XAOutputMixItf self, XAint32 * pNumDevices, XAuint32 * pDeviceIDs ) |
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{ |
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XAresult ret = XA_RESULT_SUCCESS; |
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XAOutputMixItfImpl* impl = GetImpl(self); |
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DEBUG_API_A1("->XAOutputMixItfImpl_GetDestinationOutputDeviceIDs - pNumDevices %ld",*pNumDevices); |
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XA_IMPL_THREAD_SAFETY_ENTRY(XATSOutputMix); |
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if(!impl || !pNumDevices ) |
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{ |
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/* invalid parameter */ |
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XA_IMPL_THREAD_SAFETY_EXIT(XATSOutputMix); |
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DEBUG_ERR("XA_RESULT_PARAMETER_INVALID"); |
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DEBUG_API("<-XAOutputMixItfImpl_GetDestinationOutputDeviceIDs"); |
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return XA_RESULT_PARAMETER_INVALID; |
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} |
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ret = XAOutputMixItfAdapt_GetDestinationOutputDeviceIDs((XAAdaptationGstCtx*)impl->adapCtx, pNumDevices, pDeviceIDs ); |
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XA_IMPL_THREAD_SAFETY_EXIT(XATSOutputMix); |
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DEBUG_API_A1("<-XAOutputMixItfImpl_GetDestinationOutputDeviceIDs - pNumDevices %ld",*pNumDevices); |
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return ret; |
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} |
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|
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/* |
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* XAresult XAOutputMixItfImpl_RegisterDeviceChangeCallback( XAOutputMixItf self, |
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* xaMixDeviceChangeCallback callback, |
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* void * pContext) |
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* Description: Registers a callback to notify client when there are changes to the |
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* device IDs associated with the output mix. |
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*/ |
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XAresult XAOutputMixItfImpl_RegisterDeviceChangeCallback( XAOutputMixItf self, xaMixDeviceChangeCallback callback, void * pContext) |
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{ |
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XAresult ret = XA_RESULT_SUCCESS; |
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XAOutputMixItfImpl* impl = GetImpl(self); |
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DEBUG_API("->XAOutputMixItfImpl_RegisterDeviceChangeCallback"); |
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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("<-XAOutputMixItfImpl_RegisterDeviceChangeCallback"); |
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return XA_RESULT_PARAMETER_INVALID; |
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} |
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|
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/* callback may be NULL (to remove callback) */ |
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impl->callback = callback; |
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impl->cbContext = pContext; |
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impl->cbPtrToSelf = self; |
19 | 100 |
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if(callback) |
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{ /* start listening */ |
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XAAdaptationBase_AddEventHandler( impl->adapCtx, &XAOutputMixItfImpl_AdaptCb, XA_OUTPUTMIXITFEVENTS, (void*)self ); |
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} |
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else |
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{ /* stop listening */ |
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XAAdaptationBase_RemoveEventHandler( impl->adapCtx, &XAOutputMixItfImpl_AdaptCb ); |
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} |
19 | 109 |
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110 |
|
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DEBUG_API("<-XAOutputMixItfImpl_RegisterDeviceChangeCallback"); |
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return ret; |
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} |
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114 |
|
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/* |
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* XAresult XAOutputMixItfImpl_ReRoute( XAOutputMixItf self, |
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* XAint32 numOutputDevices, |
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* XAuint32 * pOutputDeviceIDs) |
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* Description: Requests a change to the specified set of output devices on an output mix. |
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*/ |
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XAresult XAOutputMixItfImpl_ReRoute( XAOutputMixItf self, XAint32 numOutputDevices, XAuint32 * pOutputDeviceIDs) |
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{ |
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XAresult ret = XA_RESULT_SUCCESS; |
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XAOutputMixItfImpl* impl = GetImpl(self); |
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125 |
|
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DEBUG_API("->XAOutputMixItfImpl_ReRoute"); |
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XA_IMPL_THREAD_SAFETY_ENTRY(XATSOutputMix); |
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128 |
|
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if(!impl || ( numOutputDevices > 0 && !pOutputDeviceIDs) ) |
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130 |
{ |
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/* invalid parameter */ |
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XA_IMPL_THREAD_SAFETY_EXIT(XATSOutputMix); |
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DEBUG_ERR("XA_RESULT_PARAMETER_INVALID"); |
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DEBUG_API("<-XAOutputMixItfImpl_ReRoute"); |
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return XA_RESULT_PARAMETER_INVALID; |
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} |
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|
19 | 138 |
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ret = XAOutputMixItfAdapt_ReRoute((XAAdaptationGstCtx*)impl->adapCtx, numOutputDevices, pOutputDeviceIDs ); |
|
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||
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141 |
|
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XA_IMPL_THREAD_SAFETY_EXIT(XATSOutputMix); |
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DEBUG_API("<-XAOutputMixItfImpl_ReRoute"); |
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return ret; |
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145 |
|
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} |
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147 |
|
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/** |
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* XAVolumeItfImpl -specific methods |
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**/ |
19 | 151 |
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152 |
|
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/* |
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* XAOutputMixItfImpl* XAOutputMixItfImpl_Create(XAAdaptationBaseCtx *adapCtx) |
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* Description: Creates new Output mix itf implmementation |
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*/ |
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XAOutputMixItfImpl* XAOutputMixItfImpl_Create(XAAdaptationBaseCtx *adapCtx) |
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{ |
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XAOutputMixItfImpl *self = (XAOutputMixItfImpl*) |
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calloc(1,sizeof(XAOutputMixItfImpl)); |
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DEBUG_API("->XAVolumeItfImpl_Create"); |
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162 |
|
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if(self) |
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{ |
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/* init itf default implementation */ |
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self->itf.GetDestinationOutputDeviceIDs = XAOutputMixItfImpl_GetDestinationOutputDeviceIDs; |
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self->itf.RegisterDeviceChangeCallback = XAOutputMixItfImpl_RegisterDeviceChangeCallback; |
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self->itf.ReRoute = XAOutputMixItfImpl_ReRoute; |
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169 |
|
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/* init variables */ |
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self->adapCtx = adapCtx; |
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self->callback = NULL; |
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self->cbContext = NULL; |
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self->cbPtrToSelf = NULL; |
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175 |
|
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self->self = self; |
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} |
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|
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DEBUG_API("<-XAVolumeItfImpl_Create"); |
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return self; |
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} |
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|
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/* |
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* void XAOutputMixItfImpl_Free(XAOutputMixItfImpl* self) |
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* Description: Frees XAOutputMixItfImpl |
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*/ |
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void XAOutputMixItfImpl_Free(XAOutputMixItfImpl* self) |
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{ |
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DEBUG_API("->XAOutputMixItfImpl_Free"); |
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assert(self==self->self); |
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if( self->callback ) |
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{ |
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XAAdaptationBase_RemoveEventHandler( self->adapCtx, &XAOutputMixItfImpl_AdaptCb ); |
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} |
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free(self); |
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DEBUG_API("<-XAOutputMixItfImpl_Free"); |
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} |
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|
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199 |
|
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|
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/* void XAOutputMixItfImpl_AdaptCb( void *pHandlerCtx, |
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* XAAdaptEvent *event ) |
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* Description: Listen changes in adaptation |
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*/ |
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void XAOutputMixItfImpl_AdaptCb( void *pHandlerCtx, XAAdaptEvent *event ) |
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{ |
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XAOutputMixItfImpl* impl = (XAOutputMixItfImpl*)pHandlerCtx; |
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DEBUG_API("->XAOutputMixItfImpl_AdaptCb"); |
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|
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if(!impl) |
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{ |
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DEBUG_ERR("XAOutputMixItfImpl_AdaptCb, invalid context pointer!"); |
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return; |
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} |
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assert(event); |
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/* send callback if needed. |
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* Check event-id to avoid sending incorrect events. */ |
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if( (event->eventid==XA_ADAPT_OMIX_DEVICESET_CHANGED) && impl->callback ) |
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{ |
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impl->callback(impl->cbPtrToSelf, impl->cbContext); |
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} |
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DEBUG_API("<-XAOutputMixItfImpl_AdaptCb"); |
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} |
19 | 226 |