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168 lines
7.7 KiB
C
168 lines
7.7 KiB
C
/*
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* IPin function declarations to allow inheritance
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*
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* Copyright 2003 Robert Shearman
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/* This function will process incoming samples to the pin.
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* Any return value valid in IMemInputPin::Receive is allowed here
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*/
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typedef HRESULT (* SAMPLEPROC)(LPVOID userdata, IMediaSample * pSample);
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/* This function will determine whether a type is supported or not.
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* It is allowed to return any error value (within reason), as opposed
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* to IPin::QueryAccept which is only allowed to return S_OK or S_FALSE.
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*/
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typedef HRESULT (* QUERYACCEPTPROC)(LPVOID userdata, const AM_MEDIA_TYPE * pmt);
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/* This function is called prior to finalizing a connection with
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* another pin and can be used to get things from the other pin
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* like IMemInput interfaces.
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*/
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typedef HRESULT (* PRECONNECTPROC)(IPin * iface, IPin * pConnectPin);
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typedef struct IPinImpl
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{
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const struct IPinVtbl * lpVtbl;
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LONG refCount;
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LPCRITICAL_SECTION pCritSec;
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PIN_INFO pinInfo;
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IPin * pConnectedTo;
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AM_MEDIA_TYPE mtCurrent;
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ENUMMEDIADETAILS enumMediaDetails;
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QUERYACCEPTPROC fnQueryAccept;
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LPVOID pUserData;
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} IPinImpl;
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typedef struct InputPin
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{
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/* inheritance C style! */
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IPinImpl pin;
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const IMemInputPinVtbl * lpVtblMemInput;
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IMemAllocator * pAllocator;
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SAMPLEPROC fnSampleProc;
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REFERENCE_TIME tStart;
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REFERENCE_TIME tStop;
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double dRate;
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} InputPin;
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typedef struct OutputPin
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{
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/* inheritance C style! */
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IPinImpl pin;
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IMemInputPin * pMemInputPin;
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HRESULT (* pConnectSpecific)(IPin * iface, IPin * pReceiver, const AM_MEDIA_TYPE * pmt);
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ALLOCATOR_PROPERTIES allocProps;
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} OutputPin;
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typedef struct PullPin
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{
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/* inheritance C style! */
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IPinImpl pin;
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IAsyncReader * pReader;
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IMemAllocator * pAlloc;
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SAMPLEPROC fnSampleProc;
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PRECONNECTPROC fnPreConnect;
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HANDLE hThread;
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HANDLE hEventStateChanged;
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REFERENCE_TIME rtStart;
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REFERENCE_TIME rtStop;
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} PullPin;
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/*** Initializers ***/
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HRESULT InputPin_Init(const PIN_INFO * pPinInfo, SAMPLEPROC pSampleProc, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, LPCRITICAL_SECTION pCritSec, InputPin * pPinImpl);
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HRESULT OutputPin_Init(const PIN_INFO * pPinInfo, ALLOCATOR_PROPERTIES *props, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, LPCRITICAL_SECTION pCritSec, OutputPin * pPinImpl);
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HRESULT PullPin_Init(const PIN_INFO * pPinInfo, SAMPLEPROC pSampleProc, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, LPCRITICAL_SECTION pCritSec, PullPin * pPinImpl);
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/*** Constructors ***/
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HRESULT InputPin_Construct(const PIN_INFO * pPinInfo, SAMPLEPROC pSampleProc, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, LPCRITICAL_SECTION pCritSec, IPin ** ppPin);
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HRESULT OutputPin_Construct(const PIN_INFO * pPinInfo, ALLOCATOR_PROPERTIES *props, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, LPCRITICAL_SECTION pCritSec, IPin ** ppPin);
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HRESULT PullPin_Construct(const PIN_INFO * pPinInfo, SAMPLEPROC pSampleProc, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, LPCRITICAL_SECTION pCritSec, IPin ** ppPin);
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/**************************/
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/*** Pin Implementation ***/
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/* Common */
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ULONG WINAPI IPinImpl_AddRef(IPin * iface);
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HRESULT WINAPI IPinImpl_Disconnect(IPin * iface);
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HRESULT WINAPI IPinImpl_ConnectedTo(IPin * iface, IPin ** ppPin);
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HRESULT WINAPI IPinImpl_ConnectionMediaType(IPin * iface, AM_MEDIA_TYPE * pmt);
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HRESULT WINAPI IPinImpl_QueryPinInfo(IPin * iface, PIN_INFO * pInfo);
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HRESULT WINAPI IPinImpl_QueryDirection(IPin * iface, PIN_DIRECTION * pPinDir);
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HRESULT WINAPI IPinImpl_QueryId(IPin * iface, LPWSTR * Id);
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HRESULT WINAPI IPinImpl_QueryAccept(IPin * iface, const AM_MEDIA_TYPE * pmt);
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HRESULT WINAPI IPinImpl_EnumMediaTypes(IPin * iface, IEnumMediaTypes ** ppEnum);
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HRESULT WINAPI IPinImpl_QueryInternalConnections(IPin * iface, IPin ** apPin, ULONG * cPin);
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/* Input Pin */
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HRESULT WINAPI InputPin_QueryInterface(IPin * iface, REFIID riid, LPVOID * ppv);
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ULONG WINAPI InputPin_Release(IPin * iface);
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HRESULT WINAPI InputPin_Connect(IPin * iface, IPin * pConnector, const AM_MEDIA_TYPE * pmt);
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HRESULT WINAPI InputPin_ReceiveConnection(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt);
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HRESULT WINAPI InputPin_EndOfStream(IPin * iface);
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HRESULT WINAPI InputPin_BeginFlush(IPin * iface);
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HRESULT WINAPI InputPin_EndFlush(IPin * iface);
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HRESULT WINAPI InputPin_NewSegment(IPin * iface, REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate);
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/* Output Pin */
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HRESULT WINAPI OutputPin_QueryInterface(IPin * iface, REFIID riid, LPVOID * ppv);
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ULONG WINAPI OutputPin_Release(IPin * iface);
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HRESULT WINAPI OutputPin_Connect(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt);
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HRESULT WINAPI OutputPin_Disconnect(IPin * iface);
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HRESULT WINAPI OutputPin_ReceiveConnection(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt);
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HRESULT WINAPI OutputPin_EndOfStream(IPin * iface);
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HRESULT WINAPI OutputPin_BeginFlush(IPin * iface);
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HRESULT WINAPI OutputPin_EndFlush(IPin * iface);
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HRESULT WINAPI OutputPin_NewSegment(IPin * iface, REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate);
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HRESULT OutputPin_CommitAllocator(OutputPin * This);
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HRESULT OutputPin_GetDeliveryBuffer(OutputPin * This, IMediaSample ** ppSample, const REFERENCE_TIME * tStart, const REFERENCE_TIME * tStop, DWORD dwFlags);
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HRESULT OutputPin_SendSample(OutputPin * This, IMediaSample * pSample);
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HRESULT OutputPin_DeliverDisconnect(OutputPin * This);
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HRESULT OutputPin_DeliverNewSegment(OutputPin * This, REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate);
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/**********************************/
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/*** MemInputPin Implementation ***/
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HRESULT WINAPI MemInputPin_QueryInterface(IMemInputPin * iface, REFIID riid, LPVOID * ppv);
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ULONG WINAPI MemInputPin_AddRef(IMemInputPin * iface);
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ULONG WINAPI MemInputPin_Release(IMemInputPin * iface);
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HRESULT WINAPI MemInputPin_GetAllocator(IMemInputPin * iface, IMemAllocator ** ppAllocator);
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HRESULT WINAPI MemInputPin_NotifyAllocator(IMemInputPin * iface, IMemAllocator * pAllocator, BOOL bReadOnly);
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HRESULT WINAPI MemInputPin_GetAllocatorRequirements(IMemInputPin * iface, ALLOCATOR_PROPERTIES * pProps);
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HRESULT WINAPI MemInputPin_Receive(IMemInputPin * iface, IMediaSample * pSample);
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HRESULT WINAPI MemInputPin_ReceiveMultiple(IMemInputPin * iface, IMediaSample ** pSamples, long nSamples, long *nSamplesProcessed);
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HRESULT WINAPI MemInputPin_ReceiveCanBlock(IMemInputPin * iface);
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/* Pull Pin */
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HRESULT WINAPI PullPin_ReceiveConnection(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt);
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HRESULT WINAPI PullPin_QueryInterface(IPin * iface, REFIID riid, LPVOID * ppv);
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ULONG WINAPI PullPin_Release(IPin * iface);
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HRESULT PullPin_InitProcessing(PullPin * This);
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HRESULT PullPin_StartProcessing(PullPin * This);
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HRESULT PullPin_StopProcessing(PullPin * This);
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HRESULT PullPin_PauseProcessing(PullPin * This);
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HRESULT PullPin_Seek(PullPin * This, REFERENCE_TIME rtStart, REFERENCE_TIME rtStop);
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HRESULT WINAPI PullPin_EndOfStream(IPin * iface);
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HRESULT WINAPI PullPin_BeginFlush(IPin * iface);
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HRESULT WINAPI PullPin_EndFlush(IPin * iface);
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HRESULT WINAPI PullPin_NewSegment(IPin * iface, REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate);
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HRESULT PullPin_WaitForStateChange(PullPin * This, DWORD dwMilliseconds);
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