807 lines
22 KiB
C
807 lines
22 KiB
C
/*
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* Generic Implementation of IPin Interface
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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "quartz_private.h"
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#include "pin.h"
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#include "wine/debug.h"
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#include "wine/unicode.h"
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#include "uuids.h"
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#include "vfwmsgs.h"
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#include <assert.h>
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WINE_DEFAULT_DEBUG_CHANNEL(quartz);
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static const IPinVtbl PullPin_Vtbl;
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#define ALIGNDOWN(value,boundary) ((value)/(boundary)*(boundary))
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#define ALIGNUP(value,boundary) (ALIGNDOWN((value)+(boundary)-1, (boundary)))
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typedef HRESULT (*SendPinFunc)( IPin *to, LPVOID arg );
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/** Helper function, there are a lot of places where the error code is inherited
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* The following rules apply:
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*
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* Return the first received error code (E_NOTIMPL is ignored)
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* If no errors occur: return the first received non-error-code that isn't S_OK
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*/
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HRESULT updatehres( HRESULT original, HRESULT new )
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{
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if (FAILED( original ) || new == E_NOTIMPL)
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return original;
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if (FAILED( new ) || original == S_OK)
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return new;
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return original;
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}
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/** Sends a message from a pin further to other, similar pins
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* fnMiddle is called on each pin found further on the stream.
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* fnEnd (can be NULL) is called when the message can't be sent any further (this is a renderer or source)
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*
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* If the pin given is an input pin, the message will be sent downstream to other input pins
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* If the pin given is an output pin, the message will be sent upstream to other output pins
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*/
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static HRESULT SendFurther( IPin *from, SendPinFunc fnMiddle, LPVOID arg, SendPinFunc fnEnd )
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{
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PIN_INFO pin_info;
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ULONG amount = 0;
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HRESULT hr = S_OK;
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HRESULT hr_return = S_OK;
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IEnumPins *enumpins = NULL;
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BOOL foundend = TRUE;
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PIN_DIRECTION from_dir;
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IPin_QueryDirection( from, &from_dir );
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hr = IPin_QueryInternalConnections( from, NULL, &amount );
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if (hr != E_NOTIMPL && amount)
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FIXME("Use QueryInternalConnections!\n");
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hr = S_OK;
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pin_info.pFilter = NULL;
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hr = IPin_QueryPinInfo( from, &pin_info );
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if (FAILED(hr))
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goto out;
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hr = IBaseFilter_EnumPins( pin_info.pFilter, &enumpins );
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if (FAILED(hr))
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goto out;
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hr = IEnumPins_Reset( enumpins );
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while (hr == S_OK) {
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IPin *pin = NULL;
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hr = IEnumPins_Next( enumpins, 1, &pin, NULL );
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if (hr == VFW_E_ENUM_OUT_OF_SYNC)
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{
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hr = IEnumPins_Reset( enumpins );
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continue;
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}
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if (pin)
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{
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PIN_DIRECTION dir;
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IPin_QueryDirection( pin, &dir );
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if (dir != from_dir)
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{
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IPin *connected = NULL;
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foundend = FALSE;
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IPin_ConnectedTo( pin, &connected );
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if (connected)
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{
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HRESULT hr_local;
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hr_local = fnMiddle( connected, arg );
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hr_return = updatehres( hr_return, hr_local );
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IPin_Release(connected);
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}
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}
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IPin_Release( pin );
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}
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else
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{
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hr = S_OK;
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break;
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}
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}
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if (!foundend)
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hr = hr_return;
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else if (fnEnd) {
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HRESULT hr_local;
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hr_local = fnEnd( from, arg );
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hr_return = updatehres( hr_return, hr_local );
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}
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out:
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if (pin_info.pFilter)
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IBaseFilter_Release( pin_info.pFilter );
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return hr;
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}
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static void Copy_PinInfo(PIN_INFO * pDest, const PIN_INFO * pSrc)
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{
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/* Tempting to just do a memcpy, but the name field is
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128 characters long! We will probably never exceed 10
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most of the time, so we are better off copying
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each field manually */
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strcpyW(pDest->achName, pSrc->achName);
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pDest->dir = pSrc->dir;
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pDest->pFilter = pSrc->pFilter;
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}
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static HRESULT deliver_endofstream(IPin* pin, LPVOID unused)
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{
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return IPin_EndOfStream( pin );
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}
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static HRESULT deliver_beginflush(IPin* pin, LPVOID unused)
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{
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return IPin_BeginFlush( pin );
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}
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static HRESULT deliver_endflush(IPin* pin, LPVOID unused)
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{
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return IPin_EndFlush( pin );
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}
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typedef struct newsegmentargs
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{
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REFERENCE_TIME tStart, tStop;
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double rate;
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} newsegmentargs;
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static HRESULT deliver_newsegment(IPin *pin, LPVOID data)
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{
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newsegmentargs *args = data;
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return IPin_NewSegment(pin, args->tStart, args->tStop, args->rate);
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}
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/*** PullPin implementation ***/
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static HRESULT PullPin_Init(const IPinVtbl *PullPin_Vtbl, const PIN_INFO * pPinInfo, SAMPLEPROC_PULL pSampleProc, LPVOID pUserData,
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QUERYACCEPTPROC pQueryAccept, CLEANUPPROC pCleanUp, REQUESTPROC pCustomRequest, STOPPROCESSPROC pDone, LPCRITICAL_SECTION pCritSec, PullPin * pPinImpl)
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{
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/* Common attributes */
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pPinImpl->pin.lpVtbl = PullPin_Vtbl;
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pPinImpl->pin.refCount = 1;
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pPinImpl->pin.pConnectedTo = NULL;
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pPinImpl->pin.pCritSec = pCritSec;
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Copy_PinInfo(&pPinImpl->pin.pinInfo, pPinInfo);
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ZeroMemory(&pPinImpl->pin.mtCurrent, sizeof(AM_MEDIA_TYPE));
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/* Input pin attributes */
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pPinImpl->pUserData = pUserData;
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pPinImpl->fnQueryAccept = pQueryAccept;
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pPinImpl->fnSampleProc = pSampleProc;
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pPinImpl->fnCleanProc = pCleanUp;
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pPinImpl->fnDone = pDone;
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pPinImpl->fnPreConnect = NULL;
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pPinImpl->pAlloc = NULL;
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pPinImpl->pReader = NULL;
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pPinImpl->hThread = NULL;
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pPinImpl->hEventStateChanged = CreateEventW(NULL, TRUE, TRUE, NULL);
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pPinImpl->thread_sleepy = CreateEventW(NULL, FALSE, FALSE, NULL);
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pPinImpl->rtStart = 0;
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pPinImpl->rtCurrent = 0;
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pPinImpl->rtStop = ((LONGLONG)0x7fffffff << 32) | 0xffffffff;
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pPinImpl->dRate = 1.0;
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pPinImpl->state = Req_Die;
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pPinImpl->fnCustomRequest = pCustomRequest;
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pPinImpl->stop_playback = 1;
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InitializeCriticalSection(&pPinImpl->thread_lock);
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pPinImpl->thread_lock.DebugInfo->Spare[0] = (DWORD_PTR)( __FILE__ ": PullPin.thread_lock");
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return S_OK;
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}
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HRESULT PullPin_Construct(const IPinVtbl *PullPin_Vtbl, const PIN_INFO * pPinInfo, SAMPLEPROC_PULL pSampleProc, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, CLEANUPPROC pCleanUp, REQUESTPROC pCustomRequest, STOPPROCESSPROC pDone, LPCRITICAL_SECTION pCritSec, IPin ** ppPin)
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{
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PullPin * pPinImpl;
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*ppPin = NULL;
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if (pPinInfo->dir != PINDIR_INPUT)
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{
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ERR("Pin direction(%x) != PINDIR_INPUT\n", pPinInfo->dir);
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return E_INVALIDARG;
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}
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pPinImpl = CoTaskMemAlloc(sizeof(*pPinImpl));
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if (!pPinImpl)
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return E_OUTOFMEMORY;
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if (SUCCEEDED(PullPin_Init(PullPin_Vtbl, pPinInfo, pSampleProc, pUserData, pQueryAccept, pCleanUp, pCustomRequest, pDone, pCritSec, pPinImpl)))
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{
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*ppPin = (IPin *)(&pPinImpl->pin.lpVtbl);
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return S_OK;
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}
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CoTaskMemFree(pPinImpl);
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return E_FAIL;
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}
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static HRESULT PullPin_InitProcessing(PullPin * This);
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HRESULT WINAPI PullPin_ReceiveConnection(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
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{
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PIN_DIRECTION pindirReceive;
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HRESULT hr = S_OK;
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PullPin *This = (PullPin *)iface;
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TRACE("(%p/%p)->(%p, %p)\n", This, iface, pReceivePin, pmt);
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dump_AM_MEDIA_TYPE(pmt);
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EnterCriticalSection(This->pin.pCritSec);
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if (!This->pin.pConnectedTo)
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{
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ALLOCATOR_PROPERTIES props;
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props.cBuffers = 3;
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props.cbBuffer = 64 * 1024; /* 64k bytes */
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props.cbAlign = 1;
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props.cbPrefix = 0;
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if (SUCCEEDED(hr) && (This->fnQueryAccept(This->pUserData, pmt) != S_OK))
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hr = VFW_E_TYPE_NOT_ACCEPTED; /* FIXME: shouldn't we just map common errors onto
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* VFW_E_TYPE_NOT_ACCEPTED and pass the value on otherwise? */
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if (SUCCEEDED(hr))
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{
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IPin_QueryDirection(pReceivePin, &pindirReceive);
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if (pindirReceive != PINDIR_OUTPUT)
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{
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ERR("Can't connect from non-output pin\n");
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hr = VFW_E_INVALID_DIRECTION;
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}
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}
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This->pReader = NULL;
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This->pAlloc = NULL;
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if (SUCCEEDED(hr))
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{
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hr = IPin_QueryInterface(pReceivePin, &IID_IAsyncReader, (LPVOID *)&This->pReader);
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}
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if (SUCCEEDED(hr) && This->fnPreConnect)
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{
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hr = This->fnPreConnect(iface, pReceivePin, &props);
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}
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if (SUCCEEDED(hr))
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{
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hr = IAsyncReader_RequestAllocator(This->pReader, NULL, &props, &This->pAlloc);
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}
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if (SUCCEEDED(hr))
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{
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CopyMediaType(&This->pin.mtCurrent, pmt);
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This->pin.pConnectedTo = pReceivePin;
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IPin_AddRef(pReceivePin);
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hr = IMemAllocator_Commit(This->pAlloc);
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}
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if (SUCCEEDED(hr))
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hr = PullPin_InitProcessing(This);
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if (FAILED(hr))
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{
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if (This->pReader)
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IAsyncReader_Release(This->pReader);
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This->pReader = NULL;
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if (This->pAlloc)
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IMemAllocator_Release(This->pAlloc);
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This->pAlloc = NULL;
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}
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}
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else
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hr = VFW_E_ALREADY_CONNECTED;
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LeaveCriticalSection(This->pin.pCritSec);
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return hr;
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}
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HRESULT WINAPI PullPin_QueryInterface(IPin * iface, REFIID riid, LPVOID * ppv)
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{
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PullPin *This = (PullPin *)iface;
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TRACE("(%p/%p)->(%s, %p)\n", This, iface, qzdebugstr_guid(riid), ppv);
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*ppv = NULL;
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if (IsEqualIID(riid, &IID_IUnknown))
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*ppv = iface;
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else if (IsEqualIID(riid, &IID_IPin))
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*ppv = iface;
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else if (IsEqualIID(riid, &IID_IMediaSeeking))
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{
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return IBaseFilter_QueryInterface(This->pin.pinInfo.pFilter, &IID_IMediaSeeking, ppv);
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}
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if (*ppv)
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{
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IUnknown_AddRef((IUnknown *)(*ppv));
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return S_OK;
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}
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FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
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return E_NOINTERFACE;
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}
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ULONG WINAPI PullPin_Release(IPin *iface)
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{
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PullPin *This = (PullPin *)iface;
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ULONG refCount = InterlockedDecrement(&This->pin.refCount);
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TRACE("(%p)->() Release from %d\n", This, refCount + 1);
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if (!refCount)
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{
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WaitForSingleObject(This->hEventStateChanged, INFINITE);
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assert(!This->hThread);
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if(This->pAlloc)
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IMemAllocator_Release(This->pAlloc);
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if(This->pReader)
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IAsyncReader_Release(This->pReader);
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CloseHandle(This->thread_sleepy);
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CloseHandle(This->hEventStateChanged);
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This->thread_lock.DebugInfo->Spare[0] = 0;
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DeleteCriticalSection(&This->thread_lock);
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CoTaskMemFree(This);
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return 0;
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}
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return refCount;
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}
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static void PullPin_Flush(PullPin *This)
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{
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IMediaSample *pSample;
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TRACE("Flushing!\n");
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if (This->pReader)
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{
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/* Flush outstanding samples */
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IAsyncReader_BeginFlush(This->pReader);
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for (;;)
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{
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DWORD_PTR dwUser;
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IAsyncReader_WaitForNext(This->pReader, 0, &pSample, &dwUser);
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if (!pSample)
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break;
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assert(!IMediaSample_GetActualDataLength(pSample));
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IMediaSample_Release(pSample);
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}
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IAsyncReader_EndFlush(This->pReader);
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}
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}
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static void PullPin_Thread_Process(PullPin *This)
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{
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HRESULT hr;
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IMediaSample * pSample = NULL;
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ALLOCATOR_PROPERTIES allocProps;
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hr = IMemAllocator_GetProperties(This->pAlloc, &allocProps);
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This->cbAlign = allocProps.cbAlign;
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if (This->rtCurrent < This->rtStart)
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This->rtCurrent = MEDIATIME_FROM_BYTES(ALIGNDOWN(BYTES_FROM_MEDIATIME(This->rtStart), This->cbAlign));
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TRACE("Start\n");
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if (This->rtCurrent >= This->rtStop)
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{
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IPin_EndOfStream((IPin *)This);
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return;
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}
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/* There is no sample in our buffer */
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hr = This->fnCustomRequest(This->pUserData);
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if (FAILED(hr))
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ERR("Request error: %x\n", hr);
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EnterCriticalSection(This->pin.pCritSec);
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SetEvent(This->hEventStateChanged);
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LeaveCriticalSection(This->pin.pCritSec);
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if (SUCCEEDED(hr))
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do
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{
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DWORD_PTR dwUser;
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TRACE("Process sample\n");
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pSample = NULL;
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hr = IAsyncReader_WaitForNext(This->pReader, 10000, &pSample, &dwUser);
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/* Return an empty sample on error to the implementation in case it does custom parsing, so it knows it's gone */
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if (SUCCEEDED(hr))
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{
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hr = This->fnSampleProc(This->pUserData, pSample, dwUser);
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}
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else
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{
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/* FIXME: This is not well handled yet! */
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ERR("Processing error: %x\n", hr);
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if (hr == VFW_E_TIMEOUT)
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{
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assert(!pSample);
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hr = S_OK;
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continue;
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}
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}
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if (pSample)
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{
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IMediaSample_Release(pSample);
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pSample = NULL;
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}
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} while (This->rtCurrent < This->rtStop && hr == S_OK && !This->stop_playback);
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/* Sample was rejected, and we are asked to terminate */
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if (pSample)
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{
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IMediaSample_Release(pSample);
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}
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/* Can't reset state to Sleepy here because that might race, instead PauseProcessing will do that for us
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* Flush remaining samples
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*/
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if (This->fnDone)
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This->fnDone(This->pUserData);
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TRACE("End: %08x, %d\n", hr, This->stop_playback);
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}
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static void PullPin_Thread_Pause(PullPin *This)
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{
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PullPin_Flush(This);
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EnterCriticalSection(This->pin.pCritSec);
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This->state = Req_Sleepy;
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SetEvent(This->hEventStateChanged);
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LeaveCriticalSection(This->pin.pCritSec);
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}
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static void PullPin_Thread_Stop(PullPin *This)
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{
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TRACE("(%p)->()\n", This);
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EnterCriticalSection(This->pin.pCritSec);
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{
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CloseHandle(This->hThread);
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This->hThread = NULL;
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SetEvent(This->hEventStateChanged);
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}
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LeaveCriticalSection(This->pin.pCritSec);
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IBaseFilter_Release(This->pin.pinInfo.pFilter);
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CoUninitialize();
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ExitThread(0);
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}
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static DWORD WINAPI PullPin_Thread_Main(LPVOID pv)
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{
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PullPin *This = pv;
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CoInitializeEx(NULL, COINIT_MULTITHREADED);
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PullPin_Flush(This);
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for (;;)
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{
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WaitForSingleObject(This->thread_sleepy, INFINITE);
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TRACE("State: %d\n", This->state);
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switch (This->state)
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{
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case Req_Die: PullPin_Thread_Stop(This); break;
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case Req_Run: PullPin_Thread_Process(This); break;
|
|
case Req_Pause: PullPin_Thread_Pause(This); break;
|
|
case Req_Sleepy: ERR("Should not be signalled with SLEEPY!\n"); break;
|
|
default: ERR("Unknown state request: %d\n", This->state); break;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static HRESULT PullPin_InitProcessing(PullPin * This)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
|
|
TRACE("(%p)->()\n", This);
|
|
|
|
/* if we are connected */
|
|
if (This->pAlloc)
|
|
{
|
|
DWORD dwThreadId;
|
|
|
|
WaitForSingleObject(This->hEventStateChanged, INFINITE);
|
|
EnterCriticalSection(This->pin.pCritSec);
|
|
|
|
assert(!This->hThread);
|
|
assert(This->state == Req_Die);
|
|
assert(This->stop_playback);
|
|
assert(WaitForSingleObject(This->thread_sleepy, 0) == WAIT_TIMEOUT);
|
|
This->state = Req_Sleepy;
|
|
|
|
/* AddRef the filter to make sure it and it's pins will be around
|
|
* as long as the thread */
|
|
IBaseFilter_AddRef(This->pin.pinInfo.pFilter);
|
|
|
|
|
|
This->hThread = CreateThread(NULL, 0, PullPin_Thread_Main, This, 0, &dwThreadId);
|
|
if (!This->hThread)
|
|
{
|
|
hr = HRESULT_FROM_WIN32(GetLastError());
|
|
IBaseFilter_Release(This->pin.pinInfo.pFilter);
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
SetEvent(This->hEventStateChanged);
|
|
/* If assert fails, that means a command was not processed before the thread previously terminated */
|
|
}
|
|
LeaveCriticalSection(This->pin.pCritSec);
|
|
}
|
|
|
|
TRACE(" -- %x\n", hr);
|
|
|
|
return hr;
|
|
}
|
|
|
|
HRESULT PullPin_StartProcessing(PullPin * This)
|
|
{
|
|
/* if we are connected */
|
|
TRACE("(%p)->()\n", This);
|
|
if(This->pAlloc)
|
|
{
|
|
assert(This->hThread);
|
|
|
|
PullPin_WaitForStateChange(This, INFINITE);
|
|
|
|
assert(This->state == Req_Sleepy);
|
|
|
|
/* Wake up! */
|
|
assert(WaitForSingleObject(This->thread_sleepy, 0) == WAIT_TIMEOUT);
|
|
This->state = Req_Run;
|
|
This->stop_playback = 0;
|
|
ResetEvent(This->hEventStateChanged);
|
|
SetEvent(This->thread_sleepy);
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT PullPin_PauseProcessing(PullPin * This)
|
|
{
|
|
/* if we are connected */
|
|
TRACE("(%p)->()\n", This);
|
|
if(This->pAlloc)
|
|
{
|
|
assert(This->hThread);
|
|
|
|
PullPin_WaitForStateChange(This, INFINITE);
|
|
|
|
EnterCriticalSection(This->pin.pCritSec);
|
|
|
|
assert(!This->stop_playback);
|
|
assert(This->state == Req_Run|| This->state == Req_Sleepy);
|
|
|
|
assert(WaitForSingleObject(This->thread_sleepy, 0) == WAIT_TIMEOUT);
|
|
This->state = Req_Pause;
|
|
This->stop_playback = 1;
|
|
ResetEvent(This->hEventStateChanged);
|
|
SetEvent(This->thread_sleepy);
|
|
|
|
LeaveCriticalSection(This->pin.pCritSec);
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT PullPin_StopProcessing(PullPin * This)
|
|
{
|
|
TRACE("(%p)->()\n", This);
|
|
|
|
/* if we are alive */
|
|
assert(This->hThread);
|
|
|
|
PullPin_WaitForStateChange(This, INFINITE);
|
|
|
|
assert(This->state == Req_Pause || This->state == Req_Sleepy);
|
|
|
|
This->stop_playback = 1;
|
|
This->state = Req_Die;
|
|
assert(WaitForSingleObject(This->thread_sleepy, 0) == WAIT_TIMEOUT);
|
|
ResetEvent(This->hEventStateChanged);
|
|
SetEvent(This->thread_sleepy);
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT PullPin_WaitForStateChange(PullPin * This, DWORD dwMilliseconds)
|
|
{
|
|
if (WaitForSingleObject(This->hEventStateChanged, dwMilliseconds) == WAIT_TIMEOUT)
|
|
return S_FALSE;
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT WINAPI PullPin_QueryAccept(IPin * iface, const AM_MEDIA_TYPE * pmt)
|
|
{
|
|
PullPin *This = (PullPin *)iface;
|
|
|
|
TRACE("(%p/%p)->(%p)\n", This, iface, pmt);
|
|
|
|
return (This->fnQueryAccept(This->pUserData, pmt) == S_OK ? S_OK : S_FALSE);
|
|
}
|
|
|
|
HRESULT WINAPI PullPin_EndOfStream(IPin * iface)
|
|
{
|
|
FIXME("(%p)->() stub\n", iface);
|
|
|
|
return SendFurther( iface, deliver_endofstream, NULL, NULL );
|
|
}
|
|
|
|
HRESULT WINAPI PullPin_BeginFlush(IPin * iface)
|
|
{
|
|
PullPin *This = (PullPin *)iface;
|
|
TRACE("(%p)->()\n", This);
|
|
|
|
EnterCriticalSection(This->pin.pCritSec);
|
|
{
|
|
SendFurther( iface, deliver_beginflush, NULL, NULL );
|
|
}
|
|
LeaveCriticalSection(This->pin.pCritSec);
|
|
|
|
EnterCriticalSection(&This->thread_lock);
|
|
{
|
|
if (This->pReader)
|
|
IAsyncReader_BeginFlush(This->pReader);
|
|
PullPin_WaitForStateChange(This, INFINITE);
|
|
|
|
if (This->hThread && This->state == Req_Run)
|
|
{
|
|
PullPin_PauseProcessing(This);
|
|
PullPin_WaitForStateChange(This, INFINITE);
|
|
}
|
|
}
|
|
LeaveCriticalSection(&This->thread_lock);
|
|
|
|
EnterCriticalSection(This->pin.pCritSec);
|
|
{
|
|
This->fnCleanProc(This->pUserData);
|
|
}
|
|
LeaveCriticalSection(This->pin.pCritSec);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT WINAPI PullPin_EndFlush(IPin * iface)
|
|
{
|
|
PullPin *This = (PullPin *)iface;
|
|
|
|
TRACE("(%p)->()\n", iface);
|
|
|
|
/* Send further first: Else a race condition might terminate processing early */
|
|
EnterCriticalSection(This->pin.pCritSec);
|
|
SendFurther( iface, deliver_endflush, NULL, NULL );
|
|
LeaveCriticalSection(This->pin.pCritSec);
|
|
|
|
EnterCriticalSection(&This->thread_lock);
|
|
{
|
|
FILTER_STATE state;
|
|
|
|
if (This->pReader)
|
|
IAsyncReader_EndFlush(This->pReader);
|
|
|
|
IBaseFilter_GetState(This->pin.pinInfo.pFilter, INFINITE, &state);
|
|
|
|
if (state != State_Stopped)
|
|
PullPin_StartProcessing(This);
|
|
|
|
PullPin_WaitForStateChange(This, INFINITE);
|
|
}
|
|
LeaveCriticalSection(&This->thread_lock);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT WINAPI PullPin_Disconnect(IPin *iface)
|
|
{
|
|
HRESULT hr;
|
|
PullPin *This = (PullPin *)iface;
|
|
|
|
TRACE("()\n");
|
|
|
|
EnterCriticalSection(This->pin.pCritSec);
|
|
{
|
|
if (FAILED(hr = IMemAllocator_Decommit(This->pAlloc)))
|
|
ERR("Allocator decommit failed with error %x. Possible memory leak\n", hr);
|
|
|
|
if (This->pin.pConnectedTo)
|
|
{
|
|
IPin_Release(This->pin.pConnectedTo);
|
|
This->pin.pConnectedTo = NULL;
|
|
PullPin_StopProcessing(This);
|
|
|
|
FreeMediaType(&This->pin.mtCurrent);
|
|
ZeroMemory(&This->pin.mtCurrent, sizeof(This->pin.mtCurrent));
|
|
hr = S_OK;
|
|
}
|
|
else
|
|
hr = S_FALSE;
|
|
}
|
|
LeaveCriticalSection(This->pin.pCritSec);
|
|
|
|
return hr;
|
|
}
|
|
|
|
HRESULT WINAPI PullPin_NewSegment(IPin * iface, REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate)
|
|
{
|
|
newsegmentargs args;
|
|
FIXME("(%p)->(%s, %s, %g) stub\n", iface, wine_dbgstr_longlong(tStart), wine_dbgstr_longlong(tStop), dRate);
|
|
|
|
args.tStart = tStart;
|
|
args.tStop = tStop;
|
|
args.rate = dRate;
|
|
|
|
return SendFurther( iface, deliver_newsegment, &args, NULL );
|
|
}
|
|
|
|
static const IPinVtbl PullPin_Vtbl =
|
|
{
|
|
PullPin_QueryInterface,
|
|
BasePinImpl_AddRef,
|
|
PullPin_Release,
|
|
BaseInputPinImpl_Connect,
|
|
PullPin_ReceiveConnection,
|
|
PullPin_Disconnect,
|
|
BasePinImpl_ConnectedTo,
|
|
BasePinImpl_ConnectionMediaType,
|
|
BasePinImpl_QueryPinInfo,
|
|
BasePinImpl_QueryDirection,
|
|
BasePinImpl_QueryId,
|
|
PullPin_QueryAccept,
|
|
BasePinImpl_EnumMediaTypes,
|
|
BasePinImpl_QueryInternalConnections,
|
|
PullPin_EndOfStream,
|
|
PullPin_BeginFlush,
|
|
PullPin_EndFlush,
|
|
PullPin_NewSegment
|
|
};
|