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1417 lines
39 KiB
C
1417 lines
39 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 InputPin_Vtbl;
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static const IPinVtbl OutputPin_Vtbl;
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static const IMemInputPinVtbl MemInputPin_Vtbl;
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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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static inline InputPin *impl_from_IMemInputPin( IMemInputPin *iface )
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{
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return (InputPin *)((char*)iface - FIELD_OFFSET(InputPin, lpVtblMemInput));
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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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/* Function called as a helper to IPin_Connect */
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/* specific AM_MEDIA_TYPE - it cannot be NULL */
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/* NOTE: not part of standard interface */
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static HRESULT OutputPin_ConnectSpecific(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
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{
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OutputPin *This = (OutputPin *)iface;
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HRESULT hr;
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IMemAllocator * pMemAlloc = NULL;
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ALLOCATOR_PROPERTIES actual; /* FIXME: should we put the actual props back in to This? */
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TRACE("(%p, %p)\n", pReceivePin, pmt);
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dump_AM_MEDIA_TYPE(pmt);
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/* FIXME: call queryacceptproc */
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This->pin.pConnectedTo = pReceivePin;
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IPin_AddRef(pReceivePin);
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CopyMediaType(&This->pin.mtCurrent, pmt);
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hr = IPin_ReceiveConnection(pReceivePin, iface, pmt);
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/* get the IMemInputPin interface we will use to deliver samples to the
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* connected pin */
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if (SUCCEEDED(hr))
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{
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This->pMemInputPin = NULL;
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hr = IPin_QueryInterface(pReceivePin, &IID_IMemInputPin, (LPVOID)&This->pMemInputPin);
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if (SUCCEEDED(hr))
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{
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hr = IMemInputPin_GetAllocator(This->pMemInputPin, &pMemAlloc);
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if (hr == VFW_E_NO_ALLOCATOR)
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{
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/* Input pin provides no allocator, use standard memory allocator */
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hr = CoCreateInstance(&CLSID_MemoryAllocator, NULL, CLSCTX_INPROC_SERVER, &IID_IMemAllocator, (LPVOID*)&pMemAlloc);
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if (SUCCEEDED(hr))
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{
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hr = IMemInputPin_NotifyAllocator(This->pMemInputPin, pMemAlloc, FALSE);
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}
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}
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if (SUCCEEDED(hr))
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hr = IMemAllocator_SetProperties(pMemAlloc, &This->allocProps, &actual);
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if (pMemAlloc)
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IMemAllocator_Release(pMemAlloc);
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}
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/* break connection if we couldn't get the allocator */
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if (FAILED(hr))
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{
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if (This->pMemInputPin)
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IMemInputPin_Release(This->pMemInputPin);
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This->pMemInputPin = NULL;
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IPin_Disconnect(pReceivePin);
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}
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}
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if (FAILED(hr))
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{
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IPin_Release(This->pin.pConnectedTo);
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This->pin.pConnectedTo = NULL;
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FreeMediaType(&This->pin.mtCurrent);
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}
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TRACE(" -- %x\n", hr);
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return hr;
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}
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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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{
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InputPin * 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(InputPin_Init(pPinInfo, pSampleProc, pUserData, pQueryAccept, pCritSec, pPinImpl)))
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{
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pPinImpl->pin.lpVtbl = &InputPin_Vtbl;
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pPinImpl->lpVtblMemInput = &MemInputPin_Vtbl;
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*ppPin = (IPin *)(&pPinImpl->pin.lpVtbl);
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return S_OK;
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}
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return E_FAIL;
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}
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/* Note that we don't init the vtables here (like C++ constructor) */
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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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{
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TRACE("\n");
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/* Common attributes */
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pPinImpl->pin.refCount = 1;
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pPinImpl->pin.pConnectedTo = NULL;
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pPinImpl->pin.fnQueryAccept = pQueryAccept;
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pPinImpl->pin.pUserData = pUserData;
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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->fnSampleProc = pSampleProc;
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pPinImpl->pAllocator = NULL;
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pPinImpl->tStart = 0;
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pPinImpl->tStop = 0;
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pPinImpl->dRate = 0;
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return S_OK;
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}
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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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{
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TRACE("\n");
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/* Common attributes */
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pPinImpl->pin.lpVtbl = &OutputPin_Vtbl;
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pPinImpl->pin.refCount = 1;
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pPinImpl->pin.pConnectedTo = NULL;
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pPinImpl->pin.fnQueryAccept = pQueryAccept;
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pPinImpl->pin.pUserData = pUserData;
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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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/* Output pin attributes */
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pPinImpl->pMemInputPin = NULL;
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pPinImpl->pConnectSpecific = OutputPin_ConnectSpecific;
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if (props)
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{
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memcpy(&pPinImpl->allocProps, props, sizeof(pPinImpl->allocProps));
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if (pPinImpl->allocProps.cbAlign == 0)
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pPinImpl->allocProps.cbAlign = 1;
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}
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else
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ZeroMemory(&pPinImpl->allocProps, sizeof(pPinImpl->allocProps));
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return S_OK;
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}
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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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{
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OutputPin * pPinImpl;
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*ppPin = NULL;
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if (pPinInfo->dir != PINDIR_OUTPUT)
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{
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ERR("Pin direction(%x) != PINDIR_OUTPUT\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(OutputPin_Init(pPinInfo, props, pUserData, pQueryAccept, pCritSec, pPinImpl)))
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{
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pPinImpl->pin.lpVtbl = &OutputPin_Vtbl;
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*ppPin = (IPin *)(&pPinImpl->pin.lpVtbl);
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return S_OK;
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}
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return E_FAIL;
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}
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/*** Common pin functions ***/
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ULONG WINAPI IPinImpl_AddRef(IPin * iface)
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{
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IPinImpl *This = (IPinImpl *)iface;
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ULONG refCount = InterlockedIncrement(&This->refCount);
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TRACE("(%p)->() AddRef from %d\n", iface, refCount - 1);
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return refCount;
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}
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HRESULT WINAPI IPinImpl_Disconnect(IPin * iface)
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{
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HRESULT hr;
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IPinImpl *This = (IPinImpl *)iface;
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TRACE("()\n");
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EnterCriticalSection(This->pCritSec);
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{
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if (This->pConnectedTo)
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{
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IPin_Release(This->pConnectedTo);
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This->pConnectedTo = NULL;
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hr = S_OK;
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}
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else
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hr = S_FALSE;
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}
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LeaveCriticalSection(This->pCritSec);
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return hr;
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}
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HRESULT WINAPI IPinImpl_ConnectedTo(IPin * iface, IPin ** ppPin)
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{
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HRESULT hr;
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IPinImpl *This = (IPinImpl *)iface;
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/* TRACE("(%p)\n", ppPin);*/
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EnterCriticalSection(This->pCritSec);
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{
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if (This->pConnectedTo)
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{
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*ppPin = This->pConnectedTo;
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IPin_AddRef(*ppPin);
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hr = S_OK;
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}
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else
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hr = VFW_E_NOT_CONNECTED;
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}
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LeaveCriticalSection(This->pCritSec);
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return hr;
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}
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HRESULT WINAPI IPinImpl_ConnectionMediaType(IPin * iface, AM_MEDIA_TYPE * pmt)
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{
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HRESULT hr;
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IPinImpl *This = (IPinImpl *)iface;
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TRACE("(%p/%p)->(%p)\n", This, iface, pmt);
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EnterCriticalSection(This->pCritSec);
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{
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if (This->pConnectedTo)
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{
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CopyMediaType(pmt, &This->mtCurrent);
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hr = S_OK;
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}
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else
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{
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ZeroMemory(pmt, sizeof(*pmt));
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hr = VFW_E_NOT_CONNECTED;
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}
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}
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LeaveCriticalSection(This->pCritSec);
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return hr;
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}
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HRESULT WINAPI IPinImpl_QueryPinInfo(IPin * iface, PIN_INFO * pInfo)
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{
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IPinImpl *This = (IPinImpl *)iface;
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TRACE("(%p/%p)->(%p)\n", This, iface, pInfo);
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Copy_PinInfo(pInfo, &This->pinInfo);
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IBaseFilter_AddRef(pInfo->pFilter);
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return S_OK;
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}
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HRESULT WINAPI IPinImpl_QueryDirection(IPin * iface, PIN_DIRECTION * pPinDir)
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{
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IPinImpl *This = (IPinImpl *)iface;
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TRACE("(%p/%p)->(%p)\n", This, iface, pPinDir);
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*pPinDir = This->pinInfo.dir;
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return S_OK;
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}
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HRESULT WINAPI IPinImpl_QueryId(IPin * iface, LPWSTR * Id)
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{
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IPinImpl *This = (IPinImpl *)iface;
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TRACE("(%p/%p)->(%p)\n", This, iface, Id);
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*Id = CoTaskMemAlloc((strlenW(This->pinInfo.achName) + 1) * sizeof(WCHAR));
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if (!*Id)
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return E_OUTOFMEMORY;
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strcpyW(*Id, This->pinInfo.achName);
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return S_OK;
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}
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HRESULT WINAPI IPinImpl_QueryAccept(IPin * iface, const AM_MEDIA_TYPE * pmt)
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{
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IPinImpl *This = (IPinImpl *)iface;
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TRACE("(%p/%p)->(%p)\n", This, iface, pmt);
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return (This->fnQueryAccept(This->pUserData, pmt) == S_OK ? S_OK : S_FALSE);
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}
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HRESULT WINAPI IPinImpl_EnumMediaTypes(IPin * iface, IEnumMediaTypes ** ppEnum)
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{
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IPinImpl *This = (IPinImpl *)iface;
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ENUMMEDIADETAILS emd;
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TRACE("(%p/%p)->(%p)\n", This, iface, ppEnum);
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/* override this method to allow enumeration of your types */
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emd.cMediaTypes = 0;
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emd.pMediaTypes = NULL;
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return IEnumMediaTypesImpl_Construct(&emd, ppEnum);
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}
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HRESULT WINAPI IPinImpl_QueryInternalConnections(IPin * iface, IPin ** apPin, ULONG * cPin)
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{
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IPinImpl *This = (IPinImpl *)iface;
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TRACE("(%p/%p)->(%p, %p)\n", This, iface, apPin, cPin);
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return E_NOTIMPL; /* to tell caller that all input pins connected to all output pins */
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}
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/*** IPin implementation for an input pin ***/
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HRESULT WINAPI InputPin_QueryInterface(IPin * iface, REFIID riid, LPVOID * ppv)
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{
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InputPin *This = (InputPin *)iface;
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TRACE("(%p)->(%s, %p)\n", 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 = (LPVOID)iface;
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else if (IsEqualIID(riid, &IID_IPin))
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*ppv = (LPVOID)iface;
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else if (IsEqualIID(riid, &IID_IMemInputPin))
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*ppv = (LPVOID)&This->lpVtblMemInput;
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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 InputPin_Release(IPin * iface)
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{
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InputPin *This = (InputPin *)iface;
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ULONG refCount = InterlockedDecrement(&This->pin.refCount);
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TRACE("(%p)->() Release from %d\n", iface, refCount + 1);
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if (!refCount)
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{
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FreeMediaType(&This->pin.mtCurrent);
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if (This->pAllocator)
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IMemAllocator_Release(This->pAllocator);
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CoTaskMemFree(This);
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return 0;
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}
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else
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return refCount;
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}
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HRESULT WINAPI InputPin_Connect(IPin * iface, IPin * pConnector, const AM_MEDIA_TYPE * pmt)
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{
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ERR("Outgoing connection on an input pin! (%p, %p)\n", pConnector, pmt);
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return E_UNEXPECTED;
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}
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HRESULT WINAPI InputPin_ReceiveConnection(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
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{
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InputPin *This = (InputPin *)iface;
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PIN_DIRECTION pindirReceive;
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HRESULT hr = S_OK;
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TRACE("(%p, %p)\n", pReceivePin, pmt);
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dump_AM_MEDIA_TYPE(pmt);
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EnterCriticalSection(This->pin.pCritSec);
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{
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if (This->pin.pConnectedTo)
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hr = VFW_E_ALREADY_CONNECTED;
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if (SUCCEEDED(hr) && This->pin.fnQueryAccept(This->pin.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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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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}
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}
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LeaveCriticalSection(This->pin.pCritSec);
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return hr;
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}
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HRESULT WINAPI InputPin_EndOfStream(IPin * iface)
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{
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TRACE("()\n");
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return S_OK;
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}
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HRESULT WINAPI InputPin_BeginFlush(IPin * iface)
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{
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FIXME("()\n");
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return E_NOTIMPL;
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}
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HRESULT WINAPI InputPin_EndFlush(IPin * iface)
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{
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FIXME("()\n");
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return E_NOTIMPL;
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}
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HRESULT WINAPI InputPin_NewSegment(IPin * iface, REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate)
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{
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InputPin *This = (InputPin *)iface;
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TRACE("(%x%08x, %x%08x, %e)\n", (ULONG)(tStart >> 32), (ULONG)tStart, (ULONG)(tStop >> 32), (ULONG)tStop, dRate);
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This->tStart = tStart;
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This->tStop = tStop;
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This->dRate = dRate;
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return S_OK;
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}
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|
|
static const IPinVtbl InputPin_Vtbl =
|
|
{
|
|
InputPin_QueryInterface,
|
|
IPinImpl_AddRef,
|
|
InputPin_Release,
|
|
InputPin_Connect,
|
|
InputPin_ReceiveConnection,
|
|
IPinImpl_Disconnect,
|
|
IPinImpl_ConnectedTo,
|
|
IPinImpl_ConnectionMediaType,
|
|
IPinImpl_QueryPinInfo,
|
|
IPinImpl_QueryDirection,
|
|
IPinImpl_QueryId,
|
|
IPinImpl_QueryAccept,
|
|
IPinImpl_EnumMediaTypes,
|
|
IPinImpl_QueryInternalConnections,
|
|
InputPin_EndOfStream,
|
|
InputPin_BeginFlush,
|
|
InputPin_EndFlush,
|
|
InputPin_NewSegment
|
|
};
|
|
|
|
/*** IMemInputPin implementation ***/
|
|
|
|
HRESULT WINAPI MemInputPin_QueryInterface(IMemInputPin * iface, REFIID riid, LPVOID * ppv)
|
|
{
|
|
InputPin *This = impl_from_IMemInputPin(iface);
|
|
|
|
return IPin_QueryInterface((IPin *)&This->pin, riid, ppv);
|
|
}
|
|
|
|
ULONG WINAPI MemInputPin_AddRef(IMemInputPin * iface)
|
|
{
|
|
InputPin *This = impl_from_IMemInputPin(iface);
|
|
|
|
return IPin_AddRef((IPin *)&This->pin);
|
|
}
|
|
|
|
ULONG WINAPI MemInputPin_Release(IMemInputPin * iface)
|
|
{
|
|
InputPin *This = impl_from_IMemInputPin(iface);
|
|
|
|
return IPin_Release((IPin *)&This->pin);
|
|
}
|
|
|
|
HRESULT WINAPI MemInputPin_GetAllocator(IMemInputPin * iface, IMemAllocator ** ppAllocator)
|
|
{
|
|
InputPin *This = impl_from_IMemInputPin(iface);
|
|
|
|
TRACE("(%p/%p)->(%p)\n", This, iface, ppAllocator);
|
|
|
|
*ppAllocator = This->pAllocator;
|
|
if (*ppAllocator)
|
|
IMemAllocator_AddRef(*ppAllocator);
|
|
|
|
return *ppAllocator ? S_OK : VFW_E_NO_ALLOCATOR;
|
|
}
|
|
|
|
HRESULT WINAPI MemInputPin_NotifyAllocator(IMemInputPin * iface, IMemAllocator * pAllocator, BOOL bReadOnly)
|
|
{
|
|
InputPin *This = impl_from_IMemInputPin(iface);
|
|
|
|
TRACE("(%p/%p)->(%p, %d)\n", This, iface, pAllocator, bReadOnly);
|
|
|
|
if (This->pAllocator)
|
|
IMemAllocator_Release(This->pAllocator);
|
|
This->pAllocator = pAllocator;
|
|
if (This->pAllocator)
|
|
IMemAllocator_AddRef(This->pAllocator);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT WINAPI MemInputPin_GetAllocatorRequirements(IMemInputPin * iface, ALLOCATOR_PROPERTIES * pProps)
|
|
{
|
|
InputPin *This = impl_from_IMemInputPin(iface);
|
|
|
|
TRACE("(%p/%p)->(%p)\n", This, iface, pProps);
|
|
|
|
/* override this method if you have any specific requirements */
|
|
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
HRESULT WINAPI MemInputPin_Receive(IMemInputPin * iface, IMediaSample * pSample)
|
|
{
|
|
InputPin *This = impl_from_IMemInputPin(iface);
|
|
|
|
/* this trace commented out for performance reasons */
|
|
/*TRACE("(%p/%p)->(%p)\n", This, iface, pSample);*/
|
|
|
|
return This->fnSampleProc(This->pin.pUserData, pSample);
|
|
}
|
|
|
|
HRESULT WINAPI MemInputPin_ReceiveMultiple(IMemInputPin * iface, IMediaSample ** pSamples, long nSamples, long *nSamplesProcessed)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
InputPin *This = impl_from_IMemInputPin(iface);
|
|
|
|
TRACE("(%p/%p)->(%p, %ld, %p)\n", This, iface, pSamples, nSamples, nSamplesProcessed);
|
|
|
|
for (*nSamplesProcessed = 0; *nSamplesProcessed < nSamples; (*nSamplesProcessed)++)
|
|
{
|
|
hr = IMemInputPin_Receive(iface, pSamples[*nSamplesProcessed]);
|
|
if (hr != S_OK)
|
|
break;
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
HRESULT WINAPI MemInputPin_ReceiveCanBlock(IMemInputPin * iface)
|
|
{
|
|
InputPin *This = impl_from_IMemInputPin(iface);
|
|
|
|
FIXME("(%p/%p)->()\n", This, iface);
|
|
|
|
/* FIXME: we should check whether any output pins will block */
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static const IMemInputPinVtbl MemInputPin_Vtbl =
|
|
{
|
|
MemInputPin_QueryInterface,
|
|
MemInputPin_AddRef,
|
|
MemInputPin_Release,
|
|
MemInputPin_GetAllocator,
|
|
MemInputPin_NotifyAllocator,
|
|
MemInputPin_GetAllocatorRequirements,
|
|
MemInputPin_Receive,
|
|
MemInputPin_ReceiveMultiple,
|
|
MemInputPin_ReceiveCanBlock
|
|
};
|
|
|
|
HRESULT WINAPI OutputPin_QueryInterface(IPin * iface, REFIID riid, LPVOID * ppv)
|
|
{
|
|
OutputPin *This = (OutputPin *)iface;
|
|
|
|
TRACE("(%p/%p)->(%s, %p)\n", This, iface, qzdebugstr_guid(riid), ppv);
|
|
|
|
*ppv = NULL;
|
|
|
|
if (IsEqualIID(riid, &IID_IUnknown))
|
|
*ppv = (LPVOID)iface;
|
|
else if (IsEqualIID(riid, &IID_IPin))
|
|
*ppv = (LPVOID)iface;
|
|
|
|
if (*ppv)
|
|
{
|
|
IUnknown_AddRef((IUnknown *)(*ppv));
|
|
return S_OK;
|
|
}
|
|
|
|
FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
|
|
|
|
return E_NOINTERFACE;
|
|
}
|
|
|
|
ULONG WINAPI OutputPin_Release(IPin * iface)
|
|
{
|
|
OutputPin *This = (OutputPin *)iface;
|
|
ULONG refCount = InterlockedDecrement(&This->pin.refCount);
|
|
|
|
TRACE("(%p)->() Release from %d\n", iface, refCount + 1);
|
|
|
|
if (!refCount)
|
|
{
|
|
FreeMediaType(&This->pin.mtCurrent);
|
|
CoTaskMemFree(This);
|
|
return 0;
|
|
}
|
|
return refCount;
|
|
}
|
|
|
|
HRESULT WINAPI OutputPin_Connect(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
|
|
{
|
|
HRESULT hr;
|
|
OutputPin *This = (OutputPin *)iface;
|
|
|
|
TRACE("(%p/%p)->(%p, %p)\n", This, iface, pReceivePin, pmt);
|
|
dump_AM_MEDIA_TYPE(pmt);
|
|
|
|
/* If we try to connect to ourself, we will definitely deadlock.
|
|
* There are other cases where we could deadlock too, but this
|
|
* catches the obvious case */
|
|
assert(pReceivePin != iface);
|
|
|
|
EnterCriticalSection(This->pin.pCritSec);
|
|
{
|
|
/* if we have been a specific type to connect with, then we can either connect
|
|
* with that or fail. We cannot choose different AM_MEDIA_TYPE */
|
|
if (pmt && !IsEqualGUID(&pmt->majortype, &GUID_NULL) && !IsEqualGUID(&pmt->subtype, &GUID_NULL))
|
|
hr = This->pConnectSpecific(iface, pReceivePin, pmt);
|
|
else
|
|
{
|
|
/* negotiate media type */
|
|
|
|
IEnumMediaTypes * pEnumCandidates;
|
|
AM_MEDIA_TYPE * pmtCandidate; /* Candidate media type */
|
|
|
|
if (SUCCEEDED(hr = IPin_EnumMediaTypes(iface, &pEnumCandidates)))
|
|
{
|
|
hr = VFW_E_NO_ACCEPTABLE_TYPES; /* Assume the worst, but set to S_OK if connected successfully */
|
|
|
|
/* try this filter's media types first */
|
|
while (S_OK == IEnumMediaTypes_Next(pEnumCandidates, 1, &pmtCandidate, NULL))
|
|
{
|
|
if (( !pmt || CompareMediaTypes(pmt, pmtCandidate, TRUE) ) &&
|
|
(This->pConnectSpecific(iface, pReceivePin, pmtCandidate) == S_OK))
|
|
{
|
|
hr = S_OK;
|
|
CoTaskMemFree(pmtCandidate);
|
|
break;
|
|
}
|
|
CoTaskMemFree(pmtCandidate);
|
|
}
|
|
IEnumMediaTypes_Release(pEnumCandidates);
|
|
}
|
|
|
|
/* then try receiver filter's media types */
|
|
if (hr != S_OK && SUCCEEDED(hr = IPin_EnumMediaTypes(pReceivePin, &pEnumCandidates))) /* if we haven't already connected successfully */
|
|
{
|
|
hr = VFW_E_NO_ACCEPTABLE_TYPES; /* Assume the worst, but set to S_OK if connected successfully */
|
|
|
|
while (S_OK == IEnumMediaTypes_Next(pEnumCandidates, 1, &pmtCandidate, NULL))
|
|
{
|
|
if (( !pmt || CompareMediaTypes(pmt, pmtCandidate, TRUE) ) &&
|
|
(This->pConnectSpecific(iface, pReceivePin, pmtCandidate) == S_OK))
|
|
{
|
|
hr = S_OK;
|
|
CoTaskMemFree(pmtCandidate);
|
|
break;
|
|
}
|
|
CoTaskMemFree(pmtCandidate);
|
|
} /* while */
|
|
IEnumMediaTypes_Release(pEnumCandidates);
|
|
} /* if not found */
|
|
} /* if negotiate media type */
|
|
} /* if succeeded */
|
|
LeaveCriticalSection(This->pin.pCritSec);
|
|
|
|
TRACE(" -- %x\n", hr);
|
|
return hr;
|
|
}
|
|
|
|
HRESULT WINAPI OutputPin_ReceiveConnection(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
|
|
{
|
|
ERR("Incoming connection on an output pin! (%p, %p)\n", pReceivePin, pmt);
|
|
|
|
return E_UNEXPECTED;
|
|
}
|
|
|
|
HRESULT WINAPI OutputPin_Disconnect(IPin * iface)
|
|
{
|
|
HRESULT hr;
|
|
OutputPin *This = (OutputPin *)iface;
|
|
|
|
TRACE("()\n");
|
|
|
|
EnterCriticalSection(This->pin.pCritSec);
|
|
{
|
|
if (This->pMemInputPin)
|
|
{
|
|
IMemInputPin_Release(This->pMemInputPin);
|
|
This->pMemInputPin = NULL;
|
|
}
|
|
if (This->pin.pConnectedTo)
|
|
{
|
|
IPin_Release(This->pin.pConnectedTo);
|
|
This->pin.pConnectedTo = NULL;
|
|
hr = S_OK;
|
|
}
|
|
else
|
|
hr = S_FALSE;
|
|
}
|
|
LeaveCriticalSection(This->pin.pCritSec);
|
|
|
|
return hr;
|
|
}
|
|
|
|
HRESULT WINAPI OutputPin_EndOfStream(IPin * iface)
|
|
{
|
|
TRACE("()\n");
|
|
|
|
/* not supposed to do anything in an output pin */
|
|
|
|
return E_UNEXPECTED;
|
|
}
|
|
|
|
HRESULT WINAPI OutputPin_BeginFlush(IPin * iface)
|
|
{
|
|
TRACE("(%p)->()\n", iface);
|
|
|
|
/* not supposed to do anything in an output pin */
|
|
|
|
return E_UNEXPECTED;
|
|
}
|
|
|
|
HRESULT WINAPI OutputPin_EndFlush(IPin * iface)
|
|
{
|
|
TRACE("(%p)->()\n", iface);
|
|
|
|
/* not supposed to do anything in an output pin */
|
|
|
|
return E_UNEXPECTED;
|
|
}
|
|
|
|
HRESULT WINAPI OutputPin_NewSegment(IPin * iface, REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate)
|
|
{
|
|
TRACE("(%p)->(%x%08x, %x%08x, %e)\n", iface, (ULONG)(tStart >> 32), (ULONG)tStart, (ULONG)(tStop >> 32), (ULONG)tStop, dRate);
|
|
|
|
/* not supposed to do anything in an output pin */
|
|
|
|
return E_UNEXPECTED;
|
|
}
|
|
|
|
static const IPinVtbl OutputPin_Vtbl =
|
|
{
|
|
OutputPin_QueryInterface,
|
|
IPinImpl_AddRef,
|
|
OutputPin_Release,
|
|
OutputPin_Connect,
|
|
OutputPin_ReceiveConnection,
|
|
OutputPin_Disconnect,
|
|
IPinImpl_ConnectedTo,
|
|
IPinImpl_ConnectionMediaType,
|
|
IPinImpl_QueryPinInfo,
|
|
IPinImpl_QueryDirection,
|
|
IPinImpl_QueryId,
|
|
IPinImpl_QueryAccept,
|
|
IPinImpl_EnumMediaTypes,
|
|
IPinImpl_QueryInternalConnections,
|
|
OutputPin_EndOfStream,
|
|
OutputPin_BeginFlush,
|
|
OutputPin_EndFlush,
|
|
OutputPin_NewSegment
|
|
};
|
|
|
|
HRESULT OutputPin_GetDeliveryBuffer(OutputPin * This, IMediaSample ** ppSample, REFERENCE_TIME * tStart, REFERENCE_TIME * tStop, DWORD dwFlags)
|
|
{
|
|
HRESULT hr;
|
|
|
|
TRACE("(%p, %p, %p, %x)\n", ppSample, tStart, tStop, dwFlags);
|
|
|
|
EnterCriticalSection(This->pin.pCritSec);
|
|
{
|
|
if (!This->pin.pConnectedTo)
|
|
hr = VFW_E_NOT_CONNECTED;
|
|
else
|
|
{
|
|
IMemAllocator * pAlloc = NULL;
|
|
|
|
hr = IMemInputPin_GetAllocator(This->pMemInputPin, &pAlloc);
|
|
|
|
if (SUCCEEDED(hr))
|
|
hr = IMemAllocator_GetBuffer(pAlloc, ppSample, tStart, tStop, dwFlags);
|
|
|
|
if (SUCCEEDED(hr))
|
|
hr = IMediaSample_SetTime(*ppSample, tStart, tStop);
|
|
|
|
if (pAlloc)
|
|
IMemAllocator_Release(pAlloc);
|
|
}
|
|
}
|
|
LeaveCriticalSection(This->pin.pCritSec);
|
|
|
|
return hr;
|
|
}
|
|
|
|
HRESULT OutputPin_SendSample(OutputPin * This, IMediaSample * pSample)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
IMemInputPin * pMemConnected = NULL;
|
|
PIN_INFO pinInfo;
|
|
|
|
EnterCriticalSection(This->pin.pCritSec);
|
|
{
|
|
if (!This->pin.pConnectedTo || !This->pMemInputPin)
|
|
hr = VFW_E_NOT_CONNECTED;
|
|
else
|
|
{
|
|
/* we don't have the lock held when using This->pMemInputPin,
|
|
* so we need to AddRef it to stop it being deleted while we are
|
|
* using it. Same with its filter. */
|
|
pMemConnected = This->pMemInputPin;
|
|
IMemInputPin_AddRef(pMemConnected);
|
|
hr = IPin_QueryPinInfo(This->pin.pConnectedTo, &pinInfo);
|
|
}
|
|
}
|
|
LeaveCriticalSection(This->pin.pCritSec);
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
/* NOTE: if we are in a critical section when Receive is called
|
|
* then it causes some problems (most notably with the native Video
|
|
* Renderer) if we are re-entered for whatever reason */
|
|
hr = IMemInputPin_Receive(pMemConnected, pSample);
|
|
|
|
/* If the filter's destroyed, tell upstream to stop sending data */
|
|
if(IBaseFilter_Release(pinInfo.pFilter) == 0 && SUCCEEDED(hr))
|
|
hr = S_FALSE;
|
|
}
|
|
if (pMemConnected)
|
|
IMemInputPin_Release(pMemConnected);
|
|
|
|
return hr;
|
|
}
|
|
|
|
HRESULT OutputPin_DeliverNewSegment(OutputPin * This, REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate)
|
|
{
|
|
HRESULT hr;
|
|
|
|
EnterCriticalSection(This->pin.pCritSec);
|
|
{
|
|
if (!This->pin.pConnectedTo)
|
|
hr = VFW_E_NOT_CONNECTED;
|
|
else
|
|
hr = IPin_NewSegment(This->pin.pConnectedTo, tStart, tStop, dRate);
|
|
}
|
|
LeaveCriticalSection(This->pin.pCritSec);
|
|
|
|
return hr;
|
|
}
|
|
|
|
HRESULT OutputPin_CommitAllocator(OutputPin * This)
|
|
{
|
|
HRESULT hr;
|
|
|
|
TRACE("(%p)->()\n", This);
|
|
|
|
EnterCriticalSection(This->pin.pCritSec);
|
|
{
|
|
if (!This->pin.pConnectedTo || !This->pMemInputPin)
|
|
hr = VFW_E_NOT_CONNECTED;
|
|
else
|
|
{
|
|
IMemAllocator * pAlloc = NULL;
|
|
|
|
hr = IMemInputPin_GetAllocator(This->pMemInputPin, &pAlloc);
|
|
|
|
if (SUCCEEDED(hr))
|
|
hr = IMemAllocator_Commit(pAlloc);
|
|
|
|
if (pAlloc)
|
|
IMemAllocator_Release(pAlloc);
|
|
}
|
|
}
|
|
LeaveCriticalSection(This->pin.pCritSec);
|
|
|
|
return hr;
|
|
}
|
|
|
|
HRESULT OutputPin_DeliverDisconnect(OutputPin * This)
|
|
{
|
|
HRESULT hr;
|
|
|
|
TRACE("(%p)->()\n", This);
|
|
|
|
EnterCriticalSection(This->pin.pCritSec);
|
|
{
|
|
if (!This->pin.pConnectedTo || !This->pMemInputPin)
|
|
hr = VFW_E_NOT_CONNECTED;
|
|
else
|
|
{
|
|
IMemAllocator * pAlloc = NULL;
|
|
|
|
hr = IMemInputPin_GetAllocator(This->pMemInputPin, &pAlloc);
|
|
|
|
if (SUCCEEDED(hr))
|
|
hr = IMemAllocator_Decommit(pAlloc);
|
|
|
|
if (pAlloc)
|
|
IMemAllocator_Release(pAlloc);
|
|
|
|
if (SUCCEEDED(hr))
|
|
hr = IPin_Disconnect(This->pin.pConnectedTo);
|
|
}
|
|
}
|
|
LeaveCriticalSection(This->pin.pCritSec);
|
|
|
|
return hr;
|
|
}
|
|
|
|
|
|
HRESULT PullPin_Construct(const PIN_INFO * pPinInfo, SAMPLEPROC pSampleProc, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, LPCRITICAL_SECTION pCritSec, IPin ** ppPin)
|
|
{
|
|
PullPin * pPinImpl;
|
|
|
|
*ppPin = NULL;
|
|
|
|
if (pPinInfo->dir != PINDIR_INPUT)
|
|
{
|
|
ERR("Pin direction(%x) != PINDIR_INPUT\n", pPinInfo->dir);
|
|
return E_INVALIDARG;
|
|
}
|
|
|
|
pPinImpl = CoTaskMemAlloc(sizeof(*pPinImpl));
|
|
|
|
if (!pPinImpl)
|
|
return E_OUTOFMEMORY;
|
|
|
|
if (SUCCEEDED(PullPin_Init(pPinInfo, pSampleProc, pUserData, pQueryAccept, pCritSec, pPinImpl)))
|
|
{
|
|
pPinImpl->pin.lpVtbl = &PullPin_Vtbl;
|
|
|
|
*ppPin = (IPin *)(&pPinImpl->pin.lpVtbl);
|
|
return S_OK;
|
|
}
|
|
return E_FAIL;
|
|
}
|
|
|
|
HRESULT PullPin_Init(const PIN_INFO * pPinInfo, SAMPLEPROC pSampleProc, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, LPCRITICAL_SECTION pCritSec, PullPin * pPinImpl)
|
|
{
|
|
/* Common attributes */
|
|
pPinImpl->pin.refCount = 1;
|
|
pPinImpl->pin.pConnectedTo = NULL;
|
|
pPinImpl->pin.fnQueryAccept = pQueryAccept;
|
|
pPinImpl->pin.pUserData = pUserData;
|
|
pPinImpl->pin.pCritSec = pCritSec;
|
|
Copy_PinInfo(&pPinImpl->pin.pinInfo, pPinInfo);
|
|
ZeroMemory(&pPinImpl->pin.mtCurrent, sizeof(AM_MEDIA_TYPE));
|
|
|
|
/* Input pin attributes */
|
|
pPinImpl->fnSampleProc = pSampleProc;
|
|
pPinImpl->fnPreConnect = NULL;
|
|
pPinImpl->pAlloc = NULL;
|
|
pPinImpl->pReader = NULL;
|
|
pPinImpl->hThread = NULL;
|
|
pPinImpl->hEventStateChanged = CreateEventW(NULL, FALSE, TRUE, NULL);
|
|
|
|
pPinImpl->rtStart = 0;
|
|
pPinImpl->rtCurrent = 0;
|
|
pPinImpl->rtStop = ((LONGLONG)0x7fffffff << 32) | 0xffffffff;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT WINAPI PullPin_ReceiveConnection(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
|
|
{
|
|
PIN_DIRECTION pindirReceive;
|
|
HRESULT hr = S_OK;
|
|
PullPin *This = (PullPin *)iface;
|
|
|
|
TRACE("(%p/%p)->(%p, %p)\n", This, iface, pReceivePin, pmt);
|
|
dump_AM_MEDIA_TYPE(pmt);
|
|
|
|
EnterCriticalSection(This->pin.pCritSec);
|
|
{
|
|
if (This->pin.pConnectedTo)
|
|
hr = VFW_E_ALREADY_CONNECTED;
|
|
|
|
if (SUCCEEDED(hr) && (This->pin.fnQueryAccept(This->pin.pUserData, pmt) != S_OK))
|
|
hr = VFW_E_TYPE_NOT_ACCEPTED; /* FIXME: shouldn't we just map common errors onto
|
|
* VFW_E_TYPE_NOT_ACCEPTED and pass the value on otherwise? */
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
IPin_QueryDirection(pReceivePin, &pindirReceive);
|
|
|
|
if (pindirReceive != PINDIR_OUTPUT)
|
|
{
|
|
ERR("Can't connect from non-output pin\n");
|
|
hr = VFW_E_INVALID_DIRECTION;
|
|
}
|
|
}
|
|
|
|
This->pReader = NULL;
|
|
This->pAlloc = NULL;
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
hr = IPin_QueryInterface(pReceivePin, &IID_IAsyncReader, (LPVOID *)&This->pReader);
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
ALLOCATOR_PROPERTIES props;
|
|
props.cBuffers = 3;
|
|
props.cbBuffer = 64 * 1024; /* 64k bytes */
|
|
props.cbAlign = 1;
|
|
props.cbPrefix = 0;
|
|
hr = IAsyncReader_RequestAllocator(This->pReader, NULL, &props, &This->pAlloc);
|
|
}
|
|
|
|
if (SUCCEEDED(hr) && This->fnPreConnect)
|
|
{
|
|
hr = This->fnPreConnect(iface, pReceivePin);
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
CopyMediaType(&This->pin.mtCurrent, pmt);
|
|
This->pin.pConnectedTo = pReceivePin;
|
|
IPin_AddRef(pReceivePin);
|
|
}
|
|
else
|
|
{
|
|
if (This->pReader)
|
|
IAsyncReader_Release(This->pReader);
|
|
This->pReader = NULL;
|
|
if (This->pAlloc)
|
|
IMemAllocator_Release(This->pAlloc);
|
|
This->pAlloc = NULL;
|
|
}
|
|
}
|
|
LeaveCriticalSection(This->pin.pCritSec);
|
|
return hr;
|
|
}
|
|
|
|
HRESULT WINAPI PullPin_QueryInterface(IPin * iface, REFIID riid, LPVOID * ppv)
|
|
{
|
|
PullPin *This = (PullPin *)iface;
|
|
|
|
TRACE("(%p/%p)->(%s, %p)\n", This, iface, qzdebugstr_guid(riid), ppv);
|
|
|
|
*ppv = NULL;
|
|
|
|
if (IsEqualIID(riid, &IID_IUnknown))
|
|
*ppv = (LPVOID)iface;
|
|
else if (IsEqualIID(riid, &IID_IPin))
|
|
*ppv = (LPVOID)iface;
|
|
|
|
if (*ppv)
|
|
{
|
|
IUnknown_AddRef((IUnknown *)(*ppv));
|
|
return S_OK;
|
|
}
|
|
|
|
FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
|
|
|
|
return E_NOINTERFACE;
|
|
}
|
|
|
|
ULONG WINAPI PullPin_Release(IPin * iface)
|
|
{
|
|
PullPin *This = (PullPin *)iface;
|
|
ULONG refCount = InterlockedDecrement(&This->pin.refCount);
|
|
|
|
TRACE("(%p)->() Release from %d\n", This, refCount + 1);
|
|
|
|
if (!refCount)
|
|
{
|
|
if(This->pAlloc)
|
|
IMemAllocator_Release(This->pAlloc);
|
|
if(This->pReader)
|
|
IAsyncReader_Release(This->pReader);
|
|
CloseHandle(This->hEventStateChanged);
|
|
CoTaskMemFree(This);
|
|
return 0;
|
|
}
|
|
return refCount;
|
|
}
|
|
|
|
static DWORD WINAPI PullPin_Thread_Main(LPVOID pv)
|
|
{
|
|
for (;;)
|
|
SleepEx(INFINITE, TRUE);
|
|
}
|
|
|
|
static void CALLBACK PullPin_Thread_Process(ULONG_PTR iface)
|
|
{
|
|
PullPin *This = (PullPin *)iface;
|
|
HRESULT hr;
|
|
|
|
ALLOCATOR_PROPERTIES allocProps;
|
|
|
|
CoInitializeEx(NULL, COINIT_MULTITHREADED);
|
|
|
|
SetEvent(This->hEventStateChanged);
|
|
|
|
hr = IMemAllocator_GetProperties(This->pAlloc, &allocProps);
|
|
|
|
if (This->rtCurrent < This->rtStart)
|
|
This->rtCurrent = MEDIATIME_FROM_BYTES(ALIGNDOWN(BYTES_FROM_MEDIATIME(This->rtStart), allocProps.cbAlign));
|
|
|
|
TRACE("Start\n");
|
|
|
|
while (This->rtCurrent < This->rtStop && hr == S_OK)
|
|
{
|
|
/* FIXME: to improve performance by quite a bit this should be changed
|
|
* so that one sample is processed while one sample is fetched. However,
|
|
* it is harder to debug so for the moment it will stay as it is */
|
|
IMediaSample * pSample = NULL;
|
|
REFERENCE_TIME rtSampleStart;
|
|
REFERENCE_TIME rtSampleStop;
|
|
DWORD_PTR dwUser;
|
|
|
|
TRACE("Process sample\n");
|
|
|
|
hr = IMemAllocator_GetBuffer(This->pAlloc, &pSample, NULL, NULL, 0);
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
rtSampleStart = This->rtCurrent;
|
|
rtSampleStop = rtSampleStart + MEDIATIME_FROM_BYTES(IMediaSample_GetSize(pSample));
|
|
if (rtSampleStop > This->rtStop)
|
|
rtSampleStop = MEDIATIME_FROM_BYTES(ALIGNUP(BYTES_FROM_MEDIATIME(This->rtStop), allocProps.cbAlign));
|
|
hr = IMediaSample_SetTime(pSample, &rtSampleStart, &rtSampleStop);
|
|
This->rtCurrent = rtSampleStop;
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
hr = IAsyncReader_Request(This->pReader, pSample, (ULONG_PTR)0);
|
|
|
|
if (SUCCEEDED(hr))
|
|
hr = IAsyncReader_WaitForNext(This->pReader, 10000, &pSample, &dwUser);
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
rtSampleStop = rtSampleStart + MEDIATIME_FROM_BYTES(IMediaSample_GetActualDataLength(pSample));
|
|
if (rtSampleStop > This->rtStop)
|
|
rtSampleStop = MEDIATIME_FROM_BYTES(ALIGNUP(BYTES_FROM_MEDIATIME(This->rtStop), allocProps.cbAlign));
|
|
hr = IMediaSample_SetTime(pSample, &rtSampleStart, &rtSampleStop);
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
hr = This->fnSampleProc(This->pin.pUserData, pSample);
|
|
else
|
|
ERR("Processing error: %x\n", hr);
|
|
|
|
if (pSample)
|
|
IMediaSample_Release(pSample);
|
|
}
|
|
|
|
CoUninitialize();
|
|
|
|
TRACE("End\n");
|
|
}
|
|
|
|
static void CALLBACK PullPin_Thread_Stop(ULONG_PTR iface)
|
|
{
|
|
PullPin *This = (PullPin *)iface;
|
|
|
|
TRACE("(%p/%p)->()\n", This, (LPVOID)iface);
|
|
|
|
EnterCriticalSection(This->pin.pCritSec);
|
|
{
|
|
HRESULT hr;
|
|
|
|
CloseHandle(This->hThread);
|
|
This->hThread = NULL;
|
|
if (FAILED(hr = IMemAllocator_Decommit(This->pAlloc)))
|
|
ERR("Allocator decommit failed with error %x. Possible memory leak\n", hr);
|
|
}
|
|
LeaveCriticalSection(This->pin.pCritSec);
|
|
|
|
SetEvent(This->hEventStateChanged);
|
|
|
|
IBaseFilter_Release(This->pin.pinInfo.pFilter);
|
|
|
|
ExitThread(0);
|
|
}
|
|
|
|
HRESULT PullPin_InitProcessing(PullPin * This)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
|
|
TRACE("(%p)->()\n", This);
|
|
|
|
assert(!This->hThread);
|
|
|
|
/* if we are connected */
|
|
if (This->pAlloc)
|
|
{
|
|
EnterCriticalSection(This->pin.pCritSec);
|
|
{
|
|
DWORD dwThreadId;
|
|
assert(!This->hThread);
|
|
|
|
/* 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, NULL, 0, &dwThreadId);
|
|
if (!This->hThread)
|
|
{
|
|
hr = HRESULT_FROM_WIN32(GetLastError());
|
|
IBaseFilter_Release(This->pin.pinInfo.pFilter);
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
hr = IMemAllocator_Commit(This->pAlloc);
|
|
}
|
|
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);
|
|
|
|
ResetEvent(This->hEventStateChanged);
|
|
|
|
if (!QueueUserAPC(PullPin_Thread_Process, This->hThread, (ULONG_PTR)This))
|
|
return HRESULT_FROM_WIN32(GetLastError());
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT PullPin_PauseProcessing(PullPin * This)
|
|
{
|
|
/* make the processing function exit its loop */
|
|
This->rtStop = 0;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT PullPin_StopProcessing(PullPin * This)
|
|
{
|
|
/* if we are connected */
|
|
if (This->pAlloc)
|
|
{
|
|
assert(This->hThread);
|
|
|
|
ResetEvent(This->hEventStateChanged);
|
|
|
|
PullPin_PauseProcessing(This);
|
|
|
|
if (!QueueUserAPC(PullPin_Thread_Stop, This->hThread, (ULONG_PTR)This))
|
|
return HRESULT_FROM_WIN32(GetLastError());
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT PullPin_WaitForStateChange(PullPin * This, DWORD dwMilliseconds)
|
|
{
|
|
if (WaitForSingleObject(This->hEventStateChanged, dwMilliseconds) == WAIT_TIMEOUT)
|
|
return S_FALSE;
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT PullPin_Seek(PullPin * This, REFERENCE_TIME rtStart, REFERENCE_TIME rtStop)
|
|
{
|
|
FIXME("(%p)->(%x%08x, %x%08x)\n", This, (LONG)(rtStart >> 32), (LONG)rtStart, (LONG)(rtStop >> 32), (LONG)rtStop);
|
|
|
|
PullPin_BeginFlush((IPin *)This);
|
|
/* FIXME: need critical section? */
|
|
This->rtStart = rtStart;
|
|
This->rtStop = rtStop;
|
|
PullPin_EndFlush((IPin *)This);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT WINAPI PullPin_EndOfStream(IPin * iface)
|
|
{
|
|
FIXME("(%p)->()\n", iface);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
HRESULT WINAPI PullPin_BeginFlush(IPin * iface)
|
|
{
|
|
FIXME("(%p)->()\n", iface);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
HRESULT WINAPI PullPin_EndFlush(IPin * iface)
|
|
{
|
|
FIXME("(%p)->()\n", iface);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
HRESULT WINAPI PullPin_NewSegment(IPin * iface, REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate)
|
|
{
|
|
FIXME("(%p)->(%s, %s, %g)\n", iface, wine_dbgstr_longlong(tStart), wine_dbgstr_longlong(tStop), dRate);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static const IPinVtbl PullPin_Vtbl =
|
|
{
|
|
PullPin_QueryInterface,
|
|
IPinImpl_AddRef,
|
|
PullPin_Release,
|
|
OutputPin_Connect,
|
|
PullPin_ReceiveConnection,
|
|
IPinImpl_Disconnect,
|
|
IPinImpl_ConnectedTo,
|
|
IPinImpl_ConnectionMediaType,
|
|
IPinImpl_QueryPinInfo,
|
|
IPinImpl_QueryDirection,
|
|
IPinImpl_QueryId,
|
|
IPinImpl_QueryAccept,
|
|
IPinImpl_EnumMediaTypes,
|
|
IPinImpl_QueryInternalConnections,
|
|
PullPin_EndOfStream,
|
|
PullPin_BeginFlush,
|
|
PullPin_EndFlush,
|
|
PullPin_NewSegment
|
|
};
|