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1865 lines
51 KiB
C
1865 lines
51 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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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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/*** 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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FreeMediaType(&This->mtCurrent);
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ZeroMemory(&This->mtCurrent, sizeof(This->mtCurrent));
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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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{
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hr = VFW_E_NOT_CONNECTED;
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*ppPin = NULL;
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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_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 = 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_IMemInputPin))
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*ppv = &This->lpVtblMemInput;
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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 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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This->pAllocator = NULL;
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This->pin.lpVtbl = NULL;
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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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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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HRESULT WINAPI InputPin_EndOfStream(IPin * iface)
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{
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HRESULT hr = S_OK;
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InputPin *This = (InputPin *)iface;
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TRACE("(%p)\n", This);
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EnterCriticalSection(This->pin.pCritSec);
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if (This->flushing)
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hr = S_FALSE;
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else
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This->end_of_stream = 1;
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LeaveCriticalSection(This->pin.pCritSec);
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if (hr == S_OK)
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hr = SendFurther( iface, deliver_endofstream, NULL, NULL );
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return hr;
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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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HRESULT WINAPI InputPin_BeginFlush(IPin * iface)
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{
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InputPin *This = (InputPin *)iface;
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HRESULT hr;
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TRACE("() semi-stub\n");
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EnterCriticalSection(This->pin.pCritSec);
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This->flushing = 1;
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if (This->fnCleanProc)
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This->fnCleanProc(This->pin.pUserData);
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hr = SendFurther( iface, deliver_beginflush, NULL, NULL );
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LeaveCriticalSection(This->pin.pCritSec);
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return hr;
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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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HRESULT WINAPI InputPin_EndFlush(IPin * iface)
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{
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InputPin *This = (InputPin *)iface;
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HRESULT hr;
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TRACE("(%p)\n", This);
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EnterCriticalSection(This->pin.pCritSec);
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This->flushing = This->end_of_stream = 0;
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hr = SendFurther( iface, deliver_endflush, NULL, NULL );
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LeaveCriticalSection(This->pin.pCritSec);
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return hr;
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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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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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newsegmentargs args;
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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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args.tStart = This->tStart = tStart;
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args.tStop = This->tStop = tStop;
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args.rate = This->dRate = dRate;
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return SendFurther( iface, deliver_newsegment, &args, NULL );
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}
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static const IPinVtbl InputPin_Vtbl =
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{
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InputPin_QueryInterface,
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IPinImpl_AddRef,
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InputPin_Release,
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InputPin_Connect,
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InputPin_ReceiveConnection,
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IPinImpl_Disconnect,
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IPinImpl_ConnectedTo,
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IPinImpl_ConnectionMediaType,
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IPinImpl_QueryPinInfo,
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IPinImpl_QueryDirection,
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IPinImpl_QueryId,
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IPinImpl_QueryAccept,
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IPinImpl_EnumMediaTypes,
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IPinImpl_QueryInternalConnections,
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InputPin_EndOfStream,
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InputPin_BeginFlush,
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InputPin_EndFlush,
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InputPin_NewSegment
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};
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|
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/*** IMemInputPin implementation ***/
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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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|
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static HRESULT WINAPI MemInputPin_QueryInterface(IMemInputPin * iface, REFIID riid, LPVOID * ppv)
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{
|
|
InputPin *This = impl_from_IMemInputPin(iface);
|
|
|
|
return IPin_QueryInterface((IPin *)&This->pin, riid, ppv);
|
|
}
|
|
|
|
static ULONG WINAPI MemInputPin_AddRef(IMemInputPin * iface)
|
|
{
|
|
InputPin *This = impl_from_IMemInputPin(iface);
|
|
|
|
return IPin_AddRef((IPin *)&This->pin);
|
|
}
|
|
|
|
static ULONG WINAPI MemInputPin_Release(IMemInputPin * iface)
|
|
{
|
|
InputPin *This = impl_from_IMemInputPin(iface);
|
|
|
|
return IPin_Release((IPin *)&This->pin);
|
|
}
|
|
|
|
static 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;
|
|
}
|
|
|
|
static 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 (bReadOnly)
|
|
FIXME("Read only flag not handled yet!\n");
|
|
|
|
/* FIXME: Should we release the allocator on disconnection? */
|
|
if (!pAllocator)
|
|
{
|
|
WARN("Null allocator\n");
|
|
return E_POINTER;
|
|
}
|
|
|
|
if (This->preferred_allocator && pAllocator != This->preferred_allocator)
|
|
return E_FAIL;
|
|
|
|
if (This->pAllocator)
|
|
IMemAllocator_Release(This->pAllocator);
|
|
This->pAllocator = pAllocator;
|
|
if (This->pAllocator)
|
|
IMemAllocator_AddRef(This->pAllocator);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static 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;
|
|
}
|
|
|
|
static HRESULT WINAPI MemInputPin_Receive(IMemInputPin * iface, IMediaSample * pSample)
|
|
{
|
|
InputPin *This = impl_from_IMemInputPin(iface);
|
|
HRESULT hr;
|
|
|
|
/* this trace commented out for performance reasons */
|
|
/*TRACE("(%p/%p)->(%p)\n", This, iface, pSample);*/
|
|
hr = This->fnSampleProc(This->pin.pUserData, pSample);
|
|
return hr;
|
|
}
|
|
|
|
static 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, %d, %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;
|
|
}
|
|
|
|
static HRESULT WINAPI MemInputPin_ReceiveCanBlock(IMemInputPin * iface)
|
|
{
|
|
InputPin *This = impl_from_IMemInputPin(iface);
|
|
|
|
TRACE("(%p/%p)->()\n", This, iface);
|
|
|
|
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
|
|
};
|
|
|
|
/*** OutputPin implementation ***/
|
|
|
|
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 = iface;
|
|
else if (IsEqualIID(riid, &IID_IPin))
|
|
*ppv = iface;
|
|
else if (IsEqualIID(riid, &IID_IMediaSeeking))
|
|
{
|
|
return IBaseFilter_QueryInterface(This->pin.pinInfo.pFilter, &IID_IMediaSeeking, ppv);
|
|
}
|
|
|
|
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 = NULL; /* 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))
|
|
{
|
|
assert(pmtCandidate);
|
|
dump_AM_MEDIA_TYPE(pmtCandidate);
|
|
if (!IsEqualGUID(&FORMAT_None, &pmtCandidate->formattype)
|
|
&& !IsEqualGUID(&GUID_NULL, &pmtCandidate->formattype))
|
|
assert(pmtCandidate->pbFormat);
|
|
if (( !pmt || CompareMediaTypes(pmt, pmtCandidate, TRUE) ) &&
|
|
(This->pConnectSpecific(iface, pReceivePin, pmtCandidate) == S_OK))
|
|
{
|
|
hr = S_OK;
|
|
DeleteMediaType(pmtCandidate);
|
|
break;
|
|
}
|
|
DeleteMediaType(pmtCandidate);
|
|
pmtCandidate = NULL;
|
|
}
|
|
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))
|
|
{
|
|
assert(pmtCandidate);
|
|
dump_AM_MEDIA_TYPE(pmtCandidate);
|
|
if (( !pmt || CompareMediaTypes(pmt, pmtCandidate, TRUE) ) &&
|
|
(This->pConnectSpecific(iface, pReceivePin, pmtCandidate) == S_OK))
|
|
{
|
|
hr = S_OK;
|
|
DeleteMediaType(pmtCandidate);
|
|
break;
|
|
}
|
|
DeleteMediaType(pmtCandidate);
|
|
pmtCandidate = NULL;
|
|
} /* 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;
|
|
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 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_CommitAllocator(OutputPin * This)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
|
|
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);
|
|
|
|
TRACE("--> %08x\n", hr);
|
|
return hr;
|
|
}
|
|
|
|
HRESULT OutputPin_DecommitAllocator(OutputPin * This)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
|
|
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);
|
|
}
|
|
}
|
|
LeaveCriticalSection(This->pin.pCritSec);
|
|
|
|
TRACE("--> %08x\n", hr);
|
|
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 if (!This->custom_allocator)
|
|
{
|
|
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);
|
|
}
|
|
else /* Kill the allocator! */
|
|
{
|
|
hr = IPin_Disconnect(This->pin.pConnectedTo);
|
|
}
|
|
IPin_Disconnect((IPin *)This);
|
|
}
|
|
LeaveCriticalSection(This->pin.pCritSec);
|
|
|
|
return hr;
|
|
}
|
|
|
|
/*** PullPin implementation ***/
|
|
|
|
static HRESULT PullPin_Init(const IPinVtbl *PullPin_Vtbl, const PIN_INFO * pPinInfo, SAMPLEPROC_PULL pSampleProc, LPVOID pUserData,
|
|
QUERYACCEPTPROC pQueryAccept, CLEANUPPROC pCleanUp, REQUESTPROC pCustomRequest, STOPPROCESSPROC pDone, LPCRITICAL_SECTION pCritSec, PullPin * pPinImpl)
|
|
{
|
|
/* Common attributes */
|
|
pPinImpl->pin.lpVtbl = PullPin_Vtbl;
|
|
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->fnCleanProc = pCleanUp;
|
|
pPinImpl->fnDone = pDone;
|
|
pPinImpl->fnPreConnect = NULL;
|
|
pPinImpl->pAlloc = NULL;
|
|
pPinImpl->pReader = NULL;
|
|
pPinImpl->hThread = NULL;
|
|
pPinImpl->hEventStateChanged = CreateEventW(NULL, TRUE, TRUE, NULL);
|
|
pPinImpl->thread_sleepy = CreateEventW(NULL, FALSE, FALSE, NULL);
|
|
|
|
pPinImpl->rtStart = 0;
|
|
pPinImpl->rtCurrent = 0;
|
|
pPinImpl->rtStop = ((LONGLONG)0x7fffffff << 32) | 0xffffffff;
|
|
pPinImpl->dRate = 1.0;
|
|
pPinImpl->state = Req_Die;
|
|
pPinImpl->fnCustomRequest = pCustomRequest;
|
|
pPinImpl->stop_playback = 1;
|
|
|
|
InitializeCriticalSection(&pPinImpl->thread_lock);
|
|
pPinImpl->thread_lock.DebugInfo->Spare[0] = (DWORD_PTR)( __FILE__ ": PullPin.thread_lock");
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
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)
|
|
{
|
|
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(PullPin_Vtbl, pPinInfo, pSampleProc, pUserData, pQueryAccept, pCleanUp, pCustomRequest, pDone, pCritSec, pPinImpl)))
|
|
{
|
|
*ppPin = (IPin *)(&pPinImpl->pin.lpVtbl);
|
|
return S_OK;
|
|
}
|
|
|
|
CoTaskMemFree(pPinImpl);
|
|
return E_FAIL;
|
|
}
|
|
|
|
static HRESULT PullPin_InitProcessing(PullPin * This);
|
|
|
|
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)
|
|
{
|
|
ALLOCATOR_PROPERTIES props;
|
|
|
|
props.cBuffers = 3;
|
|
props.cbBuffer = 64 * 1024; /* 64k bytes */
|
|
props.cbAlign = 1;
|
|
props.cbPrefix = 0;
|
|
|
|
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) && This->fnPreConnect)
|
|
{
|
|
hr = This->fnPreConnect(iface, pReceivePin, &props);
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
hr = IAsyncReader_RequestAllocator(This->pReader, NULL, &props, &This->pAlloc);
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
CopyMediaType(&This->pin.mtCurrent, pmt);
|
|
This->pin.pConnectedTo = pReceivePin;
|
|
IPin_AddRef(pReceivePin);
|
|
hr = IMemAllocator_Commit(This->pAlloc);
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
hr = PullPin_InitProcessing(This);
|
|
|
|
if (FAILED(hr))
|
|
{
|
|
if (This->pReader)
|
|
IAsyncReader_Release(This->pReader);
|
|
This->pReader = NULL;
|
|
if (This->pAlloc)
|
|
IMemAllocator_Release(This->pAlloc);
|
|
This->pAlloc = NULL;
|
|
}
|
|
}
|
|
else
|
|
hr = VFW_E_ALREADY_CONNECTED;
|
|
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 = iface;
|
|
else if (IsEqualIID(riid, &IID_IPin))
|
|
*ppv = iface;
|
|
else if (IsEqualIID(riid, &IID_IMediaSeeking))
|
|
{
|
|
return IBaseFilter_QueryInterface(This->pin.pinInfo.pFilter, &IID_IMediaSeeking, ppv);
|
|
}
|
|
|
|
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)
|
|
{
|
|
WaitForSingleObject(This->hEventStateChanged, INFINITE);
|
|
assert(!This->hThread);
|
|
|
|
if(This->pAlloc)
|
|
IMemAllocator_Release(This->pAlloc);
|
|
if(This->pReader)
|
|
IAsyncReader_Release(This->pReader);
|
|
CloseHandle(This->thread_sleepy);
|
|
CloseHandle(This->hEventStateChanged);
|
|
This->thread_lock.DebugInfo->Spare[0] = 0;
|
|
DeleteCriticalSection(&This->thread_lock);
|
|
CoTaskMemFree(This);
|
|
return 0;
|
|
}
|
|
return refCount;
|
|
}
|
|
|
|
static void PullPin_Flush(PullPin *This)
|
|
{
|
|
IMediaSample *pSample;
|
|
TRACE("Flushing!\n");
|
|
|
|
if (This->pReader)
|
|
{
|
|
/* Flush outstanding samples */
|
|
IAsyncReader_BeginFlush(This->pReader);
|
|
|
|
for (;;)
|
|
{
|
|
DWORD_PTR dwUser;
|
|
|
|
IAsyncReader_WaitForNext(This->pReader, 0, &pSample, &dwUser);
|
|
|
|
if (!pSample)
|
|
break;
|
|
|
|
assert(!IMediaSample_GetActualDataLength(pSample));
|
|
|
|
IMediaSample_Release(pSample);
|
|
}
|
|
|
|
IAsyncReader_EndFlush(This->pReader);
|
|
}
|
|
}
|
|
|
|
static void PullPin_Thread_Process(PullPin *This)
|
|
{
|
|
HRESULT hr;
|
|
IMediaSample * pSample = NULL;
|
|
ALLOCATOR_PROPERTIES allocProps;
|
|
|
|
hr = IMemAllocator_GetProperties(This->pAlloc, &allocProps);
|
|
|
|
This->cbAlign = allocProps.cbAlign;
|
|
|
|
if (This->rtCurrent < This->rtStart)
|
|
This->rtCurrent = MEDIATIME_FROM_BYTES(ALIGNDOWN(BYTES_FROM_MEDIATIME(This->rtStart), This->cbAlign));
|
|
|
|
TRACE("Start\n");
|
|
|
|
if (This->rtCurrent >= This->rtStop)
|
|
{
|
|
IPin_EndOfStream((IPin *)This);
|
|
return;
|
|
}
|
|
|
|
/* There is no sample in our buffer */
|
|
hr = This->fnCustomRequest(This->pin.pUserData);
|
|
|
|
if (FAILED(hr))
|
|
ERR("Request error: %x\n", hr);
|
|
|
|
EnterCriticalSection(This->pin.pCritSec);
|
|
SetEvent(This->hEventStateChanged);
|
|
LeaveCriticalSection(This->pin.pCritSec);
|
|
|
|
if (SUCCEEDED(hr))
|
|
do
|
|
{
|
|
DWORD_PTR dwUser;
|
|
|
|
TRACE("Process sample\n");
|
|
|
|
pSample = NULL;
|
|
hr = IAsyncReader_WaitForNext(This->pReader, 10000, &pSample, &dwUser);
|
|
|
|
/* Return an empty sample on error to the implementation in case it does custom parsing, so it knows it's gone */
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
hr = This->fnSampleProc(This->pin.pUserData, pSample, dwUser);
|
|
}
|
|
else
|
|
{
|
|
/* FIXME: This is not well handled yet! */
|
|
ERR("Processing error: %x\n", hr);
|
|
if (hr == VFW_E_TIMEOUT)
|
|
{
|
|
assert(!pSample);
|
|
hr = S_OK;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if (pSample)
|
|
{
|
|
IMediaSample_Release(pSample);
|
|
pSample = NULL;
|
|
}
|
|
} while (This->rtCurrent < This->rtStop && hr == S_OK && !This->stop_playback);
|
|
|
|
/* Sample was rejected, and we are asked to terminate */
|
|
if (pSample)
|
|
{
|
|
IMediaSample_Release(pSample);
|
|
}
|
|
|
|
/* Can't reset state to Sleepy here because that might race, instead PauseProcessing will do that for us
|
|
* Flush remaining samples
|
|
*/
|
|
if (This->fnDone)
|
|
This->fnDone(This->pin.pUserData);
|
|
|
|
TRACE("End: %08x, %d\n", hr, This->stop_playback);
|
|
}
|
|
|
|
static void PullPin_Thread_Pause(PullPin *This)
|
|
{
|
|
PullPin_Flush(This);
|
|
|
|
EnterCriticalSection(This->pin.pCritSec);
|
|
This->state = Req_Sleepy;
|
|
SetEvent(This->hEventStateChanged);
|
|
LeaveCriticalSection(This->pin.pCritSec);
|
|
}
|
|
|
|
static void PullPin_Thread_Stop(PullPin *This)
|
|
{
|
|
TRACE("(%p)->()\n", This);
|
|
|
|
EnterCriticalSection(This->pin.pCritSec);
|
|
{
|
|
CloseHandle(This->hThread);
|
|
This->hThread = NULL;
|
|
SetEvent(This->hEventStateChanged);
|
|
}
|
|
LeaveCriticalSection(This->pin.pCritSec);
|
|
|
|
IBaseFilter_Release(This->pin.pinInfo.pFilter);
|
|
|
|
CoUninitialize();
|
|
ExitThread(0);
|
|
}
|
|
|
|
static DWORD WINAPI PullPin_Thread_Main(LPVOID pv)
|
|
{
|
|
PullPin *This = pv;
|
|
CoInitializeEx(NULL, COINIT_MULTITHREADED);
|
|
|
|
PullPin_Flush(This);
|
|
|
|
for (;;)
|
|
{
|
|
WaitForSingleObject(This->thread_sleepy, INFINITE);
|
|
|
|
TRACE("State: %d\n", This->state);
|
|
|
|
switch (This->state)
|
|
{
|
|
case Req_Die: PullPin_Thread_Stop(This); break;
|
|
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_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->pin.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,
|
|
IPinImpl_AddRef,
|
|
PullPin_Release,
|
|
InputPin_Connect,
|
|
PullPin_ReceiveConnection,
|
|
PullPin_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
|
|
};
|
|
|
|
/*** The Construct functions ***/
|
|
|
|
/* Function called as a helper to IPin_Connect */
|
|
/* specific AM_MEDIA_TYPE - it cannot be NULL */
|
|
/* NOTE: not part of standard interface */
|
|
static HRESULT OutputPin_ConnectSpecific(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
|
|
{
|
|
OutputPin *This = (OutputPin *)iface;
|
|
HRESULT hr;
|
|
IMemAllocator * pMemAlloc = NULL;
|
|
ALLOCATOR_PROPERTIES actual; /* FIXME: should we put the actual props back in to This? */
|
|
|
|
TRACE("(%p, %p)\n", pReceivePin, pmt);
|
|
dump_AM_MEDIA_TYPE(pmt);
|
|
|
|
/* FIXME: call queryacceptproc */
|
|
|
|
This->pin.pConnectedTo = pReceivePin;
|
|
IPin_AddRef(pReceivePin);
|
|
CopyMediaType(&This->pin.mtCurrent, pmt);
|
|
|
|
hr = IPin_ReceiveConnection(pReceivePin, iface, pmt);
|
|
|
|
/* get the IMemInputPin interface we will use to deliver samples to the
|
|
* connected pin */
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
This->pMemInputPin = NULL;
|
|
hr = IPin_QueryInterface(pReceivePin, &IID_IMemInputPin, (LPVOID)&This->pMemInputPin);
|
|
|
|
if (SUCCEEDED(hr) && !This->custom_allocator)
|
|
{
|
|
hr = IMemInputPin_GetAllocator(This->pMemInputPin, &pMemAlloc);
|
|
|
|
if (hr == VFW_E_NO_ALLOCATOR)
|
|
/* Input pin provides no allocator, use standard memory allocator */
|
|
hr = CoCreateInstance(&CLSID_MemoryAllocator, NULL, CLSCTX_INPROC_SERVER, &IID_IMemAllocator, (LPVOID*)&pMemAlloc);
|
|
|
|
if (SUCCEEDED(hr))
|
|
hr = IMemAllocator_SetProperties(pMemAlloc, &This->allocProps, &actual);
|
|
|
|
if (SUCCEEDED(hr))
|
|
hr = IMemInputPin_NotifyAllocator(This->pMemInputPin, pMemAlloc, This->readonly);
|
|
|
|
if (pMemAlloc)
|
|
IMemAllocator_Release(pMemAlloc);
|
|
}
|
|
else if (SUCCEEDED(hr))
|
|
{
|
|
if (This->alloc)
|
|
{
|
|
hr = IMemInputPin_NotifyAllocator(This->pMemInputPin, This->alloc, This->readonly);
|
|
}
|
|
else
|
|
hr = VFW_E_NO_ALLOCATOR;
|
|
}
|
|
|
|
/* break connection if we couldn't get the allocator */
|
|
if (FAILED(hr))
|
|
{
|
|
if (This->pMemInputPin)
|
|
IMemInputPin_Release(This->pMemInputPin);
|
|
This->pMemInputPin = NULL;
|
|
|
|
IPin_Disconnect(pReceivePin);
|
|
}
|
|
}
|
|
|
|
if (FAILED(hr))
|
|
{
|
|
IPin_Release(This->pin.pConnectedTo);
|
|
This->pin.pConnectedTo = NULL;
|
|
FreeMediaType(&This->pin.mtCurrent);
|
|
}
|
|
|
|
TRACE(" -- %x\n", hr);
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT InputPin_Init(const IPinVtbl *InputPin_Vtbl, const PIN_INFO * pPinInfo, SAMPLEPROC_PUSH pSampleProc, LPVOID pUserData,
|
|
QUERYACCEPTPROC pQueryAccept, CLEANUPPROC pCleanUp, LPCRITICAL_SECTION pCritSec, IMemAllocator *allocator, InputPin * pPinImpl)
|
|
{
|
|
TRACE("\n");
|
|
|
|
/* 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->fnCleanProc = pCleanUp;
|
|
pPinImpl->pAllocator = pPinImpl->preferred_allocator = allocator;
|
|
if (pPinImpl->preferred_allocator)
|
|
IMemAllocator_AddRef(pPinImpl->preferred_allocator);
|
|
pPinImpl->tStart = 0;
|
|
pPinImpl->tStop = 0;
|
|
pPinImpl->dRate = 1.0;
|
|
pPinImpl->pin.lpVtbl = InputPin_Vtbl;
|
|
pPinImpl->lpVtblMemInput = &MemInputPin_Vtbl;
|
|
pPinImpl->flushing = pPinImpl->end_of_stream = 0;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT OutputPin_Init(const IPinVtbl *OutputPin_Vtbl, const PIN_INFO * pPinInfo, const ALLOCATOR_PROPERTIES * props, LPVOID pUserData,
|
|
QUERYACCEPTPROC pQueryAccept, LPCRITICAL_SECTION pCritSec, OutputPin * pPinImpl)
|
|
{
|
|
TRACE("\n");
|
|
|
|
/* Common attributes */
|
|
pPinImpl->pin.lpVtbl = OutputPin_Vtbl;
|
|
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));
|
|
|
|
/* Output pin attributes */
|
|
pPinImpl->pMemInputPin = NULL;
|
|
pPinImpl->pConnectSpecific = OutputPin_ConnectSpecific;
|
|
/* If custom_allocator is set, you will need to specify an allocator
|
|
* in the alloc member of the struct before an output pin can connect
|
|
*/
|
|
pPinImpl->custom_allocator = 0;
|
|
pPinImpl->alloc = NULL;
|
|
pPinImpl->readonly = FALSE;
|
|
if (props)
|
|
{
|
|
pPinImpl->allocProps = *props;
|
|
if (pPinImpl->allocProps.cbAlign == 0)
|
|
pPinImpl->allocProps.cbAlign = 1;
|
|
}
|
|
else
|
|
ZeroMemory(&pPinImpl->allocProps, sizeof(pPinImpl->allocProps));
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT InputPin_Construct(const IPinVtbl *InputPin_Vtbl, const PIN_INFO * pPinInfo, SAMPLEPROC_PUSH pSampleProc, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, CLEANUPPROC pCleanUp, LPCRITICAL_SECTION pCritSec, IMemAllocator *allocator, IPin ** ppPin)
|
|
{
|
|
InputPin * 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(InputPin_Init(InputPin_Vtbl, pPinInfo, pSampleProc, pUserData, pQueryAccept, pCleanUp, pCritSec, allocator, pPinImpl)))
|
|
{
|
|
*ppPin = (IPin *)pPinImpl;
|
|
return S_OK;
|
|
}
|
|
|
|
CoTaskMemFree(pPinImpl);
|
|
return E_FAIL;
|
|
}
|
|
|
|
HRESULT OutputPin_Construct(const IPinVtbl *OutputPin_Vtbl, long outputpin_size, const PIN_INFO * pPinInfo, ALLOCATOR_PROPERTIES *props, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, LPCRITICAL_SECTION pCritSec, IPin ** ppPin)
|
|
{
|
|
OutputPin * pPinImpl;
|
|
|
|
*ppPin = NULL;
|
|
|
|
if (pPinInfo->dir != PINDIR_OUTPUT)
|
|
{
|
|
ERR("Pin direction(%x) != PINDIR_OUTPUT\n", pPinInfo->dir);
|
|
return E_INVALIDARG;
|
|
}
|
|
|
|
assert(outputpin_size >= sizeof(OutputPin));
|
|
|
|
pPinImpl = CoTaskMemAlloc(outputpin_size);
|
|
|
|
if (!pPinImpl)
|
|
return E_OUTOFMEMORY;
|
|
|
|
if (SUCCEEDED(OutputPin_Init(OutputPin_Vtbl, pPinInfo, props, pUserData, pQueryAccept, pCritSec, pPinImpl)))
|
|
{
|
|
*ppPin = (IPin *)(&pPinImpl->pin.lpVtbl);
|
|
return S_OK;
|
|
}
|
|
|
|
CoTaskMemFree(pPinImpl);
|
|
return E_FAIL;
|
|
}
|