Sweden-Number/dlls/quartz/nullrenderer.c

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/*
* Null Renderer (Promiscuous, not rendering anything at all!)
*
* Copyright 2004 Christian Costa
* Copyright 2008 Maarten Lankhorst
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#define NONAMELESSSTRUCT
#define NONAMELESSUNION
#include "quartz_private.h"
#include "control_private.h"
#include "pin.h"
#include "uuids.h"
#include "vfwmsgs.h"
#include "amvideo.h"
#include "windef.h"
#include "winbase.h"
#include "dshow.h"
#include "evcode.h"
#include "strmif.h"
#include "ddraw.h"
#include "wine/unicode.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(quartz);
static const WCHAR wcsInputPinName[] = {'i','n','p','u','t',' ','p','i','n',0};
static const WCHAR wcsAltInputPinName[] = {'I','n',0};
static const IBaseFilterVtbl NullRenderer_Vtbl;
static const IUnknownVtbl IInner_VTable;
static const IPinVtbl NullRenderer_InputPin_Vtbl;
typedef struct NullRendererImpl
{
BaseFilter filter;
const IUnknownVtbl * IInner_vtbl;
IUnknown *seekthru_unk;
BaseInputPin *pInputPin;
IUnknown * pUnkOuter;
BOOL bUnkOuterValid;
BOOL bAggregatable;
} NullRendererImpl;
static HRESULT WINAPI NullRenderer_Receive(BaseInputPin *pin, IMediaSample * pSample)
{
NullRendererImpl *This = ((NullRendererImpl*)pin->pin.pinInfo.pFilter);
HRESULT hr = S_OK;
REFERENCE_TIME start, stop;
TRACE("%p %p\n", pin, pSample);
if (SUCCEEDED(IMediaSample_GetTime(pSample, &start, &stop)))
MediaSeekingPassThru_RegisterMediaTime(This->seekthru_unk, start);
EnterCriticalSection(&This->filter.csFilter);
if (This->pInputPin->flushing || This->pInputPin->end_of_stream)
hr = S_FALSE;
LeaveCriticalSection(&This->filter.csFilter);
return hr;
}
static HRESULT WINAPI NullRenderer_CheckMediaType(BasePin *iface, const AM_MEDIA_TYPE * pmt)
{
TRACE("Not a stub!\n");
return S_OK;
}
static IPin* WINAPI NullRenderer_GetPin(BaseFilter *iface, int pos)
{
NullRendererImpl *This = (NullRendererImpl *)iface;
if (pos >= 1 || pos < 0)
return NULL;
IPin_AddRef((IPin *)This->pInputPin);
return (IPin *)This->pInputPin;
}
static LONG WINAPI NullRenderer_GetPinCount(BaseFilter *iface)
{
return 1;
}
static const BaseFilterFuncTable BaseFuncTable = {
NullRenderer_GetPin,
NullRenderer_GetPinCount
};
static const BasePinFuncTable input_BaseFuncTable = {
NullRenderer_CheckMediaType,
NULL
};
static const BaseInputPinFuncTable input_BaseInputFuncTable = {
NullRenderer_Receive
};
HRESULT NullRenderer_create(IUnknown * pUnkOuter, LPVOID * ppv)
{
HRESULT hr;
PIN_INFO piInput;
NullRendererImpl * pNullRenderer;
TRACE("(%p, %p)\n", pUnkOuter, ppv);
*ppv = NULL;
pNullRenderer = CoTaskMemAlloc(sizeof(NullRendererImpl));
pNullRenderer->pUnkOuter = pUnkOuter;
pNullRenderer->bUnkOuterValid = FALSE;
pNullRenderer->bAggregatable = FALSE;
pNullRenderer->IInner_vtbl = &IInner_VTable;
BaseFilter_Init(&pNullRenderer->filter, &NullRenderer_Vtbl, &CLSID_NullRenderer, (DWORD_PTR)(__FILE__ ": NullRendererImpl.csFilter"), &BaseFuncTable);
/* construct input pin */
piInput.dir = PINDIR_INPUT;
piInput.pFilter = (IBaseFilter *)pNullRenderer;
lstrcpynW(piInput.achName, wcsInputPinName, sizeof(piInput.achName) / sizeof(piInput.achName[0]));
hr = BaseInputPin_Construct(&NullRenderer_InputPin_Vtbl, &piInput, &input_BaseFuncTable, &input_BaseInputFuncTable, &pNullRenderer->filter.csFilter, NULL, (IPin **)&pNullRenderer->pInputPin);
if (SUCCEEDED(hr))
{
ISeekingPassThru *passthru;
hr = CoCreateInstance(&CLSID_SeekingPassThru, pUnkOuter ? pUnkOuter : (IUnknown*)&pNullRenderer->IInner_vtbl, CLSCTX_INPROC_SERVER, &IID_IUnknown, (void**)&pNullRenderer->seekthru_unk);
if (FAILED(hr)) {
IUnknown_Release((IUnknown*)pNullRenderer);
return hr;
}
IUnknown_QueryInterface(pNullRenderer->seekthru_unk, &IID_ISeekingPassThru, (void**)&passthru);
ISeekingPassThru_Init(passthru, TRUE, (IPin*)pNullRenderer->pInputPin);
ISeekingPassThru_Release(passthru);
*ppv = pNullRenderer;
}
else
{
BaseFilterImpl_Release((IBaseFilter*)pNullRenderer);
CoTaskMemFree(pNullRenderer);
}
return hr;
}
static HRESULT WINAPI NullRendererInner_QueryInterface(IUnknown * iface, REFIID riid, LPVOID * ppv)
{
ICOM_THIS_MULTI(NullRendererImpl, IInner_vtbl, iface);
TRACE("(%p/%p)->(%s, %p)\n", This, iface, qzdebugstr_guid(riid), ppv);
if (This->bAggregatable)
This->bUnkOuterValid = TRUE;
*ppv = NULL;
if (IsEqualIID(riid, &IID_IUnknown))
*ppv = &This->IInner_vtbl;
else if (IsEqualIID(riid, &IID_IPersist))
*ppv = This;
else if (IsEqualIID(riid, &IID_IMediaFilter))
*ppv = This;
else if (IsEqualIID(riid, &IID_IBaseFilter))
*ppv = This;
else if (IsEqualIID(riid, &IID_IMediaSeeking))
return IUnknown_QueryInterface(This->seekthru_unk, riid, ppv);
if (*ppv)
{
IUnknown_AddRef((IUnknown *)(*ppv));
return S_OK;
}
if (!IsEqualIID(riid, &IID_IPin) && !IsEqualIID(riid, &IID_IVideoWindow))
FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
return E_NOINTERFACE;
}
static ULONG WINAPI NullRendererInner_AddRef(IUnknown * iface)
{
ICOM_THIS_MULTI(NullRendererImpl, IInner_vtbl, iface);
ULONG refCount = InterlockedIncrement(&This->filter.refCount);
TRACE("(%p/%p)->() AddRef from %d\n", This, iface, refCount - 1);
return refCount;
}
static ULONG WINAPI NullRendererInner_Release(IUnknown * iface)
{
ICOM_THIS_MULTI(NullRendererImpl, IInner_vtbl, iface);
ULONG refCount = InterlockedDecrement(&This->filter.refCount);
TRACE("(%p/%p)->() Release from %d\n", This, iface, refCount + 1);
if (!refCount)
{
IPin *pConnectedTo;
if (SUCCEEDED(IPin_ConnectedTo((IPin *)This->pInputPin, &pConnectedTo)))
{
IPin_Disconnect(pConnectedTo);
IPin_Release(pConnectedTo);
}
IPin_Disconnect((IPin *)This->pInputPin);
IPin_Release((IPin *)This->pInputPin);
This->filter.lpVtbl = NULL;
if (This->seekthru_unk)
IUnknown_Release(This->seekthru_unk);
This->filter.csFilter.DebugInfo->Spare[0] = 0;
DeleteCriticalSection(&This->filter.csFilter);
TRACE("Destroying Null Renderer\n");
CoTaskMemFree(This);
return 0;
}
else
return refCount;
}
static const IUnknownVtbl IInner_VTable =
{
NullRendererInner_QueryInterface,
NullRendererInner_AddRef,
NullRendererInner_Release
};
static HRESULT WINAPI NullRenderer_QueryInterface(IBaseFilter * iface, REFIID riid, LPVOID * ppv)
{
NullRendererImpl *This = (NullRendererImpl *)iface;
if (This->bAggregatable)
This->bUnkOuterValid = TRUE;
if (This->pUnkOuter)
{
if (This->bAggregatable)
return IUnknown_QueryInterface(This->pUnkOuter, riid, ppv);
if (IsEqualIID(riid, &IID_IUnknown))
{
HRESULT hr;
IUnknown_AddRef((IUnknown *)&(This->IInner_vtbl));
hr = IUnknown_QueryInterface((IUnknown *)&(This->IInner_vtbl), riid, ppv);
IUnknown_Release((IUnknown *)&(This->IInner_vtbl));
This->bAggregatable = TRUE;
return hr;
}
*ppv = NULL;
return E_NOINTERFACE;
}
return IUnknown_QueryInterface((IUnknown *)&(This->IInner_vtbl), riid, ppv);
}
static ULONG WINAPI NullRenderer_AddRef(IBaseFilter * iface)
{
NullRendererImpl *This = (NullRendererImpl *)iface;
if (This->pUnkOuter && This->bUnkOuterValid)
return IUnknown_AddRef(This->pUnkOuter);
return IUnknown_AddRef((IUnknown *)&(This->IInner_vtbl));
}
static ULONG WINAPI NullRenderer_Release(IBaseFilter * iface)
{
NullRendererImpl *This = (NullRendererImpl *)iface;
if (This->pUnkOuter && This->bUnkOuterValid)
return IUnknown_Release(This->pUnkOuter);
return IUnknown_Release((IUnknown *)&(This->IInner_vtbl));
}
/** IMediaFilter methods **/
static HRESULT WINAPI NullRenderer_Stop(IBaseFilter * iface)
{
NullRendererImpl *This = (NullRendererImpl *)iface;
TRACE("(%p/%p)->()\n", This, iface);
EnterCriticalSection(&This->filter.csFilter);
{
This->filter.state = State_Stopped;
MediaSeekingPassThru_ResetMediaTime(This->seekthru_unk);
}
LeaveCriticalSection(&This->filter.csFilter);
return S_OK;
}
static HRESULT WINAPI NullRenderer_Pause(IBaseFilter * iface)
{
NullRendererImpl *This = (NullRendererImpl *)iface;
TRACE("(%p/%p)->()\n", This, iface);
EnterCriticalSection(&This->filter.csFilter);
{
if (This->filter.state == State_Stopped)
This->pInputPin->end_of_stream = 0;
This->filter.state = State_Paused;
}
LeaveCriticalSection(&This->filter.csFilter);
return S_OK;
}
static HRESULT WINAPI NullRenderer_Run(IBaseFilter * iface, REFERENCE_TIME tStart)
{
NullRendererImpl *This = (NullRendererImpl *)iface;
TRACE("(%p/%p)->(%s)\n", This, iface, wine_dbgstr_longlong(tStart));
EnterCriticalSection(&This->filter.csFilter);
{
This->filter.rtStreamStart = tStart;
This->filter.state = State_Running;
This->pInputPin->end_of_stream = 0;
}
LeaveCriticalSection(&This->filter.csFilter);
return S_OK;
}
/** IBaseFilter implementation **/
static HRESULT WINAPI NullRenderer_FindPin(IBaseFilter * iface, LPCWSTR Id, IPin **ppPin)
{
NullRendererImpl *This = (NullRendererImpl *)iface;
TRACE("(%p/%p)->(%p,%p)\n", This, iface, debugstr_w(Id), ppPin);
if (!Id || !ppPin)
return E_POINTER;
if (!lstrcmpiW(Id,wcsInputPinName) || !lstrcmpiW(Id,wcsAltInputPinName))
{
*ppPin = (IPin *)This->pInputPin;
IPin_AddRef(*ppPin);
return S_OK;
}
*ppPin = NULL;
return VFW_E_NOT_FOUND;
}
static const IBaseFilterVtbl NullRenderer_Vtbl =
{
NullRenderer_QueryInterface,
NullRenderer_AddRef,
NullRenderer_Release,
BaseFilterImpl_GetClassID,
NullRenderer_Stop,
NullRenderer_Pause,
NullRenderer_Run,
BaseFilterImpl_GetState,
BaseFilterImpl_SetSyncSource,
BaseFilterImpl_GetSyncSource,
BaseFilterImpl_EnumPins,
NullRenderer_FindPin,
BaseFilterImpl_QueryFilterInfo,
BaseFilterImpl_JoinFilterGraph,
BaseFilterImpl_QueryVendorInfo
};
static HRESULT WINAPI NullRenderer_InputPin_EndOfStream(IPin * iface)
{
BaseInputPin* This = (BaseInputPin*)iface;
IMediaEventSink* pEventSink;
NullRendererImpl *pNull;
IFilterGraph *graph;
HRESULT hr = S_OK;
TRACE("(%p/%p)->()\n", This, iface);
BaseInputPinImpl_EndOfStream(iface);
pNull = (NullRendererImpl*)This->pin.pinInfo.pFilter;
graph = pNull->filter.filterInfo.pGraph;
if (graph)
{
hr = IFilterGraph_QueryInterface(((NullRendererImpl*)This->pin.pinInfo.pFilter)->filter.filterInfo.pGraph, &IID_IMediaEventSink, (LPVOID*)&pEventSink);
if (SUCCEEDED(hr))
{
hr = IMediaEventSink_Notify(pEventSink, EC_COMPLETE, S_OK, 0);
IMediaEventSink_Release(pEventSink);
}
}
MediaSeekingPassThru_EOS(pNull->seekthru_unk);
return hr;
}
static HRESULT WINAPI NullRenderer_InputPin_EndFlush(IPin * iface)
{
BaseInputPin* This = (BaseInputPin*)iface;
NullRendererImpl *pNull;
HRESULT hr = S_OK;
TRACE("(%p/%p)->()\n", This, iface);
hr = BaseInputPinImpl_EndOfStream(iface);
pNull = (NullRendererImpl*)This->pin.pinInfo.pFilter;
MediaSeekingPassThru_ResetMediaTime(pNull->seekthru_unk);
return hr;
}
static const IPinVtbl NullRenderer_InputPin_Vtbl =
{
BaseInputPinImpl_QueryInterface,
BasePinImpl_AddRef,
BaseInputPinImpl_Release,
BaseInputPinImpl_Connect,
BaseInputPinImpl_ReceiveConnection,
BasePinImpl_Disconnect,
BasePinImpl_ConnectedTo,
BasePinImpl_ConnectionMediaType,
BasePinImpl_QueryPinInfo,
BasePinImpl_QueryDirection,
BasePinImpl_QueryId,
BaseInputPinImpl_QueryAccept,
BasePinImpl_EnumMediaTypes,
BasePinImpl_QueryInternalConnections,
NullRenderer_InputPin_EndOfStream,
BaseInputPinImpl_BeginFlush,
NullRenderer_InputPin_EndFlush,
BaseInputPinImpl_NewSegment
};