Sweden-Number/dlls/strmbase/transform.c

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/*
* Transform Filter (Base for decoders, etc...)
*
* Copyright 2005 Christian Costa
* Copyright 2010 Aric Stewart, CodeWeavers
*
* 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"
#include <stdarg.h>
#define COBJMACROS
#include "windef.h"
#include "winbase.h"
#include "dshow.h"
#include "amvideo.h"
#include "strmif.h"
#include "vfw.h"
#include <assert.h>
#include "wine/unicode.h"
#include "wine/debug.h"
#include "wine/strmbase.h"
WINE_DEFAULT_DEBUG_CHANNEL(strmbase);
static const WCHAR wcsInputPinName[] = {'i','n','p','u','t',' ','p','i','n',0};
static const WCHAR wcsOutputPinName[] = {'o','u','t','p','u','t',' ','p','i','n',0};
static const IBaseFilterVtbl TransformFilter_Vtbl;
static const IPinVtbl TransformFilter_InputPin_Vtbl;
static const IPinVtbl TransformFilter_OutputPin_Vtbl;
static const IQualityControlVtbl TransformFilter_QualityControl_Vtbl;
static HRESULT WINAPI TransformFilter_Input_CheckMediaType(BasePin *iface, const AM_MEDIA_TYPE * pmt)
{
BaseInputPin* This = (BaseInputPin*) iface;
TransformFilter * pTransform;
TRACE("%p\n", iface);
pTransform = (TransformFilter*)This->pin.pinInfo.pFilter;
if (pTransform->pFuncsTable->pfnCheckInputType)
return pTransform->pFuncsTable->pfnCheckInputType(pTransform, pmt);
/* Assume OK if there's no query method (the connection will fail if
needed) */
return S_OK;
}
static HRESULT WINAPI TransformFilter_Input_Receive(BaseInputPin *This, IMediaSample *pInSample)
{
HRESULT hr = S_FALSE;
TransformFilter * pTransform;
TRACE("%p\n", This);
pTransform = (TransformFilter*)This->pin.pinInfo.pFilter;
EnterCriticalSection(&pTransform->csReceive);
if (pTransform->filter.state == State_Stopped)
{
LeaveCriticalSection(&pTransform->csReceive);
return VFW_E_WRONG_STATE;
}
if (This->end_of_stream || This->flushing)
{
LeaveCriticalSection(&pTransform->csReceive);
return S_FALSE;
}
LeaveCriticalSection(&pTransform->csReceive);
if (pTransform->pFuncsTable->pfnReceive)
hr = pTransform->pFuncsTable->pfnReceive(pTransform, pInSample);
else
hr = S_FALSE;
return hr;
}
static HRESULT WINAPI TransformFilter_Output_QueryAccept(IPin *iface, const AM_MEDIA_TYPE * pmt)
{
BasePin *This = (BasePin *)iface;
TransformFilter *pTransformFilter = (TransformFilter *)This->pinInfo.pFilter;
AM_MEDIA_TYPE* outpmt = &pTransformFilter->pmt;
TRACE("%p\n", iface);
if (IsEqualIID(&pmt->majortype, &outpmt->majortype)
&& (IsEqualIID(&pmt->subtype, &outpmt->subtype) || IsEqualIID(&outpmt->subtype, &GUID_NULL)))
return S_OK;
return S_FALSE;
}
static HRESULT WINAPI TransformFilter_Output_DecideBufferSize(BaseOutputPin *This, IMemAllocator *pAlloc, ALLOCATOR_PROPERTIES *ppropInputRequest)
{
TransformFilter *pTransformFilter = (TransformFilter *)This->pin.pinInfo.pFilter;
return pTransformFilter->pFuncsTable->pfnDecideBufferSize(pTransformFilter, pAlloc, ppropInputRequest);
}
static HRESULT WINAPI TransformFilter_Output_GetMediaType(BasePin *This, int iPosition, AM_MEDIA_TYPE *pmt)
{
TransformFilter *pTransform = (TransformFilter *)This->pinInfo.pFilter;
if (iPosition < 0)
return E_INVALIDARG;
if (iPosition > 0)
return VFW_S_NO_MORE_ITEMS;
CopyMediaType(pmt, &pTransform->pmt);
return S_OK;
}
static IPin* WINAPI TransformFilter_GetPin(BaseFilter *iface, int pos)
{
TransformFilter *This = (TransformFilter *)iface;
if (pos >= This->npins || pos < 0)
return NULL;
IPin_AddRef(This->ppPins[pos]);
return This->ppPins[pos];
}
static LONG WINAPI TransformFilter_GetPinCount(BaseFilter *iface)
{
TransformFilter *This = (TransformFilter *)iface;
return (This->npins+1);
}
static const BaseFilterFuncTable tfBaseFuncTable = {
TransformFilter_GetPin,
TransformFilter_GetPinCount
};
static const BasePinFuncTable tf_input_BaseFuncTable = {
TransformFilter_Input_CheckMediaType,
NULL,
BasePinImpl_GetMediaTypeVersion,
BasePinImpl_GetMediaType
};
static const BaseInputPinFuncTable tf_input_BaseInputFuncTable = {
TransformFilter_Input_Receive
};
static const BasePinFuncTable tf_output_BaseFuncTable = {
NULL,
BaseOutputPinImpl_AttemptConnection,
BasePinImpl_GetMediaTypeVersion,
TransformFilter_Output_GetMediaType
};
static const BaseOutputPinFuncTable tf_output_BaseOutputFuncTable = {
TransformFilter_Output_DecideBufferSize,
BaseOutputPinImpl_DecideAllocator,
BaseOutputPinImpl_BreakConnect
};
static HRESULT TransformFilter_Init(const IBaseFilterVtbl *pVtbl, const CLSID* pClsid, const TransformFilterFuncTable* pFuncsTable, TransformFilter* pTransformFilter)
{
HRESULT hr;
PIN_INFO piInput;
PIN_INFO piOutput;
BaseFilter_Init(&pTransformFilter->filter, pVtbl, pClsid, (DWORD_PTR)(__FILE__ ": TransformFilter.csFilter"), &tfBaseFuncTable);
InitializeCriticalSection(&pTransformFilter->csReceive);
pTransformFilter->csReceive.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__": TransformFilter.csReceive");
/* pTransformFilter is already allocated */
pTransformFilter->pFuncsTable = pFuncsTable;
ZeroMemory(&pTransformFilter->pmt, sizeof(pTransformFilter->pmt));
pTransformFilter->npins = 2;
pTransformFilter->ppPins = CoTaskMemAlloc(2 * sizeof(IPin *));
/* construct input pin */
piInput.dir = PINDIR_INPUT;
piInput.pFilter = (IBaseFilter *)pTransformFilter;
lstrcpynW(piInput.achName, wcsInputPinName, sizeof(piInput.achName) / sizeof(piInput.achName[0]));
piOutput.dir = PINDIR_OUTPUT;
piOutput.pFilter = (IBaseFilter *)pTransformFilter;
lstrcpynW(piOutput.achName, wcsOutputPinName, sizeof(piOutput.achName) / sizeof(piOutput.achName[0]));
hr = BaseInputPin_Construct(&TransformFilter_InputPin_Vtbl, &piInput, &tf_input_BaseFuncTable, &tf_input_BaseInputFuncTable, &pTransformFilter->filter.csFilter, NULL, &pTransformFilter->ppPins[0]);
if (SUCCEEDED(hr))
{
hr = BaseOutputPin_Construct(&TransformFilter_OutputPin_Vtbl, sizeof(BaseOutputPin), &piOutput, &tf_output_BaseFuncTable, &tf_output_BaseOutputFuncTable, &pTransformFilter->filter.csFilter, &pTransformFilter->ppPins[1]);
if (FAILED(hr))
ERR("Cannot create output pin (%x)\n", hr);
else {
QualityControlImpl_init(&pTransformFilter->qcimpl, (IPin*)pTransformFilter->ppPins[0], (IBaseFilter*)pTransformFilter);
pTransformFilter->qcimpl.lpVtbl = &TransformFilter_QualityControl_Vtbl;
}
}
if (FAILED(hr))
{
CoTaskMemFree(pTransformFilter->ppPins);
BaseFilterImpl_Release((IBaseFilter*)pTransformFilter);
}
return hr;
}
HRESULT TransformFilter_Construct(const IBaseFilterVtbl *pVtbl, LONG filter_size, const CLSID* pClsid, const TransformFilterFuncTable* pFuncsTable, IBaseFilter ** ppTransformFilter)
{
TransformFilter* pTf;
*ppTransformFilter = NULL;
assert(filter_size >= sizeof(TransformFilter));
pTf = CoTaskMemAlloc(filter_size);
if (!pTf)
return E_OUTOFMEMORY;
ZeroMemory(pTf, filter_size);
if (SUCCEEDED(TransformFilter_Init(pVtbl, pClsid, pFuncsTable, pTf)))
{
*ppTransformFilter = (IBaseFilter*)(&pTf->filter.lpVtbl);
return S_OK;
}
CoTaskMemFree(pTf);
return E_FAIL;
}
HRESULT WINAPI TransformFilterImpl_QueryInterface(IBaseFilter * iface, REFIID riid, LPVOID * ppv)
{
HRESULT hr;
TransformFilter *This = (TransformFilter *)iface;
TRACE("(%p/%p)->(%s, %p)\n", This, iface, debugstr_guid(riid), ppv);
if (IsEqualIID(riid, &IID_IQualityControl)) {
*ppv = (IQualityControl*)&This->qcimpl;
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
hr = BaseFilterImpl_QueryInterface(iface, riid, ppv);
2010-11-09 23:42:38 +01:00
if (FAILED(hr) && !IsEqualIID(riid, &IID_IPin) && !IsEqualIID(riid, &IID_IVideoWindow) &&
!IsEqualIID(riid, &IID_IAMFilterMiscFlags))
FIXME("No interface for %s!\n", debugstr_guid(riid));
return hr;
}
ULONG WINAPI TransformFilterImpl_Release(IBaseFilter * iface)
{
TransformFilter *This = (TransformFilter *)iface;
ULONG refCount = BaseFilterImpl_Release(iface);
TRACE("(%p/%p)->() Release from %d\n", This, iface, refCount + 1);
if (!refCount)
{
ULONG i;
for (i = 0; i < This->npins; i++)
{
IPin *pConnectedTo;
if (SUCCEEDED(IPin_ConnectedTo(This->ppPins[i], &pConnectedTo)))
{
IPin_Disconnect(pConnectedTo);
IPin_Release(pConnectedTo);
}
IPin_Disconnect(This->ppPins[i]);
IPin_Release(This->ppPins[i]);
}
CoTaskMemFree(This->ppPins);
TRACE("Destroying transform filter\n");
This->csReceive.DebugInfo->Spare[0] = 0;
DeleteCriticalSection(&This->csReceive);
FreeMediaType(&This->pmt);
CoTaskMemFree(This);
return 0;
}
else
return refCount;
}
/** IMediaFilter methods **/
HRESULT WINAPI TransformFilterImpl_Stop(IBaseFilter * iface)
{
TransformFilter *This = (TransformFilter *)iface;
HRESULT hr = S_OK;
TRACE("(%p/%p)\n", This, iface);
EnterCriticalSection(&This->csReceive);
{
This->filter.state = State_Stopped;
if (This->pFuncsTable->pfnStopStreaming)
hr = This->pFuncsTable->pfnStopStreaming(This);
}
LeaveCriticalSection(&This->csReceive);
return hr;
}
HRESULT WINAPI TransformFilterImpl_Pause(IBaseFilter * iface)
{
TransformFilter *This = (TransformFilter *)iface;
HRESULT hr;
TRACE("(%p/%p)->()\n", This, iface);
EnterCriticalSection(&This->csReceive);
{
if (This->filter.state == State_Stopped)
hr = IBaseFilter_Run(iface, -1);
else
hr = S_OK;
if (SUCCEEDED(hr))
This->filter.state = State_Paused;
}
LeaveCriticalSection(&This->csReceive);
return hr;
}
HRESULT WINAPI TransformFilterImpl_Run(IBaseFilter * iface, REFERENCE_TIME tStart)
{
HRESULT hr = S_OK;
TransformFilter *This = (TransformFilter *)iface;
TRACE("(%p/%p)->(%s)\n", This, iface, wine_dbgstr_longlong(tStart));
EnterCriticalSection(&This->csReceive);
{
if (This->filter.state == State_Stopped)
{
((BaseInputPin *)This->ppPins[0])->end_of_stream = 0;
if (This->pFuncsTable->pfnStartStreaming)
hr = This->pFuncsTable->pfnStartStreaming(This);
if (SUCCEEDED(hr))
hr = BaseOutputPinImpl_Active((BaseOutputPin *)This->ppPins[1]);
}
if (SUCCEEDED(hr))
{
This->filter.rtStreamStart = tStart;
This->filter.state = State_Running;
}
}
LeaveCriticalSection(&This->csReceive);
return hr;
}
/** IBaseFilter implementation **/
HRESULT WINAPI TransformFilterImpl_FindPin(IBaseFilter * iface, LPCWSTR Id, IPin **ppPin)
{
TransformFilter *This = (TransformFilter *)iface;
TRACE("(%p/%p)->(%p,%p)\n", This, iface, debugstr_w(Id), ppPin);
return E_NOTIMPL;
}
static const IBaseFilterVtbl TransformFilter_Vtbl =
{
TransformFilterImpl_QueryInterface,
BaseFilterImpl_AddRef,
TransformFilterImpl_Release,
BaseFilterImpl_GetClassID,
TransformFilterImpl_Stop,
TransformFilterImpl_Pause,
TransformFilterImpl_Run,
BaseFilterImpl_GetState,
BaseFilterImpl_SetSyncSource,
BaseFilterImpl_GetSyncSource,
BaseFilterImpl_EnumPins,
TransformFilterImpl_FindPin,
BaseFilterImpl_QueryFilterInfo,
BaseFilterImpl_JoinFilterGraph,
BaseFilterImpl_QueryVendorInfo
};
static HRESULT WINAPI TransformFilter_InputPin_EndOfStream(IPin * iface)
{
BaseInputPin* This = (BaseInputPin*) iface;
TransformFilter* pTransform;
IPin* ppin;
HRESULT hr;
TRACE("(%p)->()\n", iface);
/* Since we process samples synchronously, just forward notification downstream */
pTransform = (TransformFilter*)This->pin.pinInfo.pFilter;
if (!pTransform)
hr = E_FAIL;
else
hr = IPin_ConnectedTo(pTransform->ppPins[1], &ppin);
if (SUCCEEDED(hr))
{
hr = IPin_EndOfStream(ppin);
IPin_Release(ppin);
}
if (FAILED(hr))
ERR("%x\n", hr);
return hr;
}
static HRESULT WINAPI TransformFilter_InputPin_ReceiveConnection(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
{
BaseInputPin* This = (BaseInputPin*) iface;
TransformFilter* pTransform;
HRESULT hr = S_OK;
TRACE("(%p)->(%p, %p)\n", iface, pReceivePin, pmt);
pTransform = (TransformFilter*)This->pin.pinInfo.pFilter;
if (pTransform->pFuncsTable->pfnSetMediaType)
hr = pTransform->pFuncsTable->pfnSetMediaType(pTransform, PINDIR_INPUT, pmt);
if (SUCCEEDED(hr) && pTransform->pFuncsTable->pfnCompleteConnect)
hr = pTransform->pFuncsTable->pfnCompleteConnect(pTransform, PINDIR_INPUT, pReceivePin);
if (SUCCEEDED(hr))
{
hr = BaseInputPinImpl_ReceiveConnection(iface, pReceivePin, pmt);
if (FAILED(hr) && pTransform->pFuncsTable->pfnBreakConnect)
pTransform->pFuncsTable->pfnBreakConnect(pTransform, PINDIR_INPUT);
}
return hr;
}
static HRESULT WINAPI TransformFilter_InputPin_Disconnect(IPin * iface)
{
BaseInputPin* This = (BaseInputPin*) iface;
TransformFilter* pTransform;
TRACE("(%p)->()\n", iface);
pTransform = (TransformFilter*)This->pin.pinInfo.pFilter;
if (pTransform->pFuncsTable->pfnBreakConnect)
pTransform->pFuncsTable->pfnBreakConnect(pTransform, PINDIR_INPUT);
return BasePinImpl_Disconnect(iface);
}
static HRESULT WINAPI TransformFilter_InputPin_BeginFlush(IPin * iface)
{
BaseInputPin* This = (BaseInputPin*) iface;
TransformFilter* pTransform;
HRESULT hr = S_OK;
TRACE("(%p)->()\n", iface);
pTransform = (TransformFilter*)This->pin.pinInfo.pFilter;
EnterCriticalSection(&pTransform->filter.csFilter);
if (pTransform->pFuncsTable->pfnBeginFlush)
hr = pTransform->pFuncsTable->pfnBeginFlush(pTransform);
if (SUCCEEDED(hr))
hr = BaseInputPinImpl_BeginFlush(iface);
LeaveCriticalSection(&pTransform->filter.csFilter);
return hr;
}
static HRESULT WINAPI TransformFilter_InputPin_EndFlush(IPin * iface)
{
BaseInputPin* This = (BaseInputPin*) iface;
TransformFilter* pTransform;
HRESULT hr = S_OK;
TRACE("(%p)->()\n", iface);
pTransform = (TransformFilter*)This->pin.pinInfo.pFilter;
EnterCriticalSection(&pTransform->filter.csFilter);
if (pTransform->pFuncsTable->pfnEndFlush)
hr = pTransform->pFuncsTable->pfnEndFlush(pTransform);
if (SUCCEEDED(hr))
hr = BaseInputPinImpl_EndFlush(iface);
LeaveCriticalSection(&pTransform->filter.csFilter);
return hr;
}
static HRESULT WINAPI TransformFilter_InputPin_NewSegment(IPin * iface, REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate)
{
BaseInputPin* This = (BaseInputPin*) iface;
TransformFilter* pTransform;
HRESULT hr = S_OK;
TRACE("(%p)->()\n", iface);
pTransform = (TransformFilter*)This->pin.pinInfo.pFilter;
EnterCriticalSection(&pTransform->filter.csFilter);
if (pTransform->pFuncsTable->pfnNewSegment)
hr = pTransform->pFuncsTable->pfnNewSegment(pTransform, tStart, tStop, dRate);
if (SUCCEEDED(hr))
hr = BaseInputPinImpl_NewSegment(iface, tStart, tStop, dRate);
LeaveCriticalSection(&pTransform->filter.csFilter);
return hr;
}
static const IPinVtbl TransformFilter_InputPin_Vtbl =
{
BaseInputPinImpl_QueryInterface,
BasePinImpl_AddRef,
BaseInputPinImpl_Release,
BaseInputPinImpl_Connect,
TransformFilter_InputPin_ReceiveConnection,
TransformFilter_InputPin_Disconnect,
BasePinImpl_ConnectedTo,
BasePinImpl_ConnectionMediaType,
BasePinImpl_QueryPinInfo,
BasePinImpl_QueryDirection,
BasePinImpl_QueryId,
BaseInputPinImpl_QueryAccept,
BasePinImpl_EnumMediaTypes,
BasePinImpl_QueryInternalConnections,
TransformFilter_InputPin_EndOfStream,
TransformFilter_InputPin_BeginFlush,
TransformFilter_InputPin_EndFlush,
TransformFilter_InputPin_NewSegment
};
static const IPinVtbl TransformFilter_OutputPin_Vtbl =
{
BaseOutputPinImpl_QueryInterface,
BasePinImpl_AddRef,
BaseOutputPinImpl_Release,
BaseOutputPinImpl_Connect,
BaseOutputPinImpl_ReceiveConnection,
BaseOutputPinImpl_Disconnect,
BasePinImpl_ConnectedTo,
BasePinImpl_ConnectionMediaType,
BasePinImpl_QueryPinInfo,
BasePinImpl_QueryDirection,
BasePinImpl_QueryId,
TransformFilter_Output_QueryAccept,
BasePinImpl_EnumMediaTypes,
BasePinImpl_QueryInternalConnections,
BaseOutputPinImpl_EndOfStream,
BaseOutputPinImpl_BeginFlush,
BaseOutputPinImpl_EndFlush,
BasePinImpl_NewSegment
};
static HRESULT WINAPI TransformFilter_QualityControlImpl_Notify(IQualityControl *iface, IBaseFilter *sender, Quality qm) {
QualityControlImpl *qc = (QualityControlImpl*)iface;
TransformFilter *This = (TransformFilter *)qc->self;
if (This->pFuncsTable->pfnNotify)
return This->pFuncsTable->pfnNotify(This, sender, qm);
else
return QualityControlImpl_Notify(iface, sender, qm);
}
static const IQualityControlVtbl TransformFilter_QualityControl_Vtbl = {
QualityControlImpl_QueryInterface,
QualityControlImpl_AddRef,
QualityControlImpl_Release,
TransformFilter_QualityControlImpl_Notify,
QualityControlImpl_SetSink
};