Sweden-Number/dlls/strmbase/transform.c

586 lines
18 KiB
C

/*
* 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 "strmbase_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(strmbase);
static const WCHAR wcsInputPinName[] = {'I','n',0};
static const WCHAR wcsOutputPinName[] = {'O','u','t',0};
static const IPinVtbl TransformFilter_InputPin_Vtbl;
static const IPinVtbl TransformFilter_OutputPin_Vtbl;
static const IQualityControlVtbl TransformFilter_QualityControl_Vtbl;
static inline BaseInputPin *impl_BaseInputPin_from_BasePin( BasePin *iface )
{
return CONTAINING_RECORD(iface, BaseInputPin, pin);
}
static inline BaseInputPin *impl_BaseInputPin_from_IPin( IPin *iface )
{
return CONTAINING_RECORD(iface, BaseInputPin, pin.IPin_iface);
}
static inline BaseOutputPin *impl_BaseOutputPin_from_IPin( IPin *iface )
{
return CONTAINING_RECORD(iface, BaseOutputPin, pin.IPin_iface);
}
static inline TransformFilter *impl_from_IBaseFilter( IBaseFilter *iface )
{
return CONTAINING_RECORD(iface, TransformFilter, filter.IBaseFilter_iface);
}
static inline TransformFilter *impl_from_BaseFilter( BaseFilter *iface )
{
return CONTAINING_RECORD(iface, TransformFilter, filter);
}
static HRESULT WINAPI TransformFilter_Input_CheckMediaType(BasePin *iface, const AM_MEDIA_TYPE * pmt)
{
BaseInputPin* This = impl_BaseInputPin_from_BasePin(iface);
TransformFilter * pTransform;
TRACE("%p\n", iface);
pTransform = impl_from_IBaseFilter(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;
TransformFilter * pTransform;
TRACE("%p\n", This);
pTransform = impl_from_IBaseFilter(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_CheckMediaType(BasePin *This, const AM_MEDIA_TYPE *pmt)
{
TransformFilter *pTransformFilter = impl_from_IBaseFilter(This->pinInfo.pFilter);
AM_MEDIA_TYPE* outpmt = &pTransformFilter->pmt;
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 = impl_from_IBaseFilter(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 = impl_from_IBaseFilter(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 *transform_get_pin(BaseFilter *iface, unsigned int index)
{
TransformFilter *filter = impl_from_BaseFilter(iface);
if (index >= 2)
return NULL;
IPin_AddRef(filter->ppPins[index]);
return filter->ppPins[index];
}
static void transform_destroy(BaseFilter *iface)
{
TransformFilter *filter = impl_from_BaseFilter(iface);
ULONG i;
for (i = 0; i < 2; ++i)
{
IPin *peer;
if (SUCCEEDED(IPin_ConnectedTo(filter->ppPins[i], &peer)))
{
IPin_Disconnect(peer);
IPin_Release(peer);
}
IPin_Disconnect(filter->ppPins[i]);
IPin_Release(filter->ppPins[i]);
}
CoTaskMemFree(filter->ppPins);
filter->csReceive.DebugInfo->Spare[0] = 0;
DeleteCriticalSection(&filter->csReceive);
FreeMediaType(&filter->pmt);
QualityControlImpl_Destroy(filter->qcimpl);
IUnknown_Release(filter->seekthru_unk);
strmbase_filter_cleanup(&filter->filter);
CoTaskMemFree(filter);
}
static const BaseFilterFuncTable tfBaseFuncTable = {
.filter_get_pin = transform_get_pin,
.filter_destroy = transform_destroy,
};
static const BaseInputPinFuncTable tf_input_BaseInputFuncTable = {
{
TransformFilter_Input_CheckMediaType,
BasePinImpl_GetMediaType
},
TransformFilter_Input_Receive
};
static const BaseOutputPinFuncTable tf_output_BaseOutputFuncTable = {
{
TransformFilter_Output_CheckMediaType,
TransformFilter_Output_GetMediaType
},
BaseOutputPinImpl_AttemptConnection,
TransformFilter_Output_DecideBufferSize,
BaseOutputPinImpl_DecideAllocator,
};
static HRESULT WINAPI TransformFilterImpl_Stop(IBaseFilter *iface)
{
TransformFilter *This = impl_from_IBaseFilter(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);
if (SUCCEEDED(hr))
hr = BaseOutputPinImpl_Inactive(impl_BaseOutputPin_from_IPin(This->ppPins[1]));
}
LeaveCriticalSection(&This->csReceive);
return hr;
}
static HRESULT WINAPI TransformFilterImpl_Pause(IBaseFilter *iface)
{
TransformFilter *This = impl_from_IBaseFilter(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;
}
static HRESULT WINAPI TransformFilterImpl_Run(IBaseFilter *iface, REFERENCE_TIME tStart)
{
HRESULT hr = S_OK;
TransformFilter *This = impl_from_IBaseFilter(iface);
TRACE("(%p/%p)->(%s)\n", This, iface, wine_dbgstr_longlong(tStart));
EnterCriticalSection(&This->csReceive);
{
if (This->filter.state == State_Stopped)
{
impl_BaseInputPin_from_IPin(This->ppPins[0])->end_of_stream = FALSE;
if (This->pFuncsTable->pfnStartStreaming)
hr = This->pFuncsTable->pfnStartStreaming(This);
if (SUCCEEDED(hr))
hr = BaseOutputPinImpl_Active(impl_BaseOutputPin_from_IPin(This->ppPins[1]));
}
if (SUCCEEDED(hr))
{
This->filter.rtStreamStart = tStart;
This->filter.state = State_Running;
}
}
LeaveCriticalSection(&This->csReceive);
return hr;
}
static const IBaseFilterVtbl transform_vtbl =
{
BaseFilterImpl_QueryInterface,
BaseFilterImpl_AddRef,
BaseFilterImpl_Release,
BaseFilterImpl_GetClassID,
TransformFilterImpl_Stop,
TransformFilterImpl_Pause,
TransformFilterImpl_Run,
BaseFilterImpl_GetState,
BaseFilterImpl_SetSyncSource,
BaseFilterImpl_GetSyncSource,
BaseFilterImpl_EnumPins,
BaseFilterImpl_FindPin,
BaseFilterImpl_QueryFilterInfo,
BaseFilterImpl_JoinFilterGraph,
BaseFilterImpl_QueryVendorInfo
};
static HRESULT strmbase_transform_init(IUnknown *outer, const CLSID *clsid,
const TransformFilterFuncTable *func_table, TransformFilter *filter)
{
HRESULT hr;
PIN_INFO piInput;
PIN_INFO piOutput;
strmbase_filter_init(&filter->filter, &transform_vtbl, outer, clsid,
(DWORD_PTR)(__FILE__ ": TransformFilter.csFilter"), &tfBaseFuncTable);
InitializeCriticalSection(&filter->csReceive);
filter->csReceive.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__": TransformFilter.csReceive");
/* pTransformFilter is already allocated */
filter->pFuncsTable = func_table;
ZeroMemory(&filter->pmt, sizeof(filter->pmt));
filter->ppPins = CoTaskMemAlloc(2 * sizeof(IPin *));
/* construct input pin */
piInput.dir = PINDIR_INPUT;
piInput.pFilter = &filter->filter.IBaseFilter_iface;
lstrcpynW(piInput.achName, wcsInputPinName, ARRAY_SIZE(piInput.achName));
piOutput.dir = PINDIR_OUTPUT;
piOutput.pFilter = &filter->filter.IBaseFilter_iface;
lstrcpynW(piOutput.achName, wcsOutputPinName, ARRAY_SIZE(piOutput.achName));
hr = BaseInputPin_Construct(&TransformFilter_InputPin_Vtbl, sizeof(BaseInputPin), &piInput,
&tf_input_BaseInputFuncTable, &filter->filter.csFilter, NULL, &filter->ppPins[0]);
if (SUCCEEDED(hr))
{
hr = BaseOutputPin_Construct(&TransformFilter_OutputPin_Vtbl, sizeof(BaseOutputPin),
&piOutput, &tf_output_BaseOutputFuncTable, &filter->filter.csFilter,
&filter->ppPins[1]);
if (FAILED(hr))
ERR("Cannot create output pin (%x)\n", hr);
else {
QualityControlImpl_Create(filter->ppPins[0],
&filter->filter.IBaseFilter_iface, &filter->qcimpl);
filter->qcimpl->IQualityControl_iface.lpVtbl = &TransformFilter_QualityControl_Vtbl;
}
}
if (SUCCEEDED(hr))
{
ISeekingPassThru *passthru;
filter->seekthru_unk = NULL;
hr = CoCreateInstance(&CLSID_SeekingPassThru, (IUnknown *)&filter->filter.IBaseFilter_iface,
CLSCTX_INPROC_SERVER, &IID_IUnknown, (void **)&filter->seekthru_unk);
if (SUCCEEDED(hr))
{
IUnknown_QueryInterface(filter->seekthru_unk, &IID_ISeekingPassThru, (void **)&passthru);
ISeekingPassThru_Init(passthru, FALSE, filter->ppPins[0]);
ISeekingPassThru_Release(passthru);
}
}
if (FAILED(hr))
{
CoTaskMemFree(filter->ppPins);
strmbase_filter_cleanup(&filter->filter);
}
return hr;
}
HRESULT strmbase_transform_create(LONG filter_size, IUnknown *outer, 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(strmbase_transform_init(outer, pClsid, pFuncsTable, pTf)))
{
*ppTransformFilter = &pTf->filter.IBaseFilter_iface;
return S_OK;
}
CoTaskMemFree(pTf);
return E_FAIL;
}
HRESULT WINAPI TransformFilterImpl_Notify(TransformFilter *iface, IBaseFilter *sender, Quality qm)
{
return QualityControlImpl_Notify((IQualityControl*)iface->qcimpl, sender, qm);
}
/** IBaseFilter implementation **/
static HRESULT WINAPI TransformFilter_InputPin_EndOfStream(IPin * iface)
{
BaseInputPin* This = impl_BaseInputPin_from_IPin(iface);
TransformFilter* pTransform;
IPin* ppin;
HRESULT hr;
TRACE("(%p)->()\n", iface);
/* Since we process samples synchronously, just forward notification downstream */
pTransform = impl_from_IBaseFilter(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 = impl_BaseInputPin_from_IPin(iface);
TransformFilter* pTransform;
HRESULT hr = S_OK;
TRACE("(%p)->(%p, %p)\n", iface, pReceivePin, pmt);
pTransform = impl_from_IBaseFilter(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 = impl_BaseInputPin_from_IPin(iface);
TransformFilter* pTransform;
TRACE("(%p)->()\n", iface);
pTransform = impl_from_IBaseFilter(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 = impl_BaseInputPin_from_IPin(iface);
TransformFilter* pTransform;
HRESULT hr = S_OK;
TRACE("(%p)->()\n", iface);
pTransform = impl_from_IBaseFilter(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 = impl_BaseInputPin_from_IPin(iface);
TransformFilter* pTransform;
HRESULT hr = S_OK;
TRACE("(%p)->()\n", iface);
pTransform = impl_from_IBaseFilter(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 = impl_BaseInputPin_from_IPin(iface);
TransformFilter* pTransform;
HRESULT hr = S_OK;
TRACE("(%p)->(%s %s %e)\n", iface, wine_dbgstr_longlong(tStart), wine_dbgstr_longlong(tStop), dRate);
pTransform = impl_from_IBaseFilter(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,
BasePinImpl_QueryAccept,
BasePinImpl_EnumMediaTypes,
BasePinImpl_QueryInternalConnections,
TransformFilter_InputPin_EndOfStream,
TransformFilter_InputPin_BeginFlush,
TransformFilter_InputPin_EndFlush,
TransformFilter_InputPin_NewSegment
};
static HRESULT WINAPI transform_source_QueryInterface(IPin *iface, REFIID iid, void **out)
{
TransformFilter *filter = impl_from_IBaseFilter(impl_BaseOutputPin_from_IPin(iface)->pin.pinInfo.pFilter);
if (IsEqualGUID(iid, &IID_IUnknown) || IsEqualGUID(iid, &IID_IPin))
*out = iface;
else if (IsEqualGUID(iid, &IID_IQualityControl))
*out = &filter->qcimpl->IQualityControl_iface;
else if (IsEqualGUID(iid, &IID_IMediaSeeking))
return IUnknown_QueryInterface(filter->seekthru_unk, iid, out);
else
{
WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(iid));
*out = NULL;
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown *)*out);
return S_OK;
}
static const IPinVtbl TransformFilter_OutputPin_Vtbl =
{
transform_source_QueryInterface,
BasePinImpl_AddRef,
BaseOutputPinImpl_Release,
BaseOutputPinImpl_Connect,
BaseOutputPinImpl_ReceiveConnection,
BaseOutputPinImpl_Disconnect,
BasePinImpl_ConnectedTo,
BasePinImpl_ConnectionMediaType,
BasePinImpl_QueryPinInfo,
BasePinImpl_QueryDirection,
BasePinImpl_QueryId,
BasePinImpl_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 = impl_from_IBaseFilter(qc->self);
if (This->pFuncsTable->pfnNotify)
return This->pFuncsTable->pfnNotify(This, sender, qm);
else
return TransformFilterImpl_Notify(This, sender, qm);
}
static const IQualityControlVtbl TransformFilter_QualityControl_Vtbl = {
QualityControlImpl_QueryInterface,
QualityControlImpl_AddRef,
QualityControlImpl_Release,
TransformFilter_QualityControlImpl_Notify,
QualityControlImpl_SetSink
};