530 lines
17 KiB
C
530 lines
17 KiB
C
/*
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* Transform Filter (Base for decoders, etc...)
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*
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* Copyright 2005 Christian Costa
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* Copyright 2010 Aric Stewart, CodeWeavers
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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 "strmbase_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(strmbase);
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static const WCHAR wcsInputPinName[] = {'I','n',0};
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static const WCHAR wcsOutputPinName[] = {'O','u','t',0};
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static const IPinVtbl TransformFilter_InputPin_Vtbl;
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static const IPinVtbl TransformFilter_OutputPin_Vtbl;
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static const IQualityControlVtbl TransformFilter_QualityControl_Vtbl;
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static inline TransformFilter *impl_from_IBaseFilter( IBaseFilter *iface )
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{
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return CONTAINING_RECORD(iface, TransformFilter, filter.IBaseFilter_iface);
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}
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static inline TransformFilter *impl_from_strmbase_filter(struct strmbase_filter *iface)
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{
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return CONTAINING_RECORD(iface, TransformFilter, filter);
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}
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static inline TransformFilter *impl_from_sink_IPin(IPin *iface)
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{
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return CONTAINING_RECORD(iface, TransformFilter, sink.pin.IPin_iface);
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}
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static HRESULT sink_query_accept(struct strmbase_pin *iface, const AM_MEDIA_TYPE *pmt)
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{
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TransformFilter *pTransform = impl_from_sink_IPin(&iface->IPin_iface);
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TRACE("%p\n", iface);
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if (pTransform->pFuncsTable->pfnCheckInputType)
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return pTransform->pFuncsTable->pfnCheckInputType(pTransform, pmt);
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/* Assume OK if there's no query method (the connection will fail if
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needed) */
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return S_OK;
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}
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static HRESULT WINAPI TransformFilter_Input_Receive(BaseInputPin *This, IMediaSample *pInSample)
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{
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TransformFilter *pTransform = impl_from_sink_IPin(&This->pin.IPin_iface);
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HRESULT hr;
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TRACE("%p\n", This);
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EnterCriticalSection(&pTransform->csReceive);
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if (pTransform->filter.state == State_Stopped)
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{
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LeaveCriticalSection(&pTransform->csReceive);
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return VFW_E_WRONG_STATE;
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}
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if (This->end_of_stream || This->flushing)
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{
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LeaveCriticalSection(&pTransform->csReceive);
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return S_FALSE;
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}
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LeaveCriticalSection(&pTransform->csReceive);
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if (pTransform->pFuncsTable->pfnReceive)
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hr = pTransform->pFuncsTable->pfnReceive(pTransform, pInSample);
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else
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hr = S_FALSE;
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return hr;
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}
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static inline TransformFilter *impl_from_source_IPin(IPin *iface)
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{
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return CONTAINING_RECORD(iface, TransformFilter, source.pin.IPin_iface);
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}
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static HRESULT source_query_accept(struct strmbase_pin *This, const AM_MEDIA_TYPE *pmt)
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{
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TransformFilter *pTransformFilter = impl_from_source_IPin(&This->IPin_iface);
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AM_MEDIA_TYPE* outpmt = &pTransformFilter->pmt;
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if (IsEqualIID(&pmt->majortype, &outpmt->majortype)
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&& (IsEqualIID(&pmt->subtype, &outpmt->subtype) || IsEqualIID(&outpmt->subtype, &GUID_NULL)))
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return S_OK;
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return S_FALSE;
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}
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static HRESULT WINAPI TransformFilter_Output_DecideBufferSize(struct strmbase_source *This,
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IMemAllocator *pAlloc, ALLOCATOR_PROPERTIES *ppropInputRequest)
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{
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TransformFilter *pTransformFilter = impl_from_source_IPin(&This->pin.IPin_iface);
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return pTransformFilter->pFuncsTable->pfnDecideBufferSize(pTransformFilter, pAlloc, ppropInputRequest);
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}
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static HRESULT source_get_media_type(struct strmbase_pin *This, unsigned int iPosition, AM_MEDIA_TYPE *pmt)
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{
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TransformFilter *pTransform = impl_from_source_IPin(&This->IPin_iface);
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if (iPosition > 0)
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return VFW_S_NO_MORE_ITEMS;
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CopyMediaType(pmt, &pTransform->pmt);
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return S_OK;
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}
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static IPin *transform_get_pin(struct strmbase_filter *iface, unsigned int index)
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{
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TransformFilter *filter = impl_from_strmbase_filter(iface);
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if (index == 0)
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return &filter->sink.pin.IPin_iface;
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else if (index == 1)
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return &filter->source.pin.IPin_iface;
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return NULL;
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}
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static void transform_destroy(struct strmbase_filter *iface)
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{
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TransformFilter *filter = impl_from_strmbase_filter(iface);
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if (filter->sink.pin.peer)
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IPin_Disconnect(filter->sink.pin.peer);
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IPin_Disconnect(&filter->sink.pin.IPin_iface);
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if (filter->source.pin.peer)
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IPin_Disconnect(filter->source.pin.peer);
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IPin_Disconnect(&filter->source.pin.IPin_iface);
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strmbase_sink_cleanup(&filter->sink);
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strmbase_source_cleanup(&filter->source);
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filter->csReceive.DebugInfo->Spare[0] = 0;
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DeleteCriticalSection(&filter->csReceive);
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FreeMediaType(&filter->pmt);
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QualityControlImpl_Destroy(filter->qcimpl);
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IUnknown_Release(filter->seekthru_unk);
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strmbase_filter_cleanup(&filter->filter);
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CoTaskMemFree(filter);
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}
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static const struct strmbase_filter_ops filter_ops =
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{
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.filter_get_pin = transform_get_pin,
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.filter_destroy = transform_destroy,
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};
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static HRESULT sink_query_interface(struct strmbase_pin *iface, REFIID iid, void **out)
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{
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TransformFilter *filter = impl_from_sink_IPin(&iface->IPin_iface);
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if (IsEqualGUID(iid, &IID_IMemInputPin))
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*out = &filter->sink.IMemInputPin_iface;
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else
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return E_NOINTERFACE;
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IUnknown_AddRef((IUnknown *)*out);
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return S_OK;
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}
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static const BaseInputPinFuncTable tf_input_BaseInputFuncTable =
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{
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.base.pin_query_accept = sink_query_accept,
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.base.pin_get_media_type = strmbase_pin_get_media_type,
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.base.pin_query_interface = sink_query_interface,
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.pfnReceive = TransformFilter_Input_Receive,
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};
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static HRESULT source_query_interface(struct strmbase_pin *iface, REFIID iid, void **out)
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{
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TransformFilter *filter = impl_from_source_IPin(&iface->IPin_iface);
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if (IsEqualGUID(iid, &IID_IQualityControl))
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*out = &filter->qcimpl->IQualityControl_iface;
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else if (IsEqualGUID(iid, &IID_IMediaSeeking))
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return IUnknown_QueryInterface(filter->seekthru_unk, iid, out);
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else
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return E_NOINTERFACE;
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IUnknown_AddRef((IUnknown *)*out);
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return S_OK;
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}
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static const struct strmbase_source_ops source_ops =
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{
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.base.pin_query_accept = source_query_accept,
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.base.pin_get_media_type = source_get_media_type,
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.base.pin_query_interface = source_query_interface,
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.pfnAttemptConnection = BaseOutputPinImpl_AttemptConnection,
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.pfnDecideBufferSize = TransformFilter_Output_DecideBufferSize,
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.pfnDecideAllocator = BaseOutputPinImpl_DecideAllocator,
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};
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static HRESULT WINAPI TransformFilterImpl_Stop(IBaseFilter *iface)
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{
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TransformFilter *This = impl_from_IBaseFilter(iface);
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HRESULT hr = S_OK;
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TRACE("(%p/%p)\n", This, iface);
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EnterCriticalSection(&This->csReceive);
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{
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This->filter.state = State_Stopped;
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if (This->pFuncsTable->pfnStopStreaming)
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hr = This->pFuncsTable->pfnStopStreaming(This);
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if (SUCCEEDED(hr))
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hr = BaseOutputPinImpl_Inactive(&This->source);
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}
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LeaveCriticalSection(&This->csReceive);
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return hr;
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}
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static HRESULT WINAPI TransformFilterImpl_Pause(IBaseFilter *iface)
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{
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TransformFilter *This = impl_from_IBaseFilter(iface);
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HRESULT hr;
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TRACE("(%p/%p)->()\n", This, iface);
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EnterCriticalSection(&This->csReceive);
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{
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if (This->filter.state == State_Stopped)
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hr = IBaseFilter_Run(iface, -1);
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else
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hr = S_OK;
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if (SUCCEEDED(hr))
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This->filter.state = State_Paused;
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}
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LeaveCriticalSection(&This->csReceive);
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return hr;
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}
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static HRESULT WINAPI TransformFilterImpl_Run(IBaseFilter *iface, REFERENCE_TIME tStart)
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{
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HRESULT hr = S_OK;
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TransformFilter *This = impl_from_IBaseFilter(iface);
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TRACE("iface %p, start %s.\n", iface, debugstr_time(tStart));
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EnterCriticalSection(&This->csReceive);
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{
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if (This->filter.state == State_Stopped)
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{
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This->sink.end_of_stream = FALSE;
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if (This->pFuncsTable->pfnStartStreaming)
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hr = This->pFuncsTable->pfnStartStreaming(This);
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if (SUCCEEDED(hr))
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hr = BaseOutputPinImpl_Active(&This->source);
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}
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if (SUCCEEDED(hr))
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This->filter.state = State_Running;
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}
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LeaveCriticalSection(&This->csReceive);
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return hr;
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}
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static const IBaseFilterVtbl transform_vtbl =
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{
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BaseFilterImpl_QueryInterface,
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BaseFilterImpl_AddRef,
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BaseFilterImpl_Release,
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BaseFilterImpl_GetClassID,
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TransformFilterImpl_Stop,
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TransformFilterImpl_Pause,
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TransformFilterImpl_Run,
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BaseFilterImpl_GetState,
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BaseFilterImpl_SetSyncSource,
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BaseFilterImpl_GetSyncSource,
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BaseFilterImpl_EnumPins,
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BaseFilterImpl_FindPin,
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BaseFilterImpl_QueryFilterInfo,
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BaseFilterImpl_JoinFilterGraph,
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BaseFilterImpl_QueryVendorInfo
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};
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static HRESULT strmbase_transform_init(IUnknown *outer, const CLSID *clsid,
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const TransformFilterFuncTable *func_table, TransformFilter *filter)
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{
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ISeekingPassThru *passthru;
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HRESULT hr;
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strmbase_filter_init(&filter->filter, &transform_vtbl, outer, clsid, &filter_ops);
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InitializeCriticalSection(&filter->csReceive);
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filter->csReceive.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__": TransformFilter.csReceive");
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/* pTransformFilter is already allocated */
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filter->pFuncsTable = func_table;
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ZeroMemory(&filter->pmt, sizeof(filter->pmt));
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strmbase_sink_init(&filter->sink, &TransformFilter_InputPin_Vtbl, &filter->filter,
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wcsInputPinName, &tf_input_BaseInputFuncTable, NULL);
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strmbase_source_init(&filter->source, &TransformFilter_OutputPin_Vtbl, &filter->filter,
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wcsOutputPinName, &source_ops);
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QualityControlImpl_Create(&filter->sink.pin.IPin_iface,
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&filter->filter.IBaseFilter_iface, &filter->qcimpl);
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filter->qcimpl->IQualityControl_iface.lpVtbl = &TransformFilter_QualityControl_Vtbl;
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filter->seekthru_unk = NULL;
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hr = CoCreateInstance(&CLSID_SeekingPassThru, (IUnknown *)&filter->filter.IBaseFilter_iface,
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CLSCTX_INPROC_SERVER, &IID_IUnknown, (void **)&filter->seekthru_unk);
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if (SUCCEEDED(hr))
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{
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IUnknown_QueryInterface(filter->seekthru_unk, &IID_ISeekingPassThru, (void **)&passthru);
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ISeekingPassThru_Init(passthru, FALSE, &filter->sink.pin.IPin_iface);
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ISeekingPassThru_Release(passthru);
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}
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if (FAILED(hr))
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{
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strmbase_sink_cleanup(&filter->sink);
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strmbase_source_cleanup(&filter->source);
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strmbase_filter_cleanup(&filter->filter);
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}
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return hr;
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}
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HRESULT strmbase_transform_create(LONG filter_size, IUnknown *outer, const CLSID *pClsid,
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const TransformFilterFuncTable *pFuncsTable, IBaseFilter **ppTransformFilter)
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{
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TransformFilter* pTf;
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*ppTransformFilter = NULL;
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assert(filter_size >= sizeof(TransformFilter));
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pTf = CoTaskMemAlloc(filter_size);
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if (!pTf)
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return E_OUTOFMEMORY;
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ZeroMemory(pTf, filter_size);
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if (SUCCEEDED(strmbase_transform_init(outer, pClsid, pFuncsTable, pTf)))
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{
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*ppTransformFilter = &pTf->filter.IBaseFilter_iface;
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return S_OK;
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}
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CoTaskMemFree(pTf);
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return E_FAIL;
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}
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HRESULT WINAPI TransformFilterImpl_Notify(TransformFilter *filter, IBaseFilter *sender, Quality qm)
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{
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return QualityControlImpl_Notify(&filter->qcimpl->IQualityControl_iface, sender, qm);
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}
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static HRESULT WINAPI TransformFilter_InputPin_EndOfStream(IPin * iface)
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{
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TransformFilter *filter = impl_from_sink_IPin(iface);
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TRACE("iface %p.\n", iface);
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if (filter->source.pin.peer)
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return IPin_EndOfStream(filter->source.pin.peer);
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return VFW_E_NOT_CONNECTED;
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}
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static HRESULT WINAPI TransformFilter_InputPin_ReceiveConnection(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
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{
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TransformFilter *pTransform = impl_from_sink_IPin(iface);
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HRESULT hr = S_OK;
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TRACE("(%p)->(%p, %p)\n", iface, pReceivePin, pmt);
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strmbase_dump_media_type(pmt);
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if (pTransform->pFuncsTable->pfnSetMediaType)
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hr = pTransform->pFuncsTable->pfnSetMediaType(pTransform, PINDIR_INPUT, pmt);
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if (SUCCEEDED(hr) && pTransform->pFuncsTable->pfnCompleteConnect)
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hr = pTransform->pFuncsTable->pfnCompleteConnect(pTransform, PINDIR_INPUT, pReceivePin);
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if (SUCCEEDED(hr))
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{
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hr = BaseInputPinImpl_ReceiveConnection(iface, pReceivePin, pmt);
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if (FAILED(hr) && pTransform->pFuncsTable->pfnBreakConnect)
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pTransform->pFuncsTable->pfnBreakConnect(pTransform, PINDIR_INPUT);
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}
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return hr;
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}
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static HRESULT WINAPI TransformFilter_InputPin_Disconnect(IPin * iface)
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{
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TransformFilter *pTransform = impl_from_sink_IPin(iface);
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TRACE("(%p)->()\n", iface);
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if (pTransform->pFuncsTable->pfnBreakConnect)
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pTransform->pFuncsTable->pfnBreakConnect(pTransform, PINDIR_INPUT);
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return BasePinImpl_Disconnect(iface);
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}
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static HRESULT WINAPI TransformFilter_InputPin_BeginFlush(IPin * iface)
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{
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TransformFilter *pTransform = impl_from_sink_IPin(iface);
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HRESULT hr = S_OK;
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TRACE("(%p)->()\n", iface);
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EnterCriticalSection(&pTransform->filter.csFilter);
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if (pTransform->pFuncsTable->pfnBeginFlush)
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hr = pTransform->pFuncsTable->pfnBeginFlush(pTransform);
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if (SUCCEEDED(hr))
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hr = BaseInputPinImpl_BeginFlush(iface);
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LeaveCriticalSection(&pTransform->filter.csFilter);
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return hr;
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}
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static HRESULT WINAPI TransformFilter_InputPin_EndFlush(IPin * iface)
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{
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TransformFilter *pTransform = impl_from_sink_IPin(iface);
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HRESULT hr = S_OK;
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TRACE("(%p)->()\n", iface);
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EnterCriticalSection(&pTransform->filter.csFilter);
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if (pTransform->pFuncsTable->pfnEndFlush)
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hr = pTransform->pFuncsTable->pfnEndFlush(pTransform);
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if (SUCCEEDED(hr))
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hr = BaseInputPinImpl_EndFlush(iface);
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LeaveCriticalSection(&pTransform->filter.csFilter);
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return hr;
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}
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static HRESULT WINAPI TransformFilter_InputPin_NewSegment(IPin * iface, REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate)
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{
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TransformFilter *pTransform = impl_from_sink_IPin(iface);
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HRESULT hr = S_OK;
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TRACE("iface %p, start %s, stop %s, rate %.16e.\n",
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iface, debugstr_time(tStart), debugstr_time(tStop), dRate);
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EnterCriticalSection(&pTransform->filter.csFilter);
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if (pTransform->pFuncsTable->pfnNewSegment)
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hr = pTransform->pFuncsTable->pfnNewSegment(pTransform, tStart, tStop, dRate);
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if (SUCCEEDED(hr))
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hr = BaseInputPinImpl_NewSegment(iface, tStart, tStop, dRate);
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LeaveCriticalSection(&pTransform->filter.csFilter);
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return hr;
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}
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static const IPinVtbl TransformFilter_InputPin_Vtbl =
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{
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BasePinImpl_QueryInterface,
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BasePinImpl_AddRef,
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BasePinImpl_Release,
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BaseInputPinImpl_Connect,
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TransformFilter_InputPin_ReceiveConnection,
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TransformFilter_InputPin_Disconnect,
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BasePinImpl_ConnectedTo,
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BasePinImpl_ConnectionMediaType,
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BasePinImpl_QueryPinInfo,
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BasePinImpl_QueryDirection,
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BasePinImpl_QueryId,
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BasePinImpl_QueryAccept,
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BasePinImpl_EnumMediaTypes,
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BasePinImpl_QueryInternalConnections,
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TransformFilter_InputPin_EndOfStream,
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TransformFilter_InputPin_BeginFlush,
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TransformFilter_InputPin_EndFlush,
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|
TransformFilter_InputPin_NewSegment
|
|
};
|
|
|
|
static const IPinVtbl TransformFilter_OutputPin_Vtbl =
|
|
{
|
|
BasePinImpl_QueryInterface,
|
|
BasePinImpl_AddRef,
|
|
BasePinImpl_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
|
|
};
|