forked from Mirrors/wine-wine
454 lines
14 KiB
C
454 lines
14 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 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(struct strmbase_sink *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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/* We do not expect pin connection state to change while the filter is
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* running. This guarantee is necessary, since otherwise we would have to
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* take the filter lock, and we can't take the filter lock from a streaming
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* thread. */
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if (!pTransform->source.pMemInputPin)
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{
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WARN("Source is not connected, returning VFW_E_NOT_CONNECTED.\n");
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return VFW_E_NOT_CONNECTED;
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}
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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->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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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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LeaveCriticalSection(&pTransform->csReceive);
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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 struct strmbase_pin *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;
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else if (index == 1)
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return &filter->source.pin;
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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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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 HRESULT transform_init_stream(struct strmbase_filter *iface)
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{
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TransformFilter *filter = impl_from_strmbase_filter(iface);
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HRESULT hr = S_OK;
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EnterCriticalSection(&filter->csReceive);
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if (filter->pFuncsTable->pfnStartStreaming)
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hr = filter->pFuncsTable->pfnStartStreaming(filter);
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if (SUCCEEDED(hr))
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hr = BaseOutputPinImpl_Active(&filter->source);
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LeaveCriticalSection(&filter->csReceive);
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return hr;
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}
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static HRESULT transform_cleanup_stream(struct strmbase_filter *iface)
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{
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TransformFilter *filter = impl_from_strmbase_filter(iface);
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HRESULT hr = S_OK;
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EnterCriticalSection(&filter->csReceive);
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if (filter->pFuncsTable->pfnStopStreaming)
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hr = filter->pFuncsTable->pfnStopStreaming(filter);
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if (SUCCEEDED(hr))
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hr = BaseOutputPinImpl_Inactive(&filter->source);
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LeaveCriticalSection(&filter->csReceive);
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return hr;
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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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.filter_init_stream = transform_init_stream,
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.filter_cleanup_stream = transform_cleanup_stream,
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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 HRESULT sink_connect(struct strmbase_sink *iface, IPin *peer, const AM_MEDIA_TYPE *mt)
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{
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TransformFilter *filter = impl_from_sink_IPin(&iface->pin.IPin_iface);
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if (filter->pFuncsTable->transform_connect_sink)
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return filter->pFuncsTable->transform_connect_sink(filter, mt);
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return S_OK;
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}
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static void sink_disconnect(struct strmbase_sink *iface)
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{
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TransformFilter *filter = impl_from_sink_IPin(&iface->pin.IPin_iface);
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if (filter->pFuncsTable->pfnBreakConnect)
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filter->pFuncsTable->pfnBreakConnect(filter, PINDIR_INPUT);
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}
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static HRESULT sink_eos(struct strmbase_sink *iface)
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{
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TransformFilter *filter = impl_from_sink_IPin(&iface->pin.IPin_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 sink_begin_flush(struct strmbase_sink *iface)
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{
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TransformFilter *filter = impl_from_sink_IPin(&iface->pin.IPin_iface);
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HRESULT hr = S_OK;
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if (filter->pFuncsTable->pfnBeginFlush)
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hr = filter->pFuncsTable->pfnBeginFlush(filter);
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if (SUCCEEDED(hr) && filter->source.pin.peer)
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hr = IPin_BeginFlush(filter->source.pin.peer);
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return hr;
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}
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static HRESULT sink_end_flush(struct strmbase_sink *iface)
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{
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TransformFilter *filter = impl_from_sink_IPin(&iface->pin.IPin_iface);
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HRESULT hr = S_OK;
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if (filter->pFuncsTable->pfnEndFlush)
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hr = filter->pFuncsTable->pfnEndFlush(filter);
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if (SUCCEEDED(hr) && filter->source.pin.peer)
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hr = IPin_EndFlush(filter->source.pin.peer);
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return hr;
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}
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static HRESULT sink_new_segment(struct strmbase_sink *iface,
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REFERENCE_TIME start, REFERENCE_TIME stop, double rate)
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{
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TransformFilter *filter = impl_from_sink_IPin(&iface->pin.IPin_iface);
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HRESULT hr = S_OK;
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if (filter->pFuncsTable->pfnNewSegment)
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hr = filter->pFuncsTable->pfnNewSegment(filter, start, stop, rate);
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if (SUCCEEDED(hr) && filter->source.pin.peer)
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hr = IPin_NewSegment(filter->source.pin.peer, start, stop, rate);
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return hr;
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}
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static const struct strmbase_sink_ops sink_ops =
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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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.sink_connect = sink_connect,
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.sink_disconnect = sink_disconnect,
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.sink_eos = sink_eos,
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.sink_begin_flush = sink_begin_flush,
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.sink_end_flush = sink_end_flush,
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.sink_new_segment = sink_new_segment,
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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->source_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 TransformFilter *impl_from_source_IQualityControl(IQualityControl *iface)
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{
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return CONTAINING_RECORD(iface, TransformFilter, source_IQualityControl_iface);
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}
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static HRESULT WINAPI transform_source_qc_QueryInterface(IQualityControl *iface,
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REFIID iid, void **out)
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{
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TransformFilter *filter = impl_from_source_IQualityControl(iface);
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return IPin_QueryInterface(&filter->source.pin.IPin_iface, iid, out);
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}
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static ULONG WINAPI transform_source_qc_AddRef(IQualityControl *iface)
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{
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TransformFilter *filter = impl_from_source_IQualityControl(iface);
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return IPin_AddRef(&filter->source.pin.IPin_iface);
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}
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static ULONG WINAPI transform_source_qc_Release(IQualityControl *iface)
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{
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TransformFilter *filter = impl_from_source_IQualityControl(iface);
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return IPin_Release(&filter->source.pin.IPin_iface);
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}
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HRESULT WINAPI TransformFilterImpl_Notify(TransformFilter *filter, IBaseFilter *sender, Quality q)
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{
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IQualityControl *peer;
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HRESULT hr = S_FALSE;
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if (filter->source_qc_sink)
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return IQualityControl_Notify(filter->source_qc_sink, &filter->filter.IBaseFilter_iface, q);
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if (filter->sink.pin.peer
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&& SUCCEEDED(IPin_QueryInterface(filter->sink.pin.peer, &IID_IQualityControl, (void **)&peer)))
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{
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hr = IQualityControl_Notify(peer, &filter->filter.IBaseFilter_iface, q);
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IQualityControl_Release(peer);
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}
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return hr;
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}
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static HRESULT WINAPI transform_source_qc_Notify(IQualityControl *iface,
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IBaseFilter *sender, Quality q)
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{
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TransformFilter *filter = impl_from_source_IQualityControl(iface);
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TRACE("filter %p, sender %p, type %#x, proportion %u, late %s, timestamp %s.\n",
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filter, sender, q.Type, q.Proportion, debugstr_time(q.Late), debugstr_time(q.TimeStamp));
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if (filter->pFuncsTable->pfnNotify)
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return filter->pFuncsTable->pfnNotify(filter, sender, q);
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return TransformFilterImpl_Notify(filter, sender, q);
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}
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static HRESULT WINAPI transform_source_qc_SetSink(IQualityControl *iface, IQualityControl *sink)
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{
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TransformFilter *filter = impl_from_source_IQualityControl(iface);
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TRACE("filter %p, sink %p.\n", filter, sink);
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filter->source_qc_sink = sink;
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return S_OK;
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}
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static const IQualityControlVtbl source_qc_vtbl =
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{
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transform_source_qc_QueryInterface,
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transform_source_qc_AddRef,
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transform_source_qc_Release,
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transform_source_qc_Notify,
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transform_source_qc_SetSink,
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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, 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, &filter->filter, wcsInputPinName, &sink_ops, NULL);
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strmbase_source_init(&filter->source, &filter->filter, wcsOutputPinName, &source_ops);
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filter->source_IQualityControl_iface.lpVtbl = &source_qc_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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