354 lines
11 KiB
C
354 lines
11 KiB
C
/*
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* Generic Implementation of strmbase Base Renderer classes
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*
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* Copyright 2012 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 inline struct strmbase_renderer *impl_from_strmbase_filter(struct strmbase_filter *iface)
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{
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return CONTAINING_RECORD(iface, struct strmbase_renderer, filter);
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}
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static inline struct strmbase_renderer *impl_from_IPin(IPin *iface)
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{
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return CONTAINING_RECORD(iface, struct strmbase_renderer, sink.pin.IPin_iface);
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}
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static struct strmbase_pin *renderer_get_pin(struct strmbase_filter *iface, unsigned int index)
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{
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struct strmbase_renderer *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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return NULL;
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}
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static void renderer_destroy(struct strmbase_filter *iface)
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{
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struct strmbase_renderer *filter = impl_from_strmbase_filter(iface);
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filter->pFuncsTable->renderer_destroy(filter);
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}
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static HRESULT renderer_query_interface(struct strmbase_filter *iface, REFIID iid, void **out)
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{
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struct strmbase_renderer *filter = impl_from_strmbase_filter(iface);
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HRESULT hr;
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if (filter->pFuncsTable->renderer_query_interface
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&& SUCCEEDED(hr = filter->pFuncsTable->renderer_query_interface(filter, iid, out)))
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{
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return hr;
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}
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if (IsEqualGUID(iid, &IID_IMediaPosition))
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*out = &filter->passthrough.IMediaPosition_iface;
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else if (IsEqualGUID(iid, &IID_IMediaSeeking))
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*out = &filter->passthrough.IMediaSeeking_iface;
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else if (IsEqualGUID(iid, &IID_IQualityControl))
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*out = &filter->qc.IQualityControl_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 renderer_init_stream(struct strmbase_filter *iface)
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{
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struct strmbase_renderer *filter = impl_from_strmbase_filter(iface);
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if (filter->sink.pin.peer)
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ResetEvent(filter->state_event);
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filter->eos = FALSE;
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ResetEvent(filter->flush_event);
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if (filter->pFuncsTable->renderer_init_stream)
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filter->pFuncsTable->renderer_init_stream(filter);
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return filter->sink.pin.peer ? S_FALSE : S_OK;
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}
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static HRESULT renderer_start_stream(struct strmbase_filter *iface, REFERENCE_TIME start)
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{
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struct strmbase_renderer *filter = impl_from_strmbase_filter(iface);
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filter->stream_start = start;
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SetEvent(filter->state_event);
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if (filter->sink.pin.peer)
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filter->eos = FALSE;
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QualityControlRender_Start(&filter->qc, filter->stream_start);
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if (filter->sink.pin.peer && filter->pFuncsTable->renderer_start_stream)
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filter->pFuncsTable->renderer_start_stream(filter);
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return S_OK;
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}
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static HRESULT renderer_stop_stream(struct strmbase_filter *iface)
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{
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struct strmbase_renderer *filter = impl_from_strmbase_filter(iface);
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if (filter->sink.pin.peer && filter->pFuncsTable->renderer_stop_stream)
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filter->pFuncsTable->renderer_stop_stream(filter);
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return S_OK;
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}
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static HRESULT renderer_cleanup_stream(struct strmbase_filter *iface)
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{
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struct strmbase_renderer *filter = impl_from_strmbase_filter(iface);
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strmbase_passthrough_invalidate_time(&filter->passthrough);
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SetEvent(filter->state_event);
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SetEvent(filter->flush_event);
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return S_OK;
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}
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static HRESULT renderer_wait_state(struct strmbase_filter *iface, DWORD timeout)
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{
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struct strmbase_renderer *filter = impl_from_strmbase_filter(iface);
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if (WaitForSingleObject(filter->state_event, timeout) == WAIT_TIMEOUT)
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return VFW_S_STATE_INTERMEDIATE;
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return S_OK;
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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 = renderer_get_pin,
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.filter_destroy = renderer_destroy,
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.filter_query_interface = renderer_query_interface,
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.filter_init_stream = renderer_init_stream,
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.filter_start_stream = renderer_start_stream,
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.filter_stop_stream = renderer_stop_stream,
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.filter_cleanup_stream = renderer_cleanup_stream,
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.filter_wait_state = renderer_wait_state,
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};
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static HRESULT sink_query_accept(struct strmbase_pin *pin, const AM_MEDIA_TYPE *mt)
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{
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struct strmbase_renderer *filter = impl_from_IPin(&pin->IPin_iface);
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return filter->pFuncsTable->pfnCheckMediaType(filter, mt);
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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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struct strmbase_renderer *filter = impl_from_IPin(&iface->IPin_iface);
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HRESULT hr;
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if (filter->pFuncsTable->renderer_pin_query_interface
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&& SUCCEEDED(hr = filter->pFuncsTable->renderer_pin_query_interface(filter, iid, out)))
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return hr;
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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 WINAPI BaseRenderer_Receive(struct strmbase_sink *pin, IMediaSample *sample)
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{
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struct strmbase_renderer *filter = impl_from_IPin(&pin->pin.IPin_iface);
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REFERENCE_TIME start, stop;
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BOOL need_wait = FALSE;
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FILTER_STATE state;
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HRESULT hr = S_OK;
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AM_MEDIA_TYPE *mt;
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if (filter->eos || filter->sink.flushing)
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return S_FALSE;
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state = filter->filter.state;
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if (state == State_Stopped)
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return VFW_E_WRONG_STATE;
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if (IMediaSample_GetMediaType(sample, &mt) == S_OK)
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{
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TRACE("Format change.\n");
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strmbase_dump_media_type(mt);
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if (FAILED(filter->pFuncsTable->pfnCheckMediaType(filter, mt)))
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return VFW_E_TYPE_NOT_ACCEPTED;
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DeleteMediaType(mt);
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}
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if (filter->filter.clock && SUCCEEDED(IMediaSample_GetTime(sample, &start, &stop)))
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{
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strmbase_passthrough_update_time(&filter->passthrough, start);
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need_wait = TRUE;
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}
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else
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start = stop = -1;
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if (state == State_Paused)
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{
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QualityControlRender_BeginRender(&filter->qc, start, stop);
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hr = filter->pFuncsTable->pfnDoRenderSample(filter, sample);
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QualityControlRender_EndRender(&filter->qc);
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}
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if (need_wait)
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{
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REFERENCE_TIME now;
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DWORD_PTR cookie;
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IReferenceClock_GetTime(filter->filter.clock, &now);
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if (now - filter->stream_start - start <= -10000)
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{
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HANDLE handles[2] = {filter->advise_event, filter->flush_event};
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DWORD ret;
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IReferenceClock_AdviseTime(filter->filter.clock, filter->stream_start,
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start, (HEVENT)filter->advise_event, &cookie);
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ret = WaitForMultipleObjects(2, handles, FALSE, INFINITE);
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IReferenceClock_Unadvise(filter->filter.clock, cookie);
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if (ret == 1)
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{
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TRACE("Flush signaled; discarding current sample.\n");
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return S_OK;
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}
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}
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}
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if (state == State_Running)
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{
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QualityControlRender_BeginRender(&filter->qc, start, stop);
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hr = filter->pFuncsTable->pfnDoRenderSample(filter, sample);
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QualityControlRender_EndRender(&filter->qc);
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}
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QualityControlRender_DoQOS(&filter->qc);
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return hr;
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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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struct strmbase_renderer *filter = impl_from_IPin(&iface->pin.IPin_iface);
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if (filter->pFuncsTable->renderer_connect)
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return filter->pFuncsTable->renderer_connect(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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struct strmbase_renderer *filter = impl_from_IPin(&iface->pin.IPin_iface);
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if (filter->pFuncsTable->pfnBreakConnect)
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filter->pFuncsTable->pfnBreakConnect(filter);
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}
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static HRESULT sink_eos(struct strmbase_sink *iface)
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{
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struct strmbase_renderer *filter = impl_from_IPin(&iface->pin.IPin_iface);
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IFilterGraph *graph = filter->filter.graph;
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IMediaEventSink *event_sink;
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filter->eos = TRUE;
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if (graph && SUCCEEDED(IFilterGraph_QueryInterface(graph,
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&IID_IMediaEventSink, (void **)&event_sink)))
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{
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IMediaEventSink_Notify(event_sink, EC_COMPLETE, S_OK,
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(LONG_PTR)&filter->filter.IBaseFilter_iface);
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IMediaEventSink_Release(event_sink);
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}
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strmbase_passthrough_eos(&filter->passthrough);
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SetEvent(filter->state_event);
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return S_OK;
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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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struct strmbase_renderer *filter = impl_from_IPin(&iface->pin.IPin_iface);
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SetEvent(filter->flush_event);
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return S_OK;
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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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struct strmbase_renderer *filter = impl_from_IPin(&iface->pin.IPin_iface);
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EnterCriticalSection(&filter->filter.stream_cs);
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filter->eos = FALSE;
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QualityControlRender_Start(&filter->qc, filter->stream_start);
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strmbase_passthrough_invalidate_time(&filter->passthrough);
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ResetEvent(filter->flush_event);
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LeaveCriticalSection(&filter->filter.stream_cs);
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return S_OK;
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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_query_interface = sink_query_interface,
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.pfnReceive = BaseRenderer_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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};
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void strmbase_renderer_cleanup(struct strmbase_renderer *filter)
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{
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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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strmbase_sink_cleanup(&filter->sink);
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strmbase_passthrough_cleanup(&filter->passthrough);
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CloseHandle(filter->state_event);
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CloseHandle(filter->advise_event);
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CloseHandle(filter->flush_event);
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strmbase_filter_cleanup(&filter->filter);
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}
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void strmbase_renderer_init(struct strmbase_renderer *filter, IUnknown *outer,
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const CLSID *clsid, const WCHAR *sink_name, const struct strmbase_renderer_ops *ops)
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{
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memset(filter, 0, sizeof(*filter));
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strmbase_filter_init(&filter->filter, outer, clsid, &filter_ops);
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strmbase_passthrough_init(&filter->passthrough, (IUnknown *)&filter->filter.IBaseFilter_iface);
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ISeekingPassThru_Init(&filter->passthrough.ISeekingPassThru_iface, TRUE, &filter->sink.pin.IPin_iface);
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strmbase_qc_init(&filter->qc, &filter->sink.pin);
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filter->pFuncsTable = ops;
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strmbase_sink_init(&filter->sink, &filter->filter, sink_name, &sink_ops, NULL);
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filter->state_event = CreateEventW(NULL, TRUE, TRUE, NULL);
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filter->advise_event = CreateEventW(NULL, FALSE, FALSE, NULL);
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filter->flush_event = CreateEventW(NULL, TRUE, TRUE, NULL);
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}
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