Sweden-Number/dlls/strmbase/renderer.c

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/*
* Generic Implementation of strmbase Base Renderer classes
*
* Copyright 2012 Aric Stewart, CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "strmbase_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(strmbase);
static inline struct strmbase_renderer *impl_from_strmbase_filter(struct strmbase_filter *iface)
{
return CONTAINING_RECORD(iface, struct strmbase_renderer, filter);
}
static const IQualityControlVtbl Renderer_QualityControl_Vtbl = {
QualityControlImpl_QueryInterface,
QualityControlImpl_AddRef,
QualityControlImpl_Release,
QualityControlImpl_Notify,
QualityControlImpl_SetSink
};
static inline struct strmbase_renderer *impl_from_IPin(IPin *iface)
{
return CONTAINING_RECORD(iface, struct strmbase_renderer, sink.pin.IPin_iface);
}
static struct strmbase_pin *renderer_get_pin(struct strmbase_filter *iface, unsigned int index)
{
struct strmbase_renderer *filter = impl_from_strmbase_filter(iface);
if (index == 0)
return &filter->sink.pin;
return NULL;
}
static void renderer_destroy(struct strmbase_filter *iface)
{
struct strmbase_renderer *filter = impl_from_strmbase_filter(iface);
filter->pFuncsTable->renderer_destroy(filter);
}
static HRESULT renderer_query_interface(struct strmbase_filter *iface, REFIID iid, void **out)
{
struct strmbase_renderer *filter = impl_from_strmbase_filter(iface);
HRESULT hr;
if (filter->pFuncsTable->renderer_query_interface
&& SUCCEEDED(hr = filter->pFuncsTable->renderer_query_interface(filter, iid, out)))
{
return hr;
}
if (IsEqualGUID(iid, &IID_IMediaPosition))
*out = &filter->passthrough.IMediaPosition_iface;
else if (IsEqualGUID(iid, &IID_IMediaSeeking))
*out = &filter->passthrough.IMediaSeeking_iface;
else if (IsEqualGUID(iid, &IID_IQualityControl))
*out = &filter->qcimpl->IQualityControl_iface;
else
return E_NOINTERFACE;
IUnknown_AddRef((IUnknown *)*out);
return S_OK;
}
static HRESULT renderer_init_stream(struct strmbase_filter *iface)
{
struct strmbase_renderer *filter = impl_from_strmbase_filter(iface);
if (filter->sink.pin.peer)
ResetEvent(filter->state_event);
filter->eos = FALSE;
ResetEvent(filter->flush_event);
if (filter->pFuncsTable->renderer_init_stream)
filter->pFuncsTable->renderer_init_stream(filter);
return filter->sink.pin.peer ? S_FALSE : S_OK;
}
static HRESULT renderer_start_stream(struct strmbase_filter *iface, REFERENCE_TIME start)
{
struct strmbase_renderer *filter = impl_from_strmbase_filter(iface);
filter->stream_start = start;
SetEvent(filter->state_event);
if (filter->sink.pin.peer)
filter->eos = FALSE;
QualityControlRender_Start(filter->qcimpl, filter->stream_start);
if (filter->sink.pin.peer && filter->pFuncsTable->renderer_start_stream)
filter->pFuncsTable->renderer_start_stream(filter);
return S_OK;
}
static HRESULT renderer_stop_stream(struct strmbase_filter *iface)
{
struct strmbase_renderer *filter = impl_from_strmbase_filter(iface);
if (filter->sink.pin.peer && filter->pFuncsTable->renderer_stop_stream)
filter->pFuncsTable->renderer_stop_stream(filter);
return S_OK;
}
static HRESULT renderer_cleanup_stream(struct strmbase_filter *iface)
{
struct strmbase_renderer *filter = impl_from_strmbase_filter(iface);
strmbase_passthrough_invalidate_time(&filter->passthrough);
SetEvent(filter->state_event);
SetEvent(filter->flush_event);
return S_OK;
}
static HRESULT renderer_wait_state(struct strmbase_filter *iface, DWORD timeout)
{
struct strmbase_renderer *filter = impl_from_strmbase_filter(iface);
if (WaitForSingleObject(filter->state_event, timeout) == WAIT_TIMEOUT)
return VFW_S_STATE_INTERMEDIATE;
return S_OK;
}
static const struct strmbase_filter_ops filter_ops =
{
.filter_get_pin = renderer_get_pin,
.filter_destroy = renderer_destroy,
.filter_query_interface = renderer_query_interface,
.filter_init_stream = renderer_init_stream,
.filter_start_stream = renderer_start_stream,
.filter_stop_stream = renderer_stop_stream,
.filter_cleanup_stream = renderer_cleanup_stream,
.filter_wait_state = renderer_wait_state,
};
static HRESULT sink_query_accept(struct strmbase_pin *pin, const AM_MEDIA_TYPE *mt)
{
struct strmbase_renderer *filter = impl_from_IPin(&pin->IPin_iface);
return filter->pFuncsTable->pfnCheckMediaType(filter, mt);
}
static HRESULT sink_query_interface(struct strmbase_pin *iface, REFIID iid, void **out)
{
struct strmbase_renderer *filter = impl_from_IPin(&iface->IPin_iface);
HRESULT hr;
if (filter->pFuncsTable->renderer_pin_query_interface
&& SUCCEEDED(hr = filter->pFuncsTable->renderer_pin_query_interface(filter, iid, out)))
return hr;
if (IsEqualGUID(iid, &IID_IMemInputPin))
*out = &filter->sink.IMemInputPin_iface;
else
return E_NOINTERFACE;
IUnknown_AddRef((IUnknown *)*out);
return S_OK;
}
static HRESULT WINAPI BaseRenderer_Receive(struct strmbase_sink *pin, IMediaSample *sample)
{
struct strmbase_renderer *filter = impl_from_IPin(&pin->pin.IPin_iface);
return BaseRendererImpl_Receive(filter, sample);
}
static HRESULT sink_connect(struct strmbase_sink *iface, IPin *peer, const AM_MEDIA_TYPE *mt)
{
struct strmbase_renderer *filter = impl_from_IPin(&iface->pin.IPin_iface);
if (filter->pFuncsTable->renderer_connect)
return filter->pFuncsTable->renderer_connect(filter, mt);
return S_OK;
}
static void sink_disconnect(struct strmbase_sink *iface)
{
struct strmbase_renderer *filter = impl_from_IPin(&iface->pin.IPin_iface);
if (filter->pFuncsTable->pfnBreakConnect)
filter->pFuncsTable->pfnBreakConnect(filter);
}
static HRESULT sink_eos(struct strmbase_sink *iface)
{
struct strmbase_renderer *filter = impl_from_IPin(&iface->pin.IPin_iface);
IFilterGraph *graph = filter->filter.graph;
IMediaEventSink *event_sink;
HRESULT hr = S_OK;
EnterCriticalSection(&filter->csRenderLock);
filter->eos = TRUE;
if (graph && SUCCEEDED(IFilterGraph_QueryInterface(graph,
&IID_IMediaEventSink, (void **)&event_sink)))
{
IMediaEventSink_Notify(event_sink, EC_COMPLETE, S_OK,
(LONG_PTR)&filter->filter.IBaseFilter_iface);
IMediaEventSink_Release(event_sink);
}
strmbase_passthrough_eos(&filter->passthrough);
SetEvent(filter->state_event);
if (filter->pFuncsTable->pfnEndOfStream)
hr = filter->pFuncsTable->pfnEndOfStream(filter);
LeaveCriticalSection(&filter->csRenderLock);
return hr;
}
static HRESULT sink_begin_flush(struct strmbase_sink *iface)
{
struct strmbase_renderer *filter = impl_from_IPin(&iface->pin.IPin_iface);
SetEvent(filter->flush_event);
return S_OK;
}
static HRESULT sink_end_flush(struct strmbase_sink *iface)
{
struct strmbase_renderer *filter = impl_from_IPin(&iface->pin.IPin_iface);
HRESULT hr = S_OK;
EnterCriticalSection(&filter->csRenderLock);
filter->eos = FALSE;
QualityControlRender_Start(filter->qcimpl, filter->stream_start);
strmbase_passthrough_invalidate_time(&filter->passthrough);
ResetEvent(filter->flush_event);
if (filter->pFuncsTable->pfnEndFlush)
hr = filter->pFuncsTable->pfnEndFlush(filter);
LeaveCriticalSection(&filter->csRenderLock);
return hr;
}
static const struct strmbase_sink_ops sink_ops =
{
.base.pin_query_accept = sink_query_accept,
.base.pin_query_interface = sink_query_interface,
.base.pin_get_media_type = strmbase_pin_get_media_type,
.pfnReceive = BaseRenderer_Receive,
.sink_connect = sink_connect,
.sink_disconnect = sink_disconnect,
.sink_eos = sink_eos,
.sink_begin_flush = sink_begin_flush,
.sink_end_flush = sink_end_flush,
};
void strmbase_renderer_cleanup(struct strmbase_renderer *filter)
{
if (filter->sink.pin.peer)
IPin_Disconnect(filter->sink.pin.peer);
IPin_Disconnect(&filter->sink.pin.IPin_iface);
strmbase_sink_cleanup(&filter->sink);
strmbase_passthrough_cleanup(&filter->passthrough);
filter->csRenderLock.DebugInfo->Spare[0] = 0;
DeleteCriticalSection(&filter->csRenderLock);
CloseHandle(filter->state_event);
CloseHandle(filter->advise_event);
CloseHandle(filter->flush_event);
QualityControlImpl_Destroy(filter->qcimpl);
strmbase_filter_cleanup(&filter->filter);
}
HRESULT WINAPI BaseRendererImpl_Receive(struct strmbase_renderer *This, IMediaSample *pSample)
{
HRESULT hr = S_OK;
REFERENCE_TIME start, stop;
AM_MEDIA_TYPE *pmt;
TRACE("(%p)->%p\n", This, pSample);
if (This->eos || This->sink.flushing)
return S_FALSE;
if (This->filter.state == State_Stopped)
return VFW_E_WRONG_STATE;
if (IMediaSample_GetMediaType(pSample, &pmt) == S_OK)
{
TRACE("Format change.\n");
strmbase_dump_media_type(pmt);
if (FAILED(This->pFuncsTable->pfnCheckMediaType(This, pmt)))
{
return VFW_E_TYPE_NOT_ACCEPTED;
}
DeleteMediaType(pmt);
}
if (This->pFuncsTable->pfnPrepareReceive)
hr = This->pFuncsTable->pfnPrepareReceive(This, pSample);
if (FAILED(hr))
{
if (hr == VFW_E_SAMPLE_REJECTED)
return S_OK;
else
return hr;
}
EnterCriticalSection(&This->csRenderLock);
if (This->filter.state == State_Paused)
SetEvent(This->state_event);
/* Wait for render Time */
if (This->filter.clock && SUCCEEDED(IMediaSample_GetTime(pSample, &start, &stop)))
{
hr = S_FALSE;
strmbase_passthrough_update_time(&This->passthrough, start);
if (This->pFuncsTable->pfnShouldDrawSampleNow)
hr = This->pFuncsTable->pfnShouldDrawSampleNow(This, pSample, &start, &stop);
if (hr == S_OK)
;/* Do not wait: drop through */
else if (hr == S_FALSE)
{
REFERENCE_TIME now;
DWORD_PTR cookie;
IReferenceClock_GetTime(This->filter.clock, &now);
if (now - This->stream_start - start <= -10000)
{
HANDLE handles[2] = {This->advise_event, This->flush_event};
DWORD ret;
IReferenceClock_AdviseTime(This->filter.clock, This->stream_start,
start, (HEVENT)This->advise_event, &cookie);
LeaveCriticalSection(&This->csRenderLock);
ret = WaitForMultipleObjects(2, handles, FALSE, INFINITE);
IReferenceClock_Unadvise(This->filter.clock, cookie);
if (ret == 1)
{
TRACE("Flush signaled, discarding current sample.\n");
return S_OK;
}
EnterCriticalSection(&This->csRenderLock);
}
}
else
{
LeaveCriticalSection(&This->csRenderLock);
/* Drop Sample */
return S_OK;
}
}
else
start = stop = -1;
if (SUCCEEDED(hr))
{
QualityControlRender_BeginRender(This->qcimpl, start, stop);
hr = This->pFuncsTable->pfnDoRenderSample(This, pSample);
QualityControlRender_EndRender(This->qcimpl);
}
QualityControlRender_DoQOS(This->qcimpl);
LeaveCriticalSection(&This->csRenderLock);
return hr;
}
void strmbase_renderer_init(struct strmbase_renderer *filter, IUnknown *outer,
const CLSID *clsid, const WCHAR *sink_name, const struct strmbase_renderer_ops *ops)
{
memset(filter, 0, sizeof(*filter));
strmbase_filter_init(&filter->filter, outer, clsid, &filter_ops);
strmbase_passthrough_init(&filter->passthrough, (IUnknown *)&filter->filter.IBaseFilter_iface);
ISeekingPassThru_Init(&filter->passthrough.ISeekingPassThru_iface, TRUE, &filter->sink.pin.IPin_iface);
filter->pFuncsTable = ops;
strmbase_sink_init(&filter->sink, &filter->filter, sink_name, &sink_ops, NULL);
InitializeCriticalSection(&filter->csRenderLock);
filter->csRenderLock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__": strmbase_renderer.csRenderLock");
filter->state_event = CreateEventW(NULL, TRUE, TRUE, NULL);
filter->advise_event = CreateEventW(NULL, FALSE, FALSE, NULL);
filter->flush_event = CreateEventW(NULL, TRUE, TRUE, NULL);
QualityControlImpl_Create(&filter->sink.pin, &filter->qcimpl);
filter->qcimpl->IQualityControl_iface.lpVtbl = &Renderer_QualityControl_Vtbl;
}