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/*
* Implementation of MediaStream Filter
*
* Copyright 2008, 2012 Christian Costa
*
* 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 "wine/debug.h"
#define COBJMACROS
#include "winbase.h"
#include "wingdi.h"
#include "dshow.h"
#include "wine/strmbase.h"
#include "amstream_private.h"
#include "ddstream.h"
WINE_DEFAULT_DEBUG_CHANNEL(amstream);
typedef struct {
BaseFilter filter;
ULONG nb_streams;
IAMMediaStream** streams;
} IMediaStreamFilterImpl;
static inline IMediaStreamFilterImpl *impl_from_IMediaStreamFilter(IMediaStreamFilter *iface)
{
return CONTAINING_RECORD(iface, IMediaStreamFilterImpl, filter);
}
/*** IUnknown methods ***/
static HRESULT WINAPI MediaStreamFilterImpl_QueryInterface(IMediaStreamFilter *iface, REFIID riid, void **ret_iface)
{
TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ret_iface);
*ret_iface = NULL;
if (IsEqualIID(riid, &IID_IUnknown) ||
IsEqualIID(riid, &IID_IPersist) ||
IsEqualIID(riid, &IID_IMediaFilter) ||
IsEqualIID(riid, &IID_IBaseFilter) ||
IsEqualIID(riid, &IID_IMediaStreamFilter))
*ret_iface = iface;
if (*ret_iface)
{
IMediaStreamFilter_AddRef(*ret_iface);
return S_OK;
}
return E_NOINTERFACE;
}
static ULONG WINAPI MediaStreamFilterImpl_AddRef(IMediaStreamFilter *iface)
{
IMediaStreamFilterImpl *This = impl_from_IMediaStreamFilter(iface);
ULONG ref = BaseFilterImpl_AddRef(&This->filter.IBaseFilter_iface);
TRACE("(%p)->(): new ref = %u\n", iface, ref);
return ref;
}
static ULONG WINAPI MediaStreamFilterImpl_Release(IMediaStreamFilter *iface)
{
IMediaStreamFilterImpl *This = impl_from_IMediaStreamFilter(iface);
ULONG ref = InterlockedDecrement(&This->filter.refCount);
TRACE("(%p)->(): new ref = %u\n", iface, ref);
if (!ref)
{
ULONG i;
for (i = 0; i < This->nb_streams; i++)
{
IAMMediaStream_JoinFilter(This->streams[i], NULL);
IAMMediaStream_Release(This->streams[i]);
}
CoTaskMemFree(This->streams);
BaseFilter_Destroy(&This->filter);
HeapFree(GetProcessHeap(), 0, This);
}
return ref;
}
/*** IPersist methods ***/
static HRESULT WINAPI MediaStreamFilterImpl_GetClassID(IMediaStreamFilter *iface, CLSID *clsid)
{
IMediaStreamFilterImpl *This = impl_from_IMediaStreamFilter(iface);
return BaseFilterImpl_GetClassID(&This->filter.IBaseFilter_iface, clsid);
}
/*** IBaseFilter methods ***/
static HRESULT WINAPI MediaStreamFilterImpl_Stop(IMediaStreamFilter *iface)
{
FIXME("(%p)->(): Stub!\n", iface);
return E_NOTIMPL;
}
static HRESULT WINAPI MediaStreamFilterImpl_Pause(IMediaStreamFilter *iface)
{
FIXME("(%p)->(): Stub!\n", iface);
return E_NOTIMPL;
}
static HRESULT WINAPI MediaStreamFilterImpl_Run(IMediaStreamFilter *iface, REFERENCE_TIME start)
{
FIXME("(%p)->(%s): Stub!\n", iface, wine_dbgstr_longlong(start));
return E_NOTIMPL;
}
static HRESULT WINAPI MediaStreamFilterImpl_GetState(IMediaStreamFilter *iface, DWORD ms_timeout, FILTER_STATE *state)
{
IMediaStreamFilterImpl *This = impl_from_IMediaStreamFilter(iface);
return BaseFilterImpl_GetState(&This->filter.IBaseFilter_iface, ms_timeout, state);
}
static HRESULT WINAPI MediaStreamFilterImpl_SetSyncSource(IMediaStreamFilter *iface, IReferenceClock *clock)
{
IMediaStreamFilterImpl *This = impl_from_IMediaStreamFilter(iface);
return BaseFilterImpl_SetSyncSource(&This->filter.IBaseFilter_iface, clock);
}
static HRESULT WINAPI MediaStreamFilterImpl_GetSyncSource(IMediaStreamFilter *iface, IReferenceClock **clock)
{
IMediaStreamFilterImpl *This = impl_from_IMediaStreamFilter(iface);
return BaseFilterImpl_GetSyncSource(&This->filter.IBaseFilter_iface, clock);
}
static HRESULT WINAPI MediaStreamFilterImpl_EnumPins(IMediaStreamFilter *iface, IEnumPins **enum_pins)
{
IMediaStreamFilterImpl *This = impl_from_IMediaStreamFilter(iface);
return BaseFilterImpl_EnumPins(&This->filter.IBaseFilter_iface, enum_pins);
}
static HRESULT WINAPI MediaStreamFilterImpl_FindPin(IMediaStreamFilter *iface, LPCWSTR id, IPin **pin)
{
IMediaStreamFilterImpl *This = impl_from_IMediaStreamFilter(iface);
return BaseFilterImpl_FindPin(&This->filter.IBaseFilter_iface, id, pin);
}
static HRESULT WINAPI MediaStreamFilterImpl_QueryFilterInfo(IMediaStreamFilter *iface, FILTER_INFO *info)
{
IMediaStreamFilterImpl *This = impl_from_IMediaStreamFilter(iface);
return BaseFilterImpl_QueryFilterInfo(&This->filter.IBaseFilter_iface, info);
}
static HRESULT WINAPI MediaStreamFilterImpl_JoinFilterGraph(IMediaStreamFilter *iface, IFilterGraph *graph, LPCWSTR name)
{
IMediaStreamFilterImpl *This = impl_from_IMediaStreamFilter(iface);
return BaseFilterImpl_JoinFilterGraph(&This->filter.IBaseFilter_iface, graph, name);
}
static HRESULT WINAPI MediaStreamFilterImpl_QueryVendorInfo(IMediaStreamFilter *iface, LPWSTR *vendor_info)
{
IMediaStreamFilterImpl *This = impl_from_IMediaStreamFilter(iface);
return BaseFilterImpl_QueryVendorInfo(&This->filter.IBaseFilter_iface, vendor_info);
}
/*** IMediaStreamFilter methods ***/
static HRESULT WINAPI MediaStreamFilterImpl_AddMediaStream(IMediaStreamFilter* iface, IAMMediaStream *pAMMediaStream)
{
IMediaStreamFilterImpl *This = impl_from_IMediaStreamFilter(iface);
IAMMediaStream** streams;
HRESULT hr;
TRACE("(%p)->(%p)\n", iface, pAMMediaStream);
streams = CoTaskMemRealloc(This->streams, (This->nb_streams + 1) * sizeof(IAMMediaStream*));
if (!streams)
return E_OUTOFMEMORY;
This->streams = streams;
hr = IAMMediaStream_JoinFilter(pAMMediaStream, iface);
if (FAILED(hr))
return hr;
This->streams[This->nb_streams] = pAMMediaStream;
This->nb_streams++;
IAMMediaStream_AddRef(pAMMediaStream);
return S_OK;
}
static HRESULT WINAPI MediaStreamFilterImpl_GetMediaStream(IMediaStreamFilter* iface, REFMSPID idPurpose, IMediaStream **ppMediaStream)
{
IMediaStreamFilterImpl *This = impl_from_IMediaStreamFilter(iface);
MSPID purpose_id;
unsigned int i;
TRACE("(%p)->(%s,%p)\n", iface, debugstr_guid(idPurpose), ppMediaStream);
for (i = 0; i < This->nb_streams; i++)
{
IAMMediaStream_GetInformation(This->streams[i], &purpose_id, NULL);
if (IsEqualIID(&purpose_id, idPurpose))
{
*ppMediaStream = (IMediaStream *)This->streams[i];
IMediaStream_AddRef(*ppMediaStream);
return S_OK;
}
}
return MS_E_NOSTREAM;
}
static HRESULT WINAPI MediaStreamFilterImpl_EnumMediaStreams(IMediaStreamFilter* iface, LONG Index, IMediaStream **ppMediaStream)
{
FIXME("(%p)->(%d,%p): Stub!\n", iface, Index, ppMediaStream);
return E_NOTIMPL;
}
static HRESULT WINAPI MediaStreamFilterImpl_SupportSeeking(IMediaStreamFilter* iface, BOOL bRenderer)
{
FIXME("(%p)->(%d): Stub!\n", iface, bRenderer);
return E_NOTIMPL;
}
static HRESULT WINAPI MediaStreamFilterImpl_ReferenceTimeToStreamTime(IMediaStreamFilter* iface, REFERENCE_TIME *pTime)
{
FIXME("(%p)->(%p): Stub!\n", iface, pTime);
return E_NOTIMPL;
}
static HRESULT WINAPI MediaStreamFilterImpl_GetCurrentStreamTime(IMediaStreamFilter* iface, REFERENCE_TIME *pCurrentStreamTime)
{
FIXME("(%p)->(%p): Stub!\n", iface, pCurrentStreamTime);
return E_NOTIMPL;
}
static HRESULT WINAPI MediaStreamFilterImpl_WaitUntil(IMediaStreamFilter* iface, REFERENCE_TIME WaitStreamTime)
{
FIXME("(%p)->(%s): Stub!\n", iface, wine_dbgstr_longlong(WaitStreamTime));
return E_NOTIMPL;
}
static HRESULT WINAPI MediaStreamFilterImpl_Flush(IMediaStreamFilter* iface, BOOL bCancelEOS)
{
FIXME("(%p)->(%d): Stub!\n", iface, bCancelEOS);
return E_NOTIMPL;
}
static HRESULT WINAPI MediaStreamFilterImpl_EndOfStream(IMediaStreamFilter* iface)
{
FIXME("(%p)->(): Stub!\n", iface);
return E_NOTIMPL;
}
static const IMediaStreamFilterVtbl MediaStreamFilter_Vtbl =
{
MediaStreamFilterImpl_QueryInterface,
MediaStreamFilterImpl_AddRef,
MediaStreamFilterImpl_Release,
MediaStreamFilterImpl_GetClassID,
MediaStreamFilterImpl_Stop,
MediaStreamFilterImpl_Pause,
MediaStreamFilterImpl_Run,
MediaStreamFilterImpl_GetState,
MediaStreamFilterImpl_SetSyncSource,
MediaStreamFilterImpl_GetSyncSource,
MediaStreamFilterImpl_EnumPins,
MediaStreamFilterImpl_FindPin,
MediaStreamFilterImpl_QueryFilterInfo,
MediaStreamFilterImpl_JoinFilterGraph,
MediaStreamFilterImpl_QueryVendorInfo,
MediaStreamFilterImpl_AddMediaStream,
MediaStreamFilterImpl_GetMediaStream,
MediaStreamFilterImpl_EnumMediaStreams,
MediaStreamFilterImpl_SupportSeeking,
MediaStreamFilterImpl_ReferenceTimeToStreamTime,
MediaStreamFilterImpl_GetCurrentStreamTime,
MediaStreamFilterImpl_WaitUntil,
MediaStreamFilterImpl_Flush,
MediaStreamFilterImpl_EndOfStream
};
static IPin* WINAPI MediaStreamFilterImpl_GetPin(BaseFilter *iface, int pos)
{
IMediaStreamFilterImpl* This = (IMediaStreamFilterImpl*)iface;
if (pos < This->nb_streams)
{
IPin *pin = NULL;
IAMMediaStream_QueryInterface(This->streams[pos], &IID_IPin, (void **)&pin);
return pin;
}
return NULL;
}
static const BaseFilterFuncTable BaseFuncTable = {
MediaStreamFilterImpl_GetPin,
};
HRESULT MediaStreamFilter_create(IUnknown *pUnkOuter, void **ppObj)
{
IMediaStreamFilterImpl* object;
TRACE("(%p,%p)\n", pUnkOuter, ppObj);
if( pUnkOuter )
return CLASS_E_NOAGGREGATION;
object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IMediaStreamFilterImpl));
if (!object)
return E_OUTOFMEMORY;
BaseFilter_Init(&object->filter, (IBaseFilterVtbl*)&MediaStreamFilter_Vtbl, &CLSID_MediaStreamFilter, (DWORD_PTR)(__FILE__ ": MediaStreamFilterImpl.csFilter"), &BaseFuncTable);
*ppObj = &object->filter.IBaseFilter_iface;
return S_OK;
}