Sweden-Number/dlls/quartz/imem.c

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/*
* Implementation of CLSID_MemoryAllocator.
*
* FIXME - stub.
*
* hidenori@a2.ctktv.ne.jp
*/
#include "config.h"
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winerror.h"
#include "wine/obj_base.h"
#include "strmif.h"
#include "uuids.h"
#include "debugtools.h"
DEFAULT_DEBUG_CHANNEL(quartz);
#include "quartz_private.h"
#include "memalloc.h"
static HRESULT WINAPI
IMemAllocator_fnQueryInterface(IMemAllocator* iface,REFIID riid,void** ppobj)
{
CMemoryAllocator_THIS(iface,memalloc);
TRACE("(%p)->()\n",This);
return IUnknown_QueryInterface(This->unk.punkControl,riid,ppobj);
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}
static ULONG WINAPI
IMemAllocator_fnAddRef(IMemAllocator* iface)
{
CMemoryAllocator_THIS(iface,memalloc);
TRACE("(%p)->()\n",This);
return IUnknown_AddRef(This->unk.punkControl);
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}
static ULONG WINAPI
IMemAllocator_fnRelease(IMemAllocator* iface)
{
CMemoryAllocator_THIS(iface,memalloc);
TRACE("(%p)->()\n",This);
return IUnknown_Release(This->unk.punkControl);
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}
static HRESULT WINAPI
IMemAllocator_fnSetProperties(IMemAllocator* iface,ALLOCATOR_PROPERTIES* pPropReq,ALLOCATOR_PROPERTIES* pPropActual)
{
CMemoryAllocator_THIS(iface,memalloc);
long padding;
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TRACE( "(%p)->(%p,%p)\n", This, pPropReq, pPropActual );
if ( pPropReq == NULL || pPropActual == NULL )
return E_POINTER;
if ( pPropReq->cBuffers < 0 ||
pPropReq->cbBuffer < 0 ||
pPropReq->cbAlign < 0 ||
pPropReq->cbPrefix < 0 )
return E_INVALIDARG;
if ( ( pPropReq->cbAlign & (pPropReq->cbAlign-1) ) != 0 )
return E_INVALIDARG;
EnterCriticalSection( &This->csMem );
This->prop.cBuffers = pPropReq->cBuffers;
This->prop.cbBuffer = pPropReq->cbBuffer;
This->prop.cbAlign = pPropReq->cbAlign;
This->prop.cbPrefix = pPropReq->cbPrefix;
if ( This->prop.cbAlign == 0 )
This->prop.cbAlign = 1;
padding = This->prop.cbAlign -
( (This->prop.cbBuffer+This->prop.cbPrefix) % This->prop.cbAlign );
This->prop.cbBuffer += padding;
memcpy( pPropActual, &This->prop, sizeof(ALLOCATOR_PROPERTIES) );
LeaveCriticalSection( &This->csMem );
return NOERROR;
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}
static HRESULT WINAPI
IMemAllocator_fnGetProperties(IMemAllocator* iface,ALLOCATOR_PROPERTIES* pProp)
{
CMemoryAllocator_THIS(iface,memalloc);
TRACE( "(%p)->(%p)\n", This, pProp );
if ( pProp == NULL )
return E_POINTER;
EnterCriticalSection( &This->csMem );
memcpy( pProp, &This->prop, sizeof(ALLOCATOR_PROPERTIES) );
LeaveCriticalSection( &This->csMem );
return NOERROR;
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}
static HRESULT WINAPI
IMemAllocator_fnCommit(IMemAllocator* iface)
{
CMemoryAllocator_THIS(iface,memalloc);
FIXME( "(%p)->() stub!\n", This );
return E_NOTIMPL;
}
static HRESULT WINAPI
IMemAllocator_fnDecommit(IMemAllocator* iface)
{
CMemoryAllocator_THIS(iface,memalloc);
FIXME( "(%p)->() stub!\n", This );
return E_NOTIMPL;
}
static HRESULT WINAPI
IMemAllocator_fnGetBuffer(IMemAllocator* iface,IMediaSample** ppSample,REFERENCE_TIME* prtStart,REFERENCE_TIME* prtEnd,DWORD dwFlags)
{
CMemoryAllocator_THIS(iface,memalloc);
FIXME( "(%p)->() stub!\n", This );
return E_NOTIMPL;
}
static HRESULT WINAPI
IMemAllocator_fnReleaseBuffer(IMemAllocator* iface,IMediaSample* pSample)
{
CMemoryAllocator_THIS(iface,memalloc);
FIXME( "(%p)->() stub!\n", This );
return E_NOTIMPL;
}
static ICOM_VTABLE(IMemAllocator) imemalloc =
{
ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
/* IUnknown fields */
IMemAllocator_fnQueryInterface,
IMemAllocator_fnAddRef,
IMemAllocator_fnRelease,
/* IMemAllocator fields */
IMemAllocator_fnSetProperties,
IMemAllocator_fnGetProperties,
IMemAllocator_fnCommit,
IMemAllocator_fnDecommit,
IMemAllocator_fnGetBuffer,
IMemAllocator_fnReleaseBuffer,
};
HRESULT CMemoryAllocator_InitIMemAllocator( CMemoryAllocator* pma )
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{
TRACE("(%p)\n",pma);
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ICOM_VTBL(&pma->memalloc) = &imemalloc;
ZeroMemory( &pma->prop, sizeof(pma->prop) );
InitializeCriticalSection( &pma->csMem );
return NOERROR;
}
void CMemoryAllocator_UninitIMemAllocator( CMemoryAllocator* pma )
{
TRACE("(%p)\n",pma);
IMemAllocator_Decommit( (IMemAllocator*)(&pma->memalloc) );
DeleteCriticalSection( &pma->csMem );
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}