windows-nt/Source/XPSP1/NT/multimedia/directx/dxvb/dx8vb/dmusobj.cpp
2020-09-26 16:20:57 +08:00

122 lines
3 KiB
C++

#include "stdafx.h"
#include "Direct.h"
#include "dms.h"
#include "dMusObj.h"
extern void *g_dxj_DirectMusic;
///////////////////////////////////////////////////////////////////
// InternalAddRef
///////////////////////////////////////////////////////////////////
DWORD C_dxj_DirectMusicObject::InternalAddRef(){
DWORD i;
i=CComObjectRoot::InternalAddRef();
DPF2(1,"DirectMusic [%d] AddRef %d \n",creationid,i);
return i;
}
///////////////////////////////////////////////////////////////////
// InternalRelease
///////////////////////////////////////////////////////////////////
DWORD C_dxj_DirectMusicObject::InternalRelease(){
DWORD i;
i=CComObjectRoot::InternalRelease();
DPF2(1,"DirectMusic [%d] Release %d \n",creationid,i);
return i;
}
///////////////////////////////////////////////////////////////////
// C_dxj_DirectMusicObject
///////////////////////////////////////////////////////////////////
C_dxj_DirectMusicObject::C_dxj_DirectMusicObject(){
DPF1(1,"Constructor Creation DirectMusic Object[%d] \n ",g_creationcount);
m__dxj_DirectMusic = NULL;
parent = NULL;
pinterface = NULL;
nextobj = g_dxj_DirectMusic;
creationid = ++g_creationcount;
g_dxj_DirectMusic = (void *)this;
}
///////////////////////////////////////////////////////////////////
// ~C_dxj_DirectMusicObject
///////////////////////////////////////////////////////////////////
C_dxj_DirectMusicObject::~C_dxj_DirectMusicObject()
{
DPF(1,"Entering ~C_dxj_DirectMusicObject destructor \n");
C_dxj_DirectMusicObject *prev=NULL;
for(C_dxj_DirectMusicObject *ptr=(C_dxj_DirectMusicObject *)g_dxj_DirectMusic ; ptr; ptr=(C_dxj_DirectMusicObject *)ptr->nextobj)
{
if(ptr == this)
{
if(prev)
prev->nextobj = ptr->nextobj;
else
g_dxj_DirectMusic = (void*)ptr->nextobj;
DPF(1,"DirectMusicObject found in g_dxj list now removed\n");
break;
}
prev = ptr;
}
if(m__dxj_DirectMusic){
int count = IUNK(m__dxj_DirectMusic)->Release();
#ifdef DEBUG
char Buffer[256];
wsprintf(Buffer,"DirectX IDirectMusic Ref count [%d] \n",count);
#endif
if(count==0) m__dxj_DirectMusic = NULL;
}
if(parent) IUNK(parent)->Release();
}
HRESULT C_dxj_DirectMusicObject::InternalGetObject(IUnknown **pUnk){
*pUnk=(IUnknown*)m__dxj_DirectMusic;
return S_OK;
}
HRESULT C_dxj_DirectMusicObject::InternalSetObject(IUnknown *pUnk){
m__dxj_DirectMusic=(LPDIRECTMUSIC)pUnk;
return S_OK;
}
HRESULT C_dxj_DirectMusicObject::Activate(VARIANT_BOOL fEnable)
{
HRESULT hr;
if (fEnable == VARIANT_FALSE)
{
if (FAILED (hr = m__dxj_DirectMusic->Activate(FALSE) ) )
return hr;
} else
{
if (FAILED (hr = m__dxj_DirectMusic->Activate(TRUE) ) )
return hr;
}
return S_OK;
}
HRESULT C_dxj_DirectMusicObject::SetDirectSound(I_dxj_DirectSound *DirectSound,long hWnd)
{
HRESULT hr;
DO_GETOBJECT_NOTNULL(LPDIRECTSOUND, lpDSound, DirectSound);
if (FAILED( hr = m__dxj_DirectMusic->SetDirectSound(lpDSound, (HWND)hWnd)) )
return hr;
return S_OK;
}