dsound_main.c

一个类似windows

/***************************************************************************
 * DirectSoundEnumerateW [DSOUND.3]
 *
 * Enumerate all DirectSound drivers installed in the system
 *
 * PARAMS
 *    lpDSEnumCallback  [I] Address of callback function.
 *    lpContext         [I] Address of user defined context passed to callback function.
 *
 * RETURNS
 *    Success: DS_OK
 *    Failure: DSERR_INVALIDPARAM
 */
HRESULT WINAPI DirectSoundEnumerateW(
	LPDSENUMCALLBACKW lpDSEnumCallback,
	LPVOID lpContext )
{
    unsigned devs, wod;
    DSDRIVERDESC desc;
    GUID guid;
    int err;
    WCHAR wDesc[MAXPNAMELEN];
    WCHAR wName[MAXPNAMELEN];

    TRACE("lpDSEnumCallback = %p, lpContext = %p\n",
	lpDSEnumCallback, lpContext);

    if (lpDSEnumCallback == NULL) {
	WARN("invalid parameter: lpDSEnumCallback == NULL\n");
	return DSERR_INVALIDPARAM;
    }

    devs = waveOutGetNumDevs();
    if (devs > 0) {
	if (GetDeviceID(&DSDEVID_DefaultPlayback, &guid) == DS_OK) {
	    for (wod = 0; wod < devs; ++wod) {
                if (IsEqualGUID( &guid, &DSOUND_renderer_guids[wod] ) ) {
                    err = mmErr(WineWaveOutMessage((HWAVEOUT)wod,DRV_QUERYDSOUNDDESC,(DWORD_PTR)&desc,0));
                    if (err == DS_OK) {
                        TRACE("calling lpDSEnumCallback(NULL,\"%s\",\"%s\",%p)\n",
                              "Primary Sound Driver",desc.szDrvname,lpContext);
                        MultiByteToWideChar( CP_ACP, 0, "Primary Sound Driver", -1,
                                             wDesc, sizeof(wDesc)/sizeof(WCHAR) );
                        MultiByteToWideChar( CP_ACP, 0, desc.szDrvname, -1,
                                             wName, sizeof(wName)/sizeof(WCHAR) );
                        if (lpDSEnumCallback(NULL, wDesc, wName, lpContext) == FALSE)
                            return DS_OK;
		    }
		}
	    }
	}
    }

    for (wod = 0; wod < devs; ++wod) {
	err = mmErr(WineWaveOutMessage((HWAVEOUT)wod,DRV_QUERYDSOUNDDESC,(DWORD_PTR)&desc,0));
	if (err == DS_OK) {
            TRACE("calling lpDSEnumCallback(%s,\"%s\",\"%s\",%p)\n",
                  debugstr_guid(&DSOUND_renderer_guids[wod]),desc.szDesc,desc.szDrvname,lpContext);
            MultiByteToWideChar( CP_ACP, 0, desc.szDesc, -1,
                                 wDesc, sizeof(wDesc)/sizeof(WCHAR) );
            MultiByteToWideChar( CP_ACP, 0, desc.szDrvname, -1,
                                 wName, sizeof(wName)/sizeof(WCHAR) );
            if (lpDSEnumCallback(&DSOUND_renderer_guids[wod], wDesc, wName, lpContext) == FALSE)
                return DS_OK;
	}
    }
    return DS_OK;
}

/*******************************************************************************
 * DirectSound ClassFactory
 */

static HRESULT WINAPI
DSCF_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj) {
	IClassFactoryImpl *This = (IClassFactoryImpl *)iface;

	FIXME("(%p)->(%s,%p),stub!\n",This,debugstr_guid(riid),ppobj);
	return E_NOINTERFACE;
}

static ULONG WINAPI DSCF_AddRef(LPCLASSFACTORY iface)
{
    IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
    ULONG ref = InterlockedIncrement(&(This->ref));
    TRACE("(%p) ref was %ld\n", This, ref - 1);
    return ref;
}

static ULONG WINAPI DSCF_Release(LPCLASSFACTORY iface)
{
    IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
    ULONG ref = InterlockedDecrement(&(This->ref));
    TRACE("(%p) ref was %ld\n", This, ref + 1);
    /* static class, won't be freed */
    return ref;
}

static HRESULT WINAPI DSCF_CreateInstance(
	LPCLASSFACTORY iface,LPUNKNOWN pOuter,REFIID riid,LPVOID *ppobj
) {
	IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
	TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);

	if (pOuter)
		return CLASS_E_NOAGGREGATION;

	if (ppobj == NULL) {
		WARN("invalid parameter\n");
		return DSERR_INVALIDPARAM;
	}

	*ppobj = NULL;

	if ( IsEqualIID( &IID_IDirectSound, riid ) )
		return DSOUND_Create((LPDIRECTSOUND*)ppobj,pOuter);

	if ( IsEqualIID( &IID_IDirectSound8, riid ) )
		return DSOUND_Create8((LPDIRECTSOUND8*)ppobj,pOuter);

	WARN("(%p,%p,%s,%p) Interface not found!\n",This,pOuter,debugstr_guid(riid),ppobj);	
	return E_NOINTERFACE;
}

static HRESULT WINAPI DSCF_LockServer(LPCLASSFACTORY iface,BOOL dolock) {
	IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
	FIXME("(%p)->(%d),stub!\n",This,dolock);
	return S_OK;
}

static const IClassFactoryVtbl DSCF_Vtbl = {
	DSCF_QueryInterface,
	DSCF_AddRef,
	DSCF_Release,
	DSCF_CreateInstance,
	DSCF_LockServer
};

static IClassFactoryImpl DSOUND_CF = { &DSCF_Vtbl, 1 };

/*******************************************************************************
 * DirectSoundPrivate ClassFactory
 */

static HRESULT WINAPI
DSPCF_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj) {
	IClassFactoryImpl *This = (IClassFactoryImpl *)iface;

	FIXME("(%p)->(%s,%p),stub!\n",This,debugstr_guid(riid),ppobj);
	return E_NOINTERFACE;
}

static ULONG WINAPI DSPCF_AddRef(LPCLASSFACTORY iface)
{
    IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
    ULONG ref = InterlockedIncrement(&(This->ref));
    TRACE("(%p) ref was %ld\n", This, ref - 1);
    return ref;
}

static ULONG WINAPI DSPCF_Release(LPCLASSFACTORY iface)
{
    IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
    ULONG ref = InterlockedDecrement(&(This->ref));
    TRACE("(%p) ref was %ld\n", This, ref + 1);
    /* static class, won't be freed */
    return ref;
}

static HRESULT WINAPI
DSPCF_CreateInstance(
	LPCLASSFACTORY iface,LPUNKNOWN pOuter,REFIID riid,LPVOID *ppobj
) {
	IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
	TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);

	if (ppobj == NULL) {
		WARN("invalid parameter\n");
		return DSERR_INVALIDPARAM;
	}

	*ppobj = NULL;

	if ( IsEqualGUID( &IID_IKsPropertySet, riid ) ) {
		return IKsPrivatePropertySetImpl_Create((IKsPrivatePropertySetImpl**)ppobj);
	}

	WARN("(%p,%p,%s,%p) Interface not found!\n",This,pOuter,debugstr_guid(riid),ppobj);	
	return E_NOINTERFACE;
}

static HRESULT WINAPI
DSPCF_LockServer(LPCLASSFACTORY iface,BOOL dolock) {
	IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
	FIXME("(%p)->(%d),stub!\n",This,dolock);
	return S_OK;
}

static const IClassFactoryVtbl DSPCF_Vtbl = {
	DSPCF_QueryInterface,
	DSPCF_AddRef,
	DSPCF_Release,
	DSPCF_CreateInstance,
	DSPCF_LockServer
};

static IClassFactoryImpl DSOUND_PRIVATE_CF = { &DSPCF_Vtbl, 1 };

/*******************************************************************************
 * DllGetClassObject [DSOUND.@]
 * Retrieves class object from a DLL object
 *
 * NOTES
 *    Docs say returns STDAPI
 *
 * PARAMS
 *    rclsid [I] CLSID for the class object
 *    riid   [I] Reference to identifier of interface for class object
 *    ppv    [O] Address of variable to receive interface pointer for riid
 *
 * RETURNS
 *    Success: S_OK
 *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
 *             E_UNEXPECTED
 */
HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
{
    TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);

    if (ppv == NULL) {
	WARN("invalid parameter\n");
	return E_INVALIDARG;
    }

    *ppv = NULL;

    if ( IsEqualCLSID( &CLSID_DirectSound, rclsid ) ||
	 IsEqualCLSID( &CLSID_DirectSound8, rclsid ) ) {
	if ( IsEqualCLSID( &IID_IClassFactory, riid ) ) {
	    *ppv = (LPVOID)&DSOUND_CF;
	    IClassFactory_AddRef((IClassFactory*)*ppv);
	    return S_OK;
	}
    	WARN("(%s,%s,%p): no interface found.\n",
	    debugstr_guid(rclsid), debugstr_guid(riid), ppv);
	return S_FALSE;
    }

    if ( IsEqualCLSID( &CLSID_DirectSoundCapture, rclsid ) ||
	 IsEqualCLSID( &CLSID_DirectSoundCapture8, rclsid ) ) {
	if ( IsEqualCLSID( &IID_IClassFactory, riid ) ) {
	    *ppv = (LPVOID)&DSOUND_CAPTURE_CF;
	    IClassFactory_AddRef((IClassFactory*)*ppv);
	    return S_OK;
	}
    	WARN("(%s,%s,%p): no interface found.\n",
	    debugstr_guid(rclsid), debugstr_guid(riid), ppv);
	return S_FALSE;
    }

    if ( IsEqualCLSID( &CLSID_DirectSoundFullDuplex, rclsid ) ) {
	if ( IsEqualCLSID( &IID_IClassFactory, riid ) ) {
	    *ppv = (LPVOID)&DSOUND_FULLDUPLEX_CF;
	    IClassFactory_AddRef((IClassFactory*)*ppv);
	    return S_OK;
	}
    	WARN("(%s,%s,%p): no interface found.\n",
	    debugstr_guid(rclsid), debugstr_guid(riid), ppv);
	return S_FALSE;
    }

    if ( IsEqualCLSID( &CLSID_DirectSoundPrivate, rclsid ) ) {
	if ( IsEqualCLSID( &IID_IClassFactory, riid ) ) {
	    *ppv = (LPVOID)&DSOUND_PRIVATE_CF;
	    IClassFactory_AddRef((IClassFactory*)*ppv);
	    return S_OK;
	}
    	WARN("(%s,%s,%p): no interface found.\n",
	    debugstr_guid(rclsid), debugstr_guid(riid), ppv);
	return S_FALSE;
    }

    WARN("(%s,%s,%p): no class found.\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
    return CLASS_E_CLASSNOTAVAILABLE;
}


/*******************************************************************************
 * DllCanUnloadNow [DSOUND.4]
 * Determines whether the DLL is in use.
 *
 * RETURNS
 *    Success: S_OK
 *    Failure: S_FALSE
 */
HRESULT WINAPI DllCanUnloadNow(void)
{
    FIXME("(void): stub\n");
    return S_FALSE;
}

#define INIT_GUID(guid, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8)      \
        guid.Data1 = l; guid.Data2 = w1; guid.Data3 = w2;               \
        guid.Data4[0] = b1; guid.Data4[1] = b2; guid.Data4[2] = b3;     \
        guid.Data4[3] = b4; guid.Data4[4] = b5; guid.Data4[5] = b6;     \
        guid.Data4[6] = b7; guid.Data4[7] = b8;

/***********************************************************************
 *           DllMain (DSOUND.init)
 */
BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpvReserved)
{
    int i;
    TRACE("(%p %ld %p)\n", hInstDLL, fdwReason, lpvReserved);

    switch (fdwReason) {
    case DLL_PROCESS_ATTACH:
        TRACE("DLL_PROCESS_ATTACH\n");
        for (i = 0; i < MAXWAVEDRIVERS; i++) {
            DSOUND_renderer[i] = NULL;
            DSOUND_capture[i] = NULL;
            INIT_GUID(DSOUND_renderer_guids[i], 0xbd6dd71a, 0x3deb, 0x11d1, 0xb1, 0x71, 0x00, 0xc0, 0x4f, 0xc2, 0x00, 0x00 + i);
            INIT_GUID(DSOUND_capture_guids[i],  0xbd6dd71b, 0x3deb, 0x11d1, 0xb1, 0x71, 0x00, 0xc0, 0x4f, 0xc2, 0x00, 0x00 + i);
        }
        break;
    case DLL_PROCESS_DETACH:
        TRACE("DLL_PROCESS_DETACH\n");
        break;
    case DLL_THREAD_ATTACH:
        TRACE("DLL_THREAD_ATTACH\n");
        break;
    case DLL_THREAD_DETACH:
        TRACE("DLL_THREAD_DETACH\n");
        break;
    default:
        TRACE("UNKNOWN REASON\n");
        break;
    }
    return TRUE;
}