directsound.c File Reference

#include "precomp.h"

Include dependency graph for directsound.c:

Go to the source code of this file.

Classes
struct	CDirectSoundImpl

Typedefs
typedef struct CDirectSoundImpl *	LPCDirectSoundImpl

Functions
HRESULT WINAPI	IDirectSound8_fnQueryInterface (LPDIRECTSOUND8 iface, REFIID riid, LPVOID *ppobj)
ULONG WINAPI	IDirectSound8_fnAddRef (LPDIRECTSOUND8 iface)
ULONG WINAPI	IDirectSound8_fnRelease (LPDIRECTSOUND8 iface)
HRESULT WINAPI	IDirectSound8_fnCreateSoundBuffer (LPDIRECTSOUND8 iface, LPCDSBUFFERDESC lpcDSBufferDesc, LPLPDIRECTSOUNDBUFFER lplpDirectSoundBuffer, IUnknown FAR *pUnkOuter)
HRESULT WINAPI	IDirectSound8_fnGetCaps (LPDIRECTSOUND8 iface, LPDSCAPS lpDSCaps)
HRESULT WINAPI	IDirectSound8_fnDuplicateSoundBuffer (LPDIRECTSOUND8 iface, LPDIRECTSOUNDBUFFER lpDsbOriginal, LPLPDIRECTSOUNDBUFFER lplpDsbDuplicate)
HRESULT WINAPI	IDirectSound8_fnSetCooperativeLevel (LPDIRECTSOUND8 iface, HWND hwnd, DWORD dwLevel)
HRESULT WINAPI	IDirectSound8_fnCompact (LPDIRECTSOUND8 iface)
HRESULT WINAPI	IDirectSound8_fnGetSpeakerConfig (LPDIRECTSOUND8 iface, LPDWORD pdwSpeakerConfig)
HRESULT WINAPI	IDirectSound8_fnSetSpeakerConfig (LPDIRECTSOUND8 iface, DWORD dwSpeakerConfig)
HRESULT WINAPI	IDirectSound8_fnInitialize (LPDIRECTSOUND8 iface, LPCGUID pcGuidDevice)
HRESULT WINAPI	IDirectSound8_fnVerifyCertification (LPDIRECTSOUND8 iface, LPDWORD pdwCertified)
HRESULT	InternalDirectSoundCreate (LPCGUID lpcGUID, LPDIRECTSOUND8 *ppDS, IUnknown *pUnkOuter, BOOL bDirectSound8)
HRESULT CALLBACK	NewDirectSound (IUnknown *pUnkOuter, REFIID riid, LPVOID *ppvObject)
HRESULT WINAPI	DirectSoundCreate (LPCGUID lpcGUID, LPDIRECTSOUND *ppDS, IUnknown *pUnkOuter)
HRESULT WINAPI	DirectSoundCreate8 (LPCGUID lpcGUID, LPDIRECTSOUND8 *ppDS, IUnknown *pUnkOuter)

Variables
static IDirectSound8Vtbl	vt_DirectSound8

Typedef Documentation

LPCDirectSoundImpl

typedef struct CDirectSoundImpl * LPCDirectSoundImpl

Function Documentation

DirectSoundCreate()

HRESULT WINAPI DirectSoundCreate	(	LPCGUID	lpcGUID,
		LPDIRECTSOUND *	ppDS,
		IUnknown *	pUnkOuter
	)

Definition at line 494 of file directsound.c.

{
    return InternalDirectSoundCreate(lpcGUID, (LPDIRECTSOUND8*)ppDS, pUnkOuter, FALSE);
}

DirectSoundCreate8()

HRESULT WINAPI DirectSoundCreate8	(	LPCGUID	lpcGUID,
		LPDIRECTSOUND8 *	ppDS,
		IUnknown *	pUnkOuter
	)

Definition at line 504 of file directsound.c.

{
    return InternalDirectSoundCreate(lpcGUID, ppDS, pUnkOuter, TRUE);
}

Referenced by DSEnumCallback(), DSoundRender_create(), getCurrentChannelConfig(), IDirectMusic8Impl_SetDirectSound(), and setCurrentChannelConfig().

IDirectSound8_fnAddRef()

ULONG WINAPI IDirectSound8_fnAddRef

(

LPDIRECTSOUND8

iface

)

Definition at line 55 of file directsound.c.

{
    ULONG ref;
    LPCDirectSoundImpl This = (LPCDirectSoundImpl)CONTAINING_RECORD(iface, CDirectSoundImpl, lpVtbl);
 
    ref = InterlockedIncrement(&This->ref);
 
    return ref;
}

IDirectSound8_fnCompact()

HRESULT WINAPI IDirectSound8_fnCompact

(

LPDIRECTSOUND8

iface

)

Definition at line 249 of file directsound.c.

{
    LPCDirectSoundImpl This = (LPCDirectSoundImpl)CONTAINING_RECORD(iface, CDirectSoundImpl, lpVtbl);
 
    if (!This->bInitialized)
    {
        /* object not yet initialized */
        return DSERR_UNINITIALIZED;
    }
 
    if (This->dwLevel != DSSCL_PRIORITY)
    {
        /* needs priority level */
        return DSERR_PRIOLEVELNEEDED;
    }
 
    /* done */
    return DS_OK;
}

IDirectSound8_fnCreateSoundBuffer()

HRESULT WINAPI IDirectSound8_fnCreateSoundBuffer	(	LPDIRECTSOUND8	iface,
		LPCDSBUFFERDESC	lpcDSBufferDesc,
		LPLPDIRECTSOUNDBUFFER	lplpDirectSoundBuffer,
		IUnknown FAR *	pUnkOuter
	)

Definition at line 86 of file directsound.c.

{
    HRESULT hResult;
    LPCDirectSoundImpl This = (LPCDirectSoundImpl)CONTAINING_RECORD(iface, CDirectSoundImpl, lpVtbl);
 
    if (!This->bInitialized)
    {
        /* object not yet initialized */
        return DSERR_UNINITIALIZED;
    }
 
    if (!lpcDSBufferDesc  || !lplpDirectSoundBuffer || pUnkOuter != NULL)
    {
        DPRINT("Invalid parameter %p %p %p\n", lpcDSBufferDesc, lplpDirectSoundBuffer, pUnkOuter);
        return DSERR_INVALIDPARAM;
    }
 
    /* check buffer description */
    if ((lpcDSBufferDesc->dwSize != sizeof(DSBUFFERDESC) && lpcDSBufferDesc->dwSize != sizeof(DSBUFFERDESC1)) || lpcDSBufferDesc->dwReserved != 0)
    {
        DPRINT("Invalid buffer description size %u expected %u dwReserved %u\n", lpcDSBufferDesc->dwSize, sizeof(DSBUFFERDESC1), lpcDSBufferDesc->dwReserved);
        return DSERR_INVALIDPARAM;
    }
 
    DPRINT("This %p dwFlags %x dwBufferBytes %u lpwfxFormat %p dwSize %u\n", This, lpcDSBufferDesc->dwFlags, lpcDSBufferDesc->dwBufferBytes, lpcDSBufferDesc->lpwfxFormat, lpcDSBufferDesc->dwSize);
 
    if (lpcDSBufferDesc->dwFlags & DSBCAPS_PRIMARYBUFFER)
    {
        if (lpcDSBufferDesc->lpwfxFormat != NULL)
        {
            /* format must be null for primary sound buffer */
            return DSERR_INVALIDPARAM;
        }
 
        if (lpcDSBufferDesc->dwBufferBytes != 0)
        {
            /* buffer size must be zero for primary sound buffer */
            return DSERR_INVALIDPARAM;
        }
 
        if (This->PrimaryBuffer)
        {
            /* primary buffer already exists */
            IDirectSoundBuffer8_AddRef(This->PrimaryBuffer);
            *lplpDirectSoundBuffer = (LPDIRECTSOUNDBUFFER)This->PrimaryBuffer;
            return S_OK;
        }
 
        hResult = NewPrimarySoundBuffer((LPLPDIRECTSOUNDBUFFER8)lplpDirectSoundBuffer, This->Filter, This->dwLevel, lpcDSBufferDesc->dwFlags);
        if (SUCCEEDED(hResult))
        {
            /* store primary buffer */
            This->PrimaryBuffer = (LPDIRECTSOUNDBUFFER8)*lplpDirectSoundBuffer;
        }
        return hResult;
    }
    else
    {
        if (lpcDSBufferDesc->lpwfxFormat == NULL)
        {
            /* format must not be null */
            return DSERR_INVALIDPARAM;
        }
 
        if (lpcDSBufferDesc->dwBufferBytes < DSBSIZE_MIN || lpcDSBufferDesc->dwBufferBytes > DSBSIZE_MAX)
        {
            /* buffer size must be within bounds for secondary sound buffer*/
            return DSERR_INVALIDPARAM;
        }
 
        if (!This->PrimaryBuffer)
        {
            hResult = NewPrimarySoundBuffer((LPLPDIRECTSOUNDBUFFER8)lplpDirectSoundBuffer, This->Filter, This->dwLevel, lpcDSBufferDesc->dwFlags);
            if (SUCCEEDED(hResult))
            {
                /* store primary buffer */
                This->PrimaryBuffer = (LPDIRECTSOUNDBUFFER8)*lplpDirectSoundBuffer;
            }
            else
            {
                DPRINT("Failed to create primary buffer with %x\n", hResult);
                return hResult;
            }
 
        }
 
        ASSERT(This->PrimaryBuffer);
 
        DPRINT("This %p wFormatTag %x nChannels %u nSamplesPerSec %u nAvgBytesPerSec %u NBlockAlign %u wBitsPerSample %u cbSize %u\n",
               This, lpcDSBufferDesc->lpwfxFormat->wFormatTag, lpcDSBufferDesc->lpwfxFormat->nChannels, lpcDSBufferDesc->lpwfxFormat->nSamplesPerSec, lpcDSBufferDesc->lpwfxFormat->nAvgBytesPerSec, lpcDSBufferDesc->lpwfxFormat->nBlockAlign, lpcDSBufferDesc->lpwfxFormat->wBitsPerSample, lpcDSBufferDesc->lpwfxFormat->cbSize);
 
        hResult = NewSecondarySoundBuffer((LPLPDIRECTSOUNDBUFFER8)lplpDirectSoundBuffer, This->Filter, This->dwLevel, lpcDSBufferDesc, This->PrimaryBuffer);
        return hResult;
    }
}

IDirectSound8_fnDuplicateSoundBuffer()

HRESULT WINAPI IDirectSound8_fnDuplicateSoundBuffer	(	LPDIRECTSOUND8	iface,
		LPDIRECTSOUNDBUFFER	lpDsbOriginal,
		LPLPDIRECTSOUNDBUFFER	lplpDsbDuplicate
	)

Definition at line 218 of file directsound.c.

{
    UNIMPLEMENTED;
    return DSERR_OUTOFMEMORY;
}

IDirectSound8_fnGetCaps()

HRESULT WINAPI IDirectSound8_fnGetCaps	(	LPDIRECTSOUND8	iface,
		LPDSCAPS	lpDSCaps
	)

Definition at line 188 of file directsound.c.

{
    LPCDirectSoundImpl This = (LPCDirectSoundImpl)CONTAINING_RECORD(iface, CDirectSoundImpl, lpVtbl);
 
    if (!This->bInitialized)
    {
        /* object not yet initialized */
        return DSERR_UNINITIALIZED;
    }
 
    if (!lpDSCaps)
    {
        /* object not yet initialized */
        return DSERR_INVALIDPARAM;
    }
 
    if (lpDSCaps->dwSize != sizeof(DSCAPS))
    {
        /* object not yet initialized */
        return DSERR_INVALIDPARAM;
    }
 
    UNIMPLEMENTED;
    return DSERR_GENERIC;
}

IDirectSound8_fnGetSpeakerConfig()

HRESULT WINAPI IDirectSound8_fnGetSpeakerConfig	(	LPDIRECTSOUND8	iface,
		LPDWORD	pdwSpeakerConfig
	)

Definition at line 272 of file directsound.c.

{
    LPCDirectSoundImpl This = (LPCDirectSoundImpl)CONTAINING_RECORD(iface, CDirectSoundImpl, lpVtbl);
 
    if (!This->bInitialized)
    {
        /* object not yet initialized */
        return DSERR_UNINITIALIZED;
    }
 
 
    UNIMPLEMENTED;
    return DSERR_INVALIDPARAM;
}

IDirectSound8_fnInitialize()

HRESULT WINAPI IDirectSound8_fnInitialize	(	LPDIRECTSOUND8	iface,
		LPCGUID	pcGuidDevice
	)

Definition at line 302 of file directsound.c.

{
    GUID DeviceGuid;
    LPOLESTR pGuidStr;
    HRESULT hr;
    LPCDirectSoundImpl This = (LPCDirectSoundImpl)CONTAINING_RECORD(iface, CDirectSoundImpl, lpVtbl);
 
    if (!RootInfo)
    {
        EnumAudioDeviceInterfaces(&RootInfo);
    }
 
    /* sanity check */
    ASSERT(RootInfo);
 
    if (This->bInitialized)
    {
        /* object has already been initialized */
        return DSERR_ALREADYINITIALIZED;
    }
 
    /* fixme mutual exclusion */
 
    if (pcGuidDevice == NULL || IsEqualGUID(pcGuidDevice, &GUID_NULL))
    {
        /* use default playback device id */
        pcGuidDevice = &DSDEVID_DefaultPlayback;
    }
 
    if (IsEqualIID(pcGuidDevice, &DSDEVID_DefaultCapture) || IsEqualIID(pcGuidDevice, &DSDEVID_DefaultVoiceCapture))
    {
        /* this has to be a winetest */
        return DSERR_NODRIVER;
    }
 
    /* now verify the guid */
    if (GetDeviceID(pcGuidDevice, &DeviceGuid) != DS_OK)
    {
        if (SUCCEEDED(StringFromIID(pcGuidDevice, &pGuidStr)))
        {
            DPRINT("IDirectSound8_fnInitialize: Unknown GUID %ws\n", pGuidStr);
            CoTaskMemFree(pGuidStr);
        }
        return DSERR_INVALIDPARAM;
    }
 
    hr = FindDeviceByGuid(&DeviceGuid, &This->Filter);
 
    if (SUCCEEDED(hr))
    {
        This->bInitialized = TRUE;
        return DS_OK;
    }
 
    DPRINT("Failed to find device\n");
    return DSERR_INVALIDPARAM;
}

IDirectSound8_fnQueryInterface()

HRESULT WINAPI IDirectSound8_fnQueryInterface	(	LPDIRECTSOUND8	iface,
		REFIID	riid,
		LPVOID *	ppobj
	)

Definition at line 28 of file directsound.c.

{
    LPOLESTR pStr;
    LPCDirectSoundImpl This = (LPCDirectSoundImpl)CONTAINING_RECORD(iface, CDirectSoundImpl, lpVtbl);
 
    if ((IsEqualIID(riid, &IID_IDirectSound) && This->bDirectSound8 == FALSE) ||
        (IsEqualIID(riid, &IID_IDirectSound8) && This->bDirectSound8 != FALSE) ||
        (IsEqualIID(riid, &IID_IUnknown)))
    {
        *ppobj = (LPVOID)&This->lpVtbl;
        InterlockedIncrement(&This->ref);
        return S_OK;
    }
 
    if (SUCCEEDED(StringFromIID(riid, &pStr)))
    {
        DPRINT("No Interface for class %s\n", pStr);
        CoTaskMemFree(pStr);
    }
    return E_NOINTERFACE;
}

IDirectSound8_fnRelease()

ULONG WINAPI IDirectSound8_fnRelease

(

LPDIRECTSOUND8

iface

)

Definition at line 68 of file directsound.c.

{
    ULONG ref;
    LPCDirectSoundImpl This = (LPCDirectSoundImpl)CONTAINING_RECORD(iface, CDirectSoundImpl, lpVtbl);
 
    ref = InterlockedDecrement(&(This->ref));
 
    if (!ref)
    {
        HeapFree(GetProcessHeap(), 0, This);
    }
 
    return ref;
}

IDirectSound8_fnSetCooperativeLevel()

HRESULT WINAPI IDirectSound8_fnSetCooperativeLevel	(	LPDIRECTSOUND8	iface,
		HWND	hwnd,
		DWORD	dwLevel
	)

Definition at line 229 of file directsound.c.

{
    LPCDirectSoundImpl This = (LPCDirectSoundImpl)CONTAINING_RECORD(iface, CDirectSoundImpl, lpVtbl);
 
    if (!This->bInitialized)
    {
        /* object not yet initialized */
        return DSERR_UNINITIALIZED;
    }
 
    /* store cooperation level */
    This->dwLevel = dwLevel;
    return DS_OK;
}

IDirectSound8_fnSetSpeakerConfig()

HRESULT WINAPI IDirectSound8_fnSetSpeakerConfig	(	LPDIRECTSOUND8	iface,
		DWORD	dwSpeakerConfig
	)

Definition at line 291 of file directsound.c.

{
    UNIMPLEMENTED;
    return DSERR_INVALIDPARAM;
}

IDirectSound8_fnVerifyCertification()

HRESULT WINAPI IDirectSound8_fnVerifyCertification	(	LPDIRECTSOUND8	iface,
		LPDWORD	pdwCertified
	)

Definition at line 364 of file directsound.c.

{
    LPCDirectSoundImpl This = (LPCDirectSoundImpl)CONTAINING_RECORD(iface, CDirectSoundImpl, lpVtbl);
 
    if (!This->bInitialized)
    {
        /* object not yet initialized */
        return DSERR_UNINITIALIZED;
    }
 
    UNIMPLEMENTED;
    return DS_CERTIFIED;
}

InternalDirectSoundCreate()

HRESULT InternalDirectSoundCreate	(	LPCGUID	lpcGUID,
		LPDIRECTSOUND8 *	ppDS,
		IUnknown *	pUnkOuter,
		BOOL	bDirectSound8
	)

Definition at line 400 of file directsound.c.

{
    LPCDirectSoundImpl This;
    HRESULT hr;
 
    if (!ppDS || pUnkOuter != NULL)
    {
        /* invalid parameter passed */
        return DSERR_INVALIDPARAM;
    }
 
    /* allocate CDirectSoundImpl struct */
    This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(CDirectSoundImpl));
    if (!This)
    {
        /* not enough memory */
        return DSERR_OUTOFMEMORY;
    }
 
    /* initialize IDirectSound object */
    This->ref = 1;
    This->bDirectSound8 = bDirectSound8;
    This->lpVtbl = &vt_DirectSound8;
 
 
    /* initialize direct sound interface */
    hr = IDirectSound8_Initialize((LPDIRECTSOUND8)&This->lpVtbl, lpcGUID);
 
    /* check for success */
    if (!SUCCEEDED(hr))
    {
        /* failed */
        DPRINT("Failed to initialize DirectSound object with %x\n", hr);
        IDirectSound8_Release((LPDIRECTSOUND8)&This->lpVtbl);
        return hr;
    }
 
    /* store result */
    *ppDS = (LPDIRECTSOUND8)&This->lpVtbl;
    DPRINT("DirectSound object %p\n", *ppDS);
    return DS_OK;
}

Referenced by DirectSoundCreate(), and DirectSoundCreate8().

NewDirectSound()

HRESULT CALLBACK NewDirectSound	(	IUnknown *	pUnkOuter,
		REFIID	riid,
		LPVOID *	ppvObject
	)

Definition at line 449 of file directsound.c.

{
    LPOLESTR pStr;
    LPCDirectSoundImpl This;
 
    /* check param */
    if (!ppvObject)
    {
        /* invalid param */
        return E_INVALIDARG;
    }
 
    /* check requested interface */
    if (!IsEqualIID(riid, &IID_IUnknown) && !IsEqualIID(riid, &IID_IDirectSound) && !IsEqualIID(riid, &IID_IDirectSound8))
    {
        *ppvObject = 0;
        StringFromIID(riid, &pStr);
        DPRINT("KsPropertySet does not support Interface %ws\n", pStr);
        CoTaskMemFree(pStr);
        return E_NOINTERFACE;
    }
 
    /* allocate CDirectSoundCaptureImpl struct */
    This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(CDirectSoundImpl));
    if (!This)
    {
        /* not enough memory */
        return DSERR_OUTOFMEMORY;
    }
 
    /* initialize object */
    This->ref = 1;
    This->lpVtbl = &vt_DirectSound8;
    This->bInitialized = FALSE;
    *ppvObject = (LPVOID)&This->lpVtbl;
 
    return S_OK;
}

Variable Documentation

vt_DirectSound8

IDirectSound8Vtbl vt_DirectSound8

static

Initial value:

=
{
    
    IDirectSound8_fnQueryInterface,
    IDirectSound8_fnAddRef,
    IDirectSound8_fnRelease,
    
    IDirectSound8_fnCreateSoundBuffer,
    IDirectSound8_fnGetCaps,
    IDirectSound8_fnDuplicateSoundBuffer,
    IDirectSound8_fnSetCooperativeLevel,
    IDirectSound8_fnCompact,
    IDirectSound8_fnGetSpeakerConfig,
    IDirectSound8_fnSetSpeakerConfig,
    IDirectSound8_fnInitialize,
    
    IDirectSound8_fnVerifyCertification
}

Definition at line 380 of file directsound.c.

Referenced by InternalDirectSoundCreate(), and NewDirectSound().