dsound.c

winNT技术操作系统,国外开放的原代码和LIUX一样

static HRESULT WINAPI IDirectSound8_IDirectSound_SetSpeakerConfig(
    LPDIRECTSOUND iface,
    DWORD config)
{
    IDirectSound8_IDirectSound *This = (IDirectSound8_IDirectSound *)iface;
    TRACE("(%p,0x%08lx)\n",This,config);
    return IDirectSoundImpl_SetSpeakerConfig(This->pds,config);
}

static HRESULT WINAPI IDirectSound8_IDirectSound_Initialize(
    LPDIRECTSOUND iface,
    LPCGUID lpcGuid)
{
    IDirectSound8_IDirectSound *This = (IDirectSound8_IDirectSound *)iface;
    TRACE("(%p, %s)\n", This, debugstr_guid(lpcGuid));
    return IDirectSoundImpl_Initialize(This->pds,lpcGuid);
}

static const IDirectSoundVtbl DirectSound8_DirectSound_Vtbl =
{
    IDirectSound8_IDirectSound_QueryInterface,
    IDirectSound8_IDirectSound_AddRef,
    IDirectSound8_IDirectSound_Release,
    IDirectSound8_IDirectSound_CreateSoundBuffer,
    IDirectSound8_IDirectSound_GetCaps,
    IDirectSound8_IDirectSound_DuplicateSoundBuffer,
    IDirectSound8_IDirectSound_SetCooperativeLevel,
    IDirectSound8_IDirectSound_Compact,
    IDirectSound8_IDirectSound_GetSpeakerConfig,
    IDirectSound8_IDirectSound_SetSpeakerConfig,
    IDirectSound8_IDirectSound_Initialize
};

HRESULT WINAPI IDirectSound8_IDirectSound_Create(
    LPDIRECTSOUND8 pds,
    LPDIRECTSOUND * ppds)
{
    IDirectSound8_IDirectSound * pdsds;
    TRACE("(%p,%p)\n",pds,ppds);

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

    if (pds == NULL) {
        ERR("invalid parameter: pds == NULL\n");
        *ppds = NULL;
        return DSERR_INVALIDPARAM;
    }

    pdsds = HeapAlloc(GetProcessHeap(),0,sizeof(*pdsds));
    if (pdsds == NULL) {
        WARN("out of memory\n");
        *ppds = NULL;
        return DSERR_OUTOFMEMORY;
    }

    pdsds->lpVtbl = &DirectSound8_DirectSound_Vtbl;
    pdsds->ref = 0;
    pdsds->pds = pds;

    IDirectSoundImpl_AddRef(pds);
    *ppds = (LPDIRECTSOUND)pdsds;

    return DS_OK;
}

/*******************************************************************************
 *		IDirectSound8_IDirectSound8
 */
static HRESULT WINAPI IDirectSound8_IDirectSound8_QueryInterface(
    LPDIRECTSOUND8 iface,
    REFIID riid,
    LPVOID * ppobj)
{
    IDirectSound8_IDirectSound8 *This = (IDirectSound8_IDirectSound8 *)iface;
    TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
    return DSOUND_QueryInterface8(This->pds, riid, ppobj);
}

static ULONG WINAPI IDirectSound8_IDirectSound8_AddRef(
    LPDIRECTSOUND8 iface)
{
    IDirectSound8_IDirectSound8 *This = (IDirectSound8_IDirectSound8 *)iface;
    ULONG ref = InterlockedIncrement(&(This->ref));
    TRACE("(%p) ref was %ld\n", This, ref - 1);
    return ref;
}

static ULONG WINAPI IDirectSound8_IDirectSound8_Release(
    LPDIRECTSOUND8 iface)
{
    IDirectSound8_IDirectSound8 *This = (IDirectSound8_IDirectSound8 *)iface;
    ULONG ref = InterlockedDecrement(&(This->ref));
    TRACE("(%p) ref was %ld\n", This, ref + 1);
    if (!ref) {
        IDirectSoundImpl_Release(This->pds);
        HeapFree(GetProcessHeap(), 0, This);
        TRACE("(%p) released\n", This);
    }
    return ref;
}

static HRESULT WINAPI IDirectSound8_IDirectSound8_CreateSoundBuffer(
    LPDIRECTSOUND8 iface,
    LPCDSBUFFERDESC dsbd,
    LPLPDIRECTSOUNDBUFFER ppdsb,
    LPUNKNOWN lpunk)
{
    IDirectSound8_IDirectSound8 *This = (IDirectSound8_IDirectSound8 *)iface;
    TRACE("(%p,%p,%p,%p)\n",This,dsbd,ppdsb,lpunk);
    return DSOUND_CreateSoundBuffer(This->pds,dsbd,ppdsb,lpunk,TRUE);
}

static HRESULT WINAPI IDirectSound8_IDirectSound8_GetCaps(
    LPDIRECTSOUND8 iface,
    LPDSCAPS lpDSCaps)
{
    IDirectSound8_IDirectSound *This = (IDirectSound8_IDirectSound *)iface;
    TRACE("(%p,%p)\n",This,lpDSCaps);
    return IDirectSoundImpl_GetCaps(This->pds, lpDSCaps);
}

static HRESULT WINAPI IDirectSound8_IDirectSound8_DuplicateSoundBuffer(
    LPDIRECTSOUND8 iface,
    LPDIRECTSOUNDBUFFER psb,
    LPLPDIRECTSOUNDBUFFER ppdsb)
{
    IDirectSound8_IDirectSound8 *This = (IDirectSound8_IDirectSound8 *)iface;
    TRACE("(%p,%p,%p)\n",This,psb,ppdsb);
    return IDirectSoundImpl_DuplicateSoundBuffer(This->pds,psb,ppdsb);
}

static HRESULT WINAPI IDirectSound8_IDirectSound8_SetCooperativeLevel(
    LPDIRECTSOUND8 iface,
    HWND hwnd,
    DWORD level)
{
    IDirectSound8_IDirectSound8 *This = (IDirectSound8_IDirectSound8 *)iface;
    TRACE("(%p,%p,%s)\n",This,hwnd,dumpCooperativeLevel(level));
    return IDirectSoundImpl_SetCooperativeLevel(This->pds,hwnd,level);
}

static HRESULT WINAPI IDirectSound8_IDirectSound8_Compact(
    LPDIRECTSOUND8 iface)
{
    IDirectSound8_IDirectSound8 *This = (IDirectSound8_IDirectSound8 *)iface;
    TRACE("(%p)\n", This);
    return IDirectSoundImpl_Compact(This->pds);
}

static HRESULT WINAPI IDirectSound8_IDirectSound8_GetSpeakerConfig(
    LPDIRECTSOUND8 iface,
    LPDWORD lpdwSpeakerConfig)
{
    IDirectSound8_IDirectSound8 *This = (IDirectSound8_IDirectSound8 *)iface;
    TRACE("(%p, %p)\n", This, lpdwSpeakerConfig);
    return IDirectSoundImpl_GetSpeakerConfig(This->pds,lpdwSpeakerConfig);
}

static HRESULT WINAPI IDirectSound8_IDirectSound8_SetSpeakerConfig(
    LPDIRECTSOUND8 iface,
    DWORD config)
{
    IDirectSound8_IDirectSound8 *This = (IDirectSound8_IDirectSound8 *)iface;
    TRACE("(%p,0x%08lx)\n",This,config);
    return IDirectSoundImpl_SetSpeakerConfig(This->pds,config);
}

static HRESULT WINAPI IDirectSound8_IDirectSound8_Initialize(
    LPDIRECTSOUND8 iface,
    LPCGUID lpcGuid)
{
    IDirectSound8_IDirectSound8 *This = (IDirectSound8_IDirectSound8 *)iface;
    TRACE("(%p, %s)\n", This, debugstr_guid(lpcGuid));
    return IDirectSoundImpl_Initialize(This->pds,lpcGuid);
}

static HRESULT WINAPI IDirectSound8_IDirectSound8_VerifyCertification(
    LPDIRECTSOUND8 iface,
    LPDWORD pdwCertified)
{
    IDirectSound8_IDirectSound8 *This = (IDirectSound8_IDirectSound8 *)iface;
    TRACE("(%p, %p)\n", This, pdwCertified);
    return IDirectSoundImpl_VerifyCertification(This->pds,pdwCertified);
}

static const IDirectSound8Vtbl DirectSound8_DirectSound8_Vtbl =
{
    IDirectSound8_IDirectSound8_QueryInterface,
    IDirectSound8_IDirectSound8_AddRef,
    IDirectSound8_IDirectSound8_Release,
    IDirectSound8_IDirectSound8_CreateSoundBuffer,
    IDirectSound8_IDirectSound8_GetCaps,
    IDirectSound8_IDirectSound8_DuplicateSoundBuffer,
    IDirectSound8_IDirectSound8_SetCooperativeLevel,
    IDirectSound8_IDirectSound8_Compact,
    IDirectSound8_IDirectSound8_GetSpeakerConfig,
    IDirectSound8_IDirectSound8_SetSpeakerConfig,
    IDirectSound8_IDirectSound8_Initialize,
    IDirectSound8_IDirectSound8_VerifyCertification
};

HRESULT WINAPI IDirectSound8_IDirectSound8_Create(
    LPDIRECTSOUND8 pds,
    LPDIRECTSOUND8 * ppds)
{
    IDirectSound8_IDirectSound8 * pdsds;
    TRACE("(%p,%p)\n",pds,ppds);

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

    if (pds == NULL) {
        ERR("invalid parameter: pds == NULL\n");
        *ppds = NULL;
        return DSERR_INVALIDPARAM;
    }

    pdsds = HeapAlloc(GetProcessHeap(),0,sizeof(*pdsds));
    if (pdsds == NULL) {
        WARN("out of memory\n");
        *ppds = NULL;
        return DSERR_OUTOFMEMORY;
    }

    pdsds->lpVtbl = &DirectSound8_DirectSound8_Vtbl;
    pdsds->ref = 0;
    pdsds->pds = pds;

    IDirectSoundImpl_AddRef(pds);
    *ppds = (LPDIRECTSOUND8)pdsds;

    return DS_OK;
}

HRESULT WINAPI DSOUND_Create(
    LPDIRECTSOUND *ppDS,
    IUnknown *pUnkOuter)
{
    LPDIRECTSOUND8 pDS;
    HRESULT hr;
    TRACE("(%p,%p)\n",ppDS,pUnkOuter);

    /* Get dsound configuration */
    setup_dsound_options();

    hr = IDirectSoundImpl_Create(&pDS);
    if (hr == DS_OK) {
        hr = IDirectSound_IDirectSound_Create(pDS, ppDS);
        if (*ppDS)
            IDirectSound_IDirectSound_AddRef(*ppDS);
        else {
            WARN("IDirectSound_IDirectSound_Create failed\n");
            IDirectSound8_Release(pDS);
        }
    } else {
        WARN("IDirectSoundImpl_Create failed\n");
        *ppDS = 0;
    }

    return hr;
}

/*******************************************************************************
 *		DirectSoundCreate (DSOUND.1)
 *
 *  Creates and initializes a DirectSound interface.
 *
 *  PARAMS
 *     lpcGUID   [I] Address of the GUID that identifies the sound device.
 *     ppDS      [O] Address of a variable to receive the interface pointer.
 *     pUnkOuter [I] Must be NULL.
 *
 *  RETURNS
 *     Success: DS_OK
 *     Failure: DSERR_ALLOCATED, DSERR_INVALIDPARAM, DSERR_NOAGGREGATION,
 *              DSERR_NODRIVER, DSERR_OUTOFMEMORY
 */
HRESULT WINAPI DirectSoundCreate(
    LPCGUID lpcGUID,
    LPDIRECTSOUND *ppDS,
    IUnknown *pUnkOuter)
{
    HRESULT hr;
    LPDIRECTSOUND pDS;

    TRACE("(%s,%p,%p)\n",debugstr_guid(lpcGUID),ppDS,pUnkOuter);

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

    if (pUnkOuter != NULL) {
        WARN("invalid parameter: pUnkOuter != NULL\n");
        *ppDS = 0;
        return DSERR_INVALIDPARAM;
    }

    hr = DSOUND_Create(&pDS, pUnkOuter);
    if (hr == DS_OK) {
        hr = IDirectSound_Initialize(pDS, lpcGUID);
        if (hr != DS_OK) {
            if (hr != DSERR_ALREADYINITIALIZED) {
                IDirectSound_Release(pDS);
                pDS = 0;
            } else
                hr = DS_OK;
        }
    }

    *ppDS = pDS;

    return hr;
}

HRESULT WINAPI DSOUND_Create8(
    LPDIRECTSOUND8 *ppDS,
    IUnknown *pUnkOuter)
{
    LPDIRECTSOUND8 pDS;
    HRESULT hr;
    TRACE("(%p,%p)\n",ppDS,pUnkOuter);

    /* Get dsound configuration */
    setup_dsound_options();

    hr = IDirectSoundImpl_Create(&pDS);
    if (hr == DS_OK) {
        hr = IDirectSound8_IDirectSound8_Create(pDS, ppDS);
        if (*ppDS)
            IDirectSound8_IDirectSound8_AddRef(*ppDS);
        else {
            WARN("IDirectSound8_IDirectSound8_Create failed\n");
            IDirectSound8_Release(pDS);
        }
    } else {
        WARN("IDirectSoundImpl_Create failed\n");
        *ppDS = 0;
    }

    return hr;
}

/*******************************************************************************
 *        DirectSoundCreate8 (DSOUND.11)
 *
 *  Creates and initializes a DirectSound8 interface.
 *
 *  PARAMS
 *     lpcGUID   [I] Address of the GUID that identifies the sound device.
 *     ppDS      [O] Address of a variable to receive the interface pointer.
 *     pUnkOuter [I] Must be NULL.
 *
 *  RETURNS
 *     Success: DS_OK
 *     Failure: DSERR_ALLOCATED, DSERR_INVALIDPARAM, DSERR_NOAGGREGATION,
 *              DSERR_NODRIVER, DSERR_OUTOFMEMORY
 */
HRESULT WINAPI DirectSoundCreate8(
    LPCGUID lpcGUID,
    LPDIRECTSOUND8 *ppDS,
    IUnknown *pUnkOuter)
{
    HRESULT hr;
    LPDIRECTSOUND8 pDS;

    TRACE("(%s,%p,%p)\n",debugstr_guid(lpcGUID),ppDS,pUnkOuter);

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

    if (pUnkOuter != NULL) {
        WARN("invalid parameter: pUnkOuter != NULL\n");
        *ppDS = 0;
        return DSERR_INVALIDPARAM;
    }

    hr = DSOUND_Create8(&pDS, pUnkOuter);
    if (hr == DS_OK) {
        hr = IDirectSound8_Initialize(pDS, lpcGUID);
        if (hr != DS_OK) {
            if (hr != DSERR_ALREADYINITIALIZED) {
                IDirectSound8_Release(pDS);
                pDS = 0;
            } else
                hr = DS_OK;
        }
    }

    *ppDS = pDS;

    return hr;
}

/*
 * Add secondary buffer to buffer list.
 * Gets exclusive access to buffer for writing.
 */
HRESULT DSOUND_AddBuffer(
    IDirectSoundImpl * pDS,
    IDirectSoundBufferImpl * pDSB)
{
    IDirectSoundBufferImpl **newbuffers;
    HRESULT hr = DS_OK;

    TRACE("(%p, %p)\n", pDS, pDSB);

    RtlAcquireResourceExclusive(&(pDS->device->buffer_list_lock), TRUE);

    if (pDS->device->buffers)
        newbuffers = HeapReAlloc(GetProcessHeap(),0,pDS->device->buffers,sizeof(IDirectSoundBufferImpl*)*(pDS->device->nrofbuffers+1));
    else
        newbuffers = HeapAlloc(GetProcessHeap(),0,sizeof(IDirectSoundBufferImpl*)*(pDS->device->nrofbuffers+1));

    if (newbuffers) {
        pDS->device->buffers = newbuffers;
        pDS->device->buffers[pDS->device->nrofbuffers] = pDSB;
        pDS->device->nrofbuffers++;
        TRACE("buffer count is now %d\n", pDS->device->nrofbuffers);
    } else {
        ERR("out of memory for buffer list! Current buffer count is %d\n", pDS->device->nrofbuffers);
        hr = DSERR_OUTOFMEMORY;
    }

    RtlReleaseResource(&(pDS->device->buffer_list_lock));

    return hr;
}

/*
 * Remove secondary buffer from buffer list.
 * Gets exclusive access to buffer for writing.
 */
HRESULT DSOUND_RemoveBuffer(
    IDirectSoundImpl * pDS,
    IDirectSoundBufferImpl * pDSB)
{
    int i;
    HRESULT hr = DS_OK;

    TRACE("(%p, %p)\n", pDS, pDSB);

    RtlAcquireResourceExclusive(&(pDS->device->buffer_list_lock), TRUE);

    for (i = 0; i < pDS->device->nrofbuffers; i++)
        if (pDS->device->buffers[i] == pDSB)
            break;

    if (i < pDS->device->nrofbuffers) {
        /* Put the last buffer of the list in the (now empty) position */
        pDS->device->buffers[i] = pDS->device->buffers[pDS->device->nrofbuffers - 1];
        pDS->device->nrofbuffers--;
        pDS->device->buffers = HeapReAlloc(GetProcessHeap(),0,pDS->device->buffers,sizeof(LPDIRECTSOUNDBUFFER8)*pDS->device->nrofbuffers);
        TRACE("buffer count is now %d\n", pDS->device->nrofbuffers);
    }

    if (pDS->device->nrofbuffers == 0) {
        HeapFree(GetProcessHeap(),0,pDS->device->buffers);
        pDS->device->buffers = NULL;
    }

    RtlReleaseResource(&(pDS->device->buffer_list_lock));

    return hr;
}