2 * Direct Sound Audio Renderer
4 * Copyright 2004 Christian Costa
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
23 #include "quartz_private.h"
24 #include "control_private.h"
38 #include "wine/unicode.h"
39 #include "wine/debug.h"
41 WINE_DEFAULT_DEBUG_CHANNEL(quartz);
43 static const WCHAR wcsInputPinName[] = {'i','n','p','u','t',' ','p','i','n',0};
45 static const IBaseFilterVtbl DSoundRender_Vtbl;
46 static const IPinVtbl DSoundRender_InputPin_Vtbl;
47 static const IMemInputPinVtbl MemInputPin_Vtbl;
48 static const IBasicAudioVtbl IBasicAudio_Vtbl;
50 typedef struct DSoundRenderImpl
52 const IBaseFilterVtbl * lpVtbl;
53 const IBasicAudioVtbl *IBasicAudio_vtbl;
56 CRITICAL_SECTION csFilter;
58 REFERENCE_TIME rtStreamStart;
59 IReferenceClock * pClock;
60 FILTER_INFO filterInfo;
66 LPDIRECTSOUNDBUFFER dsbuffer;
72 static HRESULT DSoundRender_InputPin_Construct(const PIN_INFO * pPinInfo, SAMPLEPROC pSampleProc, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept, LPCRITICAL_SECTION pCritSec, IPin ** ppPin)
78 if (pPinInfo->dir != PINDIR_INPUT)
80 ERR("Pin direction(%x) != PINDIR_INPUT\n", pPinInfo->dir);
84 pPinImpl = CoTaskMemAlloc(sizeof(*pPinImpl));
89 if (SUCCEEDED(InputPin_Init(pPinInfo, pSampleProc, pUserData, pQueryAccept, pCritSec, pPinImpl)))
91 pPinImpl->pin.lpVtbl = &DSoundRender_InputPin_Vtbl;
92 pPinImpl->lpVtblMemInput = &MemInputPin_Vtbl;
94 *ppPin = (IPin *)(&pPinImpl->pin.lpVtbl);
101 #define DSBUFFERSIZE 8192
103 static HRESULT DSoundRender_CreateSoundBuffer(IBaseFilter * iface)
106 WAVEFORMATEX wav_fmt;
108 WAVEFORMATEX* format;
109 DSBUFFERDESC buf_desc;
110 DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
112 hr = IPin_ConnectionMediaType(This->ppPins[0], &amt);
114 ERR("Unable to retrieve media type\n");
118 TRACE("MajorType %s\n", debugstr_guid(&amt.majortype));
119 TRACE("SubType %s\n", debugstr_guid(&amt.subtype));
120 TRACE("Format %s\n", debugstr_guid(&amt.formattype));
121 TRACE("Size %d\n", amt.cbFormat);
123 dump_AM_MEDIA_TYPE(&amt);
125 format = (WAVEFORMATEX*)amt.pbFormat;
126 TRACE("wFormatTag = %x %x\n", format->wFormatTag, WAVE_FORMAT_PCM);
127 TRACE("nChannels = %d\n", format->nChannels);
128 TRACE("nSamplesPerSec = %u\n", format->nSamplesPerSec);
129 TRACE("nAvgBytesPerSec = %u\n", format->nAvgBytesPerSec);
130 TRACE("nBlockAlign = %d\n", format->nBlockAlign);
131 TRACE("wBitsPerSample = %d\n", format->wBitsPerSample);
132 TRACE("cbSize = %d\n", format->cbSize);
134 hr = DirectSoundCreate(NULL, &This->dsound, NULL);
136 ERR("Cannot create Direct Sound object\n");
143 memset(&buf_desc,0,sizeof(DSBUFFERDESC));
144 buf_desc.dwSize = sizeof(DSBUFFERDESC);
145 buf_desc.dwBufferBytes = DSBUFFERSIZE;
146 buf_desc.lpwfxFormat = &wav_fmt;
147 hr = IDirectSound_CreateSoundBuffer(This->dsound, &buf_desc, &This->dsbuffer, NULL);
149 ERR("Can't create sound buffer !\n");
150 IDirectSound_Release(This->dsound);
159 static HRESULT DSoundRender_SendSampleData(DSoundRenderImpl* This, LPBYTE data, DWORD size)
162 LPBYTE lpbuf1 = NULL;
163 LPBYTE lpbuf2 = NULL;
167 DWORD play_pos,buf_free;
171 hr = IDirectSoundBuffer_GetCurrentPosition(This->dsbuffer, &play_pos, NULL);
174 ERR("Error GetCurrentPosition: %x\n", hr);
177 if (This->write_pos < play_pos)
178 buf_free = play_pos-This->write_pos;
180 buf_free = DSBUFFERSIZE - This->write_pos + play_pos;
182 /* This situation is ambiguous; Assume full when playing */
183 if(buf_free == DSBUFFERSIZE && This->started)
189 size2 = min(buf_free, size);
190 hr = IDirectSoundBuffer_Lock(This->dsbuffer, This->write_pos, size2, (LPVOID *)&lpbuf1, &dwsize1, (LPVOID *)&lpbuf2, &dwsize2, 0);
192 ERR("Unable to lock sound buffer! (%x)\n", hr);
195 /* TRACE("write_pos=%d, size=%d, sz1=%d, sz2=%d\n", This->write_pos, size2, dwsize1, dwsize2); */
197 memcpy(lpbuf1, data, dwsize1);
199 memcpy(lpbuf2, data + dwsize1, dwsize2);
201 hr = IDirectSoundBuffer_Unlock(This->dsbuffer, lpbuf1, dwsize1, lpbuf2, dwsize2);
203 ERR("Unable to unlock sound buffer! (%x)\n", hr);
206 hr = IDirectSoundBuffer_Play(This->dsbuffer, 0, 0, DSBPLAY_LOOPING);
208 This->started = TRUE;
210 ERR("Can't start playing! (%x)\n", hr);
212 size -= dwsize1 + dwsize2;
213 data += dwsize1 + dwsize2;
214 This->write_pos = (This->write_pos + dwsize1 + dwsize2) % DSBUFFERSIZE;
224 static HRESULT DSoundRender_Sample(LPVOID iface, IMediaSample * pSample)
226 DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
227 LPBYTE pbSrcStream = NULL;
228 long cbSrcStream = 0;
229 REFERENCE_TIME tStart, tStop;
232 TRACE("%p %p\n", iface, pSample);
234 if (This->state != State_Running)
235 return VFW_E_WRONG_STATE;
237 hr = IMediaSample_GetPointer(pSample, &pbSrcStream);
240 ERR("Cannot get pointer to sample data (%x)\n", hr);
244 hr = IMediaSample_GetTime(pSample, &tStart, &tStop);
246 ERR("Cannot get sample time (%x)\n", hr);
248 cbSrcStream = IMediaSample_GetActualDataLength(pSample);
250 TRACE("Sample data ptr = %p, size = %ld\n", pbSrcStream, cbSrcStream);
252 #if 0 /* For debugging purpose */
255 for(i = 0; i < cbSrcStream; i++)
257 if ((i!=0) && !(i%16))
259 TRACE("%02x ", pbSrcStream[i]);
267 hr = DSoundRender_CreateSoundBuffer(iface);
272 ERR("Unable to create DSound buffer\n");
277 hr = DSoundRender_SendSampleData(This, pbSrcStream, cbSrcStream);
282 static HRESULT DSoundRender_QueryAccept(LPVOID iface, const AM_MEDIA_TYPE * pmt)
284 WAVEFORMATEX* format = (WAVEFORMATEX*)pmt->pbFormat;
285 TRACE("wFormatTag = %x %x\n", format->wFormatTag, WAVE_FORMAT_PCM);
286 TRACE("nChannels = %d\n", format->nChannels);
287 TRACE("nSamplesPerSec = %d\n", format->nAvgBytesPerSec);
288 TRACE("nAvgBytesPerSec = %d\n", format->nAvgBytesPerSec);
289 TRACE("nBlockAlign = %d\n", format->nBlockAlign);
290 TRACE("wBitsPerSample = %d\n", format->wBitsPerSample);
292 if (IsEqualIID(&pmt->majortype, &MEDIATYPE_Audio) && IsEqualIID(&pmt->subtype, &MEDIASUBTYPE_PCM))
297 HRESULT DSoundRender_create(IUnknown * pUnkOuter, LPVOID * ppv)
301 DSoundRenderImpl * pDSoundRender;
303 TRACE("(%p, %p)\n", pUnkOuter, ppv);
308 return CLASS_E_NOAGGREGATION;
310 pDSoundRender = CoTaskMemAlloc(sizeof(DSoundRenderImpl));
312 return E_OUTOFMEMORY;
313 ZeroMemory(pDSoundRender, sizeof(DSoundRenderImpl));
315 pDSoundRender->lpVtbl = &DSoundRender_Vtbl;
316 pDSoundRender->IBasicAudio_vtbl = &IBasicAudio_Vtbl;
317 pDSoundRender->refCount = 1;
318 InitializeCriticalSection(&pDSoundRender->csFilter);
319 pDSoundRender->state = State_Stopped;
321 pDSoundRender->ppPins = CoTaskMemAlloc(1 * sizeof(IPin *));
322 if (!pDSoundRender->ppPins)
324 DeleteCriticalSection(&pDSoundRender->csFilter);
325 CoTaskMemFree(pDSoundRender);
326 return E_OUTOFMEMORY;
329 /* construct input pin */
330 piInput.dir = PINDIR_INPUT;
331 piInput.pFilter = (IBaseFilter *)pDSoundRender;
332 lstrcpynW(piInput.achName, wcsInputPinName, sizeof(piInput.achName) / sizeof(piInput.achName[0]));
333 hr = DSoundRender_InputPin_Construct(&piInput, DSoundRender_Sample, (LPVOID)pDSoundRender, DSoundRender_QueryAccept, &pDSoundRender->csFilter, (IPin **)&pDSoundRender->pInputPin);
337 pDSoundRender->ppPins[0] = (IPin *)pDSoundRender->pInputPin;
338 *ppv = (LPVOID)pDSoundRender;
342 CoTaskMemFree(pDSoundRender->ppPins);
343 DeleteCriticalSection(&pDSoundRender->csFilter);
344 CoTaskMemFree(pDSoundRender);
350 static HRESULT WINAPI DSoundRender_QueryInterface(IBaseFilter * iface, REFIID riid, LPVOID * ppv)
352 DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
353 TRACE("(%p, %p)->(%s, %p)\n", This, iface, qzdebugstr_guid(riid), ppv);
357 if (IsEqualIID(riid, &IID_IUnknown))
359 else if (IsEqualIID(riid, &IID_IPersist))
361 else if (IsEqualIID(riid, &IID_IMediaFilter))
363 else if (IsEqualIID(riid, &IID_IBaseFilter))
365 else if (IsEqualIID(riid, &IID_IBasicAudio))
366 *ppv = (LPVOID)&(This->IBasicAudio_vtbl);
370 IUnknown_AddRef((IUnknown *)(*ppv));
374 FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
376 return E_NOINTERFACE;
379 static ULONG WINAPI DSoundRender_AddRef(IBaseFilter * iface)
381 DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
382 ULONG refCount = InterlockedIncrement(&This->refCount);
384 TRACE("(%p/%p)->() AddRef from %d\n", This, iface, refCount - 1);
389 static ULONG WINAPI DSoundRender_Release(IBaseFilter * iface)
391 DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
392 ULONG refCount = InterlockedDecrement(&This->refCount);
394 TRACE("(%p)->() Release from %d\n", This, refCount + 1);
398 DeleteCriticalSection(&This->csFilter);
400 IReferenceClock_Release(This->pClock);
403 IDirectSoundBuffer_Release(This->dsbuffer);
404 This->dsbuffer = NULL;
406 IDirectSound_Release(This->dsound);
409 IPin_Release(This->ppPins[0]);
411 CoTaskMemFree(This->ppPins);
413 This->IBasicAudio_vtbl = NULL;
415 TRACE("Destroying Audio Renderer\n");
424 /** IPersist methods **/
426 static HRESULT WINAPI DSoundRender_GetClassID(IBaseFilter * iface, CLSID * pClsid)
428 DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
429 TRACE("(%p/%p)->(%p)\n", This, iface, pClsid);
431 *pClsid = CLSID_DSoundRender;
436 /** IMediaFilter methods **/
438 static HRESULT WINAPI DSoundRender_Stop(IBaseFilter * iface)
441 DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
443 TRACE("(%p/%p)->()\n", This, iface);
445 EnterCriticalSection(&This->csFilter);
450 hr = IDirectSoundBuffer_GetStatus(This->dsbuffer, &state);
453 if (state & DSBSTATUS_PLAYING)
454 hr = IDirectSoundBuffer_Stop(This->dsbuffer);
459 This->started = FALSE;
460 This->state = State_Stopped;
463 LeaveCriticalSection(&This->csFilter);
468 static HRESULT WINAPI DSoundRender_Pause(IBaseFilter * iface)
471 DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
473 TRACE("(%p/%p)->()\n", This, iface);
475 EnterCriticalSection(&This->csFilter);
480 hr = IDirectSoundBuffer_GetStatus(This->dsbuffer, &state);
483 if (state & DSBSTATUS_PLAYING)
484 hr = IDirectSoundBuffer_Stop(This->dsbuffer);
489 This->started = FALSE;
490 This->state = State_Paused;
493 LeaveCriticalSection(&This->csFilter);
498 static HRESULT WINAPI DSoundRender_Run(IBaseFilter * iface, REFERENCE_TIME tStart)
501 DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
503 TRACE("(%p/%p)->(%s)\n", This, iface, wine_dbgstr_longlong(tStart));
505 EnterCriticalSection(&This->csFilter);
507 This->rtStreamStart = tStart;
508 This->state = State_Running;
510 LeaveCriticalSection(&This->csFilter);
515 static HRESULT WINAPI DSoundRender_GetState(IBaseFilter * iface, DWORD dwMilliSecsTimeout, FILTER_STATE *pState)
517 DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
519 TRACE("(%p/%p)->(%d, %p)\n", This, iface, dwMilliSecsTimeout, pState);
521 EnterCriticalSection(&This->csFilter);
523 *pState = This->state;
525 LeaveCriticalSection(&This->csFilter);
530 static HRESULT WINAPI DSoundRender_SetSyncSource(IBaseFilter * iface, IReferenceClock *pClock)
532 DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
534 TRACE("(%p/%p)->(%p)\n", This, iface, pClock);
536 EnterCriticalSection(&This->csFilter);
539 IReferenceClock_Release(This->pClock);
540 This->pClock = pClock;
542 IReferenceClock_AddRef(This->pClock);
544 LeaveCriticalSection(&This->csFilter);
549 static HRESULT WINAPI DSoundRender_GetSyncSource(IBaseFilter * iface, IReferenceClock **ppClock)
551 DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
553 TRACE("(%p/%p)->(%p)\n", This, iface, ppClock);
555 EnterCriticalSection(&This->csFilter);
557 *ppClock = This->pClock;
558 IReferenceClock_AddRef(This->pClock);
560 LeaveCriticalSection(&This->csFilter);
565 /** IBaseFilter implementation **/
567 static HRESULT WINAPI DSoundRender_EnumPins(IBaseFilter * iface, IEnumPins **ppEnum)
570 DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
572 TRACE("(%p/%p)->(%p)\n", This, iface, ppEnum);
574 epd.cPins = 1; /* input pin */
575 epd.ppPins = This->ppPins;
576 return IEnumPinsImpl_Construct(&epd, ppEnum);
579 static HRESULT WINAPI DSoundRender_FindPin(IBaseFilter * iface, LPCWSTR Id, IPin **ppPin)
581 DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
583 TRACE("(%p/%p)->(%s,%p)\n", This, iface, debugstr_w(Id), ppPin);
585 FIXME("DSoundRender::FindPin(...)\n");
587 /* FIXME: critical section */
592 static HRESULT WINAPI DSoundRender_QueryFilterInfo(IBaseFilter * iface, FILTER_INFO *pInfo)
594 DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
596 TRACE("(%p/%p)->(%p)\n", This, iface, pInfo);
598 strcpyW(pInfo->achName, This->filterInfo.achName);
599 pInfo->pGraph = This->filterInfo.pGraph;
602 IFilterGraph_AddRef(pInfo->pGraph);
607 static HRESULT WINAPI DSoundRender_JoinFilterGraph(IBaseFilter * iface, IFilterGraph *pGraph, LPCWSTR pName)
609 DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
611 TRACE("(%p/%p)->(%p, %s)\n", This, iface, pGraph, debugstr_w(pName));
613 EnterCriticalSection(&This->csFilter);
616 strcpyW(This->filterInfo.achName, pName);
618 *This->filterInfo.achName = '\0';
619 This->filterInfo.pGraph = pGraph; /* NOTE: do NOT increase ref. count */
621 LeaveCriticalSection(&This->csFilter);
626 static HRESULT WINAPI DSoundRender_QueryVendorInfo(IBaseFilter * iface, LPWSTR *pVendorInfo)
628 DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
629 TRACE("(%p/%p)->(%p)\n", This, iface, pVendorInfo);
633 static const IBaseFilterVtbl DSoundRender_Vtbl =
635 DSoundRender_QueryInterface,
637 DSoundRender_Release,
638 DSoundRender_GetClassID,
642 DSoundRender_GetState,
643 DSoundRender_SetSyncSource,
644 DSoundRender_GetSyncSource,
645 DSoundRender_EnumPins,
646 DSoundRender_FindPin,
647 DSoundRender_QueryFilterInfo,
648 DSoundRender_JoinFilterGraph,
649 DSoundRender_QueryVendorInfo
652 static HRESULT WINAPI DSoundRender_InputPin_EndOfStream(IPin * iface)
654 InputPin* This = (InputPin*)iface;
655 IMediaEventSink* pEventSink;
658 TRACE("(%p/%p)->()\n", This, iface);
660 hr = IFilterGraph_QueryInterface(((DSoundRenderImpl*)This->pin.pinInfo.pFilter)->filterInfo.pGraph, &IID_IMediaEventSink, (LPVOID*)&pEventSink);
663 /* FIXME: We should wait that all audio data has been played */
664 hr = IMediaEventSink_Notify(pEventSink, EC_COMPLETE, S_OK, 0);
665 IMediaEventSink_Release(pEventSink);
671 static const IPinVtbl DSoundRender_InputPin_Vtbl =
673 InputPin_QueryInterface,
677 InputPin_ReceiveConnection,
679 IPinImpl_ConnectedTo,
680 IPinImpl_ConnectionMediaType,
681 IPinImpl_QueryPinInfo,
682 IPinImpl_QueryDirection,
684 IPinImpl_QueryAccept,
685 IPinImpl_EnumMediaTypes,
686 IPinImpl_QueryInternalConnections,
687 DSoundRender_InputPin_EndOfStream,
693 static const IMemInputPinVtbl MemInputPin_Vtbl =
695 MemInputPin_QueryInterface,
698 MemInputPin_GetAllocator,
699 MemInputPin_NotifyAllocator,
700 MemInputPin_GetAllocatorRequirements,
702 MemInputPin_ReceiveMultiple,
703 MemInputPin_ReceiveCanBlock
706 /*** IUnknown methods ***/
707 static HRESULT WINAPI Basicaudio_QueryInterface(IBasicAudio *iface,
710 ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
712 TRACE("(%p/%p)->(%s (%p), %p)\n", This, iface, debugstr_guid(riid), riid, ppvObj);
714 return DSoundRender_QueryInterface((IBaseFilter*)This, riid, ppvObj);
717 static ULONG WINAPI Basicaudio_AddRef(IBasicAudio *iface) {
718 ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
720 TRACE("(%p/%p)->()\n", This, iface);
722 return DSoundRender_AddRef((IBaseFilter*)This);
725 static ULONG WINAPI Basicaudio_Release(IBasicAudio *iface) {
726 ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
728 TRACE("(%p/%p)->()\n", This, iface);
730 return DSoundRender_Release((IBaseFilter*)This);
733 /*** IDispatch methods ***/
734 static HRESULT WINAPI Basicaudio_GetTypeInfoCount(IBasicAudio *iface,
736 ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
738 TRACE("(%p/%p)->(%p): stub !!!\n", This, iface, pctinfo);
743 static HRESULT WINAPI Basicaudio_GetTypeInfo(IBasicAudio *iface,
746 ITypeInfo**ppTInfo) {
747 ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
749 TRACE("(%p/%p)->(%d, %d, %p): stub !!!\n", This, iface, iTInfo, lcid, ppTInfo);
754 static HRESULT WINAPI Basicaudio_GetIDsOfNames(IBasicAudio *iface,
760 ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
762 TRACE("(%p/%p)->(%s (%p), %p, %d, %d, %p): stub !!!\n", This, iface, debugstr_guid(riid), riid, rgszNames, cNames, lcid, rgDispId);
767 static HRESULT WINAPI Basicaudio_Invoke(IBasicAudio *iface,
772 DISPPARAMS*pDispParams,
776 ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
778 TRACE("(%p/%p)->(%d, %s (%p), %d, %04x, %p, %p, %p, %p): stub !!!\n", This, iface, dispIdMember, debugstr_guid(riid), riid, lcid, wFlags, pDispParams, pVarResult, pExepInfo, puArgErr);
783 /*** IBasicAudio methods ***/
784 static HRESULT WINAPI Basicaudio_put_Volume(IBasicAudio *iface,
786 ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
788 TRACE("(%p/%p)->(%ld): stub !!!\n", This, iface, lVolume);
793 static HRESULT WINAPI Basicaudio_get_Volume(IBasicAudio *iface,
795 ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
797 TRACE("(%p/%p)->(%p): stub !!!\n", This, iface, plVolume);
802 static HRESULT WINAPI Basicaudio_put_Balance(IBasicAudio *iface,
804 ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
806 TRACE("(%p/%p)->(%ld): stub !!!\n", This, iface, lBalance);
811 static HRESULT WINAPI Basicaudio_get_Balance(IBasicAudio *iface,
813 ICOM_THIS_MULTI(DSoundRenderImpl, IBasicAudio_vtbl, iface);
815 TRACE("(%p/%p)->(%p): stub !!!\n", This, iface, plBalance);
820 static const IBasicAudioVtbl IBasicAudio_Vtbl =
822 Basicaudio_QueryInterface,
825 Basicaudio_GetTypeInfoCount,
826 Basicaudio_GetTypeInfo,
827 Basicaudio_GetIDsOfNames,
829 Basicaudio_put_Volume,
830 Basicaudio_get_Volume,
831 Basicaudio_put_Balance,
832 Basicaudio_get_Balance