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Sweden-Number/dlls/dsound/capture.c

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/* DirectSoundCapture
*
* Copyright 1998 Marcus Meissner
* Copyright 1998 Rob Riggs
* Copyright 2000-2001 TransGaming Technologies, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
/*
* TODO:
* Implement FX support.
* Implement both IDirectSoundCaptureBuffer and IDirectSoundCaptureBuffer8
* Make DirectSoundCaptureCreate and DirectSoundCaptureCreate8 behave differently
*/
#include <stdarg.h>
#define COBJMACROS
#define NONAMELESSSTRUCT
#define NONAMELESSUNION
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "mmsystem.h"
#include "mmddk.h"
#include "winternl.h"
#include "winnls.h"
#include "wine/debug.h"
#include "dsound.h"
#include "dsound_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(dsound);
/*****************************************************************************
* IDirectSoundCaptureNotify implementation structure
*/
struct IDirectSoundCaptureNotifyImpl
{
/* IUnknown fields */
const IDirectSoundNotifyVtbl *lpVtbl;
LONG ref;
IDirectSoundCaptureBufferImpl* dscb;
};
/*******************************************************************************
* IDirectSoundCaptureNotify
*/
static HRESULT WINAPI IDirectSoundCaptureNotifyImpl_QueryInterface(
LPDIRECTSOUNDNOTIFY iface,
REFIID riid,
LPVOID *ppobj)
{
IDirectSoundCaptureNotifyImpl *This = (IDirectSoundCaptureNotifyImpl *)iface;
TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
if (This->dscb == NULL) {
WARN("invalid parameter\n");
return E_INVALIDARG;
}
return IDirectSoundCaptureBuffer_QueryInterface((LPDIRECTSOUNDCAPTUREBUFFER)This->dscb, riid, ppobj);
}
static ULONG WINAPI IDirectSoundCaptureNotifyImpl_AddRef(LPDIRECTSOUNDNOTIFY iface)
{
IDirectSoundCaptureNotifyImpl *This = (IDirectSoundCaptureNotifyImpl *)iface;
ULONG ref = InterlockedIncrement(&(This->ref));
TRACE("(%p) ref was %d\n", This, ref - 1);
return ref;
}
static ULONG WINAPI IDirectSoundCaptureNotifyImpl_Release(LPDIRECTSOUNDNOTIFY iface)
{
IDirectSoundCaptureNotifyImpl *This = (IDirectSoundCaptureNotifyImpl *)iface;
ULONG ref = InterlockedDecrement(&(This->ref));
TRACE("(%p) ref was %d\n", This, ref + 1);
if (!ref) {
This->dscb->notify=NULL;
IDirectSoundCaptureBuffer_Release((LPDIRECTSOUNDCAPTUREBUFFER)This->dscb);
HeapFree(GetProcessHeap(),0,This);
TRACE("(%p) released\n", This);
}
return ref;
}
static HRESULT WINAPI IDirectSoundCaptureNotifyImpl_SetNotificationPositions(
LPDIRECTSOUNDNOTIFY iface,
DWORD howmuch,
LPCDSBPOSITIONNOTIFY notify)
{
IDirectSoundCaptureNotifyImpl *This = (IDirectSoundCaptureNotifyImpl *)iface;
TRACE("(%p,0x%08x,%p)\n",This,howmuch,notify);
if (howmuch > 0 && notify == NULL) {
WARN("invalid parameter: notify == NULL\n");
return DSERR_INVALIDPARAM;
}
if (TRACE_ON(dsound)) {
unsigned int i;
for (i=0;i<howmuch;i++)
TRACE("notify at %d to %p\n",
notify[i].dwOffset,notify[i].hEventNotify);
}
if (howmuch > 0) {
/* Make an internal copy of the caller-supplied array.
* Replace the existing copy if one is already present. */
if (This->dscb->notifies)
This->dscb->notifies = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
This->dscb->notifies, howmuch * sizeof(DSBPOSITIONNOTIFY));
else
This->dscb->notifies = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
howmuch * sizeof(DSBPOSITIONNOTIFY));
if (This->dscb->notifies == NULL) {
WARN("out of memory\n");
return DSERR_OUTOFMEMORY;
}
CopyMemory(This->dscb->notifies, notify, howmuch * sizeof(DSBPOSITIONNOTIFY));
This->dscb->nrofnotifies = howmuch;
} else {
HeapFree(GetProcessHeap(), 0, This->dscb->notifies);
This->dscb->notifies = NULL;
This->dscb->nrofnotifies = 0;
}
return S_OK;
}
static const IDirectSoundNotifyVtbl dscnvt =
{
IDirectSoundCaptureNotifyImpl_QueryInterface,
IDirectSoundCaptureNotifyImpl_AddRef,
IDirectSoundCaptureNotifyImpl_Release,
IDirectSoundCaptureNotifyImpl_SetNotificationPositions,
};
static HRESULT IDirectSoundCaptureNotifyImpl_Create(
IDirectSoundCaptureBufferImpl *dscb,
IDirectSoundCaptureNotifyImpl **pdscn)
{
IDirectSoundCaptureNotifyImpl * dscn;
TRACE("(%p,%p)\n",dscb,pdscn);
dscn = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*dscn));
if (dscn == NULL) {
WARN("out of memory\n");
return DSERR_OUTOFMEMORY;
}
dscn->ref = 0;
dscn->lpVtbl = &dscnvt;
dscn->dscb = dscb;
dscb->notify = dscn;
IDirectSoundCaptureBuffer_AddRef((LPDIRECTSOUNDCAPTUREBUFFER)dscb);
*pdscn = dscn;
return DS_OK;
}
static const char * const captureStateString[] = {
"STATE_STOPPED",
"STATE_STARTING",
"STATE_CAPTURING",
"STATE_STOPPING"
};
/*******************************************************************************
* IDirectSoundCaptureBuffer
*/
static HRESULT WINAPI
IDirectSoundCaptureBufferImpl_QueryInterface(
LPDIRECTSOUNDCAPTUREBUFFER8 iface,
REFIID riid,
LPVOID* ppobj )
{
IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
HRESULT hres;
TRACE( "(%p,%s,%p)\n", This, debugstr_guid(riid), ppobj );
if (ppobj == NULL) {
WARN("invalid parameter\n");
return E_INVALIDARG;
}
*ppobj = NULL;
if ( IsEqualGUID( &IID_IDirectSoundNotify, riid ) ) {
if (!This->notify){
hres = IDirectSoundCaptureNotifyImpl_Create(This, &This->notify);
if(FAILED(hres))
return hres;
}
IDirectSoundNotify_AddRef((LPDIRECTSOUNDNOTIFY)This->notify);
*ppobj = This->notify;
return DS_OK;
}
if ( IsEqualGUID( &IID_IDirectSoundCaptureBuffer, riid ) ||
IsEqualGUID( &IID_IDirectSoundCaptureBuffer8, riid ) ) {
IDirectSoundCaptureBuffer8_AddRef(iface);
*ppobj = This;
return NO_ERROR;
}
FIXME("(%p,%s,%p) unsupported GUID\n", This, debugstr_guid(riid), ppobj);
return E_NOINTERFACE;
}
static ULONG WINAPI
IDirectSoundCaptureBufferImpl_AddRef( LPDIRECTSOUNDCAPTUREBUFFER8 iface )
{
IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
ULONG ref = InterlockedIncrement(&(This->ref));
TRACE("(%p) ref was %d\n", This, ref - 1);
return ref;
}
static ULONG WINAPI
IDirectSoundCaptureBufferImpl_Release( LPDIRECTSOUNDCAPTUREBUFFER8 iface )
{
IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
ULONG ref = InterlockedDecrement(&(This->ref));
TRACE("(%p) ref was %d\n", This, ref + 1);
if (!ref) {
TRACE("deleting object\n");
if (This->device->state == STATE_CAPTURING)
This->device->state = STATE_STOPPING;
HeapFree(GetProcessHeap(),0, This->pdscbd);
if (This->device->client) {
IAudioClient_Release(This->device->client);
This->device->client = NULL;
}
if (This->device->capture) {
IAudioCaptureClient_Release(This->device->capture);
This->device->capture = NULL;
}
/* remove from DirectSoundCaptureDevice */
This->device->capture_buffer = NULL;
if (This->notify)
IDirectSoundNotify_Release((LPDIRECTSOUNDNOTIFY)This->notify);
HeapFree(GetProcessHeap(), 0, This->notifies);
HeapFree( GetProcessHeap(), 0, This );
TRACE("(%p) released\n", This);
}
return ref;
}
static HRESULT WINAPI
IDirectSoundCaptureBufferImpl_GetCaps(
LPDIRECTSOUNDCAPTUREBUFFER8 iface,
LPDSCBCAPS lpDSCBCaps )
{
IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
TRACE( "(%p,%p)\n", This, lpDSCBCaps );
if (lpDSCBCaps == NULL) {
WARN("invalid parameter: lpDSCBCaps == NULL\n");
return DSERR_INVALIDPARAM;
}
if (lpDSCBCaps->dwSize < sizeof(DSCBCAPS)) {
WARN("invalid parameter: lpDSCBCaps->dwSize = %d\n", lpDSCBCaps->dwSize);
return DSERR_INVALIDPARAM;
}
if (This->device == NULL) {
WARN("invalid parameter: This->device == NULL\n");
return DSERR_INVALIDPARAM;
}
lpDSCBCaps->dwSize = sizeof(DSCBCAPS);
lpDSCBCaps->dwFlags = This->flags;
lpDSCBCaps->dwBufferBytes = This->pdscbd->dwBufferBytes;
lpDSCBCaps->dwReserved = 0;
TRACE("returning DS_OK\n");
return DS_OK;
}
static HRESULT WINAPI
IDirectSoundCaptureBufferImpl_GetCurrentPosition(
LPDIRECTSOUNDCAPTUREBUFFER8 iface,
LPDWORD lpdwCapturePosition,
LPDWORD lpdwReadPosition )
{
IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
TRACE( "(%p,%p,%p)\n", This, lpdwCapturePosition, lpdwReadPosition );
if (This->device == NULL) {
WARN("invalid parameter: This->device == NULL\n");
return DSERR_INVALIDPARAM;
}
EnterCriticalSection(&This->device->lock);
if (!This->device->client) {
LeaveCriticalSection(&This->device->lock);
WARN("no driver\n");
return DSERR_NODRIVER;
}
if(lpdwCapturePosition)
*lpdwCapturePosition = This->device->write_pos_bytes;
if(lpdwReadPosition)
*lpdwReadPosition = This->device->write_pos_bytes;
LeaveCriticalSection(&This->device->lock);
TRACE("cappos=%d readpos=%d\n", (lpdwCapturePosition?*lpdwCapturePosition:-1), (lpdwReadPosition?*lpdwReadPosition:-1));
TRACE("returning DS_OK\n");
return DS_OK;
}
static HRESULT WINAPI
IDirectSoundCaptureBufferImpl_GetFormat(
LPDIRECTSOUNDCAPTUREBUFFER8 iface,
LPWAVEFORMATEX lpwfxFormat,
DWORD dwSizeAllocated,
LPDWORD lpdwSizeWritten )
{
IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
HRESULT hres = DS_OK;
TRACE( "(%p,%p,0x%08x,%p)\n", This, lpwfxFormat, dwSizeAllocated,
lpdwSizeWritten );
if (This->device == NULL) {
WARN("invalid parameter: This->device == NULL\n");
return DSERR_INVALIDPARAM;
}
if (dwSizeAllocated > (sizeof(WAVEFORMATEX) + This->device->pwfx->cbSize))
dwSizeAllocated = sizeof(WAVEFORMATEX) + This->device->pwfx->cbSize;
if (lpwfxFormat) { /* NULL is valid (just want size) */
CopyMemory(lpwfxFormat, This->device->pwfx, dwSizeAllocated);
if (lpdwSizeWritten)
*lpdwSizeWritten = dwSizeAllocated;
} else {
if (lpdwSizeWritten)
*lpdwSizeWritten = sizeof(WAVEFORMATEX) + This->device->pwfx->cbSize;
else {
TRACE("invalid parameter: lpdwSizeWritten = NULL\n");
hres = DSERR_INVALIDPARAM;
}
}
TRACE("returning %08x\n", hres);
return hres;
}
static HRESULT WINAPI
IDirectSoundCaptureBufferImpl_GetStatus(
LPDIRECTSOUNDCAPTUREBUFFER8 iface,
LPDWORD lpdwStatus )
{
IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
TRACE( "(%p, %p), thread is %04x\n", This, lpdwStatus, GetCurrentThreadId() );
if (This->device == NULL) {
WARN("invalid parameter: This->device == NULL\n");
return DSERR_INVALIDPARAM;
}
if (lpdwStatus == NULL) {
WARN("invalid parameter: lpdwStatus == NULL\n");
return DSERR_INVALIDPARAM;
}
*lpdwStatus = 0;
EnterCriticalSection(&(This->device->lock));
TRACE("old This->device->state=%s, old lpdwStatus=%08x\n",
captureStateString[This->device->state],*lpdwStatus);
if ((This->device->state == STATE_STARTING) ||
(This->device->state == STATE_CAPTURING)) {
*lpdwStatus |= DSCBSTATUS_CAPTURING;
if (This->flags & DSCBSTART_LOOPING)
*lpdwStatus |= DSCBSTATUS_LOOPING;
}
TRACE("new This->device->state=%s, new lpdwStatus=%08x\n",
captureStateString[This->device->state],*lpdwStatus);
LeaveCriticalSection(&(This->device->lock));
TRACE("status=%x\n", *lpdwStatus);
TRACE("returning DS_OK\n");
return DS_OK;
}
static HRESULT WINAPI
IDirectSoundCaptureBufferImpl_Initialize(
LPDIRECTSOUNDCAPTUREBUFFER8 iface,
LPDIRECTSOUNDCAPTURE lpDSC,
LPCDSCBUFFERDESC lpcDSCBDesc )
{
IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
FIXME( "(%p,%p,%p): stub\n", This, lpDSC, lpcDSCBDesc );
return DS_OK;
}
static HRESULT WINAPI
IDirectSoundCaptureBufferImpl_Lock(
LPDIRECTSOUNDCAPTUREBUFFER8 iface,
DWORD dwReadCusor,
DWORD dwReadBytes,
LPVOID* lplpvAudioPtr1,
LPDWORD lpdwAudioBytes1,
LPVOID* lplpvAudioPtr2,
LPDWORD lpdwAudioBytes2,
DWORD dwFlags )
{
HRESULT hres = DS_OK;
IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
TRACE( "(%p,%08u,%08u,%p,%p,%p,%p,0x%08x) at %d\n", This, dwReadCusor,
dwReadBytes, lplpvAudioPtr1, lpdwAudioBytes1, lplpvAudioPtr2,
lpdwAudioBytes2, dwFlags, GetTickCount() );
if (This->device == NULL) {
WARN("invalid parameter: This->device == NULL\n");
return DSERR_INVALIDPARAM;
}
if (lplpvAudioPtr1 == NULL) {
WARN("invalid parameter: lplpvAudioPtr1 == NULL\n");
return DSERR_INVALIDPARAM;
}
if (lpdwAudioBytes1 == NULL) {
WARN("invalid parameter: lpdwAudioBytes1 == NULL\n");
return DSERR_INVALIDPARAM;
}
EnterCriticalSection(&(This->device->lock));
if (This->device->client) {
*lplpvAudioPtr1 = This->device->buffer + dwReadCusor;
if ( (dwReadCusor + dwReadBytes) > This->device->buflen) {
*lpdwAudioBytes1 = This->device->buflen - dwReadCusor;
if (lplpvAudioPtr2)
*lplpvAudioPtr2 = This->device->buffer;
if (lpdwAudioBytes2)
*lpdwAudioBytes2 = dwReadBytes - *lpdwAudioBytes1;
} else {
*lpdwAudioBytes1 = dwReadBytes;
if (lplpvAudioPtr2)
*lplpvAudioPtr2 = 0;
if (lpdwAudioBytes2)
*lpdwAudioBytes2 = 0;
}
} else {
TRACE("invalid call\n");
hres = DSERR_INVALIDCALL; /* DSERR_NODRIVER ? */
}
LeaveCriticalSection(&(This->device->lock));
TRACE("returning %08x\n", hres);
return hres;
}
static HRESULT WINAPI
IDirectSoundCaptureBufferImpl_Start(
LPDIRECTSOUNDCAPTUREBUFFER8 iface,
DWORD dwFlags )
{
HRESULT hres;
IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
TRACE( "(%p,0x%08x)\n", This, dwFlags );
if (This->device == NULL) {
WARN("invalid parameter: This->device == NULL\n");
return DSERR_INVALIDPARAM;
}
if ( !This->device->client ) {
WARN("no driver\n");
return DSERR_NODRIVER;
}
EnterCriticalSection(&(This->device->lock));
This->flags = dwFlags;
TRACE("old This->device->state=%s\n",captureStateString[This->device->state]);
if (This->device->state == STATE_STOPPED)
This->device->state = STATE_STARTING;
else if (This->device->state == STATE_STOPPING)
This->device->state = STATE_CAPTURING;
TRACE("new This->device->state=%s\n",captureStateString[This->device->state]);
if (This->device->buffer)
FillMemory(This->device->buffer, This->device->buflen, (This->device->pwfx->wBitsPerSample == 8) ? 128 : 0);
hres = IAudioClient_Start(This->device->client);
if(FAILED(hres)){
WARN("Start failed: %08x\n", hres);
LeaveCriticalSection(&This->device->lock);
return hres;
}
LeaveCriticalSection(&This->device->lock);
TRACE("returning DS_OK\n");
return DS_OK;
}
static HRESULT WINAPI
IDirectSoundCaptureBufferImpl_Stop( LPDIRECTSOUNDCAPTUREBUFFER8 iface )
{
HRESULT hres;
IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
TRACE( "(%p)\n", This );
if (This->device == NULL) {
WARN("invalid parameter: This->device == NULL\n");
return DSERR_INVALIDPARAM;
}
EnterCriticalSection(&(This->device->lock));
TRACE("old This->device->state=%s\n",captureStateString[This->device->state]);
if (This->device->state == STATE_CAPTURING)
This->device->state = STATE_STOPPING;
else if (This->device->state == STATE_STARTING)
This->device->state = STATE_STOPPED;
TRACE("new This->device->state=%s\n",captureStateString[This->device->state]);
if(This->device->client){
hres = IAudioClient_Stop(This->device->client);
if(FAILED(hres)){
LeaveCriticalSection(&This->device->lock);
return hres;
}
}
LeaveCriticalSection(&(This->device->lock));
TRACE("returning DS_OK\n");
return DS_OK;
}
static HRESULT WINAPI
IDirectSoundCaptureBufferImpl_Unlock(
LPDIRECTSOUNDCAPTUREBUFFER8 iface,
LPVOID lpvAudioPtr1,
DWORD dwAudioBytes1,
LPVOID lpvAudioPtr2,
DWORD dwAudioBytes2 )
{
HRESULT hres = DS_OK;
IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
TRACE( "(%p,%p,%08u,%p,%08u)\n", This, lpvAudioPtr1, dwAudioBytes1,
lpvAudioPtr2, dwAudioBytes2 );
if (lpvAudioPtr1 == NULL) {
WARN("invalid parameter: lpvAudioPtr1 == NULL\n");
return DSERR_INVALIDPARAM;
}
if (!This->device->client) {
WARN("invalid call\n");
hres = DSERR_INVALIDCALL;
}
TRACE("returning %08x\n", hres);
return hres;
}
static HRESULT WINAPI
IDirectSoundCaptureBufferImpl_GetObjectInPath(
LPDIRECTSOUNDCAPTUREBUFFER8 iface,
REFGUID rguidObject,
DWORD dwIndex,
REFGUID rguidInterface,
LPVOID* ppObject )
{
IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
FIXME( "(%p,%s,%u,%s,%p): stub\n", This, debugstr_guid(rguidObject),
dwIndex, debugstr_guid(rguidInterface), ppObject );
return DS_OK;
}
static HRESULT WINAPI
IDirectSoundCaptureBufferImpl_GetFXStatus(
LPDIRECTSOUNDCAPTUREBUFFER8 iface,
DWORD dwFXCount,
LPDWORD pdwFXStatus )
{
IDirectSoundCaptureBufferImpl *This = (IDirectSoundCaptureBufferImpl *)iface;
FIXME( "(%p,%u,%p): stub\n", This, dwFXCount, pdwFXStatus );
return DS_OK;
}
static const IDirectSoundCaptureBuffer8Vtbl dscbvt =
{
/* IUnknown methods */
IDirectSoundCaptureBufferImpl_QueryInterface,
IDirectSoundCaptureBufferImpl_AddRef,
IDirectSoundCaptureBufferImpl_Release,
/* IDirectSoundCaptureBuffer methods */
IDirectSoundCaptureBufferImpl_GetCaps,
IDirectSoundCaptureBufferImpl_GetCurrentPosition,
IDirectSoundCaptureBufferImpl_GetFormat,
IDirectSoundCaptureBufferImpl_GetStatus,
IDirectSoundCaptureBufferImpl_Initialize,
IDirectSoundCaptureBufferImpl_Lock,
IDirectSoundCaptureBufferImpl_Start,
IDirectSoundCaptureBufferImpl_Stop,
IDirectSoundCaptureBufferImpl_Unlock,
/* IDirectSoundCaptureBuffer methods */
IDirectSoundCaptureBufferImpl_GetObjectInPath,
IDirectSoundCaptureBufferImpl_GetFXStatus
};
static void capture_CheckNotify(IDirectSoundCaptureBufferImpl *This, DWORD from, DWORD len)
{
int i;
for (i = 0; i < This->nrofnotifies; ++i) {
LPDSBPOSITIONNOTIFY event = This->notifies + i;
DWORD offset = event->dwOffset;
TRACE("checking %d, position %d, event = %p\n", i, offset, event->hEventNotify);
if (offset == DSBPN_OFFSETSTOP) {
if (!from && !len) {
SetEvent(event->hEventNotify);
TRACE("signalled event %p (%d)\n", event->hEventNotify, i);
return;
}
else return;
}
if (offset >= from && offset < (from + len))
{
TRACE("signalled event %p (%d)\n", event->hEventNotify, i);
SetEvent(event->hEventNotify);
}
}
}
static HRESULT IDirectSoundCaptureBufferImpl_Create(
DirectSoundCaptureDevice *device,
IDirectSoundCaptureBufferImpl ** ppobj,
LPCDSCBUFFERDESC lpcDSCBufferDesc)
{
LPWAVEFORMATEX wfex;
IDirectSoundCaptureBufferImpl *This;
TRACE( "(%p,%p,%p)\n", device, ppobj, lpcDSCBufferDesc);
if (ppobj == NULL) {
WARN("invalid parameter: ppobj == NULL\n");
return DSERR_INVALIDPARAM;
}
*ppobj = NULL;
if (!device) {
WARN("not initialized\n");
return DSERR_UNINITIALIZED;
}
if (lpcDSCBufferDesc == NULL) {
WARN("invalid parameter: lpcDSCBufferDesc == NULL\n");
return DSERR_INVALIDPARAM;
}
if ( ((lpcDSCBufferDesc->dwSize != sizeof(DSCBUFFERDESC)) &&
(lpcDSCBufferDesc->dwSize != sizeof(DSCBUFFERDESC1))) ||
(lpcDSCBufferDesc->dwBufferBytes == 0) ||
(lpcDSCBufferDesc->lpwfxFormat == NULL) ) { /* FIXME: DSERR_BADFORMAT ? */
WARN("invalid lpcDSCBufferDesc\n");
return DSERR_INVALIDPARAM;
}
wfex = lpcDSCBufferDesc->lpwfxFormat;
TRACE("(formattag=0x%04x,chans=%d,samplerate=%d,"
"bytespersec=%d,blockalign=%d,bitspersamp=%d,cbSize=%d)\n",
wfex->wFormatTag, wfex->nChannels, wfex->nSamplesPerSec,
wfex->nAvgBytesPerSec, wfex->nBlockAlign,
wfex->wBitsPerSample, wfex->cbSize);
device->pwfx = DSOUND_CopyFormat(wfex);
if ( device->pwfx == NULL )
return DSERR_OUTOFMEMORY;
This = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,
sizeof(IDirectSoundCaptureBufferImpl));
if ( This == NULL ) {
WARN("out of memory\n");
return DSERR_OUTOFMEMORY;
} else {
HRESULT err = DS_OK;
LPBYTE newbuf;
DWORD buflen;
This->ref = 1;
This->device = device;
This->device->capture_buffer = This;
This->notify = NULL;
This->nrofnotifies = 0;
This->pdscbd = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,
lpcDSCBufferDesc->dwSize);
if (This->pdscbd)
CopyMemory(This->pdscbd, lpcDSCBufferDesc, lpcDSCBufferDesc->dwSize);
else {
WARN("no memory\n");
This->device->capture_buffer = 0;
HeapFree( GetProcessHeap(), 0, This );
return DSERR_OUTOFMEMORY;
}
This->lpVtbl = &dscbvt;
err = IMMDevice_Activate(device->mmdevice, &IID_IAudioClient,
CLSCTX_INPROC_SERVER, NULL, (void**)&device->client);
if(FAILED(err)){
WARN("Activate failed: %08x\n", err);
HeapFree(GetProcessHeap(), 0, This->pdscbd);
This->device->capture_buffer = 0;
HeapFree( GetProcessHeap(), 0, This );
return err;
}
err = IAudioClient_Initialize(device->client,
AUDCLNT_SHAREMODE_SHARED, AUDCLNT_STREAMFLAGS_NOPERSIST,
200 * 100000, 50000, device->pwfx, NULL);
if(FAILED(err)){
WARN("Initialize failed: %08x\n", err);
IAudioClient_Release(device->client);
device->client = NULL;
HeapFree(GetProcessHeap(), 0, This->pdscbd);
This->device->capture_buffer = 0;
HeapFree( GetProcessHeap(), 0, This );
return err;
}
err = IAudioClient_GetService(device->client, &IID_IAudioCaptureClient,
(void**)&device->capture);
if(FAILED(err)){
WARN("GetService failed: %08x\n", err);
IAudioClient_Release(device->client);
device->client = NULL;
HeapFree(GetProcessHeap(), 0, This->pdscbd);
This->device->capture_buffer = 0;
HeapFree( GetProcessHeap(), 0, This );
return err;
}
buflen = lpcDSCBufferDesc->dwBufferBytes;
TRACE("desired buflen=%d, old buffer=%p\n", buflen, device->buffer);
if (device->buffer)
newbuf = HeapReAlloc(GetProcessHeap(),0,device->buffer,buflen);
else
newbuf = HeapAlloc(GetProcessHeap(),0,buflen);
if (newbuf == NULL) {
IAudioClient_Release(device->client);
device->client = NULL;
IAudioCaptureClient_Release(device->capture);
device->capture = NULL;
HeapFree(GetProcessHeap(), 0, This->pdscbd);
This->device->capture_buffer = 0;
HeapFree( GetProcessHeap(), 0, This );
return DSERR_OUTOFMEMORY;
}
device->buffer = newbuf;
device->buflen = buflen;
}
*ppobj = This;
TRACE("returning DS_OK\n");
return DS_OK;
}
/*******************************************************************************
* DirectSoundCaptureDevice
*/
static HRESULT DirectSoundCaptureDevice_Create(
DirectSoundCaptureDevice ** ppDevice)
{
DirectSoundCaptureDevice * device;
TRACE("(%p)\n", ppDevice);
/* Allocate memory */
device = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DirectSoundCaptureDevice));
if (device == NULL) {
WARN("out of memory\n");
return DSERR_OUTOFMEMORY;
}
device->ref = 1;
device->state = STATE_STOPPED;
InitializeCriticalSection( &(device->lock) );
device->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": DirectSoundCaptureDevice.lock");
*ppDevice = device;
return DS_OK;
}
static ULONG DirectSoundCaptureDevice_Release(
DirectSoundCaptureDevice * device)
{
ULONG ref = InterlockedDecrement(&(device->ref));
TRACE("(%p) ref was %d\n", device, ref + 1);
if (!ref) {
TRACE("deleting object\n");
timeKillEvent(device->timerID);
timeEndPeriod(DS_TIME_RES);
EnterCriticalSection(&DSOUND_capturers_lock);
list_remove(&device->entry);
LeaveCriticalSection(&DSOUND_capturers_lock);
if (device->capture_buffer)
IDirectSoundCaptureBufferImpl_Release(
(LPDIRECTSOUNDCAPTUREBUFFER8) device->capture_buffer);
if(device->mmdevice)
IMMDevice_Release(device->mmdevice);
HeapFree(GetProcessHeap(), 0, device->pwfx);
device->lock.DebugInfo->Spare[0] = 0;
DeleteCriticalSection( &(device->lock) );
HeapFree(GetProcessHeap(), 0, device);
TRACE("(%p) released\n", device);
}
return ref;
}
static void CALLBACK DSOUND_capture_timer(UINT timerID, UINT msg, DWORD_PTR user,
DWORD_PTR dw1, DWORD_PTR dw2)
{
DirectSoundCaptureDevice *device = (DirectSoundCaptureDevice*)user;
UINT32 packet_frames, packet_bytes, avail_bytes;
DWORD flags;
BYTE *buf;
HRESULT hr;
if(!device->ref)
return;
EnterCriticalSection(&device->lock);
if(!device->capture_buffer || device->state == STATE_STOPPED){
LeaveCriticalSection(&device->lock);
return;
}
if(device->state == STATE_STOPPING){
device->state = STATE_STOPPED;
LeaveCriticalSection(&device->lock);
return;
}
if(device->state == STATE_STARTING)
device->state = STATE_CAPTURING;
hr = IAudioCaptureClient_GetBuffer(device->capture, &buf, &packet_frames,
&flags, NULL, NULL);
if(FAILED(hr)){
LeaveCriticalSection(&device->lock);
WARN("GetBuffer failed: %08x\n", hr);
return;
}
packet_bytes = packet_frames * device->pwfx->nBlockAlign;
avail_bytes = device->buflen - device->write_pos_bytes;
if(avail_bytes > packet_bytes)
avail_bytes = packet_bytes;
memcpy(device->buffer + device->write_pos_bytes, buf, avail_bytes);
capture_CheckNotify(device->capture_buffer, device->write_pos_bytes, avail_bytes);
packet_bytes -= avail_bytes;
if(packet_bytes > 0){
if(device->capture_buffer->flags & DSCBSTART_LOOPING){
memcpy(device->buffer, buf + avail_bytes, packet_bytes);
capture_CheckNotify(device->capture_buffer, 0, packet_bytes);
}else{
device->state = STATE_STOPPED;
capture_CheckNotify(device->capture_buffer, 0, 0);
}
}
device->write_pos_bytes += avail_bytes + packet_bytes;
device->write_pos_bytes %= device->buflen;
hr = IAudioCaptureClient_ReleaseBuffer(device->capture, packet_frames);
if(FAILED(hr)){
LeaveCriticalSection(&device->lock);
WARN("ReleaseBuffer failed: %08x\n", hr);
return;
}
LeaveCriticalSection(&device->lock);
}
static struct _TestFormat {
DWORD flag;
DWORD rate;
DWORD depth;
WORD channels;
} formats_to_test[] = {
{ WAVE_FORMAT_1M08, 11025, 8, 1 },
{ WAVE_FORMAT_1M16, 11025, 16, 1 },
{ WAVE_FORMAT_1S08, 11025, 8, 2 },
{ WAVE_FORMAT_1S16, 11025, 16, 2 },
{ WAVE_FORMAT_2M08, 22050, 8, 1 },
{ WAVE_FORMAT_2M16, 22050, 16, 1 },
{ WAVE_FORMAT_2S08, 22050, 8, 2 },
{ WAVE_FORMAT_2S16, 22050, 16, 2 },
{ WAVE_FORMAT_4M08, 44100, 8, 1 },
{ WAVE_FORMAT_4M16, 44100, 16, 1 },
{ WAVE_FORMAT_4S08, 44100, 8, 2 },
{ WAVE_FORMAT_4S16, 44100, 16, 2 },
{ WAVE_FORMAT_48M08, 48000, 8, 1 },
{ WAVE_FORMAT_48M16, 48000, 16, 1 },
{ WAVE_FORMAT_48S08, 48000, 8, 2 },
{ WAVE_FORMAT_48S16, 48000, 16, 2 },
{ WAVE_FORMAT_96M08, 96000, 8, 1 },
{ WAVE_FORMAT_96M16, 96000, 16, 1 },
{ WAVE_FORMAT_96S08, 96000, 8, 2 },
{ WAVE_FORMAT_96S16, 96000, 16, 2 },
{0}
};
static HRESULT DirectSoundCaptureDevice_Initialize(
DirectSoundCaptureDevice ** ppDevice,
LPCGUID lpcGUID)
{
HRESULT hr;
GUID devGUID;
IMMDevice *mmdevice;
struct _TestFormat *fmt;
DirectSoundCaptureDevice *device;
IAudioClient *client;
TRACE("(%p, %s)\n", ppDevice, debugstr_guid(lpcGUID));
/* Default device? */
if ( !lpcGUID || IsEqualGUID(lpcGUID, &GUID_NULL) )
lpcGUID = &DSDEVID_DefaultCapture;
if(IsEqualGUID(lpcGUID, &DSDEVID_DefaultPlayback) ||
IsEqualGUID(lpcGUID, &DSDEVID_DefaultVoicePlayback))
return DSERR_NODRIVER;
if (GetDeviceID(lpcGUID, &devGUID) != DS_OK) {
WARN("invalid parameter: lpcGUID\n");
return DSERR_INVALIDPARAM;
}
hr = get_mmdevice(eCapture, &devGUID, &mmdevice);
if(FAILED(hr))
return hr;
EnterCriticalSection(&DSOUND_capturers_lock);
LIST_FOR_EACH_ENTRY(device, &DSOUND_capturers, DirectSoundCaptureDevice, entry){
if(IsEqualGUID(&device->guid, &devGUID)){
IMMDevice_Release(mmdevice);
LeaveCriticalSection(&DSOUND_capturers_lock);
return DSERR_ALLOCATED;
}
}
hr = DirectSoundCaptureDevice_Create(&device);
if (hr != DS_OK) {
WARN("DirectSoundCaptureDevice_Create failed\n");
LeaveCriticalSection(&DSOUND_capturers_lock);
return hr;
}
device->guid = devGUID;
device->mmdevice = mmdevice;
device->drvcaps.dwFlags = 0;
device->drvcaps.dwFormats = 0;
device->drvcaps.dwChannels = 0;
hr = IMMDevice_Activate(mmdevice, &IID_IAudioClient,
CLSCTX_INPROC_SERVER, NULL, (void**)&client);
if(FAILED(hr)){
DeleteCriticalSection(&device->lock);
HeapFree(GetProcessHeap(), 0, device);
LeaveCriticalSection(&DSOUND_capturers_lock);
return DSERR_NODRIVER;
}
for(fmt = formats_to_test; fmt->flag; ++fmt){
if(DSOUND_check_supported(client, fmt->rate, fmt->depth, fmt->channels)){
device->drvcaps.dwFormats |= fmt->flag;
if(fmt->channels > device->drvcaps.dwChannels)
device->drvcaps.dwChannels = fmt->channels;
}
}
IAudioClient_Release(client);
device->timerID = DSOUND_create_timer(DSOUND_capture_timer, (DWORD_PTR)device);
list_add_tail(&DSOUND_capturers, &device->entry);
*ppDevice = device;
LeaveCriticalSection(&DSOUND_capturers_lock);
return S_OK;
}
/*****************************************************************************
* IDirectSoundCapture implementation structure
*/
struct IDirectSoundCaptureImpl
{
IDirectSoundCapture IDirectSoundCapture_iface;
LONG ref;
DirectSoundCaptureDevice *device;
};
static inline struct IDirectSoundCaptureImpl *impl_from_IDirectSoundCapture(IDirectSoundCapture *iface)
{
return CONTAINING_RECORD(iface, struct IDirectSoundCaptureImpl, IDirectSoundCapture_iface);
}
/***************************************************************************
* IDirectSoundCaptureImpl
*/
static HRESULT WINAPI IDirectSoundCaptureImpl_QueryInterface(IDirectSoundCapture *iface,
REFIID riid, void **ppobj)
{
TRACE( "(%p,%s,%p)\n", iface, debugstr_guid(riid), ppobj );
if (ppobj == NULL) {
WARN("invalid parameter\n");
return E_INVALIDARG;
}
*ppobj = NULL;
if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IDirectSoundCapture)) {
IDirectSoundCapture_AddRef(iface);
*ppobj = iface;
return S_OK;
}
WARN("unsupported riid: %s\n", debugstr_guid(riid));
return E_NOINTERFACE;
}
static ULONG WINAPI IDirectSoundCaptureImpl_AddRef(IDirectSoundCapture *iface)
{
IDirectSoundCaptureImpl *This = impl_from_IDirectSoundCapture(iface);
ULONG ref = InterlockedIncrement(&(This->ref));
TRACE("(%p) ref was %d\n", This, ref - 1);
return ref;
}
static ULONG WINAPI IDirectSoundCaptureImpl_Release(IDirectSoundCapture *iface)
{
IDirectSoundCaptureImpl *This = impl_from_IDirectSoundCapture(iface);
ULONG ref = InterlockedDecrement(&(This->ref));
TRACE("(%p) ref was %d\n", This, ref + 1);
if (!ref) {
if (This->device)
DirectSoundCaptureDevice_Release(This->device);
HeapFree( GetProcessHeap(), 0, This );
TRACE("(%p) released\n", This);
}
return ref;
}
static HRESULT WINAPI IDirectSoundCaptureImpl_CreateCaptureBuffer(IDirectSoundCapture *iface,
LPCDSCBUFFERDESC lpcDSCBufferDesc, IDirectSoundCaptureBuffer **lplpDSCaptureBuffer,
IUnknown *pUnk)
{
IDirectSoundCaptureImpl *This = impl_from_IDirectSoundCapture(iface);
HRESULT hr;
TRACE( "(%p,%p,%p,%p)\n",iface,lpcDSCBufferDesc,lplpDSCaptureBuffer,pUnk);
if (lpcDSCBufferDesc == NULL) {
WARN("invalid parameter: lpcDSCBufferDesc == NULL)\n");
return DSERR_INVALIDPARAM;
}
if (lplpDSCaptureBuffer == NULL) {
WARN("invalid parameter: lplpDSCaptureBuffer == NULL\n");
return DSERR_INVALIDPARAM;
}
if (pUnk != NULL) {
WARN("invalid parameter: pUnk != NULL\n");
return DSERR_INVALIDPARAM;
}
/* FIXME: We can only have one buffer so what do we do here? */
if (This->device->capture_buffer) {
WARN("invalid parameter: already has buffer\n");
return DSERR_INVALIDPARAM; /* DSERR_GENERIC ? */
}
hr = IDirectSoundCaptureBufferImpl_Create(This->device,
(IDirectSoundCaptureBufferImpl **)lplpDSCaptureBuffer, lpcDSCBufferDesc);
if (hr != DS_OK)
WARN("IDirectSoundCaptureBufferImpl_Create failed\n");
return hr;
}
static HRESULT WINAPI IDirectSoundCaptureImpl_GetCaps(IDirectSoundCapture *iface,
LPDSCCAPS lpDSCCaps)
{
IDirectSoundCaptureImpl *This = impl_from_IDirectSoundCapture(iface);
TRACE("(%p,%p)\n",This,lpDSCCaps);
if (This->device == NULL) {
WARN("not initialized\n");
return DSERR_UNINITIALIZED;
}
if (lpDSCCaps== NULL) {
WARN("invalid parameter: lpDSCCaps== NULL\n");
return DSERR_INVALIDPARAM;
}
if (lpDSCCaps->dwSize < sizeof(*lpDSCCaps)) {
WARN("invalid parameter: lpDSCCaps->dwSize = %d\n", lpDSCCaps->dwSize);
return DSERR_INVALIDPARAM;
}
lpDSCCaps->dwFlags = This->device->drvcaps.dwFlags;
lpDSCCaps->dwFormats = This->device->drvcaps.dwFormats;
lpDSCCaps->dwChannels = This->device->drvcaps.dwChannels;
TRACE("(flags=0x%08x,format=0x%08x,channels=%d)\n",lpDSCCaps->dwFlags,
lpDSCCaps->dwFormats, lpDSCCaps->dwChannels);
return DS_OK;
}
static HRESULT WINAPI IDirectSoundCaptureImpl_Initialize(IDirectSoundCapture *iface,
LPCGUID lpcGUID)
{
IDirectSoundCaptureImpl *This = impl_from_IDirectSoundCapture(iface);
TRACE("(%p,%s)\n", This, debugstr_guid(lpcGUID));
if (This->device != NULL) {
WARN("already initialized\n");
return DSERR_ALREADYINITIALIZED;
}
return DirectSoundCaptureDevice_Initialize(&This->device, lpcGUID);
}
static const IDirectSoundCaptureVtbl dscvt =
{
/* IUnknown methods */
IDirectSoundCaptureImpl_QueryInterface,
IDirectSoundCaptureImpl_AddRef,
IDirectSoundCaptureImpl_Release,
/* IDirectSoundCapture methods */
IDirectSoundCaptureImpl_CreateCaptureBuffer,
IDirectSoundCaptureImpl_GetCaps,
IDirectSoundCaptureImpl_Initialize
};
static HRESULT IDirectSoundCaptureImpl_Create(
LPDIRECTSOUNDCAPTURE8 * ppDSC)
{
IDirectSoundCaptureImpl *pDSC;
TRACE("(%p)\n", ppDSC);
/* Allocate memory */
pDSC = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(IDirectSoundCaptureImpl));
if (pDSC == NULL) {
WARN("out of memory\n");
*ppDSC = NULL;
return DSERR_OUTOFMEMORY;
}
pDSC->IDirectSoundCapture_iface.lpVtbl = &dscvt;
pDSC->ref = 0;
pDSC->device = NULL;
*ppDSC = (LPDIRECTSOUNDCAPTURE8)pDSC;
return DS_OK;
}
HRESULT DSOUND_CaptureCreate(REFIID riid, IDirectSoundCapture **ppDSC)
{
IDirectSoundCapture *pDSC;
HRESULT hr;
TRACE("(%s, %p)\n", debugstr_guid(riid), ppDSC);
if (!IsEqualIID(riid, &IID_IUnknown) &&
!IsEqualIID(riid, &IID_IDirectSoundCapture)) {
*ppDSC = 0;
return E_NOINTERFACE;
}
/* Get dsound configuration */
setup_dsound_options();
hr = IDirectSoundCaptureImpl_Create(&pDSC);
if (hr == DS_OK) {
IDirectSoundCapture_AddRef(pDSC);
*ppDSC = pDSC;
} else {
WARN("IDirectSoundCaptureImpl_Create failed\n");
*ppDSC = 0;
}
return hr;
}
HRESULT DSOUND_CaptureCreate8(
REFIID riid,
LPDIRECTSOUNDCAPTURE8 *ppDSC8)
{
LPDIRECTSOUNDCAPTURE8 pDSC8;
HRESULT hr;
TRACE("(%s, %p)\n", debugstr_guid(riid), ppDSC8);
if (!IsEqualIID(riid, &IID_IUnknown) &&
!IsEqualIID(riid, &IID_IDirectSoundCapture8)) {
*ppDSC8 = 0;
return E_NOINTERFACE;
}
/* Get dsound configuration */
setup_dsound_options();
hr = IDirectSoundCaptureImpl_Create(&pDSC8);
if (hr == DS_OK) {
IDirectSoundCapture_AddRef(pDSC8);
*ppDSC8 = pDSC8;
} else {
WARN("IDirectSoundCaptureImpl_Create failed\n");
*ppDSC8 = 0;
}
return hr;
}
/***************************************************************************
* DirectSoundCaptureCreate [DSOUND.6]
*
* Create and initialize a DirectSoundCapture interface.
*
* PARAMS
* lpcGUID [I] Address of the GUID that identifies the sound capture device.
* lplpDSC [O] Address of a variable to receive the interface pointer.
* pUnkOuter [I] Must be NULL.
*
* RETURNS
* Success: DS_OK
* Failure: DSERR_NOAGGREGATION, DSERR_ALLOCATED, DSERR_INVALIDPARAM,
* DSERR_OUTOFMEMORY
*
* NOTES
* lpcGUID must be one of the values returned from DirectSoundCaptureEnumerate
* or NULL for the default device or DSDEVID_DefaultCapture or
* DSDEVID_DefaultVoiceCapture.
*
* DSERR_ALLOCATED is returned for sound devices that do not support full duplex.
*/
HRESULT WINAPI DirectSoundCaptureCreate(LPCGUID lpcGUID, IDirectSoundCapture **ppDSC,
IUnknown *pUnkOuter)
{
HRESULT hr;
IDirectSoundCapture *pDSC;
TRACE("(%s,%p,%p)\n", debugstr_guid(lpcGUID), ppDSC, pUnkOuter);
if (ppDSC == NULL) {
WARN("invalid parameter: ppDSC == NULL\n");
return DSERR_INVALIDPARAM;
}
if (pUnkOuter) {
WARN("invalid parameter: pUnkOuter != NULL\n");
*ppDSC = NULL;
return DSERR_NOAGGREGATION;
}
hr = DSOUND_CaptureCreate(&IID_IDirectSoundCapture, &pDSC);
if (hr == DS_OK) {
hr = IDirectSoundCapture_Initialize(pDSC, lpcGUID);
if (hr != DS_OK) {
IDirectSoundCapture_Release(pDSC);
pDSC = 0;
}
}
*ppDSC = pDSC;
return hr;
}
/***************************************************************************
* DirectSoundCaptureCreate8 [DSOUND.12]
*
* Create and initialize a DirectSoundCapture interface.
*
* PARAMS
* lpcGUID [I] Address of the GUID that identifies the sound capture device.
* lplpDSC [O] Address of a variable to receive the interface pointer.
* pUnkOuter [I] Must be NULL.
*
* RETURNS
* Success: DS_OK
* Failure: DSERR_NOAGGREGATION, DSERR_ALLOCATED, DSERR_INVALIDPARAM,
* DSERR_OUTOFMEMORY
*
* NOTES
* lpcGUID must be one of the values returned from DirectSoundCaptureEnumerate
* or NULL for the default device or DSDEVID_DefaultCapture or
* DSDEVID_DefaultVoiceCapture.
*
* DSERR_ALLOCATED is returned for sound devices that do not support full duplex.
*/
HRESULT WINAPI DirectSoundCaptureCreate8(
LPCGUID lpcGUID,
LPDIRECTSOUNDCAPTURE8 *ppDSC8,
LPUNKNOWN pUnkOuter)
{
HRESULT hr;
LPDIRECTSOUNDCAPTURE8 pDSC8;
TRACE("(%s,%p,%p)\n", debugstr_guid(lpcGUID), ppDSC8, pUnkOuter);
if (ppDSC8 == NULL) {
WARN("invalid parameter: ppDSC8 == NULL\n");
return DSERR_INVALIDPARAM;
}
if (pUnkOuter) {
WARN("invalid parameter: pUnkOuter != NULL\n");
*ppDSC8 = NULL;
return DSERR_NOAGGREGATION;
}
hr = DSOUND_CaptureCreate8(&IID_IDirectSoundCapture8, &pDSC8);
if (hr == DS_OK) {
hr = IDirectSoundCapture_Initialize(pDSC8, lpcGUID);
if (hr != DS_OK) {
IDirectSoundCapture_Release(pDSC8);
pDSC8 = 0;
}
}
*ppDSC8 = pDSC8;
return hr;
}
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