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/* DirectSound
*
* Copyright 1998 Marcus Meissner
* Copyright 1998 Rob Riggs
* Copyright 2000-2002 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
*/
#include <stdarg.h>
#define COBJMACROS
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "mmsystem.h"
#include "vfwmsgs.h"
#include "wine/debug.h"
#include "dsound.h"
#include "dsound_private.h"
#include "dsconf.h"
WINE_DEFAULT_DEBUG_CHANNEL(dsound);
/*******************************************************************************
* IDirectSoundNotify
*/
static inline struct IDirectSoundBufferImpl *impl_from_IDirectSoundNotify(IDirectSoundNotify *iface)
{
return CONTAINING_RECORD(iface, struct IDirectSoundBufferImpl, IDirectSoundNotify_iface);
}
static HRESULT WINAPI IDirectSoundNotifyImpl_QueryInterface(IDirectSoundNotify *iface, REFIID riid,
void **ppobj)
{
IDirectSoundBufferImpl *This = impl_from_IDirectSoundNotify(iface);
TRACE("(%p,%s,%p)\n", This, debugstr_guid(riid), ppobj);
return IDirectSoundBuffer8_QueryInterface(&This->IDirectSoundBuffer8_iface, riid, ppobj);
}
static ULONG WINAPI IDirectSoundNotifyImpl_AddRef(IDirectSoundNotify *iface)
{
IDirectSoundBufferImpl *This = impl_from_IDirectSoundNotify(iface);
ULONG ref = InterlockedIncrement(&This->refn);
TRACE("(%p) ref %d\n", This, ref);
if(ref == 1)
InterlockedIncrement(&This->numIfaces);
return ref;
}
static ULONG WINAPI IDirectSoundNotifyImpl_Release(IDirectSoundNotify *iface)
{
IDirectSoundBufferImpl *This = impl_from_IDirectSoundNotify(iface);
ULONG ref = InterlockedDecrement(&This->refn);
TRACE("(%p) ref %d\n", This, ref);
if (!ref && !InterlockedDecrement(&This->numIfaces))
secondarybuffer_destroy(This);
return ref;
}
static int __cdecl notify_compar(const void *l, const void *r)
{
const DSBPOSITIONNOTIFY *left = l;
const DSBPOSITIONNOTIFY *right = r;
/* place DSBPN_OFFSETSTOP at the start of the sorted array */
if(left->dwOffset == DSBPN_OFFSETSTOP){
if(right->dwOffset != DSBPN_OFFSETSTOP)
return -1;
}else if(right->dwOffset == DSBPN_OFFSETSTOP)
return 1;
if(left->dwOffset == right->dwOffset)
return 0;
if(left->dwOffset < right->dwOffset)
return -1;
return 1;
}
static HRESULT WINAPI IDirectSoundNotifyImpl_SetNotificationPositions(IDirectSoundNotify *iface,
DWORD howmuch, const DSBPOSITIONNOTIFY *notify)
{
IDirectSoundBufferImpl *This = impl_from_IDirectSoundNotify(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. */
HeapFree(GetProcessHeap(), 0, This->notifies);
This->notifies = HeapAlloc(GetProcessHeap(), 0,
howmuch * sizeof(DSBPOSITIONNOTIFY));
if (This->notifies == NULL) {
WARN("out of memory\n");
return DSERR_OUTOFMEMORY;
}
CopyMemory(This->notifies, notify, howmuch * sizeof(DSBPOSITIONNOTIFY));
This->nrofnotifies = howmuch;
qsort(This->notifies, howmuch, sizeof(DSBPOSITIONNOTIFY), notify_compar);
} else {
HeapFree(GetProcessHeap(), 0, This->notifies);
This->notifies = NULL;
This->nrofnotifies = 0;
}
return S_OK;
}
static const IDirectSoundNotifyVtbl dsnvt =
{
IDirectSoundNotifyImpl_QueryInterface,
IDirectSoundNotifyImpl_AddRef,
IDirectSoundNotifyImpl_Release,
IDirectSoundNotifyImpl_SetNotificationPositions,
};
/*******************************************************************************
* IDirectSoundBuffer
*/
static inline IDirectSoundBufferImpl *impl_from_IDirectSoundBuffer8(IDirectSoundBuffer8 *iface)
{
return CONTAINING_RECORD(iface, IDirectSoundBufferImpl, IDirectSoundBuffer8_iface);
}
static inline BOOL is_primary_buffer(IDirectSoundBufferImpl *This)
{
return (This->dsbd.dwFlags & DSBCAPS_PRIMARYBUFFER) != 0;
}
static HRESULT WINAPI IDirectSoundBufferImpl_SetFormat(IDirectSoundBuffer8 *iface,
LPCWAVEFORMATEX wfex)
{
IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer8(iface);
TRACE("(%p,%p)\n", iface, wfex);
if (is_primary_buffer(This))
return primarybuffer_SetFormat(This->device, wfex);
else {
WARN("not available for secondary buffers.\n");
return DSERR_INVALIDCALL;
}
}
static HRESULT WINAPI IDirectSoundBufferImpl_SetVolume(IDirectSoundBuffer8 *iface, LONG vol)
{
IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer8(iface);
LONG oldVol;
HRESULT hres = DS_OK;
TRACE("(%p,%d)\n",This,vol);
if (!(This->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
WARN("control unavailable: This->dsbd.dwFlags = 0x%08x\n", This->dsbd.dwFlags);
return DSERR_CONTROLUNAVAIL;
}
if ((vol > DSBVOLUME_MAX) || (vol < DSBVOLUME_MIN)) {
WARN("invalid parameter: vol = %d\n", vol);
return DSERR_INVALIDPARAM;
}
AcquireSRWLockExclusive(&This->lock);
if (This->dsbd.dwFlags & DSBCAPS_CTRL3D) {
oldVol = This->ds3db_lVolume;
This->ds3db_lVolume = vol;
if (vol != oldVol)
/* recalc 3d volume, which in turn recalcs the pans */
DSOUND_Calc3DBuffer(This);
} else {
oldVol = This->volpan.lVolume;
This->volpan.lVolume = vol;
if (vol != oldVol)
DSOUND_RecalcVolPan(&(This->volpan));
}
ReleaseSRWLockExclusive(&This->lock);
return hres;
}
static HRESULT WINAPI IDirectSoundBufferImpl_GetVolume(IDirectSoundBuffer8 *iface, LONG *vol)
{
IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer8(iface);
TRACE("(%p,%p)\n",This,vol);
if (!(This->dsbd.dwFlags & DSBCAPS_CTRLVOLUME)) {
WARN("control unavailable\n");
return DSERR_CONTROLUNAVAIL;
}
if (vol == NULL) {
WARN("invalid parameter: vol == NULL\n");
return DSERR_INVALIDPARAM;
}
*vol = This->volpan.lVolume;
return DS_OK;
}
static HRESULT WINAPI IDirectSoundBufferImpl_SetFrequency(IDirectSoundBuffer8 *iface, DWORD freq)
{
IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer8(iface);
DWORD oldFreq;
TRACE("(%p,%d)\n",This,freq);
if (is_primary_buffer(This)) {
WARN("not available for primary buffers.\n");
return DSERR_CONTROLUNAVAIL;
}
if (!(This->dsbd.dwFlags & DSBCAPS_CTRLFREQUENCY)) {
WARN("control unavailable\n");
return DSERR_CONTROLUNAVAIL;
}
if (freq == DSBFREQUENCY_ORIGINAL)
freq = This->pwfx->nSamplesPerSec;
if ((freq < DSBFREQUENCY_MIN) || (freq > DSBFREQUENCY_MAX)) {
WARN("invalid parameter: freq = %d\n", freq);
return DSERR_INVALIDPARAM;
}
AcquireSRWLockExclusive(&This->lock);
oldFreq = This->freq;
This->freq = freq;
if (freq != oldFreq) {
This->freqAdjustNum = This->freq;
This->freqAdjustDen = This->device->pwfx->nSamplesPerSec;
This->nAvgBytesPerSec = freq * This->pwfx->nBlockAlign;
DSOUND_RecalcFormat(This);
}
ReleaseSRWLockExclusive(&This->lock);
return DS_OK;
}
static HRESULT WINAPI IDirectSoundBufferImpl_Play(IDirectSoundBuffer8 *iface, DWORD reserved1,
DWORD reserved2, DWORD flags)
{
IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer8(iface);
HRESULT hres = DS_OK;
int i;
TRACE("(%p,%08x,%08x,%08x)\n",This,reserved1,reserved2,flags);
AcquireSRWLockExclusive(&This->lock);
This->playflags = flags;
if (This->state == STATE_STOPPED) {
This->leadin = TRUE;
This->state = STATE_STARTING;
} else if (This->state == STATE_STOPPING)
This->state = STATE_PLAYING;
for (i = 0; i < This->num_filters; i++) {
IMediaObject_Discontinuity(This->filters[i].obj, 0);
}
ReleaseSRWLockExclusive(&This->lock);
return hres;
}
static HRESULT WINAPI IDirectSoundBufferImpl_Stop(IDirectSoundBuffer8 *iface)
{
IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer8(iface);
HRESULT hres = DS_OK;
TRACE("(%p)\n",This);
AcquireSRWLockExclusive(&This->lock);
if (This->state == STATE_PLAYING)
This->state = STATE_STOPPING;
else if (This->state == STATE_STARTING)
{
This->state = STATE_STOPPED;
DSOUND_CheckEvent(This, 0, 0);
}
ReleaseSRWLockExclusive(&This->lock);
return hres;
}
static ULONG WINAPI IDirectSoundBufferImpl_AddRef(IDirectSoundBuffer8 *iface)
{
IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer8(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) ref %d\n", This, ref);
if(ref == 1)
InterlockedIncrement(&This->numIfaces);
return ref;
}
static ULONG WINAPI IDirectSoundBufferImpl_Release(IDirectSoundBuffer8 *iface)
{
IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer8(iface);
ULONG ref;
if (is_primary_buffer(This)){
ref = capped_refcount_dec(&This->ref);
if(!ref)
capped_refcount_dec(&This->numIfaces);
TRACE("(%p) ref %d\n", This, ref);
return ref;
}
ref = InterlockedDecrement(&This->ref);
if (!ref && !InterlockedDecrement(&This->numIfaces))
secondarybuffer_destroy(This);
TRACE("(%p) ref %d\n", This, ref);
return ref;
}
static HRESULT WINAPI IDirectSoundBufferImpl_GetCurrentPosition(IDirectSoundBuffer8 *iface,
DWORD *playpos, DWORD *writepos)
{
IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer8(iface);
DWORD pos;
TRACE("(%p,%p,%p)\n",This,playpos,writepos);
AcquireSRWLockShared(&This->lock);
pos = This->sec_mixpos;
/* sanity */
if (pos >= This->buflen){
FIXME("Bad play position. playpos: %d, buflen: %d\n", pos, This->buflen);
pos %= This->buflen;
}
if (playpos)
*playpos = pos;
if (writepos)
*writepos = pos;
if (writepos && This->state != STATE_STOPPED) {
/* apply the documented 10ms lead to writepos */
*writepos += This->writelead;
*writepos %= This->buflen;
}
ReleaseSRWLockShared(&This->lock);
TRACE("playpos = %d, writepos = %d, buflen=%d (%p, time=%d)\n",
playpos?*playpos:-1, writepos?*writepos:-1, This->buflen, This, GetTickCount());
return DS_OK;
}
static HRESULT WINAPI IDirectSoundBufferImpl_GetStatus(IDirectSoundBuffer8 *iface, DWORD *status)
{
IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer8(iface);
TRACE("(%p,%p)\n",This,status);
if (status == NULL) {
WARN("invalid parameter: status = NULL\n");
return DSERR_INVALIDPARAM;
}
*status = 0;
AcquireSRWLockShared(&This->lock);
if ((This->state == STATE_STARTING) || (This->state == STATE_PLAYING)) {
*status |= DSBSTATUS_PLAYING;
if (This->playflags & DSBPLAY_LOOPING)
*status |= DSBSTATUS_LOOPING;
}
ReleaseSRWLockShared(&This->lock);
TRACE("status=%x\n", *status);
return DS_OK;
}
static HRESULT WINAPI IDirectSoundBufferImpl_GetFormat(IDirectSoundBuffer8 *iface,
LPWAVEFORMATEX lpwf, DWORD wfsize, DWORD *wfwritten)
{
IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer8(iface);
DWORD size;
TRACE("(%p,%p,%d,%p)\n",This,lpwf,wfsize,wfwritten);
size = sizeof(WAVEFORMATEX) + This->pwfx->cbSize;
if (lpwf) { /* NULL is valid */
if (wfsize >= size) {
CopyMemory(lpwf,This->pwfx,size);
if (wfwritten)
*wfwritten = size;
} else {
WARN("invalid parameter: wfsize too small\n");
CopyMemory(lpwf,This->pwfx,wfsize);
if (wfwritten)
*wfwritten = wfsize;
return DSERR_INVALIDPARAM;
}
} else {
if (wfwritten)
*wfwritten = sizeof(WAVEFORMATEX) + This->pwfx->cbSize;
else {
WARN("invalid parameter: wfwritten == NULL\n");
return DSERR_INVALIDPARAM;
}
}
return DS_OK;
}
static HRESULT WINAPI IDirectSoundBufferImpl_Lock(IDirectSoundBuffer8 *iface, DWORD writecursor,
DWORD writebytes, void **lplpaudioptr1, DWORD *audiobytes1, void **lplpaudioptr2,
DWORD *audiobytes2, DWORD flags)
{
IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer8(iface);
HRESULT hres = DS_OK;
TRACE("(%p,%d,%d,%p,%p,%p,%p,0x%08x) at %d\n", This, writecursor, writebytes, lplpaudioptr1,
audiobytes1, lplpaudioptr2, audiobytes2, flags, GetTickCount());
if (!audiobytes1)
return DSERR_INVALIDPARAM;
/* when this flag is set, writecursor is meaningless and must be calculated */
if (flags & DSBLOCK_FROMWRITECURSOR) {
/* GetCurrentPosition does too much magic to duplicate here */
hres = IDirectSoundBufferImpl_GetCurrentPosition(iface, NULL, &writecursor);
if (hres != DS_OK) {
WARN("IDirectSoundBufferImpl_GetCurrentPosition failed\n");
return hres;
}
}
/* when this flag is set, writebytes is meaningless and must be set */
if (flags & DSBLOCK_ENTIREBUFFER)
writebytes = This->buflen;
if (writecursor >= This->buflen) {
WARN("Invalid parameter, writecursor: %u >= buflen: %u\n",
writecursor, This->buflen);
return DSERR_INVALIDPARAM;
}
if (writebytes > This->buflen) {
WARN("Invalid parameter, writebytes: %u > buflen: %u\n",
writebytes, This->buflen);
return DSERR_INVALIDPARAM;
}
AcquireSRWLockShared(&This->lock);
if (writecursor+writebytes <= This->buflen) {
*(LPBYTE*)lplpaudioptr1 = This->buffer->memory+writecursor;
if (This->sec_mixpos >= writecursor && This->sec_mixpos < writecursor + writebytes && This->state == STATE_PLAYING)
WARN("Overwriting mixing position, case 1\n");
*audiobytes1 = writebytes;
if (lplpaudioptr2)
*(LPBYTE*)lplpaudioptr2 = NULL;
if (audiobytes2)
*audiobytes2 = 0;
TRACE("Locked %p(%i bytes) and %p(%i bytes) writecursor=%d\n",
*(LPBYTE*)lplpaudioptr1, *audiobytes1, lplpaudioptr2 ? *(LPBYTE*)lplpaudioptr2 : NULL, audiobytes2 ? *audiobytes2: 0, writecursor);
TRACE("->%d.0\n",writebytes);
This->buffer->lockedbytes += writebytes;
} else {
DWORD remainder = writebytes + writecursor - This->buflen;
*(LPBYTE*)lplpaudioptr1 = This->buffer->memory+writecursor;
*audiobytes1 = This->buflen-writecursor;
This->buffer->lockedbytes += *audiobytes1;
if (This->sec_mixpos >= writecursor && This->sec_mixpos < writecursor + writebytes && This->state == STATE_PLAYING)
WARN("Overwriting mixing position, case 2\n");
if (lplpaudioptr2)
*(LPBYTE*)lplpaudioptr2 = This->buffer->memory;
if (audiobytes2) {
*audiobytes2 = writebytes-(This->buflen-writecursor);
This->buffer->lockedbytes += *audiobytes2;
}
if (audiobytes2 && This->sec_mixpos < remainder && This->state == STATE_PLAYING)
WARN("Overwriting mixing position, case 3\n");
TRACE("Locked %p(%i bytes) and %p(%i bytes) writecursor=%d\n", *(LPBYTE*)lplpaudioptr1, *audiobytes1, lplpaudioptr2 ? *(LPBYTE*)lplpaudioptr2 : NULL, audiobytes2 ? *audiobytes2: 0, writecursor);
}
ReleaseSRWLockShared(&This->lock);
return DS_OK;
}
static HRESULT WINAPI IDirectSoundBufferImpl_SetCurrentPosition(IDirectSoundBuffer8 *iface,
DWORD newpos)
{
IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer8(iface);
HRESULT hres = DS_OK;
TRACE("(%p,%d)\n",This,newpos);
AcquireSRWLockExclusive(&This->lock);
/* start mixing from this new location instead */
newpos %= This->buflen;
newpos -= newpos%This->pwfx->nBlockAlign;
This->sec_mixpos = newpos;
/* at this point, do not attempt to reset buffers, mess with primary mix position,
or anything like that to reduce latency. The data already prebuffered cannot be changed */
ReleaseSRWLockExclusive(&This->lock);
return hres;
}
static HRESULT WINAPI IDirectSoundBufferImpl_SetPan(IDirectSoundBuffer8 *iface, LONG pan)
{
IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer8(iface);
HRESULT hres = DS_OK;
TRACE("(%p,%d)\n",This,pan);
if ((pan > DSBPAN_RIGHT) || (pan < DSBPAN_LEFT)) {
WARN("invalid parameter: pan = %d\n", pan);
return DSERR_INVALIDPARAM;
}
if (!(This->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
WARN("control unavailable\n");
return DSERR_CONTROLUNAVAIL;
}
AcquireSRWLockExclusive(&This->lock);
if (This->volpan.lPan != pan) {
This->volpan.lPan = pan;
DSOUND_RecalcVolPan(&(This->volpan));
}
ReleaseSRWLockExclusive(&This->lock);
return hres;
}
static HRESULT WINAPI IDirectSoundBufferImpl_GetPan(IDirectSoundBuffer8 *iface, LONG *pan)
{
IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer8(iface);
TRACE("(%p,%p)\n",This,pan);
if (!(This->dsbd.dwFlags & DSBCAPS_CTRLPAN)) {
WARN("control unavailable\n");
return DSERR_CONTROLUNAVAIL;
}
if (pan == NULL) {
WARN("invalid parameter: pan = NULL\n");
return DSERR_INVALIDPARAM;
}
*pan = This->volpan.lPan;
return DS_OK;
}
static HRESULT WINAPI IDirectSoundBufferImpl_Unlock(IDirectSoundBuffer8 *iface, void *p1, DWORD x1,
void *p2, DWORD x2)
{
IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer8(iface), *iter;
HRESULT hres = DS_OK;
TRACE("(%p,%p,%d,%p,%d)\n", This,p1,x1,p2,x2);
if (!p2)
x2 = 0;
if((p1 && ((BYTE*)p1 < This->buffer->memory || (BYTE*)p1 >= This->buffer->memory + This->buflen)) ||
(p2 && ((BYTE*)p2 < This->buffer->memory || (BYTE*)p2 >= This->buffer->memory + This->buflen)))
return DSERR_INVALIDPARAM;
if (x1 || x2)
{
AcquireSRWLockShared(&This->device->buffer_list_lock);
LIST_FOR_EACH_ENTRY(iter, &This->buffer->buffers, IDirectSoundBufferImpl, entry )
{
AcquireSRWLockShared(&iter->lock);
if (x1)
{
if(x1 + (DWORD_PTR)p1 - (DWORD_PTR)iter->buffer->memory > iter->buflen)
hres = DSERR_INVALIDPARAM;
else
iter->buffer->lockedbytes -= x1;
}
if (x2)
{
if(x2 + (DWORD_PTR)p2 - (DWORD_PTR)iter->buffer->memory > iter->buflen)
hres = DSERR_INVALIDPARAM;
else
iter->buffer->lockedbytes -= x2;
}
ReleaseSRWLockShared(&iter->lock);
}
ReleaseSRWLockShared(&This->device->buffer_list_lock);
}
return hres;
}
static HRESULT WINAPI IDirectSoundBufferImpl_Restore(IDirectSoundBuffer8 *iface)
{
IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer8(iface);
FIXME("(%p):stub\n",This);
return DS_OK;
}
static HRESULT WINAPI IDirectSoundBufferImpl_GetFrequency(IDirectSoundBuffer8 *iface, DWORD *freq)
{
IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer8(iface);
TRACE("(%p,%p)\n",This,freq);
if (freq == NULL) {
WARN("invalid parameter: freq = NULL\n");
return DSERR_INVALIDPARAM;
}
*freq = This->freq;
TRACE("-> %d\n", *freq);
return DS_OK;
}
static const char* dump_DSFX_guid(const DSEFFECTDESC *desc)
{
#define FE(guid) if (IsEqualGUID(&guid, &desc->guidDSFXClass)) return #guid
FE(GUID_DSFX_STANDARD_GARGLE);
FE(GUID_DSFX_STANDARD_CHORUS);
FE(GUID_DSFX_STANDARD_FLANGER);
FE(GUID_DSFX_STANDARD_ECHO);
FE(GUID_DSFX_STANDARD_DISTORTION);
FE(GUID_DSFX_STANDARD_COMPRESSOR);
FE(GUID_DSFX_STANDARD_PARAMEQ);
FE(GUID_DSFX_STANDARD_I3DL2REVERB);
FE(GUID_DSFX_WAVES_REVERB);
#undef FE
return debugstr_guid(&desc->guidDSFXClass);
}
static HRESULT WINAPI IDirectSoundBufferImpl_SetFX(IDirectSoundBuffer8 *iface, DWORD dwEffectsCount,
LPDSEFFECTDESC pDSFXDesc, DWORD *pdwResultCodes)
{
IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer8(iface);
DWORD u;
DSFilter *filters;
HRESULT hr, hr2;
DMO_MEDIA_TYPE dmt;
WAVEFORMATEX wfx;
TRACE("(%p,%u,%p,%p)\n", This, dwEffectsCount, pDSFXDesc, pdwResultCodes);
if (pdwResultCodes)
for (u=0; u<dwEffectsCount; u++) pdwResultCodes[u] = DSFXR_UNKNOWN;
if ((dwEffectsCount > 0 && !pDSFXDesc) ||
(dwEffectsCount == 0 && (pDSFXDesc || pdwResultCodes))
)
return E_INVALIDARG;
if (!(This->dsbd.dwFlags & DSBCAPS_CTRLFX)) {
WARN("attempted to call SetFX on buffer without DSBCAPS_CTRLFX\n");
return DSERR_CONTROLUNAVAIL;
}
if (This->state != STATE_STOPPED)
return DSERR_INVALIDCALL;
if (This->buffer->lockedbytes > 0)
return DSERR_INVALIDCALL;
if (dwEffectsCount == 0) {
if (This->num_filters > 0) {
for (u = 0; u < This->num_filters; u++) {
IMediaObject_Release(This->filters[u].obj);
}
HeapFree(GetProcessHeap(), 0, This->filters);
This->filters = NULL;
This->num_filters = 0;
}
return DS_OK;
}
filters = HeapAlloc(GetProcessHeap(), 0, dwEffectsCount * sizeof(DSFilter));
if (!filters) {
WARN("out of memory\n");
return DSERR_OUTOFMEMORY;
}
hr = DS_OK;
wfx.wFormatTag = WAVE_FORMAT_IEEE_FLOAT;
wfx.nChannels = This->pwfx->nChannels;
wfx.nSamplesPerSec = This->pwfx->nSamplesPerSec;
wfx.wBitsPerSample = sizeof(float) * 8;
wfx.nBlockAlign = (wfx.nChannels * wfx.wBitsPerSample)/8;
wfx.nAvgBytesPerSec = wfx.nSamplesPerSec * wfx.nBlockAlign;
wfx.cbSize = sizeof(wfx);
dmt.majortype = KSDATAFORMAT_TYPE_AUDIO;
dmt.subtype = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
dmt.bFixedSizeSamples = TRUE;
dmt.bTemporalCompression = FALSE;
dmt.lSampleSize = sizeof(float) * This->pwfx->nChannels / 8;
dmt.formattype = FORMAT_WaveFormatEx;
dmt.pUnk = NULL;
dmt.cbFormat = sizeof(WAVEFORMATEX);
dmt.pbFormat = (BYTE*)&wfx;
for (u = 0; u < dwEffectsCount; u++) {
TRACE("%d: 0x%08x, %s\n", u, pDSFXDesc[u].dwFlags, dump_DSFX_guid(&pDSFXDesc[u]));
hr2 = CoCreateInstance(&pDSFXDesc[u].guidDSFXClass, NULL, CLSCTX_INPROC_SERVER, &IID_IMediaObject, (LPVOID*)&filters[u].obj);
if (SUCCEEDED(hr2)) {
hr2 = IMediaObject_SetInputType(filters[u].obj, 0, &dmt, 0);
if (FAILED(hr2))
WARN("Could not set DMO input type\n");
}
if (SUCCEEDED(hr2)) {
hr2 = IMediaObject_SetOutputType(filters[u].obj, 0, &dmt, 0);
if (FAILED(hr2))
WARN("Could not set DMO output type\n");
}
if (FAILED(hr2)) {
if (hr == DS_OK)
hr = hr2;
if (pdwResultCodes)
pdwResultCodes[u] = (hr2 == REGDB_E_CLASSNOTREG) ? DSFXR_UNKNOWN : DSFXR_FAILED;
} else {
if (pdwResultCodes)
pdwResultCodes[u] = DSFXR_LOCSOFTWARE;
}
}
if (FAILED(hr)) {
for (u = 0; u < dwEffectsCount; u++) {
if (pdwResultCodes)
pdwResultCodes[u] = (pdwResultCodes[u] != DSFXR_UNKNOWN) ? DSFXR_PRESENT : DSFXR_UNKNOWN;
if (filters[u].obj)
IMediaObject_Release(filters[u].obj);
}
HeapFree(GetProcessHeap(), 0, filters);
} else {
if (This->num_filters > 0) {
for (u = 0; u < This->num_filters; u++) {
IMediaObject_Release(This->filters[u].obj);
if (This->filters[u].inplace) IMediaObjectInPlace_Release(This->filters[u].inplace);
}
HeapFree(GetProcessHeap(), 0, This->filters);
}
for (u = 0; u < dwEffectsCount; u++) {
memcpy(&filters[u].guid, &pDSFXDesc[u].guidDSFXClass, sizeof(GUID));
if (FAILED(IMediaObject_QueryInterface(filters[u].obj, &IID_IMediaObjectInPlace, (void*)&filters[u].inplace)))
filters[u].inplace = NULL;
}
This->filters = filters;
This->num_filters = dwEffectsCount;
}
return hr;
}
static HRESULT WINAPI IDirectSoundBufferImpl_AcquireResources(IDirectSoundBuffer8 *iface,
DWORD dwFlags, DWORD dwEffectsCount, DWORD *pdwResultCodes)
{
IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer8(iface);
DWORD u;
FIXME("(%p,%08u,%u,%p): stub, faking success\n",This,dwFlags,dwEffectsCount,pdwResultCodes);
if (pdwResultCodes)
for (u=0; u<dwEffectsCount; u++) pdwResultCodes[u] = DSFXR_UNKNOWN;
WARN("control unavailable\n");
return DS_OK;
}
static HRESULT WINAPI IDirectSoundBufferImpl_GetObjectInPath(IDirectSoundBuffer8 *iface,
REFGUID rguidObject, DWORD dwIndex, REFGUID rguidInterface, void **ppObject)
{
IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer8(iface);
TRACE("(%p,%s,%u,%s,%p)\n",This,debugstr_guid(rguidObject),dwIndex,debugstr_guid(rguidInterface),ppObject);
if (dwIndex >= This->num_filters)
return DSERR_CONTROLUNAVAIL;
if (!ppObject)
return E_INVALIDARG;
if (IsEqualGUID(rguidObject, &This->filters[dwIndex].guid) || IsEqualGUID(rguidObject, &GUID_All_Objects)) {
if (SUCCEEDED(IMediaObject_QueryInterface(This->filters[dwIndex].obj, rguidInterface, ppObject)))
return DS_OK;
else
return E_NOINTERFACE;
} else {
WARN("control unavailable\n");
return DSERR_OBJECTNOTFOUND;
}
}
static HRESULT WINAPI IDirectSoundBufferImpl_Initialize(IDirectSoundBuffer8 *iface,
IDirectSound *dsound, LPCDSBUFFERDESC dbsd)
{
IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer8(iface);
WARN("(%p) already initialized\n", This);
return DSERR_ALREADYINITIALIZED;
}
static HRESULT WINAPI IDirectSoundBufferImpl_GetCaps(IDirectSoundBuffer8 *iface, LPDSBCAPS caps)
{
IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer8(iface);
TRACE("(%p)->(%p)\n",This,caps);
if (caps == NULL) {
WARN("invalid parameter: caps == NULL\n");
return DSERR_INVALIDPARAM;
}
if (caps->dwSize < sizeof(*caps)) {
WARN("invalid parameter: caps->dwSize = %d\n",caps->dwSize);
return DSERR_INVALIDPARAM;
}
caps->dwFlags = This->dsbd.dwFlags;
caps->dwFlags |= DSBCAPS_LOCSOFTWARE;
caps->dwBufferBytes = This->buflen;
/* According to windows, this is zero*/
caps->dwUnlockTransferRate = 0;
caps->dwPlayCpuOverhead = 0;
return DS_OK;
}
static HRESULT WINAPI IDirectSoundBufferImpl_QueryInterface(IDirectSoundBuffer8 *iface, REFIID riid,
void **ppobj)
{
IDirectSoundBufferImpl *This = impl_from_IDirectSoundBuffer8(iface);
TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
if (ppobj == NULL) {
WARN("invalid parameter\n");
return E_INVALIDARG;
}
*ppobj = NULL; /* assume failure */
if ( IsEqualGUID(riid, &IID_IUnknown) ||
IsEqualGUID(riid, &IID_IDirectSoundBuffer) ||
IsEqualGUID(riid, &IID_IDirectSoundBuffer8) ) {
IDirectSoundBuffer8_AddRef(iface);
*ppobj = iface;
return S_OK;
}
if ( IsEqualGUID( &IID_IDirectSoundNotify, riid ) ) {
if(This->dsbd.dwFlags & DSBCAPS_CTRLPOSITIONNOTIFY) {
IDirectSoundNotify_AddRef(&This->IDirectSoundNotify_iface);
*ppobj = &This->IDirectSoundNotify_iface;
return S_OK;
}
TRACE( "App requested IDirectSoundNotify without DSBCAPS_CTRLPOSITIONNOTIFY flag.\n");
return E_NOINTERFACE;
}
if ( IsEqualGUID( &IID_IDirectSound3DBuffer, riid ) ) {
if(This->dsbd.dwFlags & DSBCAPS_CTRL3D){
IDirectSound3DBuffer_AddRef(&This->IDirectSound3DBuffer_iface);
*ppobj = &This->IDirectSound3DBuffer_iface;
return S_OK;
}
TRACE("app requested IDirectSound3DBuffer on non-3D secondary buffer\n");
return E_NOINTERFACE;
}
if ( IsEqualGUID( &IID_IDirectSound3DListener, riid ) ) {
ERR("app requested IDirectSound3DListener on secondary buffer\n");
return E_NOINTERFACE;
}
if ( IsEqualGUID( &IID_IKsPropertySet, riid ) ) {
IKsPropertySet_AddRef(&This->IKsPropertySet_iface);
*ppobj = &This->IKsPropertySet_iface;
return S_OK;
}
FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
return E_NOINTERFACE;
}
static const IDirectSoundBuffer8Vtbl dsbvt =
{
IDirectSoundBufferImpl_QueryInterface,
IDirectSoundBufferImpl_AddRef,
IDirectSoundBufferImpl_Release,
IDirectSoundBufferImpl_GetCaps,
IDirectSoundBufferImpl_GetCurrentPosition,
IDirectSoundBufferImpl_GetFormat,
IDirectSoundBufferImpl_GetVolume,
IDirectSoundBufferImpl_GetPan,
IDirectSoundBufferImpl_GetFrequency,
IDirectSoundBufferImpl_GetStatus,
IDirectSoundBufferImpl_Initialize,
IDirectSoundBufferImpl_Lock,
IDirectSoundBufferImpl_Play,
IDirectSoundBufferImpl_SetCurrentPosition,
IDirectSoundBufferImpl_SetFormat,
IDirectSoundBufferImpl_SetVolume,
IDirectSoundBufferImpl_SetPan,
IDirectSoundBufferImpl_SetFrequency,
IDirectSoundBufferImpl_Stop,
IDirectSoundBufferImpl_Unlock,
IDirectSoundBufferImpl_Restore,
IDirectSoundBufferImpl_SetFX,
IDirectSoundBufferImpl_AcquireResources,
IDirectSoundBufferImpl_GetObjectInPath
};
HRESULT secondarybuffer_create(DirectSoundDevice *device, const DSBUFFERDESC *dsbd,
IDirectSoundBuffer **buffer)
{
IDirectSoundBufferImpl *dsb;
LPWAVEFORMATEX wfex = dsbd->lpwfxFormat;
HRESULT err = DS_OK;
DWORD capf = 0;
size_t bufsize;
TRACE("(%p,%p,%p)\n", device, dsbd, buffer);
if (dsbd->dwBufferBytes < DSBSIZE_MIN || dsbd->dwBufferBytes > DSBSIZE_MAX) {
WARN("invalid parameter: dsbd->dwBufferBytes = %d\n", dsbd->dwBufferBytes);
return DSERR_INVALIDPARAM; /* FIXME: which error? */
}
dsb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*dsb));
if (!dsb)
return DSERR_OUTOFMEMORY;
TRACE("Created buffer at %p\n", dsb);
dsb->ref = 1;
dsb->refn = 0;
dsb->ref3D = 0;
dsb->refiks = 0;
dsb->numIfaces = 1;
dsb->device = device;
dsb->IDirectSoundBuffer8_iface.lpVtbl = &dsbvt;
dsb->IDirectSoundNotify_iface.lpVtbl = &dsnvt;
dsb->IDirectSound3DBuffer_iface.lpVtbl = &ds3dbvt;
dsb->IKsPropertySet_iface.lpVtbl = &iksbvt;
/* size depends on version */
CopyMemory(&dsb->dsbd, dsbd, dsbd->dwSize);
dsb->pwfx = DSOUND_CopyFormat(wfex);
if (!dsb->pwfx) {
IDirectSoundBuffer8_Release(&dsb->IDirectSoundBuffer8_iface);
return DSERR_OUTOFMEMORY;
}
if (dsbd->dwBufferBytes % dsbd->lpwfxFormat->nBlockAlign)
dsb->buflen = dsbd->dwBufferBytes +
(dsbd->lpwfxFormat->nBlockAlign -
(dsbd->dwBufferBytes % dsbd->lpwfxFormat->nBlockAlign));
else
dsb->buflen = dsbd->dwBufferBytes;
dsb->freq = dsbd->lpwfxFormat->nSamplesPerSec;
dsb->notifies = NULL;
dsb->nrofnotifies = 0;
/* Check necessary hardware mixing capabilities */
if (wfex->nChannels==2) capf |= DSCAPS_SECONDARYSTEREO;
else capf |= DSCAPS_SECONDARYMONO;
if (wfex->wBitsPerSample==16) capf |= DSCAPS_SECONDARY16BIT;
else capf |= DSCAPS_SECONDARY8BIT;
TRACE("capf = 0x%08x, device->drvcaps.dwFlags = 0x%08x\n", capf, device->drvcaps.dwFlags);
/* Allocate an empty buffer */
bufsize = (sizeof(*(dsb->buffer)) + sizeof(void *) - 1) & ~(sizeof(void *) - 1);
dsb->buffer = HeapAlloc(GetProcessHeap(),0,bufsize + dsb->buflen);
if (!dsb->buffer) {
IDirectSoundBuffer8_Release(&dsb->IDirectSoundBuffer8_iface);
return DSERR_OUTOFMEMORY;
}
/* Allocate system memory for buffer */
dsb->buffer->memory = (BYTE *)dsb->buffer + bufsize;
dsb->buffer->ref = 1;
dsb->buffer->lockedbytes = 0;
list_init(&dsb->buffer->buffers);
list_add_head(&dsb->buffer->buffers, &dsb->entry);
FillMemory(dsb->buffer->memory, dsb->buflen, dsbd->lpwfxFormat->wBitsPerSample == 8 ? 128 : 0);
/* It's not necessary to initialize values to zero since */
/* we allocated this structure with HEAP_ZERO_MEMORY... */
dsb->sec_mixpos = 0;
dsb->state = STATE_STOPPED;
dsb->freqAdjustNum = dsb->freq;
dsb->freqAdjustDen = device->pwfx->nSamplesPerSec;
dsb->nAvgBytesPerSec = dsb->freq *
dsbd->lpwfxFormat->nBlockAlign;
/* calculate fragment size and write lead */
DSOUND_RecalcFormat(dsb);
if (dsb->dsbd.dwFlags & DSBCAPS_CTRL3D) {
dsb->ds3db_ds3db.dwSize = sizeof(DS3DBUFFER);
dsb->ds3db_ds3db.vPosition.x = 0.0;
dsb->ds3db_ds3db.vPosition.y = 0.0;
dsb->ds3db_ds3db.vPosition.z = 0.0;
dsb->ds3db_ds3db.vVelocity.x = 0.0;
dsb->ds3db_ds3db.vVelocity.y = 0.0;
dsb->ds3db_ds3db.vVelocity.z = 0.0;
dsb->ds3db_ds3db.dwInsideConeAngle = DS3D_DEFAULTCONEANGLE;
dsb->ds3db_ds3db.dwOutsideConeAngle = DS3D_DEFAULTCONEANGLE;
dsb->ds3db_ds3db.vConeOrientation.x = 0.0;
dsb->ds3db_ds3db.vConeOrientation.y = 0.0;
dsb->ds3db_ds3db.vConeOrientation.z = 0.0;
dsb->ds3db_ds3db.lConeOutsideVolume = DS3D_DEFAULTCONEOUTSIDEVOLUME;
dsb->ds3db_ds3db.flMinDistance = DS3D_DEFAULTMINDISTANCE;
dsb->ds3db_ds3db.flMaxDistance = DS3D_DEFAULTMAXDISTANCE;
dsb->ds3db_ds3db.dwMode = DS3DMODE_NORMAL;
dsb->ds3db_need_recalc = FALSE;
DSOUND_Calc3DBuffer(dsb);
} else
DSOUND_RecalcVolPan(&(dsb->volpan));
InitializeSRWLock(&dsb->lock);
/* register buffer */
err = DirectSoundDevice_AddBuffer(device, dsb);
if (err == DS_OK)
*buffer = (IDirectSoundBuffer*)&dsb->IDirectSoundBuffer8_iface;
else
IDirectSoundBuffer8_Release(&dsb->IDirectSoundBuffer8_iface);
return err;
}
void secondarybuffer_destroy(IDirectSoundBufferImpl *This)
{
ULONG ref = InterlockedIncrement(&This->numIfaces);
if (ref > 1)
WARN("Destroying buffer with %u in use interfaces\n", ref - 1);
if (This->dsbd.dwFlags & DSBCAPS_LOCHARDWARE)
This->device->drvcaps.dwFreeHwMixingAllBuffers++;
DirectSoundDevice_RemoveBuffer(This->device, This);
This->buffer->ref--;
list_remove(&This->entry);
if (This->buffer->ref == 0)
HeapFree(GetProcessHeap(), 0, This->buffer);
HeapFree(GetProcessHeap(), 0, This->notifies);
HeapFree(GetProcessHeap(), 0, This->pwfx);
if (This->filters) {
int i;
for (i = 0; i < This->num_filters; i++) {
IMediaObject_Release(This->filters[i].obj);
if (This->filters[i].inplace) IMediaObjectInPlace_Release(This->filters[i].inplace);
}
HeapFree(GetProcessHeap(), 0, This->filters);
}
HeapFree(GetProcessHeap(), 0, This);
TRACE("(%p) released\n", This);
}
HRESULT IDirectSoundBufferImpl_Duplicate(
DirectSoundDevice *device,
IDirectSoundBufferImpl **ppdsb,
IDirectSoundBufferImpl *pdsb)
{
IDirectSoundBufferImpl *dsb;
HRESULT hres = DS_OK;
TRACE("(%p,%p,%p)\n", device, ppdsb, pdsb);
dsb = HeapAlloc(GetProcessHeap(),0,sizeof(*dsb));
if (dsb == NULL) {
WARN("out of memory\n");
*ppdsb = NULL;
return DSERR_OUTOFMEMORY;
}
AcquireSRWLockShared(&pdsb->lock);
CopyMemory(dsb, pdsb, sizeof(*dsb));
dsb->pwfx = DSOUND_CopyFormat(pdsb->pwfx);
ReleaseSRWLockShared(&pdsb->lock);
if (dsb->pwfx == NULL) {
HeapFree(GetProcessHeap(),0,dsb);
*ppdsb = NULL;
return DSERR_OUTOFMEMORY;
}
dsb->buffer->ref++;
list_add_head(&dsb->buffer->buffers, &dsb->entry);
dsb->ref = 0;
dsb->refn = 0;
dsb->ref3D = 0;
dsb->refiks = 0;
dsb->numIfaces = 0;
dsb->state = STATE_STOPPED;
dsb->sec_mixpos = 0;
dsb->notifies = NULL;
dsb->nrofnotifies = 0;
dsb->device = device;
DSOUND_RecalcFormat(dsb);
InitializeSRWLock(&dsb->lock);
/* register buffer */
hres = DirectSoundDevice_AddBuffer(device, dsb);
if (hres != DS_OK) {
list_remove(&dsb->entry);
dsb->buffer->ref--;
HeapFree(GetProcessHeap(),0,dsb->pwfx);
HeapFree(GetProcessHeap(),0,dsb);
dsb = NULL;
}else
IDirectSoundBuffer8_AddRef(&dsb->IDirectSoundBuffer8_iface);
*ppdsb = dsb;
return hres;
}
/*******************************************************************************
* IKsPropertySet
*/
static inline IDirectSoundBufferImpl *impl_from_IKsPropertySet(IKsPropertySet *iface)
{
return CONTAINING_RECORD(iface, IDirectSoundBufferImpl, IKsPropertySet_iface);
}
/* IUnknown methods */
static HRESULT WINAPI IKsPropertySetImpl_QueryInterface(IKsPropertySet *iface, REFIID riid,
void **ppobj)
{
IDirectSoundBufferImpl *This = impl_from_IKsPropertySet(iface);
TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
return IDirectSoundBuffer8_QueryInterface(&This->IDirectSoundBuffer8_iface, riid, ppobj);
}
static ULONG WINAPI IKsPropertySetImpl_AddRef(IKsPropertySet *iface)
{
IDirectSoundBufferImpl *This = impl_from_IKsPropertySet(iface);
ULONG ref = InterlockedIncrement(&This->refiks);
TRACE("(%p) ref %d\n", This, ref);
if(ref == 1)
InterlockedIncrement(&This->numIfaces);
return ref;
}
static ULONG WINAPI IKsPropertySetImpl_Release(IKsPropertySet *iface)
{
IDirectSoundBufferImpl *This = impl_from_IKsPropertySet(iface);
ULONG ref;
if (is_primary_buffer(This)){
ref = capped_refcount_dec(&This->refiks);
if(!ref)
capped_refcount_dec(&This->numIfaces);
TRACE("(%p) ref %d\n", This, ref);
return ref;
}
ref = InterlockedDecrement(&This->refiks);
if (!ref && !InterlockedDecrement(&This->numIfaces))
secondarybuffer_destroy(This);
TRACE("(%p) ref %d\n", This, ref);
return ref;
}
static HRESULT WINAPI IKsPropertySetImpl_Get(IKsPropertySet *iface, REFGUID guidPropSet,
ULONG dwPropID, void *pInstanceData, ULONG cbInstanceData, void *pPropData,
ULONG cbPropData, ULONG *pcbReturned)
{
IDirectSoundBufferImpl *This = impl_from_IKsPropertySet(iface);
TRACE("(iface=%p,guidPropSet=%s,dwPropID=%d,pInstanceData=%p,cbInstanceData=%d,pPropData=%p,cbPropData=%d,pcbReturned=%p)\n",
This,debugstr_guid(guidPropSet),dwPropID,pInstanceData,cbInstanceData,pPropData,cbPropData,pcbReturned);
return E_PROP_ID_UNSUPPORTED;
}
static HRESULT WINAPI IKsPropertySetImpl_Set(IKsPropertySet *iface, REFGUID guidPropSet,
ULONG dwPropID, void *pInstanceData, ULONG cbInstanceData, void *pPropData,
ULONG cbPropData)
{
IDirectSoundBufferImpl *This = impl_from_IKsPropertySet(iface);
TRACE("(%p,%s,%d,%p,%d,%p,%d)\n",This,debugstr_guid(guidPropSet),dwPropID,pInstanceData,cbInstanceData,pPropData,cbPropData);
return E_PROP_ID_UNSUPPORTED;
}
static HRESULT WINAPI IKsPropertySetImpl_QuerySupport(IKsPropertySet *iface, REFGUID guidPropSet,
ULONG dwPropID, ULONG *pTypeSupport)
{
IDirectSoundBufferImpl *This = impl_from_IKsPropertySet(iface);
TRACE("(%p,%s,%d,%p)\n",This,debugstr_guid(guidPropSet),dwPropID,pTypeSupport);
return E_PROP_ID_UNSUPPORTED;
}
const IKsPropertySetVtbl iksbvt = {
IKsPropertySetImpl_QueryInterface,
IKsPropertySetImpl_AddRef,
IKsPropertySetImpl_Release,
IKsPropertySetImpl_Get,
IKsPropertySetImpl_Set,
IKsPropertySetImpl_QuerySupport
};
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