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"
36 #include "wine/unicode.h"
37 #include "wine/debug.h"
39 WINE_DEFAULT_DEBUG_CHANNEL(quartz
);
41 /* NOTE: buffer can still be filled completely,
42 * but we start waiting until only this amount is buffered
44 static const REFERENCE_TIME DSoundRenderer_Max_Fill
= 150 * 10000;
46 static const IBaseFilterVtbl DSoundRender_Vtbl
;
47 static const IBasicAudioVtbl IBasicAudio_Vtbl
;
48 static const IReferenceClockVtbl IReferenceClock_Vtbl
;
49 static const IMediaSeekingVtbl IMediaSeeking_Vtbl
;
50 static const IAMDirectSoundVtbl IAMDirectSound_Vtbl
;
51 static const IAMFilterMiscFlagsVtbl IAMFilterMiscFlags_Vtbl
;
53 typedef struct DSoundRenderImpl
55 BaseRenderer renderer
;
56 BasicAudio basicAudio
;
58 IReferenceClock IReferenceClock_iface
;
59 IAMDirectSound IAMDirectSound_iface
;
60 IAMFilterMiscFlags IAMFilterMiscFlags_iface
;
62 IDirectSound8
*dsound
;
63 LPDIRECTSOUNDBUFFER dsbuffer
;
66 DWORD last_playpos
, writepos
;
68 REFERENCE_TIME play_time
;
76 HANDLE advisethread
, thread_wait
;
79 static inline DSoundRenderImpl
*impl_from_BaseRenderer(BaseRenderer
*iface
)
81 return CONTAINING_RECORD(iface
, DSoundRenderImpl
, renderer
);
84 static inline DSoundRenderImpl
*impl_from_IBaseFilter(IBaseFilter
*iface
)
86 return CONTAINING_RECORD(iface
, DSoundRenderImpl
, renderer
.filter
.IBaseFilter_iface
);
89 static inline DSoundRenderImpl
*impl_from_IBasicAudio(IBasicAudio
*iface
)
91 return CONTAINING_RECORD(iface
, DSoundRenderImpl
, basicAudio
.IBasicAudio_iface
);
94 static inline DSoundRenderImpl
*impl_from_IReferenceClock(IReferenceClock
*iface
)
96 return CONTAINING_RECORD(iface
, DSoundRenderImpl
, IReferenceClock_iface
);
99 static inline DSoundRenderImpl
*impl_from_IAMDirectSound(IAMDirectSound
*iface
)
101 return CONTAINING_RECORD(iface
, DSoundRenderImpl
, IAMDirectSound_iface
);
104 static inline DSoundRenderImpl
*impl_from_IAMFilterMiscFlags(IAMFilterMiscFlags
*iface
)
106 return CONTAINING_RECORD(iface
, DSoundRenderImpl
, IAMFilterMiscFlags_iface
);
109 static REFERENCE_TIME
time_from_pos(DSoundRenderImpl
*This
, DWORD pos
) {
110 WAVEFORMATEX
*wfx
= (WAVEFORMATEX
*)This
->renderer
.pInputPin
->pin
.mtCurrent
.pbFormat
;
111 REFERENCE_TIME ret
= 10000000;
112 ret
= ret
* pos
/ wfx
->nAvgBytesPerSec
;
116 static DWORD
pos_from_time(DSoundRenderImpl
*This
, REFERENCE_TIME time
) {
117 WAVEFORMATEX
*wfx
= (WAVEFORMATEX
*)This
->renderer
.pInputPin
->pin
.mtCurrent
.pbFormat
;
118 REFERENCE_TIME ret
= time
;
119 ret
*= wfx
->nSamplesPerSec
;
121 ret
*= wfx
->nBlockAlign
;
125 static void DSoundRender_UpdatePositions(DSoundRenderImpl
*This
, DWORD
*seqwritepos
, DWORD
*minwritepos
) {
126 WAVEFORMATEX
*wfx
= (WAVEFORMATEX
*)This
->renderer
.pInputPin
->pin
.mtCurrent
.pbFormat
;
128 DWORD size1
, size2
, playpos
, writepos
, old_writepos
, old_playpos
, adv
;
129 BOOL writepos_set
= This
->writepos
< This
->buf_size
;
131 /* Update position and zero */
132 old_writepos
= This
->writepos
;
133 old_playpos
= This
->last_playpos
;
134 if (old_writepos
<= old_playpos
)
135 old_writepos
+= This
->buf_size
;
137 IDirectSoundBuffer_GetCurrentPosition(This
->dsbuffer
, &playpos
, &writepos
);
138 if (old_playpos
> playpos
) {
139 adv
= This
->buf_size
+ playpos
- old_playpos
;
140 This
->play_time
+= time_from_pos(This
, This
->buf_size
);
142 adv
= playpos
- old_playpos
;
143 This
->last_playpos
= playpos
;
145 TRACE("Moving from %u to %u: clearing %u bytes\n", old_playpos
, playpos
, adv
);
146 IDirectSoundBuffer_Lock(This
->dsbuffer
, old_playpos
, adv
, (void**)&buf1
, &size1
, (void**)&buf2
, &size2
, 0);
147 memset(buf1
, wfx
->wBitsPerSample
== 8 ? 128 : 0, size1
);
148 memset(buf2
, wfx
->wBitsPerSample
== 8 ? 128 : 0, size2
);
149 IDirectSoundBuffer_Unlock(This
->dsbuffer
, buf1
, size1
, buf2
, size2
);
151 *minwritepos
= writepos
;
152 if (!writepos_set
|| old_writepos
< writepos
) {
154 This
->writepos
= This
->buf_size
;
155 FIXME("Underrun of data occurred!\n");
157 *seqwritepos
= writepos
;
159 *seqwritepos
= This
->writepos
;
162 static HRESULT
DSoundRender_GetWritePos(DSoundRenderImpl
*This
, DWORD
*ret_writepos
, REFERENCE_TIME write_at
, DWORD
*pfree
, DWORD
*skip
)
164 WAVEFORMATEX
*wfx
= (WAVEFORMATEX
*)This
->renderer
.pInputPin
->pin
.mtCurrent
.pbFormat
;
165 DWORD writepos
, min_writepos
, playpos
;
166 REFERENCE_TIME max_lag
= 50 * 10000;
167 REFERENCE_TIME min_lag
= 25 * 10000;
168 REFERENCE_TIME cur
, writepos_t
, delta_t
;
170 DSoundRender_UpdatePositions(This
, &writepos
, &min_writepos
);
171 playpos
= This
->last_playpos
;
172 if (This
->renderer
.filter
.pClock
== &This
->IReferenceClock_iface
) {
174 cur
= This
->play_time
+ time_from_pos(This
, playpos
);
175 cur
-= This
->renderer
.filter
.rtStreamStart
;
176 } else if (This
->renderer
.filter
.pClock
) {
177 IReferenceClock_GetTime(This
->renderer
.filter
.pClock
, &cur
);
178 cur
-= This
->renderer
.filter
.rtStreamStart
;
182 if (writepos
== min_writepos
)
187 *ret_writepos
= writepos
;
191 if (writepos
>= playpos
)
192 writepos_t
= cur
+ time_from_pos(This
, writepos
- playpos
);
194 writepos_t
= cur
+ time_from_pos(This
, This
->buf_size
+ writepos
- playpos
);
196 /* write_at: Starting time of sample */
197 /* cur: current time of play position */
198 /* writepos_t: current time of our pointer play position */
199 delta_t
= write_at
- writepos_t
;
200 if (delta_t
>= -max_lag
&& delta_t
<= max_lag
) {
201 TRACE("Continuing from old position\n");
202 *ret_writepos
= writepos
;
203 } else if (delta_t
< 0) {
204 REFERENCE_TIME past
, min_writepos_t
;
205 WARN("Delta too big %i/%i, overwriting old data or even skipping\n", (int)delta_t
/ 10000, (int)max_lag
/ 10000);
206 if (min_writepos
>= playpos
)
207 min_writepos_t
= cur
+ time_from_pos(This
, min_writepos
- playpos
);
209 min_writepos_t
= cur
+ time_from_pos(This
, This
->buf_size
- playpos
+ min_writepos
);
210 past
= min_writepos_t
- write_at
;
212 DWORD skipbytes
= pos_from_time(This
, past
);
213 WARN("Skipping %u bytes\n", skipbytes
);
215 *ret_writepos
= min_writepos
;
217 DWORD aheadbytes
= pos_from_time(This
, -past
);
218 WARN("Advancing %u bytes\n", aheadbytes
);
219 *ret_writepos
= (min_writepos
+ aheadbytes
) % This
->buf_size
;
221 } else /* delta_t > 0 */ {
223 WARN("Delta too big %i/%i, too far ahead\n", (int)delta_t
/ 10000, (int)max_lag
/ 10000);
224 aheadbytes
= pos_from_time(This
, delta_t
);
225 WARN("Advancing %u bytes\n", aheadbytes
);
226 if (delta_t
>= DSoundRenderer_Max_Fill
)
228 *ret_writepos
= (min_writepos
+ aheadbytes
) % This
->buf_size
;
231 if (playpos
> *ret_writepos
)
232 *pfree
= playpos
- *ret_writepos
;
233 else if (playpos
== *ret_writepos
)
234 *pfree
= This
->buf_size
- wfx
->nBlockAlign
;
236 *pfree
= This
->buf_size
+ playpos
- *ret_writepos
;
237 if (time_from_pos(This
, This
->buf_size
- *pfree
) >= DSoundRenderer_Max_Fill
) {
238 TRACE("Blocked: too full %i / %i\n", (int)(time_from_pos(This
, This
->buf_size
- *pfree
)/10000), (int)(DSoundRenderer_Max_Fill
/ 10000));
244 static HRESULT
DSoundRender_HandleEndOfStream(DSoundRenderImpl
*This
)
249 DSoundRender_UpdatePositions(This
, &pos1
, &pos2
);
254 LeaveCriticalSection(&This
->renderer
.filter
.csFilter
);
255 LeaveCriticalSection(&This
->renderer
.csRenderLock
);
256 WaitForSingleObject(This
->blocked
, 10);
257 EnterCriticalSection(&This
->renderer
.filter
.csFilter
);
258 EnterCriticalSection(&This
->renderer
.csRenderLock
);
265 static HRESULT
DSoundRender_SendSampleData(DSoundRenderImpl
* This
, REFERENCE_TIME tStart
, REFERENCE_TIME tStop
, const BYTE
*data
, DWORD size
)
269 while (size
&& This
->renderer
.filter
.state
!= State_Stopped
) {
270 DWORD writepos
, skip
= 0, free
, size1
, size2
, ret
;
273 if (This
->renderer
.filter
.state
== State_Running
)
274 hr
= DSoundRender_GetWritePos(This
, &writepos
, tStart
, &free
, &skip
);
280 LeaveCriticalSection(&This
->renderer
.csRenderLock
);
281 ret
= WaitForSingleObject(This
->blocked
, 10);
282 EnterCriticalSection(&This
->renderer
.csRenderLock
);
284 if (This
->renderer
.pInputPin
->flushing
||
285 This
->renderer
.filter
.state
== State_Stopped
) {
286 return This
->renderer
.filter
.state
== State_Paused
? S_OK
: VFW_E_WRONG_STATE
;
288 if (ret
!= WAIT_TIMEOUT
)
295 FIXME("Sample dropped %u of %u bytes\n", skip
, size
);
301 hr
= IDirectSoundBuffer_Lock(This
->dsbuffer
, writepos
, min(free
, size
), (void**)&buf1
, &size1
, (void**)&buf2
, &size2
, 0);
303 ERR("Unable to lock sound buffer! (%x)\n", hr
);
306 memcpy(buf1
, data
, size1
);
308 memcpy(buf2
, data
+size1
, size2
);
309 IDirectSoundBuffer_Unlock(This
->dsbuffer
, buf1
, size1
, buf2
, size2
);
310 This
->writepos
= (writepos
+ size1
+ size2
) % This
->buf_size
;
311 TRACE("Wrote %u bytes at %u, next at %u - (%u/%u)\n", size1
+size2
, writepos
, This
->writepos
, free
, size
);
312 data
+= size1
+ size2
;
313 size
-= size1
+ size2
;
318 static HRESULT WINAPI
DSoundRender_ShouldDrawSampleNow(BaseRenderer
*This
, IMediaSample
*pMediaSample
, REFERENCE_TIME
*pStartTime
, REFERENCE_TIME
*pEndTime
)
320 /* We time ourselves do not use the base renderers timing */
325 static HRESULT WINAPI
DSoundRender_PrepareReceive(BaseRenderer
*iface
, IMediaSample
*pSample
)
327 DSoundRenderImpl
*This
= impl_from_BaseRenderer(iface
);
331 if (IMediaSample_GetMediaType(pSample
, &amt
) == S_OK
)
333 AM_MEDIA_TYPE
*orig
= &This
->renderer
.pInputPin
->pin
.mtCurrent
;
334 WAVEFORMATEX
*origfmt
= (WAVEFORMATEX
*)orig
->pbFormat
;
335 WAVEFORMATEX
*newfmt
= (WAVEFORMATEX
*)amt
->pbFormat
;
337 if (origfmt
->wFormatTag
== newfmt
->wFormatTag
&&
338 origfmt
->nChannels
== newfmt
->nChannels
&&
339 origfmt
->nBlockAlign
== newfmt
->nBlockAlign
&&
340 origfmt
->wBitsPerSample
== newfmt
->wBitsPerSample
&&
341 origfmt
->cbSize
== newfmt
->cbSize
)
343 if (origfmt
->nSamplesPerSec
!= newfmt
->nSamplesPerSec
)
345 hr
= IDirectSoundBuffer_SetFrequency(This
->dsbuffer
,
346 newfmt
->nSamplesPerSec
);
348 return VFW_E_TYPE_NOT_ACCEPTED
;
350 CopyMediaType(orig
, amt
);
351 IMediaSample_SetMediaType(pSample
, NULL
);
355 return VFW_E_TYPE_NOT_ACCEPTED
;
360 static HRESULT WINAPI
DSoundRender_DoRenderSample(BaseRenderer
*iface
, IMediaSample
* pSample
)
362 DSoundRenderImpl
*This
= impl_from_BaseRenderer(iface
);
363 LPBYTE pbSrcStream
= NULL
;
364 LONG cbSrcStream
= 0;
365 REFERENCE_TIME tStart
, tStop
;
368 TRACE("%p %p\n", iface
, pSample
);
370 /* Slightly incorrect, Pause completes when a frame is received so we should signal
371 * pause completion here, but for sound playing a single frame doesn't make sense
374 hr
= IMediaSample_GetPointer(pSample
, &pbSrcStream
);
377 ERR("Cannot get pointer to sample data (%x)\n", hr
);
381 hr
= IMediaSample_GetTime(pSample
, &tStart
, &tStop
);
383 ERR("Cannot get sample time (%x)\n", hr
);
387 IMediaSample_IsDiscontinuity(pSample
);
389 if (IMediaSample_IsPreroll(pSample
) == S_OK
)
395 cbSrcStream
= IMediaSample_GetActualDataLength(pSample
);
396 TRACE("Sample data ptr = %p, size = %d\n", pbSrcStream
, cbSrcStream
);
398 hr
= DSoundRender_SendSampleData(This
, tStart
, tStop
, pbSrcStream
, cbSrcStream
);
399 if (This
->renderer
.filter
.state
== State_Running
&& This
->renderer
.filter
.pClock
&& tStart
>= 0) {
400 REFERENCE_TIME jitter
, now
= 0;
402 IReferenceClock_GetTime(This
->renderer
.filter
.pClock
, &now
);
403 jitter
= now
- This
->renderer
.filter
.rtStreamStart
- tStart
;
404 if (jitter
<= -DSoundRenderer_Max_Fill
)
405 jitter
+= DSoundRenderer_Max_Fill
;
408 q
.Type
= (jitter
> 0 ? Famine
: Flood
);
411 q
.TimeStamp
= tStart
;
412 IQualityControl_Notify((IQualityControl
*)This
->renderer
.qcimpl
, (IBaseFilter
*)This
, q
);
417 static HRESULT WINAPI
DSoundRender_CheckMediaType(BaseRenderer
*iface
, const AM_MEDIA_TYPE
* pmt
)
419 WAVEFORMATEX
* format
;
421 if (!IsEqualIID(&pmt
->majortype
, &MEDIATYPE_Audio
))
424 format
= (WAVEFORMATEX
*)pmt
->pbFormat
;
425 TRACE("Format = %p\n", format
);
426 TRACE("wFormatTag = %x %x\n", format
->wFormatTag
, WAVE_FORMAT_PCM
);
427 TRACE("nChannels = %d\n", format
->nChannels
);
428 TRACE("nSamplesPerSec = %d\n", format
->nAvgBytesPerSec
);
429 TRACE("nAvgBytesPerSec = %d\n", format
->nAvgBytesPerSec
);
430 TRACE("nBlockAlign = %d\n", format
->nBlockAlign
);
431 TRACE("wBitsPerSample = %d\n", format
->wBitsPerSample
);
433 if (!IsEqualIID(&pmt
->subtype
, &MEDIASUBTYPE_PCM
))
439 static VOID WINAPI
DSoundRender_OnStopStreaming(BaseRenderer
* iface
)
441 DSoundRenderImpl
*This
= impl_from_BaseRenderer(iface
);
443 TRACE("(%p/%p)->()\n", This
, iface
);
445 IDirectSoundBuffer_Stop(This
->dsbuffer
);
446 This
->writepos
= This
->buf_size
;
447 SetEvent(This
->blocked
);
450 static VOID WINAPI
DSoundRender_OnStartStreaming(BaseRenderer
* iface
)
452 DSoundRenderImpl
*This
= impl_from_BaseRenderer(iface
);
454 TRACE("(%p)\n", This
);
456 if (This
->renderer
.pInputPin
->pin
.pConnectedTo
)
458 if (This
->renderer
.filter
.state
== State_Paused
)
460 /* Unblock our thread, state changing from paused to running doesn't need a reset for state change */
461 SetEvent(This
->blocked
);
463 IDirectSoundBuffer_Play(This
->dsbuffer
, 0, 0, DSBPLAY_LOOPING
);
464 ResetEvent(This
->blocked
);
468 static HRESULT WINAPI
DSoundRender_CompleteConnect(BaseRenderer
* iface
, IPin
* pReceivePin
)
470 DSoundRenderImpl
*This
= impl_from_BaseRenderer(iface
);
471 const AM_MEDIA_TYPE
* pmt
= &This
->renderer
.pInputPin
->pin
.mtCurrent
;
473 WAVEFORMATEX
*format
;
474 DSBUFFERDESC buf_desc
;
476 TRACE("(%p)->(%p)\n", This
, pReceivePin
);
477 dump_AM_MEDIA_TYPE(pmt
);
479 TRACE("MajorType %s\n", debugstr_guid(&pmt
->majortype
));
480 TRACE("SubType %s\n", debugstr_guid(&pmt
->subtype
));
481 TRACE("Format %s\n", debugstr_guid(&pmt
->formattype
));
482 TRACE("Size %d\n", pmt
->cbFormat
);
484 format
= (WAVEFORMATEX
*)pmt
->pbFormat
;
486 This
->buf_size
= format
->nAvgBytesPerSec
;
488 memset(&buf_desc
,0,sizeof(DSBUFFERDESC
));
489 buf_desc
.dwSize
= sizeof(DSBUFFERDESC
);
490 buf_desc
.dwFlags
= DSBCAPS_CTRLVOLUME
| DSBCAPS_CTRLPAN
|
491 DSBCAPS_CTRLFREQUENCY
| DSBCAPS_GLOBALFOCUS
|
492 DSBCAPS_GETCURRENTPOSITION2
;
493 buf_desc
.dwBufferBytes
= This
->buf_size
;
494 buf_desc
.lpwfxFormat
= format
;
495 hr
= IDirectSound_CreateSoundBuffer(This
->dsound
, &buf_desc
, &This
->dsbuffer
, NULL
);
496 This
->writepos
= This
->buf_size
;
498 ERR("Can't create sound buffer (%x)\n", hr
);
502 hr
= IDirectSoundBuffer_SetVolume(This
->dsbuffer
, This
->volume
);
504 ERR("Can't set volume to %d (%x)\n", This
->volume
, hr
);
506 hr
= IDirectSoundBuffer_SetPan(This
->dsbuffer
, This
->pan
);
508 ERR("Can't set pan to %d (%x)\n", This
->pan
, hr
);
512 if (FAILED(hr
) && hr
!= VFW_E_ALREADY_CONNECTED
)
515 IDirectSoundBuffer_Release(This
->dsbuffer
);
516 This
->dsbuffer
= NULL
;
522 static HRESULT WINAPI
DSoundRender_BreakConnect(BaseRenderer
* iface
)
524 DSoundRenderImpl
*This
= impl_from_BaseRenderer(iface
);
526 TRACE("(%p)->()\n", iface
);
528 if (This
->threadid
) {
529 PostThreadMessageW(This
->threadid
, WM_APP
, 0, 0);
530 WaitForSingleObject(This
->advisethread
, INFINITE
);
531 CloseHandle(This
->advisethread
);
534 IDirectSoundBuffer_Release(This
->dsbuffer
);
535 This
->dsbuffer
= NULL
;
540 static HRESULT WINAPI
DSoundRender_EndOfStream(BaseRenderer
* iface
)
542 DSoundRenderImpl
*This
= impl_from_BaseRenderer(iface
);
545 TRACE("(%p)->()\n",iface
);
547 hr
= BaseRendererImpl_EndOfStream(iface
);
554 hr
= DSoundRender_HandleEndOfStream(This
);
559 static HRESULT WINAPI
DSoundRender_BeginFlush(BaseRenderer
* iface
)
561 DSoundRenderImpl
*This
= impl_from_BaseRenderer(iface
);
564 BaseRendererImpl_BeginFlush(iface
);
565 SetEvent(This
->blocked
);
570 static HRESULT WINAPI
DSoundRender_EndFlush(BaseRenderer
* iface
)
572 DSoundRenderImpl
*This
= impl_from_BaseRenderer(iface
);
576 BaseRendererImpl_EndFlush(iface
);
577 if (This
->renderer
.filter
.state
!= State_Stopped
)
578 ResetEvent(This
->blocked
);
586 IDirectSoundBuffer_Lock(This
->dsbuffer
, 0, 0, (LPVOID
*)&buffer
, &size
, NULL
, NULL
, DSBLOCK_ENTIREBUFFER
);
587 memset(buffer
, 0, size
);
588 IDirectSoundBuffer_Unlock(This
->dsbuffer
, buffer
, size
, NULL
, 0);
589 This
->writepos
= This
->buf_size
;
595 static const BaseRendererFuncTable BaseFuncTable
= {
596 DSoundRender_CheckMediaType
,
597 DSoundRender_DoRenderSample
,
602 DSoundRender_OnStartStreaming
,
603 DSoundRender_OnStopStreaming
,
607 DSoundRender_ShouldDrawSampleNow
,
608 DSoundRender_PrepareReceive
,
610 DSoundRender_CompleteConnect
,
611 DSoundRender_BreakConnect
,
612 DSoundRender_EndOfStream
,
613 DSoundRender_BeginFlush
,
614 DSoundRender_EndFlush
,
617 HRESULT
DSoundRender_create(IUnknown
* pUnkOuter
, LPVOID
* ppv
)
620 DSoundRenderImpl
* pDSoundRender
;
622 TRACE("(%p, %p)\n", pUnkOuter
, ppv
);
627 return CLASS_E_NOAGGREGATION
;
629 pDSoundRender
= CoTaskMemAlloc(sizeof(DSoundRenderImpl
));
631 return E_OUTOFMEMORY
;
632 ZeroMemory(pDSoundRender
, sizeof(DSoundRenderImpl
));
634 hr
= BaseRenderer_Init(&pDSoundRender
->renderer
, &DSoundRender_Vtbl
, (IUnknown
*)pDSoundRender
, &CLSID_DSoundRender
, (DWORD_PTR
)(__FILE__
": DSoundRenderImpl.csFilter"), &BaseFuncTable
);
636 BasicAudio_Init(&pDSoundRender
->basicAudio
,&IBasicAudio_Vtbl
);
637 pDSoundRender
->IReferenceClock_iface
.lpVtbl
= &IReferenceClock_Vtbl
;
638 pDSoundRender
->IAMDirectSound_iface
.lpVtbl
= &IAMDirectSound_Vtbl
;
639 pDSoundRender
->IAMFilterMiscFlags_iface
.lpVtbl
= &IAMFilterMiscFlags_Vtbl
;
643 hr
= DirectSoundCreate8(NULL
, &pDSoundRender
->dsound
, NULL
);
645 ERR("Cannot create Direct Sound object (%x)\n", hr
);
647 hr
= IDirectSound_SetCooperativeLevel(pDSoundRender
->dsound
, GetDesktopWindow(), DSSCL_PRIORITY
);
649 IDirectSoundBuffer
*buf
;
650 DSBUFFERDESC buf_desc
;
651 memset(&buf_desc
,0,sizeof(DSBUFFERDESC
));
652 buf_desc
.dwSize
= sizeof(DSBUFFERDESC
);
653 buf_desc
.dwFlags
= DSBCAPS_PRIMARYBUFFER
;
654 hr
= IDirectSound_CreateSoundBuffer(pDSoundRender
->dsound
, &buf_desc
, &buf
, NULL
);
656 IDirectSoundBuffer_Play(buf
, 0, 0, DSBPLAY_LOOPING
);
657 IUnknown_Release(buf
);
665 pDSoundRender
->blocked
= CreateEventW(NULL
, TRUE
, TRUE
, NULL
);
667 if (!pDSoundRender
->blocked
|| FAILED(hr
))
669 IUnknown_Release((IUnknown
*)pDSoundRender
);
670 return HRESULT_FROM_WIN32(GetLastError());
673 *ppv
= pDSoundRender
;
677 BaseRendererImpl_Release(&pDSoundRender
->renderer
.filter
.IBaseFilter_iface
);
678 CoTaskMemFree(pDSoundRender
);
684 static HRESULT WINAPI
DSoundRender_QueryInterface(IBaseFilter
* iface
, REFIID riid
, LPVOID
* ppv
)
686 DSoundRenderImpl
*This
= impl_from_IBaseFilter(iface
);
687 TRACE("(%p, %p)->(%s, %p)\n", This
, iface
, qzdebugstr_guid(riid
), ppv
);
691 if (IsEqualIID(riid
, &IID_IBasicAudio
))
692 *ppv
= &This
->basicAudio
.IBasicAudio_iface
;
693 else if (IsEqualIID(riid
, &IID_IReferenceClock
))
694 *ppv
= &This
->IReferenceClock_iface
;
695 else if (IsEqualIID(riid
, &IID_IAMDirectSound
))
696 *ppv
= &This
->IAMDirectSound_iface
;
697 else if (IsEqualIID(riid
, &IID_IAMFilterMiscFlags
))
698 *ppv
= &This
->IAMFilterMiscFlags_iface
;
702 hr
= BaseRendererImpl_QueryInterface(iface
, riid
, ppv
);
709 IUnknown_AddRef((IUnknown
*)(*ppv
));
713 if (!IsEqualIID(riid
, &IID_IPin
) && !IsEqualIID(riid
, &IID_IVideoWindow
))
714 FIXME("No interface for %s!\n", qzdebugstr_guid(riid
));
716 return E_NOINTERFACE
;
719 static ULONG WINAPI
DSoundRender_Release(IBaseFilter
* iface
)
721 DSoundRenderImpl
*This
= impl_from_IBaseFilter(iface
);
722 ULONG refCount
= BaseRendererImpl_Release(iface
);
724 TRACE("(%p)->() Release from %d\n", This
, refCount
+ 1);
728 if (This
->threadid
) {
729 PostThreadMessageW(This
->threadid
, WM_APP
, 0, 0);
730 WaitForSingleObject(This
->advisethread
, INFINITE
);
731 CloseHandle(This
->advisethread
);
735 IDirectSoundBuffer_Release(This
->dsbuffer
);
736 This
->dsbuffer
= NULL
;
738 IDirectSound_Release(This
->dsound
);
741 BasicAudio_Destroy(&This
->basicAudio
);
742 CloseHandle(This
->blocked
);
744 TRACE("Destroying Audio Renderer\n");
753 static HRESULT WINAPI
DSoundRender_Pause(IBaseFilter
* iface
)
756 DSoundRenderImpl
*This
= (DSoundRenderImpl
*)iface
;
758 TRACE("(%p/%p)->()\n", This
, iface
);
760 EnterCriticalSection(&This
->renderer
.csRenderLock
);
761 if (This
->renderer
.filter
.state
!= State_Paused
)
763 if (This
->renderer
.filter
.state
== State_Stopped
)
765 if (This
->renderer
.pInputPin
->pin
.pConnectedTo
)
766 ResetEvent(This
->renderer
.evComplete
);
767 This
->renderer
.pInputPin
->end_of_stream
= 0;
770 hr
= IDirectSoundBuffer_Stop(This
->dsbuffer
);
772 This
->renderer
.filter
.state
= State_Paused
;
774 ResetEvent(This
->blocked
);
775 ResetEvent(This
->renderer
.RenderEvent
);
777 ResetEvent(This
->renderer
.ThreadSignal
);
778 LeaveCriticalSection(&This
->renderer
.csRenderLock
);
783 static const IBaseFilterVtbl DSoundRender_Vtbl
=
785 DSoundRender_QueryInterface
,
786 BaseFilterImpl_AddRef
,
787 DSoundRender_Release
,
788 BaseFilterImpl_GetClassID
,
789 BaseRendererImpl_Stop
,
791 BaseRendererImpl_Run
,
792 BaseRendererImpl_GetState
,
793 BaseRendererImpl_SetSyncSource
,
794 BaseFilterImpl_GetSyncSource
,
795 BaseFilterImpl_EnumPins
,
796 BaseRendererImpl_FindPin
,
797 BaseFilterImpl_QueryFilterInfo
,
798 BaseFilterImpl_JoinFilterGraph
,
799 BaseFilterImpl_QueryVendorInfo
802 /*** IUnknown methods ***/
803 static HRESULT WINAPI
Basicaudio_QueryInterface(IBasicAudio
*iface
,
806 DSoundRenderImpl
*This
= impl_from_IBasicAudio(iface
);
808 TRACE("(%p/%p)->(%s (%p), %p)\n", This
, iface
, debugstr_guid(riid
), riid
, ppvObj
);
810 return DSoundRender_QueryInterface(&This
->renderer
.filter
.IBaseFilter_iface
, riid
, ppvObj
);
813 static ULONG WINAPI
Basicaudio_AddRef(IBasicAudio
*iface
) {
814 DSoundRenderImpl
*This
= impl_from_IBasicAudio(iface
);
816 TRACE("(%p/%p)->()\n", This
, iface
);
818 return BaseFilterImpl_AddRef(&This
->renderer
.filter
.IBaseFilter_iface
);
821 static ULONG WINAPI
Basicaudio_Release(IBasicAudio
*iface
) {
822 DSoundRenderImpl
*This
= impl_from_IBasicAudio(iface
);
824 TRACE("(%p/%p)->()\n", This
, iface
);
826 return DSoundRender_Release(&This
->renderer
.filter
.IBaseFilter_iface
);
829 /*** IBasicAudio methods ***/
830 static HRESULT WINAPI
Basicaudio_put_Volume(IBasicAudio
*iface
,
832 DSoundRenderImpl
*This
= impl_from_IBasicAudio(iface
);
834 TRACE("(%p/%p)->(%d)\n", This
, iface
, lVolume
);
836 if (lVolume
> DSBVOLUME_MAX
|| lVolume
< DSBVOLUME_MIN
)
839 if (This
->dsbuffer
) {
840 if (FAILED(IDirectSoundBuffer_SetVolume(This
->dsbuffer
, lVolume
)))
844 This
->volume
= lVolume
;
848 static HRESULT WINAPI
Basicaudio_get_Volume(IBasicAudio
*iface
,
850 DSoundRenderImpl
*This
= impl_from_IBasicAudio(iface
);
852 TRACE("(%p/%p)->(%p)\n", This
, iface
, plVolume
);
857 *plVolume
= This
->volume
;
861 static HRESULT WINAPI
Basicaudio_put_Balance(IBasicAudio
*iface
,
863 DSoundRenderImpl
*This
= impl_from_IBasicAudio(iface
);
865 TRACE("(%p/%p)->(%d)\n", This
, iface
, lBalance
);
867 if (lBalance
< DSBPAN_LEFT
|| lBalance
> DSBPAN_RIGHT
)
870 if (This
->dsbuffer
) {
871 if (FAILED(IDirectSoundBuffer_SetPan(This
->dsbuffer
, lBalance
)))
875 This
->pan
= lBalance
;
879 static HRESULT WINAPI
Basicaudio_get_Balance(IBasicAudio
*iface
,
881 DSoundRenderImpl
*This
= impl_from_IBasicAudio(iface
);
883 TRACE("(%p/%p)->(%p)\n", This
, iface
, plBalance
);
888 *plBalance
= This
->pan
;
892 static const IBasicAudioVtbl IBasicAudio_Vtbl
=
894 Basicaudio_QueryInterface
,
897 BasicAudioImpl_GetTypeInfoCount
,
898 BasicAudioImpl_GetTypeInfo
,
899 BasicAudioImpl_GetIDsOfNames
,
900 BasicAudioImpl_Invoke
,
901 Basicaudio_put_Volume
,
902 Basicaudio_get_Volume
,
903 Basicaudio_put_Balance
,
904 Basicaudio_get_Balance
907 struct dsoundrender_timer
{
908 struct dsoundrender_timer
*next
;
909 REFERENCE_TIME start
;
910 REFERENCE_TIME periodicity
;
914 static LONG cookie_counter
= 1;
916 static DWORD WINAPI
DSoundAdviseThread(LPVOID lpParam
) {
917 DSoundRenderImpl
*This
= lpParam
;
918 struct dsoundrender_timer head
= { };
921 TRACE("(%p): Main Loop\n", This
);
923 PeekMessageW(&msg
, NULL
, WM_USER
, WM_USER
, PM_NOREMOVE
);
924 SetEvent(This
->thread_wait
);
929 REFERENCE_TIME curtime
= 0;
931 struct dsoundrender_timer
*prev
= &head
, *cur
;
933 hr
= IReferenceClock_GetTime(&This
->IReferenceClock_iface
, &curtime
);
935 FIXME("Could not get time: %08x\n", hr
);
938 TRACE("Time: %s\n", wine_dbgstr_longlong(curtime
));
941 if (cur
->start
> curtime
) {
942 TRACE("Skipping %p\n", cur
);
944 } else if (cur
->periodicity
) {
945 while (cur
->start
<= curtime
) {
946 cur
->start
+= cur
->periodicity
;
947 ReleaseSemaphore(cur
->handle
, 1, NULL
);
951 struct dsoundrender_timer
*next
= cur
->next
;
952 TRACE("Firing %p %s < %s\n", cur
, wine_dbgstr_longlong(cur
->start
), wine_dbgstr_longlong(curtime
));
953 SetEvent(cur
->handle
);
954 HeapFree(GetProcessHeap(), 0, cur
);
959 ret
= GetMessageW(&msg
, INVALID_HANDLE_VALUE
, WM_APP
, WM_APP
+ 4);
961 ret
= PeekMessageW(&msg
, INVALID_HANDLE_VALUE
, WM_APP
, WM_APP
+ 4, PM_REMOVE
);
963 switch (LOWORD(msg
.message
) - WM_APP
) {
964 case 0: TRACE("Exiting\n"); return 0;
967 struct dsoundrender_timer
*t
= (struct dsoundrender_timer
*)msg
.wParam
;
968 if (LOWORD(msg
.message
) - WM_APP
== 1)
969 TRACE("Adding one-shot timer %p\n", t
);
971 TRACE("Adding periodic timer %p\n", t
);
980 if (cur
->cookie
== msg
.wParam
) {
981 struct dsoundrender_timer
*next
= cur
->next
;
982 HeapFree(GetProcessHeap(), 0, cur
);
990 ret
= PeekMessageW(&msg
, INVALID_HANDLE_VALUE
, WM_APP
, WM_APP
+ 4, PM_REMOVE
);
992 MsgWaitForMultipleObjects(0, NULL
, 5, QS_POSTMESSAGE
, 0);
997 /*** IUnknown methods ***/
998 static HRESULT WINAPI
ReferenceClock_QueryInterface(IReferenceClock
*iface
,
1002 DSoundRenderImpl
*This
= impl_from_IReferenceClock(iface
);
1004 TRACE("(%p/%p)->(%s (%p), %p)\n", This
, iface
, debugstr_guid(riid
), riid
, ppvObj
);
1006 return DSoundRender_QueryInterface(&This
->renderer
.filter
.IBaseFilter_iface
, riid
, ppvObj
);
1009 static ULONG WINAPI
ReferenceClock_AddRef(IReferenceClock
*iface
)
1011 DSoundRenderImpl
*This
= impl_from_IReferenceClock(iface
);
1013 TRACE("(%p/%p)->()\n", This
, iface
);
1015 return BaseFilterImpl_AddRef(&This
->renderer
.filter
.IBaseFilter_iface
);
1018 static ULONG WINAPI
ReferenceClock_Release(IReferenceClock
*iface
)
1020 DSoundRenderImpl
*This
= impl_from_IReferenceClock(iface
);
1022 TRACE("(%p/%p)->()\n", This
, iface
);
1024 return DSoundRender_Release(&This
->renderer
.filter
.IBaseFilter_iface
);
1027 /*** IReferenceClock methods ***/
1028 static HRESULT WINAPI
ReferenceClock_GetTime(IReferenceClock
*iface
,
1029 REFERENCE_TIME
*pTime
)
1031 DSoundRenderImpl
*This
= impl_from_IReferenceClock(iface
);
1032 HRESULT hr
= E_FAIL
;
1034 TRACE("(%p/%p)->(%p)\n", This
, iface
, pTime
);
1038 if (This
->dsbuffer
) {
1039 DWORD writepos1
, writepos2
;
1040 EnterCriticalSection(&This
->renderer
.filter
.csFilter
);
1041 DSoundRender_UpdatePositions(This
, &writepos1
, &writepos2
);
1042 *pTime
= This
->play_time
+ time_from_pos(This
, This
->last_playpos
);
1043 LeaveCriticalSection(&This
->renderer
.filter
.csFilter
);
1047 WARN("Could not get reference time (%x)!\n", hr
);
1052 static HRESULT WINAPI
ReferenceClock_AdviseTime(IReferenceClock
*iface
,
1053 REFERENCE_TIME rtBaseTime
,
1054 REFERENCE_TIME rtStreamTime
,
1056 DWORD_PTR
*pdwAdviseCookie
)
1058 DSoundRenderImpl
*This
= impl_from_IReferenceClock(iface
);
1059 REFERENCE_TIME when
= rtBaseTime
+ rtStreamTime
;
1060 REFERENCE_TIME future
;
1061 TRACE("(%p/%p)->(%s, %s, %p, %p)\n", This
, iface
, wine_dbgstr_longlong(rtBaseTime
), wine_dbgstr_longlong(rtStreamTime
), (void*)hEvent
, pdwAdviseCookie
);
1064 return E_INVALIDARG
;
1066 if (!pdwAdviseCookie
)
1069 EnterCriticalSection(&This
->renderer
.filter
.csFilter
);
1070 future
= when
- This
->play_time
;
1071 if (!This
->threadid
&& This
->dsbuffer
) {
1072 This
->thread_wait
= CreateEventW(0, 0, 0, 0);
1073 This
->advisethread
= CreateThread(NULL
, 0, DSoundAdviseThread
, This
, 0, &This
->threadid
);
1074 WaitForSingleObject(This
->thread_wait
, INFINITE
);
1075 CloseHandle(This
->thread_wait
);
1077 LeaveCriticalSection(&This
->renderer
.filter
.csFilter
);
1078 /* If it's in the past or the next millisecond, trigger immediately */
1079 if (future
<= 10000) {
1080 SetEvent((HANDLE
)hEvent
);
1081 *pdwAdviseCookie
= 0;
1083 struct dsoundrender_timer
*t
= HeapAlloc(GetProcessHeap(), 0, sizeof(*t
));
1087 t
->handle
= (HANDLE
)hEvent
;
1088 t
->cookie
= InterlockedIncrement(&cookie_counter
);
1089 PostThreadMessageW(This
->threadid
, WM_APP
+1, (WPARAM
)t
, 0);
1090 *pdwAdviseCookie
= t
->cookie
;
1096 static HRESULT WINAPI
ReferenceClock_AdvisePeriodic(IReferenceClock
*iface
,
1097 REFERENCE_TIME rtStartTime
,
1098 REFERENCE_TIME rtPeriodTime
,
1099 HSEMAPHORE hSemaphore
,
1100 DWORD_PTR
*pdwAdviseCookie
)
1102 DSoundRenderImpl
*This
= impl_from_IReferenceClock(iface
);
1103 struct dsoundrender_timer
*t
;
1105 TRACE("(%p/%p)->(%s, %s, %p, %p)\n", This
, iface
, wine_dbgstr_longlong(rtStartTime
), wine_dbgstr_longlong(rtPeriodTime
), (void*)hSemaphore
, pdwAdviseCookie
);
1107 if (rtStartTime
<= 0 || rtPeriodTime
<= 0)
1108 return E_INVALIDARG
;
1110 if (!pdwAdviseCookie
)
1113 EnterCriticalSection(&This
->renderer
.filter
.csFilter
);
1114 if (!This
->threadid
&& This
->dsbuffer
) {
1115 This
->thread_wait
= CreateEventW(0, 0, 0, 0);
1116 This
->advisethread
= CreateThread(NULL
, 0, DSoundAdviseThread
, This
, 0, &This
->threadid
);
1117 WaitForSingleObject(This
->thread_wait
, INFINITE
);
1118 CloseHandle(This
->thread_wait
);
1120 LeaveCriticalSection(&This
->renderer
.filter
.csFilter
);
1122 t
= HeapAlloc(GetProcessHeap(), 0, sizeof(*t
));
1124 t
->start
= rtStartTime
;
1125 t
->periodicity
= rtPeriodTime
;
1126 t
->handle
= (HANDLE
)hSemaphore
;
1127 t
->cookie
= InterlockedIncrement(&cookie_counter
);
1128 PostThreadMessageW(This
->threadid
, WM_APP
+1, (WPARAM
)t
, 0);
1129 *pdwAdviseCookie
= t
->cookie
;
1134 static HRESULT WINAPI
ReferenceClock_Unadvise(IReferenceClock
*iface
,
1135 DWORD_PTR dwAdviseCookie
)
1137 DSoundRenderImpl
*This
= impl_from_IReferenceClock(iface
);
1139 TRACE("(%p/%p)->(%p)\n", This
, iface
, (void*)dwAdviseCookie
);
1140 if (!This
->advisethread
|| !dwAdviseCookie
)
1142 PostThreadMessageW(This
->threadid
, WM_APP
+3, dwAdviseCookie
, 0);
1146 static const IReferenceClockVtbl IReferenceClock_Vtbl
=
1148 ReferenceClock_QueryInterface
,
1149 ReferenceClock_AddRef
,
1150 ReferenceClock_Release
,
1151 ReferenceClock_GetTime
,
1152 ReferenceClock_AdviseTime
,
1153 ReferenceClock_AdvisePeriodic
,
1154 ReferenceClock_Unadvise
1157 /*** IUnknown methods ***/
1158 static HRESULT WINAPI
AMDirectSound_QueryInterface(IAMDirectSound
*iface
,
1162 DSoundRenderImpl
*This
= impl_from_IAMDirectSound(iface
);
1164 TRACE("(%p/%p)->(%s (%p), %p)\n", This
, iface
, debugstr_guid(riid
), riid
, ppvObj
);
1166 return DSoundRender_QueryInterface(&This
->renderer
.filter
.IBaseFilter_iface
, riid
, ppvObj
);
1169 static ULONG WINAPI
AMDirectSound_AddRef(IAMDirectSound
*iface
)
1171 DSoundRenderImpl
*This
= impl_from_IAMDirectSound(iface
);
1173 TRACE("(%p/%p)->()\n", This
, iface
);
1175 return BaseFilterImpl_AddRef(&This
->renderer
.filter
.IBaseFilter_iface
);
1178 static ULONG WINAPI
AMDirectSound_Release(IAMDirectSound
*iface
)
1180 DSoundRenderImpl
*This
= impl_from_IAMDirectSound(iface
);
1182 TRACE("(%p/%p)->()\n", This
, iface
);
1184 return DSoundRender_Release(&This
->renderer
.filter
.IBaseFilter_iface
);
1187 /*** IAMDirectSound methods ***/
1188 static HRESULT WINAPI
AMDirectSound_GetDirectSoundInterface(IAMDirectSound
*iface
, IDirectSound
**ds
)
1190 DSoundRenderImpl
*This
= impl_from_IAMDirectSound(iface
);
1192 FIXME("(%p/%p)->(%p): stub\n", This
, iface
, ds
);
1197 static HRESULT WINAPI
AMDirectSound_GetPrimaryBufferInterface(IAMDirectSound
*iface
, IDirectSoundBuffer
**buf
)
1199 DSoundRenderImpl
*This
= impl_from_IAMDirectSound(iface
);
1201 FIXME("(%p/%p)->(%p): stub\n", This
, iface
, buf
);
1206 static HRESULT WINAPI
AMDirectSound_GetSecondaryBufferInterface(IAMDirectSound
*iface
, IDirectSoundBuffer
**buf
)
1208 DSoundRenderImpl
*This
= impl_from_IAMDirectSound(iface
);
1210 FIXME("(%p/%p)->(%p): stub\n", This
, iface
, buf
);
1215 static HRESULT WINAPI
AMDirectSound_ReleaseDirectSoundInterface(IAMDirectSound
*iface
, IDirectSound
*ds
)
1217 DSoundRenderImpl
*This
= impl_from_IAMDirectSound(iface
);
1219 FIXME("(%p/%p)->(%p): stub\n", This
, iface
, ds
);
1224 static HRESULT WINAPI
AMDirectSound_ReleasePrimaryBufferInterface(IAMDirectSound
*iface
, IDirectSoundBuffer
*buf
)
1226 DSoundRenderImpl
*This
= impl_from_IAMDirectSound(iface
);
1228 FIXME("(%p/%p)->(%p): stub\n", This
, iface
, buf
);
1233 static HRESULT WINAPI
AMDirectSound_ReleaseSecondaryBufferInterface(IAMDirectSound
*iface
, IDirectSoundBuffer
*buf
)
1235 DSoundRenderImpl
*This
= impl_from_IAMDirectSound(iface
);
1237 FIXME("(%p/%p)->(%p): stub\n", This
, iface
, buf
);
1242 static HRESULT WINAPI
AMDirectSound_SetFocusWindow(IAMDirectSound
*iface
, HWND hwnd
, BOOL bgsilent
)
1244 DSoundRenderImpl
*This
= impl_from_IAMDirectSound(iface
);
1246 FIXME("(%p/%p)->(%p,%d): stub\n", This
, iface
, hwnd
, bgsilent
);
1251 static HRESULT WINAPI
AMDirectSound_GetFocusWindow(IAMDirectSound
*iface
, HWND hwnd
)
1253 DSoundRenderImpl
*This
= impl_from_IAMDirectSound(iface
);
1255 FIXME("(%p/%p)->(%p): stub\n", This
, iface
, hwnd
);
1260 static const IAMDirectSoundVtbl IAMDirectSound_Vtbl
=
1262 AMDirectSound_QueryInterface
,
1263 AMDirectSound_AddRef
,
1264 AMDirectSound_Release
,
1265 AMDirectSound_GetDirectSoundInterface
,
1266 AMDirectSound_GetPrimaryBufferInterface
,
1267 AMDirectSound_GetSecondaryBufferInterface
,
1268 AMDirectSound_ReleaseDirectSoundInterface
,
1269 AMDirectSound_ReleasePrimaryBufferInterface
,
1270 AMDirectSound_ReleaseSecondaryBufferInterface
,
1271 AMDirectSound_SetFocusWindow
,
1272 AMDirectSound_GetFocusWindow
1275 static HRESULT WINAPI
AMFilterMiscFlags_QueryInterface(IAMFilterMiscFlags
*iface
, REFIID riid
, void **ppv
) {
1276 DSoundRenderImpl
*This
= impl_from_IAMFilterMiscFlags(iface
);
1277 return IUnknown_QueryInterface((IUnknown
*)This
, riid
, ppv
);
1280 static ULONG WINAPI
AMFilterMiscFlags_AddRef(IAMFilterMiscFlags
*iface
) {
1281 DSoundRenderImpl
*This
= impl_from_IAMFilterMiscFlags(iface
);
1282 return IUnknown_AddRef((IUnknown
*)This
);
1285 static ULONG WINAPI
AMFilterMiscFlags_Release(IAMFilterMiscFlags
*iface
) {
1286 DSoundRenderImpl
*This
= impl_from_IAMFilterMiscFlags(iface
);
1287 return IUnknown_Release((IUnknown
*)This
);
1290 static ULONG WINAPI
AMFilterMiscFlags_GetMiscFlags(IAMFilterMiscFlags
*iface
) {
1291 return AM_FILTER_MISC_FLAGS_IS_RENDERER
;
1294 static const IAMFilterMiscFlagsVtbl IAMFilterMiscFlags_Vtbl
= {
1295 AMFilterMiscFlags_QueryInterface
,
1296 AMFilterMiscFlags_AddRef
,
1297 AMFilterMiscFlags_Release
,
1298 AMFilterMiscFlags_GetMiscFlags