mmdevapi: Fix stuttering upon start and underrun.
[wine/multimedia.git] / dlls / winealsa.drv / mmdevdrv.c
blob15146f59476175a8193707d1d0fb2f8214a27864
1 /*
2 * Copyright 2010 Maarten Lankhorst for CodeWeavers
3 * Copyright 2011 Andrew Eikum for CodeWeavers
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 #define NONAMELESSUNION
21 #define COBJMACROS
22 #include "config.h"
24 #include <stdarg.h>
25 #include <math.h>
27 #include "windef.h"
28 #include "winbase.h"
29 #include "winnls.h"
30 #include "winreg.h"
31 #include "wine/debug.h"
32 #include "wine/unicode.h"
33 #include "wine/list.h"
35 #include "ole2.h"
36 #include "mmdeviceapi.h"
37 #include "devpkey.h"
38 #include "dshow.h"
39 #include "dsound.h"
40 #include "endpointvolume.h"
42 #include "initguid.h"
43 #include "audioclient.h"
44 #include "audiopolicy.h"
45 #include "dsdriver.h"
47 #include <alsa/asoundlib.h>
49 WINE_DEFAULT_DEBUG_CHANNEL(alsa);
50 WINE_DECLARE_DEBUG_CHANNEL(winediag);
52 #define NULL_PTR_ERR MAKE_HRESULT(SEVERITY_ERROR, FACILITY_WIN32, RPC_X_NULL_REF_POINTER)
54 static const REFERENCE_TIME DefaultPeriod = 200000;
55 static const REFERENCE_TIME MinimumPeriod = 100000;
57 struct ACImpl;
58 typedef struct ACImpl ACImpl;
60 typedef struct _AudioSession {
61 GUID guid;
62 struct list clients;
64 IMMDevice *device;
66 float master_vol;
67 UINT32 channel_count;
68 float *channel_vols;
69 BOOL mute;
71 CRITICAL_SECTION lock;
73 struct list entry;
74 } AudioSession;
76 typedef struct _AudioSessionWrapper {
77 IAudioSessionControl2 IAudioSessionControl2_iface;
78 IChannelAudioVolume IChannelAudioVolume_iface;
79 ISimpleAudioVolume ISimpleAudioVolume_iface;
81 LONG ref;
83 ACImpl *client;
84 AudioSession *session;
85 } AudioSessionWrapper;
87 struct ACImpl {
88 IAudioClient IAudioClient_iface;
89 IAudioRenderClient IAudioRenderClient_iface;
90 IAudioCaptureClient IAudioCaptureClient_iface;
91 IAudioClock IAudioClock_iface;
92 IAudioClock2 IAudioClock2_iface;
93 IAudioStreamVolume IAudioStreamVolume_iface;
95 LONG ref;
97 snd_pcm_t *pcm_handle;
98 snd_pcm_uframes_t period_alsa, bufsize_alsa;
99 snd_pcm_hw_params_t *hw_params; /* does not hold state between calls */
100 snd_pcm_format_t alsa_format;
102 IMMDevice *parent;
104 EDataFlow dataflow;
105 WAVEFORMATEX *fmt;
106 DWORD flags;
107 AUDCLNT_SHAREMODE share;
108 HANDLE event;
109 float *vols;
111 BOOL initted, started;
112 UINT64 written_frames;
113 UINT32 bufsize_frames, held_frames, tmp_buffer_frames, period_us;
114 UINT32 lcl_offs_frames; /* offs into local_buffer where valid data starts */
116 HANDLE timer;
117 BYTE *local_buffer, *tmp_buffer;
118 int buf_state;
120 CRITICAL_SECTION lock;
122 AudioSession *session;
123 AudioSessionWrapper *session_wrapper;
125 struct list entry;
128 enum BufferStates {
129 NOT_LOCKED = 0,
130 LOCKED_NORMAL, /* public buffer piece is from local_buffer */
131 LOCKED_WRAPPED /* public buffer piece is wrapped around, in tmp_buffer */
134 typedef struct _SessionMgr {
135 IAudioSessionManager2 IAudioSessionManager2_iface;
137 LONG ref;
139 IMMDevice *device;
140 } SessionMgr;
142 static HANDLE g_timer_q;
144 static CRITICAL_SECTION g_sessions_lock;
145 static struct list g_sessions = LIST_INIT(g_sessions);
147 static const WCHAR defaultW[] = {'d','e','f','a','u','l','t',0};
148 static const char defname[] = "default";
150 static const IAudioClientVtbl AudioClient_Vtbl;
151 static const IAudioRenderClientVtbl AudioRenderClient_Vtbl;
152 static const IAudioCaptureClientVtbl AudioCaptureClient_Vtbl;
153 static const IAudioSessionControl2Vtbl AudioSessionControl2_Vtbl;
154 static const ISimpleAudioVolumeVtbl SimpleAudioVolume_Vtbl;
155 static const IAudioClockVtbl AudioClock_Vtbl;
156 static const IAudioClock2Vtbl AudioClock2_Vtbl;
157 static const IAudioStreamVolumeVtbl AudioStreamVolume_Vtbl;
158 static const IChannelAudioVolumeVtbl ChannelAudioVolume_Vtbl;
159 static const IAudioSessionManager2Vtbl AudioSessionManager2_Vtbl;
161 int wine_snd_pcm_recover(snd_pcm_t *pcm, int err, int silent);
162 static AudioSessionWrapper *AudioSessionWrapper_Create(ACImpl *client);
164 static inline ACImpl *impl_from_IAudioClient(IAudioClient *iface)
166 return CONTAINING_RECORD(iface, ACImpl, IAudioClient_iface);
169 static inline ACImpl *impl_from_IAudioRenderClient(IAudioRenderClient *iface)
171 return CONTAINING_RECORD(iface, ACImpl, IAudioRenderClient_iface);
174 static inline ACImpl *impl_from_IAudioCaptureClient(IAudioCaptureClient *iface)
176 return CONTAINING_RECORD(iface, ACImpl, IAudioCaptureClient_iface);
179 static inline AudioSessionWrapper *impl_from_IAudioSessionControl2(IAudioSessionControl2 *iface)
181 return CONTAINING_RECORD(iface, AudioSessionWrapper, IAudioSessionControl2_iface);
184 static inline AudioSessionWrapper *impl_from_ISimpleAudioVolume(ISimpleAudioVolume *iface)
186 return CONTAINING_RECORD(iface, AudioSessionWrapper, ISimpleAudioVolume_iface);
189 static inline AudioSessionWrapper *impl_from_IChannelAudioVolume(IChannelAudioVolume *iface)
191 return CONTAINING_RECORD(iface, AudioSessionWrapper, IChannelAudioVolume_iface);
194 static inline ACImpl *impl_from_IAudioClock(IAudioClock *iface)
196 return CONTAINING_RECORD(iface, ACImpl, IAudioClock_iface);
199 static inline ACImpl *impl_from_IAudioClock2(IAudioClock2 *iface)
201 return CONTAINING_RECORD(iface, ACImpl, IAudioClock2_iface);
204 static inline ACImpl *impl_from_IAudioStreamVolume(IAudioStreamVolume *iface)
206 return CONTAINING_RECORD(iface, ACImpl, IAudioStreamVolume_iface);
209 static inline SessionMgr *impl_from_IAudioSessionManager2(IAudioSessionManager2 *iface)
211 return CONTAINING_RECORD(iface, SessionMgr, IAudioSessionManager2_iface);
214 BOOL WINAPI DllMain(HINSTANCE dll, DWORD reason, void *reserved)
216 if(reason == DLL_PROCESS_ATTACH){
217 g_timer_q = CreateTimerQueue();
218 if(!g_timer_q)
219 return FALSE;
221 InitializeCriticalSection(&g_sessions_lock);
224 return TRUE;
227 /* From <dlls/mmdevapi/mmdevapi.h> */
228 enum DriverPriority {
229 Priority_Unavailable = 0,
230 Priority_Low,
231 Priority_Neutral,
232 Priority_Preferred
235 int WINAPI AUDDRV_GetPriority(void)
237 return Priority_Neutral;
240 static BOOL alsa_try_open(const char *devnode, snd_pcm_stream_t stream)
242 snd_pcm_t *handle;
243 int err;
245 if((err = snd_pcm_open(&handle, devnode, stream, SND_PCM_NONBLOCK)) < 0){
246 WARN("The device \"%s\" failed to open: %d (%s).\n",
247 devnode, err, snd_strerror(err));
248 return FALSE;
251 snd_pcm_close(handle);
252 return TRUE;
255 static HRESULT alsa_get_card_devices(snd_pcm_stream_t stream, WCHAR **ids, char **keys,
256 UINT *num, snd_ctl_t *ctl, int card, const WCHAR *cardnameW,
257 BOOL count_failed)
259 static const WCHAR dashW[] = {' ','-',' ',0};
260 int err, device;
261 snd_pcm_info_t *info;
263 info = HeapAlloc(GetProcessHeap(), 0, snd_pcm_info_sizeof());
264 if(!info)
265 return E_OUTOFMEMORY;
267 snd_pcm_info_set_subdevice(info, 0);
268 snd_pcm_info_set_stream(info, stream);
270 device = -1;
271 for(err = snd_ctl_pcm_next_device(ctl, &device); device != -1 && err >= 0;
272 err = snd_ctl_pcm_next_device(ctl, &device)){
273 const char *devname;
274 char devnode[32];
276 snd_pcm_info_set_device(info, device);
278 if((err = snd_ctl_pcm_info(ctl, info)) < 0){
279 if(err == -ENOENT)
280 /* This device doesn't have the right stream direction */
281 continue;
283 WARN("Failed to get info for card %d, device %d: %d (%s)\n",
284 card, device, err, snd_strerror(err));
285 continue;
288 sprintf(devnode, "plughw:%d,%d", card, device);
289 if(!alsa_try_open(devnode, stream)){
290 if(count_failed)
291 ++(*num);
292 continue;
295 if(ids && keys){
296 DWORD len, cardlen;
298 devname = snd_pcm_info_get_name(info);
299 if(!devname){
300 WARN("Unable to get device name for card %d, device %d\n", card,
301 device);
302 continue;
305 cardlen = lstrlenW(cardnameW);
306 len = MultiByteToWideChar(CP_UNIXCP, 0, devname, -1, NULL, 0);
307 len += lstrlenW(dashW);
308 len += cardlen;
309 ids[*num] = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
310 if(!ids[*num]){
311 HeapFree(GetProcessHeap(), 0, info);
312 return E_OUTOFMEMORY;
314 memcpy(ids[*num], cardnameW, cardlen * sizeof(WCHAR));
315 memcpy(ids[*num] + cardlen, dashW, lstrlenW(dashW) * sizeof(WCHAR));
316 cardlen += lstrlenW(dashW);
317 MultiByteToWideChar(CP_UNIXCP, 0, devname, -1, ids[*num] + cardlen,
318 len - cardlen);
320 keys[*num] = HeapAlloc(GetProcessHeap(), 0, 32);
321 if(!keys[*num]){
322 HeapFree(GetProcessHeap(), 0, info);
323 HeapFree(GetProcessHeap(), 0, ids[*num]);
324 return E_OUTOFMEMORY;
326 memcpy(keys[*num], devnode, sizeof(devnode));
329 ++(*num);
332 HeapFree(GetProcessHeap(), 0, info);
334 if(err != 0)
335 WARN("Got a failure during device enumeration on card %d: %d (%s)\n",
336 card, err, snd_strerror(err));
338 return S_OK;
341 static HRESULT alsa_enum_devices(EDataFlow flow, WCHAR **ids, char **keys,
342 UINT *num, BOOL count_failed)
344 snd_pcm_stream_t stream = (flow == eRender ? SND_PCM_STREAM_PLAYBACK :
345 SND_PCM_STREAM_CAPTURE);
346 int err, card;
348 card = -1;
349 *num = 0;
351 if(alsa_try_open(defname, stream)){
352 if(ids && keys){
353 *ids = HeapAlloc(GetProcessHeap(), 0, sizeof(defaultW));
354 memcpy(*ids, defaultW, sizeof(defaultW));
355 *keys = HeapAlloc(GetProcessHeap(), 0, sizeof(defname));
356 memcpy(*keys, defname, sizeof(defname));
358 ++*num;
359 }else if(count_failed)
360 ++*num;
362 for(err = snd_card_next(&card); card != -1 && err >= 0;
363 err = snd_card_next(&card)){
364 char cardpath[64];
365 const char *cardname;
366 WCHAR *cardnameW;
367 snd_ctl_t *ctl;
368 DWORD len;
370 sprintf(cardpath, "hw:%u", card);
372 if((err = snd_ctl_open(&ctl, cardpath, 0)) < 0){
373 WARN("Unable to open ctl for ALSA device %s: %d (%s)\n", cardpath,
374 err, snd_strerror(err));
375 continue;
378 if((err = snd_card_get_name(card, (char **)&cardname)) < 0){
379 WARN("Unable to get card name for ALSA device %s: %d (%s)\n",
380 cardpath, err, snd_strerror(err));
381 /* FIXME: Should be localized */
382 cardname = "Unknown soundcard";
385 len = MultiByteToWideChar(CP_UNIXCP, 0, cardname, -1, NULL, 0);
386 cardnameW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
387 if(!cardnameW){
388 snd_ctl_close(ctl);
389 return E_OUTOFMEMORY;
391 MultiByteToWideChar(CP_UNIXCP, 0, cardname, -1, cardnameW, len);
393 alsa_get_card_devices(stream, ids, keys, num, ctl, card, cardnameW,
394 count_failed);
396 HeapFree(GetProcessHeap(), 0, cardnameW);
398 snd_ctl_close(ctl);
401 if(err != 0)
402 WARN("Got a failure during card enumeration: %d (%s)\n",
403 err, snd_strerror(err));
405 return S_OK;
408 HRESULT WINAPI AUDDRV_GetEndpointIDs(EDataFlow flow, WCHAR ***ids, char ***keys,
409 UINT *num, UINT *def_index)
411 HRESULT hr;
413 TRACE("%d %p %p %p %p\n", flow, ids, keys, num, def_index);
415 hr = alsa_enum_devices(flow, NULL, NULL, num, TRUE);
416 if(FAILED(hr))
417 return hr;
419 if(*num == 0)
421 *ids = NULL;
422 *keys = NULL;
423 return S_OK;
426 *ids = HeapAlloc(GetProcessHeap(), 0, *num * sizeof(WCHAR *));
427 *keys = HeapAlloc(GetProcessHeap(), 0, *num * sizeof(char *));
428 if(!*ids || !*keys){
429 HeapFree(GetProcessHeap(), 0, *ids);
430 HeapFree(GetProcessHeap(), 0, *keys);
431 return E_OUTOFMEMORY;
434 *def_index = 0;
436 hr = alsa_enum_devices(flow, *ids, *keys, num, FALSE);
437 if(FAILED(hr)){
438 int i;
439 for(i = 0; i < *num; ++i){
440 HeapFree(GetProcessHeap(), 0, (*ids)[i]);
441 HeapFree(GetProcessHeap(), 0, (*keys)[i]);
443 HeapFree(GetProcessHeap(), 0, *ids);
444 HeapFree(GetProcessHeap(), 0, *keys);
445 return E_OUTOFMEMORY;
448 return S_OK;
451 /* Using the pulse PCM device from alsa-plugins 1.0.24 triggers a bug
452 * which causes audio to cease playing after a few minutes of playback.
453 * Setting handle_underrun=1 on pulse-backed ALSA devices seems to work
454 * around this issue. */
455 static snd_config_t *make_handle_underrun_config(const char *name)
457 snd_config_t *lconf, *dev_node, *hu_node, *type_node;
458 char dev_node_name[64];
459 const char *type_str;
460 int err;
462 snd_config_update();
464 if((err = snd_config_copy(&lconf, snd_config)) < 0){
465 WARN("snd_config_copy failed: %d (%s)\n", err, snd_strerror(err));
466 return NULL;
469 sprintf(dev_node_name, "pcm.%s", name);
470 err = snd_config_search(lconf, dev_node_name, &dev_node);
471 if(err == -ENOENT){
472 snd_config_delete(lconf);
473 return NULL;
475 if(err < 0){
476 snd_config_delete(lconf);
477 WARN("snd_config_search failed: %d (%s)\n", err, snd_strerror(err));
478 return NULL;
481 /* ALSA is extremely fragile. If it runs into a config setting it doesn't
482 * recognize, it tends to fail or assert. So we only want to inject
483 * handle_underrun=1 on devices that we know will recognize it. */
484 err = snd_config_search(dev_node, "type", &type_node);
485 if(err == -ENOENT){
486 snd_config_delete(lconf);
487 return NULL;
489 if(err < 0){
490 snd_config_delete(lconf);
491 WARN("snd_config_search failed: %d (%s)\n", err, snd_strerror(err));
492 return NULL;
495 if((err = snd_config_get_string(type_node, &type_str)) < 0){
496 snd_config_delete(lconf);
497 return NULL;
500 if(strcmp(type_str, "pulse") != 0){
501 snd_config_delete(lconf);
502 return NULL;
505 err = snd_config_search(dev_node, "handle_underrun", &hu_node);
506 if(err >= 0){
507 /* user already has an explicit handle_underrun setting, so don't
508 * use a local config */
509 snd_config_delete(lconf);
510 return NULL;
512 if(err != -ENOENT){
513 snd_config_delete(lconf);
514 WARN("snd_config_search failed: %d (%s)\n", err, snd_strerror(err));
515 return NULL;
518 if((err = snd_config_imake_integer(&hu_node, "handle_underrun", 1)) < 0){
519 snd_config_delete(lconf);
520 WARN("snd_config_imake_integer failed: %d (%s)\n", err,
521 snd_strerror(err));
522 return NULL;
525 if((err = snd_config_add(dev_node, hu_node)) < 0){
526 snd_config_delete(lconf);
527 WARN("snd_config_add failed: %d (%s)\n", err, snd_strerror(err));
528 return NULL;
531 return lconf;
534 HRESULT WINAPI AUDDRV_GetAudioEndpoint(const char *key, IMMDevice *dev,
535 EDataFlow dataflow, IAudioClient **out)
537 ACImpl *This;
538 int err;
539 snd_pcm_stream_t stream;
540 snd_config_t *lconf;
541 static int handle_underrun = 1;
543 TRACE("\"%s\" %p %d %p\n", key, dev, dataflow, out);
545 This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(ACImpl));
546 if(!This)
547 return E_OUTOFMEMORY;
549 This->IAudioClient_iface.lpVtbl = &AudioClient_Vtbl;
550 This->IAudioRenderClient_iface.lpVtbl = &AudioRenderClient_Vtbl;
551 This->IAudioCaptureClient_iface.lpVtbl = &AudioCaptureClient_Vtbl;
552 This->IAudioClock_iface.lpVtbl = &AudioClock_Vtbl;
553 This->IAudioClock2_iface.lpVtbl = &AudioClock2_Vtbl;
554 This->IAudioStreamVolume_iface.lpVtbl = &AudioStreamVolume_Vtbl;
556 if(dataflow == eRender)
557 stream = SND_PCM_STREAM_PLAYBACK;
558 else if(dataflow == eCapture)
559 stream = SND_PCM_STREAM_CAPTURE;
560 else{
561 HeapFree(GetProcessHeap(), 0, This);
562 return E_UNEXPECTED;
565 This->dataflow = dataflow;
566 if(handle_underrun && ((lconf = make_handle_underrun_config(key)))){
567 err = snd_pcm_open_lconf(&This->pcm_handle, key, stream, SND_PCM_NONBLOCK, lconf);
568 TRACE("Opening PCM device \"%s\" with handle_underrun: %d\n", key, err);
569 snd_config_delete(lconf);
570 /* Pulse <= 2010 returns EINVAL, it does not know handle_underrun. */
571 if(err == -EINVAL){
572 ERR_(winediag)("PulseAudio \"%s\" %d without handle_underrun. Audio may hang."
573 " Please upgrade to alsa_plugins >= 1.0.24\n", key, err);
574 handle_underrun = 0;
576 }else
577 err = -EINVAL;
578 if(err == -EINVAL){
579 err = snd_pcm_open(&This->pcm_handle, key, stream, SND_PCM_NONBLOCK);
581 if(err < 0){
582 HeapFree(GetProcessHeap(), 0, This);
583 WARN("Unable to open PCM \"%s\": %d (%s)\n", key, err, snd_strerror(err));
584 return E_FAIL;
587 This->hw_params = HeapAlloc(GetProcessHeap(), 0,
588 snd_pcm_hw_params_sizeof());
589 if(!This->hw_params){
590 HeapFree(GetProcessHeap(), 0, This);
591 snd_pcm_close(This->pcm_handle);
592 return E_OUTOFMEMORY;
595 InitializeCriticalSection(&This->lock);
597 This->parent = dev;
598 IMMDevice_AddRef(This->parent);
600 *out = &This->IAudioClient_iface;
601 IAudioClient_AddRef(&This->IAudioClient_iface);
603 return S_OK;
606 static HRESULT WINAPI AudioClient_QueryInterface(IAudioClient *iface,
607 REFIID riid, void **ppv)
609 TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
611 if(!ppv)
612 return E_POINTER;
613 *ppv = NULL;
614 if(IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IAudioClient))
615 *ppv = iface;
616 if(*ppv){
617 IUnknown_AddRef((IUnknown*)*ppv);
618 return S_OK;
620 WARN("Unknown interface %s\n", debugstr_guid(riid));
621 return E_NOINTERFACE;
624 static ULONG WINAPI AudioClient_AddRef(IAudioClient *iface)
626 ACImpl *This = impl_from_IAudioClient(iface);
627 ULONG ref;
628 ref = InterlockedIncrement(&This->ref);
629 TRACE("(%p) Refcount now %u\n", This, ref);
630 return ref;
633 static ULONG WINAPI AudioClient_Release(IAudioClient *iface)
635 ACImpl *This = impl_from_IAudioClient(iface);
636 ULONG ref;
637 ref = InterlockedDecrement(&This->ref);
638 TRACE("(%p) Refcount now %u\n", This, ref);
639 if(!ref){
640 IAudioClient_Stop(iface);
641 IMMDevice_Release(This->parent);
642 DeleteCriticalSection(&This->lock);
643 snd_pcm_drop(This->pcm_handle);
644 snd_pcm_close(This->pcm_handle);
645 if(This->initted){
646 EnterCriticalSection(&g_sessions_lock);
647 list_remove(&This->entry);
648 LeaveCriticalSection(&g_sessions_lock);
650 HeapFree(GetProcessHeap(), 0, This->vols);
651 HeapFree(GetProcessHeap(), 0, This->local_buffer);
652 HeapFree(GetProcessHeap(), 0, This->tmp_buffer);
653 HeapFree(GetProcessHeap(), 0, This->hw_params);
654 CoTaskMemFree(This->fmt);
655 HeapFree(GetProcessHeap(), 0, This);
657 return ref;
660 static void dump_fmt(const WAVEFORMATEX *fmt)
662 TRACE("wFormatTag: 0x%x (", fmt->wFormatTag);
663 switch(fmt->wFormatTag){
664 case WAVE_FORMAT_PCM:
665 TRACE("WAVE_FORMAT_PCM");
666 break;
667 case WAVE_FORMAT_IEEE_FLOAT:
668 TRACE("WAVE_FORMAT_IEEE_FLOAT");
669 break;
670 case WAVE_FORMAT_EXTENSIBLE:
671 TRACE("WAVE_FORMAT_EXTENSIBLE");
672 break;
673 default:
674 TRACE("Unknown");
675 break;
677 TRACE(")\n");
679 TRACE("nChannels: %u\n", fmt->nChannels);
680 TRACE("nSamplesPerSec: %u\n", fmt->nSamplesPerSec);
681 TRACE("nAvgBytesPerSec: %u\n", fmt->nAvgBytesPerSec);
682 TRACE("nBlockAlign: %u\n", fmt->nBlockAlign);
683 TRACE("wBitsPerSample: %u\n", fmt->wBitsPerSample);
684 TRACE("cbSize: %u\n", fmt->cbSize);
686 if(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE){
687 WAVEFORMATEXTENSIBLE *fmtex = (void*)fmt;
688 TRACE("dwChannelMask: %08x\n", fmtex->dwChannelMask);
689 TRACE("Samples: %04x\n", fmtex->Samples.wReserved);
690 TRACE("SubFormat: %s\n", wine_dbgstr_guid(&fmtex->SubFormat));
694 static WAVEFORMATEX *clone_format(const WAVEFORMATEX *fmt)
696 WAVEFORMATEX *ret;
697 size_t size;
699 if(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
700 size = sizeof(WAVEFORMATEXTENSIBLE);
701 else
702 size = sizeof(WAVEFORMATEX);
704 ret = CoTaskMemAlloc(size);
705 if(!ret)
706 return NULL;
708 memcpy(ret, fmt, size);
710 ret->cbSize = size - sizeof(WAVEFORMATEX);
712 return ret;
715 static void session_init_vols(AudioSession *session, UINT channels)
717 if(session->channel_count < channels){
718 UINT i;
720 if(session->channel_vols)
721 session->channel_vols = HeapReAlloc(GetProcessHeap(), 0,
722 session->channel_vols, sizeof(float) * channels);
723 else
724 session->channel_vols = HeapAlloc(GetProcessHeap(), 0,
725 sizeof(float) * channels);
726 if(!session->channel_vols)
727 return;
729 for(i = session->channel_count; i < channels; ++i)
730 session->channel_vols[i] = 1.f;
732 session->channel_count = channels;
736 static AudioSession *create_session(const GUID *guid, IMMDevice *device,
737 UINT num_channels)
739 AudioSession *ret;
741 ret = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(AudioSession));
742 if(!ret)
743 return NULL;
745 memcpy(&ret->guid, guid, sizeof(GUID));
747 ret->device = device;
749 list_init(&ret->clients);
751 list_add_head(&g_sessions, &ret->entry);
753 InitializeCriticalSection(&ret->lock);
755 session_init_vols(ret, num_channels);
757 ret->master_vol = 1.f;
759 return ret;
762 /* if channels == 0, then this will return or create a session with
763 * matching dataflow and GUID. otherwise, channels must also match */
764 static HRESULT get_audio_session(const GUID *sessionguid,
765 IMMDevice *device, UINT channels, AudioSession **out)
767 AudioSession *session;
769 if(!sessionguid || IsEqualGUID(sessionguid, &GUID_NULL)){
770 *out = create_session(&GUID_NULL, device, channels);
771 if(!*out)
772 return E_OUTOFMEMORY;
774 return S_OK;
777 *out = NULL;
778 LIST_FOR_EACH_ENTRY(session, &g_sessions, AudioSession, entry){
779 if(session->device == device &&
780 IsEqualGUID(sessionguid, &session->guid)){
781 session_init_vols(session, channels);
782 *out = session;
783 break;
787 if(!*out){
788 *out = create_session(sessionguid, device, channels);
789 if(!*out)
790 return E_OUTOFMEMORY;
793 return S_OK;
796 static HRESULT WINAPI AudioClient_Initialize(IAudioClient *iface,
797 AUDCLNT_SHAREMODE mode, DWORD flags, REFERENCE_TIME duration,
798 REFERENCE_TIME period, const WAVEFORMATEX *fmt,
799 const GUID *sessionguid)
801 ACImpl *This = impl_from_IAudioClient(iface);
802 snd_pcm_sw_params_t *sw_params = NULL;
803 snd_pcm_format_t format;
804 snd_pcm_uframes_t boundary;
805 const WAVEFORMATEXTENSIBLE *fmtex = (const WAVEFORMATEXTENSIBLE *)fmt;
806 unsigned int time_us, rate;
807 int err, i;
808 HRESULT hr = S_OK;
810 TRACE("(%p)->(%x, %x, %s, %s, %p, %s)\n", This, mode, flags,
811 wine_dbgstr_longlong(duration), wine_dbgstr_longlong(period), fmt, debugstr_guid(sessionguid));
813 if(!fmt)
814 return E_POINTER;
816 if(mode != AUDCLNT_SHAREMODE_SHARED && mode != AUDCLNT_SHAREMODE_EXCLUSIVE)
817 return AUDCLNT_E_NOT_INITIALIZED;
819 if(flags & ~(AUDCLNT_STREAMFLAGS_CROSSPROCESS |
820 AUDCLNT_STREAMFLAGS_LOOPBACK |
821 AUDCLNT_STREAMFLAGS_EVENTCALLBACK |
822 AUDCLNT_STREAMFLAGS_NOPERSIST |
823 AUDCLNT_STREAMFLAGS_RATEADJUST |
824 AUDCLNT_SESSIONFLAGS_EXPIREWHENUNOWNED |
825 AUDCLNT_SESSIONFLAGS_DISPLAY_HIDE |
826 AUDCLNT_SESSIONFLAGS_DISPLAY_HIDEWHENEXPIRED)){
827 TRACE("Unknown flags: %08x\n", flags);
828 return E_INVALIDARG;
831 EnterCriticalSection(&This->lock);
833 if(This->initted){
834 LeaveCriticalSection(&This->lock);
835 return AUDCLNT_E_ALREADY_INITIALIZED;
838 dump_fmt(fmt);
840 if((err = snd_pcm_hw_params_any(This->pcm_handle, This->hw_params)) < 0){
841 WARN("Unable to get hw_params: %d (%s)\n", err, snd_strerror(err));
842 hr = E_FAIL;
843 goto exit;
846 if((err = snd_pcm_hw_params_set_access(This->pcm_handle, This->hw_params,
847 SND_PCM_ACCESS_RW_INTERLEAVED)) < 0){
848 WARN("Unable to set access: %d (%s)\n", err, snd_strerror(err));
849 hr = E_FAIL;
850 goto exit;
853 if(fmt->wFormatTag == WAVE_FORMAT_PCM ||
854 (fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
855 IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))){
856 if(fmt->wBitsPerSample == 8)
857 format = SND_PCM_FORMAT_U8;
858 else if(fmt->wBitsPerSample == 16)
859 format = SND_PCM_FORMAT_S16_LE;
860 else if(fmt->wBitsPerSample == 24)
861 format = SND_PCM_FORMAT_S24_3LE;
862 else if(fmt->wBitsPerSample == 32)
863 format = SND_PCM_FORMAT_S32_LE;
864 else{
865 WARN("Unsupported bit depth: %u\n", fmt->wBitsPerSample);
866 hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
867 goto exit;
869 }else if(fmt->wFormatTag == WAVE_FORMAT_IEEE_FLOAT ||
870 (fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
871 IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT))){
872 if(fmt->wBitsPerSample == 32)
873 format = SND_PCM_FORMAT_FLOAT_LE;
874 else if(fmt->wBitsPerSample == 64)
875 format = SND_PCM_FORMAT_FLOAT64_LE;
876 else{
877 WARN("Unsupported float size: %u\n", fmt->wBitsPerSample);
878 hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
879 goto exit;
881 }else{
882 WARN("Unknown wave format: %04x\n", fmt->wFormatTag);
883 hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
884 goto exit;
887 if((err = snd_pcm_hw_params_set_format(This->pcm_handle, This->hw_params,
888 format)) < 0){
889 WARN("Unable to set ALSA format to %u: %d (%s)\n", format, err,
890 snd_strerror(err));
891 hr = E_FAIL;
892 goto exit;
895 This->alsa_format = format;
897 rate = fmt->nSamplesPerSec;
898 if((err = snd_pcm_hw_params_set_rate_near(This->pcm_handle, This->hw_params,
899 &rate, NULL)) < 0){
900 WARN("Unable to set rate to %u: %d (%s)\n", rate, err,
901 snd_strerror(err));
902 hr = E_FAIL;
903 goto exit;
906 if((err = snd_pcm_hw_params_set_channels(This->pcm_handle, This->hw_params,
907 fmt->nChannels)) < 0){
908 WARN("Unable to set channels to %u: %d (%s)\n", fmt->nChannels, err,
909 snd_strerror(err));
910 hr = E_FAIL;
911 goto exit;
914 time_us = MinimumPeriod / 10;
915 if((err = snd_pcm_hw_params_set_period_time_near(This->pcm_handle,
916 This->hw_params, &time_us, NULL)) < 0){
917 WARN("Unable to set max period time to %u: %d (%s)\n", time_us,
918 err, snd_strerror(err));
919 hr = E_FAIL;
920 goto exit;
923 if((err = snd_pcm_hw_params(This->pcm_handle, This->hw_params)) < 0){
924 WARN("Unable to set hw params: %d (%s)\n", err, snd_strerror(err));
925 hr = E_FAIL;
926 goto exit;
929 sw_params = HeapAlloc(GetProcessHeap(), 0, snd_pcm_sw_params_sizeof());
930 if(!sw_params){
931 hr = E_OUTOFMEMORY;
932 goto exit;
935 if((err = snd_pcm_sw_params_current(This->pcm_handle, sw_params)) < 0){
936 WARN("Unable to get sw_params: %d (%s)\n", err, snd_strerror(err));
937 hr = E_FAIL;
938 goto exit;
941 if(!duration)
942 duration = 300000; /* 0.03s */
943 This->bufsize_frames = ceil((duration / 10000000.) * fmt->nSamplesPerSec);
944 This->local_buffer = HeapAlloc(GetProcessHeap(), 0,
945 This->bufsize_frames * fmt->nBlockAlign);
946 if(!This->local_buffer){
947 hr = E_OUTOFMEMORY;
948 goto exit;
950 if (fmt->wBitsPerSample == 8)
951 memset(This->local_buffer, 128, This->bufsize_frames * fmt->nBlockAlign);
952 else
953 memset(This->local_buffer, 0, This->bufsize_frames * fmt->nBlockAlign);
955 if((err = snd_pcm_sw_params_get_boundary(sw_params, &boundary)) < 0){
956 WARN("Unable to get boundary: %d (%s)\n", err, snd_strerror(err));
957 hr = E_FAIL;
958 goto exit;
961 if((err = snd_pcm_sw_params_set_start_threshold(This->pcm_handle,
962 sw_params, boundary)) < 0){
963 WARN("Unable to set start threshold to %lx: %d (%s)\n", boundary, err,
964 snd_strerror(err));
965 hr = E_FAIL;
966 goto exit;
969 if((err = snd_pcm_sw_params_set_stop_threshold(This->pcm_handle,
970 sw_params, boundary)) < 0){
971 WARN("Unable to set stop threshold to %lx: %d (%s)\n", boundary, err,
972 snd_strerror(err));
973 hr = E_FAIL;
974 goto exit;
977 if((err = snd_pcm_sw_params_set_avail_min(This->pcm_handle,
978 sw_params, 0)) < 0){
979 WARN("Unable to set avail min to 0: %d (%s)\n", err, snd_strerror(err));
980 hr = E_FAIL;
981 goto exit;
984 if((err = snd_pcm_sw_params_set_silence_size(This->pcm_handle,
985 sw_params, boundary)) < 0){
986 WARN("Unable to set silence size to %lx: %d (%s)\n", boundary, err,
987 snd_strerror(err));
988 hr = E_FAIL;
989 goto exit;
992 if((err = snd_pcm_sw_params(This->pcm_handle, sw_params)) < 0){
993 WARN("Unable to set sw params: %d (%s)\n", err, snd_strerror(err));
994 hr = E_FAIL;
995 goto exit;
998 if((err = snd_pcm_prepare(This->pcm_handle)) < 0){
999 WARN("Unable to prepare device: %d (%s)\n", err, snd_strerror(err));
1000 hr = E_FAIL;
1001 goto exit;
1004 if((err = snd_pcm_hw_params_get_buffer_size(This->hw_params,
1005 &This->bufsize_alsa)) < 0){
1006 WARN("Unable to get buffer size: %d (%s)\n", err, snd_strerror(err));
1007 hr = E_FAIL;
1008 goto exit;
1011 if((err = snd_pcm_hw_params_get_period_size(This->hw_params,
1012 &This->period_alsa, NULL)) < 0){
1013 WARN("Unable to get period size: %d (%s)\n", err, snd_strerror(err));
1014 hr = E_FAIL;
1015 goto exit;
1018 if((err = snd_pcm_hw_params_get_period_time(This->hw_params,
1019 &This->period_us, NULL)) < 0){
1020 WARN("Unable to get period time: %d (%s)\n", err, snd_strerror(err));
1021 hr = E_FAIL;
1022 goto exit;
1025 This->fmt = clone_format(fmt);
1026 if(!This->fmt){
1027 hr = E_OUTOFMEMORY;
1028 goto exit;
1031 This->vols = HeapAlloc(GetProcessHeap(), 0, fmt->nChannels * sizeof(float));
1032 if(!This->vols){
1033 hr = E_OUTOFMEMORY;
1034 goto exit;
1037 for(i = 0; i < fmt->nChannels; ++i)
1038 This->vols[i] = 1.f;
1040 This->share = mode;
1041 This->flags = flags;
1043 EnterCriticalSection(&g_sessions_lock);
1045 hr = get_audio_session(sessionguid, This->parent, fmt->nChannels,
1046 &This->session);
1047 if(FAILED(hr)){
1048 LeaveCriticalSection(&g_sessions_lock);
1049 goto exit;
1052 list_add_tail(&This->session->clients, &This->entry);
1054 LeaveCriticalSection(&g_sessions_lock);
1056 This->initted = TRUE;
1058 exit:
1059 HeapFree(GetProcessHeap(), 0, sw_params);
1060 if(FAILED(hr)){
1061 if(This->local_buffer){
1062 HeapFree(GetProcessHeap(), 0, This->local_buffer);
1063 This->local_buffer = NULL;
1065 if(This->fmt){
1066 CoTaskMemFree(This->fmt);
1067 This->fmt = NULL;
1069 if(This->vols){
1070 HeapFree(GetProcessHeap(), 0, This->vols);
1071 This->vols = NULL;
1075 LeaveCriticalSection(&This->lock);
1077 return hr;
1080 static HRESULT WINAPI AudioClient_GetBufferSize(IAudioClient *iface,
1081 UINT32 *out)
1083 ACImpl *This = impl_from_IAudioClient(iface);
1085 TRACE("(%p)->(%p)\n", This, out);
1087 if(!out)
1088 return E_POINTER;
1090 EnterCriticalSection(&This->lock);
1092 if(!This->initted){
1093 LeaveCriticalSection(&This->lock);
1094 return AUDCLNT_E_NOT_INITIALIZED;
1097 *out = This->bufsize_frames;
1099 LeaveCriticalSection(&This->lock);
1101 return S_OK;
1104 static HRESULT WINAPI AudioClient_GetStreamLatency(IAudioClient *iface,
1105 REFERENCE_TIME *latency)
1107 ACImpl *This = impl_from_IAudioClient(iface);
1109 TRACE("(%p)->(%p)\n", This, latency);
1111 if(!latency)
1112 return E_POINTER;
1114 EnterCriticalSection(&This->lock);
1116 if(!This->initted){
1117 LeaveCriticalSection(&This->lock);
1118 return AUDCLNT_E_NOT_INITIALIZED;
1121 LeaveCriticalSection(&This->lock);
1123 *latency = 500000;
1125 return S_OK;
1128 static HRESULT WINAPI AudioClient_GetCurrentPadding(IAudioClient *iface,
1129 UINT32 *out)
1131 ACImpl *This = impl_from_IAudioClient(iface);
1133 TRACE("(%p)->(%p)\n", This, out);
1135 if(!out)
1136 return E_POINTER;
1138 EnterCriticalSection(&This->lock);
1140 if(!This->initted){
1141 LeaveCriticalSection(&This->lock);
1142 return AUDCLNT_E_NOT_INITIALIZED;
1145 if(This->dataflow == eRender){
1146 snd_pcm_sframes_t avail_frames;
1148 avail_frames = snd_pcm_avail_update(This->pcm_handle);
1150 if(This->bufsize_alsa < avail_frames){
1151 WARN("Xrun detected\n");
1152 *out = This->held_frames;
1153 }else
1154 *out = This->bufsize_alsa - avail_frames + This->held_frames;
1155 }else if(This->dataflow == eCapture){
1156 *out = This->held_frames;
1157 }else{
1158 LeaveCriticalSection(&This->lock);
1159 return E_UNEXPECTED;
1162 LeaveCriticalSection(&This->lock);
1164 return S_OK;
1167 static DWORD get_channel_mask(unsigned int channels)
1169 switch(channels){
1170 case 0:
1171 return 0;
1172 case 1:
1173 return KSAUDIO_SPEAKER_MONO;
1174 case 2:
1175 return KSAUDIO_SPEAKER_STEREO;
1176 case 3:
1177 return KSAUDIO_SPEAKER_STEREO | SPEAKER_LOW_FREQUENCY;
1178 case 4:
1179 return KSAUDIO_SPEAKER_QUAD; /* not _SURROUND */
1180 case 5:
1181 return KSAUDIO_SPEAKER_QUAD | SPEAKER_LOW_FREQUENCY;
1182 case 6:
1183 return KSAUDIO_SPEAKER_5POINT1; /* not 5POINT1_SURROUND */
1184 case 7:
1185 return KSAUDIO_SPEAKER_5POINT1 | SPEAKER_BACK_CENTER;
1186 case 8:
1187 return KSAUDIO_SPEAKER_7POINT1; /* not 7POINT1_SURROUND */
1189 FIXME("Unknown speaker configuration: %u\n", channels);
1190 return 0;
1193 static HRESULT WINAPI AudioClient_IsFormatSupported(IAudioClient *iface,
1194 AUDCLNT_SHAREMODE mode, const WAVEFORMATEX *fmt,
1195 WAVEFORMATEX **out)
1197 ACImpl *This = impl_from_IAudioClient(iface);
1198 snd_pcm_format_mask_t *formats = NULL;
1199 HRESULT hr = S_OK;
1200 WAVEFORMATEX *closest = NULL;
1201 const WAVEFORMATEXTENSIBLE *fmtex = (const WAVEFORMATEXTENSIBLE *)fmt;
1202 unsigned int max = 0, min = 0;
1203 int err;
1205 TRACE("(%p)->(%x, %p, %p)\n", This, mode, fmt, out);
1207 if(!fmt || (mode == AUDCLNT_SHAREMODE_SHARED && !out))
1208 return E_POINTER;
1210 if(mode != AUDCLNT_SHAREMODE_SHARED && mode != AUDCLNT_SHAREMODE_EXCLUSIVE)
1211 return E_INVALIDARG;
1213 if(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
1214 fmt->cbSize < sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX))
1215 return E_INVALIDARG;
1217 dump_fmt(fmt);
1219 if(out)
1220 *out = NULL;
1222 EnterCriticalSection(&This->lock);
1224 if((err = snd_pcm_hw_params_any(This->pcm_handle, This->hw_params)) < 0){
1225 hr = E_FAIL;
1226 goto exit;
1229 formats = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
1230 snd_pcm_format_mask_sizeof());
1231 if(!formats){
1232 hr = E_OUTOFMEMORY;
1233 goto exit;
1236 snd_pcm_hw_params_get_format_mask(This->hw_params, formats);
1238 if(fmt->wFormatTag == WAVE_FORMAT_PCM ||
1239 (fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
1240 IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))){
1241 switch(fmt->wBitsPerSample){
1242 case 8:
1243 if(!snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_U8)){
1244 hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
1245 goto exit;
1247 break;
1248 case 16:
1249 if(!snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_S16_LE)){
1250 hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
1251 goto exit;
1253 break;
1254 case 24:
1255 if(!snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_S24_3LE)){
1256 hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
1257 goto exit;
1259 break;
1260 case 32:
1261 if(!snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_S32_LE)){
1262 hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
1263 goto exit;
1265 break;
1266 default:
1267 hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
1268 goto exit;
1270 }else if(fmt->wFormatTag == WAVE_FORMAT_IEEE_FLOAT ||
1271 (fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
1272 IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT))){
1273 switch(fmt->wBitsPerSample){
1274 case 32:
1275 if(!snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_FLOAT_LE)){
1276 hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
1277 goto exit;
1279 break;
1280 case 64:
1281 if(!snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_FLOAT64_LE)){
1282 hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
1283 goto exit;
1285 break;
1286 default:
1287 hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
1288 goto exit;
1290 }else{
1291 hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
1292 goto exit;
1295 closest = clone_format(fmt);
1296 if(!closest){
1297 hr = E_OUTOFMEMORY;
1298 goto exit;
1301 if((err = snd_pcm_hw_params_get_rate_min(This->hw_params, &min, NULL)) < 0){
1302 hr = E_FAIL;
1303 WARN("Unable to get min rate: %d (%s)\n", err, snd_strerror(err));
1304 goto exit;
1307 if((err = snd_pcm_hw_params_get_rate_max(This->hw_params, &max, NULL)) < 0){
1308 hr = E_FAIL;
1309 WARN("Unable to get max rate: %d (%s)\n", err, snd_strerror(err));
1310 goto exit;
1313 if(fmt->nSamplesPerSec < min || fmt->nSamplesPerSec > max){
1314 hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
1315 goto exit;
1318 if((err = snd_pcm_hw_params_get_channels_min(This->hw_params, &min)) < 0){
1319 hr = E_FAIL;
1320 WARN("Unable to get min channels: %d (%s)\n", err, snd_strerror(err));
1321 goto exit;
1324 if((err = snd_pcm_hw_params_get_channels_max(This->hw_params, &max)) < 0){
1325 hr = E_FAIL;
1326 WARN("Unable to get max channels: %d (%s)\n", err, snd_strerror(err));
1327 goto exit;
1329 if(max > 8)
1330 max = 2;
1331 if(fmt->nChannels > max){
1332 hr = S_FALSE;
1333 closest->nChannels = max;
1334 }else if(fmt->nChannels < min){
1335 hr = S_FALSE;
1336 closest->nChannels = min;
1339 if(closest->wFormatTag == WAVE_FORMAT_EXTENSIBLE){
1340 DWORD mask = get_channel_mask(closest->nChannels);
1342 ((WAVEFORMATEXTENSIBLE*)closest)->dwChannelMask = mask;
1344 if(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
1345 fmtex->dwChannelMask != mask)
1346 hr = S_FALSE;
1349 exit:
1350 LeaveCriticalSection(&This->lock);
1351 HeapFree(GetProcessHeap(), 0, formats);
1353 if(hr == S_FALSE && out) {
1354 closest->nBlockAlign =
1355 closest->nChannels * closest->wBitsPerSample / 8;
1356 closest->nAvgBytesPerSec =
1357 closest->nBlockAlign * closest->nSamplesPerSec;
1358 *out = closest;
1359 } else
1360 CoTaskMemFree(closest);
1362 TRACE("returning: %08x\n", hr);
1363 return hr;
1366 static HRESULT WINAPI AudioClient_GetMixFormat(IAudioClient *iface,
1367 WAVEFORMATEX **pwfx)
1369 ACImpl *This = impl_from_IAudioClient(iface);
1370 WAVEFORMATEXTENSIBLE *fmt;
1371 snd_pcm_format_mask_t *formats;
1372 unsigned int max_rate, max_channels;
1373 int err;
1374 HRESULT hr = S_OK;
1376 TRACE("(%p)->(%p)\n", This, pwfx);
1378 if(!pwfx)
1379 return E_POINTER;
1380 *pwfx = NULL;
1382 fmt = CoTaskMemAlloc(sizeof(WAVEFORMATEXTENSIBLE));
1383 if(!fmt)
1384 return E_OUTOFMEMORY;
1386 formats = HeapAlloc(GetProcessHeap(), 0, snd_pcm_format_mask_sizeof());
1387 if(!formats){
1388 CoTaskMemFree(fmt);
1389 return E_OUTOFMEMORY;
1392 EnterCriticalSection(&This->lock);
1394 if((err = snd_pcm_hw_params_any(This->pcm_handle, This->hw_params)) < 0){
1395 WARN("Unable to get hw_params: %d (%s)\n", err, snd_strerror(err));
1396 hr = E_FAIL;
1397 goto exit;
1400 snd_pcm_hw_params_get_format_mask(This->hw_params, formats);
1402 fmt->Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
1403 if(snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_FLOAT_LE)){
1404 fmt->Format.wBitsPerSample = 32;
1405 fmt->SubFormat = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
1406 }else if(snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_S16_LE)){
1407 fmt->Format.wBitsPerSample = 16;
1408 fmt->SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
1409 }else if(snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_U8)){
1410 fmt->Format.wBitsPerSample = 8;
1411 fmt->SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
1412 }else if(snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_S32_LE)){
1413 fmt->Format.wBitsPerSample = 32;
1414 fmt->SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
1415 }else if(snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_S24_3LE)){
1416 fmt->Format.wBitsPerSample = 24;
1417 fmt->SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
1418 }else{
1419 ERR("Didn't recognize any available ALSA formats\n");
1420 hr = E_FAIL;
1421 goto exit;
1424 if((err = snd_pcm_hw_params_get_channels_max(This->hw_params,
1425 &max_channels)) < 0){
1426 WARN("Unable to get max channels: %d (%s)\n", err, snd_strerror(err));
1427 hr = E_FAIL;
1428 goto exit;
1431 if(max_channels > 2){
1432 FIXME("Don't know what to do with %u channels, pretending there's "
1433 "only 2 channels\n", max_channels);
1434 fmt->Format.nChannels = 2;
1435 }else
1436 fmt->Format.nChannels = max_channels;
1438 fmt->dwChannelMask = get_channel_mask(fmt->Format.nChannels);
1440 if((err = snd_pcm_hw_params_get_rate_max(This->hw_params, &max_rate,
1441 NULL)) < 0){
1442 WARN("Unable to get max rate: %d (%s)\n", err, snd_strerror(err));
1443 hr = E_FAIL;
1444 goto exit;
1447 if(max_rate >= 48000)
1448 fmt->Format.nSamplesPerSec = 48000;
1449 else if(max_rate >= 44100)
1450 fmt->Format.nSamplesPerSec = 44100;
1451 else if(max_rate >= 22050)
1452 fmt->Format.nSamplesPerSec = 22050;
1453 else if(max_rate >= 11025)
1454 fmt->Format.nSamplesPerSec = 11025;
1455 else if(max_rate >= 8000)
1456 fmt->Format.nSamplesPerSec = 8000;
1457 else{
1458 ERR("Unknown max rate: %u\n", max_rate);
1459 hr = E_FAIL;
1460 goto exit;
1463 fmt->Format.nBlockAlign = (fmt->Format.wBitsPerSample *
1464 fmt->Format.nChannels) / 8;
1465 fmt->Format.nAvgBytesPerSec = fmt->Format.nSamplesPerSec *
1466 fmt->Format.nBlockAlign;
1468 fmt->Samples.wValidBitsPerSample = fmt->Format.wBitsPerSample;
1469 fmt->Format.cbSize = sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX);
1471 dump_fmt((WAVEFORMATEX*)fmt);
1472 *pwfx = (WAVEFORMATEX*)fmt;
1474 exit:
1475 LeaveCriticalSection(&This->lock);
1476 if(FAILED(hr))
1477 CoTaskMemFree(fmt);
1478 HeapFree(GetProcessHeap(), 0, formats);
1480 return hr;
1483 static HRESULT WINAPI AudioClient_GetDevicePeriod(IAudioClient *iface,
1484 REFERENCE_TIME *defperiod, REFERENCE_TIME *minperiod)
1486 ACImpl *This = impl_from_IAudioClient(iface);
1488 TRACE("(%p)->(%p, %p)\n", This, defperiod, minperiod);
1490 if(!defperiod && !minperiod)
1491 return E_POINTER;
1493 if(defperiod)
1494 *defperiod = DefaultPeriod;
1495 if(minperiod)
1496 *minperiod = MinimumPeriod;
1498 return S_OK;
1501 static snd_pcm_sframes_t alsa_write_best_effort(snd_pcm_t *handle, BYTE *buf,
1502 snd_pcm_uframes_t frames, ACImpl *This)
1504 snd_pcm_sframes_t written;
1506 if(This->session->mute){
1507 int err;
1508 if((err = snd_pcm_format_set_silence(This->alsa_format, buf,
1509 frames * This->fmt->nChannels)) < 0)
1510 WARN("Setting buffer to silence failed: %d (%s)\n", err,
1511 snd_strerror(err));
1514 written = snd_pcm_writei(handle, buf, frames);
1515 if(written < 0){
1516 int ret;
1518 if(written == -EAGAIN)
1519 /* buffer full */
1520 return 0;
1522 WARN("writei failed, recovering: %ld (%s)\n", written,
1523 snd_strerror(written));
1525 ret = wine_snd_pcm_recover(handle, written, 0);
1526 if(ret < 0){
1527 WARN("Could not recover: %d (%s)\n", ret, snd_strerror(ret));
1528 return ret;
1531 written = snd_pcm_writei(handle, buf, frames);
1534 return written;
1537 static void alsa_write_data(ACImpl *This)
1539 snd_pcm_sframes_t written;
1540 snd_pcm_uframes_t to_write;
1541 BYTE *buf =
1542 This->local_buffer + (This->lcl_offs_frames * This->fmt->nBlockAlign);
1544 if(This->lcl_offs_frames + This->held_frames > This->bufsize_frames)
1545 to_write = This->bufsize_frames - This->lcl_offs_frames;
1546 else
1547 to_write = This->held_frames;
1549 written = alsa_write_best_effort(This->pcm_handle, buf, to_write, This);
1550 if(written < 0){
1551 WARN("Couldn't write: %ld (%s)\n", written, snd_strerror(written));
1552 return;
1555 This->lcl_offs_frames += written;
1556 This->lcl_offs_frames %= This->bufsize_frames;
1557 This->held_frames -= written;
1559 if(written < to_write){
1560 /* ALSA buffer probably full */
1561 return;
1564 if(This->held_frames){
1565 /* wrapped and have some data back at the start to write */
1566 written = alsa_write_best_effort(This->pcm_handle, This->local_buffer,
1567 This->held_frames, This);
1568 if(written < 0){
1569 WARN("Couldn't write: %ld (%s)\n", written, snd_strerror(written));
1570 return;
1573 This->lcl_offs_frames += written;
1574 This->lcl_offs_frames %= This->bufsize_frames;
1575 This->held_frames -= written;
1579 static void alsa_read_data(ACImpl *This)
1581 snd_pcm_sframes_t pos, readable, nread;
1583 pos = (This->held_frames + This->lcl_offs_frames) % This->bufsize_frames;
1584 readable = This->bufsize_frames - pos;
1586 nread = snd_pcm_readi(This->pcm_handle,
1587 This->local_buffer + pos * This->fmt->nBlockAlign, readable);
1588 if(nread < 0){
1589 int ret;
1591 WARN("read failed, recovering: %ld (%s)\n", nread, snd_strerror(nread));
1593 ret = wine_snd_pcm_recover(This->pcm_handle, nread, 0);
1594 if(ret < 0){
1595 WARN("Recover failed: %d (%s)\n", ret, snd_strerror(ret));
1596 return;
1599 nread = snd_pcm_readi(This->pcm_handle,
1600 This->local_buffer + pos * This->fmt->nBlockAlign, readable);
1601 if(nread < 0){
1602 WARN("read failed: %ld (%s)\n", nread, snd_strerror(nread));
1603 return;
1607 if(This->session->mute){
1608 int err;
1609 if((err = snd_pcm_format_set_silence(This->alsa_format,
1610 This->local_buffer + pos * This->fmt->nBlockAlign,
1611 nread)) < 0)
1612 WARN("Setting buffer to silence failed: %d (%s)\n", err,
1613 snd_strerror(err));
1616 This->held_frames += nread;
1618 if(This->held_frames > This->bufsize_frames){
1619 WARN("Overflow of unread data\n");
1620 This->lcl_offs_frames += This->held_frames;
1621 This->lcl_offs_frames %= This->bufsize_frames;
1622 This->held_frames = This->bufsize_frames;
1626 static void CALLBACK alsa_push_buffer_data(void *user, BOOLEAN timer)
1628 ACImpl *This = user;
1630 EnterCriticalSection(&This->lock);
1632 if(This->started){
1633 if(This->dataflow == eRender && This->held_frames)
1634 alsa_write_data(This);
1635 else if(This->dataflow == eCapture)
1636 alsa_read_data(This);
1638 if(This->event)
1639 SetEvent(This->event);
1642 LeaveCriticalSection(&This->lock);
1645 static HRESULT alsa_consider_start(ACImpl *This)
1647 snd_pcm_sframes_t avail;
1648 int err;
1650 avail = snd_pcm_avail_update(This->pcm_handle);
1651 if(avail < 0){
1652 WARN("Unable to get avail_update: %ld (%s)\n", avail,
1653 snd_strerror(avail));
1654 return E_FAIL;
1657 if(This->period_alsa < This->bufsize_alsa - avail){
1658 if((err = snd_pcm_start(This->pcm_handle)) < 0){
1659 WARN("Start failed: %d (%s), state: %d\n", err, snd_strerror(err),
1660 snd_pcm_state(This->pcm_handle));
1661 return E_FAIL;
1664 return S_OK;
1667 return S_FALSE;
1670 static HRESULT WINAPI AudioClient_Start(IAudioClient *iface)
1672 ACImpl *This = impl_from_IAudioClient(iface);
1673 DWORD period_ms;
1674 HRESULT hr;
1676 TRACE("(%p)\n", This);
1678 EnterCriticalSection(&This->lock);
1680 if(!This->initted){
1681 LeaveCriticalSection(&This->lock);
1682 return AUDCLNT_E_NOT_INITIALIZED;
1685 if((This->flags & AUDCLNT_STREAMFLAGS_EVENTCALLBACK) && !This->event){
1686 LeaveCriticalSection(&This->lock);
1687 return AUDCLNT_E_EVENTHANDLE_NOT_SET;
1690 if(This->started){
1691 LeaveCriticalSection(&This->lock);
1692 return AUDCLNT_E_NOT_STOPPED;
1695 hr = alsa_consider_start(This);
1696 if(FAILED(hr)){
1697 LeaveCriticalSection(&This->lock);
1698 return hr;
1701 period_ms = This->period_us / 1000;
1702 if(!period_ms)
1703 period_ms = 10;
1705 if(This->dataflow == eCapture){
1706 /* dump any data that might be leftover in the ALSA capture buffer */
1707 snd_pcm_readi(This->pcm_handle, This->local_buffer,
1708 This->bufsize_frames);
1711 if(!CreateTimerQueueTimer(&This->timer, g_timer_q, alsa_push_buffer_data,
1712 This, 0, period_ms, WT_EXECUTEINTIMERTHREAD)){
1713 LeaveCriticalSection(&This->lock);
1714 WARN("Unable to create timer: %u\n", GetLastError());
1715 return E_FAIL;
1718 This->started = TRUE;
1720 LeaveCriticalSection(&This->lock);
1722 return S_OK;
1725 static HRESULT WINAPI AudioClient_Stop(IAudioClient *iface)
1727 ACImpl *This = impl_from_IAudioClient(iface);
1728 int err;
1729 HANDLE event;
1730 BOOL wait;
1732 TRACE("(%p)\n", This);
1734 EnterCriticalSection(&This->lock);
1736 if(!This->initted){
1737 LeaveCriticalSection(&This->lock);
1738 return AUDCLNT_E_NOT_INITIALIZED;
1741 if(!This->started){
1742 LeaveCriticalSection(&This->lock);
1743 return S_FALSE;
1746 event = CreateEventW(NULL, TRUE, FALSE, NULL);
1747 wait = !DeleteTimerQueueTimer(g_timer_q, This->timer, event);
1748 if(wait)
1749 WARN("DeleteTimerQueueTimer error %u\n", GetLastError());
1750 wait = wait && GetLastError() == ERROR_IO_PENDING;
1752 if((err = snd_pcm_drop(This->pcm_handle)) < 0){
1753 LeaveCriticalSection(&This->lock);
1754 WARN("Drop failed: %d (%s)\n", err, snd_strerror(err));
1755 return E_FAIL;
1758 if((err = snd_pcm_prepare(This->pcm_handle)) < 0){
1759 LeaveCriticalSection(&This->lock);
1760 WARN("Prepare failed: %d (%s)\n", err, snd_strerror(err));
1761 return E_FAIL;
1764 This->started = FALSE;
1766 LeaveCriticalSection(&This->lock);
1768 if(event && wait)
1769 WaitForSingleObject(event, INFINITE);
1770 CloseHandle(event);
1772 return S_OK;
1775 static HRESULT WINAPI AudioClient_Reset(IAudioClient *iface)
1777 ACImpl *This = impl_from_IAudioClient(iface);
1779 TRACE("(%p)\n", This);
1781 EnterCriticalSection(&This->lock);
1783 if(!This->initted){
1784 LeaveCriticalSection(&This->lock);
1785 return AUDCLNT_E_NOT_INITIALIZED;
1788 if(This->started){
1789 LeaveCriticalSection(&This->lock);
1790 return AUDCLNT_E_NOT_STOPPED;
1793 if(This->buf_state != NOT_LOCKED){
1794 LeaveCriticalSection(&This->lock);
1795 return AUDCLNT_E_BUFFER_OPERATION_PENDING;
1798 This->held_frames = 0;
1799 This->written_frames = 0;
1800 This->lcl_offs_frames = 0;
1802 LeaveCriticalSection(&This->lock);
1804 return S_OK;
1807 static HRESULT WINAPI AudioClient_SetEventHandle(IAudioClient *iface,
1808 HANDLE event)
1810 ACImpl *This = impl_from_IAudioClient(iface);
1812 TRACE("(%p)->(%p)\n", This, event);
1814 if(!event)
1815 return E_INVALIDARG;
1817 EnterCriticalSection(&This->lock);
1819 if(!This->initted){
1820 LeaveCriticalSection(&This->lock);
1821 return AUDCLNT_E_NOT_INITIALIZED;
1824 if(!(This->flags & AUDCLNT_STREAMFLAGS_EVENTCALLBACK)){
1825 LeaveCriticalSection(&This->lock);
1826 return AUDCLNT_E_EVENTHANDLE_NOT_EXPECTED;
1829 This->event = event;
1831 LeaveCriticalSection(&This->lock);
1833 return S_OK;
1836 static HRESULT WINAPI AudioClient_GetService(IAudioClient *iface, REFIID riid,
1837 void **ppv)
1839 ACImpl *This = impl_from_IAudioClient(iface);
1841 TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(riid), ppv);
1843 if(!ppv)
1844 return E_POINTER;
1845 *ppv = NULL;
1847 EnterCriticalSection(&This->lock);
1849 if(!This->initted){
1850 LeaveCriticalSection(&This->lock);
1851 return AUDCLNT_E_NOT_INITIALIZED;
1854 if(IsEqualIID(riid, &IID_IAudioRenderClient)){
1855 if(This->dataflow != eRender){
1856 LeaveCriticalSection(&This->lock);
1857 return AUDCLNT_E_WRONG_ENDPOINT_TYPE;
1859 IAudioRenderClient_AddRef(&This->IAudioRenderClient_iface);
1860 *ppv = &This->IAudioRenderClient_iface;
1861 }else if(IsEqualIID(riid, &IID_IAudioCaptureClient)){
1862 if(This->dataflow != eCapture){
1863 LeaveCriticalSection(&This->lock);
1864 return AUDCLNT_E_WRONG_ENDPOINT_TYPE;
1866 IAudioCaptureClient_AddRef(&This->IAudioCaptureClient_iface);
1867 *ppv = &This->IAudioCaptureClient_iface;
1868 }else if(IsEqualIID(riid, &IID_IAudioClock)){
1869 IAudioClock_AddRef(&This->IAudioClock_iface);
1870 *ppv = &This->IAudioClock_iface;
1871 }else if(IsEqualIID(riid, &IID_IAudioStreamVolume)){
1872 IAudioStreamVolume_AddRef(&This->IAudioStreamVolume_iface);
1873 *ppv = &This->IAudioStreamVolume_iface;
1874 }else if(IsEqualIID(riid, &IID_IAudioSessionControl)){
1875 if(!This->session_wrapper){
1876 This->session_wrapper = AudioSessionWrapper_Create(This);
1877 if(!This->session_wrapper){
1878 LeaveCriticalSection(&This->lock);
1879 return E_OUTOFMEMORY;
1881 }else
1882 IAudioSessionControl2_AddRef(&This->session_wrapper->IAudioSessionControl2_iface);
1884 *ppv = &This->session_wrapper->IAudioSessionControl2_iface;
1885 }else if(IsEqualIID(riid, &IID_IChannelAudioVolume)){
1886 if(!This->session_wrapper){
1887 This->session_wrapper = AudioSessionWrapper_Create(This);
1888 if(!This->session_wrapper){
1889 LeaveCriticalSection(&This->lock);
1890 return E_OUTOFMEMORY;
1892 }else
1893 IChannelAudioVolume_AddRef(&This->session_wrapper->IChannelAudioVolume_iface);
1895 *ppv = &This->session_wrapper->IChannelAudioVolume_iface;
1896 }else if(IsEqualIID(riid, &IID_ISimpleAudioVolume)){
1897 if(!This->session_wrapper){
1898 This->session_wrapper = AudioSessionWrapper_Create(This);
1899 if(!This->session_wrapper){
1900 LeaveCriticalSection(&This->lock);
1901 return E_OUTOFMEMORY;
1903 }else
1904 ISimpleAudioVolume_AddRef(&This->session_wrapper->ISimpleAudioVolume_iface);
1906 *ppv = &This->session_wrapper->ISimpleAudioVolume_iface;
1909 if(*ppv){
1910 LeaveCriticalSection(&This->lock);
1911 return S_OK;
1914 LeaveCriticalSection(&This->lock);
1916 FIXME("stub %s\n", debugstr_guid(riid));
1917 return E_NOINTERFACE;
1920 static const IAudioClientVtbl AudioClient_Vtbl =
1922 AudioClient_QueryInterface,
1923 AudioClient_AddRef,
1924 AudioClient_Release,
1925 AudioClient_Initialize,
1926 AudioClient_GetBufferSize,
1927 AudioClient_GetStreamLatency,
1928 AudioClient_GetCurrentPadding,
1929 AudioClient_IsFormatSupported,
1930 AudioClient_GetMixFormat,
1931 AudioClient_GetDevicePeriod,
1932 AudioClient_Start,
1933 AudioClient_Stop,
1934 AudioClient_Reset,
1935 AudioClient_SetEventHandle,
1936 AudioClient_GetService
1939 static HRESULT WINAPI AudioRenderClient_QueryInterface(
1940 IAudioRenderClient *iface, REFIID riid, void **ppv)
1942 TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
1944 if(!ppv)
1945 return E_POINTER;
1946 *ppv = NULL;
1948 if(IsEqualIID(riid, &IID_IUnknown) ||
1949 IsEqualIID(riid, &IID_IAudioRenderClient))
1950 *ppv = iface;
1951 if(*ppv){
1952 IUnknown_AddRef((IUnknown*)*ppv);
1953 return S_OK;
1956 WARN("Unknown interface %s\n", debugstr_guid(riid));
1957 return E_NOINTERFACE;
1960 static ULONG WINAPI AudioRenderClient_AddRef(IAudioRenderClient *iface)
1962 ACImpl *This = impl_from_IAudioRenderClient(iface);
1963 return AudioClient_AddRef(&This->IAudioClient_iface);
1966 static ULONG WINAPI AudioRenderClient_Release(IAudioRenderClient *iface)
1968 ACImpl *This = impl_from_IAudioRenderClient(iface);
1969 return AudioClient_Release(&This->IAudioClient_iface);
1972 static HRESULT WINAPI AudioRenderClient_GetBuffer(IAudioRenderClient *iface,
1973 UINT32 frames, BYTE **data)
1975 ACImpl *This = impl_from_IAudioRenderClient(iface);
1976 UINT32 write_pos;
1977 UINT32 pad;
1978 HRESULT hr;
1980 TRACE("(%p)->(%u, %p)\n", This, frames, data);
1982 if(!data)
1983 return E_POINTER;
1985 EnterCriticalSection(&This->lock);
1987 if(This->buf_state != NOT_LOCKED){
1988 LeaveCriticalSection(&This->lock);
1989 return AUDCLNT_E_OUT_OF_ORDER;
1992 if(!frames){
1993 This->buf_state = LOCKED_NORMAL;
1994 LeaveCriticalSection(&This->lock);
1995 return S_OK;
1998 hr = IAudioClient_GetCurrentPadding(&This->IAudioClient_iface, &pad);
1999 if(FAILED(hr)){
2000 LeaveCriticalSection(&This->lock);
2001 return hr;
2004 if(pad + frames > This->bufsize_frames){
2005 LeaveCriticalSection(&This->lock);
2006 return AUDCLNT_E_BUFFER_TOO_LARGE;
2009 write_pos =
2010 (This->lcl_offs_frames + This->held_frames) % This->bufsize_frames;
2011 if(write_pos + frames > This->bufsize_frames){
2012 if(This->tmp_buffer_frames < frames){
2013 if(This->tmp_buffer)
2014 This->tmp_buffer = HeapReAlloc(GetProcessHeap(), 0,
2015 This->tmp_buffer, frames * This->fmt->nBlockAlign);
2016 else
2017 This->tmp_buffer = HeapAlloc(GetProcessHeap(), 0,
2018 frames * This->fmt->nBlockAlign);
2019 if(!This->tmp_buffer){
2020 LeaveCriticalSection(&This->lock);
2021 return E_OUTOFMEMORY;
2023 This->tmp_buffer_frames = frames;
2025 *data = This->tmp_buffer;
2026 This->buf_state = LOCKED_WRAPPED;
2027 }else{
2028 *data = This->local_buffer + write_pos * This->fmt->nBlockAlign;
2029 This->buf_state = LOCKED_NORMAL;
2032 LeaveCriticalSection(&This->lock);
2034 return S_OK;
2037 static void alsa_wrap_buffer(ACImpl *This, BYTE *buffer, UINT32 written_frames)
2039 snd_pcm_uframes_t write_offs_frames =
2040 (This->lcl_offs_frames + This->held_frames) % This->bufsize_frames;
2041 UINT32 write_offs_bytes = write_offs_frames * This->fmt->nBlockAlign;
2042 snd_pcm_uframes_t chunk_frames = This->bufsize_frames - write_offs_frames;
2043 UINT32 chunk_bytes = chunk_frames * This->fmt->nBlockAlign;
2044 UINT32 written_bytes = written_frames * This->fmt->nBlockAlign;
2046 if(written_bytes <= chunk_bytes){
2047 memcpy(This->local_buffer + write_offs_bytes, buffer, written_bytes);
2048 }else{
2049 memcpy(This->local_buffer + write_offs_bytes, buffer, chunk_bytes);
2050 memcpy(This->local_buffer, buffer + chunk_bytes,
2051 written_bytes - chunk_bytes);
2055 static HRESULT WINAPI AudioRenderClient_ReleaseBuffer(
2056 IAudioRenderClient *iface, UINT32 written_frames, DWORD flags)
2058 ACImpl *This = impl_from_IAudioRenderClient(iface);
2059 BYTE *buffer;
2060 HRESULT hr;
2062 TRACE("(%p)->(%u, %x)\n", This, written_frames, flags);
2064 EnterCriticalSection(&This->lock);
2066 if(This->buf_state == NOT_LOCKED || !written_frames){
2067 This->buf_state = NOT_LOCKED;
2068 LeaveCriticalSection(&This->lock);
2069 return written_frames ? AUDCLNT_E_OUT_OF_ORDER : S_OK;
2072 if(This->buf_state == LOCKED_NORMAL)
2073 buffer = This->local_buffer + This->fmt->nBlockAlign *
2074 ((This->lcl_offs_frames + This->held_frames) % This->bufsize_frames);
2075 else
2076 buffer = This->tmp_buffer;
2078 if(flags & AUDCLNT_BUFFERFLAGS_SILENT){
2079 WAVEFORMATEXTENSIBLE *fmtex = (WAVEFORMATEXTENSIBLE*)This->fmt;
2080 if((This->fmt->wFormatTag == WAVE_FORMAT_PCM ||
2081 (This->fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
2082 IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))) &&
2083 This->fmt->wBitsPerSample == 8)
2084 memset(buffer, 128, written_frames * This->fmt->nBlockAlign);
2085 else
2086 memset(buffer, 0, written_frames * This->fmt->nBlockAlign);
2089 if(This->held_frames){
2090 if(This->buf_state == LOCKED_WRAPPED)
2091 alsa_wrap_buffer(This, buffer, written_frames);
2093 This->held_frames += written_frames;
2094 }else{
2095 snd_pcm_sframes_t written;
2097 written = alsa_write_best_effort(This->pcm_handle, buffer,
2098 written_frames, This);
2099 if(written < 0){
2100 LeaveCriticalSection(&This->lock);
2101 WARN("write failed: %ld (%s)\n", written, snd_strerror(written));
2102 return E_FAIL;
2105 if(written < written_frames){
2106 if(This->buf_state == LOCKED_WRAPPED)
2107 alsa_wrap_buffer(This,
2108 This->tmp_buffer + written * This->fmt->nBlockAlign,
2109 written_frames - written);
2110 else
2111 This->lcl_offs_frames += written;
2112 This->held_frames = written_frames - written;
2116 if(This->started &&
2117 snd_pcm_state(This->pcm_handle) == SND_PCM_STATE_PREPARED){
2118 hr = alsa_consider_start(This);
2119 if(FAILED(hr)){
2120 LeaveCriticalSection(&This->lock);
2121 return hr;
2125 This->written_frames += written_frames;
2126 This->buf_state = NOT_LOCKED;
2128 LeaveCriticalSection(&This->lock);
2130 return S_OK;
2133 static const IAudioRenderClientVtbl AudioRenderClient_Vtbl = {
2134 AudioRenderClient_QueryInterface,
2135 AudioRenderClient_AddRef,
2136 AudioRenderClient_Release,
2137 AudioRenderClient_GetBuffer,
2138 AudioRenderClient_ReleaseBuffer
2141 static HRESULT WINAPI AudioCaptureClient_QueryInterface(
2142 IAudioCaptureClient *iface, REFIID riid, void **ppv)
2144 TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2146 if(!ppv)
2147 return E_POINTER;
2148 *ppv = NULL;
2150 if(IsEqualIID(riid, &IID_IUnknown) ||
2151 IsEqualIID(riid, &IID_IAudioCaptureClient))
2152 *ppv = iface;
2153 if(*ppv){
2154 IUnknown_AddRef((IUnknown*)*ppv);
2155 return S_OK;
2158 WARN("Unknown interface %s\n", debugstr_guid(riid));
2159 return E_NOINTERFACE;
2162 static ULONG WINAPI AudioCaptureClient_AddRef(IAudioCaptureClient *iface)
2164 ACImpl *This = impl_from_IAudioCaptureClient(iface);
2165 return IAudioClient_AddRef(&This->IAudioClient_iface);
2168 static ULONG WINAPI AudioCaptureClient_Release(IAudioCaptureClient *iface)
2170 ACImpl *This = impl_from_IAudioCaptureClient(iface);
2171 return IAudioClient_Release(&This->IAudioClient_iface);
2174 static HRESULT WINAPI AudioCaptureClient_GetBuffer(IAudioCaptureClient *iface,
2175 BYTE **data, UINT32 *frames, DWORD *flags, UINT64 *devpos,
2176 UINT64 *qpcpos)
2178 ACImpl *This = impl_from_IAudioCaptureClient(iface);
2179 HRESULT hr;
2181 TRACE("(%p)->(%p, %p, %p, %p, %p)\n", This, data, frames, flags,
2182 devpos, qpcpos);
2184 if(!data || !frames || !flags)
2185 return E_POINTER;
2187 EnterCriticalSection(&This->lock);
2189 if(This->buf_state != NOT_LOCKED){
2190 LeaveCriticalSection(&This->lock);
2191 return AUDCLNT_E_OUT_OF_ORDER;
2194 hr = IAudioCaptureClient_GetNextPacketSize(iface, frames);
2195 if(FAILED(hr)){
2196 LeaveCriticalSection(&This->lock);
2197 return hr;
2200 *flags = 0;
2202 if(This->lcl_offs_frames + *frames > This->bufsize_frames){
2203 UINT32 chunk_bytes, offs_bytes, frames_bytes;
2204 if(This->tmp_buffer_frames < *frames){
2205 if(This->tmp_buffer)
2206 This->tmp_buffer = HeapReAlloc(GetProcessHeap(), 0,
2207 This->tmp_buffer, *frames * This->fmt->nBlockAlign);
2208 else
2209 This->tmp_buffer = HeapAlloc(GetProcessHeap(), 0,
2210 *frames * This->fmt->nBlockAlign);
2211 if(!This->tmp_buffer){
2212 LeaveCriticalSection(&This->lock);
2213 return E_OUTOFMEMORY;
2215 This->tmp_buffer_frames = *frames;
2218 *data = This->tmp_buffer;
2219 chunk_bytes = (This->bufsize_frames - This->lcl_offs_frames) *
2220 This->fmt->nBlockAlign;
2221 offs_bytes = This->lcl_offs_frames * This->fmt->nBlockAlign;
2222 frames_bytes = *frames * This->fmt->nBlockAlign;
2223 memcpy(This->tmp_buffer, This->local_buffer + offs_bytes, chunk_bytes);
2224 memcpy(This->tmp_buffer + chunk_bytes, This->local_buffer,
2225 frames_bytes - chunk_bytes);
2226 }else
2227 *data = This->local_buffer +
2228 This->lcl_offs_frames * This->fmt->nBlockAlign;
2230 This->buf_state = LOCKED_NORMAL;
2232 if(devpos || qpcpos)
2233 IAudioClock_GetPosition(&This->IAudioClock_iface, devpos, qpcpos);
2235 LeaveCriticalSection(&This->lock);
2237 return *frames ? S_OK : AUDCLNT_S_BUFFER_EMPTY;
2240 static HRESULT WINAPI AudioCaptureClient_ReleaseBuffer(
2241 IAudioCaptureClient *iface, UINT32 done)
2243 ACImpl *This = impl_from_IAudioCaptureClient(iface);
2245 TRACE("(%p)->(%u)\n", This, done);
2247 EnterCriticalSection(&This->lock);
2249 if(This->buf_state == NOT_LOCKED){
2250 LeaveCriticalSection(&This->lock);
2251 return AUDCLNT_E_OUT_OF_ORDER;
2254 This->held_frames -= done;
2255 This->lcl_offs_frames += done;
2256 This->lcl_offs_frames %= This->bufsize_frames;
2258 This->buf_state = NOT_LOCKED;
2260 LeaveCriticalSection(&This->lock);
2262 return S_OK;
2265 static HRESULT WINAPI AudioCaptureClient_GetNextPacketSize(
2266 IAudioCaptureClient *iface, UINT32 *frames)
2268 ACImpl *This = impl_from_IAudioCaptureClient(iface);
2270 TRACE("(%p)->(%p)\n", This, frames);
2272 return AudioClient_GetCurrentPadding(&This->IAudioClient_iface, frames);
2275 static const IAudioCaptureClientVtbl AudioCaptureClient_Vtbl =
2277 AudioCaptureClient_QueryInterface,
2278 AudioCaptureClient_AddRef,
2279 AudioCaptureClient_Release,
2280 AudioCaptureClient_GetBuffer,
2281 AudioCaptureClient_ReleaseBuffer,
2282 AudioCaptureClient_GetNextPacketSize
2285 static HRESULT WINAPI AudioClock_QueryInterface(IAudioClock *iface,
2286 REFIID riid, void **ppv)
2288 ACImpl *This = impl_from_IAudioClock(iface);
2290 TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2292 if(!ppv)
2293 return E_POINTER;
2294 *ppv = NULL;
2296 if(IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IAudioClock))
2297 *ppv = iface;
2298 else if(IsEqualIID(riid, &IID_IAudioClock2))
2299 *ppv = &This->IAudioClock2_iface;
2300 if(*ppv){
2301 IUnknown_AddRef((IUnknown*)*ppv);
2302 return S_OK;
2305 WARN("Unknown interface %s\n", debugstr_guid(riid));
2306 return E_NOINTERFACE;
2309 static ULONG WINAPI AudioClock_AddRef(IAudioClock *iface)
2311 ACImpl *This = impl_from_IAudioClock(iface);
2312 return IAudioClient_AddRef(&This->IAudioClient_iface);
2315 static ULONG WINAPI AudioClock_Release(IAudioClock *iface)
2317 ACImpl *This = impl_from_IAudioClock(iface);
2318 return IAudioClient_Release(&This->IAudioClient_iface);
2321 static HRESULT WINAPI AudioClock_GetFrequency(IAudioClock *iface, UINT64 *freq)
2323 ACImpl *This = impl_from_IAudioClock(iface);
2325 TRACE("(%p)->(%p)\n", This, freq);
2327 *freq = This->fmt->nSamplesPerSec;
2329 return S_OK;
2332 static HRESULT WINAPI AudioClock_GetPosition(IAudioClock *iface, UINT64 *pos,
2333 UINT64 *qpctime)
2335 ACImpl *This = impl_from_IAudioClock(iface);
2336 UINT32 pad;
2337 HRESULT hr;
2339 TRACE("(%p)->(%p, %p)\n", This, pos, qpctime);
2341 if(!pos)
2342 return E_POINTER;
2344 EnterCriticalSection(&This->lock);
2346 hr = IAudioClient_GetCurrentPadding(&This->IAudioClient_iface, &pad);
2347 if(FAILED(hr)){
2348 LeaveCriticalSection(&This->lock);
2349 return hr;
2352 if(This->dataflow == eRender)
2353 *pos = This->written_frames - pad;
2354 else if(This->dataflow == eCapture)
2355 *pos = This->written_frames + pad;
2357 LeaveCriticalSection(&This->lock);
2359 if(qpctime){
2360 LARGE_INTEGER stamp, freq;
2361 QueryPerformanceCounter(&stamp);
2362 QueryPerformanceFrequency(&freq);
2363 *qpctime = (stamp.QuadPart * (INT64)10000000) / freq.QuadPart;
2366 return S_OK;
2369 static HRESULT WINAPI AudioClock_GetCharacteristics(IAudioClock *iface,
2370 DWORD *chars)
2372 ACImpl *This = impl_from_IAudioClock(iface);
2374 TRACE("(%p)->(%p)\n", This, chars);
2376 if(!chars)
2377 return E_POINTER;
2379 *chars = AUDIOCLOCK_CHARACTERISTIC_FIXED_FREQ;
2381 return S_OK;
2384 static const IAudioClockVtbl AudioClock_Vtbl =
2386 AudioClock_QueryInterface,
2387 AudioClock_AddRef,
2388 AudioClock_Release,
2389 AudioClock_GetFrequency,
2390 AudioClock_GetPosition,
2391 AudioClock_GetCharacteristics
2394 static HRESULT WINAPI AudioClock2_QueryInterface(IAudioClock2 *iface,
2395 REFIID riid, void **ppv)
2397 ACImpl *This = impl_from_IAudioClock2(iface);
2398 return IAudioClock_QueryInterface(&This->IAudioClock_iface, riid, ppv);
2401 static ULONG WINAPI AudioClock2_AddRef(IAudioClock2 *iface)
2403 ACImpl *This = impl_from_IAudioClock2(iface);
2404 return IAudioClient_AddRef(&This->IAudioClient_iface);
2407 static ULONG WINAPI AudioClock2_Release(IAudioClock2 *iface)
2409 ACImpl *This = impl_from_IAudioClock2(iface);
2410 return IAudioClient_Release(&This->IAudioClient_iface);
2413 static HRESULT WINAPI AudioClock2_GetDevicePosition(IAudioClock2 *iface,
2414 UINT64 *pos, UINT64 *qpctime)
2416 ACImpl *This = impl_from_IAudioClock2(iface);
2418 FIXME("(%p)->(%p, %p)\n", This, pos, qpctime);
2420 return E_NOTIMPL;
2423 static const IAudioClock2Vtbl AudioClock2_Vtbl =
2425 AudioClock2_QueryInterface,
2426 AudioClock2_AddRef,
2427 AudioClock2_Release,
2428 AudioClock2_GetDevicePosition
2431 static AudioSessionWrapper *AudioSessionWrapper_Create(ACImpl *client)
2433 AudioSessionWrapper *ret;
2435 ret = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
2436 sizeof(AudioSessionWrapper));
2437 if(!ret)
2438 return NULL;
2440 ret->IAudioSessionControl2_iface.lpVtbl = &AudioSessionControl2_Vtbl;
2441 ret->ISimpleAudioVolume_iface.lpVtbl = &SimpleAudioVolume_Vtbl;
2442 ret->IChannelAudioVolume_iface.lpVtbl = &ChannelAudioVolume_Vtbl;
2444 ret->ref = 1;
2446 ret->client = client;
2447 if(client){
2448 ret->session = client->session;
2449 AudioClient_AddRef(&client->IAudioClient_iface);
2452 return ret;
2455 static HRESULT WINAPI AudioSessionControl_QueryInterface(
2456 IAudioSessionControl2 *iface, REFIID riid, void **ppv)
2458 TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2460 if(!ppv)
2461 return E_POINTER;
2462 *ppv = NULL;
2464 if(IsEqualIID(riid, &IID_IUnknown) ||
2465 IsEqualIID(riid, &IID_IAudioSessionControl) ||
2466 IsEqualIID(riid, &IID_IAudioSessionControl2))
2467 *ppv = iface;
2468 if(*ppv){
2469 IUnknown_AddRef((IUnknown*)*ppv);
2470 return S_OK;
2473 WARN("Unknown interface %s\n", debugstr_guid(riid));
2474 return E_NOINTERFACE;
2477 static ULONG WINAPI AudioSessionControl_AddRef(IAudioSessionControl2 *iface)
2479 AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2480 ULONG ref;
2481 ref = InterlockedIncrement(&This->ref);
2482 TRACE("(%p) Refcount now %u\n", This, ref);
2483 return ref;
2486 static ULONG WINAPI AudioSessionControl_Release(IAudioSessionControl2 *iface)
2488 AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2489 ULONG ref;
2490 ref = InterlockedDecrement(&This->ref);
2491 TRACE("(%p) Refcount now %u\n", This, ref);
2492 if(!ref){
2493 if(This->client){
2494 EnterCriticalSection(&This->client->lock);
2495 This->client->session_wrapper = NULL;
2496 LeaveCriticalSection(&This->client->lock);
2497 AudioClient_Release(&This->client->IAudioClient_iface);
2499 HeapFree(GetProcessHeap(), 0, This);
2501 return ref;
2504 static HRESULT WINAPI AudioSessionControl_GetState(IAudioSessionControl2 *iface,
2505 AudioSessionState *state)
2507 AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2508 ACImpl *client;
2510 TRACE("(%p)->(%p)\n", This, state);
2512 if(!state)
2513 return NULL_PTR_ERR;
2515 EnterCriticalSection(&g_sessions_lock);
2517 if(list_empty(&This->session->clients)){
2518 *state = AudioSessionStateExpired;
2519 LeaveCriticalSection(&g_sessions_lock);
2520 return S_OK;
2523 LIST_FOR_EACH_ENTRY(client, &This->session->clients, ACImpl, entry){
2524 EnterCriticalSection(&client->lock);
2525 if(client->started){
2526 *state = AudioSessionStateActive;
2527 LeaveCriticalSection(&client->lock);
2528 LeaveCriticalSection(&g_sessions_lock);
2529 return S_OK;
2531 LeaveCriticalSection(&client->lock);
2534 LeaveCriticalSection(&g_sessions_lock);
2536 *state = AudioSessionStateInactive;
2538 return S_OK;
2541 static HRESULT WINAPI AudioSessionControl_GetDisplayName(
2542 IAudioSessionControl2 *iface, WCHAR **name)
2544 AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2546 FIXME("(%p)->(%p) - stub\n", This, name);
2548 return E_NOTIMPL;
2551 static HRESULT WINAPI AudioSessionControl_SetDisplayName(
2552 IAudioSessionControl2 *iface, const WCHAR *name, const GUID *session)
2554 AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2556 FIXME("(%p)->(%p, %s) - stub\n", This, name, debugstr_guid(session));
2558 return E_NOTIMPL;
2561 static HRESULT WINAPI AudioSessionControl_GetIconPath(
2562 IAudioSessionControl2 *iface, WCHAR **path)
2564 AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2566 FIXME("(%p)->(%p) - stub\n", This, path);
2568 return E_NOTIMPL;
2571 static HRESULT WINAPI AudioSessionControl_SetIconPath(
2572 IAudioSessionControl2 *iface, const WCHAR *path, const GUID *session)
2574 AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2576 FIXME("(%p)->(%p, %s) - stub\n", This, path, debugstr_guid(session));
2578 return E_NOTIMPL;
2581 static HRESULT WINAPI AudioSessionControl_GetGroupingParam(
2582 IAudioSessionControl2 *iface, GUID *group)
2584 AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2586 FIXME("(%p)->(%p) - stub\n", This, group);
2588 return E_NOTIMPL;
2591 static HRESULT WINAPI AudioSessionControl_SetGroupingParam(
2592 IAudioSessionControl2 *iface, const GUID *group, const GUID *session)
2594 AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2596 FIXME("(%p)->(%s, %s) - stub\n", This, debugstr_guid(group),
2597 debugstr_guid(session));
2599 return E_NOTIMPL;
2602 static HRESULT WINAPI AudioSessionControl_RegisterAudioSessionNotification(
2603 IAudioSessionControl2 *iface, IAudioSessionEvents *events)
2605 AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2607 FIXME("(%p)->(%p) - stub\n", This, events);
2609 return S_OK;
2612 static HRESULT WINAPI AudioSessionControl_UnregisterAudioSessionNotification(
2613 IAudioSessionControl2 *iface, IAudioSessionEvents *events)
2615 AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2617 FIXME("(%p)->(%p) - stub\n", This, events);
2619 return S_OK;
2622 static HRESULT WINAPI AudioSessionControl_GetSessionIdentifier(
2623 IAudioSessionControl2 *iface, WCHAR **id)
2625 AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2627 FIXME("(%p)->(%p) - stub\n", This, id);
2629 return E_NOTIMPL;
2632 static HRESULT WINAPI AudioSessionControl_GetSessionInstanceIdentifier(
2633 IAudioSessionControl2 *iface, WCHAR **id)
2635 AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2637 FIXME("(%p)->(%p) - stub\n", This, id);
2639 return E_NOTIMPL;
2642 static HRESULT WINAPI AudioSessionControl_GetProcessId(
2643 IAudioSessionControl2 *iface, DWORD *pid)
2645 AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2647 TRACE("(%p)->(%p)\n", This, pid);
2649 if(!pid)
2650 return E_POINTER;
2652 *pid = GetCurrentProcessId();
2654 return S_OK;
2657 static HRESULT WINAPI AudioSessionControl_IsSystemSoundsSession(
2658 IAudioSessionControl2 *iface)
2660 AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2662 TRACE("(%p)\n", This);
2664 return S_FALSE;
2667 static HRESULT WINAPI AudioSessionControl_SetDuckingPreference(
2668 IAudioSessionControl2 *iface, BOOL optout)
2670 AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2672 TRACE("(%p)->(%d)\n", This, optout);
2674 return S_OK;
2677 static const IAudioSessionControl2Vtbl AudioSessionControl2_Vtbl =
2679 AudioSessionControl_QueryInterface,
2680 AudioSessionControl_AddRef,
2681 AudioSessionControl_Release,
2682 AudioSessionControl_GetState,
2683 AudioSessionControl_GetDisplayName,
2684 AudioSessionControl_SetDisplayName,
2685 AudioSessionControl_GetIconPath,
2686 AudioSessionControl_SetIconPath,
2687 AudioSessionControl_GetGroupingParam,
2688 AudioSessionControl_SetGroupingParam,
2689 AudioSessionControl_RegisterAudioSessionNotification,
2690 AudioSessionControl_UnregisterAudioSessionNotification,
2691 AudioSessionControl_GetSessionIdentifier,
2692 AudioSessionControl_GetSessionInstanceIdentifier,
2693 AudioSessionControl_GetProcessId,
2694 AudioSessionControl_IsSystemSoundsSession,
2695 AudioSessionControl_SetDuckingPreference
2698 static HRESULT WINAPI SimpleAudioVolume_QueryInterface(
2699 ISimpleAudioVolume *iface, REFIID riid, void **ppv)
2701 TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2703 if(!ppv)
2704 return E_POINTER;
2705 *ppv = NULL;
2707 if(IsEqualIID(riid, &IID_IUnknown) ||
2708 IsEqualIID(riid, &IID_ISimpleAudioVolume))
2709 *ppv = iface;
2710 if(*ppv){
2711 IUnknown_AddRef((IUnknown*)*ppv);
2712 return S_OK;
2715 WARN("Unknown interface %s\n", debugstr_guid(riid));
2716 return E_NOINTERFACE;
2719 static ULONG WINAPI SimpleAudioVolume_AddRef(ISimpleAudioVolume *iface)
2721 AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2722 return AudioSessionControl_AddRef(&This->IAudioSessionControl2_iface);
2725 static ULONG WINAPI SimpleAudioVolume_Release(ISimpleAudioVolume *iface)
2727 AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2728 return AudioSessionControl_Release(&This->IAudioSessionControl2_iface);
2731 static HRESULT WINAPI SimpleAudioVolume_SetMasterVolume(
2732 ISimpleAudioVolume *iface, float level, const GUID *context)
2734 AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2735 AudioSession *session = This->session;
2737 TRACE("(%p)->(%f, %s)\n", session, level, wine_dbgstr_guid(context));
2739 if(level < 0.f || level > 1.f)
2740 return E_INVALIDARG;
2742 if(context)
2743 FIXME("Notifications not supported yet\n");
2745 TRACE("ALSA does not support volume control\n");
2747 EnterCriticalSection(&session->lock);
2749 session->master_vol = level;
2751 LeaveCriticalSection(&session->lock);
2753 return S_OK;
2756 static HRESULT WINAPI SimpleAudioVolume_GetMasterVolume(
2757 ISimpleAudioVolume *iface, float *level)
2759 AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2760 AudioSession *session = This->session;
2762 TRACE("(%p)->(%p)\n", session, level);
2764 if(!level)
2765 return NULL_PTR_ERR;
2767 *level = session->master_vol;
2769 return S_OK;
2772 static HRESULT WINAPI SimpleAudioVolume_SetMute(ISimpleAudioVolume *iface,
2773 BOOL mute, const GUID *context)
2775 AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2776 AudioSession *session = This->session;
2778 TRACE("(%p)->(%u, %p)\n", session, mute, context);
2780 if(context)
2781 FIXME("Notifications not supported yet\n");
2783 session->mute = mute;
2785 return S_OK;
2788 static HRESULT WINAPI SimpleAudioVolume_GetMute(ISimpleAudioVolume *iface,
2789 BOOL *mute)
2791 AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2792 AudioSession *session = This->session;
2794 TRACE("(%p)->(%p)\n", session, mute);
2796 if(!mute)
2797 return NULL_PTR_ERR;
2799 *mute = session->mute;
2801 return S_OK;
2804 static const ISimpleAudioVolumeVtbl SimpleAudioVolume_Vtbl =
2806 SimpleAudioVolume_QueryInterface,
2807 SimpleAudioVolume_AddRef,
2808 SimpleAudioVolume_Release,
2809 SimpleAudioVolume_SetMasterVolume,
2810 SimpleAudioVolume_GetMasterVolume,
2811 SimpleAudioVolume_SetMute,
2812 SimpleAudioVolume_GetMute
2815 static HRESULT WINAPI AudioStreamVolume_QueryInterface(
2816 IAudioStreamVolume *iface, REFIID riid, void **ppv)
2818 TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2820 if(!ppv)
2821 return E_POINTER;
2822 *ppv = NULL;
2824 if(IsEqualIID(riid, &IID_IUnknown) ||
2825 IsEqualIID(riid, &IID_IAudioStreamVolume))
2826 *ppv = iface;
2827 if(*ppv){
2828 IUnknown_AddRef((IUnknown*)*ppv);
2829 return S_OK;
2832 WARN("Unknown interface %s\n", debugstr_guid(riid));
2833 return E_NOINTERFACE;
2836 static ULONG WINAPI AudioStreamVolume_AddRef(IAudioStreamVolume *iface)
2838 ACImpl *This = impl_from_IAudioStreamVolume(iface);
2839 return IAudioClient_AddRef(&This->IAudioClient_iface);
2842 static ULONG WINAPI AudioStreamVolume_Release(IAudioStreamVolume *iface)
2844 ACImpl *This = impl_from_IAudioStreamVolume(iface);
2845 return IAudioClient_Release(&This->IAudioClient_iface);
2848 static HRESULT WINAPI AudioStreamVolume_GetChannelCount(
2849 IAudioStreamVolume *iface, UINT32 *out)
2851 ACImpl *This = impl_from_IAudioStreamVolume(iface);
2853 TRACE("(%p)->(%p)\n", This, out);
2855 if(!out)
2856 return E_POINTER;
2858 *out = This->fmt->nChannels;
2860 return S_OK;
2863 static HRESULT WINAPI AudioStreamVolume_SetChannelVolume(
2864 IAudioStreamVolume *iface, UINT32 index, float level)
2866 ACImpl *This = impl_from_IAudioStreamVolume(iface);
2868 TRACE("(%p)->(%d, %f)\n", This, index, level);
2870 if(level < 0.f || level > 1.f)
2871 return E_INVALIDARG;
2873 if(index >= This->fmt->nChannels)
2874 return E_INVALIDARG;
2876 TRACE("ALSA does not support volume control\n");
2878 EnterCriticalSection(&This->lock);
2880 This->vols[index] = level;
2882 LeaveCriticalSection(&This->lock);
2884 return S_OK;
2887 static HRESULT WINAPI AudioStreamVolume_GetChannelVolume(
2888 IAudioStreamVolume *iface, UINT32 index, float *level)
2890 ACImpl *This = impl_from_IAudioStreamVolume(iface);
2892 TRACE("(%p)->(%d, %p)\n", This, index, level);
2894 if(!level)
2895 return E_POINTER;
2897 if(index >= This->fmt->nChannels)
2898 return E_INVALIDARG;
2900 *level = This->vols[index];
2902 return S_OK;
2905 static HRESULT WINAPI AudioStreamVolume_SetAllVolumes(
2906 IAudioStreamVolume *iface, UINT32 count, const float *levels)
2908 ACImpl *This = impl_from_IAudioStreamVolume(iface);
2909 int i;
2911 TRACE("(%p)->(%d, %p)\n", This, count, levels);
2913 if(!levels)
2914 return E_POINTER;
2916 if(count != This->fmt->nChannels)
2917 return E_INVALIDARG;
2919 TRACE("ALSA does not support volume control\n");
2921 EnterCriticalSection(&This->lock);
2923 for(i = 0; i < count; ++i)
2924 This->vols[i] = levels[i];
2926 LeaveCriticalSection(&This->lock);
2928 return S_OK;
2931 static HRESULT WINAPI AudioStreamVolume_GetAllVolumes(
2932 IAudioStreamVolume *iface, UINT32 count, float *levels)
2934 ACImpl *This = impl_from_IAudioStreamVolume(iface);
2935 int i;
2937 TRACE("(%p)->(%d, %p)\n", This, count, levels);
2939 if(!levels)
2940 return E_POINTER;
2942 if(count != This->fmt->nChannels)
2943 return E_INVALIDARG;
2945 EnterCriticalSection(&This->lock);
2947 for(i = 0; i < count; ++i)
2948 levels[i] = This->vols[i];
2950 LeaveCriticalSection(&This->lock);
2952 return S_OK;
2955 static const IAudioStreamVolumeVtbl AudioStreamVolume_Vtbl =
2957 AudioStreamVolume_QueryInterface,
2958 AudioStreamVolume_AddRef,
2959 AudioStreamVolume_Release,
2960 AudioStreamVolume_GetChannelCount,
2961 AudioStreamVolume_SetChannelVolume,
2962 AudioStreamVolume_GetChannelVolume,
2963 AudioStreamVolume_SetAllVolumes,
2964 AudioStreamVolume_GetAllVolumes
2967 static HRESULT WINAPI ChannelAudioVolume_QueryInterface(
2968 IChannelAudioVolume *iface, REFIID riid, void **ppv)
2970 TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2972 if(!ppv)
2973 return E_POINTER;
2974 *ppv = NULL;
2976 if(IsEqualIID(riid, &IID_IUnknown) ||
2977 IsEqualIID(riid, &IID_IChannelAudioVolume))
2978 *ppv = iface;
2979 if(*ppv){
2980 IUnknown_AddRef((IUnknown*)*ppv);
2981 return S_OK;
2984 WARN("Unknown interface %s\n", debugstr_guid(riid));
2985 return E_NOINTERFACE;
2988 static ULONG WINAPI ChannelAudioVolume_AddRef(IChannelAudioVolume *iface)
2990 AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
2991 return AudioSessionControl_AddRef(&This->IAudioSessionControl2_iface);
2994 static ULONG WINAPI ChannelAudioVolume_Release(IChannelAudioVolume *iface)
2996 AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
2997 return AudioSessionControl_Release(&This->IAudioSessionControl2_iface);
3000 static HRESULT WINAPI ChannelAudioVolume_GetChannelCount(
3001 IChannelAudioVolume *iface, UINT32 *out)
3003 AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
3004 AudioSession *session = This->session;
3006 TRACE("(%p)->(%p)\n", session, out);
3008 if(!out)
3009 return NULL_PTR_ERR;
3011 *out = session->channel_count;
3013 return S_OK;
3016 static HRESULT WINAPI ChannelAudioVolume_SetChannelVolume(
3017 IChannelAudioVolume *iface, UINT32 index, float level,
3018 const GUID *context)
3020 AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
3021 AudioSession *session = This->session;
3023 TRACE("(%p)->(%d, %f, %s)\n", session, index, level,
3024 wine_dbgstr_guid(context));
3026 if(level < 0.f || level > 1.f)
3027 return E_INVALIDARG;
3029 if(index >= session->channel_count)
3030 return E_INVALIDARG;
3032 if(context)
3033 FIXME("Notifications not supported yet\n");
3035 TRACE("ALSA does not support volume control\n");
3037 EnterCriticalSection(&session->lock);
3039 session->channel_vols[index] = level;
3041 LeaveCriticalSection(&session->lock);
3043 return S_OK;
3046 static HRESULT WINAPI ChannelAudioVolume_GetChannelVolume(
3047 IChannelAudioVolume *iface, UINT32 index, float *level)
3049 AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
3050 AudioSession *session = This->session;
3052 TRACE("(%p)->(%d, %p)\n", session, index, level);
3054 if(!level)
3055 return NULL_PTR_ERR;
3057 if(index >= session->channel_count)
3058 return E_INVALIDARG;
3060 *level = session->channel_vols[index];
3062 return S_OK;
3065 static HRESULT WINAPI ChannelAudioVolume_SetAllVolumes(
3066 IChannelAudioVolume *iface, UINT32 count, const float *levels,
3067 const GUID *context)
3069 AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
3070 AudioSession *session = This->session;
3071 int i;
3073 TRACE("(%p)->(%d, %p, %s)\n", session, count, levels,
3074 wine_dbgstr_guid(context));
3076 if(!levels)
3077 return NULL_PTR_ERR;
3079 if(count != session->channel_count)
3080 return E_INVALIDARG;
3082 if(context)
3083 FIXME("Notifications not supported yet\n");
3085 TRACE("ALSA does not support volume control\n");
3087 EnterCriticalSection(&session->lock);
3089 for(i = 0; i < count; ++i)
3090 session->channel_vols[i] = levels[i];
3092 LeaveCriticalSection(&session->lock);
3094 return S_OK;
3097 static HRESULT WINAPI ChannelAudioVolume_GetAllVolumes(
3098 IChannelAudioVolume *iface, UINT32 count, float *levels)
3100 AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
3101 AudioSession *session = This->session;
3102 int i;
3104 TRACE("(%p)->(%d, %p)\n", session, count, levels);
3106 if(!levels)
3107 return NULL_PTR_ERR;
3109 if(count != session->channel_count)
3110 return E_INVALIDARG;
3112 for(i = 0; i < count; ++i)
3113 levels[i] = session->channel_vols[i];
3115 return S_OK;
3118 static const IChannelAudioVolumeVtbl ChannelAudioVolume_Vtbl =
3120 ChannelAudioVolume_QueryInterface,
3121 ChannelAudioVolume_AddRef,
3122 ChannelAudioVolume_Release,
3123 ChannelAudioVolume_GetChannelCount,
3124 ChannelAudioVolume_SetChannelVolume,
3125 ChannelAudioVolume_GetChannelVolume,
3126 ChannelAudioVolume_SetAllVolumes,
3127 ChannelAudioVolume_GetAllVolumes
3130 static HRESULT WINAPI AudioSessionManager_QueryInterface(IAudioSessionManager2 *iface,
3131 REFIID riid, void **ppv)
3133 TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
3135 if(!ppv)
3136 return E_POINTER;
3137 *ppv = NULL;
3139 if(IsEqualIID(riid, &IID_IUnknown) ||
3140 IsEqualIID(riid, &IID_IAudioSessionManager) ||
3141 IsEqualIID(riid, &IID_IAudioSessionManager2))
3142 *ppv = iface;
3143 if(*ppv){
3144 IUnknown_AddRef((IUnknown*)*ppv);
3145 return S_OK;
3148 WARN("Unknown interface %s\n", debugstr_guid(riid));
3149 return E_NOINTERFACE;
3152 static ULONG WINAPI AudioSessionManager_AddRef(IAudioSessionManager2 *iface)
3154 SessionMgr *This = impl_from_IAudioSessionManager2(iface);
3155 ULONG ref;
3156 ref = InterlockedIncrement(&This->ref);
3157 TRACE("(%p) Refcount now %u\n", This, ref);
3158 return ref;
3161 static ULONG WINAPI AudioSessionManager_Release(IAudioSessionManager2 *iface)
3163 SessionMgr *This = impl_from_IAudioSessionManager2(iface);
3164 ULONG ref;
3165 ref = InterlockedDecrement(&This->ref);
3166 TRACE("(%p) Refcount now %u\n", This, ref);
3167 if(!ref)
3168 HeapFree(GetProcessHeap(), 0, This);
3169 return ref;
3172 static HRESULT WINAPI AudioSessionManager_GetAudioSessionControl(
3173 IAudioSessionManager2 *iface, const GUID *session_guid, DWORD flags,
3174 IAudioSessionControl **out)
3176 SessionMgr *This = impl_from_IAudioSessionManager2(iface);
3177 AudioSession *session;
3178 AudioSessionWrapper *wrapper;
3179 HRESULT hr;
3181 TRACE("(%p)->(%s, %x, %p)\n", This, debugstr_guid(session_guid),
3182 flags, out);
3184 hr = get_audio_session(session_guid, This->device, 0, &session);
3185 if(FAILED(hr))
3186 return hr;
3188 wrapper = AudioSessionWrapper_Create(NULL);
3189 if(!wrapper)
3190 return E_OUTOFMEMORY;
3192 wrapper->session = session;
3194 *out = (IAudioSessionControl*)&wrapper->IAudioSessionControl2_iface;
3196 return S_OK;
3199 static HRESULT WINAPI AudioSessionManager_GetSimpleAudioVolume(
3200 IAudioSessionManager2 *iface, const GUID *session_guid, DWORD flags,
3201 ISimpleAudioVolume **out)
3203 SessionMgr *This = impl_from_IAudioSessionManager2(iface);
3204 AudioSession *session;
3205 AudioSessionWrapper *wrapper;
3206 HRESULT hr;
3208 TRACE("(%p)->(%s, %x, %p)\n", This, debugstr_guid(session_guid),
3209 flags, out);
3211 hr = get_audio_session(session_guid, This->device, 0, &session);
3212 if(FAILED(hr))
3213 return hr;
3215 wrapper = AudioSessionWrapper_Create(NULL);
3216 if(!wrapper)
3217 return E_OUTOFMEMORY;
3219 wrapper->session = session;
3221 *out = &wrapper->ISimpleAudioVolume_iface;
3223 return S_OK;
3226 static HRESULT WINAPI AudioSessionManager_GetSessionEnumerator(
3227 IAudioSessionManager2 *iface, IAudioSessionEnumerator **out)
3229 SessionMgr *This = impl_from_IAudioSessionManager2(iface);
3230 FIXME("(%p)->(%p) - stub\n", This, out);
3231 return E_NOTIMPL;
3234 static HRESULT WINAPI AudioSessionManager_RegisterSessionNotification(
3235 IAudioSessionManager2 *iface, IAudioSessionNotification *notification)
3237 SessionMgr *This = impl_from_IAudioSessionManager2(iface);
3238 FIXME("(%p)->(%p) - stub\n", This, notification);
3239 return E_NOTIMPL;
3242 static HRESULT WINAPI AudioSessionManager_UnregisterSessionNotification(
3243 IAudioSessionManager2 *iface, IAudioSessionNotification *notification)
3245 SessionMgr *This = impl_from_IAudioSessionManager2(iface);
3246 FIXME("(%p)->(%p) - stub\n", This, notification);
3247 return E_NOTIMPL;
3250 static HRESULT WINAPI AudioSessionManager_RegisterDuckNotification(
3251 IAudioSessionManager2 *iface, const WCHAR *session_id,
3252 IAudioVolumeDuckNotification *notification)
3254 SessionMgr *This = impl_from_IAudioSessionManager2(iface);
3255 FIXME("(%p)->(%p) - stub\n", This, notification);
3256 return E_NOTIMPL;
3259 static HRESULT WINAPI AudioSessionManager_UnregisterDuckNotification(
3260 IAudioSessionManager2 *iface,
3261 IAudioVolumeDuckNotification *notification)
3263 SessionMgr *This = impl_from_IAudioSessionManager2(iface);
3264 FIXME("(%p)->(%p) - stub\n", This, notification);
3265 return E_NOTIMPL;
3268 static const IAudioSessionManager2Vtbl AudioSessionManager2_Vtbl =
3270 AudioSessionManager_QueryInterface,
3271 AudioSessionManager_AddRef,
3272 AudioSessionManager_Release,
3273 AudioSessionManager_GetAudioSessionControl,
3274 AudioSessionManager_GetSimpleAudioVolume,
3275 AudioSessionManager_GetSessionEnumerator,
3276 AudioSessionManager_RegisterSessionNotification,
3277 AudioSessionManager_UnregisterSessionNotification,
3278 AudioSessionManager_RegisterDuckNotification,
3279 AudioSessionManager_UnregisterDuckNotification
3282 HRESULT WINAPI AUDDRV_GetAudioSessionManager(IMMDevice *device,
3283 IAudioSessionManager2 **out)
3285 SessionMgr *This;
3287 This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(SessionMgr));
3288 if(!This)
3289 return E_OUTOFMEMORY;
3291 This->IAudioSessionManager2_iface.lpVtbl = &AudioSessionManager2_Vtbl;
3292 This->device = device;
3293 This->ref = 1;
3295 *out = &This->IAudioSessionManager2_iface;
3297 return S_OK;