git.oblomov.eu Git - wine/blob - dlls/winecoreaudio.drv/mmdevdrv.c

   1 /*
   2  * Copyright 2011 Andrew Eikum for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #define NONAMELESSUNION
  20 #define COBJMACROS
  21 #include "config.h"
  22
  23 #include <stdarg.h>
  24
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "winnls.h"
  28 #include "winreg.h"
  29 #include "wine/debug.h"
  30 #include "wine/unicode.h"
  31 #include "wine/list.h"
  32
  33 #include "ole2.h"
  34 #include "mmdeviceapi.h"
  35 #include "devpkey.h"
  36 #include "dshow.h"
  37 #include "dsound.h"
  38
  39 #include "initguid.h"
  40 #include "endpointvolume.h"
  41 #include "audioclient.h"
  42 #include "audiopolicy.h"
  43
  44 #include <errno.h>
  45 #include <limits.h>
  46 #include <stdio.h>
  47 #include <stdlib.h>
  48 #include <string.h>
  49 #include <sys/types.h>
  50 #include <sys/stat.h>
  51 #include <sys/ioctl.h>
  52 #include <fcntl.h>
  53 #include <unistd.h>
  54
  55 #include <libkern/OSAtomic.h>
  56 #include <CoreAudio/CoreAudio.h>
  57 #include <AudioToolbox/AudioQueue.h>
  58
  59 WINE_DEFAULT_DEBUG_CHANNEL(coreaudio);
  60
  61 #define NULL_PTR_ERR MAKE_HRESULT(SEVERITY_ERROR, FACILITY_WIN32, RPC_X_NULL_REF_POINTER)
  62
  63 #define CAPTURE_BUFFERS 5
  64
  65 static const REFERENCE_TIME DefaultPeriod = 200000;
  66 static const REFERENCE_TIME MinimumPeriod = 100000;
  67
  68 typedef struct _QueuedBufInfo {
  69     Float64 start_sampletime;
  70     UINT64 start_pos;
  71     UINT32 len_frames;
  72     struct list entry;
  73 } QueuedBufInfo;
  74
  75 typedef struct _AQBuffer {
  76     AudioQueueBufferRef buf;
  77     struct list entry;
  78 } AQBuffer;
  79
  80 struct ACImpl;
  81 typedef struct ACImpl ACImpl;
  82
  83 typedef struct _AudioSession {
  84     GUID guid;
  85     struct list clients;
  86
  87     IMMDevice *device;
  88
  89     float master_vol;
  90     UINT32 channel_count;
  91     float *channel_vols;
  92     BOOL mute;
  93
  94     CRITICAL_SECTION lock;
  95
  96     struct list entry;
  97 } AudioSession;
  98
  99 typedef struct _AudioSessionWrapper {
 100     IAudioSessionControl2 IAudioSessionControl2_iface;
 101     IChannelAudioVolume IChannelAudioVolume_iface;
 102     ISimpleAudioVolume ISimpleAudioVolume_iface;
 103
 104     LONG ref;
 105
 106     ACImpl *client;
 107     AudioSession *session;
 108 } AudioSessionWrapper;
 109
 110 struct ACImpl {
 111     IAudioClient IAudioClient_iface;
 112     IAudioRenderClient IAudioRenderClient_iface;
 113     IAudioCaptureClient IAudioCaptureClient_iface;
 114     IAudioClock IAudioClock_iface;
 115     IAudioClock2 IAudioClock2_iface;
 116     IAudioStreamVolume IAudioStreamVolume_iface;
 117
 118     LONG ref;
 119
 120     IMMDevice *parent;
 121
 122     WAVEFORMATEX *fmt;
 123
 124     EDataFlow dataflow;
 125     DWORD flags;
 126     AUDCLNT_SHAREMODE share;
 127     HANDLE event;
 128     float *vols;
 129
 130     AudioDeviceID adevid;
 131     AudioQueueRef aqueue;
 132     AudioObjectPropertyScope scope;
 133     HANDLE timer;
 134     UINT32 period_ms, bufsize_frames, inbuf_frames;
 135     UINT64 last_time, written_frames;
 136     AudioQueueBufferRef public_buffer;
 137     UINT32 getbuf_last;
 138     int playing;
 139
 140     Float64 highest_sampletime;
 141
 142     AudioSession *session;
 143     AudioSessionWrapper *session_wrapper;
 144
 145     struct list entry;
 146
 147     struct list avail_buffers;
 148     struct list queued_bufinfos;
 149
 150     /* We can't use debug printing or {Enter,Leave}CriticalSection from
 151      * OSX callback threads, so we use OSX's OSSpinLock for synchronization
 152      * instead. OSSpinLock is not a recursive lock, so don't call
 153      * synchronized functions while holding the lock. */
 154     OSSpinLock lock;
 155 };
 156
 157 enum PlayingStates {
 158     StateStopped = 0,
 159     StatePlaying,
 160     StateInTransition
 161 };
 162
 163 static const IAudioClientVtbl AudioClient_Vtbl;
 164 static const IAudioRenderClientVtbl AudioRenderClient_Vtbl;
 165 static const IAudioCaptureClientVtbl AudioCaptureClient_Vtbl;
 166 static const IAudioSessionControl2Vtbl AudioSessionControl2_Vtbl;
 167 static const ISimpleAudioVolumeVtbl SimpleAudioVolume_Vtbl;
 168 static const IAudioClockVtbl AudioClock_Vtbl;
 169 static const IAudioClock2Vtbl AudioClock2_Vtbl;
 170 static const IAudioStreamVolumeVtbl AudioStreamVolume_Vtbl;
 171 static const IChannelAudioVolumeVtbl ChannelAudioVolume_Vtbl;
 172 static const IAudioSessionManager2Vtbl AudioSessionManager2_Vtbl;
 173
 174 typedef struct _SessionMgr {
 175     IAudioSessionManager2 IAudioSessionManager2_iface;
 176
 177     LONG ref;
 178
 179     IMMDevice *device;
 180 } SessionMgr;
 181
 182 static HANDLE g_timer_q;
 183
 184 static CRITICAL_SECTION g_sessions_lock;
 185 static CRITICAL_SECTION_DEBUG g_sessions_lock_debug =
 186 {
 187     0, 0, &g_sessions_lock,
 188     { &g_sessions_lock_debug.ProcessLocksList, &g_sessions_lock_debug.ProcessLocksList },
 189       0, 0, { (DWORD_PTR)(__FILE__ ": g_sessions_lock") }
 190 };
 191 static CRITICAL_SECTION g_sessions_lock = { &g_sessions_lock_debug, -1, 0, 0, 0, 0 };
 192 static struct list g_sessions = LIST_INIT(g_sessions);
 193
 194 static HRESULT AudioClock_GetPosition_nolock(ACImpl *This, UINT64 *pos,
 195         UINT64 *qpctime);
 196 static AudioSessionWrapper *AudioSessionWrapper_Create(ACImpl *client);
 197 static HRESULT ca_setvol(ACImpl *This, UINT32 index);
 198
 199 static inline ACImpl *impl_from_IAudioClient(IAudioClient *iface)
 200 {
 201     return CONTAINING_RECORD(iface, ACImpl, IAudioClient_iface);
 202 }
 203
 204 static inline ACImpl *impl_from_IAudioRenderClient(IAudioRenderClient *iface)
 205 {
 206     return CONTAINING_RECORD(iface, ACImpl, IAudioRenderClient_iface);
 207 }
 208
 209 static inline ACImpl *impl_from_IAudioCaptureClient(IAudioCaptureClient *iface)
 210 {
 211     return CONTAINING_RECORD(iface, ACImpl, IAudioCaptureClient_iface);
 212 }
 213
 214 static inline AudioSessionWrapper *impl_from_IAudioSessionControl2(IAudioSessionControl2 *iface)
 215 {
 216     return CONTAINING_RECORD(iface, AudioSessionWrapper, IAudioSessionControl2_iface);
 217 }
 218
 219 static inline AudioSessionWrapper *impl_from_ISimpleAudioVolume(ISimpleAudioVolume *iface)
 220 {
 221     return CONTAINING_RECORD(iface, AudioSessionWrapper, ISimpleAudioVolume_iface);
 222 }
 223
 224 static inline AudioSessionWrapper *impl_from_IChannelAudioVolume(IChannelAudioVolume *iface)
 225 {
 226     return CONTAINING_RECORD(iface, AudioSessionWrapper, IChannelAudioVolume_iface);
 227 }
 228
 229 static inline ACImpl *impl_from_IAudioClock(IAudioClock *iface)
 230 {
 231     return CONTAINING_RECORD(iface, ACImpl, IAudioClock_iface);
 232 }
 233
 234 static inline ACImpl *impl_from_IAudioClock2(IAudioClock2 *iface)
 235 {
 236     return CONTAINING_RECORD(iface, ACImpl, IAudioClock2_iface);
 237 }
 238
 239 static inline ACImpl *impl_from_IAudioStreamVolume(IAudioStreamVolume *iface)
 240 {
 241     return CONTAINING_RECORD(iface, ACImpl, IAudioStreamVolume_iface);
 242 }
 243
 244 static inline SessionMgr *impl_from_IAudioSessionManager2(IAudioSessionManager2 *iface)
 245 {
 246     return CONTAINING_RECORD(iface, SessionMgr, IAudioSessionManager2_iface);
 247 }
 248
 249 BOOL WINAPI DllMain(HINSTANCE dll, DWORD reason, void *reserved)
 250 {
 251     switch (reason)
 252     {
 253     case DLL_PROCESS_ATTACH:
 254         g_timer_q = CreateTimerQueue();
 255         if(!g_timer_q)
 256             return FALSE;
 257         break;
 258
 259     case DLL_PROCESS_DETACH:
 260         DeleteCriticalSection(&g_sessions_lock);
 261         break;
 262     }
 263     return TRUE;
 264 }
 265
 266 /* From <dlls/mmdevapi/mmdevapi.h> */
 267 enum DriverPriority {
 268     Priority_Unavailable = 0,
 269     Priority_Low,
 270     Priority_Neutral,
 271     Priority_Preferred
 272 };
 273
 274 int WINAPI AUDDRV_GetPriority(void)
 275 {
 276     return Priority_Neutral;
 277 }
 278
 279 HRESULT WINAPI AUDDRV_GetEndpointIDs(EDataFlow flow, WCHAR ***ids,
 280         AudioDeviceID ***keys, UINT *num, UINT *def_index)
 281 {
 282     UInt32 devsize, size;
 283     AudioDeviceID *devices;
 284     AudioDeviceID default_id;
 285     AudioObjectPropertyAddress addr;
 286     OSStatus sc;
 287     int i, ndevices;
 288
 289     TRACE("%d %p %p %p\n", flow, ids, num, def_index);
 290
 291     addr.mScope = kAudioObjectPropertyScopeGlobal;
 292     addr.mElement = kAudioObjectPropertyElementMaster;
 293     if(flow == eRender)
 294         addr.mSelector = kAudioHardwarePropertyDefaultOutputDevice;
 295     else if(flow == eCapture)
 296         addr.mSelector = kAudioHardwarePropertyDefaultInputDevice;
 297     else
 298         return E_INVALIDARG;
 299
 300     size = sizeof(default_id);
 301     sc = AudioObjectGetPropertyData(kAudioObjectSystemObject, &addr, 0,
 302             NULL, &size, &default_id);
 303     if(sc != noErr){
 304         WARN("Getting _DefaultInputDevice property failed: %lx\n", sc);
 305         default_id = -1;
 306     }
 307
 308     addr.mSelector = kAudioHardwarePropertyDevices;
 309     sc = AudioObjectGetPropertyDataSize(kAudioObjectSystemObject, &addr, 0,
 310             NULL, &devsize);
 311     if(sc != noErr){
 312         WARN("Getting _Devices property size failed: %lx\n", sc);
 313         return E_FAIL;
 314     }
 315
 316     devices = HeapAlloc(GetProcessHeap(), 0, devsize);
 317     if(!devices)
 318         return E_OUTOFMEMORY;
 319
 320     sc = AudioObjectGetPropertyData(kAudioObjectSystemObject, &addr, 0, NULL,
 321             &devsize, devices);
 322     if(sc != noErr){
 323         WARN("Getting _Devices property failed: %lx\n", sc);
 324         HeapFree(GetProcessHeap(), 0, devices);
 325         return E_FAIL;
 326     }
 327
 328     ndevices = devsize / sizeof(AudioDeviceID);
 329
 330     *ids = HeapAlloc(GetProcessHeap(), 0, ndevices * sizeof(WCHAR *));
 331     if(!*ids){
 332         HeapFree(GetProcessHeap(), 0, devices);
 333         return E_OUTOFMEMORY;
 334     }
 335
 336     *keys = HeapAlloc(GetProcessHeap(), 0, ndevices * sizeof(AudioDeviceID *));
 337     if(!*ids){
 338         HeapFree(GetProcessHeap(), 0, *ids);
 339         HeapFree(GetProcessHeap(), 0, devices);
 340         return E_OUTOFMEMORY;
 341     }
 342
 343     *num = 0;
 344     *def_index = (UINT)-1;
 345     for(i = 0; i < ndevices; ++i){
 346         AudioBufferList *buffers;
 347         CFStringRef name;
 348         SIZE_T len;
 349         int j;
 350
 351         addr.mSelector = kAudioDevicePropertyStreamConfiguration;
 352         if(flow == eRender)
 353             addr.mScope = kAudioDevicePropertyScopeOutput;
 354         else
 355             addr.mScope = kAudioDevicePropertyScopeInput;
 356         addr.mElement = 0;
 357         sc = AudioObjectGetPropertyDataSize(devices[i], &addr, 0, NULL, &size);
 358         if(sc != noErr){
 359             WARN("Unable to get _StreamConfiguration property size for "
 360                     "device %lu: %lx\n", devices[i], sc);
 361             continue;
 362         }
 363
 364         buffers = HeapAlloc(GetProcessHeap(), 0, size);
 365         if(!buffers){
 366             HeapFree(GetProcessHeap(), 0, devices);
 367             for(j = 0; j < *num; ++j){
 368                 HeapFree(GetProcessHeap(), 0, (*ids)[j]);
 369                 HeapFree(GetProcessHeap(), 0, (*keys)[j]);
 370             }
 371             HeapFree(GetProcessHeap(), 0, *keys);
 372             HeapFree(GetProcessHeap(), 0, *ids);
 373             return E_OUTOFMEMORY;
 374         }
 375
 376         sc = AudioObjectGetPropertyData(devices[i], &addr, 0, NULL,
 377                 &size, buffers);
 378         if(sc != noErr){
 379             WARN("Unable to get _StreamConfiguration property for "
 380                     "device %lu: %lx\n", devices[i], sc);
 381             HeapFree(GetProcessHeap(), 0, buffers);
 382             continue;
 383         }
 384
 385         /* check that there's at least one channel in this device before
 386          * we claim it as usable */
 387         for(j = 0; j < buffers->mNumberBuffers; ++j)
 388             if(buffers->mBuffers[j].mNumberChannels > 0)
 389                 break;
 390         if(j >= buffers->mNumberBuffers){
 391             HeapFree(GetProcessHeap(), 0, buffers);
 392             continue;
 393         }
 394
 395         HeapFree(GetProcessHeap(), 0, buffers);
 396
 397         size = sizeof(name);
 398         addr.mSelector = kAudioObjectPropertyName;
 399         sc = AudioObjectGetPropertyData(devices[i], &addr, 0, NULL,
 400                 &size, &name);
 401         if(sc != noErr){
 402             WARN("Unable to get _Name property for device %lu: %lx\n",
 403                     devices[i], sc);
 404             continue;
 405         }
 406
 407         len = CFStringGetLength(name) + 1;
 408         (*ids)[*num] = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 409         if(!(*ids)[*num]){
 410             CFRelease(name);
 411             HeapFree(GetProcessHeap(), 0, devices);
 412             for(j = 0; j < *num; ++j){
 413                 HeapFree(GetProcessHeap(), 0, (*ids)[j]);
 414                 HeapFree(GetProcessHeap(), 0, (*keys)[j]);
 415             }
 416             HeapFree(GetProcessHeap(), 0, *ids);
 417             HeapFree(GetProcessHeap(), 0, *keys);
 418             return E_OUTOFMEMORY;
 419         }
 420         CFStringGetCharacters(name, CFRangeMake(0, len - 1), (UniChar*)(*ids)[*num]);
 421         ((*ids)[*num])[len - 1] = 0;
 422         CFRelease(name);
 423
 424         (*keys)[*num] = HeapAlloc(GetProcessHeap(), 0, sizeof(AudioDeviceID));
 425         if(!(*keys)[*num]){
 426             HeapFree(GetProcessHeap(), 0, devices);
 427             HeapFree(GetProcessHeap(), 0, (*ids)[*num]);
 428             for(j = 0; j < *num; ++j){
 429                 HeapFree(GetProcessHeap(), 0, (*ids)[j]);
 430                 HeapFree(GetProcessHeap(), 0, (*keys)[j]);
 431             }
 432             HeapFree(GetProcessHeap(), 0, *ids);
 433             HeapFree(GetProcessHeap(), 0, *keys);
 434             return E_OUTOFMEMORY;
 435         }
 436         *(*keys)[*num] = devices[i];
 437
 438         if(*def_index == (UINT)-1 && devices[i] == default_id)
 439             *def_index = *num;
 440
 441         TRACE("device %u: id %s key %u%s\n", *num, debugstr_w((*ids)[*num]),
 442               (unsigned int)*(*keys)[*num], (*def_index == *num) ? " (default)" : "");
 443
 444         (*num)++;
 445     }
 446
 447     if(*def_index == (UINT)-1)
 448         *def_index = 0;
 449
 450     HeapFree(GetProcessHeap(), 0, devices);
 451
 452     return S_OK;
 453 }
 454
 455 HRESULT WINAPI AUDDRV_GetAudioEndpoint(AudioDeviceID *adevid, IMMDevice *dev,
 456         EDataFlow dataflow, IAudioClient **out)
 457 {
 458     ACImpl *This;
 459
 460     TRACE("%u %p %d %p\n", (unsigned int)*adevid, dev, dataflow, out);
 461
 462     This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(ACImpl));
 463     if(!This)
 464         return E_OUTOFMEMORY;
 465
 466     This->IAudioClient_iface.lpVtbl = &AudioClient_Vtbl;
 467     This->IAudioRenderClient_iface.lpVtbl = &AudioRenderClient_Vtbl;
 468     This->IAudioCaptureClient_iface.lpVtbl = &AudioCaptureClient_Vtbl;
 469     This->IAudioClock_iface.lpVtbl = &AudioClock_Vtbl;
 470     This->IAudioClock2_iface.lpVtbl = &AudioClock2_Vtbl;
 471     This->IAudioStreamVolume_iface.lpVtbl = &AudioStreamVolume_Vtbl;
 472
 473     This->dataflow = dataflow;
 474
 475     if(dataflow == eRender)
 476         This->scope = kAudioDevicePropertyScopeOutput;
 477     else if(dataflow == eCapture)
 478         This->scope = kAudioDevicePropertyScopeInput;
 479     else{
 480         HeapFree(GetProcessHeap(), 0, This);
 481         return E_INVALIDARG;
 482     }
 483
 484     This->lock = 0;
 485
 486     This->parent = dev;
 487     IMMDevice_AddRef(This->parent);
 488
 489     list_init(&This->avail_buffers);
 490     list_init(&This->queued_bufinfos);
 491
 492     This->adevid = *adevid;
 493
 494     *out = &This->IAudioClient_iface;
 495     IAudioClient_AddRef(&This->IAudioClient_iface);
 496
 497     return S_OK;
 498 }
 499
 500 /* current position from start of stream */
 501 #define BUFPOS_ABSOLUTE 1
 502 /* current position from start of this buffer */
 503 #define BUFPOS_RELATIVE 2
 504
 505 static UINT64 get_current_aqbuffer_position(ACImpl *This, int mode)
 506 {
 507     struct list *head;
 508     QueuedBufInfo *bufinfo;
 509     UINT64 ret;
 510
 511     head = list_head(&This->queued_bufinfos);
 512     if(!head){
 513         TRACE("No buffers queued\n");
 514         if(mode == BUFPOS_ABSOLUTE)
 515             return This->written_frames;
 516         return 0;
 517     }
 518     bufinfo = LIST_ENTRY(head, QueuedBufInfo, entry);
 519
 520     if(This->playing == StatePlaying){
 521         AudioTimeStamp tstamp;
 522         OSStatus sc;
 523
 524         /* AudioQueueGetCurrentTime() is brain damaged. The returned
 525          * mSampleTime member jumps backwards seemingly at random, so
 526          * we record the highest sampletime and use that during these
 527          * anomalies.
 528          *
 529          * It also behaves poorly when the queue is paused, jumping
 530          * forwards during the pause and backwards again after resuming.
 531          * So we record the sampletime when the queue is paused and use
 532          * that. */
 533         sc = AudioQueueGetCurrentTime(This->aqueue, NULL, &tstamp, NULL);
 534         if(sc != noErr){
 535             if(sc != kAudioQueueErr_InvalidRunState)
 536                 WARN("Unable to get current time: %lx\n", sc);
 537             return 0;
 538         }
 539
 540         if(!(tstamp.mFlags & kAudioTimeStampSampleTimeValid)){
 541             FIXME("SampleTime not valid: %lx\n", tstamp.mFlags);
 542             return 0;
 543         }
 544
 545         if(tstamp.mSampleTime > This->highest_sampletime)
 546             This->highest_sampletime = tstamp.mSampleTime;
 547     }
 548
 549     while(This->highest_sampletime > bufinfo->start_sampletime + bufinfo->len_frames){
 550         This->inbuf_frames -= bufinfo->len_frames;
 551         list_remove(&bufinfo->entry);
 552         HeapFree(GetProcessHeap(), 0, bufinfo);
 553
 554         head = list_head(&This->queued_bufinfos);
 555         if(!head){
 556             TRACE("No buffers queued\n");
 557             if(mode == BUFPOS_ABSOLUTE)
 558                 return This->written_frames;
 559             return 0;
 560         }
 561         bufinfo = LIST_ENTRY(head, QueuedBufInfo, entry);
 562     }
 563
 564     if(This->highest_sampletime < bufinfo->start_sampletime)
 565         ret = 0;
 566     else
 567         ret = This->highest_sampletime - bufinfo->start_sampletime;
 568
 569     if(mode == BUFPOS_ABSOLUTE)
 570         ret += bufinfo->start_pos;
 571
 572     TRACE("%llu frames (%s)\n", ret,
 573             mode == BUFPOS_ABSOLUTE ? "absolute" : "relative");
 574
 575     return ret;
 576 }
 577
 578 static HRESULT WINAPI AudioClient_QueryInterface(IAudioClient *iface,
 579         REFIID riid, void **ppv)
 580 {
 581     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
 582
 583     if(!ppv)
 584         return E_POINTER;
 585     *ppv = NULL;
 586     if(IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IAudioClient))
 587         *ppv = iface;
 588     if(*ppv){
 589         IUnknown_AddRef((IUnknown*)*ppv);
 590         return S_OK;
 591     }
 592     WARN("Unknown interface %s\n", debugstr_guid(riid));
 593     return E_NOINTERFACE;
 594 }
 595
 596 static ULONG WINAPI AudioClient_AddRef(IAudioClient *iface)
 597 {
 598     ACImpl *This = impl_from_IAudioClient(iface);
 599     ULONG ref;
 600     ref = InterlockedIncrement(&This->ref);
 601     TRACE("(%p) Refcount now %u\n", This, ref);
 602     return ref;
 603 }
 604
 605 static ULONG WINAPI AudioClient_Release(IAudioClient *iface)
 606 {
 607     ACImpl *This = impl_from_IAudioClient(iface);
 608     ULONG ref;
 609     ref = InterlockedDecrement(&This->ref);
 610     TRACE("(%p) Refcount now %u\n", This, ref);
 611     if(!ref){
 612         if(This->aqueue){
 613             AQBuffer *buf, *next;
 614             QueuedBufInfo *bufinfo, *bufinfo2;
 615
 616             if(This->public_buffer){
 617                 buf = This->public_buffer->mUserData;
 618                 list_add_tail(&This->avail_buffers, &buf->entry);
 619             }
 620
 621             IAudioClient_Stop(iface);
 622             AudioQueueStop(This->aqueue, 1);
 623
 624             /* Stopped synchronously, all buffers returned. */
 625             LIST_FOR_EACH_ENTRY_SAFE(buf, next, &This->avail_buffers, AQBuffer, entry){
 626                 AudioQueueFreeBuffer(This->aqueue, buf->buf);
 627                 HeapFree(GetProcessHeap(), 0, buf);
 628             }
 629
 630             LIST_FOR_EACH_ENTRY_SAFE(bufinfo, bufinfo2, &This->queued_bufinfos,
 631                     QueuedBufInfo, entry)
 632                 HeapFree(GetProcessHeap(), 0, bufinfo);
 633
 634             AudioQueueDispose(This->aqueue, 1);
 635         }
 636         if(This->session){
 637             EnterCriticalSection(&g_sessions_lock);
 638             list_remove(&This->entry);
 639             LeaveCriticalSection(&g_sessions_lock);
 640         }
 641         HeapFree(GetProcessHeap(), 0, This->vols);
 642         CoTaskMemFree(This->fmt);
 643         IMMDevice_Release(This->parent);
 644         HeapFree(GetProcessHeap(), 0, This);
 645     }
 646     return ref;
 647 }
 648
 649 static void dump_fmt(const WAVEFORMATEX *fmt)
 650 {
 651     TRACE("wFormatTag: 0x%x (", fmt->wFormatTag);
 652     switch(fmt->wFormatTag){
 653     case WAVE_FORMAT_PCM:
 654         TRACE("WAVE_FORMAT_PCM");
 655         break;
 656     case WAVE_FORMAT_IEEE_FLOAT:
 657         TRACE("WAVE_FORMAT_IEEE_FLOAT");
 658         break;
 659     case WAVE_FORMAT_EXTENSIBLE:
 660         TRACE("WAVE_FORMAT_EXTENSIBLE");
 661         break;
 662     default:
 663         TRACE("Unknown");
 664         break;
 665     }
 666     TRACE(")\n");
 667
 668     TRACE("nChannels: %u\n", fmt->nChannels);
 669     TRACE("nSamplesPerSec: %u\n", fmt->nSamplesPerSec);
 670     TRACE("nAvgBytesPerSec: %u\n", fmt->nAvgBytesPerSec);
 671     TRACE("nBlockAlign: %u\n", fmt->nBlockAlign);
 672     TRACE("wBitsPerSample: %u\n", fmt->wBitsPerSample);
 673     TRACE("cbSize: %u\n", fmt->cbSize);
 674
 675     if(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE){
 676         WAVEFORMATEXTENSIBLE *fmtex = (void*)fmt;
 677         TRACE("dwChannelMask: %08x\n", fmtex->dwChannelMask);
 678         TRACE("Samples: %04x\n", fmtex->Samples.wReserved);
 679         TRACE("SubFormat: %s\n", wine_dbgstr_guid(&fmtex->SubFormat));
 680     }
 681 }
 682
 683 static DWORD get_channel_mask(unsigned int channels)
 684 {
 685     switch(channels){
 686     case 0:
 687         return 0;
 688     case 1:
 689         return KSAUDIO_SPEAKER_MONO;
 690     case 2:
 691         return KSAUDIO_SPEAKER_STEREO;
 692     case 3:
 693         return KSAUDIO_SPEAKER_STEREO | SPEAKER_LOW_FREQUENCY;
 694     case 4:
 695         return KSAUDIO_SPEAKER_QUAD;    /* not _SURROUND */
 696     case 5:
 697         return KSAUDIO_SPEAKER_QUAD | SPEAKER_LOW_FREQUENCY;
 698     case 6:
 699         return KSAUDIO_SPEAKER_5POINT1; /* not 5POINT1_SURROUND */
 700     case 7:
 701         return KSAUDIO_SPEAKER_5POINT1 | SPEAKER_BACK_CENTER;
 702     case 8:
 703         return KSAUDIO_SPEAKER_7POINT1; /* not 7POINT1_SURROUND */
 704     }
 705     FIXME("Unknown speaker configuration: %u\n", channels);
 706     return 0;
 707 }
 708
 709 static WAVEFORMATEX *clone_format(const WAVEFORMATEX *fmt)
 710 {
 711     WAVEFORMATEX *ret;
 712     size_t size;
 713
 714     if(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
 715         size = sizeof(WAVEFORMATEXTENSIBLE);
 716     else
 717         size = sizeof(WAVEFORMATEX);
 718
 719     ret = CoTaskMemAlloc(size);
 720     if(!ret)
 721         return NULL;
 722
 723     memcpy(ret, fmt, size);
 724
 725     ret->cbSize = size - sizeof(WAVEFORMATEX);
 726
 727     return ret;
 728 }
 729
 730 static HRESULT ca_get_audiodesc(AudioStreamBasicDescription *desc,
 731         const WAVEFORMATEX *fmt)
 732 {
 733     const WAVEFORMATEXTENSIBLE *fmtex = (const WAVEFORMATEXTENSIBLE *)fmt;
 734
 735     desc->mFormatFlags = 0;
 736
 737     if(fmt->wFormatTag == WAVE_FORMAT_PCM ||
 738             (fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
 739              IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))){
 740         desc->mFormatID = kAudioFormatLinearPCM;
 741         if(fmt->wBitsPerSample > 8)
 742             desc->mFormatFlags = kAudioFormatFlagIsSignedInteger;
 743     }else if(fmt->wFormatTag == WAVE_FORMAT_IEEE_FLOAT ||
 744             (fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
 745              IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT))){
 746         desc->mFormatID = kAudioFormatLinearPCM;
 747         desc->mFormatFlags = kAudioFormatFlagIsFloat;
 748     }else if(fmt->wFormatTag == WAVE_FORMAT_MULAW ||
 749             (fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
 750              IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_MULAW))){
 751         desc->mFormatID = kAudioFormatULaw;
 752     }else if(fmt->wFormatTag == WAVE_FORMAT_ALAW ||
 753             (fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
 754              IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_ALAW))){
 755         desc->mFormatID = kAudioFormatALaw;
 756     }else
 757         return AUDCLNT_E_UNSUPPORTED_FORMAT;
 758
 759     desc->mSampleRate = fmt->nSamplesPerSec;
 760     desc->mBytesPerPacket = fmt->nBlockAlign;
 761     desc->mFramesPerPacket = 1;
 762     desc->mBytesPerFrame = fmt->nBlockAlign;
 763     desc->mChannelsPerFrame = fmt->nChannels;
 764     desc->mBitsPerChannel = fmt->wBitsPerSample;
 765     desc->mReserved = 0;
 766
 767     return S_OK;
 768 }
 769
 770 static void ca_out_buffer_cb(void *user, AudioQueueRef aqueue,
 771         AudioQueueBufferRef buffer)
 772 {
 773     ACImpl *This = user;
 774     AQBuffer *buf = buffer->mUserData;
 775
 776     OSSpinLockLock(&This->lock);
 777     list_add_tail(&This->avail_buffers, &buf->entry);
 778     OSSpinLockUnlock(&This->lock);
 779 }
 780
 781 static void ca_in_buffer_cb(void *user, AudioQueueRef aqueue,
 782         AudioQueueBufferRef buffer, const AudioTimeStamp *start,
 783         UInt32 ndesc, const AudioStreamPacketDescription *descs)
 784 {
 785     ACImpl *This = user;
 786     AQBuffer *buf = buffer->mUserData;
 787
 788     OSSpinLockLock(&This->lock);
 789     list_add_tail(&This->avail_buffers, &buf->entry);
 790     This->inbuf_frames += buffer->mAudioDataByteSize / This->fmt->nBlockAlign;
 791     OSSpinLockUnlock(&This->lock);
 792 }
 793
 794 static HRESULT ca_setup_aqueue(AudioDeviceID did, EDataFlow flow,
 795         const WAVEFORMATEX *fmt, void *user, AudioQueueRef *aqueue)
 796 {
 797     AudioStreamBasicDescription desc;
 798     AudioObjectPropertyAddress addr;
 799     CFStringRef uid;
 800     OSStatus sc;
 801     HRESULT hr;
 802     UInt32 size;
 803
 804     addr.mScope = kAudioObjectPropertyScopeGlobal;
 805     addr.mElement = 0;
 806     addr.mSelector = kAudioDevicePropertyDeviceUID;
 807
 808     size = sizeof(uid);
 809     sc = AudioObjectGetPropertyData(did, &addr, 0, NULL, &size, &uid);
 810     if(sc != noErr){
 811         WARN("Unable to get _DeviceUID property: %lx\n", sc);
 812         return E_FAIL;
 813     }
 814
 815     hr = ca_get_audiodesc(&desc, fmt);
 816     if(FAILED(hr)){
 817         CFRelease(uid);
 818         return hr;
 819     }
 820
 821     if(flow == eRender)
 822         sc = AudioQueueNewOutput(&desc, ca_out_buffer_cb, user, NULL, NULL, 0,
 823                 aqueue);
 824     else if(flow == eCapture)
 825         sc = AudioQueueNewInput(&desc, ca_in_buffer_cb, user, NULL, NULL, 0,
 826                 aqueue);
 827     else{
 828         CFRelease(uid);
 829         return E_UNEXPECTED;
 830     }
 831     if(sc != noErr){
 832         WARN("Unable to create AudioQueue: %lx\n", sc);
 833         CFRelease(uid);
 834         return E_FAIL;
 835     }
 836
 837     sc = AudioQueueSetProperty(*aqueue, kAudioQueueProperty_CurrentDevice,
 838             &uid, sizeof(uid));
 839     if(sc != noErr){
 840         CFRelease(uid);
 841         return E_FAIL;
 842     }
 843
 844     CFRelease(uid);
 845
 846     return S_OK;
 847 }
 848
 849 static void session_init_vols(AudioSession *session, UINT channels)
 850 {
 851     if(session->channel_count < channels){
 852         UINT i;
 853
 854         if(session->channel_vols)
 855             session->channel_vols = HeapReAlloc(GetProcessHeap(), 0,
 856                     session->channel_vols, sizeof(float) * channels);
 857         else
 858             session->channel_vols = HeapAlloc(GetProcessHeap(), 0,
 859                     sizeof(float) * channels);
 860         if(!session->channel_vols)
 861             return;
 862
 863         for(i = session->channel_count; i < channels; ++i)
 864             session->channel_vols[i] = 1.f;
 865
 866         session->channel_count = channels;
 867     }
 868 }
 869
 870 static AudioSession *create_session(const GUID *guid, IMMDevice *device,
 871         UINT num_channels)
 872 {
 873     AudioSession *ret;
 874
 875     ret = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(AudioSession));
 876     if(!ret)
 877         return NULL;
 878
 879     memcpy(&ret->guid, guid, sizeof(GUID));
 880
 881     ret->device = device;
 882
 883     list_init(&ret->clients);
 884
 885     list_add_head(&g_sessions, &ret->entry);
 886
 887     InitializeCriticalSection(&ret->lock);
 888     ret->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": AudioSession.lock");
 889
 890     session_init_vols(ret, num_channels);
 891
 892     ret->master_vol = 1.f;
 893
 894     return ret;
 895 }
 896
 897 /* if channels == 0, then this will return or create a session with
 898  * matching dataflow and GUID. otherwise, channels must also match */
 899 static HRESULT get_audio_session(const GUID *sessionguid,
 900         IMMDevice *device, UINT channels, AudioSession **out)
 901 {
 902     AudioSession *session;
 903
 904     if(!sessionguid || IsEqualGUID(sessionguid, &GUID_NULL)){
 905         *out = create_session(&GUID_NULL, device, channels);
 906         if(!*out)
 907             return E_OUTOFMEMORY;
 908
 909         return S_OK;
 910     }
 911
 912     *out = NULL;
 913     LIST_FOR_EACH_ENTRY(session, &g_sessions, AudioSession, entry){
 914         if(session->device == device &&
 915                 IsEqualGUID(sessionguid, &session->guid)){
 916             session_init_vols(session, channels);
 917             *out = session;
 918             break;
 919         }
 920     }
 921
 922     if(!*out){
 923         *out = create_session(sessionguid, device, channels);
 924         if(!*out)
 925             return E_OUTOFMEMORY;
 926     }
 927
 928     return S_OK;
 929 }
 930
 931 static HRESULT WINAPI AudioClient_Initialize(IAudioClient *iface,
 932         AUDCLNT_SHAREMODE mode, DWORD flags, REFERENCE_TIME duration,
 933         REFERENCE_TIME period, const WAVEFORMATEX *fmt,
 934         const GUID *sessionguid)
 935 {
 936     ACImpl *This = impl_from_IAudioClient(iface);
 937     HRESULT hr;
 938     OSStatus sc;
 939     int i;
 940
 941     TRACE("(%p)->(%x, %x, %s, %s, %p, %s)\n", This, mode, flags,
 942           wine_dbgstr_longlong(duration), wine_dbgstr_longlong(period), fmt, debugstr_guid(sessionguid));
 943
 944     if(!fmt)
 945         return E_POINTER;
 946
 947     dump_fmt(fmt);
 948
 949     if(mode != AUDCLNT_SHAREMODE_SHARED && mode != AUDCLNT_SHAREMODE_EXCLUSIVE)
 950         return AUDCLNT_E_NOT_INITIALIZED;
 951
 952     if(flags & ~(AUDCLNT_STREAMFLAGS_CROSSPROCESS |
 953                 AUDCLNT_STREAMFLAGS_LOOPBACK |
 954                 AUDCLNT_STREAMFLAGS_EVENTCALLBACK |
 955                 AUDCLNT_STREAMFLAGS_NOPERSIST |
 956                 AUDCLNT_STREAMFLAGS_RATEADJUST |
 957                 AUDCLNT_SESSIONFLAGS_EXPIREWHENUNOWNED |
 958                 AUDCLNT_SESSIONFLAGS_DISPLAY_HIDE |
 959                 AUDCLNT_SESSIONFLAGS_DISPLAY_HIDEWHENEXPIRED)){
 960         TRACE("Unknown flags: %08x\n", flags);
 961         return E_INVALIDARG;
 962     }
 963
 964     if(mode == AUDCLNT_SHAREMODE_SHARED){
 965         period = DefaultPeriod;
 966         if( duration < 3 * period)
 967             duration = 3 * period;
 968     }else{
 969         if(!period)
 970             period = DefaultPeriod; /* not minimum */
 971         if(period < MinimumPeriod || period > 5000000)
 972             return AUDCLNT_E_INVALID_DEVICE_PERIOD;
 973         if(duration > 20000000) /* the smaller the period, the lower this limit */
 974             return AUDCLNT_E_BUFFER_SIZE_ERROR;
 975         if(flags & AUDCLNT_STREAMFLAGS_EVENTCALLBACK){
 976             if(duration != period)
 977                 return AUDCLNT_E_BUFDURATION_PERIOD_NOT_EQUAL;
 978             FIXME("EXCLUSIVE mode with EVENTCALLBACK\n");
 979             return AUDCLNT_E_DEVICE_IN_USE;
 980         }else{
 981             if( duration < 8 * period)
 982                 duration = 8 * period; /* may grow above 2s */
 983         }
 984     }
 985
 986     OSSpinLockLock(&This->lock);
 987
 988     if(This->aqueue){
 989         OSSpinLockUnlock(&This->lock);
 990         return AUDCLNT_E_ALREADY_INITIALIZED;
 991     }
 992
 993     hr = ca_setup_aqueue(This->adevid, This->dataflow, fmt, This, &This->aqueue);
 994     if(FAILED(hr)){
 995         OSSpinLockUnlock(&This->lock);
 996         return hr;
 997     }
 998
 999     This->fmt = clone_format(fmt);
1000     if(!This->fmt){
1001         AudioQueueDispose(This->aqueue, 1);
1002         This->aqueue = NULL;
1003         OSSpinLockUnlock(&This->lock);
1004         return E_OUTOFMEMORY;
1005     }
1006
1007     This->period_ms = period / 10000;
1008
1009     This->bufsize_frames = ceil(fmt->nSamplesPerSec * (duration / 10000000.));
1010
1011     if(This->dataflow == eCapture){
1012         int i;
1013         UInt32 bsize = ceil((This->bufsize_frames / (double)CAPTURE_BUFFERS) *
1014                 This->fmt->nBlockAlign);
1015         for(i = 0; i < CAPTURE_BUFFERS; ++i){
1016             AQBuffer *buf;
1017
1018             buf = HeapAlloc(GetProcessHeap(), 0, sizeof(AQBuffer));
1019             if(!buf){
1020                 AudioQueueDispose(This->aqueue, 1);
1021                 This->aqueue = NULL;
1022                 CoTaskMemFree(This->fmt);
1023                 This->fmt = NULL;
1024                 OSSpinLockUnlock(&This->lock);
1025                 return E_OUTOFMEMORY;
1026             }
1027
1028             sc = AudioQueueAllocateBuffer(This->aqueue, bsize, &buf->buf);
1029             if(sc != noErr){
1030                 AudioQueueDispose(This->aqueue, 1);
1031                 This->aqueue = NULL;
1032                 CoTaskMemFree(This->fmt);
1033                 This->fmt = NULL;
1034                 OSSpinLockUnlock(&This->lock);
1035                 WARN("Couldn't allocate buffer: %lx\n", sc);
1036                 return E_FAIL;
1037             }
1038
1039             buf->buf->mUserData = buf;
1040
1041             sc = AudioQueueEnqueueBuffer(This->aqueue, buf->buf, 0, NULL);
1042             if(sc != noErr){
1043                 ERR("Couldn't enqueue buffer: %lx\n", sc);
1044                 break;
1045             }
1046         }
1047     }
1048
1049     This->vols = HeapAlloc(GetProcessHeap(), 0, fmt->nChannels * sizeof(float));
1050     if(!This->vols){
1051         AudioQueueDispose(This->aqueue, 1);
1052         This->aqueue = NULL;
1053         CoTaskMemFree(This->fmt);
1054         This->fmt = NULL;
1055         OSSpinLockUnlock(&This->lock);
1056         return E_OUTOFMEMORY;
1057     }
1058
1059     for(i = 0; i < fmt->nChannels; ++i)
1060         This->vols[i] = 1.f;
1061
1062     This->share = mode;
1063     This->flags = flags;
1064
1065     EnterCriticalSection(&g_sessions_lock);
1066
1067     hr = get_audio_session(sessionguid, This->parent, fmt->nChannels,
1068             &This->session);
1069     if(FAILED(hr)){
1070         LeaveCriticalSection(&g_sessions_lock);
1071         AudioQueueDispose(This->aqueue, 1);
1072         This->aqueue = NULL;
1073         CoTaskMemFree(This->fmt);
1074         This->fmt = NULL;
1075         HeapFree(GetProcessHeap(), 0, This->vols);
1076         This->vols = NULL;
1077         OSSpinLockUnlock(&This->lock);
1078         return E_INVALIDARG;
1079     }
1080
1081     list_add_tail(&This->session->clients, &This->entry);
1082
1083     LeaveCriticalSection(&g_sessions_lock);
1084
1085     ca_setvol(This, -1);
1086
1087     OSSpinLockUnlock(&This->lock);
1088
1089     return S_OK;
1090 }
1091
1092 static HRESULT WINAPI AudioClient_GetBufferSize(IAudioClient *iface,
1093         UINT32 *frames)
1094 {
1095     ACImpl *This = impl_from_IAudioClient(iface);
1096
1097     TRACE("(%p)->(%p)\n", This, frames);
1098
1099     if(!frames)
1100         return E_POINTER;
1101
1102     OSSpinLockLock(&This->lock);
1103
1104     if(!This->aqueue){
1105         OSSpinLockUnlock(&This->lock);
1106         return AUDCLNT_E_NOT_INITIALIZED;
1107     }
1108
1109     *frames = This->bufsize_frames;
1110
1111     OSSpinLockUnlock(&This->lock);
1112
1113     return S_OK;
1114 }
1115
1116 static HRESULT ca_get_max_stream_latency(ACImpl *This, UInt32 *max)
1117 {
1118     AudioObjectPropertyAddress addr;
1119     AudioStreamID *ids;
1120     UInt32 size;
1121     OSStatus sc;
1122     int nstreams, i;
1123
1124     addr.mScope = This->scope;
1125     addr.mElement = 0;
1126     addr.mSelector = kAudioDevicePropertyStreams;
1127
1128     sc = AudioObjectGetPropertyDataSize(This->adevid, &addr, 0, NULL,
1129             &size);
1130     if(sc != noErr){
1131         WARN("Unable to get size for _Streams property: %lx\n", sc);
1132         return E_FAIL;
1133     }
1134
1135     ids = HeapAlloc(GetProcessHeap(), 0, size);
1136     if(!ids)
1137         return E_OUTOFMEMORY;
1138
1139     sc = AudioObjectGetPropertyData(This->adevid, &addr, 0, NULL, &size, ids);
1140     if(sc != noErr){
1141         WARN("Unable to get _Streams property: %lx\n", sc);
1142         HeapFree(GetProcessHeap(), 0, ids);
1143         return E_FAIL;
1144     }
1145
1146     nstreams = size / sizeof(AudioStreamID);
1147     *max = 0;
1148
1149     addr.mSelector = kAudioStreamPropertyLatency;
1150     for(i = 0; i < nstreams; ++i){
1151         UInt32 latency;
1152
1153         size = sizeof(latency);
1154         sc = AudioObjectGetPropertyData(ids[i], &addr, 0, NULL,
1155                 &size, &latency);
1156         if(sc != noErr){
1157             WARN("Unable to get _Latency property: %lx\n", sc);
1158             continue;
1159         }
1160
1161         if(latency > *max)
1162             *max = latency;
1163     }
1164
1165     HeapFree(GetProcessHeap(), 0, ids);
1166
1167     return S_OK;
1168 }
1169
1170 static HRESULT WINAPI AudioClient_GetStreamLatency(IAudioClient *iface,
1171         REFERENCE_TIME *out)
1172 {
1173     ACImpl *This = impl_from_IAudioClient(iface);
1174     UInt32 latency, stream_latency, size;
1175     AudioObjectPropertyAddress addr;
1176     OSStatus sc;
1177     HRESULT hr;
1178
1179     TRACE("(%p)->(%p)\n", This, out);
1180
1181     if(!out)
1182         return E_POINTER;
1183
1184     OSSpinLockLock(&This->lock);
1185
1186     if(!This->aqueue){
1187         OSSpinLockUnlock(&This->lock);
1188         return AUDCLNT_E_NOT_INITIALIZED;
1189     }
1190
1191     addr.mScope = This->scope;
1192     addr.mSelector = kAudioDevicePropertyLatency;
1193     addr.mElement = 0;
1194
1195     size = sizeof(latency);
1196     sc = AudioObjectGetPropertyData(This->adevid, &addr, 0, NULL,
1197             &size, &latency);
1198     if(sc != noErr){
1199         WARN("Couldn't get _Latency property: %lx\n", sc);
1200         OSSpinLockUnlock(&This->lock);
1201         return E_FAIL;
1202     }
1203
1204     hr = ca_get_max_stream_latency(This, &stream_latency);
1205     if(FAILED(hr)){
1206         OSSpinLockUnlock(&This->lock);
1207         return hr;
1208     }
1209
1210     latency += stream_latency;
1211     /* pretend we process audio in Period chunks, so max latency includes
1212      * the period time */
1213     latency += DefaultPeriod;
1214     *out = (latency / (double)This->fmt->nSamplesPerSec) * 10000000;
1215
1216     OSSpinLockUnlock(&This->lock);
1217
1218     return S_OK;
1219 }
1220
1221 static HRESULT AudioClient_GetCurrentPadding_nolock(ACImpl *This,
1222         UINT32 *numpad)
1223 {
1224     if(!This->aqueue)
1225         return AUDCLNT_E_NOT_INITIALIZED;
1226
1227     if(This->dataflow == eRender){
1228         UINT64 bufpos;
1229         bufpos = get_current_aqbuffer_position(This, BUFPOS_RELATIVE);
1230         *numpad = This->inbuf_frames - bufpos;
1231     }else
1232         *numpad = This->inbuf_frames;
1233
1234     return S_OK;
1235 }
1236
1237 static HRESULT WINAPI AudioClient_GetCurrentPadding(IAudioClient *iface,
1238         UINT32 *numpad)
1239 {
1240     ACImpl *This = impl_from_IAudioClient(iface);
1241     HRESULT hr;
1242
1243     TRACE("(%p)->(%p)\n", This, numpad);
1244
1245     if(!numpad)
1246         return E_POINTER;
1247
1248     OSSpinLockLock(&This->lock);
1249
1250     hr = AudioClient_GetCurrentPadding_nolock(This, numpad);
1251
1252     OSSpinLockUnlock(&This->lock);
1253
1254     return hr;
1255 }
1256
1257 static HRESULT WINAPI AudioClient_IsFormatSupported(IAudioClient *iface,
1258         AUDCLNT_SHAREMODE mode, const WAVEFORMATEX *pwfx,
1259         WAVEFORMATEX **outpwfx)
1260 {
1261     ACImpl *This = impl_from_IAudioClient(iface);
1262     WAVEFORMATEXTENSIBLE *fmtex = (WAVEFORMATEXTENSIBLE*)pwfx;
1263     AudioQueueRef aqueue;
1264     HRESULT hr;
1265
1266     TRACE("(%p)->(%x, %p, %p)\n", This, mode, pwfx, outpwfx);
1267
1268     if(!pwfx || (mode == AUDCLNT_SHAREMODE_SHARED && !outpwfx))
1269         return E_POINTER;
1270
1271     if(mode != AUDCLNT_SHAREMODE_SHARED && mode != AUDCLNT_SHAREMODE_EXCLUSIVE)
1272         return E_INVALIDARG;
1273
1274     if(pwfx->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
1275             pwfx->cbSize < sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX))
1276         return E_INVALIDARG;
1277
1278     dump_fmt(pwfx);
1279
1280     if(outpwfx)
1281         *outpwfx = NULL;
1282
1283     if(pwfx->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
1284             fmtex->dwChannelMask != 0 &&
1285             fmtex->dwChannelMask != get_channel_mask(pwfx->nChannels))
1286         return AUDCLNT_E_UNSUPPORTED_FORMAT;
1287
1288     OSSpinLockLock(&This->lock);
1289
1290     hr = ca_setup_aqueue(This->adevid, This->dataflow, pwfx, NULL, &aqueue);
1291     if(SUCCEEDED(hr)){
1292         AudioQueueDispose(aqueue, 1);
1293         OSSpinLockUnlock(&This->lock);
1294         TRACE("returning %08x\n", S_OK);
1295         return S_OK;
1296     }
1297
1298     OSSpinLockUnlock(&This->lock);
1299
1300     TRACE("returning %08x\n", AUDCLNT_E_UNSUPPORTED_FORMAT);
1301     return AUDCLNT_E_UNSUPPORTED_FORMAT;
1302 }
1303
1304 static HRESULT WINAPI AudioClient_GetMixFormat(IAudioClient *iface,
1305         WAVEFORMATEX **pwfx)
1306 {
1307     ACImpl *This = impl_from_IAudioClient(iface);
1308     WAVEFORMATEXTENSIBLE *fmt;
1309     OSStatus sc;
1310     UInt32 size;
1311     Float64 rate;
1312     AudioBufferList *buffers;
1313     AudioObjectPropertyAddress addr;
1314     int i;
1315
1316     TRACE("(%p)->(%p)\n", This, pwfx);
1317
1318     if(!pwfx)
1319         return E_POINTER;
1320     *pwfx = NULL;
1321
1322     fmt = CoTaskMemAlloc(sizeof(WAVEFORMATEXTENSIBLE));
1323     if(!fmt)
1324         return E_OUTOFMEMORY;
1325
1326     fmt->Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
1327
1328     addr.mScope = This->scope;
1329     addr.mElement = 0;
1330     addr.mSelector = kAudioDevicePropertyStreamConfiguration;
1331
1332     sc = AudioObjectGetPropertyDataSize(This->adevid, &addr, 0, NULL, &size);
1333     if(sc != noErr){
1334         CoTaskMemFree(fmt);
1335         WARN("Unable to get size for _StreamConfiguration property: %lx\n", sc);
1336         return E_FAIL;
1337     }
1338
1339     buffers = HeapAlloc(GetProcessHeap(), 0, size);
1340     if(!buffers){
1341         CoTaskMemFree(fmt);
1342         return E_OUTOFMEMORY;
1343     }
1344
1345     sc = AudioObjectGetPropertyData(This->adevid, &addr, 0, NULL,
1346             &size, buffers);
1347     if(sc != noErr){
1348         CoTaskMemFree(fmt);
1349         HeapFree(GetProcessHeap(), 0, buffers);
1350         WARN("Unable to get _StreamConfiguration property: %lx\n", sc);
1351         return E_FAIL;
1352     }
1353
1354     fmt->Format.nChannels = 0;
1355     for(i = 0; i < buffers->mNumberBuffers; ++i)
1356         fmt->Format.nChannels += buffers->mBuffers[i].mNumberChannels;
1357
1358     HeapFree(GetProcessHeap(), 0, buffers);
1359
1360     fmt->dwChannelMask = get_channel_mask(fmt->Format.nChannels);
1361
1362     addr.mSelector = kAudioDevicePropertyNominalSampleRate;
1363     size = sizeof(Float64);
1364     sc = AudioObjectGetPropertyData(This->adevid, &addr, 0, NULL, &size, &rate);
1365     if(sc != noErr){
1366         CoTaskMemFree(fmt);
1367         WARN("Unable to get _NominalSampleRate property: %lx\n", sc);
1368         return E_FAIL;
1369     }
1370     fmt->Format.nSamplesPerSec = rate;
1371
1372     fmt->Format.wBitsPerSample = 32;
1373     fmt->SubFormat = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
1374
1375     fmt->Format.nBlockAlign = (fmt->Format.wBitsPerSample *
1376             fmt->Format.nChannels) / 8;
1377     fmt->Format.nAvgBytesPerSec = fmt->Format.nSamplesPerSec *
1378         fmt->Format.nBlockAlign;
1379
1380     fmt->Samples.wValidBitsPerSample = fmt->Format.wBitsPerSample;
1381     fmt->Format.cbSize = sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX);
1382
1383     *pwfx = (WAVEFORMATEX*)fmt;
1384     dump_fmt(*pwfx);
1385
1386     return S_OK;
1387 }
1388
1389 static HRESULT WINAPI AudioClient_GetDevicePeriod(IAudioClient *iface,
1390         REFERENCE_TIME *defperiod, REFERENCE_TIME *minperiod)
1391 {
1392     ACImpl *This = impl_from_IAudioClient(iface);
1393
1394     TRACE("(%p)->(%p, %p)\n", This, defperiod, minperiod);
1395
1396     if(!defperiod && !minperiod)
1397         return E_POINTER;
1398
1399     OSSpinLockLock(&This->lock);
1400
1401     if(This->period_ms){
1402         if(defperiod)
1403             *defperiod = This->period_ms * 10000;
1404         if(minperiod)
1405             *minperiod = This->period_ms * 10000;
1406     }else{
1407         if(defperiod)
1408             *defperiod = DefaultPeriod;
1409         if(minperiod)
1410             *minperiod = MinimumPeriod;
1411     }
1412
1413     OSSpinLockUnlock(&This->lock);
1414
1415     return S_OK;
1416 }
1417
1418 void CALLBACK ca_period_cb(void *user, BOOLEAN timer)
1419 {
1420     ACImpl *This = user;
1421
1422     OSSpinLockLock(&This->lock);
1423     if(This->event)
1424         SetEvent(This->event);
1425     OSSpinLockUnlock(&This->lock);
1426 }
1427
1428 static HRESULT WINAPI AudioClient_Start(IAudioClient *iface)
1429 {
1430     ACImpl *This = impl_from_IAudioClient(iface);
1431     OSStatus sc;
1432
1433     TRACE("(%p)\n", This);
1434
1435     OSSpinLockLock(&This->lock);
1436
1437     if(!This->aqueue){
1438         OSSpinLockUnlock(&This->lock);
1439         return AUDCLNT_E_NOT_INITIALIZED;
1440     }
1441
1442     if(This->playing != StateStopped){
1443         OSSpinLockUnlock(&This->lock);
1444         return AUDCLNT_E_NOT_STOPPED;
1445     }
1446
1447     if((This->flags & AUDCLNT_STREAMFLAGS_EVENTCALLBACK) && !This->event){
1448         OSSpinLockUnlock(&This->lock);
1449         return AUDCLNT_E_EVENTHANDLE_NOT_SET;
1450     }
1451
1452     if(This->event)
1453         if(!CreateTimerQueueTimer(&This->timer, g_timer_q,
1454                     ca_period_cb, This, 0, This->period_ms, 0))
1455             ERR("Unable to create timer: %u\n", GetLastError());
1456
1457     This->playing = StateInTransition;
1458
1459     OSSpinLockUnlock(&This->lock);
1460
1461     sc = AudioQueueStart(This->aqueue, NULL);
1462     if(sc != noErr){
1463         WARN("Unable to start audio queue: %lx\n", sc);
1464         return E_FAIL;
1465     }
1466
1467     OSSpinLockLock(&This->lock);
1468
1469     This->playing = StatePlaying;
1470
1471     OSSpinLockUnlock(&This->lock);
1472
1473     return S_OK;
1474 }
1475
1476 static HRESULT WINAPI AudioClient_Stop(IAudioClient *iface)
1477 {
1478     ACImpl *This = impl_from_IAudioClient(iface);
1479     AudioTimeStamp tstamp;
1480     OSStatus sc;
1481
1482     TRACE("(%p)\n", This);
1483
1484     OSSpinLockLock(&This->lock);
1485
1486     if(!This->aqueue){
1487         OSSpinLockUnlock(&This->lock);
1488         return AUDCLNT_E_NOT_INITIALIZED;
1489     }
1490
1491     if(This->playing == StateStopped){
1492         OSSpinLockUnlock(&This->lock);
1493         return S_FALSE;
1494     }
1495
1496     if(This->playing == StateInTransition){
1497         OSSpinLockUnlock(&This->lock);
1498         return S_OK;
1499     }
1500
1501     if(This->timer && This->timer != INVALID_HANDLE_VALUE){
1502         DeleteTimerQueueTimer(g_timer_q, This->timer, INVALID_HANDLE_VALUE);
1503         This->timer = NULL;
1504     }
1505
1506     This->playing = StateInTransition;
1507
1508     sc = AudioQueueGetCurrentTime(This->aqueue, NULL, &tstamp, NULL);
1509     if(sc == noErr){
1510         if(tstamp.mFlags & kAudioTimeStampSampleTimeValid){
1511             if(tstamp.mSampleTime > This->highest_sampletime)
1512                 This->highest_sampletime = tstamp.mSampleTime;
1513         }else
1514             WARN("Returned tstamp mSampleTime not valid: %lx\n", tstamp.mFlags);
1515     }else
1516         WARN("GetCurrentTime failed: %lx\n", sc);
1517
1518     OSSpinLockUnlock(&This->lock);
1519
1520     sc = AudioQueueFlush(This->aqueue);
1521     if(sc != noErr)
1522         WARN("Unable to flush audio queue: %lx\n", sc);
1523
1524     sc = AudioQueuePause(This->aqueue);
1525     if(sc != noErr){
1526         WARN("Unable to pause audio queue: %lx\n", sc);
1527         return E_FAIL;
1528     }
1529
1530     OSSpinLockLock(&This->lock);
1531
1532     This->playing = StateStopped;
1533
1534     OSSpinLockUnlock(&This->lock);
1535
1536     return S_OK;
1537 }
1538
1539 static HRESULT WINAPI AudioClient_Reset(IAudioClient *iface)
1540 {
1541     ACImpl *This = impl_from_IAudioClient(iface);
1542     OSStatus sc;
1543     QueuedBufInfo *bufinfo, *bufinfo2;
1544
1545     TRACE("(%p)\n", This);
1546
1547     OSSpinLockLock(&This->lock);
1548
1549     if(!This->aqueue){
1550         OSSpinLockUnlock(&This->lock);
1551         return AUDCLNT_E_NOT_INITIALIZED;
1552     }
1553
1554     if(This->playing != StateStopped){
1555         OSSpinLockUnlock(&This->lock);
1556         return AUDCLNT_E_NOT_STOPPED;
1557     }
1558
1559     if(This->getbuf_last){
1560         OSSpinLockUnlock(&This->lock);
1561         return AUDCLNT_E_BUFFER_OPERATION_PENDING;
1562     }
1563
1564     This->written_frames = 0;
1565     This->inbuf_frames = 0;
1566
1567     LIST_FOR_EACH_ENTRY_SAFE(bufinfo, bufinfo2, &This->queued_bufinfos,
1568             QueuedBufInfo, entry){
1569         list_remove(&bufinfo->entry);
1570         HeapFree(GetProcessHeap(), 0, bufinfo);
1571     }
1572
1573     OSSpinLockUnlock(&This->lock);
1574
1575     sc = AudioQueueReset(This->aqueue);
1576     if(sc != noErr){
1577         WARN("Unable to reset audio queue: %lx\n", sc);
1578         return E_FAIL;
1579     }
1580
1581     return S_OK;
1582 }
1583
1584 static HRESULT WINAPI AudioClient_SetEventHandle(IAudioClient *iface,
1585         HANDLE event)
1586 {
1587     ACImpl *This = impl_from_IAudioClient(iface);
1588
1589     TRACE("(%p)->(%p)\n", This, event);
1590
1591     if(!event)
1592         return E_INVALIDARG;
1593
1594     OSSpinLockLock(&This->lock);
1595
1596     if(!This->aqueue){
1597         OSSpinLockUnlock(&This->lock);
1598         return AUDCLNT_E_NOT_INITIALIZED;
1599     }
1600
1601     if(!(This->flags & AUDCLNT_STREAMFLAGS_EVENTCALLBACK)){
1602         OSSpinLockUnlock(&This->lock);
1603         return AUDCLNT_E_EVENTHANDLE_NOT_EXPECTED;
1604     }
1605
1606     This->event = event;
1607
1608     OSSpinLockUnlock(&This->lock);
1609
1610     return S_OK;
1611 }
1612
1613 static HRESULT WINAPI AudioClient_GetService(IAudioClient *iface, REFIID riid,
1614         void **ppv)
1615 {
1616     ACImpl *This = impl_from_IAudioClient(iface);
1617
1618     TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(riid), ppv);
1619
1620     if(!ppv)
1621         return E_POINTER;
1622     *ppv = NULL;
1623
1624     OSSpinLockLock(&This->lock);
1625
1626     if(!This->aqueue){
1627         OSSpinLockUnlock(&This->lock);
1628         return AUDCLNT_E_NOT_INITIALIZED;
1629     }
1630
1631     if(IsEqualIID(riid, &IID_IAudioRenderClient)){
1632         if(This->dataflow != eRender){
1633             OSSpinLockUnlock(&This->lock);
1634             return AUDCLNT_E_WRONG_ENDPOINT_TYPE;
1635         }
1636         IAudioRenderClient_AddRef(&This->IAudioRenderClient_iface);
1637         *ppv = &This->IAudioRenderClient_iface;
1638     }else if(IsEqualIID(riid, &IID_IAudioCaptureClient)){
1639         if(This->dataflow != eCapture){
1640             OSSpinLockUnlock(&This->lock);
1641             return AUDCLNT_E_WRONG_ENDPOINT_TYPE;
1642         }
1643         IAudioCaptureClient_AddRef(&This->IAudioCaptureClient_iface);
1644         *ppv = &This->IAudioCaptureClient_iface;
1645     }else if(IsEqualIID(riid, &IID_IAudioClock)){
1646         IAudioClock_AddRef(&This->IAudioClock_iface);
1647         *ppv = &This->IAudioClock_iface;
1648     }else if(IsEqualIID(riid, &IID_IAudioStreamVolume)){
1649         IAudioStreamVolume_AddRef(&This->IAudioStreamVolume_iface);
1650         *ppv = &This->IAudioStreamVolume_iface;
1651     }else if(IsEqualIID(riid, &IID_IAudioSessionControl)){
1652         if(!This->session_wrapper){
1653             This->session_wrapper = AudioSessionWrapper_Create(This);
1654             if(!This->session_wrapper){
1655                 OSSpinLockUnlock(&This->lock);
1656                 return E_OUTOFMEMORY;
1657             }
1658         }else
1659             IAudioSessionControl2_AddRef(&This->session_wrapper->IAudioSessionControl2_iface);
1660
1661         *ppv = &This->session_wrapper->IAudioSessionControl2_iface;
1662     }else if(IsEqualIID(riid, &IID_IChannelAudioVolume)){
1663         if(!This->session_wrapper){
1664             This->session_wrapper = AudioSessionWrapper_Create(This);
1665             if(!This->session_wrapper){
1666                 OSSpinLockUnlock(&This->lock);
1667                 return E_OUTOFMEMORY;
1668             }
1669         }else
1670             IChannelAudioVolume_AddRef(&This->session_wrapper->IChannelAudioVolume_iface);
1671
1672         *ppv = &This->session_wrapper->IChannelAudioVolume_iface;
1673     }else if(IsEqualIID(riid, &IID_ISimpleAudioVolume)){
1674         if(!This->session_wrapper){
1675             This->session_wrapper = AudioSessionWrapper_Create(This);
1676             if(!This->session_wrapper){
1677                 OSSpinLockUnlock(&This->lock);
1678                 return E_OUTOFMEMORY;
1679             }
1680         }else
1681             ISimpleAudioVolume_AddRef(&This->session_wrapper->ISimpleAudioVolume_iface);
1682
1683         *ppv = &This->session_wrapper->ISimpleAudioVolume_iface;
1684     }
1685
1686     if(*ppv){
1687         OSSpinLockUnlock(&This->lock);
1688         return S_OK;
1689     }
1690
1691     OSSpinLockUnlock(&This->lock);
1692
1693     FIXME("stub %s\n", debugstr_guid(riid));
1694     return E_NOINTERFACE;
1695 }
1696
1697 static const IAudioClientVtbl AudioClient_Vtbl =
1698 {
1699     AudioClient_QueryInterface,
1700     AudioClient_AddRef,
1701     AudioClient_Release,
1702     AudioClient_Initialize,
1703     AudioClient_GetBufferSize,
1704     AudioClient_GetStreamLatency,
1705     AudioClient_GetCurrentPadding,
1706     AudioClient_IsFormatSupported,
1707     AudioClient_GetMixFormat,
1708     AudioClient_GetDevicePeriod,
1709     AudioClient_Start,
1710     AudioClient_Stop,
1711     AudioClient_Reset,
1712     AudioClient_SetEventHandle,
1713     AudioClient_GetService
1714 };
1715
1716 static HRESULT WINAPI AudioRenderClient_QueryInterface(
1717         IAudioRenderClient *iface, REFIID riid, void **ppv)
1718 {
1719     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
1720
1721     if(!ppv)
1722         return E_POINTER;
1723     *ppv = NULL;
1724
1725     if(IsEqualIID(riid, &IID_IUnknown) ||
1726             IsEqualIID(riid, &IID_IAudioRenderClient))
1727         *ppv = iface;
1728     if(*ppv){
1729         IUnknown_AddRef((IUnknown*)*ppv);
1730         return S_OK;
1731     }
1732
1733     WARN("Unknown interface %s\n", debugstr_guid(riid));
1734     return E_NOINTERFACE;
1735 }
1736
1737 static ULONG WINAPI AudioRenderClient_AddRef(IAudioRenderClient *iface)
1738 {
1739     ACImpl *This = impl_from_IAudioRenderClient(iface);
1740     return AudioClient_AddRef(&This->IAudioClient_iface);
1741 }
1742
1743 static ULONG WINAPI AudioRenderClient_Release(IAudioRenderClient *iface)
1744 {
1745     ACImpl *This = impl_from_IAudioRenderClient(iface);
1746     return AudioClient_Release(&This->IAudioClient_iface);
1747 }
1748
1749 static HRESULT WINAPI AudioRenderClient_GetBuffer(IAudioRenderClient *iface,
1750         UINT32 frames, BYTE **data)
1751 {
1752     ACImpl *This = impl_from_IAudioRenderClient(iface);
1753     AQBuffer *buf;
1754     UINT32 pad, bytes = frames * This->fmt->nBlockAlign;
1755     HRESULT hr;
1756     OSStatus sc;
1757
1758     TRACE("(%p)->(%u, %p)\n", This, frames, data);
1759
1760     if(!data)
1761         return E_POINTER;
1762     *data = NULL;
1763
1764     OSSpinLockLock(&This->lock);
1765
1766     if(This->getbuf_last){
1767         OSSpinLockUnlock(&This->lock);
1768         return AUDCLNT_E_OUT_OF_ORDER;
1769     }
1770
1771     if(!frames){
1772         OSSpinLockUnlock(&This->lock);
1773         return S_OK;
1774     }
1775
1776     hr = AudioClient_GetCurrentPadding_nolock(This, &pad);
1777     if(FAILED(hr)){
1778         OSSpinLockUnlock(&This->lock);
1779         return hr;
1780     }
1781
1782     if(pad + frames > This->bufsize_frames){
1783         OSSpinLockUnlock(&This->lock);
1784         return AUDCLNT_E_BUFFER_TOO_LARGE;
1785     }
1786
1787     LIST_FOR_EACH_ENTRY(buf, &This->avail_buffers, AQBuffer, entry){
1788         if(buf->buf->mAudioDataBytesCapacity >= bytes){
1789             This->public_buffer = buf->buf;
1790             list_remove(&buf->entry);
1791             break;
1792         }
1793     }
1794
1795     if(&buf->entry == &This->avail_buffers){
1796         sc = AudioQueueAllocateBuffer(This->aqueue, bytes,
1797                 &This->public_buffer);
1798         if(sc != noErr){
1799             OSSpinLockUnlock(&This->lock);
1800             WARN("Unable to allocate buffer: %lx\n", sc);
1801             return E_FAIL;
1802         }
1803         buf = HeapAlloc(GetProcessHeap(), 0, sizeof(AQBuffer));
1804         if(!buf){
1805             AudioQueueFreeBuffer(This->aqueue, This->public_buffer);
1806             This->public_buffer = NULL;
1807             OSSpinLockUnlock(&This->lock);
1808             return E_OUTOFMEMORY;
1809         }
1810         buf->buf = This->public_buffer;
1811         This->public_buffer->mUserData = buf;
1812     }
1813
1814     *data = This->public_buffer->mAudioData;
1815
1816     This->getbuf_last = frames;
1817
1818     OSSpinLockUnlock(&This->lock);
1819
1820     return S_OK;
1821 }
1822
1823 static HRESULT WINAPI AudioRenderClient_ReleaseBuffer(
1824         IAudioRenderClient *iface, UINT32 frames, DWORD flags)
1825 {
1826     ACImpl *This = impl_from_IAudioRenderClient(iface);
1827     AudioTimeStamp start_time;
1828     OSStatus sc;
1829
1830     TRACE("(%p)->(%u, %x)\n", This, frames, flags);
1831
1832     OSSpinLockLock(&This->lock);
1833
1834     if(!frames){
1835         This->getbuf_last = 0;
1836         if(This->public_buffer){
1837             AQBuffer *buf = This->public_buffer->mUserData;
1838             list_add_tail(&This->avail_buffers, &buf->entry);
1839             This->public_buffer = NULL;
1840         }
1841         OSSpinLockUnlock(&This->lock);
1842         return S_OK;
1843     }
1844
1845     if(!This->getbuf_last){
1846         OSSpinLockUnlock(&This->lock);
1847         return AUDCLNT_E_OUT_OF_ORDER;
1848     }
1849
1850     if(frames > This->getbuf_last){
1851         OSSpinLockUnlock(&This->lock);
1852         return AUDCLNT_E_INVALID_SIZE;
1853     }
1854
1855     if(flags & AUDCLNT_BUFFERFLAGS_SILENT){
1856         WAVEFORMATEXTENSIBLE *fmtex = (WAVEFORMATEXTENSIBLE*)This->fmt;
1857         if((This->fmt->wFormatTag == WAVE_FORMAT_PCM ||
1858                 (This->fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
1859                  IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))) &&
1860                 This->fmt->wBitsPerSample == 8)
1861             memset(This->public_buffer->mAudioData, 128,
1862                     frames * This->fmt->nBlockAlign);
1863         else
1864             memset(This->public_buffer->mAudioData, 0,
1865                     frames * This->fmt->nBlockAlign);
1866     }
1867
1868     This->public_buffer->mAudioDataByteSize = frames * This->fmt->nBlockAlign;
1869
1870     sc = AudioQueueEnqueueBufferWithParameters(This->aqueue,
1871             This->public_buffer, 0, NULL, 0, 0, 0, NULL, NULL, &start_time);
1872     if(sc != noErr){
1873         OSSpinLockUnlock(&This->lock);
1874         WARN("Unable to enqueue buffer: %lx\n", sc);
1875         return E_FAIL;
1876     }
1877
1878     if(start_time.mFlags & kAudioTimeStampSampleTimeValid){
1879         QueuedBufInfo *bufinfo;
1880
1881         bufinfo = HeapAlloc(GetProcessHeap(), 0, sizeof(*bufinfo));
1882         bufinfo->start_sampletime = start_time.mSampleTime;
1883         bufinfo->start_pos = This->written_frames;
1884         bufinfo->len_frames = frames;
1885
1886         list_add_tail(&This->queued_bufinfos, &bufinfo->entry);
1887     }else
1888         WARN("Start time didn't contain valid SampleTime member\n");
1889
1890     if(This->playing == StateStopped)
1891         AudioQueuePrime(This->aqueue, 0, NULL);
1892
1893     This->public_buffer = NULL;
1894     This->getbuf_last = 0;
1895     This->written_frames += frames;
1896     This->inbuf_frames += frames;
1897
1898     OSSpinLockUnlock(&This->lock);
1899
1900     return S_OK;
1901 }
1902
1903 static const IAudioRenderClientVtbl AudioRenderClient_Vtbl = {
1904     AudioRenderClient_QueryInterface,
1905     AudioRenderClient_AddRef,
1906     AudioRenderClient_Release,
1907     AudioRenderClient_GetBuffer,
1908     AudioRenderClient_ReleaseBuffer
1909 };
1910
1911 static HRESULT WINAPI AudioCaptureClient_QueryInterface(
1912         IAudioCaptureClient *iface, REFIID riid, void **ppv)
1913 {
1914     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
1915
1916     if(!ppv)
1917         return E_POINTER;
1918     *ppv = NULL;
1919
1920     if(IsEqualIID(riid, &IID_IUnknown) ||
1921             IsEqualIID(riid, &IID_IAudioCaptureClient))
1922         *ppv = iface;
1923     if(*ppv){
1924         IUnknown_AddRef((IUnknown*)*ppv);
1925         return S_OK;
1926     }
1927
1928     WARN("Unknown interface %s\n", debugstr_guid(riid));
1929     return E_NOINTERFACE;
1930 }
1931
1932 static ULONG WINAPI AudioCaptureClient_AddRef(IAudioCaptureClient *iface)
1933 {
1934     ACImpl *This = impl_from_IAudioCaptureClient(iface);
1935     return IAudioClient_AddRef(&This->IAudioClient_iface);
1936 }
1937
1938 static ULONG WINAPI AudioCaptureClient_Release(IAudioCaptureClient *iface)
1939 {
1940     ACImpl *This = impl_from_IAudioCaptureClient(iface);
1941     return IAudioClient_Release(&This->IAudioClient_iface);
1942 }
1943
1944 static HRESULT WINAPI AudioCaptureClient_GetBuffer(IAudioCaptureClient *iface,
1945         BYTE **data, UINT32 *frames, DWORD *flags, UINT64 *devpos,
1946         UINT64 *qpcpos)
1947 {
1948     ACImpl *This = impl_from_IAudioCaptureClient(iface);
1949
1950     TRACE("(%p)->(%p, %p, %p, %p, %p)\n", This, data, frames, flags,
1951             devpos, qpcpos);
1952
1953     if(!data || !frames || !flags)
1954         return E_POINTER;
1955
1956     OSSpinLockLock(&This->lock);
1957
1958     if(This->getbuf_last){
1959         OSSpinLockUnlock(&This->lock);
1960         return AUDCLNT_E_OUT_OF_ORDER;
1961     }
1962
1963     if(This->public_buffer){
1964         *data = This->public_buffer->mAudioData;
1965         *frames =
1966             This->public_buffer->mAudioDataByteSize / This->fmt->nBlockAlign;
1967     }else{
1968         struct list *head = list_head(&This->avail_buffers);
1969         if(!head){
1970             *data = NULL;
1971             *frames = 0;
1972         }else{
1973             AQBuffer *buf = LIST_ENTRY(head, AQBuffer, entry);
1974             This->public_buffer = buf->buf;
1975             *data = This->public_buffer->mAudioData;
1976             *frames =
1977                 This->public_buffer->mAudioDataByteSize / This->fmt->nBlockAlign;
1978             list_remove(&buf->entry);
1979         }
1980     }
1981
1982     *flags = 0;
1983     This->written_frames += *frames;
1984     This->inbuf_frames -= *frames;
1985     This->getbuf_last = 1;
1986
1987     if(devpos || qpcpos)
1988         AudioClock_GetPosition_nolock(This, devpos, qpcpos);
1989
1990     OSSpinLockUnlock(&This->lock);
1991
1992     return *frames ? S_OK : AUDCLNT_S_BUFFER_EMPTY;
1993 }
1994
1995 static HRESULT WINAPI AudioCaptureClient_ReleaseBuffer(
1996         IAudioCaptureClient *iface, UINT32 done)
1997 {
1998     ACImpl *This = impl_from_IAudioCaptureClient(iface);
1999     UINT32 pbuf_frames;
2000     OSStatus sc;
2001
2002     TRACE("(%p)->(%u)\n", This, done);
2003
2004     OSSpinLockLock(&This->lock);
2005
2006     if(!This->getbuf_last){
2007         OSSpinLockUnlock(&This->lock);
2008         return AUDCLNT_E_OUT_OF_ORDER;
2009     }
2010
2011     pbuf_frames = This->public_buffer->mAudioDataByteSize / This->fmt->nBlockAlign;
2012     if(done != 0 && done != pbuf_frames){
2013         OSSpinLockUnlock(&This->lock);
2014         return AUDCLNT_E_INVALID_SIZE;
2015     }
2016
2017     if(done){
2018         sc = AudioQueueEnqueueBuffer(This->aqueue, This->public_buffer,
2019                 0, NULL);
2020         if(sc != noErr)
2021             WARN("Unable to enqueue buffer: %lx\n", sc);
2022         This->public_buffer = NULL;
2023     }
2024
2025     This->getbuf_last = 0;
2026
2027     OSSpinLockUnlock(&This->lock);
2028
2029     return S_OK;
2030 }
2031
2032 static HRESULT WINAPI AudioCaptureClient_GetNextPacketSize(
2033         IAudioCaptureClient *iface, UINT32 *frames)
2034 {
2035     ACImpl *This = impl_from_IAudioCaptureClient(iface);
2036     struct list *head;
2037     AQBuffer *buf;
2038
2039     TRACE("(%p)->(%p)\n", This, frames);
2040
2041     if(!frames)
2042         return E_POINTER;
2043
2044     OSSpinLockLock(&This->lock);
2045
2046     head = list_head(&This->avail_buffers);
2047
2048     if(!head){
2049         *frames = This->bufsize_frames / CAPTURE_BUFFERS;
2050         OSSpinLockUnlock(&This->lock);
2051         return S_OK;
2052     }
2053
2054     buf = LIST_ENTRY(head, AQBuffer, entry);
2055     *frames = buf->buf->mAudioDataByteSize / This->fmt->nBlockAlign;
2056
2057     OSSpinLockUnlock(&This->lock);
2058
2059     return S_OK;
2060 }
2061
2062 static const IAudioCaptureClientVtbl AudioCaptureClient_Vtbl =
2063 {
2064     AudioCaptureClient_QueryInterface,
2065     AudioCaptureClient_AddRef,
2066     AudioCaptureClient_Release,
2067     AudioCaptureClient_GetBuffer,
2068     AudioCaptureClient_ReleaseBuffer,
2069     AudioCaptureClient_GetNextPacketSize
2070 };
2071
2072 static HRESULT WINAPI AudioClock_QueryInterface(IAudioClock *iface,
2073         REFIID riid, void **ppv)
2074 {
2075     ACImpl *This = impl_from_IAudioClock(iface);
2076
2077     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2078
2079     if(!ppv)
2080         return E_POINTER;
2081     *ppv = NULL;
2082
2083     if(IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IAudioClock))
2084         *ppv = iface;
2085     else if(IsEqualIID(riid, &IID_IAudioClock2))
2086         *ppv = &This->IAudioClock2_iface;
2087     if(*ppv){
2088         IUnknown_AddRef((IUnknown*)*ppv);
2089         return S_OK;
2090     }
2091
2092     WARN("Unknown interface %s\n", debugstr_guid(riid));
2093     return E_NOINTERFACE;
2094 }
2095
2096 static ULONG WINAPI AudioClock_AddRef(IAudioClock *iface)
2097 {
2098     ACImpl *This = impl_from_IAudioClock(iface);
2099     return IAudioClient_AddRef(&This->IAudioClient_iface);
2100 }
2101
2102 static ULONG WINAPI AudioClock_Release(IAudioClock *iface)
2103 {
2104     ACImpl *This = impl_from_IAudioClock(iface);
2105     return IAudioClient_Release(&This->IAudioClient_iface);
2106 }
2107
2108 static HRESULT WINAPI AudioClock_GetFrequency(IAudioClock *iface, UINT64 *freq)
2109 {
2110     ACImpl *This = impl_from_IAudioClock(iface);
2111
2112     TRACE("(%p)->(%p)\n", This, freq);
2113
2114     *freq = This->fmt->nSamplesPerSec;
2115
2116     return S_OK;
2117 }
2118
2119 static HRESULT AudioClock_GetPosition_nolock(ACImpl *This,
2120         UINT64 *pos, UINT64 *qpctime)
2121 {
2122     if(This->dataflow == eRender)
2123         *pos = get_current_aqbuffer_position(This, BUFPOS_ABSOLUTE);
2124     else
2125         *pos = This->inbuf_frames + This->written_frames;
2126
2127     if(qpctime){
2128         LARGE_INTEGER stamp, freq;
2129         QueryPerformanceCounter(&stamp);
2130         QueryPerformanceFrequency(&freq);
2131         *qpctime = (stamp.QuadPart * (INT64)10000000) / freq.QuadPart;
2132     }
2133
2134     return S_OK;
2135 }
2136
2137 static HRESULT WINAPI AudioClock_GetPosition(IAudioClock *iface, UINT64 *pos,
2138         UINT64 *qpctime)
2139 {
2140     ACImpl *This = impl_from_IAudioClock(iface);
2141     HRESULT hr;
2142
2143     TRACE("(%p)->(%p, %p)\n", This, pos, qpctime);
2144
2145     if(!pos)
2146         return E_POINTER;
2147
2148     OSSpinLockLock(&This->lock);
2149
2150     hr = AudioClock_GetPosition_nolock(This, pos, qpctime);
2151
2152     OSSpinLockUnlock(&This->lock);
2153
2154     return hr;
2155 }
2156
2157 static HRESULT WINAPI AudioClock_GetCharacteristics(IAudioClock *iface,
2158         DWORD *chars)
2159 {
2160     ACImpl *This = impl_from_IAudioClock(iface);
2161
2162     TRACE("(%p)->(%p)\n", This, chars);
2163
2164     if(!chars)
2165         return E_POINTER;
2166
2167     *chars = AUDIOCLOCK_CHARACTERISTIC_FIXED_FREQ;
2168
2169     return S_OK;
2170 }
2171
2172 static const IAudioClockVtbl AudioClock_Vtbl =
2173 {
2174     AudioClock_QueryInterface,
2175     AudioClock_AddRef,
2176     AudioClock_Release,
2177     AudioClock_GetFrequency,
2178     AudioClock_GetPosition,
2179     AudioClock_GetCharacteristics
2180 };
2181
2182 static HRESULT WINAPI AudioClock2_QueryInterface(IAudioClock2 *iface,
2183         REFIID riid, void **ppv)
2184 {
2185     ACImpl *This = impl_from_IAudioClock2(iface);
2186     return IAudioClock_QueryInterface(&This->IAudioClock_iface, riid, ppv);
2187 }
2188
2189 static ULONG WINAPI AudioClock2_AddRef(IAudioClock2 *iface)
2190 {
2191     ACImpl *This = impl_from_IAudioClock2(iface);
2192     return IAudioClient_AddRef(&This->IAudioClient_iface);
2193 }
2194
2195 static ULONG WINAPI AudioClock2_Release(IAudioClock2 *iface)
2196 {
2197     ACImpl *This = impl_from_IAudioClock2(iface);
2198     return IAudioClient_Release(&This->IAudioClient_iface);
2199 }
2200
2201 static HRESULT WINAPI AudioClock2_GetDevicePosition(IAudioClock2 *iface,
2202         UINT64 *pos, UINT64 *qpctime)
2203 {
2204     ACImpl *This = impl_from_IAudioClock2(iface);
2205
2206     FIXME("(%p)->(%p, %p)\n", This, pos, qpctime);
2207
2208     return E_NOTIMPL;
2209 }
2210
2211 static const IAudioClock2Vtbl AudioClock2_Vtbl =
2212 {
2213     AudioClock2_QueryInterface,
2214     AudioClock2_AddRef,
2215     AudioClock2_Release,
2216     AudioClock2_GetDevicePosition
2217 };
2218
2219 static AudioSessionWrapper *AudioSessionWrapper_Create(ACImpl *client)
2220 {
2221     AudioSessionWrapper *ret;
2222
2223     ret = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
2224             sizeof(AudioSessionWrapper));
2225     if(!ret)
2226         return NULL;
2227
2228     ret->IAudioSessionControl2_iface.lpVtbl = &AudioSessionControl2_Vtbl;
2229     ret->ISimpleAudioVolume_iface.lpVtbl = &SimpleAudioVolume_Vtbl;
2230     ret->IChannelAudioVolume_iface.lpVtbl = &ChannelAudioVolume_Vtbl;
2231
2232     ret->ref = 1;
2233
2234     ret->client = client;
2235     if(client){
2236         ret->session = client->session;
2237         AudioClient_AddRef(&client->IAudioClient_iface);
2238     }
2239
2240     return ret;
2241 }
2242
2243 static HRESULT WINAPI AudioSessionControl_QueryInterface(
2244         IAudioSessionControl2 *iface, REFIID riid, void **ppv)
2245 {
2246     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2247
2248     if(!ppv)
2249         return E_POINTER;
2250     *ppv = NULL;
2251
2252     if(IsEqualIID(riid, &IID_IUnknown) ||
2253             IsEqualIID(riid, &IID_IAudioSessionControl) ||
2254             IsEqualIID(riid, &IID_IAudioSessionControl2))
2255         *ppv = iface;
2256     if(*ppv){
2257         IUnknown_AddRef((IUnknown*)*ppv);
2258         return S_OK;
2259     }
2260
2261     WARN("Unknown interface %s\n", debugstr_guid(riid));
2262     return E_NOINTERFACE;
2263 }
2264
2265 static ULONG WINAPI AudioSessionControl_AddRef(IAudioSessionControl2 *iface)
2266 {
2267     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2268     ULONG ref;
2269     ref = InterlockedIncrement(&This->ref);
2270     TRACE("(%p) Refcount now %u\n", This, ref);
2271     return ref;
2272 }
2273
2274 static ULONG WINAPI AudioSessionControl_Release(IAudioSessionControl2 *iface)
2275 {
2276     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2277     ULONG ref;
2278     ref = InterlockedDecrement(&This->ref);
2279     TRACE("(%p) Refcount now %u\n", This, ref);
2280     if(!ref){
2281         if(This->client){
2282             OSSpinLockLock(&This->client->lock);
2283             This->client->session_wrapper = NULL;
2284             OSSpinLockUnlock(&This->client->lock);
2285             AudioClient_Release(&This->client->IAudioClient_iface);
2286         }
2287         HeapFree(GetProcessHeap(), 0, This);
2288     }
2289     return ref;
2290 }
2291
2292 static HRESULT WINAPI AudioSessionControl_GetState(IAudioSessionControl2 *iface,
2293         AudioSessionState *state)
2294 {
2295     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2296     ACImpl *client;
2297
2298     TRACE("(%p)->(%p)\n", This, state);
2299
2300     if(!state)
2301         return NULL_PTR_ERR;
2302
2303     EnterCriticalSection(&g_sessions_lock);
2304
2305     if(list_empty(&This->session->clients)){
2306         *state = AudioSessionStateExpired;
2307         LeaveCriticalSection(&g_sessions_lock);
2308         return S_OK;
2309     }
2310
2311     LIST_FOR_EACH_ENTRY(client, &This->session->clients, ACImpl, entry){
2312         OSSpinLockLock(&client->lock);
2313         if(client->playing == StatePlaying ||
2314                 client->playing == StateInTransition){
2315             *state = AudioSessionStateActive;
2316             OSSpinLockUnlock(&client->lock);
2317             LeaveCriticalSection(&g_sessions_lock);
2318             return S_OK;
2319         }
2320         OSSpinLockUnlock(&client->lock);
2321     }
2322
2323     LeaveCriticalSection(&g_sessions_lock);
2324
2325     *state = AudioSessionStateInactive;
2326
2327     return S_OK;
2328 }
2329
2330 static HRESULT WINAPI AudioSessionControl_GetDisplayName(
2331         IAudioSessionControl2 *iface, WCHAR **name)
2332 {
2333     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2334
2335     FIXME("(%p)->(%p) - stub\n", This, name);
2336
2337     return E_NOTIMPL;
2338 }
2339
2340 static HRESULT WINAPI AudioSessionControl_SetDisplayName(
2341         IAudioSessionControl2 *iface, const WCHAR *name, const GUID *session)
2342 {
2343     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2344
2345     FIXME("(%p)->(%p, %s) - stub\n", This, name, debugstr_guid(session));
2346
2347     return E_NOTIMPL;
2348 }
2349
2350 static HRESULT WINAPI AudioSessionControl_GetIconPath(
2351         IAudioSessionControl2 *iface, WCHAR **path)
2352 {
2353     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2354
2355     FIXME("(%p)->(%p) - stub\n", This, path);
2356
2357     return E_NOTIMPL;
2358 }
2359
2360 static HRESULT WINAPI AudioSessionControl_SetIconPath(
2361         IAudioSessionControl2 *iface, const WCHAR *path, const GUID *session)
2362 {
2363     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2364
2365     FIXME("(%p)->(%p, %s) - stub\n", This, path, debugstr_guid(session));
2366
2367     return E_NOTIMPL;
2368 }
2369
2370 static HRESULT WINAPI AudioSessionControl_GetGroupingParam(
2371         IAudioSessionControl2 *iface, GUID *group)
2372 {
2373     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2374
2375     FIXME("(%p)->(%p) - stub\n", This, group);
2376
2377     return E_NOTIMPL;
2378 }
2379
2380 static HRESULT WINAPI AudioSessionControl_SetGroupingParam(
2381         IAudioSessionControl2 *iface, const GUID *group, const GUID *session)
2382 {
2383     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2384
2385     FIXME("(%p)->(%s, %s) - stub\n", This, debugstr_guid(group),
2386             debugstr_guid(session));
2387
2388     return E_NOTIMPL;
2389 }
2390
2391 static HRESULT WINAPI AudioSessionControl_RegisterAudioSessionNotification(
2392         IAudioSessionControl2 *iface, IAudioSessionEvents *events)
2393 {
2394     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2395
2396     FIXME("(%p)->(%p) - stub\n", This, events);
2397
2398     return S_OK;
2399 }
2400
2401 static HRESULT WINAPI AudioSessionControl_UnregisterAudioSessionNotification(
2402         IAudioSessionControl2 *iface, IAudioSessionEvents *events)
2403 {
2404     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2405
2406     FIXME("(%p)->(%p) - stub\n", This, events);
2407
2408     return S_OK;
2409 }
2410
2411 static HRESULT WINAPI AudioSessionControl_GetSessionIdentifier(
2412         IAudioSessionControl2 *iface, WCHAR **id)
2413 {
2414     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2415
2416     FIXME("(%p)->(%p) - stub\n", This, id);
2417
2418     return E_NOTIMPL;
2419 }
2420
2421 static HRESULT WINAPI AudioSessionControl_GetSessionInstanceIdentifier(
2422         IAudioSessionControl2 *iface, WCHAR **id)
2423 {
2424     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2425
2426     FIXME("(%p)->(%p) - stub\n", This, id);
2427
2428     return E_NOTIMPL;
2429 }
2430
2431 static HRESULT WINAPI AudioSessionControl_GetProcessId(
2432         IAudioSessionControl2 *iface, DWORD *pid)
2433 {
2434     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2435
2436     TRACE("(%p)->(%p)\n", This, pid);
2437
2438     if(!pid)
2439         return E_POINTER;
2440
2441     *pid = GetCurrentProcessId();
2442
2443     return S_OK;
2444 }
2445
2446 static HRESULT WINAPI AudioSessionControl_IsSystemSoundsSession(
2447         IAudioSessionControl2 *iface)
2448 {
2449     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2450
2451     TRACE("(%p)\n", This);
2452
2453     return S_FALSE;
2454 }
2455
2456 static HRESULT WINAPI AudioSessionControl_SetDuckingPreference(
2457         IAudioSessionControl2 *iface, BOOL optout)
2458 {
2459     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2460
2461     TRACE("(%p)->(%d)\n", This, optout);
2462
2463     return S_OK;
2464 }
2465
2466 static const IAudioSessionControl2Vtbl AudioSessionControl2_Vtbl =
2467 {
2468     AudioSessionControl_QueryInterface,
2469     AudioSessionControl_AddRef,
2470     AudioSessionControl_Release,
2471     AudioSessionControl_GetState,
2472     AudioSessionControl_GetDisplayName,
2473     AudioSessionControl_SetDisplayName,
2474     AudioSessionControl_GetIconPath,
2475     AudioSessionControl_SetIconPath,
2476     AudioSessionControl_GetGroupingParam,
2477     AudioSessionControl_SetGroupingParam,
2478     AudioSessionControl_RegisterAudioSessionNotification,
2479     AudioSessionControl_UnregisterAudioSessionNotification,
2480     AudioSessionControl_GetSessionIdentifier,
2481     AudioSessionControl_GetSessionInstanceIdentifier,
2482     AudioSessionControl_GetProcessId,
2483     AudioSessionControl_IsSystemSoundsSession,
2484     AudioSessionControl_SetDuckingPreference
2485 };
2486
2487 /* index == -1 means set all channels, otherwise sets only the given channel */
2488 static HRESULT ca_setvol(ACImpl *This, UINT32 index)
2489 {
2490     float level;
2491     OSStatus sc;
2492
2493     if(index == (UINT32)-1){
2494         HRESULT ret = S_OK;
2495         UINT32 i;
2496         for(i = 0; i < This->fmt->nChannels; ++i){
2497             HRESULT hr;
2498             hr = ca_setvol(This, i);
2499             if(FAILED(hr))
2500                 ret = hr;
2501         }
2502         return ret;
2503     }
2504
2505     if(This->session->mute)
2506         level = 0;
2507     else
2508         level = This->session->master_vol *
2509             This->session->channel_vols[index] * This->vols[index];
2510
2511     sc = AudioQueueSetParameter(This->aqueue, kAudioQueueParam_Volume, level);
2512     if(sc != noErr)
2513         WARN("Setting _Volume property failed: %lx\n", sc);
2514
2515     return S_OK;
2516 }
2517
2518 static HRESULT ca_session_setvol(AudioSession *session, UINT32 index)
2519 {
2520     HRESULT ret = S_OK;
2521     ACImpl *client;
2522
2523     LIST_FOR_EACH_ENTRY(client, &session->clients, ACImpl, entry){
2524         HRESULT hr;
2525         hr = ca_setvol(client, index);
2526         if(FAILED(hr))
2527             ret = hr;
2528     }
2529
2530     return ret;
2531 }
2532
2533 static HRESULT WINAPI SimpleAudioVolume_QueryInterface(
2534         ISimpleAudioVolume *iface, REFIID riid, void **ppv)
2535 {
2536     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2537
2538     if(!ppv)
2539         return E_POINTER;
2540     *ppv = NULL;
2541
2542     if(IsEqualIID(riid, &IID_IUnknown) ||
2543             IsEqualIID(riid, &IID_ISimpleAudioVolume))
2544         *ppv = iface;
2545     if(*ppv){
2546         IUnknown_AddRef((IUnknown*)*ppv);
2547         return S_OK;
2548     }
2549
2550     WARN("Unknown interface %s\n", debugstr_guid(riid));
2551     return E_NOINTERFACE;
2552 }
2553
2554 static ULONG WINAPI SimpleAudioVolume_AddRef(ISimpleAudioVolume *iface)
2555 {
2556     AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2557     return AudioSessionControl_AddRef(&This->IAudioSessionControl2_iface);
2558 }
2559
2560 static ULONG WINAPI SimpleAudioVolume_Release(ISimpleAudioVolume *iface)
2561 {
2562     AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2563     return AudioSessionControl_Release(&This->IAudioSessionControl2_iface);
2564 }
2565
2566 static HRESULT WINAPI SimpleAudioVolume_SetMasterVolume(
2567         ISimpleAudioVolume *iface, float level, const GUID *context)
2568 {
2569     AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2570     AudioSession *session = This->session;
2571     HRESULT ret;
2572
2573     TRACE("(%p)->(%f, %s)\n", session, level, wine_dbgstr_guid(context));
2574
2575     if(level < 0.f || level > 1.f)
2576         return E_INVALIDARG;
2577
2578     if(context)
2579         FIXME("Notifications not supported yet\n");
2580
2581     EnterCriticalSection(&session->lock);
2582
2583     session->master_vol = level;
2584
2585     ret = ca_session_setvol(session, -1);
2586
2587     LeaveCriticalSection(&session->lock);
2588
2589     return ret;
2590 }
2591
2592 static HRESULT WINAPI SimpleAudioVolume_GetMasterVolume(
2593         ISimpleAudioVolume *iface, float *level)
2594 {
2595     AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2596     AudioSession *session = This->session;
2597
2598     TRACE("(%p)->(%p)\n", session, level);
2599
2600     if(!level)
2601         return NULL_PTR_ERR;
2602
2603     *level = session->master_vol;
2604
2605     return S_OK;
2606 }
2607
2608 static HRESULT WINAPI SimpleAudioVolume_SetMute(ISimpleAudioVolume *iface,
2609         BOOL mute, const GUID *context)
2610 {
2611     AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2612     AudioSession *session = This->session;
2613
2614     TRACE("(%p)->(%u, %p)\n", session, mute, context);
2615
2616     if(context)
2617         FIXME("Notifications not supported yet\n");
2618
2619     EnterCriticalSection(&session->lock);
2620
2621     session->mute = mute;
2622
2623     ca_session_setvol(session, -1);
2624
2625     LeaveCriticalSection(&session->lock);
2626
2627     return S_OK;
2628 }
2629
2630 static HRESULT WINAPI SimpleAudioVolume_GetMute(ISimpleAudioVolume *iface,
2631         BOOL *mute)
2632 {
2633     AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2634     AudioSession *session = This->session;
2635
2636     TRACE("(%p)->(%p)\n", session, mute);
2637
2638     if(!mute)
2639         return NULL_PTR_ERR;
2640
2641     *mute = session->mute;
2642
2643     return S_OK;
2644 }
2645
2646 static const ISimpleAudioVolumeVtbl SimpleAudioVolume_Vtbl  =
2647 {
2648     SimpleAudioVolume_QueryInterface,
2649     SimpleAudioVolume_AddRef,
2650     SimpleAudioVolume_Release,
2651     SimpleAudioVolume_SetMasterVolume,
2652     SimpleAudioVolume_GetMasterVolume,
2653     SimpleAudioVolume_SetMute,
2654     SimpleAudioVolume_GetMute
2655 };
2656
2657 static HRESULT WINAPI AudioStreamVolume_QueryInterface(
2658         IAudioStreamVolume *iface, REFIID riid, void **ppv)
2659 {
2660     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2661
2662     if(!ppv)
2663         return E_POINTER;
2664     *ppv = NULL;
2665
2666     if(IsEqualIID(riid, &IID_IUnknown) ||
2667             IsEqualIID(riid, &IID_IAudioStreamVolume))
2668         *ppv = iface;
2669     if(*ppv){
2670         IUnknown_AddRef((IUnknown*)*ppv);
2671         return S_OK;
2672     }
2673
2674     WARN("Unknown interface %s\n", debugstr_guid(riid));
2675     return E_NOINTERFACE;
2676 }
2677
2678 static ULONG WINAPI AudioStreamVolume_AddRef(IAudioStreamVolume *iface)
2679 {
2680     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2681     return IAudioClient_AddRef(&This->IAudioClient_iface);
2682 }
2683
2684 static ULONG WINAPI AudioStreamVolume_Release(IAudioStreamVolume *iface)
2685 {
2686     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2687     return IAudioClient_Release(&This->IAudioClient_iface);
2688 }
2689
2690 static HRESULT WINAPI AudioStreamVolume_GetChannelCount(
2691         IAudioStreamVolume *iface, UINT32 *out)
2692 {
2693     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2694
2695     TRACE("(%p)->(%p)\n", This, out);
2696
2697     if(!out)
2698         return E_POINTER;
2699
2700     *out = This->fmt->nChannels;
2701
2702     return S_OK;
2703 }
2704
2705 static HRESULT WINAPI AudioStreamVolume_SetChannelVolume(
2706         IAudioStreamVolume *iface, UINT32 index, float level)
2707 {
2708     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2709     HRESULT ret;
2710
2711     TRACE("(%p)->(%d, %f)\n", This, index, level);
2712
2713     if(level < 0.f || level > 1.f)
2714         return E_INVALIDARG;
2715
2716     if(index >= This->fmt->nChannels)
2717         return E_INVALIDARG;
2718
2719     OSSpinLockLock(&This->lock);
2720
2721     This->vols[index] = level;
2722
2723     WARN("AudioQueue doesn't support per-channel volume control\n");
2724     ret = ca_setvol(This, index);
2725
2726     OSSpinLockUnlock(&This->lock);
2727
2728     return ret;
2729 }
2730
2731 static HRESULT WINAPI AudioStreamVolume_GetChannelVolume(
2732         IAudioStreamVolume *iface, UINT32 index, float *level)
2733 {
2734     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2735
2736     TRACE("(%p)->(%d, %p)\n", This, index, level);
2737
2738     if(!level)
2739         return E_POINTER;
2740
2741     if(index >= This->fmt->nChannels)
2742         return E_INVALIDARG;
2743
2744     *level = This->vols[index];
2745
2746     return S_OK;
2747 }
2748
2749 static HRESULT WINAPI AudioStreamVolume_SetAllVolumes(
2750         IAudioStreamVolume *iface, UINT32 count, const float *levels)
2751 {
2752     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2753     int i;
2754     HRESULT ret;
2755
2756     TRACE("(%p)->(%d, %p)\n", This, count, levels);
2757
2758     if(!levels)
2759         return E_POINTER;
2760
2761     if(count != This->fmt->nChannels)
2762         return E_INVALIDARG;
2763
2764     OSSpinLockLock(&This->lock);
2765
2766     for(i = 0; i < count; ++i)
2767         This->vols[i] = levels[i];
2768
2769     ret = ca_setvol(This, -1);
2770
2771     OSSpinLockUnlock(&This->lock);
2772
2773     return ret;
2774 }
2775
2776 static HRESULT WINAPI AudioStreamVolume_GetAllVolumes(
2777         IAudioStreamVolume *iface, UINT32 count, float *levels)
2778 {
2779     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2780     int i;
2781
2782     TRACE("(%p)->(%d, %p)\n", This, count, levels);
2783
2784     if(!levels)
2785         return E_POINTER;
2786
2787     if(count != This->fmt->nChannels)
2788         return E_INVALIDARG;
2789
2790     OSSpinLockLock(&This->lock);
2791
2792     for(i = 0; i < count; ++i)
2793         levels[i] = This->vols[i];
2794
2795     OSSpinLockUnlock(&This->lock);
2796
2797     return S_OK;
2798 }
2799
2800 static const IAudioStreamVolumeVtbl AudioStreamVolume_Vtbl =
2801 {
2802     AudioStreamVolume_QueryInterface,
2803     AudioStreamVolume_AddRef,
2804     AudioStreamVolume_Release,
2805     AudioStreamVolume_GetChannelCount,
2806     AudioStreamVolume_SetChannelVolume,
2807     AudioStreamVolume_GetChannelVolume,
2808     AudioStreamVolume_SetAllVolumes,
2809     AudioStreamVolume_GetAllVolumes
2810 };
2811
2812 static HRESULT WINAPI ChannelAudioVolume_QueryInterface(
2813         IChannelAudioVolume *iface, REFIID riid, void **ppv)
2814 {
2815     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2816
2817     if(!ppv)
2818         return E_POINTER;
2819     *ppv = NULL;
2820
2821     if(IsEqualIID(riid, &IID_IUnknown) ||
2822             IsEqualIID(riid, &IID_IChannelAudioVolume))
2823         *ppv = iface;
2824     if(*ppv){
2825         IUnknown_AddRef((IUnknown*)*ppv);
2826         return S_OK;
2827     }
2828
2829     WARN("Unknown interface %s\n", debugstr_guid(riid));
2830     return E_NOINTERFACE;
2831 }
2832
2833 static ULONG WINAPI ChannelAudioVolume_AddRef(IChannelAudioVolume *iface)
2834 {
2835     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
2836     return AudioSessionControl_AddRef(&This->IAudioSessionControl2_iface);
2837 }
2838
2839 static ULONG WINAPI ChannelAudioVolume_Release(IChannelAudioVolume *iface)
2840 {
2841     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
2842     return AudioSessionControl_Release(&This->IAudioSessionControl2_iface);
2843 }
2844
2845 static HRESULT WINAPI ChannelAudioVolume_GetChannelCount(
2846         IChannelAudioVolume *iface, UINT32 *out)
2847 {
2848     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
2849     AudioSession *session = This->session;
2850
2851     TRACE("(%p)->(%p)\n", session, out);
2852
2853     if(!out)
2854         return NULL_PTR_ERR;
2855
2856     *out = session->channel_count;
2857
2858     return S_OK;
2859 }
2860
2861 static HRESULT WINAPI ChannelAudioVolume_SetChannelVolume(
2862         IChannelAudioVolume *iface, UINT32 index, float level,
2863         const GUID *context)
2864 {
2865     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
2866     AudioSession *session = This->session;
2867     HRESULT ret;
2868
2869     TRACE("(%p)->(%d, %f, %s)\n", session, index, level,
2870             wine_dbgstr_guid(context));
2871
2872     if(level < 0.f || level > 1.f)
2873         return E_INVALIDARG;
2874
2875     if(index >= session->channel_count)
2876         return E_INVALIDARG;
2877
2878     if(context)
2879         FIXME("Notifications not supported yet\n");
2880
2881     EnterCriticalSection(&session->lock);
2882
2883     session->channel_vols[index] = level;
2884
2885     WARN("AudioQueue doesn't support per-channel volume control\n");
2886     ret = ca_session_setvol(session, index);
2887
2888     LeaveCriticalSection(&session->lock);
2889
2890     return ret;
2891 }
2892
2893 static HRESULT WINAPI ChannelAudioVolume_GetChannelVolume(
2894         IChannelAudioVolume *iface, UINT32 index, float *level)
2895 {
2896     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
2897     AudioSession *session = This->session;
2898
2899     TRACE("(%p)->(%d, %p)\n", session, index, level);
2900
2901     if(!level)
2902         return NULL_PTR_ERR;
2903
2904     if(index >= session->channel_count)
2905         return E_INVALIDARG;
2906
2907     *level = session->channel_vols[index];
2908
2909     return S_OK;
2910 }
2911
2912 static HRESULT WINAPI ChannelAudioVolume_SetAllVolumes(
2913         IChannelAudioVolume *iface, UINT32 count, const float *levels,
2914         const GUID *context)
2915 {
2916     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
2917     AudioSession *session = This->session;
2918     int i;
2919     HRESULT ret;
2920
2921     TRACE("(%p)->(%d, %p, %s)\n", session, count, levels,
2922             wine_dbgstr_guid(context));
2923
2924     if(!levels)
2925         return NULL_PTR_ERR;
2926
2927     if(count != session->channel_count)
2928         return E_INVALIDARG;
2929
2930     if(context)
2931         FIXME("Notifications not supported yet\n");
2932
2933     EnterCriticalSection(&session->lock);
2934
2935     for(i = 0; i < count; ++i)
2936         session->channel_vols[i] = levels[i];
2937
2938     ret = ca_session_setvol(session, -1);
2939
2940     LeaveCriticalSection(&session->lock);
2941
2942     return ret;
2943 }
2944
2945 static HRESULT WINAPI ChannelAudioVolume_GetAllVolumes(
2946         IChannelAudioVolume *iface, UINT32 count, float *levels)
2947 {
2948     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
2949     AudioSession *session = This->session;
2950     int i;
2951
2952     TRACE("(%p)->(%d, %p)\n", session, count, levels);
2953
2954     if(!levels)
2955         return NULL_PTR_ERR;
2956
2957     if(count != session->channel_count)
2958         return E_INVALIDARG;
2959
2960     for(i = 0; i < count; ++i)
2961         levels[i] = session->channel_vols[i];
2962
2963     return S_OK;
2964 }
2965
2966 static const IChannelAudioVolumeVtbl ChannelAudioVolume_Vtbl =
2967 {
2968     ChannelAudioVolume_QueryInterface,
2969     ChannelAudioVolume_AddRef,
2970     ChannelAudioVolume_Release,
2971     ChannelAudioVolume_GetChannelCount,
2972     ChannelAudioVolume_SetChannelVolume,
2973     ChannelAudioVolume_GetChannelVolume,
2974     ChannelAudioVolume_SetAllVolumes,
2975     ChannelAudioVolume_GetAllVolumes
2976 };
2977
2978 static HRESULT WINAPI AudioSessionManager_QueryInterface(IAudioSessionManager2 *iface,
2979         REFIID riid, void **ppv)
2980 {
2981     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2982
2983     if(!ppv)
2984         return E_POINTER;
2985     *ppv = NULL;
2986
2987     if(IsEqualIID(riid, &IID_IUnknown) ||
2988             IsEqualIID(riid, &IID_IAudioSessionManager) ||
2989             IsEqualIID(riid, &IID_IAudioSessionManager2))
2990         *ppv = iface;
2991     if(*ppv){
2992         IUnknown_AddRef((IUnknown*)*ppv);
2993         return S_OK;
2994     }
2995
2996     WARN("Unknown interface %s\n", debugstr_guid(riid));
2997     return E_NOINTERFACE;
2998 }
2999
3000 static ULONG WINAPI AudioSessionManager_AddRef(IAudioSessionManager2 *iface)
3001 {
3002     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
3003     ULONG ref;
3004     ref = InterlockedIncrement(&This->ref);
3005     TRACE("(%p) Refcount now %u\n", This, ref);
3006     return ref;
3007 }
3008
3009 static ULONG WINAPI AudioSessionManager_Release(IAudioSessionManager2 *iface)
3010 {
3011     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
3012     ULONG ref;
3013     ref = InterlockedDecrement(&This->ref);
3014     TRACE("(%p) Refcount now %u\n", This, ref);
3015     if(!ref)
3016         HeapFree(GetProcessHeap(), 0, This);
3017     return ref;
3018 }
3019
3020 static HRESULT WINAPI AudioSessionManager_GetAudioSessionControl(
3021         IAudioSessionManager2 *iface, const GUID *session_guid, DWORD flags,
3022         IAudioSessionControl **out)
3023 {
3024     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
3025     AudioSession *session;
3026     AudioSessionWrapper *wrapper;
3027     HRESULT hr;
3028
3029     TRACE("(%p)->(%s, %x, %p)\n", This, debugstr_guid(session_guid),
3030             flags, out);
3031
3032     hr = get_audio_session(session_guid, This->device, 0, &session);
3033     if(FAILED(hr))
3034         return hr;
3035
3036     wrapper = AudioSessionWrapper_Create(NULL);
3037     if(!wrapper)
3038         return E_OUTOFMEMORY;
3039
3040     wrapper->session = session;
3041
3042     *out = (IAudioSessionControl*)&wrapper->IAudioSessionControl2_iface;
3043
3044     return S_OK;
3045 }
3046
3047 static HRESULT WINAPI AudioSessionManager_GetSimpleAudioVolume(
3048         IAudioSessionManager2 *iface, const GUID *session_guid, DWORD flags,
3049         ISimpleAudioVolume **out)
3050 {
3051     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
3052     AudioSession *session;
3053     AudioSessionWrapper *wrapper;
3054     HRESULT hr;
3055
3056     TRACE("(%p)->(%s, %x, %p)\n", This, debugstr_guid(session_guid),
3057             flags, out);
3058
3059     hr = get_audio_session(session_guid, This->device, 0, &session);
3060     if(FAILED(hr))
3061         return hr;
3062
3063     wrapper = AudioSessionWrapper_Create(NULL);
3064     if(!wrapper)
3065         return E_OUTOFMEMORY;
3066
3067     wrapper->session = session;
3068
3069     *out = &wrapper->ISimpleAudioVolume_iface;
3070
3071     return S_OK;
3072 }
3073
3074 static HRESULT WINAPI AudioSessionManager_GetSessionEnumerator(
3075         IAudioSessionManager2 *iface, IAudioSessionEnumerator **out)
3076 {
3077     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
3078     FIXME("(%p)->(%p) - stub\n", This, out);
3079     return E_NOTIMPL;
3080 }
3081
3082 static HRESULT WINAPI AudioSessionManager_RegisterSessionNotification(
3083         IAudioSessionManager2 *iface, IAudioSessionNotification *notification)
3084 {
3085     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
3086     FIXME("(%p)->(%p) - stub\n", This, notification);
3087     return E_NOTIMPL;
3088 }
3089
3090 static HRESULT WINAPI AudioSessionManager_UnregisterSessionNotification(
3091         IAudioSessionManager2 *iface, IAudioSessionNotification *notification)
3092 {
3093     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
3094     FIXME("(%p)->(%p) - stub\n", This, notification);
3095     return E_NOTIMPL;
3096 }
3097
3098 static HRESULT WINAPI AudioSessionManager_RegisterDuckNotification(
3099         IAudioSessionManager2 *iface, const WCHAR *session_id,
3100         IAudioVolumeDuckNotification *notification)
3101 {
3102     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
3103     FIXME("(%p)->(%p) - stub\n", This, notification);
3104     return E_NOTIMPL;
3105 }
3106
3107 static HRESULT WINAPI AudioSessionManager_UnregisterDuckNotification(
3108         IAudioSessionManager2 *iface,
3109         IAudioVolumeDuckNotification *notification)
3110 {
3111     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
3112     FIXME("(%p)->(%p) - stub\n", This, notification);
3113     return E_NOTIMPL;
3114 }
3115
3116 static const IAudioSessionManager2Vtbl AudioSessionManager2_Vtbl =
3117 {
3118     AudioSessionManager_QueryInterface,
3119     AudioSessionManager_AddRef,
3120     AudioSessionManager_Release,
3121     AudioSessionManager_GetAudioSessionControl,
3122     AudioSessionManager_GetSimpleAudioVolume,
3123     AudioSessionManager_GetSessionEnumerator,
3124     AudioSessionManager_RegisterSessionNotification,
3125     AudioSessionManager_UnregisterSessionNotification,
3126     AudioSessionManager_RegisterDuckNotification,
3127     AudioSessionManager_UnregisterDuckNotification
3128 };
3129
3130 HRESULT WINAPI AUDDRV_GetAudioSessionManager(IMMDevice *device,
3131         IAudioSessionManager2 **out)
3132 {
3133     SessionMgr *This;
3134
3135     This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(SessionMgr));
3136     if(!This)
3137         return E_OUTOFMEMORY;
3138
3139     This->IAudioSessionManager2_iface.lpVtbl = &AudioSessionManager2_Vtbl;
3140     This->device = device;
3141     This->ref = 1;
3142
3143     *out = &This->IAudioSessionManager2_iface;
3144
3145     return S_OK;
3146 }