dlls/wineoss.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 COBJMACROS
  20 #include "config.h"
  21
  22 #include <stdarg.h>
  23 #include <errno.h>
  24 #include <limits.h>
  25 #include <stdio.h>
  26 #include <stdlib.h>
  27 #include <string.h>
  28 #include <sys/types.h>
  29 #include <sys/stat.h>
  30 #include <sys/ioctl.h>
  31 #include <fcntl.h>
  32 #include <unistd.h>
  33 #include <math.h>
  34 #include <sys/soundcard.h>
  35
  36 #include "windef.h"
  37 #include "winbase.h"
  38 #include "winnls.h"
  39 #include "winreg.h"
  40 #include "wine/debug.h"
  41 #include "wine/unicode.h"
  42 #include "wine/list.h"
  43
  44 #include "ole2.h"
  45 #include "mmdeviceapi.h"
  46 #include "devpkey.h"
  47 #include "dshow.h"
  48 #include "dsound.h"
  49
  50 #include "initguid.h"
  51 #include "endpointvolume.h"
  52 #include "audiopolicy.h"
  53 #include "audioclient.h"
  54
  55 WINE_DEFAULT_DEBUG_CHANNEL(oss);
  56
  57 #define NULL_PTR_ERR MAKE_HRESULT(SEVERITY_ERROR, FACILITY_WIN32, RPC_X_NULL_REF_POINTER)
  58
  59 static const REFERENCE_TIME DefaultPeriod = 100000;
  60 static const REFERENCE_TIME MinimumPeriod = 50000;
  61
  62 struct ACImpl;
  63 typedef struct ACImpl ACImpl;
  64
  65 typedef struct _AudioSession {
  66     GUID guid;
  67     struct list clients;
  68
  69     IMMDevice *device;
  70
  71     float master_vol;
  72     UINT32 channel_count;
  73     float *channel_vols;
  74     BOOL mute;
  75
  76     CRITICAL_SECTION lock;
  77
  78     struct list entry;
  79 } AudioSession;
  80
  81 typedef struct _AudioSessionWrapper {
  82     IAudioSessionControl2 IAudioSessionControl2_iface;
  83     IChannelAudioVolume IChannelAudioVolume_iface;
  84     ISimpleAudioVolume ISimpleAudioVolume_iface;
  85
  86     LONG ref;
  87
  88     ACImpl *client;
  89     AudioSession *session;
  90 } AudioSessionWrapper;
  91
  92 struct ACImpl {
  93     IAudioClient IAudioClient_iface;
  94     IAudioRenderClient IAudioRenderClient_iface;
  95     IAudioCaptureClient IAudioCaptureClient_iface;
  96     IAudioClock IAudioClock_iface;
  97     IAudioClock2 IAudioClock2_iface;
  98     IAudioStreamVolume IAudioStreamVolume_iface;
  99
 100     LONG ref;
 101
 102     IMMDevice *parent;
 103     IUnknown *pUnkFTMarshal;
 104
 105     WAVEFORMATEX *fmt;
 106
 107     EDataFlow dataflow;
 108     DWORD flags;
 109     AUDCLNT_SHAREMODE share;
 110     HANDLE event;
 111     float *vols;
 112
 113     int fd;
 114     oss_audioinfo ai;
 115     char devnode[OSS_DEVNODE_SIZE];
 116
 117     BOOL initted, playing;
 118     UINT64 written_frames, last_pos_frames;
 119     UINT32 period_us, period_frames, bufsize_frames, held_frames, tmp_buffer_frames, in_oss_frames;
 120     UINT32 oss_bufsize_bytes, lcl_offs_frames; /* offs into local_buffer where valid data starts */
 121
 122     BYTE *local_buffer, *tmp_buffer;
 123     LONG32 getbuf_last; /* <0 when using tmp_buffer */
 124     HANDLE timer;
 125
 126     CRITICAL_SECTION lock;
 127
 128     AudioSession *session;
 129     AudioSessionWrapper *session_wrapper;
 130
 131     struct list entry;
 132 };
 133
 134 typedef struct _SessionMgr {
 135     IAudioSessionManager2 IAudioSessionManager2_iface;
 136
 137     LONG ref;
 138
 139     IMMDevice *device;
 140 } SessionMgr;
 141
 142 typedef struct _OSSDevice {
 143     EDataFlow flow;
 144     char devnode[OSS_DEVNODE_SIZE];
 145     GUID guid;
 146
 147     struct list entry;
 148 } OSSDevice;
 149
 150 static struct list g_devices = LIST_INIT(g_devices);
 151
 152 static const WCHAR drv_key_devicesW[] = {'S','o','f','t','w','a','r','e','\\',
 153     'W','i','n','e','\\','D','r','i','v','e','r','s','\\',
 154     'w','i','n','e','o','s','s','.','d','r','v','\\','d','e','v','i','c','e','s',0};
 155 static const WCHAR guidW[] = {'g','u','i','d',0};
 156
 157 static HANDLE g_timer_q;
 158
 159 static CRITICAL_SECTION g_sessions_lock;
 160 static CRITICAL_SECTION_DEBUG g_sessions_lock_debug =
 161 {
 162     0, 0, &g_sessions_lock,
 163     { &g_sessions_lock_debug.ProcessLocksList, &g_sessions_lock_debug.ProcessLocksList },
 164       0, 0, { (DWORD_PTR)(__FILE__ ": g_sessions_lock") }
 165 };
 166 static CRITICAL_SECTION g_sessions_lock = { &g_sessions_lock_debug, -1, 0, 0, 0, 0 };
 167 static struct list g_sessions = LIST_INIT(g_sessions);
 168
 169 static AudioSessionWrapper *AudioSessionWrapper_Create(ACImpl *client);
 170
 171 static const IAudioClientVtbl AudioClient_Vtbl;
 172 static const IAudioRenderClientVtbl AudioRenderClient_Vtbl;
 173 static const IAudioCaptureClientVtbl AudioCaptureClient_Vtbl;
 174 static const IAudioSessionControl2Vtbl AudioSessionControl2_Vtbl;
 175 static const ISimpleAudioVolumeVtbl SimpleAudioVolume_Vtbl;
 176 static const IAudioClockVtbl AudioClock_Vtbl;
 177 static const IAudioClock2Vtbl AudioClock2_Vtbl;
 178 static const IAudioStreamVolumeVtbl AudioStreamVolume_Vtbl;
 179 static const IChannelAudioVolumeVtbl ChannelAudioVolume_Vtbl;
 180 static const IAudioSessionManager2Vtbl AudioSessionManager2_Vtbl;
 181
 182 static inline ACImpl *impl_from_IAudioClient(IAudioClient *iface)
 183 {
 184     return CONTAINING_RECORD(iface, ACImpl, IAudioClient_iface);
 185 }
 186
 187 static inline ACImpl *impl_from_IAudioRenderClient(IAudioRenderClient *iface)
 188 {
 189     return CONTAINING_RECORD(iface, ACImpl, IAudioRenderClient_iface);
 190 }
 191
 192 static inline ACImpl *impl_from_IAudioCaptureClient(IAudioCaptureClient *iface)
 193 {
 194     return CONTAINING_RECORD(iface, ACImpl, IAudioCaptureClient_iface);
 195 }
 196
 197 static inline AudioSessionWrapper *impl_from_IAudioSessionControl2(IAudioSessionControl2 *iface)
 198 {
 199     return CONTAINING_RECORD(iface, AudioSessionWrapper, IAudioSessionControl2_iface);
 200 }
 201
 202 static inline AudioSessionWrapper *impl_from_ISimpleAudioVolume(ISimpleAudioVolume *iface)
 203 {
 204     return CONTAINING_RECORD(iface, AudioSessionWrapper, ISimpleAudioVolume_iface);
 205 }
 206
 207 static inline AudioSessionWrapper *impl_from_IChannelAudioVolume(IChannelAudioVolume *iface)
 208 {
 209     return CONTAINING_RECORD(iface, AudioSessionWrapper, IChannelAudioVolume_iface);
 210 }
 211
 212 static inline ACImpl *impl_from_IAudioClock(IAudioClock *iface)
 213 {
 214     return CONTAINING_RECORD(iface, ACImpl, IAudioClock_iface);
 215 }
 216
 217 static inline ACImpl *impl_from_IAudioClock2(IAudioClock2 *iface)
 218 {
 219     return CONTAINING_RECORD(iface, ACImpl, IAudioClock2_iface);
 220 }
 221
 222 static inline ACImpl *impl_from_IAudioStreamVolume(IAudioStreamVolume *iface)
 223 {
 224     return CONTAINING_RECORD(iface, ACImpl, IAudioStreamVolume_iface);
 225 }
 226
 227 static inline SessionMgr *impl_from_IAudioSessionManager2(IAudioSessionManager2 *iface)
 228 {
 229     return CONTAINING_RECORD(iface, SessionMgr, IAudioSessionManager2_iface);
 230 }
 231
 232 BOOL WINAPI DllMain(HINSTANCE dll, DWORD reason, void *reserved)
 233 {
 234     switch (reason)
 235     {
 236     case DLL_PROCESS_ATTACH:
 237         g_timer_q = CreateTimerQueue();
 238         if(!g_timer_q)
 239             return FALSE;
 240         break;
 241
 242     case DLL_PROCESS_DETACH:
 243         if (!reserved)
 244         {
 245             OSSDevice *iter, *iter2;
 246
 247             DeleteCriticalSection(&g_sessions_lock);
 248
 249             LIST_FOR_EACH_ENTRY_SAFE(iter, iter2, &g_devices, OSSDevice, entry){
 250                 HeapFree(GetProcessHeap(), 0, iter);
 251             }
 252         }
 253         break;
 254     }
 255     return TRUE;
 256 }
 257
 258 /* From <dlls/mmdevapi/mmdevapi.h> */
 259 enum DriverPriority {
 260     Priority_Unavailable = 0,
 261     Priority_Low,
 262     Priority_Neutral,
 263     Priority_Preferred
 264 };
 265
 266 int WINAPI AUDDRV_GetPriority(void)
 267 {
 268     int mixer_fd;
 269     oss_sysinfo sysinfo;
 270
 271     /* Attempt to determine if we are running on OSS or ALSA's OSS
 272      * compatibility layer. There is no official way to do that, so just check
 273      * for validity as best as possible, without rejecting valid OSS
 274      * implementations. */
 275
 276     mixer_fd = open("/dev/mixer", O_RDONLY, 0);
 277     if(mixer_fd < 0){
 278         TRACE("Priority_Unavailable: open failed\n");
 279         return Priority_Unavailable;
 280     }
 281
 282     sysinfo.version[0] = 0xFF;
 283     sysinfo.versionnum = ~0;
 284     if(ioctl(mixer_fd, SNDCTL_SYSINFO, &sysinfo) < 0){
 285         TRACE("Priority_Unavailable: ioctl failed\n");
 286         close(mixer_fd);
 287         return Priority_Unavailable;
 288     }
 289
 290     close(mixer_fd);
 291
 292     if(sysinfo.version[0] < '4' || sysinfo.version[0] > '9'){
 293         TRACE("Priority_Low: sysinfo.version[0]: %x\n", sysinfo.version[0]);
 294         return Priority_Low;
 295     }
 296     if(sysinfo.versionnum & 0x80000000){
 297         TRACE("Priority_Low: sysinfo.versionnum: %x\n", sysinfo.versionnum);
 298         return Priority_Low;
 299     }
 300
 301     TRACE("Priority_Preferred: Seems like valid OSS!\n");
 302
 303     return Priority_Preferred;
 304 }
 305
 306 static void set_device_guid(EDataFlow flow, HKEY drv_key, const WCHAR *key_name,
 307         GUID *guid)
 308 {
 309     HKEY key;
 310     BOOL opened = FALSE;
 311     LONG lr;
 312
 313     if(!drv_key){
 314         lr = RegCreateKeyExW(HKEY_CURRENT_USER, drv_key_devicesW, 0, NULL, 0, KEY_WRITE,
 315                     NULL, &drv_key, NULL);
 316         if(lr != ERROR_SUCCESS){
 317             ERR("RegCreateKeyEx(drv_key) failed: %u\n", lr);
 318             return;
 319         }
 320         opened = TRUE;
 321     }
 322
 323     lr = RegCreateKeyExW(drv_key, key_name, 0, NULL, 0, KEY_WRITE,
 324                 NULL, &key, NULL);
 325     if(lr != ERROR_SUCCESS){
 326         ERR("RegCreateKeyEx(%s) failed: %u\n", wine_dbgstr_w(key_name), lr);
 327         goto exit;
 328     }
 329
 330     lr = RegSetValueExW(key, guidW, 0, REG_BINARY, (BYTE*)guid,
 331                 sizeof(GUID));
 332     if(lr != ERROR_SUCCESS)
 333         ERR("RegSetValueEx(%s\\guid) failed: %u\n", wine_dbgstr_w(key_name), lr);
 334
 335     RegCloseKey(key);
 336 exit:
 337     if(opened)
 338         RegCloseKey(drv_key);
 339 }
 340
 341 static void get_device_guid(EDataFlow flow, const char *device, GUID *guid)
 342 {
 343     HKEY key = NULL, dev_key;
 344     DWORD type, size = sizeof(*guid);
 345     WCHAR key_name[256];
 346
 347     if(flow == eCapture)
 348         key_name[0] = '1';
 349     else
 350         key_name[0] = '0';
 351     key_name[1] = ',';
 352     MultiByteToWideChar(CP_UNIXCP, 0, device, -1, key_name + 2,
 353             (sizeof(key_name) / sizeof(*key_name)) - 2);
 354
 355     if(RegOpenKeyExW(HKEY_CURRENT_USER, drv_key_devicesW, 0, KEY_WRITE|KEY_READ, &key) == ERROR_SUCCESS){
 356         if(RegOpenKeyExW(key, key_name, 0, KEY_READ, &dev_key) == ERROR_SUCCESS){
 357             if(RegQueryValueExW(dev_key, guidW, 0, &type,
 358                         (BYTE*)guid, &size) == ERROR_SUCCESS){
 359                 if(type == REG_BINARY){
 360                     RegCloseKey(dev_key);
 361                     RegCloseKey(key);
 362                     return;
 363                 }
 364                 ERR("Invalid type for device %s GUID: %u; ignoring and overwriting\n",
 365                         wine_dbgstr_w(key_name), type);
 366             }
 367             RegCloseKey(dev_key);
 368         }
 369     }
 370
 371     CoCreateGuid(guid);
 372
 373     set_device_guid(flow, key, key_name, guid);
 374
 375     if(key)
 376         RegCloseKey(key);
 377 }
 378
 379 static const char *oss_clean_devnode(const char *devnode)
 380 {
 381     static char ret[OSS_DEVNODE_SIZE];
 382
 383     const char *dot, *slash;
 384     size_t len;
 385
 386     dot = strrchr(devnode, '.');
 387     if(!dot)
 388         return devnode;
 389
 390     slash = strrchr(devnode, '/');
 391     if(slash && dot < slash)
 392         return devnode;
 393
 394     len = dot - devnode;
 395
 396     memcpy(ret, devnode, len);
 397     ret[len] = '\0';
 398
 399     return ret;
 400 }
 401
 402 static UINT get_default_index(EDataFlow flow)
 403 {
 404     int fd = -1, err;
 405     UINT i;
 406     oss_audioinfo ai;
 407     const char *devnode;
 408     OSSDevice *dev_item;
 409
 410     if(flow == eRender)
 411         fd = open("/dev/dsp", O_WRONLY | O_NONBLOCK);
 412     else
 413         fd = open("/dev/dsp", O_RDONLY | O_NONBLOCK);
 414
 415     if(fd < 0){
 416         WARN("Couldn't open default device!\n");
 417         return 0;
 418     }
 419
 420     ai.dev = -1;
 421     if((err = ioctl(fd, SNDCTL_ENGINEINFO, &ai)) < 0){
 422         WARN("SNDCTL_ENGINEINFO failed: %d (%s)\n", err, strerror(errno));
 423         close(fd);
 424         return 0;
 425     }
 426
 427     close(fd);
 428
 429     TRACE("Default devnode: %s\n", ai.devnode);
 430     devnode = oss_clean_devnode(ai.devnode);
 431     i = 0;
 432     LIST_FOR_EACH_ENTRY(dev_item, &g_devices, OSSDevice, entry){
 433         if(dev_item->flow == flow){
 434             if(!strcmp(devnode, dev_item->devnode))
 435                 return i;
 436             ++i;
 437         }
 438     }
 439
 440     WARN("Couldn't find default device! Choosing first.\n");
 441     return 0;
 442 }
 443
 444 HRESULT WINAPI AUDDRV_GetEndpointIDs(EDataFlow flow, WCHAR ***ids, GUID **guids,
 445         UINT *num, UINT *def_index)
 446 {
 447     int i, mixer_fd;
 448     oss_sysinfo sysinfo;
 449     static int print_once = 0;
 450
 451     static const WCHAR outW[] = {'O','u','t',':',' ',0};
 452     static const WCHAR inW[] = {'I','n',':',' ',0};
 453
 454     TRACE("%d %p %p %p %p\n", flow, ids, guids, num, def_index);
 455
 456     mixer_fd = open("/dev/mixer", O_RDONLY, 0);
 457     if(mixer_fd < 0){
 458         ERR("OSS /dev/mixer doesn't seem to exist\n");
 459         return AUDCLNT_E_SERVICE_NOT_RUNNING;
 460     }
 461
 462     if(ioctl(mixer_fd, SNDCTL_SYSINFO, &sysinfo) < 0){
 463         close(mixer_fd);
 464
 465         if(errno == EINVAL){
 466             ERR("OSS version too old, need at least OSSv4\n");
 467             return AUDCLNT_E_SERVICE_NOT_RUNNING;
 468         }
 469
 470         ERR("Error getting SNDCTL_SYSINFO: %d (%s)\n", errno, strerror(errno));
 471         return E_FAIL;
 472     }
 473
 474     if(!print_once){
 475         TRACE("OSS sysinfo:\n");
 476         TRACE("product: %s\n", sysinfo.product);
 477         TRACE("version: %s\n", sysinfo.version);
 478         TRACE("versionnum: %x\n", sysinfo.versionnum);
 479         TRACE("numaudios: %d\n", sysinfo.numaudios);
 480         TRACE("nummixers: %d\n", sysinfo.nummixers);
 481         TRACE("numcards: %d\n", sysinfo.numcards);
 482         TRACE("numaudioengines: %d\n", sysinfo.numaudioengines);
 483         print_once = 1;
 484     }
 485
 486     if(sysinfo.numaudios <= 0){
 487         WARN("No audio devices!\n");
 488         close(mixer_fd);
 489         return AUDCLNT_E_SERVICE_NOT_RUNNING;
 490     }
 491
 492     *ids = HeapAlloc(GetProcessHeap(), 0, sysinfo.numaudios * sizeof(WCHAR *));
 493     *guids = HeapAlloc(GetProcessHeap(), 0, sysinfo.numaudios * sizeof(GUID));
 494
 495     *num = 0;
 496     for(i = 0; i < sysinfo.numaudios; ++i){
 497         oss_audioinfo ai = {0};
 498         const char *devnode;
 499         OSSDevice *dev_item;
 500         int fd;
 501
 502         ai.dev = i;
 503         if(ioctl(mixer_fd, SNDCTL_AUDIOINFO, &ai) < 0){
 504             WARN("Error getting AUDIOINFO for dev %d: %d (%s)\n", i, errno,
 505                     strerror(errno));
 506             continue;
 507         }
 508
 509         devnode = oss_clean_devnode(ai.devnode);
 510
 511         /* check for duplicates */
 512         LIST_FOR_EACH_ENTRY(dev_item, &g_devices, OSSDevice, entry){
 513             if(dev_item->flow == flow && !strcmp(devnode, dev_item->devnode))
 514                 break;
 515         }
 516         if(&dev_item->entry != &g_devices)
 517             continue;
 518
 519         if(flow == eRender)
 520             fd = open(devnode, O_WRONLY | O_NONBLOCK, 0);
 521         else
 522             fd = open(devnode, O_RDONLY | O_NONBLOCK, 0);
 523         if(fd < 0){
 524             WARN("Opening device \"%s\" failed, pretending it doesn't exist: %d (%s)\n",
 525                     devnode, errno, strerror(errno));
 526             continue;
 527         }
 528         close(fd);
 529
 530         if((flow == eCapture && (ai.caps & PCM_CAP_INPUT)) ||
 531                 (flow == eRender && (ai.caps & PCM_CAP_OUTPUT))){
 532             size_t len, prefix_len;
 533             const WCHAR *prefix;
 534
 535             dev_item = HeapAlloc(GetProcessHeap(), 0, sizeof(*dev_item));
 536
 537             dev_item->flow = flow;
 538             get_device_guid(flow, devnode, &dev_item->guid);
 539             strcpy(dev_item->devnode, devnode);
 540
 541             (*guids)[*num] = dev_item->guid;
 542
 543             len = MultiByteToWideChar(CP_UNIXCP, 0, ai.name, -1, NULL, 0);
 544             if(flow == eRender){
 545                 prefix = outW;
 546                 prefix_len = (sizeof(outW) / sizeof(*outW)) - 1;
 547                 len += prefix_len;
 548             }else{
 549                 prefix = inW;
 550                 prefix_len = (sizeof(inW) / sizeof(*inW)) - 1;
 551                 len += prefix_len;
 552             }
 553             (*ids)[*num] = HeapAlloc(GetProcessHeap(), 0,
 554                     len * sizeof(WCHAR));
 555             if(!(*ids)[*num]){
 556                 for(i = 0; i < *num; ++i)
 557                     HeapFree(GetProcessHeap(), 0, (*ids)[i]);
 558                 HeapFree(GetProcessHeap(), 0, *ids);
 559                 HeapFree(GetProcessHeap(), 0, *guids);
 560                 HeapFree(GetProcessHeap(), 0, dev_item);
 561                 close(mixer_fd);
 562                 return E_OUTOFMEMORY;
 563             }
 564             memcpy((*ids)[*num], prefix, prefix_len * sizeof(WCHAR));
 565             MultiByteToWideChar(CP_UNIXCP, 0, ai.name, -1,
 566                     (*ids)[*num] + prefix_len, len - prefix_len);
 567
 568             list_add_tail(&g_devices, &dev_item->entry);
 569
 570             (*num)++;
 571         }
 572     }
 573
 574     close(mixer_fd);
 575
 576     *def_index = get_default_index(flow);
 577
 578     return S_OK;
 579 }
 580
 581 static const OSSDevice *get_ossdevice_from_guid(const GUID *guid)
 582 {
 583     OSSDevice *dev_item;
 584     LIST_FOR_EACH_ENTRY(dev_item, &g_devices, OSSDevice, entry)
 585         if(IsEqualGUID(guid, &dev_item->guid))
 586             return dev_item;
 587     return NULL;
 588 }
 589
 590 HRESULT WINAPI AUDDRV_GetAudioEndpoint(GUID *guid, IMMDevice *dev,
 591         IAudioClient **out)
 592 {
 593     ACImpl *This;
 594     const OSSDevice *oss_dev;
 595     HRESULT hr;
 596
 597     TRACE("%s %p %p\n", debugstr_guid(guid), dev, out);
 598
 599     oss_dev = get_ossdevice_from_guid(guid);
 600     if(!oss_dev){
 601         WARN("Unknown GUID: %s\n", debugstr_guid(guid));
 602         return AUDCLNT_E_DEVICE_INVALIDATED;
 603     }
 604
 605     This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(ACImpl));
 606     if(!This)
 607         return E_OUTOFMEMORY;
 608
 609     hr = CoCreateFreeThreadedMarshaler((IUnknown *)&This->IAudioClient_iface,
 610         (IUnknown **)&This->pUnkFTMarshal);
 611     if (FAILED(hr)) {
 612          HeapFree(GetProcessHeap(), 0, This);
 613          return hr;
 614     }
 615
 616     if(oss_dev->flow == eRender)
 617         This->fd = open(oss_dev->devnode, O_WRONLY | O_NONBLOCK, 0);
 618     else if(oss_dev->flow == eCapture)
 619         This->fd = open(oss_dev->devnode, O_RDONLY | O_NONBLOCK, 0);
 620     else{
 621         HeapFree(GetProcessHeap(), 0, This);
 622         return E_INVALIDARG;
 623     }
 624     if(This->fd < 0){
 625         WARN("Unable to open device %s: %d (%s)\n", oss_dev->devnode, errno,
 626                 strerror(errno));
 627         HeapFree(GetProcessHeap(), 0, This);
 628         return AUDCLNT_E_DEVICE_INVALIDATED;
 629     }
 630
 631     This->dataflow = oss_dev->flow;
 632
 633     This->ai.dev = -1;
 634     if(ioctl(This->fd, SNDCTL_ENGINEINFO, &This->ai) < 0){
 635         WARN("Unable to get audio info for device %s: %d (%s)\n", oss_dev->devnode,
 636                 errno, strerror(errno));
 637         close(This->fd);
 638         HeapFree(GetProcessHeap(), 0, This);
 639         return E_FAIL;
 640     }
 641
 642     strcpy(This->devnode, oss_dev->devnode);
 643
 644     TRACE("OSS audioinfo:\n");
 645     TRACE("devnode: %s\n", This->ai.devnode);
 646     TRACE("name: %s\n", This->ai.name);
 647     TRACE("busy: %x\n", This->ai.busy);
 648     TRACE("caps: %x\n", This->ai.caps);
 649     TRACE("iformats: %x\n", This->ai.iformats);
 650     TRACE("oformats: %x\n", This->ai.oformats);
 651     TRACE("enabled: %d\n", This->ai.enabled);
 652     TRACE("min_rate: %d\n", This->ai.min_rate);
 653     TRACE("max_rate: %d\n", This->ai.max_rate);
 654     TRACE("min_channels: %d\n", This->ai.min_channels);
 655     TRACE("max_channels: %d\n", This->ai.max_channels);
 656
 657     This->IAudioClient_iface.lpVtbl = &AudioClient_Vtbl;
 658     This->IAudioRenderClient_iface.lpVtbl = &AudioRenderClient_Vtbl;
 659     This->IAudioCaptureClient_iface.lpVtbl = &AudioCaptureClient_Vtbl;
 660     This->IAudioClock_iface.lpVtbl = &AudioClock_Vtbl;
 661     This->IAudioClock2_iface.lpVtbl = &AudioClock2_Vtbl;
 662     This->IAudioStreamVolume_iface.lpVtbl = &AudioStreamVolume_Vtbl;
 663
 664     InitializeCriticalSection(&This->lock);
 665     This->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": ACImpl.lock");
 666
 667     This->parent = dev;
 668     IMMDevice_AddRef(This->parent);
 669
 670     IAudioClient_AddRef(&This->IAudioClient_iface);
 671
 672     *out = &This->IAudioClient_iface;
 673
 674     return S_OK;
 675 }
 676
 677 static HRESULT WINAPI AudioClient_QueryInterface(IAudioClient *iface,
 678         REFIID riid, void **ppv)
 679 {
 680     ACImpl *This = impl_from_IAudioClient(iface);
 681     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
 682
 683     if(!ppv)
 684         return E_POINTER;
 685     *ppv = NULL;
 686     if(IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IAudioClient))
 687         *ppv = iface;
 688     else if(IsEqualIID(riid, &IID_IMarshal))
 689         return IUnknown_QueryInterface(This->pUnkFTMarshal, riid, ppv);
 690     if(*ppv){
 691         IUnknown_AddRef((IUnknown*)*ppv);
 692         return S_OK;
 693     }
 694     WARN("Unknown interface %s\n", debugstr_guid(riid));
 695     return E_NOINTERFACE;
 696 }
 697
 698 static ULONG WINAPI AudioClient_AddRef(IAudioClient *iface)
 699 {
 700     ACImpl *This = impl_from_IAudioClient(iface);
 701     ULONG ref;
 702     ref = InterlockedIncrement(&This->ref);
 703     TRACE("(%p) Refcount now %u\n", This, ref);
 704     return ref;
 705 }
 706
 707 static ULONG WINAPI AudioClient_Release(IAudioClient *iface)
 708 {
 709     ACImpl *This = impl_from_IAudioClient(iface);
 710     ULONG ref;
 711
 712     ref = InterlockedDecrement(&This->ref);
 713     TRACE("(%p) Refcount now %u\n", This, ref);
 714     if(!ref){
 715         if(This->timer){
 716             HANDLE event;
 717             DWORD wait;
 718             event = CreateEventW(NULL, TRUE, FALSE, NULL);
 719             wait = !DeleteTimerQueueTimer(g_timer_q, This->timer, event);
 720             wait = wait && GetLastError() == ERROR_IO_PENDING;
 721             if(event && wait)
 722                 WaitForSingleObject(event, INFINITE);
 723             CloseHandle(event);
 724         }
 725
 726         IAudioClient_Stop(iface);
 727         IMMDevice_Release(This->parent);
 728         IUnknown_Release(This->pUnkFTMarshal);
 729         This->lock.DebugInfo->Spare[0] = 0;
 730         DeleteCriticalSection(&This->lock);
 731         close(This->fd);
 732         if(This->initted){
 733             EnterCriticalSection(&g_sessions_lock);
 734             list_remove(&This->entry);
 735             LeaveCriticalSection(&g_sessions_lock);
 736         }
 737         HeapFree(GetProcessHeap(), 0, This->vols);
 738         HeapFree(GetProcessHeap(), 0, This->local_buffer);
 739         HeapFree(GetProcessHeap(), 0, This->tmp_buffer);
 740         CoTaskMemFree(This->fmt);
 741         HeapFree(GetProcessHeap(), 0, This);
 742     }
 743     return ref;
 744 }
 745
 746 static void dump_fmt(const WAVEFORMATEX *fmt)
 747 {
 748     TRACE("wFormatTag: 0x%x (", fmt->wFormatTag);
 749     switch(fmt->wFormatTag){
 750     case WAVE_FORMAT_PCM:
 751         TRACE("WAVE_FORMAT_PCM");
 752         break;
 753     case WAVE_FORMAT_IEEE_FLOAT:
 754         TRACE("WAVE_FORMAT_IEEE_FLOAT");
 755         break;
 756     case WAVE_FORMAT_EXTENSIBLE:
 757         TRACE("WAVE_FORMAT_EXTENSIBLE");
 758         break;
 759     default:
 760         TRACE("Unknown");
 761         break;
 762     }
 763     TRACE(")\n");
 764
 765     TRACE("nChannels: %u\n", fmt->nChannels);
 766     TRACE("nSamplesPerSec: %u\n", fmt->nSamplesPerSec);
 767     TRACE("nAvgBytesPerSec: %u\n", fmt->nAvgBytesPerSec);
 768     TRACE("nBlockAlign: %u\n", fmt->nBlockAlign);
 769     TRACE("wBitsPerSample: %u\n", fmt->wBitsPerSample);
 770     TRACE("cbSize: %u\n", fmt->cbSize);
 771
 772     if(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE){
 773         WAVEFORMATEXTENSIBLE *fmtex = (void*)fmt;
 774         TRACE("dwChannelMask: %08x\n", fmtex->dwChannelMask);
 775         TRACE("Samples: %04x\n", fmtex->Samples.wReserved);
 776         TRACE("SubFormat: %s\n", wine_dbgstr_guid(&fmtex->SubFormat));
 777     }
 778 }
 779
 780 static DWORD get_channel_mask(unsigned int channels)
 781 {
 782     switch(channels){
 783     case 0:
 784         return 0;
 785     case 1:
 786         return KSAUDIO_SPEAKER_MONO;
 787     case 2:
 788         return KSAUDIO_SPEAKER_STEREO;
 789     case 3:
 790         return KSAUDIO_SPEAKER_STEREO | SPEAKER_LOW_FREQUENCY;
 791     case 4:
 792         return KSAUDIO_SPEAKER_QUAD;    /* not _SURROUND */
 793     case 5:
 794         return KSAUDIO_SPEAKER_QUAD | SPEAKER_LOW_FREQUENCY;
 795     case 6:
 796         return KSAUDIO_SPEAKER_5POINT1; /* not 5POINT1_SURROUND */
 797     case 7:
 798         return KSAUDIO_SPEAKER_5POINT1 | SPEAKER_BACK_CENTER;
 799     case 8:
 800         return KSAUDIO_SPEAKER_7POINT1_SURROUND; /* Vista deprecates 7POINT1 */
 801     }
 802     FIXME("Unknown speaker configuration: %u\n", channels);
 803     return 0;
 804 }
 805
 806 static int get_oss_format(const WAVEFORMATEX *fmt)
 807 {
 808     WAVEFORMATEXTENSIBLE *fmtex = (WAVEFORMATEXTENSIBLE*)fmt;
 809
 810     if(fmt->wFormatTag == WAVE_FORMAT_PCM ||
 811             (fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
 812              IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))){
 813         switch(fmt->wBitsPerSample){
 814         case 8:
 815             return AFMT_U8;
 816         case 16:
 817             return AFMT_S16_LE;
 818         case 24:
 819             return AFMT_S24_LE;
 820         case 32:
 821             return AFMT_S32_LE;
 822         }
 823         return -1;
 824     }
 825
 826 #ifdef AFMT_FLOAT
 827     if(fmt->wFormatTag == WAVE_FORMAT_IEEE_FLOAT ||
 828             (fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
 829              IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT))){
 830         if(fmt->wBitsPerSample != 32)
 831             return -1;
 832
 833         return AFMT_FLOAT;
 834     }
 835 #endif
 836
 837     return -1;
 838 }
 839
 840 static WAVEFORMATEX *clone_format(const WAVEFORMATEX *fmt)
 841 {
 842     WAVEFORMATEX *ret;
 843     size_t size;
 844
 845     if(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
 846         size = sizeof(WAVEFORMATEXTENSIBLE);
 847     else
 848         size = sizeof(WAVEFORMATEX);
 849
 850     ret = CoTaskMemAlloc(size);
 851     if(!ret)
 852         return NULL;
 853
 854     memcpy(ret, fmt, size);
 855
 856     ret->cbSize = size - sizeof(WAVEFORMATEX);
 857
 858     return ret;
 859 }
 860
 861 static HRESULT setup_oss_device(AUDCLNT_SHAREMODE mode, int fd,
 862         const WAVEFORMATEX *fmt, WAVEFORMATEX **out)
 863 {
 864     int tmp, oss_format;
 865     double tenth;
 866     HRESULT ret = S_OK;
 867     WAVEFORMATEX *closest = NULL;
 868
 869     tmp = oss_format = get_oss_format(fmt);
 870     if(oss_format < 0)
 871         return AUDCLNT_E_UNSUPPORTED_FORMAT;
 872     if(ioctl(fd, SNDCTL_DSP_SETFMT, &tmp) < 0){
 873         WARN("SETFMT failed: %d (%s)\n", errno, strerror(errno));
 874         return E_FAIL;
 875     }
 876     if(tmp != oss_format){
 877         TRACE("Format unsupported by this OSS version: %x\n", oss_format);
 878         return AUDCLNT_E_UNSUPPORTED_FORMAT;
 879     }
 880
 881     if(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
 882             (fmt->nAvgBytesPerSec == 0 ||
 883              fmt->nBlockAlign == 0 ||
 884              ((WAVEFORMATEXTENSIBLE*)fmt)->Samples.wValidBitsPerSample > fmt->wBitsPerSample))
 885         return E_INVALIDARG;
 886
 887     if(fmt->nChannels == 0)
 888         return AUDCLNT_E_UNSUPPORTED_FORMAT;
 889
 890     closest = clone_format(fmt);
 891     if(!closest)
 892         return E_OUTOFMEMORY;
 893
 894     tmp = fmt->nSamplesPerSec;
 895     if(ioctl(fd, SNDCTL_DSP_SPEED, &tmp) < 0){
 896         WARN("SPEED failed: %d (%s)\n", errno, strerror(errno));
 897         CoTaskMemFree(closest);
 898         return E_FAIL;
 899     }
 900     tenth = fmt->nSamplesPerSec * 0.1;
 901     if(tmp > fmt->nSamplesPerSec + tenth || tmp < fmt->nSamplesPerSec - tenth){
 902         ret = S_FALSE;
 903         closest->nSamplesPerSec = tmp;
 904     }
 905
 906     tmp = fmt->nChannels;
 907     if(ioctl(fd, SNDCTL_DSP_CHANNELS, &tmp) < 0){
 908         WARN("CHANNELS failed: %d (%s)\n", errno, strerror(errno));
 909         CoTaskMemFree(closest);
 910         return E_FAIL;
 911     }
 912     if(tmp != fmt->nChannels){
 913         ret = S_FALSE;
 914         closest->nChannels = tmp;
 915     }
 916
 917     if(closest->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
 918         ((WAVEFORMATEXTENSIBLE*)closest)->dwChannelMask = get_channel_mask(closest->nChannels);
 919
 920     if(fmt->nBlockAlign != fmt->nChannels * fmt->wBitsPerSample / 8 ||
 921             fmt->nAvgBytesPerSec != fmt->nBlockAlign * fmt->nSamplesPerSec ||
 922             (fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
 923              ((WAVEFORMATEXTENSIBLE*)fmt)->Samples.wValidBitsPerSample < fmt->wBitsPerSample))
 924         ret = S_FALSE;
 925
 926     if(mode == AUDCLNT_SHAREMODE_EXCLUSIVE &&
 927             fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE){
 928         if(((WAVEFORMATEXTENSIBLE*)fmt)->dwChannelMask == 0 ||
 929                 ((WAVEFORMATEXTENSIBLE*)fmt)->dwChannelMask & SPEAKER_RESERVED)
 930             ret = S_FALSE;
 931     }
 932
 933     if(ret == S_FALSE && !out)
 934         ret = AUDCLNT_E_UNSUPPORTED_FORMAT;
 935
 936     if(ret == S_FALSE && out){
 937         closest->nBlockAlign =
 938             closest->nChannels * closest->wBitsPerSample / 8;
 939         closest->nAvgBytesPerSec =
 940             closest->nBlockAlign * closest->nSamplesPerSec;
 941         if(closest->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
 942             ((WAVEFORMATEXTENSIBLE*)closest)->Samples.wValidBitsPerSample = closest->wBitsPerSample;
 943         *out = closest;
 944     } else
 945         CoTaskMemFree(closest);
 946
 947     TRACE("returning: %08x\n", ret);
 948     return ret;
 949 }
 950
 951 static void session_init_vols(AudioSession *session, UINT channels)
 952 {
 953     if(session->channel_count < channels){
 954         UINT i;
 955
 956         if(session->channel_vols)
 957             session->channel_vols = HeapReAlloc(GetProcessHeap(), 0,
 958                     session->channel_vols, sizeof(float) * channels);
 959         else
 960             session->channel_vols = HeapAlloc(GetProcessHeap(), 0,
 961                     sizeof(float) * channels);
 962         if(!session->channel_vols)
 963             return;
 964
 965         for(i = session->channel_count; i < channels; ++i)
 966             session->channel_vols[i] = 1.f;
 967
 968         session->channel_count = channels;
 969     }
 970 }
 971
 972 static AudioSession *create_session(const GUID *guid, IMMDevice *device,
 973         UINT num_channels)
 974 {
 975     AudioSession *ret;
 976
 977     ret = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(AudioSession));
 978     if(!ret)
 979         return NULL;
 980
 981     memcpy(&ret->guid, guid, sizeof(GUID));
 982
 983     ret->device = device;
 984
 985     list_init(&ret->clients);
 986
 987     list_add_head(&g_sessions, &ret->entry);
 988
 989     InitializeCriticalSection(&ret->lock);
 990     ret->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": AudioSession.lock");
 991
 992     session_init_vols(ret, num_channels);
 993
 994     ret->master_vol = 1.f;
 995
 996     return ret;
 997 }
 998
 999 /* if channels == 0, then this will return or create a session with
1000  * matching dataflow and GUID. otherwise, channels must also match */
1001 static HRESULT get_audio_session(const GUID *sessionguid,
1002         IMMDevice *device, UINT channels, AudioSession **out)
1003 {
1004     AudioSession *session;
1005
1006     if(!sessionguid || IsEqualGUID(sessionguid, &GUID_NULL)){
1007         *out = create_session(&GUID_NULL, device, channels);
1008         if(!*out)
1009             return E_OUTOFMEMORY;
1010
1011         return S_OK;
1012     }
1013
1014     *out = NULL;
1015     LIST_FOR_EACH_ENTRY(session, &g_sessions, AudioSession, entry){
1016         if(session->device == device &&
1017                 IsEqualGUID(sessionguid, &session->guid)){
1018             session_init_vols(session, channels);
1019             *out = session;
1020             break;
1021         }
1022     }
1023
1024     if(!*out){
1025         *out = create_session(sessionguid, device, channels);
1026         if(!*out)
1027             return E_OUTOFMEMORY;
1028     }
1029
1030     return S_OK;
1031 }
1032
1033 static HRESULT WINAPI AudioClient_Initialize(IAudioClient *iface,
1034         AUDCLNT_SHAREMODE mode, DWORD flags, REFERENCE_TIME duration,
1035         REFERENCE_TIME period, const WAVEFORMATEX *fmt,
1036         const GUID *sessionguid)
1037 {
1038     ACImpl *This = impl_from_IAudioClient(iface);
1039     int i;
1040     HRESULT hr;
1041
1042     TRACE("(%p)->(%x, %x, %s, %s, %p, %s)\n", This, mode, flags,
1043           wine_dbgstr_longlong(duration), wine_dbgstr_longlong(period), fmt, debugstr_guid(sessionguid));
1044
1045     if(!fmt)
1046         return E_POINTER;
1047
1048     dump_fmt(fmt);
1049
1050     if(mode != AUDCLNT_SHAREMODE_SHARED && mode != AUDCLNT_SHAREMODE_EXCLUSIVE)
1051         return AUDCLNT_E_NOT_INITIALIZED;
1052
1053     if(flags & ~(AUDCLNT_STREAMFLAGS_CROSSPROCESS |
1054                 AUDCLNT_STREAMFLAGS_LOOPBACK |
1055                 AUDCLNT_STREAMFLAGS_EVENTCALLBACK |
1056                 AUDCLNT_STREAMFLAGS_NOPERSIST |
1057                 AUDCLNT_STREAMFLAGS_RATEADJUST |
1058                 AUDCLNT_SESSIONFLAGS_EXPIREWHENUNOWNED |
1059                 AUDCLNT_SESSIONFLAGS_DISPLAY_HIDE |
1060                 AUDCLNT_SESSIONFLAGS_DISPLAY_HIDEWHENEXPIRED)){
1061         TRACE("Unknown flags: %08x\n", flags);
1062         return E_INVALIDARG;
1063     }
1064
1065     if(mode == AUDCLNT_SHAREMODE_SHARED){
1066         period = DefaultPeriod;
1067         if( duration < 3 * period)
1068             duration = 3 * period;
1069     }else{
1070         if(!period)
1071             period = DefaultPeriod; /* not minimum */
1072         if(period < MinimumPeriod || period > 5000000)
1073             return AUDCLNT_E_INVALID_DEVICE_PERIOD;
1074         if(duration > 20000000) /* the smaller the period, the lower this limit */
1075             return AUDCLNT_E_BUFFER_SIZE_ERROR;
1076         if(flags & AUDCLNT_STREAMFLAGS_EVENTCALLBACK){
1077             if(duration != period)
1078                 return AUDCLNT_E_BUFDURATION_PERIOD_NOT_EQUAL;
1079             FIXME("EXCLUSIVE mode with EVENTCALLBACK\n");
1080             return AUDCLNT_E_DEVICE_IN_USE;
1081         }else{
1082             if( duration < 8 * period)
1083                 duration = 8 * period; /* may grow above 2s */
1084         }
1085     }
1086
1087     EnterCriticalSection(&This->lock);
1088
1089     if(This->initted){
1090         LeaveCriticalSection(&This->lock);
1091         return AUDCLNT_E_ALREADY_INITIALIZED;
1092     }
1093
1094     hr = setup_oss_device(mode, This->fd, fmt, NULL);
1095     if(FAILED(hr)){
1096         LeaveCriticalSection(&This->lock);
1097         return hr;
1098     }
1099
1100     This->fmt = clone_format(fmt);
1101     if(!This->fmt){
1102         LeaveCriticalSection(&This->lock);
1103         return E_OUTOFMEMORY;
1104     }
1105
1106     This->period_us = period / 10;
1107     This->period_frames = MulDiv(fmt->nSamplesPerSec, period, 10000000);
1108
1109     This->bufsize_frames = MulDiv(duration, fmt->nSamplesPerSec, 10000000);
1110     if(mode == AUDCLNT_SHAREMODE_EXCLUSIVE)
1111         This->bufsize_frames -= This->bufsize_frames % This->period_frames;
1112     This->local_buffer = HeapAlloc(GetProcessHeap(), 0,
1113             This->bufsize_frames * fmt->nBlockAlign);
1114     if(!This->local_buffer){
1115         CoTaskMemFree(This->fmt);
1116         This->fmt = NULL;
1117         LeaveCriticalSection(&This->lock);
1118         return E_OUTOFMEMORY;
1119     }
1120
1121     This->vols = HeapAlloc(GetProcessHeap(), 0, fmt->nChannels * sizeof(float));
1122     if(!This->vols){
1123         CoTaskMemFree(This->fmt);
1124         This->fmt = NULL;
1125         LeaveCriticalSection(&This->lock);
1126         return E_OUTOFMEMORY;
1127     }
1128
1129     for(i = 0; i < fmt->nChannels; ++i)
1130         This->vols[i] = 1.f;
1131
1132     This->share = mode;
1133     This->flags = flags;
1134     This->oss_bufsize_bytes = 0;
1135
1136     EnterCriticalSection(&g_sessions_lock);
1137
1138     hr = get_audio_session(sessionguid, This->parent, fmt->nChannels,
1139             &This->session);
1140     if(FAILED(hr)){
1141         LeaveCriticalSection(&g_sessions_lock);
1142         HeapFree(GetProcessHeap(), 0, This->vols);
1143         This->vols = NULL;
1144         CoTaskMemFree(This->fmt);
1145         This->fmt = NULL;
1146         LeaveCriticalSection(&This->lock);
1147         return hr;
1148     }
1149
1150     list_add_tail(&This->session->clients, &This->entry);
1151
1152     LeaveCriticalSection(&g_sessions_lock);
1153
1154     This->initted = TRUE;
1155
1156     LeaveCriticalSection(&This->lock);
1157
1158     return S_OK;
1159 }
1160
1161 static HRESULT WINAPI AudioClient_GetBufferSize(IAudioClient *iface,
1162         UINT32 *frames)
1163 {
1164     ACImpl *This = impl_from_IAudioClient(iface);
1165
1166     TRACE("(%p)->(%p)\n", This, frames);
1167
1168     if(!frames)
1169         return E_POINTER;
1170
1171     EnterCriticalSection(&This->lock);
1172
1173     if(!This->initted){
1174         LeaveCriticalSection(&This->lock);
1175         return AUDCLNT_E_NOT_INITIALIZED;
1176     }
1177
1178     *frames = This->bufsize_frames;
1179
1180     TRACE("buffer size: %u\n", *frames);
1181
1182     LeaveCriticalSection(&This->lock);
1183
1184     return S_OK;
1185 }
1186
1187 static HRESULT WINAPI AudioClient_GetStreamLatency(IAudioClient *iface,
1188         REFERENCE_TIME *latency)
1189 {
1190     ACImpl *This = impl_from_IAudioClient(iface);
1191
1192     TRACE("(%p)->(%p)\n", This, latency);
1193
1194     if(!latency)
1195         return E_POINTER;
1196
1197     EnterCriticalSection(&This->lock);
1198
1199     if(!This->initted){
1200         LeaveCriticalSection(&This->lock);
1201         return AUDCLNT_E_NOT_INITIALIZED;
1202     }
1203
1204     /* pretend we process audio in Period chunks, so max latency includes
1205      * the period time.  Some native machines add .6666ms in shared mode. */
1206     *latency = (REFERENCE_TIME)This->period_us * 10 + 6666;
1207
1208     LeaveCriticalSection(&This->lock);
1209
1210     return S_OK;
1211 }
1212
1213 static HRESULT WINAPI AudioClient_GetCurrentPadding(IAudioClient *iface,
1214         UINT32 *numpad)
1215 {
1216     ACImpl *This = impl_from_IAudioClient(iface);
1217
1218     TRACE("(%p)->(%p)\n", This, numpad);
1219
1220     if(!numpad)
1221         return E_POINTER;
1222
1223     EnterCriticalSection(&This->lock);
1224
1225     if(!This->initted){
1226         LeaveCriticalSection(&This->lock);
1227         return AUDCLNT_E_NOT_INITIALIZED;
1228     }
1229
1230     *numpad = This->held_frames;
1231
1232     TRACE("padding: %u\n", *numpad);
1233
1234     LeaveCriticalSection(&This->lock);
1235
1236     return S_OK;
1237 }
1238
1239 static HRESULT WINAPI AudioClient_IsFormatSupported(IAudioClient *iface,
1240         AUDCLNT_SHAREMODE mode, const WAVEFORMATEX *pwfx,
1241         WAVEFORMATEX **outpwfx)
1242 {
1243     ACImpl *This = impl_from_IAudioClient(iface);
1244     int fd = -1;
1245     HRESULT ret;
1246
1247     TRACE("(%p)->(%x, %p, %p)\n", This, mode, pwfx, outpwfx);
1248
1249     if(!pwfx || (mode == AUDCLNT_SHAREMODE_SHARED && !outpwfx))
1250         return E_POINTER;
1251
1252     if(mode != AUDCLNT_SHAREMODE_SHARED && mode != AUDCLNT_SHAREMODE_EXCLUSIVE)
1253         return E_INVALIDARG;
1254
1255     if(pwfx->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
1256             pwfx->cbSize < sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX))
1257         return E_INVALIDARG;
1258
1259     dump_fmt(pwfx);
1260
1261     if(outpwfx){
1262         *outpwfx = NULL;
1263         if(mode != AUDCLNT_SHAREMODE_SHARED)
1264             outpwfx = NULL;
1265     }
1266
1267     if(This->dataflow == eRender)
1268         fd = open(This->devnode, O_WRONLY | O_NONBLOCK, 0);
1269     else if(This->dataflow == eCapture)
1270         fd = open(This->devnode, O_RDONLY | O_NONBLOCK, 0);
1271
1272     if(fd < 0){
1273         WARN("Unable to open device %s: %d (%s)\n", This->devnode, errno,
1274                 strerror(errno));
1275         return AUDCLNT_E_DEVICE_INVALIDATED;
1276     }
1277
1278     ret = setup_oss_device(mode, fd, pwfx, outpwfx);
1279
1280     close(fd);
1281
1282     return ret;
1283 }
1284
1285 static HRESULT WINAPI AudioClient_GetMixFormat(IAudioClient *iface,
1286         WAVEFORMATEX **pwfx)
1287 {
1288     ACImpl *This = impl_from_IAudioClient(iface);
1289     WAVEFORMATEXTENSIBLE *fmt;
1290     int formats;
1291
1292     TRACE("(%p)->(%p)\n", This, pwfx);
1293
1294     if(!pwfx)
1295         return E_POINTER;
1296     *pwfx = NULL;
1297
1298     if(This->dataflow == eRender)
1299         formats = This->ai.oformats;
1300     else if(This->dataflow == eCapture)
1301         formats = This->ai.iformats;
1302     else
1303         return E_UNEXPECTED;
1304
1305     fmt = CoTaskMemAlloc(sizeof(WAVEFORMATEXTENSIBLE));
1306     if(!fmt)
1307         return E_OUTOFMEMORY;
1308
1309     fmt->Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
1310     if(formats & AFMT_S16_LE){
1311         fmt->Format.wBitsPerSample = 16;
1312         fmt->SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
1313 #ifdef AFMT_FLOAT
1314     }else if(formats & AFMT_FLOAT){
1315         fmt->Format.wBitsPerSample = 32;
1316         fmt->SubFormat = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
1317 #endif
1318     }else if(formats & AFMT_U8){
1319         fmt->Format.wBitsPerSample = 8;
1320         fmt->SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
1321     }else if(formats & AFMT_S32_LE){
1322         fmt->Format.wBitsPerSample = 32;
1323         fmt->SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
1324     }else if(formats & AFMT_S24_LE){
1325         fmt->Format.wBitsPerSample = 24;
1326         fmt->SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
1327     }else{
1328         WARN("Didn't recognize any available OSS formats: %x\n", formats);
1329         CoTaskMemFree(fmt);
1330         return E_FAIL;
1331     }
1332
1333     /* some OSS drivers are buggy, so set reasonable defaults if
1334      * the reported values seem wacky */
1335     fmt->Format.nChannels = max(This->ai.max_channels, This->ai.min_channels);
1336     if(fmt->Format.nChannels == 0 || fmt->Format.nChannels > 8)
1337         fmt->Format.nChannels = 2;
1338
1339     if(This->ai.max_rate == 0)
1340         fmt->Format.nSamplesPerSec = 44100;
1341     else
1342         fmt->Format.nSamplesPerSec = min(This->ai.max_rate, 44100);
1343     if(fmt->Format.nSamplesPerSec < This->ai.min_rate)
1344         fmt->Format.nSamplesPerSec = This->ai.min_rate;
1345
1346     fmt->dwChannelMask = get_channel_mask(fmt->Format.nChannels);
1347
1348     fmt->Format.nBlockAlign = (fmt->Format.wBitsPerSample *
1349             fmt->Format.nChannels) / 8;
1350     fmt->Format.nAvgBytesPerSec = fmt->Format.nSamplesPerSec *
1351         fmt->Format.nBlockAlign;
1352
1353     fmt->Samples.wValidBitsPerSample = fmt->Format.wBitsPerSample;
1354     fmt->Format.cbSize = sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX);
1355
1356     *pwfx = (WAVEFORMATEX*)fmt;
1357     dump_fmt(*pwfx);
1358
1359     return S_OK;
1360 }
1361
1362 static HRESULT WINAPI AudioClient_GetDevicePeriod(IAudioClient *iface,
1363         REFERENCE_TIME *defperiod, REFERENCE_TIME *minperiod)
1364 {
1365     ACImpl *This = impl_from_IAudioClient(iface);
1366
1367     TRACE("(%p)->(%p, %p)\n", This, defperiod, minperiod);
1368
1369     if(!defperiod && !minperiod)
1370         return E_POINTER;
1371
1372     if(defperiod)
1373         *defperiod = DefaultPeriod;
1374     if(minperiod)
1375         *minperiod = MinimumPeriod;
1376
1377     return S_OK;
1378 }
1379
1380 static void silence_buffer(ACImpl *This, BYTE *buffer, UINT32 frames)
1381 {
1382     WAVEFORMATEXTENSIBLE *fmtex = (WAVEFORMATEXTENSIBLE*)This->fmt;
1383     if((This->fmt->wFormatTag == WAVE_FORMAT_PCM ||
1384             (This->fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
1385              IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))) &&
1386             This->fmt->wBitsPerSample == 8)
1387         memset(buffer, 128, frames * This->fmt->nBlockAlign);
1388     else
1389         memset(buffer, 0, frames * This->fmt->nBlockAlign);
1390 }
1391
1392 static void oss_write_data(ACImpl *This)
1393 {
1394     ssize_t written_bytes;
1395     UINT32 written_frames, in_oss_frames, write_limit, max_period, write_offs_frames, new_frames;
1396     SIZE_T to_write_frames, to_write_bytes, advanced;
1397     audio_buf_info bi;
1398     BYTE *buf;
1399
1400     if(ioctl(This->fd, SNDCTL_DSP_GETOSPACE, &bi) < 0){
1401         WARN("GETOSPACE failed: %d (%s)\n", errno, strerror(errno));
1402         return;
1403     }
1404
1405     max_period = max(bi.fragsize / This->fmt->nBlockAlign, This->period_frames);
1406
1407     if(bi.bytes > This->oss_bufsize_bytes){
1408         TRACE("New buffer size (%u) is larger than old buffer size (%u)\n",
1409                 bi.bytes, This->oss_bufsize_bytes);
1410         This->oss_bufsize_bytes = bi.bytes;
1411         in_oss_frames = 0;
1412     }else
1413         in_oss_frames = (This->oss_bufsize_bytes - bi.bytes) / This->fmt->nBlockAlign;
1414
1415     if(in_oss_frames > This->in_oss_frames){
1416         TRACE("Capping reported frames from %u to %u\n",
1417                 in_oss_frames, This->in_oss_frames);
1418         in_oss_frames = This->in_oss_frames;
1419     }
1420
1421     write_limit = 0;
1422     while(write_limit + in_oss_frames < max_period * 3)
1423         write_limit += max_period;
1424     if(write_limit == 0)
1425         return;
1426
1427     /*        vvvvvv - in_oss_frames
1428      * [--xxxxxxxxxx]
1429      *       [xxxxxxxxxx--]
1430      *        ^^^^^^^^^^ - held_frames
1431      *        ^ - lcl_offs_frames
1432      */
1433     advanced = This->in_oss_frames - in_oss_frames;
1434     if(advanced > This->held_frames)
1435         advanced = This->held_frames;
1436     This->lcl_offs_frames += advanced;
1437     This->lcl_offs_frames %= This->bufsize_frames;
1438     This->held_frames -= advanced;
1439     This->in_oss_frames = in_oss_frames;
1440     TRACE("advanced by %lu, lcl_offs: %u, held: %u, in_oss: %u\n",
1441             advanced, This->lcl_offs_frames, This->held_frames, This->in_oss_frames);
1442
1443
1444     if(This->held_frames == This->in_oss_frames)
1445         return;
1446
1447     write_offs_frames = (This->lcl_offs_frames + This->in_oss_frames) % This->bufsize_frames;
1448     new_frames = This->held_frames - This->in_oss_frames;
1449
1450     if(write_offs_frames + new_frames > This->bufsize_frames)
1451         to_write_frames = This->bufsize_frames - write_offs_frames;
1452     else
1453         to_write_frames = new_frames;
1454
1455     to_write_frames = min(to_write_frames, write_limit);
1456     to_write_bytes = to_write_frames * This->fmt->nBlockAlign;
1457     TRACE("going to write %lu frames from %u (%lu of %u)\n", to_write_frames,
1458             write_offs_frames, to_write_frames + write_offs_frames,
1459             This->bufsize_frames);
1460
1461     buf = This->local_buffer + write_offs_frames * This->fmt->nBlockAlign;
1462
1463     if(This->session->mute)
1464         silence_buffer(This, buf, to_write_frames);
1465
1466     written_bytes = write(This->fd, buf, to_write_bytes);
1467     if(written_bytes < 0){
1468         /* EAGAIN is OSS buffer full, log that too */
1469         WARN("write failed: %d (%s)\n", errno, strerror(errno));
1470         return;
1471     }
1472     written_frames = written_bytes / This->fmt->nBlockAlign;
1473
1474     This->in_oss_frames += written_frames;
1475
1476     if(written_frames < to_write_frames){
1477         /* OSS buffer probably full */
1478         return;
1479     }
1480
1481     if(new_frames > written_frames && written_frames < write_limit){
1482         /* wrapped and have some data back at the start to write */
1483
1484         to_write_frames = min(write_limit - written_frames, new_frames - written_frames);
1485         to_write_bytes = to_write_frames * This->fmt->nBlockAlign;
1486
1487         if(This->session->mute)
1488             silence_buffer(This, This->local_buffer, to_write_frames);
1489
1490         TRACE("wrapping to write %lu frames from beginning\n", to_write_frames);
1491
1492         written_bytes = write(This->fd, This->local_buffer, to_write_bytes);
1493         if(written_bytes < 0){
1494             WARN("write failed: %d (%s)\n", errno, strerror(errno));
1495             return;
1496         }
1497         written_frames = written_bytes / This->fmt->nBlockAlign;
1498         This->in_oss_frames += written_frames;
1499     }
1500 }
1501
1502 static void oss_read_data(ACImpl *This)
1503 {
1504     UINT64 pos, readable;
1505     ssize_t nread;
1506
1507     pos = (This->held_frames + This->lcl_offs_frames) % This->bufsize_frames;
1508     readable = (This->bufsize_frames - pos) * This->fmt->nBlockAlign;
1509
1510     nread = read(This->fd, This->local_buffer + pos * This->fmt->nBlockAlign,
1511             readable);
1512     if(nread < 0){
1513         WARN("read failed: %d (%s)\n", errno, strerror(errno));
1514         return;
1515     }
1516
1517     This->held_frames += nread / This->fmt->nBlockAlign;
1518
1519     if(This->held_frames > This->bufsize_frames){
1520         WARN("Overflow of unread data\n");
1521         This->lcl_offs_frames += This->held_frames;
1522         This->lcl_offs_frames %= This->bufsize_frames;
1523         This->held_frames = This->bufsize_frames;
1524     }
1525 }
1526
1527 static void CALLBACK oss_period_callback(void *user, BOOLEAN timer)
1528 {
1529     ACImpl *This = user;
1530
1531     EnterCriticalSection(&This->lock);
1532
1533     if(This->playing){
1534         if(This->dataflow == eRender && This->held_frames)
1535             oss_write_data(This);
1536         else if(This->dataflow == eCapture)
1537             oss_read_data(This);
1538     }
1539
1540     LeaveCriticalSection(&This->lock);
1541
1542     if(This->event)
1543         SetEvent(This->event);
1544 }
1545
1546 static HRESULT WINAPI AudioClient_Start(IAudioClient *iface)
1547 {
1548     ACImpl *This = impl_from_IAudioClient(iface);
1549
1550     TRACE("(%p)\n", This);
1551
1552     EnterCriticalSection(&This->lock);
1553
1554     if(!This->initted){
1555         LeaveCriticalSection(&This->lock);
1556         return AUDCLNT_E_NOT_INITIALIZED;
1557     }
1558
1559     if((This->flags & AUDCLNT_STREAMFLAGS_EVENTCALLBACK) && !This->event){
1560         LeaveCriticalSection(&This->lock);
1561         return AUDCLNT_E_EVENTHANDLE_NOT_SET;
1562     }
1563
1564     if(This->playing){
1565         LeaveCriticalSection(&This->lock);
1566         return AUDCLNT_E_NOT_STOPPED;
1567     }
1568
1569     if(!This->timer){
1570         if(!CreateTimerQueueTimer(&This->timer, g_timer_q,
1571                     oss_period_callback, This, 0, This->period_us / 1000,
1572                     WT_EXECUTEINTIMERTHREAD))
1573             ERR("Unable to create period timer: %u\n", GetLastError());
1574     }
1575
1576     This->playing = TRUE;
1577
1578     LeaveCriticalSection(&This->lock);
1579
1580     return S_OK;
1581 }
1582
1583 static HRESULT WINAPI AudioClient_Stop(IAudioClient *iface)
1584 {
1585     ACImpl *This = impl_from_IAudioClient(iface);
1586
1587     TRACE("(%p)\n", This);
1588
1589     EnterCriticalSection(&This->lock);
1590
1591     if(!This->initted){
1592         LeaveCriticalSection(&This->lock);
1593         return AUDCLNT_E_NOT_INITIALIZED;
1594     }
1595
1596     if(!This->playing){
1597         LeaveCriticalSection(&This->lock);
1598         return S_FALSE;
1599     }
1600
1601     This->playing = FALSE;
1602     This->in_oss_frames = 0;
1603
1604     LeaveCriticalSection(&This->lock);
1605
1606     return S_OK;
1607 }
1608
1609 static HRESULT WINAPI AudioClient_Reset(IAudioClient *iface)
1610 {
1611     ACImpl *This = impl_from_IAudioClient(iface);
1612
1613     TRACE("(%p)\n", This);
1614
1615     EnterCriticalSection(&This->lock);
1616
1617     if(!This->initted){
1618         LeaveCriticalSection(&This->lock);
1619         return AUDCLNT_E_NOT_INITIALIZED;
1620     }
1621
1622     if(This->playing){
1623         LeaveCriticalSection(&This->lock);
1624         return AUDCLNT_E_NOT_STOPPED;
1625     }
1626
1627     if(This->getbuf_last){
1628         LeaveCriticalSection(&This->lock);
1629         return AUDCLNT_E_BUFFER_OPERATION_PENDING;
1630     }
1631
1632     if(This->dataflow == eRender){
1633         This->written_frames = 0;
1634         This->last_pos_frames = 0;
1635     }else{
1636         This->written_frames += This->held_frames;
1637     }
1638     This->held_frames = 0;
1639     This->lcl_offs_frames = 0;
1640     This->in_oss_frames = 0;
1641
1642     LeaveCriticalSection(&This->lock);
1643
1644     return S_OK;
1645 }
1646
1647 static HRESULT WINAPI AudioClient_SetEventHandle(IAudioClient *iface,
1648         HANDLE event)
1649 {
1650     ACImpl *This = impl_from_IAudioClient(iface);
1651
1652     TRACE("(%p)->(%p)\n", This, event);
1653
1654     if(!event)
1655         return E_INVALIDARG;
1656
1657     EnterCriticalSection(&This->lock);
1658
1659     if(!This->initted){
1660         LeaveCriticalSection(&This->lock);
1661         return AUDCLNT_E_NOT_INITIALIZED;
1662     }
1663
1664     if(!(This->flags & AUDCLNT_STREAMFLAGS_EVENTCALLBACK)){
1665         LeaveCriticalSection(&This->lock);
1666         return AUDCLNT_E_EVENTHANDLE_NOT_EXPECTED;
1667     }
1668
1669     if (This->event){
1670         LeaveCriticalSection(&This->lock);
1671         FIXME("called twice\n");
1672         return HRESULT_FROM_WIN32(ERROR_INVALID_NAME);
1673     }
1674
1675     This->event = event;
1676
1677     LeaveCriticalSection(&This->lock);
1678
1679     return S_OK;
1680 }
1681
1682 static HRESULT WINAPI AudioClient_GetService(IAudioClient *iface, REFIID riid,
1683         void **ppv)
1684 {
1685     ACImpl *This = impl_from_IAudioClient(iface);
1686
1687     TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(riid), ppv);
1688
1689     if(!ppv)
1690         return E_POINTER;
1691     *ppv = NULL;
1692
1693     EnterCriticalSection(&This->lock);
1694
1695     if(!This->initted){
1696         LeaveCriticalSection(&This->lock);
1697         return AUDCLNT_E_NOT_INITIALIZED;
1698     }
1699
1700     if(IsEqualIID(riid, &IID_IAudioRenderClient)){
1701         if(This->dataflow != eRender){
1702             LeaveCriticalSection(&This->lock);
1703             return AUDCLNT_E_WRONG_ENDPOINT_TYPE;
1704         }
1705         IAudioRenderClient_AddRef(&This->IAudioRenderClient_iface);
1706         *ppv = &This->IAudioRenderClient_iface;
1707     }else if(IsEqualIID(riid, &IID_IAudioCaptureClient)){
1708         if(This->dataflow != eCapture){
1709             LeaveCriticalSection(&This->lock);
1710             return AUDCLNT_E_WRONG_ENDPOINT_TYPE;
1711         }
1712         IAudioCaptureClient_AddRef(&This->IAudioCaptureClient_iface);
1713         *ppv = &This->IAudioCaptureClient_iface;
1714     }else if(IsEqualIID(riid, &IID_IAudioClock)){
1715         IAudioClock_AddRef(&This->IAudioClock_iface);
1716         *ppv = &This->IAudioClock_iface;
1717     }else if(IsEqualIID(riid, &IID_IAudioStreamVolume)){
1718         IAudioStreamVolume_AddRef(&This->IAudioStreamVolume_iface);
1719         *ppv = &This->IAudioStreamVolume_iface;
1720     }else if(IsEqualIID(riid, &IID_IAudioSessionControl)){
1721         if(!This->session_wrapper){
1722             This->session_wrapper = AudioSessionWrapper_Create(This);
1723             if(!This->session_wrapper){
1724                 LeaveCriticalSection(&This->lock);
1725                 return E_OUTOFMEMORY;
1726             }
1727         }else
1728             IAudioSessionControl2_AddRef(&This->session_wrapper->IAudioSessionControl2_iface);
1729
1730         *ppv = &This->session_wrapper->IAudioSessionControl2_iface;
1731     }else if(IsEqualIID(riid, &IID_IChannelAudioVolume)){
1732         if(!This->session_wrapper){
1733             This->session_wrapper = AudioSessionWrapper_Create(This);
1734             if(!This->session_wrapper){
1735                 LeaveCriticalSection(&This->lock);
1736                 return E_OUTOFMEMORY;
1737             }
1738         }else
1739             IChannelAudioVolume_AddRef(&This->session_wrapper->IChannelAudioVolume_iface);
1740
1741         *ppv = &This->session_wrapper->IChannelAudioVolume_iface;
1742     }else if(IsEqualIID(riid, &IID_ISimpleAudioVolume)){
1743         if(!This->session_wrapper){
1744             This->session_wrapper = AudioSessionWrapper_Create(This);
1745             if(!This->session_wrapper){
1746                 LeaveCriticalSection(&This->lock);
1747                 return E_OUTOFMEMORY;
1748             }
1749         }else
1750             ISimpleAudioVolume_AddRef(&This->session_wrapper->ISimpleAudioVolume_iface);
1751
1752         *ppv = &This->session_wrapper->ISimpleAudioVolume_iface;
1753     }
1754
1755     if(*ppv){
1756         LeaveCriticalSection(&This->lock);
1757         return S_OK;
1758     }
1759
1760     LeaveCriticalSection(&This->lock);
1761
1762     FIXME("stub %s\n", debugstr_guid(riid));
1763     return E_NOINTERFACE;
1764 }
1765
1766 static const IAudioClientVtbl AudioClient_Vtbl =
1767 {
1768     AudioClient_QueryInterface,
1769     AudioClient_AddRef,
1770     AudioClient_Release,
1771     AudioClient_Initialize,
1772     AudioClient_GetBufferSize,
1773     AudioClient_GetStreamLatency,
1774     AudioClient_GetCurrentPadding,
1775     AudioClient_IsFormatSupported,
1776     AudioClient_GetMixFormat,
1777     AudioClient_GetDevicePeriod,
1778     AudioClient_Start,
1779     AudioClient_Stop,
1780     AudioClient_Reset,
1781     AudioClient_SetEventHandle,
1782     AudioClient_GetService
1783 };
1784
1785 static HRESULT WINAPI AudioRenderClient_QueryInterface(
1786         IAudioRenderClient *iface, REFIID riid, void **ppv)
1787 {
1788     ACImpl *This = impl_from_IAudioRenderClient(iface);
1789     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
1790
1791     if(!ppv)
1792         return E_POINTER;
1793     *ppv = NULL;
1794
1795     if(IsEqualIID(riid, &IID_IUnknown) ||
1796             IsEqualIID(riid, &IID_IAudioRenderClient))
1797         *ppv = iface;
1798     else if(IsEqualIID(riid, &IID_IMarshal))
1799         return IUnknown_QueryInterface(This->pUnkFTMarshal, riid, ppv);
1800     if(*ppv){
1801         IUnknown_AddRef((IUnknown*)*ppv);
1802         return S_OK;
1803     }
1804
1805     WARN("Unknown interface %s\n", debugstr_guid(riid));
1806     return E_NOINTERFACE;
1807 }
1808
1809 static ULONG WINAPI AudioRenderClient_AddRef(IAudioRenderClient *iface)
1810 {
1811     ACImpl *This = impl_from_IAudioRenderClient(iface);
1812     return AudioClient_AddRef(&This->IAudioClient_iface);
1813 }
1814
1815 static ULONG WINAPI AudioRenderClient_Release(IAudioRenderClient *iface)
1816 {
1817     ACImpl *This = impl_from_IAudioRenderClient(iface);
1818     return AudioClient_Release(&This->IAudioClient_iface);
1819 }
1820
1821 static HRESULT WINAPI AudioRenderClient_GetBuffer(IAudioRenderClient *iface,
1822         UINT32 frames, BYTE **data)
1823 {
1824     ACImpl *This = impl_from_IAudioRenderClient(iface);
1825     UINT32 write_pos;
1826
1827     TRACE("(%p)->(%u, %p)\n", This, frames, data);
1828
1829     if(!data)
1830         return E_POINTER;
1831
1832     *data = NULL;
1833
1834     EnterCriticalSection(&This->lock);
1835
1836     if(This->getbuf_last){
1837         LeaveCriticalSection(&This->lock);
1838         return AUDCLNT_E_OUT_OF_ORDER;
1839     }
1840
1841     if(!frames){
1842         LeaveCriticalSection(&This->lock);
1843         return S_OK;
1844     }
1845
1846     if(This->held_frames + frames > This->bufsize_frames){
1847         LeaveCriticalSection(&This->lock);
1848         return AUDCLNT_E_BUFFER_TOO_LARGE;
1849     }
1850
1851     write_pos =
1852         (This->lcl_offs_frames + This->held_frames) % This->bufsize_frames;
1853     if(write_pos + frames > This->bufsize_frames){
1854         if(This->tmp_buffer_frames < frames){
1855             HeapFree(GetProcessHeap(), 0, This->tmp_buffer);
1856             This->tmp_buffer = HeapAlloc(GetProcessHeap(), 0,
1857                     frames * This->fmt->nBlockAlign);
1858             if(!This->tmp_buffer){
1859                 LeaveCriticalSection(&This->lock);
1860                 return E_OUTOFMEMORY;
1861             }
1862             This->tmp_buffer_frames = frames;
1863         }
1864         *data = This->tmp_buffer;
1865         This->getbuf_last = -frames;
1866     }else{
1867         *data = This->local_buffer + write_pos * This->fmt->nBlockAlign;
1868         This->getbuf_last = frames;
1869     }
1870
1871     silence_buffer(This, *data, frames);
1872
1873     LeaveCriticalSection(&This->lock);
1874
1875     return S_OK;
1876 }
1877
1878 static void oss_wrap_buffer(ACImpl *This, BYTE *buffer, UINT32 written_frames)
1879 {
1880     UINT32 write_offs_frames =
1881         (This->lcl_offs_frames + This->held_frames) % This->bufsize_frames;
1882     UINT32 write_offs_bytes = write_offs_frames * This->fmt->nBlockAlign;
1883     UINT32 chunk_frames = This->bufsize_frames - write_offs_frames;
1884     UINT32 chunk_bytes = chunk_frames * This->fmt->nBlockAlign;
1885     UINT32 written_bytes = written_frames * This->fmt->nBlockAlign;
1886
1887     if(written_bytes <= chunk_bytes){
1888         memcpy(This->local_buffer + write_offs_bytes, buffer, written_bytes);
1889     }else{
1890         memcpy(This->local_buffer + write_offs_bytes, buffer, chunk_bytes);
1891         memcpy(This->local_buffer, buffer + chunk_bytes,
1892                 written_bytes - chunk_bytes);
1893     }
1894 }
1895
1896 static HRESULT WINAPI AudioRenderClient_ReleaseBuffer(
1897         IAudioRenderClient *iface, UINT32 written_frames, DWORD flags)
1898 {
1899     ACImpl *This = impl_from_IAudioRenderClient(iface);
1900     BYTE *buffer;
1901
1902     TRACE("(%p)->(%u, %x)\n", This, written_frames, flags);
1903
1904     EnterCriticalSection(&This->lock);
1905
1906     if(!written_frames){
1907         This->getbuf_last = 0;
1908         LeaveCriticalSection(&This->lock);
1909         return S_OK;
1910     }
1911
1912     if(!This->getbuf_last){
1913         LeaveCriticalSection(&This->lock);
1914         return AUDCLNT_E_OUT_OF_ORDER;
1915     }
1916
1917     if(written_frames > (This->getbuf_last >= 0 ? This->getbuf_last : -This->getbuf_last)){
1918         LeaveCriticalSection(&This->lock);
1919         return AUDCLNT_E_INVALID_SIZE;
1920     }
1921
1922     if(This->getbuf_last >= 0)
1923         buffer = This->local_buffer + This->fmt->nBlockAlign *
1924           ((This->lcl_offs_frames + This->held_frames) % This->bufsize_frames);
1925     else
1926         buffer = This->tmp_buffer;
1927
1928     if(flags & AUDCLNT_BUFFERFLAGS_SILENT)
1929         silence_buffer(This, buffer, written_frames);
1930
1931     if(This->getbuf_last < 0)
1932         oss_wrap_buffer(This, buffer, written_frames);
1933
1934     This->held_frames += written_frames;
1935     This->written_frames += written_frames;
1936     This->getbuf_last = 0;
1937
1938     LeaveCriticalSection(&This->lock);
1939
1940     return S_OK;
1941 }
1942
1943 static const IAudioRenderClientVtbl AudioRenderClient_Vtbl = {
1944     AudioRenderClient_QueryInterface,
1945     AudioRenderClient_AddRef,
1946     AudioRenderClient_Release,
1947     AudioRenderClient_GetBuffer,
1948     AudioRenderClient_ReleaseBuffer
1949 };
1950
1951 static HRESULT WINAPI AudioCaptureClient_QueryInterface(
1952         IAudioCaptureClient *iface, REFIID riid, void **ppv)
1953 {
1954     ACImpl *This = impl_from_IAudioCaptureClient(iface);
1955     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
1956
1957     if(!ppv)
1958         return E_POINTER;
1959     *ppv = NULL;
1960
1961     if(IsEqualIID(riid, &IID_IUnknown) ||
1962             IsEqualIID(riid, &IID_IAudioCaptureClient))
1963         *ppv = iface;
1964     else if(IsEqualIID(riid, &IID_IMarshal))
1965         return IUnknown_QueryInterface(This->pUnkFTMarshal, riid, ppv);
1966     if(*ppv){
1967         IUnknown_AddRef((IUnknown*)*ppv);
1968         return S_OK;
1969     }
1970
1971     WARN("Unknown interface %s\n", debugstr_guid(riid));
1972     return E_NOINTERFACE;
1973 }
1974
1975 static ULONG WINAPI AudioCaptureClient_AddRef(IAudioCaptureClient *iface)
1976 {
1977     ACImpl *This = impl_from_IAudioCaptureClient(iface);
1978     return IAudioClient_AddRef(&This->IAudioClient_iface);
1979 }
1980
1981 static ULONG WINAPI AudioCaptureClient_Release(IAudioCaptureClient *iface)
1982 {
1983     ACImpl *This = impl_from_IAudioCaptureClient(iface);
1984     return IAudioClient_Release(&This->IAudioClient_iface);
1985 }
1986
1987 static HRESULT WINAPI AudioCaptureClient_GetBuffer(IAudioCaptureClient *iface,
1988         BYTE **data, UINT32 *frames, DWORD *flags, UINT64 *devpos,
1989         UINT64 *qpcpos)
1990 {
1991     ACImpl *This = impl_from_IAudioCaptureClient(iface);
1992
1993     TRACE("(%p)->(%p, %p, %p, %p, %p)\n", This, data, frames, flags,
1994             devpos, qpcpos);
1995
1996     if(!data || !frames || !flags)
1997         return E_POINTER;
1998
1999     EnterCriticalSection(&This->lock);
2000
2001     if(This->getbuf_last){
2002         LeaveCriticalSection(&This->lock);
2003         return AUDCLNT_E_OUT_OF_ORDER;
2004     }
2005
2006     if(This->held_frames < This->period_frames){
2007         *frames = 0;
2008         LeaveCriticalSection(&This->lock);
2009         return AUDCLNT_S_BUFFER_EMPTY;
2010     }
2011
2012     *flags = 0;
2013
2014     *frames = This->period_frames;
2015
2016     if(This->lcl_offs_frames + *frames > This->bufsize_frames){
2017         UINT32 chunk_bytes, offs_bytes, frames_bytes;
2018         if(This->tmp_buffer_frames < *frames){
2019             HeapFree(GetProcessHeap(), 0, This->tmp_buffer);
2020             This->tmp_buffer = HeapAlloc(GetProcessHeap(), 0,
2021                     *frames * This->fmt->nBlockAlign);
2022             if(!This->tmp_buffer){
2023                 LeaveCriticalSection(&This->lock);
2024                 return E_OUTOFMEMORY;
2025             }
2026             This->tmp_buffer_frames = *frames;
2027         }
2028
2029         *data = This->tmp_buffer;
2030         chunk_bytes = (This->bufsize_frames - This->lcl_offs_frames) *
2031             This->fmt->nBlockAlign;
2032         offs_bytes = This->lcl_offs_frames * This->fmt->nBlockAlign;
2033         frames_bytes = *frames * This->fmt->nBlockAlign;
2034         memcpy(This->tmp_buffer, This->local_buffer + offs_bytes, chunk_bytes);
2035         memcpy(This->tmp_buffer + chunk_bytes, This->local_buffer,
2036                 frames_bytes - chunk_bytes);
2037     }else
2038         *data = This->local_buffer +
2039             This->lcl_offs_frames * This->fmt->nBlockAlign;
2040
2041     This->getbuf_last = *frames;
2042
2043     if(devpos)
2044        *devpos = This->written_frames;
2045     if(qpcpos){
2046         LARGE_INTEGER stamp, freq;
2047         QueryPerformanceCounter(&stamp);
2048         QueryPerformanceFrequency(&freq);
2049         *qpcpos = (stamp.QuadPart * (INT64)10000000) / freq.QuadPart;
2050     }
2051
2052     LeaveCriticalSection(&This->lock);
2053
2054     return *frames ? S_OK : AUDCLNT_S_BUFFER_EMPTY;
2055 }
2056
2057 static HRESULT WINAPI AudioCaptureClient_ReleaseBuffer(
2058         IAudioCaptureClient *iface, UINT32 done)
2059 {
2060     ACImpl *This = impl_from_IAudioCaptureClient(iface);
2061
2062     TRACE("(%p)->(%u)\n", This, done);
2063
2064     EnterCriticalSection(&This->lock);
2065
2066     if(!done){
2067         This->getbuf_last = 0;
2068         LeaveCriticalSection(&This->lock);
2069         return S_OK;
2070     }
2071
2072     if(!This->getbuf_last){
2073         LeaveCriticalSection(&This->lock);
2074         return AUDCLNT_E_OUT_OF_ORDER;
2075     }
2076
2077     if(This->getbuf_last != done){
2078         LeaveCriticalSection(&This->lock);
2079         return AUDCLNT_E_INVALID_SIZE;
2080     }
2081
2082     This->written_frames += done;
2083     This->held_frames -= done;
2084     This->lcl_offs_frames += done;
2085     This->lcl_offs_frames %= This->bufsize_frames;
2086     This->getbuf_last = 0;
2087
2088     LeaveCriticalSection(&This->lock);
2089
2090     return S_OK;
2091 }
2092
2093 static HRESULT WINAPI AudioCaptureClient_GetNextPacketSize(
2094         IAudioCaptureClient *iface, UINT32 *frames)
2095 {
2096     ACImpl *This = impl_from_IAudioCaptureClient(iface);
2097
2098     TRACE("(%p)->(%p)\n", This, frames);
2099
2100     if(!frames)
2101         return E_POINTER;
2102
2103     EnterCriticalSection(&This->lock);
2104
2105     *frames = This->held_frames < This->period_frames ? 0 : This->period_frames;
2106
2107     LeaveCriticalSection(&This->lock);
2108
2109     return S_OK;
2110 }
2111
2112 static const IAudioCaptureClientVtbl AudioCaptureClient_Vtbl =
2113 {
2114     AudioCaptureClient_QueryInterface,
2115     AudioCaptureClient_AddRef,
2116     AudioCaptureClient_Release,
2117     AudioCaptureClient_GetBuffer,
2118     AudioCaptureClient_ReleaseBuffer,
2119     AudioCaptureClient_GetNextPacketSize
2120 };
2121
2122 static HRESULT WINAPI AudioClock_QueryInterface(IAudioClock *iface,
2123         REFIID riid, void **ppv)
2124 {
2125     ACImpl *This = impl_from_IAudioClock(iface);
2126
2127     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2128
2129     if(!ppv)
2130         return E_POINTER;
2131     *ppv = NULL;
2132
2133     if(IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IAudioClock))
2134         *ppv = iface;
2135     else if(IsEqualIID(riid, &IID_IAudioClock2))
2136         *ppv = &This->IAudioClock2_iface;
2137     if(*ppv){
2138         IUnknown_AddRef((IUnknown*)*ppv);
2139         return S_OK;
2140     }
2141
2142     WARN("Unknown interface %s\n", debugstr_guid(riid));
2143     return E_NOINTERFACE;
2144 }
2145
2146 static ULONG WINAPI AudioClock_AddRef(IAudioClock *iface)
2147 {
2148     ACImpl *This = impl_from_IAudioClock(iface);
2149     return IAudioClient_AddRef(&This->IAudioClient_iface);
2150 }
2151
2152 static ULONG WINAPI AudioClock_Release(IAudioClock *iface)
2153 {
2154     ACImpl *This = impl_from_IAudioClock(iface);
2155     return IAudioClient_Release(&This->IAudioClient_iface);
2156 }
2157
2158 static HRESULT WINAPI AudioClock_GetFrequency(IAudioClock *iface, UINT64 *freq)
2159 {
2160     ACImpl *This = impl_from_IAudioClock(iface);
2161
2162     TRACE("(%p)->(%p)\n", This, freq);
2163
2164     if(This->share == AUDCLNT_SHAREMODE_SHARED)
2165         *freq = (UINT64)This->fmt->nSamplesPerSec * This->fmt->nBlockAlign;
2166     else
2167         *freq = This->fmt->nSamplesPerSec;
2168
2169     return S_OK;
2170 }
2171
2172 static HRESULT WINAPI AudioClock_GetPosition(IAudioClock *iface, UINT64 *pos,
2173         UINT64 *qpctime)
2174 {
2175     ACImpl *This = impl_from_IAudioClock(iface);
2176
2177     TRACE("(%p)->(%p, %p)\n", This, pos, qpctime);
2178
2179     if(!pos)
2180         return E_POINTER;
2181
2182     EnterCriticalSection(&This->lock);
2183
2184     if(This->dataflow == eRender){
2185         *pos = This->written_frames - This->held_frames;
2186         if(*pos < This->last_pos_frames)
2187             *pos = This->last_pos_frames;
2188     }else if(This->dataflow == eCapture){
2189         audio_buf_info bi;
2190         UINT32 held;
2191
2192         if(ioctl(This->fd, SNDCTL_DSP_GETISPACE, &bi) < 0){
2193             TRACE("GETISPACE failed: %d (%s)\n", errno, strerror(errno));
2194             held = 0;
2195         }else{
2196             if(bi.bytes <= bi.fragsize)
2197                 held = 0;
2198             else
2199                 held = bi.bytes / This->fmt->nBlockAlign;
2200         }
2201
2202         *pos = This->written_frames + held;
2203     }
2204
2205     This->last_pos_frames = *pos;
2206
2207     TRACE("returning: %s\n", wine_dbgstr_longlong(*pos));
2208     if(This->share == AUDCLNT_SHAREMODE_SHARED)
2209         *pos *= This->fmt->nBlockAlign;
2210
2211     LeaveCriticalSection(&This->lock);
2212
2213     if(qpctime){
2214         LARGE_INTEGER stamp, freq;
2215         QueryPerformanceCounter(&stamp);
2216         QueryPerformanceFrequency(&freq);
2217         *qpctime = (stamp.QuadPart * (INT64)10000000) / freq.QuadPart;
2218     }
2219
2220     return S_OK;
2221 }
2222
2223 static HRESULT WINAPI AudioClock_GetCharacteristics(IAudioClock *iface,
2224         DWORD *chars)
2225 {
2226     ACImpl *This = impl_from_IAudioClock(iface);
2227
2228     TRACE("(%p)->(%p)\n", This, chars);
2229
2230     if(!chars)
2231         return E_POINTER;
2232
2233     *chars = AUDIOCLOCK_CHARACTERISTIC_FIXED_FREQ;
2234
2235     return S_OK;
2236 }
2237
2238 static const IAudioClockVtbl AudioClock_Vtbl =
2239 {
2240     AudioClock_QueryInterface,
2241     AudioClock_AddRef,
2242     AudioClock_Release,
2243     AudioClock_GetFrequency,
2244     AudioClock_GetPosition,
2245     AudioClock_GetCharacteristics
2246 };
2247
2248 static HRESULT WINAPI AudioClock2_QueryInterface(IAudioClock2 *iface,
2249         REFIID riid, void **ppv)
2250 {
2251     ACImpl *This = impl_from_IAudioClock2(iface);
2252     return IAudioClock_QueryInterface(&This->IAudioClock_iface, riid, ppv);
2253 }
2254
2255 static ULONG WINAPI AudioClock2_AddRef(IAudioClock2 *iface)
2256 {
2257     ACImpl *This = impl_from_IAudioClock2(iface);
2258     return IAudioClient_AddRef(&This->IAudioClient_iface);
2259 }
2260
2261 static ULONG WINAPI AudioClock2_Release(IAudioClock2 *iface)
2262 {
2263     ACImpl *This = impl_from_IAudioClock2(iface);
2264     return IAudioClient_Release(&This->IAudioClient_iface);
2265 }
2266
2267 static HRESULT WINAPI AudioClock2_GetDevicePosition(IAudioClock2 *iface,
2268         UINT64 *pos, UINT64 *qpctime)
2269 {
2270     ACImpl *This = impl_from_IAudioClock2(iface);
2271
2272     FIXME("(%p)->(%p, %p)\n", This, pos, qpctime);
2273
2274     return E_NOTIMPL;
2275 }
2276
2277 static const IAudioClock2Vtbl AudioClock2_Vtbl =
2278 {
2279     AudioClock2_QueryInterface,
2280     AudioClock2_AddRef,
2281     AudioClock2_Release,
2282     AudioClock2_GetDevicePosition
2283 };
2284
2285 static AudioSessionWrapper *AudioSessionWrapper_Create(ACImpl *client)
2286 {
2287     AudioSessionWrapper *ret;
2288
2289     ret = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
2290             sizeof(AudioSessionWrapper));
2291     if(!ret)
2292         return NULL;
2293
2294     ret->IAudioSessionControl2_iface.lpVtbl = &AudioSessionControl2_Vtbl;
2295     ret->ISimpleAudioVolume_iface.lpVtbl = &SimpleAudioVolume_Vtbl;
2296     ret->IChannelAudioVolume_iface.lpVtbl = &ChannelAudioVolume_Vtbl;
2297
2298     ret->ref = 1;
2299
2300     ret->client = client;
2301     if(client){
2302         ret->session = client->session;
2303         AudioClient_AddRef(&client->IAudioClient_iface);
2304     }
2305
2306     return ret;
2307 }
2308
2309 static HRESULT WINAPI AudioSessionControl_QueryInterface(
2310         IAudioSessionControl2 *iface, REFIID riid, void **ppv)
2311 {
2312     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2313
2314     if(!ppv)
2315         return E_POINTER;
2316     *ppv = NULL;
2317
2318     if(IsEqualIID(riid, &IID_IUnknown) ||
2319             IsEqualIID(riid, &IID_IAudioSessionControl) ||
2320             IsEqualIID(riid, &IID_IAudioSessionControl2))
2321         *ppv = iface;
2322     if(*ppv){
2323         IUnknown_AddRef((IUnknown*)*ppv);
2324         return S_OK;
2325     }
2326
2327     WARN("Unknown interface %s\n", debugstr_guid(riid));
2328     return E_NOINTERFACE;
2329 }
2330
2331 static ULONG WINAPI AudioSessionControl_AddRef(IAudioSessionControl2 *iface)
2332 {
2333     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2334     ULONG ref;
2335     ref = InterlockedIncrement(&This->ref);
2336     TRACE("(%p) Refcount now %u\n", This, ref);
2337     return ref;
2338 }
2339
2340 static ULONG WINAPI AudioSessionControl_Release(IAudioSessionControl2 *iface)
2341 {
2342     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2343     ULONG ref;
2344     ref = InterlockedDecrement(&This->ref);
2345     TRACE("(%p) Refcount now %u\n", This, ref);
2346     if(!ref){
2347         if(This->client){
2348             EnterCriticalSection(&This->client->lock);
2349             This->client->session_wrapper = NULL;
2350             LeaveCriticalSection(&This->client->lock);
2351             AudioClient_Release(&This->client->IAudioClient_iface);
2352         }
2353         HeapFree(GetProcessHeap(), 0, This);
2354     }
2355     return ref;
2356 }
2357
2358 static HRESULT WINAPI AudioSessionControl_GetState(IAudioSessionControl2 *iface,
2359         AudioSessionState *state)
2360 {
2361     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2362     ACImpl *client;
2363
2364     TRACE("(%p)->(%p)\n", This, state);
2365
2366     if(!state)
2367         return NULL_PTR_ERR;
2368
2369     EnterCriticalSection(&g_sessions_lock);
2370
2371     if(list_empty(&This->session->clients)){
2372         *state = AudioSessionStateExpired;
2373         LeaveCriticalSection(&g_sessions_lock);
2374         return S_OK;
2375     }
2376
2377     LIST_FOR_EACH_ENTRY(client, &This->session->clients, ACImpl, entry){
2378         EnterCriticalSection(&client->lock);
2379         if(client->playing){
2380             *state = AudioSessionStateActive;
2381             LeaveCriticalSection(&client->lock);
2382             LeaveCriticalSection(&g_sessions_lock);
2383             return S_OK;
2384         }
2385         LeaveCriticalSection(&client->lock);
2386     }
2387
2388     LeaveCriticalSection(&g_sessions_lock);
2389
2390     *state = AudioSessionStateInactive;
2391
2392     return S_OK;
2393 }
2394
2395 static HRESULT WINAPI AudioSessionControl_GetDisplayName(
2396         IAudioSessionControl2 *iface, WCHAR **name)
2397 {
2398     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2399
2400     FIXME("(%p)->(%p) - stub\n", This, name);
2401
2402     return E_NOTIMPL;
2403 }
2404
2405 static HRESULT WINAPI AudioSessionControl_SetDisplayName(
2406         IAudioSessionControl2 *iface, const WCHAR *name, const GUID *session)
2407 {
2408     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2409
2410     FIXME("(%p)->(%p, %s) - stub\n", This, name, debugstr_guid(session));
2411
2412     return E_NOTIMPL;
2413 }
2414
2415 static HRESULT WINAPI AudioSessionControl_GetIconPath(
2416         IAudioSessionControl2 *iface, WCHAR **path)
2417 {
2418     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2419
2420     FIXME("(%p)->(%p) - stub\n", This, path);
2421
2422     return E_NOTIMPL;
2423 }
2424
2425 static HRESULT WINAPI AudioSessionControl_SetIconPath(
2426         IAudioSessionControl2 *iface, const WCHAR *path, const GUID *session)
2427 {
2428     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2429
2430     FIXME("(%p)->(%p, %s) - stub\n", This, path, debugstr_guid(session));
2431
2432     return E_NOTIMPL;
2433 }
2434
2435 static HRESULT WINAPI AudioSessionControl_GetGroupingParam(
2436         IAudioSessionControl2 *iface, GUID *group)
2437 {
2438     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2439
2440     FIXME("(%p)->(%p) - stub\n", This, group);
2441
2442     return E_NOTIMPL;
2443 }
2444
2445 static HRESULT WINAPI AudioSessionControl_SetGroupingParam(
2446         IAudioSessionControl2 *iface, const GUID *group, const GUID *session)
2447 {
2448     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2449
2450     FIXME("(%p)->(%s, %s) - stub\n", This, debugstr_guid(group),
2451             debugstr_guid(session));
2452
2453     return E_NOTIMPL;
2454 }
2455
2456 static HRESULT WINAPI AudioSessionControl_RegisterAudioSessionNotification(
2457         IAudioSessionControl2 *iface, IAudioSessionEvents *events)
2458 {
2459     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2460
2461     FIXME("(%p)->(%p) - stub\n", This, events);
2462
2463     return S_OK;
2464 }
2465
2466 static HRESULT WINAPI AudioSessionControl_UnregisterAudioSessionNotification(
2467         IAudioSessionControl2 *iface, IAudioSessionEvents *events)
2468 {
2469     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2470
2471     FIXME("(%p)->(%p) - stub\n", This, events);
2472
2473     return S_OK;
2474 }
2475
2476 static HRESULT WINAPI AudioSessionControl_GetSessionIdentifier(
2477         IAudioSessionControl2 *iface, WCHAR **id)
2478 {
2479     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2480
2481     FIXME("(%p)->(%p) - stub\n", This, id);
2482
2483     return E_NOTIMPL;
2484 }
2485
2486 static HRESULT WINAPI AudioSessionControl_GetSessionInstanceIdentifier(
2487         IAudioSessionControl2 *iface, WCHAR **id)
2488 {
2489     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2490
2491     FIXME("(%p)->(%p) - stub\n", This, id);
2492
2493     return E_NOTIMPL;
2494 }
2495
2496 static HRESULT WINAPI AudioSessionControl_GetProcessId(
2497         IAudioSessionControl2 *iface, DWORD *pid)
2498 {
2499     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2500
2501     TRACE("(%p)->(%p)\n", This, pid);
2502
2503     if(!pid)
2504         return E_POINTER;
2505
2506     *pid = GetCurrentProcessId();
2507
2508     return S_OK;
2509 }
2510
2511 static HRESULT WINAPI AudioSessionControl_IsSystemSoundsSession(
2512         IAudioSessionControl2 *iface)
2513 {
2514     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2515
2516     TRACE("(%p)\n", This);
2517
2518     return S_FALSE;
2519 }
2520
2521 static HRESULT WINAPI AudioSessionControl_SetDuckingPreference(
2522         IAudioSessionControl2 *iface, BOOL optout)
2523 {
2524     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2525
2526     TRACE("(%p)->(%d)\n", This, optout);
2527
2528     return S_OK;
2529 }
2530
2531 static const IAudioSessionControl2Vtbl AudioSessionControl2_Vtbl =
2532 {
2533     AudioSessionControl_QueryInterface,
2534     AudioSessionControl_AddRef,
2535     AudioSessionControl_Release,
2536     AudioSessionControl_GetState,
2537     AudioSessionControl_GetDisplayName,
2538     AudioSessionControl_SetDisplayName,
2539     AudioSessionControl_GetIconPath,
2540     AudioSessionControl_SetIconPath,
2541     AudioSessionControl_GetGroupingParam,
2542     AudioSessionControl_SetGroupingParam,
2543     AudioSessionControl_RegisterAudioSessionNotification,
2544     AudioSessionControl_UnregisterAudioSessionNotification,
2545     AudioSessionControl_GetSessionIdentifier,
2546     AudioSessionControl_GetSessionInstanceIdentifier,
2547     AudioSessionControl_GetProcessId,
2548     AudioSessionControl_IsSystemSoundsSession,
2549     AudioSessionControl_SetDuckingPreference
2550 };
2551
2552 static HRESULT WINAPI SimpleAudioVolume_QueryInterface(
2553         ISimpleAudioVolume *iface, REFIID riid, void **ppv)
2554 {
2555     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2556
2557     if(!ppv)
2558         return E_POINTER;
2559     *ppv = NULL;
2560
2561     if(IsEqualIID(riid, &IID_IUnknown) ||
2562             IsEqualIID(riid, &IID_ISimpleAudioVolume))
2563         *ppv = iface;
2564     if(*ppv){
2565         IUnknown_AddRef((IUnknown*)*ppv);
2566         return S_OK;
2567     }
2568
2569     WARN("Unknown interface %s\n", debugstr_guid(riid));
2570     return E_NOINTERFACE;
2571 }
2572
2573 static ULONG WINAPI SimpleAudioVolume_AddRef(ISimpleAudioVolume *iface)
2574 {
2575     AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2576     return AudioSessionControl_AddRef(&This->IAudioSessionControl2_iface);
2577 }
2578
2579 static ULONG WINAPI SimpleAudioVolume_Release(ISimpleAudioVolume *iface)
2580 {
2581     AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2582     return AudioSessionControl_Release(&This->IAudioSessionControl2_iface);
2583 }
2584
2585 static HRESULT WINAPI SimpleAudioVolume_SetMasterVolume(
2586         ISimpleAudioVolume *iface, float level, const GUID *context)
2587 {
2588     AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2589     AudioSession *session = This->session;
2590
2591     TRACE("(%p)->(%f, %s)\n", session, level, wine_dbgstr_guid(context));
2592
2593     if(level < 0.f || level > 1.f)
2594         return E_INVALIDARG;
2595
2596     if(context)
2597         FIXME("Notifications not supported yet\n");
2598
2599     EnterCriticalSection(&session->lock);
2600
2601     session->master_vol = level;
2602
2603     TRACE("OSS doesn't support setting volume\n");
2604
2605     LeaveCriticalSection(&session->lock);
2606
2607     return S_OK;
2608 }
2609
2610 static HRESULT WINAPI SimpleAudioVolume_GetMasterVolume(
2611         ISimpleAudioVolume *iface, float *level)
2612 {
2613     AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2614     AudioSession *session = This->session;
2615
2616     TRACE("(%p)->(%p)\n", session, level);
2617
2618     if(!level)
2619         return NULL_PTR_ERR;
2620
2621     *level = session->master_vol;
2622
2623     return S_OK;
2624 }
2625
2626 static HRESULT WINAPI SimpleAudioVolume_SetMute(ISimpleAudioVolume *iface,
2627         BOOL mute, const GUID *context)
2628 {
2629     AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2630     AudioSession *session = This->session;
2631
2632     TRACE("(%p)->(%u, %s)\n", session, mute, debugstr_guid(context));
2633
2634     EnterCriticalSection(&session->lock);
2635
2636     session->mute = mute;
2637
2638     LeaveCriticalSection(&session->lock);
2639
2640     return S_OK;
2641 }
2642
2643 static HRESULT WINAPI SimpleAudioVolume_GetMute(ISimpleAudioVolume *iface,
2644         BOOL *mute)
2645 {
2646     AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2647     AudioSession *session = This->session;
2648
2649     TRACE("(%p)->(%p)\n", session, mute);
2650
2651     if(!mute)
2652         return NULL_PTR_ERR;
2653
2654     *mute = This->session->mute;
2655
2656     return S_OK;
2657 }
2658
2659 static const ISimpleAudioVolumeVtbl SimpleAudioVolume_Vtbl  =
2660 {
2661     SimpleAudioVolume_QueryInterface,
2662     SimpleAudioVolume_AddRef,
2663     SimpleAudioVolume_Release,
2664     SimpleAudioVolume_SetMasterVolume,
2665     SimpleAudioVolume_GetMasterVolume,
2666     SimpleAudioVolume_SetMute,
2667     SimpleAudioVolume_GetMute
2668 };
2669
2670 static HRESULT WINAPI AudioStreamVolume_QueryInterface(
2671         IAudioStreamVolume *iface, REFIID riid, void **ppv)
2672 {
2673     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2674
2675     if(!ppv)
2676         return E_POINTER;
2677     *ppv = NULL;
2678
2679     if(IsEqualIID(riid, &IID_IUnknown) ||
2680             IsEqualIID(riid, &IID_IAudioStreamVolume))
2681         *ppv = iface;
2682     if(*ppv){
2683         IUnknown_AddRef((IUnknown*)*ppv);
2684         return S_OK;
2685     }
2686
2687     WARN("Unknown interface %s\n", debugstr_guid(riid));
2688     return E_NOINTERFACE;
2689 }
2690
2691 static ULONG WINAPI AudioStreamVolume_AddRef(IAudioStreamVolume *iface)
2692 {
2693     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2694     return IAudioClient_AddRef(&This->IAudioClient_iface);
2695 }
2696
2697 static ULONG WINAPI AudioStreamVolume_Release(IAudioStreamVolume *iface)
2698 {
2699     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2700     return IAudioClient_Release(&This->IAudioClient_iface);
2701 }
2702
2703 static HRESULT WINAPI AudioStreamVolume_GetChannelCount(
2704         IAudioStreamVolume *iface, UINT32 *out)
2705 {
2706     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2707
2708     TRACE("(%p)->(%p)\n", This, out);
2709
2710     if(!out)
2711         return E_POINTER;
2712
2713     *out = This->fmt->nChannels;
2714
2715     return S_OK;
2716 }
2717
2718 static HRESULT WINAPI AudioStreamVolume_SetChannelVolume(
2719         IAudioStreamVolume *iface, UINT32 index, float level)
2720 {
2721     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2722
2723     TRACE("(%p)->(%d, %f)\n", This, index, level);
2724
2725     if(level < 0.f || level > 1.f)
2726         return E_INVALIDARG;
2727
2728     if(index >= This->fmt->nChannels)
2729         return E_INVALIDARG;
2730
2731     EnterCriticalSection(&This->lock);
2732
2733     This->vols[index] = level;
2734
2735     TRACE("OSS doesn't support setting volume\n");
2736
2737     LeaveCriticalSection(&This->lock);
2738
2739     return S_OK;
2740 }
2741
2742 static HRESULT WINAPI AudioStreamVolume_GetChannelVolume(
2743         IAudioStreamVolume *iface, UINT32 index, float *level)
2744 {
2745     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2746
2747     TRACE("(%p)->(%d, %p)\n", This, index, level);
2748
2749     if(!level)
2750         return E_POINTER;
2751
2752     if(index >= This->fmt->nChannels)
2753         return E_INVALIDARG;
2754
2755     *level = This->vols[index];
2756
2757     return S_OK;
2758 }
2759
2760 static HRESULT WINAPI AudioStreamVolume_SetAllVolumes(
2761         IAudioStreamVolume *iface, UINT32 count, const float *levels)
2762 {
2763     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2764     int i;
2765
2766     TRACE("(%p)->(%d, %p)\n", This, count, levels);
2767
2768     if(!levels)
2769         return E_POINTER;
2770
2771     if(count != This->fmt->nChannels)
2772         return E_INVALIDARG;
2773
2774     EnterCriticalSection(&This->lock);
2775
2776     for(i = 0; i < count; ++i)
2777         This->vols[i] = levels[i];
2778
2779     TRACE("OSS doesn't support setting volume\n");
2780
2781     LeaveCriticalSection(&This->lock);
2782
2783     return S_OK;
2784 }
2785
2786 static HRESULT WINAPI AudioStreamVolume_GetAllVolumes(
2787         IAudioStreamVolume *iface, UINT32 count, float *levels)
2788 {
2789     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2790     int i;
2791
2792     TRACE("(%p)->(%d, %p)\n", This, count, levels);
2793
2794     if(!levels)
2795         return E_POINTER;
2796
2797     if(count != This->fmt->nChannels)
2798         return E_INVALIDARG;
2799
2800     EnterCriticalSection(&This->lock);
2801
2802     for(i = 0; i < count; ++i)
2803         levels[i] = This->vols[i];
2804
2805     LeaveCriticalSection(&This->lock);
2806
2807     return S_OK;
2808 }
2809
2810 static const IAudioStreamVolumeVtbl AudioStreamVolume_Vtbl =
2811 {
2812     AudioStreamVolume_QueryInterface,
2813     AudioStreamVolume_AddRef,
2814     AudioStreamVolume_Release,
2815     AudioStreamVolume_GetChannelCount,
2816     AudioStreamVolume_SetChannelVolume,
2817     AudioStreamVolume_GetChannelVolume,
2818     AudioStreamVolume_SetAllVolumes,
2819     AudioStreamVolume_GetAllVolumes
2820 };
2821
2822 static HRESULT WINAPI ChannelAudioVolume_QueryInterface(
2823         IChannelAudioVolume *iface, REFIID riid, void **ppv)
2824 {
2825     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2826
2827     if(!ppv)
2828         return E_POINTER;
2829     *ppv = NULL;
2830
2831     if(IsEqualIID(riid, &IID_IUnknown) ||
2832             IsEqualIID(riid, &IID_IChannelAudioVolume))
2833         *ppv = iface;
2834     if(*ppv){
2835         IUnknown_AddRef((IUnknown*)*ppv);
2836         return S_OK;
2837     }
2838
2839     WARN("Unknown interface %s\n", debugstr_guid(riid));
2840     return E_NOINTERFACE;
2841 }
2842
2843 static ULONG WINAPI ChannelAudioVolume_AddRef(IChannelAudioVolume *iface)
2844 {
2845     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
2846     return AudioSessionControl_AddRef(&This->IAudioSessionControl2_iface);
2847 }
2848
2849 static ULONG WINAPI ChannelAudioVolume_Release(IChannelAudioVolume *iface)
2850 {
2851     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
2852     return AudioSessionControl_Release(&This->IAudioSessionControl2_iface);
2853 }
2854
2855 static HRESULT WINAPI ChannelAudioVolume_GetChannelCount(
2856         IChannelAudioVolume *iface, UINT32 *out)
2857 {
2858     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
2859     AudioSession *session = This->session;
2860
2861     TRACE("(%p)->(%p)\n", session, out);
2862
2863     if(!out)
2864         return NULL_PTR_ERR;
2865
2866     *out = session->channel_count;
2867
2868     return S_OK;
2869 }
2870
2871 static HRESULT WINAPI ChannelAudioVolume_SetChannelVolume(
2872         IChannelAudioVolume *iface, UINT32 index, float level,
2873         const GUID *context)
2874 {
2875     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
2876     AudioSession *session = This->session;
2877
2878     TRACE("(%p)->(%d, %f, %s)\n", session, index, level,
2879             wine_dbgstr_guid(context));
2880
2881     if(level < 0.f || level > 1.f)
2882         return E_INVALIDARG;
2883
2884     if(index >= session->channel_count)
2885         return E_INVALIDARG;
2886
2887     if(context)
2888         FIXME("Notifications not supported yet\n");
2889
2890     EnterCriticalSection(&session->lock);
2891
2892     session->channel_vols[index] = level;
2893
2894     TRACE("OSS doesn't support setting volume\n");
2895
2896     LeaveCriticalSection(&session->lock);
2897
2898     return S_OK;
2899 }
2900
2901 static HRESULT WINAPI ChannelAudioVolume_GetChannelVolume(
2902         IChannelAudioVolume *iface, UINT32 index, float *level)
2903 {
2904     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
2905     AudioSession *session = This->session;
2906
2907     TRACE("(%p)->(%d, %p)\n", session, index, level);
2908
2909     if(!level)
2910         return NULL_PTR_ERR;
2911
2912     if(index >= session->channel_count)
2913         return E_INVALIDARG;
2914
2915     *level = session->channel_vols[index];
2916
2917     return S_OK;
2918 }
2919
2920 static HRESULT WINAPI ChannelAudioVolume_SetAllVolumes(
2921         IChannelAudioVolume *iface, UINT32 count, const float *levels,
2922         const GUID *context)
2923 {
2924     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
2925     AudioSession *session = This->session;
2926     int i;
2927
2928     TRACE("(%p)->(%d, %p, %s)\n", session, count, levels,
2929             wine_dbgstr_guid(context));
2930
2931     if(!levels)
2932         return NULL_PTR_ERR;
2933
2934     if(count != session->channel_count)
2935         return E_INVALIDARG;
2936
2937     if(context)
2938         FIXME("Notifications not supported yet\n");
2939
2940     EnterCriticalSection(&session->lock);
2941
2942     for(i = 0; i < count; ++i)
2943         session->channel_vols[i] = levels[i];
2944
2945     TRACE("OSS doesn't support setting volume\n");
2946
2947     LeaveCriticalSection(&session->lock);
2948
2949     return S_OK;
2950 }
2951
2952 static HRESULT WINAPI ChannelAudioVolume_GetAllVolumes(
2953         IChannelAudioVolume *iface, UINT32 count, float *levels)
2954 {
2955     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
2956     AudioSession *session = This->session;
2957     int i;
2958
2959     TRACE("(%p)->(%d, %p)\n", session, count, levels);
2960
2961     if(!levels)
2962         return NULL_PTR_ERR;
2963
2964     if(count != session->channel_count)
2965         return E_INVALIDARG;
2966
2967     for(i = 0; i < count; ++i)
2968         levels[i] = session->channel_vols[i];
2969
2970     return S_OK;
2971 }
2972
2973 static const IChannelAudioVolumeVtbl ChannelAudioVolume_Vtbl =
2974 {
2975     ChannelAudioVolume_QueryInterface,
2976     ChannelAudioVolume_AddRef,
2977     ChannelAudioVolume_Release,
2978     ChannelAudioVolume_GetChannelCount,
2979     ChannelAudioVolume_SetChannelVolume,
2980     ChannelAudioVolume_GetChannelVolume,
2981     ChannelAudioVolume_SetAllVolumes,
2982     ChannelAudioVolume_GetAllVolumes
2983 };
2984
2985 static HRESULT WINAPI AudioSessionManager_QueryInterface(IAudioSessionManager2 *iface,
2986         REFIID riid, void **ppv)
2987 {
2988     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2989
2990     if(!ppv)
2991         return E_POINTER;
2992     *ppv = NULL;
2993
2994     if(IsEqualIID(riid, &IID_IUnknown) ||
2995             IsEqualIID(riid, &IID_IAudioSessionManager) ||
2996             IsEqualIID(riid, &IID_IAudioSessionManager2))
2997         *ppv = iface;
2998     if(*ppv){
2999         IUnknown_AddRef((IUnknown*)*ppv);
3000         return S_OK;
3001     }
3002
3003     WARN("Unknown interface %s\n", debugstr_guid(riid));
3004     return E_NOINTERFACE;
3005 }
3006
3007 static ULONG WINAPI AudioSessionManager_AddRef(IAudioSessionManager2 *iface)
3008 {
3009     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
3010     ULONG ref;
3011     ref = InterlockedIncrement(&This->ref);
3012     TRACE("(%p) Refcount now %u\n", This, ref);
3013     return ref;
3014 }
3015
3016 static ULONG WINAPI AudioSessionManager_Release(IAudioSessionManager2 *iface)
3017 {
3018     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
3019     ULONG ref;
3020     ref = InterlockedDecrement(&This->ref);
3021     TRACE("(%p) Refcount now %u\n", This, ref);
3022     if(!ref)
3023         HeapFree(GetProcessHeap(), 0, This);
3024     return ref;
3025 }
3026
3027 static HRESULT WINAPI AudioSessionManager_GetAudioSessionControl(
3028         IAudioSessionManager2 *iface, const GUID *session_guid, DWORD flags,
3029         IAudioSessionControl **out)
3030 {
3031     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
3032     AudioSession *session;
3033     AudioSessionWrapper *wrapper;
3034     HRESULT hr;
3035
3036     TRACE("(%p)->(%s, %x, %p)\n", This, debugstr_guid(session_guid),
3037             flags, out);
3038
3039     hr = get_audio_session(session_guid, This->device, 0, &session);
3040     if(FAILED(hr))
3041         return hr;
3042
3043     wrapper = AudioSessionWrapper_Create(NULL);
3044     if(!wrapper)
3045         return E_OUTOFMEMORY;
3046
3047     wrapper->session = session;
3048
3049     *out = (IAudioSessionControl*)&wrapper->IAudioSessionControl2_iface;
3050
3051     return S_OK;
3052 }
3053
3054 static HRESULT WINAPI AudioSessionManager_GetSimpleAudioVolume(
3055         IAudioSessionManager2 *iface, const GUID *session_guid, DWORD flags,
3056         ISimpleAudioVolume **out)
3057 {
3058     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
3059     AudioSession *session;
3060     AudioSessionWrapper *wrapper;
3061     HRESULT hr;
3062
3063     TRACE("(%p)->(%s, %x, %p)\n", This, debugstr_guid(session_guid),
3064             flags, out);
3065
3066     hr = get_audio_session(session_guid, This->device, 0, &session);
3067     if(FAILED(hr))
3068         return hr;
3069
3070     wrapper = AudioSessionWrapper_Create(NULL);
3071     if(!wrapper)
3072         return E_OUTOFMEMORY;
3073
3074     wrapper->session = session;
3075
3076     *out = &wrapper->ISimpleAudioVolume_iface;
3077
3078     return S_OK;
3079 }
3080
3081 static HRESULT WINAPI AudioSessionManager_GetSessionEnumerator(
3082         IAudioSessionManager2 *iface, IAudioSessionEnumerator **out)
3083 {
3084     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
3085     FIXME("(%p)->(%p) - stub\n", This, out);
3086     return E_NOTIMPL;
3087 }
3088
3089 static HRESULT WINAPI AudioSessionManager_RegisterSessionNotification(
3090         IAudioSessionManager2 *iface, IAudioSessionNotification *notification)
3091 {
3092     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
3093     FIXME("(%p)->(%p) - stub\n", This, notification);
3094     return E_NOTIMPL;
3095 }
3096
3097 static HRESULT WINAPI AudioSessionManager_UnregisterSessionNotification(
3098         IAudioSessionManager2 *iface, IAudioSessionNotification *notification)
3099 {
3100     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
3101     FIXME("(%p)->(%p) - stub\n", This, notification);
3102     return E_NOTIMPL;
3103 }
3104
3105 static HRESULT WINAPI AudioSessionManager_RegisterDuckNotification(
3106         IAudioSessionManager2 *iface, const WCHAR *session_id,
3107         IAudioVolumeDuckNotification *notification)
3108 {
3109     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
3110     FIXME("(%p)->(%p) - stub\n", This, notification);
3111     return E_NOTIMPL;
3112 }
3113
3114 static HRESULT WINAPI AudioSessionManager_UnregisterDuckNotification(
3115         IAudioSessionManager2 *iface,
3116         IAudioVolumeDuckNotification *notification)
3117 {
3118     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
3119     FIXME("(%p)->(%p) - stub\n", This, notification);
3120     return E_NOTIMPL;
3121 }
3122
3123 static const IAudioSessionManager2Vtbl AudioSessionManager2_Vtbl =
3124 {
3125     AudioSessionManager_QueryInterface,
3126     AudioSessionManager_AddRef,
3127     AudioSessionManager_Release,
3128     AudioSessionManager_GetAudioSessionControl,
3129     AudioSessionManager_GetSimpleAudioVolume,
3130     AudioSessionManager_GetSessionEnumerator,
3131     AudioSessionManager_RegisterSessionNotification,
3132     AudioSessionManager_UnregisterSessionNotification,
3133     AudioSessionManager_RegisterDuckNotification,
3134     AudioSessionManager_UnregisterDuckNotification
3135 };
3136
3137 HRESULT WINAPI AUDDRV_GetAudioSessionManager(IMMDevice *device,
3138         IAudioSessionManager2 **out)
3139 {
3140     SessionMgr *This;
3141
3142     This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(SessionMgr));
3143     if(!This)
3144         return E_OUTOFMEMORY;
3145
3146     This->IAudioSessionManager2_iface.lpVtbl = &AudioSessionManager2_Vtbl;
3147     This->device = device;
3148     This->ref = 1;
3149
3150     *out = &This->IAudioSessionManager2_iface;
3151
3152     return S_OK;
3153 }