dlls/winepulse.drv/mmdevdrv.c

   1 /*
   2  * Copyright 2011-2012 Maarten Lankhorst
   3  * Copyright 2010-2011 Maarten Lankhorst for CodeWeavers
   4  * Copyright 2011 Andrew Eikum for CodeWeavers
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  *
  20  * Pulseaudio driver support.. hell froze over
  21  */
  22
  23 #define NONAMELESSUNION
  24 #define COBJMACROS
  25 #include "config.h"
  26 #include <poll.h>
  27 #include <pthread.h>
  28
  29 #include <stdarg.h>
  30 #include <unistd.h>
  31 #include <math.h>
  32 #include <stdio.h>
  33
  34 #include <pulse/pulseaudio.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 "dshow.h"
  46 #include "dsound.h"
  47 #include "propsys.h"
  48
  49 #include "initguid.h"
  50 #include "ks.h"
  51 #include "ksmedia.h"
  52 #include "mmdeviceapi.h"
  53 #include "audioclient.h"
  54 #include "endpointvolume.h"
  55 #include "audiopolicy.h"
  56
  57 #include "wine/list.h"
  58
  59 #define NULL_PTR_ERR MAKE_HRESULT(SEVERITY_ERROR, FACILITY_WIN32, RPC_X_NULL_REF_POINTER)
  60
  61 WINE_DEFAULT_DEBUG_CHANNEL(pulse);
  62 WINE_DECLARE_DEBUG_CHANNEL(winediag);
  63
  64 static const REFERENCE_TIME MinimumPeriod = 30000;
  65 static const REFERENCE_TIME DefaultPeriod = 100000;
  66
  67 static pa_context *pulse_ctx;
  68 static pa_mainloop *pulse_ml;
  69
  70 static HANDLE pulse_thread;
  71 static pthread_mutex_t pulse_lock = PTHREAD_MUTEX_INITIALIZER;
  72 static pthread_cond_t pulse_cond = PTHREAD_COND_INITIALIZER;
  73 static struct list g_sessions = LIST_INIT(g_sessions);
  74
  75 /* Mixer format + period times */
  76 static WAVEFORMATEXTENSIBLE pulse_fmt[2];
  77 static REFERENCE_TIME pulse_min_period[2], pulse_def_period[2];
  78
  79 static DWORD pulse_stream_volume;
  80
  81 const WCHAR pulse_keyW[] = {'S','o','f','t','w','a','r','e','\\',
  82     'W','i','n','e','\\','P','u','l','s','e',0};
  83 const WCHAR pulse_streamW[] = { 'S','t','r','e','a','m','V','o','l',0 };
  84
  85 static GUID pulse_render_guid =
  86 { 0xfd47d9cc, 0x4218, 0x4135, { 0x9c, 0xe2, 0x0c, 0x19, 0x5c, 0x87, 0x40, 0x5b } };
  87 static GUID pulse_capture_guid =
  88 { 0x25da76d0, 0x033c, 0x4235, { 0x90, 0x02, 0x19, 0xf4, 0x88, 0x94, 0xac, 0x6f } };
  89
  90 static HANDLE warn_once;
  91
  92 BOOL WINAPI DllMain(HINSTANCE dll, DWORD reason, void *reserved)
  93 {
  94     if (reason == DLL_PROCESS_ATTACH) {
  95         HKEY key;
  96         if (RegOpenKeyW(HKEY_CURRENT_USER, pulse_keyW, &key) == ERROR_SUCCESS) {
  97             DWORD size = sizeof(pulse_stream_volume);
  98             RegQueryValueExW(key, pulse_streamW, 0, NULL,
  99                              (BYTE*)&pulse_stream_volume, &size);
 100             RegCloseKey(key);
 101         }
 102         DisableThreadLibraryCalls(dll);
 103     } else if (reason == DLL_PROCESS_DETACH) {
 104         if (pulse_ctx) {
 105            pa_context_disconnect(pulse_ctx);
 106            pa_context_unref(pulse_ctx);
 107         }
 108         if (pulse_ml)
 109             pa_mainloop_quit(pulse_ml, 0);
 110         if (pulse_thread)
 111             CloseHandle(pulse_thread);
 112         if (warn_once)
 113             CloseHandle(warn_once);
 114     }
 115     return TRUE;
 116 }
 117
 118 typedef struct ACImpl ACImpl;
 119
 120 typedef struct _AudioSession {
 121     GUID guid;
 122     struct list clients;
 123
 124     IMMDevice *device;
 125
 126     float master_vol;
 127     UINT32 channel_count;
 128     float *channel_vols;
 129     BOOL mute;
 130
 131     struct list entry;
 132 } AudioSession;
 133
 134 typedef struct _AudioSessionWrapper {
 135     IAudioSessionControl2 IAudioSessionControl2_iface;
 136     IChannelAudioVolume IChannelAudioVolume_iface;
 137     ISimpleAudioVolume ISimpleAudioVolume_iface;
 138
 139     LONG ref;
 140
 141     ACImpl *client;
 142     AudioSession *session;
 143 } AudioSessionWrapper;
 144
 145 typedef struct _ACPacket {
 146     struct list entry;
 147     UINT64 qpcpos;
 148     BYTE *data;
 149     UINT32 discont;
 150 } ACPacket;
 151
 152 struct ACImpl {
 153     IAudioClient IAudioClient_iface;
 154     IAudioRenderClient IAudioRenderClient_iface;
 155     IAudioCaptureClient IAudioCaptureClient_iface;
 156     IAudioClock IAudioClock_iface;
 157     IAudioClock2 IAudioClock2_iface;
 158     IAudioStreamVolume IAudioStreamVolume_iface;
 159     IMMDevice *parent;
 160     struct list entry;
 161     float vol[PA_CHANNELS_MAX];
 162
 163     LONG ref;
 164     EDataFlow dataflow;
 165     DWORD flags;
 166     AUDCLNT_SHAREMODE share;
 167     HANDLE event;
 168
 169     UINT32 bufsize_frames, bufsize_bytes, locked, capture_period, pad, started, peek_ofs;
 170     void *locked_ptr, *tmp_buffer;
 171
 172     pa_stream *stream;
 173     pa_sample_spec ss;
 174     pa_channel_map map;
 175
 176     INT64 clock_lastpos, clock_written;
 177
 178     AudioSession *session;
 179     AudioSessionWrapper *session_wrapper;
 180     struct list packet_free_head;
 181     struct list packet_filled_head;
 182 };
 183
 184 static const WCHAR defaultW[] = {'P','u','l','s','e','a','u','d','i','o',0};
 185
 186 static const IAudioClientVtbl AudioClient_Vtbl;
 187 static const IAudioRenderClientVtbl AudioRenderClient_Vtbl;
 188 static const IAudioCaptureClientVtbl AudioCaptureClient_Vtbl;
 189 static const IAudioSessionControl2Vtbl AudioSessionControl2_Vtbl;
 190 static const ISimpleAudioVolumeVtbl SimpleAudioVolume_Vtbl;
 191 static const IChannelAudioVolumeVtbl ChannelAudioVolume_Vtbl;
 192 static const IAudioClockVtbl AudioClock_Vtbl;
 193 static const IAudioClock2Vtbl AudioClock2_Vtbl;
 194 static const IAudioStreamVolumeVtbl AudioStreamVolume_Vtbl;
 195
 196 static AudioSessionWrapper *AudioSessionWrapper_Create(ACImpl *client);
 197
 198 static inline ACImpl *impl_from_IAudioClient(IAudioClient *iface)
 199 {
 200     return CONTAINING_RECORD(iface, ACImpl, IAudioClient_iface);
 201 }
 202
 203 static inline ACImpl *impl_from_IAudioRenderClient(IAudioRenderClient *iface)
 204 {
 205     return CONTAINING_RECORD(iface, ACImpl, IAudioRenderClient_iface);
 206 }
 207
 208 static inline ACImpl *impl_from_IAudioCaptureClient(IAudioCaptureClient *iface)
 209 {
 210     return CONTAINING_RECORD(iface, ACImpl, IAudioCaptureClient_iface);
 211 }
 212
 213 static inline AudioSessionWrapper *impl_from_IAudioSessionControl2(IAudioSessionControl2 *iface)
 214 {
 215     return CONTAINING_RECORD(iface, AudioSessionWrapper, IAudioSessionControl2_iface);
 216 }
 217
 218 static inline AudioSessionWrapper *impl_from_ISimpleAudioVolume(ISimpleAudioVolume *iface)
 219 {
 220     return CONTAINING_RECORD(iface, AudioSessionWrapper, ISimpleAudioVolume_iface);
 221 }
 222
 223 static inline AudioSessionWrapper *impl_from_IChannelAudioVolume(IChannelAudioVolume *iface)
 224 {
 225     return CONTAINING_RECORD(iface, AudioSessionWrapper, IChannelAudioVolume_iface);
 226 }
 227
 228 static inline ACImpl *impl_from_IAudioClock(IAudioClock *iface)
 229 {
 230     return CONTAINING_RECORD(iface, ACImpl, IAudioClock_iface);
 231 }
 232
 233 static inline ACImpl *impl_from_IAudioClock2(IAudioClock2 *iface)
 234 {
 235     return CONTAINING_RECORD(iface, ACImpl, IAudioClock2_iface);
 236 }
 237
 238 static inline ACImpl *impl_from_IAudioStreamVolume(IAudioStreamVolume *iface)
 239 {
 240     return CONTAINING_RECORD(iface, ACImpl, IAudioStreamVolume_iface);
 241 }
 242
 243 /* Following pulseaudio design here, mainloop has the lock taken whenever
 244  * it is handling something for pulse, and the lock is required whenever
 245  * doing any pa_* call that can affect the state in any way
 246  *
 247  * pa_cond_wait is used when waiting on results, because the mainloop needs
 248  * the same lock taken to affect the state
 249  *
 250  * This is basically the same as the pa_threaded_mainloop implementation,
 251  * but that cannot be used because it uses pthread_create directly
 252  *
 253  * pa_threaded_mainloop_(un)lock -> pthread_mutex_(un)lock
 254  * pa_threaded_mainloop_signal -> pthread_cond_signal
 255  * pa_threaded_mainloop_wait -> pthread_cond_wait
 256  */
 257
 258 static int pulse_poll_func(struct pollfd *ufds, unsigned long nfds, int timeout, void *userdata) {
 259     int r;
 260     pthread_mutex_unlock(&pulse_lock);
 261     r = poll(ufds, nfds, timeout);
 262     pthread_mutex_lock(&pulse_lock);
 263     return r;
 264 }
 265
 266 static DWORD CALLBACK pulse_mainloop_thread(void *tmp) {
 267     int ret;
 268     pulse_ml = pa_mainloop_new();
 269     pa_mainloop_set_poll_func(pulse_ml, pulse_poll_func, NULL);
 270     pthread_mutex_lock(&pulse_lock);
 271     pthread_cond_signal(&pulse_cond);
 272     pa_mainloop_run(pulse_ml, &ret);
 273     pthread_mutex_unlock(&pulse_lock);
 274     pa_mainloop_free(pulse_ml);
 275     CloseHandle(pulse_thread);
 276     return ret;
 277 }
 278
 279 static void pulse_contextcallback(pa_context *c, void *userdata);
 280 static void pulse_stream_state(pa_stream *s, void *user);
 281
 282 static const enum pa_channel_position pulse_pos_from_wfx[] = {
 283     PA_CHANNEL_POSITION_FRONT_LEFT,
 284     PA_CHANNEL_POSITION_FRONT_RIGHT,
 285     PA_CHANNEL_POSITION_FRONT_CENTER,
 286     PA_CHANNEL_POSITION_LFE,
 287     PA_CHANNEL_POSITION_REAR_LEFT,
 288     PA_CHANNEL_POSITION_REAR_RIGHT,
 289     PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER,
 290     PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER,
 291     PA_CHANNEL_POSITION_REAR_CENTER,
 292     PA_CHANNEL_POSITION_SIDE_LEFT,
 293     PA_CHANNEL_POSITION_SIDE_RIGHT,
 294     PA_CHANNEL_POSITION_TOP_CENTER,
 295     PA_CHANNEL_POSITION_TOP_FRONT_LEFT,
 296     PA_CHANNEL_POSITION_TOP_FRONT_CENTER,
 297     PA_CHANNEL_POSITION_TOP_FRONT_RIGHT,
 298     PA_CHANNEL_POSITION_TOP_REAR_LEFT,
 299     PA_CHANNEL_POSITION_TOP_REAR_CENTER,
 300     PA_CHANNEL_POSITION_TOP_REAR_RIGHT
 301 };
 302
 303 static void pulse_probe_settings(int render, WAVEFORMATEXTENSIBLE *fmt) {
 304     WAVEFORMATEX *wfx = &fmt->Format;
 305     pa_stream *stream;
 306     pa_channel_map map;
 307     pa_sample_spec ss;
 308     pa_buffer_attr attr;
 309     int ret, i;
 310     unsigned int length = 0;
 311
 312     pa_channel_map_init_auto(&map, 2, PA_CHANNEL_MAP_ALSA);
 313     ss.rate = 48000;
 314     ss.format = PA_SAMPLE_FLOAT32LE;
 315     ss.channels = map.channels;
 316
 317     attr.maxlength = -1;
 318     attr.tlength = -1;
 319     attr.minreq = attr.fragsize = pa_frame_size(&ss);
 320     attr.prebuf = 0;
 321
 322     stream = pa_stream_new(pulse_ctx, "format test stream", &ss, &map);
 323     if (stream)
 324         pa_stream_set_state_callback(stream, pulse_stream_state, NULL);
 325     if (!stream)
 326         ret = -1;
 327     else if (render)
 328         ret = pa_stream_connect_playback(stream, NULL, &attr,
 329         PA_STREAM_START_CORKED|PA_STREAM_FIX_RATE|PA_STREAM_FIX_CHANNELS|PA_STREAM_EARLY_REQUESTS, NULL, NULL);
 330     else
 331         ret = pa_stream_connect_record(stream, NULL, &attr, PA_STREAM_START_CORKED|PA_STREAM_FIX_RATE|PA_STREAM_FIX_CHANNELS|PA_STREAM_EARLY_REQUESTS);
 332     if (ret >= 0) {
 333         while (pa_stream_get_state(stream) == PA_STREAM_CREATING)
 334             pthread_cond_wait(&pulse_cond, &pulse_lock);
 335         if (pa_stream_get_state(stream) == PA_STREAM_READY) {
 336             ss = *pa_stream_get_sample_spec(stream);
 337             map = *pa_stream_get_channel_map(stream);
 338             if (render)
 339                 length = pa_stream_get_buffer_attr(stream)->minreq;
 340             else
 341                 length = pa_stream_get_buffer_attr(stream)->fragsize;
 342             pa_stream_disconnect(stream);
 343             while (pa_stream_get_state(stream) == PA_STREAM_READY)
 344                 pthread_cond_wait(&pulse_cond, &pulse_lock);
 345         }
 346     }
 347     if (stream)
 348         pa_stream_unref(stream);
 349     if (length)
 350         pulse_def_period[!render] = pulse_min_period[!render] = pa_bytes_to_usec(10 * length, &ss);
 351     else
 352         pulse_min_period[!render] = MinimumPeriod;
 353     if (pulse_def_period[!render] <= DefaultPeriod)
 354         pulse_def_period[!render] = DefaultPeriod;
 355
 356     wfx->wFormatTag = WAVE_FORMAT_EXTENSIBLE;
 357     wfx->cbSize = sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX);
 358     wfx->nChannels = ss.channels;
 359     wfx->wBitsPerSample = 8 * pa_sample_size_of_format(ss.format);
 360     wfx->nSamplesPerSec = ss.rate;
 361     wfx->nBlockAlign = pa_frame_size(&ss);
 362     wfx->nAvgBytesPerSec = wfx->nSamplesPerSec * wfx->nBlockAlign;
 363     if (ss.format != PA_SAMPLE_S24_32LE)
 364         fmt->Samples.wValidBitsPerSample = wfx->wBitsPerSample;
 365     else
 366         fmt->Samples.wValidBitsPerSample = 24;
 367     if (ss.format == PA_SAMPLE_FLOAT32LE)
 368         fmt->SubFormat = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
 369     else
 370         fmt->SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
 371
 372     fmt->dwChannelMask = 0;
 373     for (i = 0; i < map.channels; ++i)
 374         switch (map.map[i]) {
 375             default: FIXME("Unhandled channel %s\n", pa_channel_position_to_string(map.map[i])); break;
 376             case PA_CHANNEL_POSITION_FRONT_LEFT: fmt->dwChannelMask |= SPEAKER_FRONT_LEFT; break;
 377             case PA_CHANNEL_POSITION_MONO:
 378             case PA_CHANNEL_POSITION_FRONT_CENTER: fmt->dwChannelMask |= SPEAKER_FRONT_CENTER; break;
 379             case PA_CHANNEL_POSITION_FRONT_RIGHT: fmt->dwChannelMask |= SPEAKER_FRONT_RIGHT; break;
 380             case PA_CHANNEL_POSITION_REAR_LEFT: fmt->dwChannelMask |= SPEAKER_BACK_LEFT; break;
 381             case PA_CHANNEL_POSITION_REAR_CENTER: fmt->dwChannelMask |= SPEAKER_BACK_CENTER; break;
 382             case PA_CHANNEL_POSITION_REAR_RIGHT: fmt->dwChannelMask |= SPEAKER_BACK_RIGHT; break;
 383             case PA_CHANNEL_POSITION_LFE: fmt->dwChannelMask |= SPEAKER_LOW_FREQUENCY; break;
 384             case PA_CHANNEL_POSITION_SIDE_LEFT: fmt->dwChannelMask |= SPEAKER_SIDE_LEFT; break;
 385             case PA_CHANNEL_POSITION_SIDE_RIGHT: fmt->dwChannelMask |= SPEAKER_SIDE_RIGHT; break;
 386             case PA_CHANNEL_POSITION_TOP_CENTER: fmt->dwChannelMask |= SPEAKER_TOP_CENTER; break;
 387             case PA_CHANNEL_POSITION_TOP_FRONT_LEFT: fmt->dwChannelMask |= SPEAKER_TOP_FRONT_LEFT; break;
 388             case PA_CHANNEL_POSITION_TOP_FRONT_CENTER: fmt->dwChannelMask |= SPEAKER_TOP_FRONT_CENTER; break;
 389             case PA_CHANNEL_POSITION_TOP_FRONT_RIGHT: fmt->dwChannelMask |= SPEAKER_TOP_FRONT_RIGHT; break;
 390             case PA_CHANNEL_POSITION_TOP_REAR_LEFT: fmt->dwChannelMask |= SPEAKER_TOP_BACK_LEFT; break;
 391             case PA_CHANNEL_POSITION_TOP_REAR_CENTER: fmt->dwChannelMask |= SPEAKER_TOP_BACK_CENTER; break;
 392             case PA_CHANNEL_POSITION_TOP_REAR_RIGHT: fmt->dwChannelMask |= SPEAKER_TOP_BACK_RIGHT; break;
 393         }
 394 }
 395
 396 static HRESULT pulse_connect(void)
 397 {
 398     int len;
 399     WCHAR path[PATH_MAX], *name;
 400     char *str;
 401
 402     if (!pulse_thread)
 403     {
 404         if (!(pulse_thread = CreateThread(NULL, 0, pulse_mainloop_thread, NULL, 0, NULL)))
 405         {
 406             ERR("Failed to create mainloop thread.");
 407             return E_FAIL;
 408         }
 409         SetThreadPriority(pulse_thread, THREAD_PRIORITY_TIME_CRITICAL);
 410         pthread_cond_wait(&pulse_cond, &pulse_lock);
 411     }
 412
 413     if (pulse_ctx && PA_CONTEXT_IS_GOOD(pa_context_get_state(pulse_ctx)))
 414         return S_OK;
 415     if (pulse_ctx)
 416         pa_context_unref(pulse_ctx);
 417
 418     GetModuleFileNameW(NULL, path, sizeof(path)/sizeof(*path));
 419     name = strrchrW(path, '\\');
 420     if (!name)
 421         name = path;
 422     else
 423         name++;
 424     len = WideCharToMultiByte(CP_UNIXCP, 0, name, -1, NULL, 0, NULL, NULL);
 425     str = pa_xmalloc(len);
 426     WideCharToMultiByte(CP_UNIXCP, 0, name, -1, str, len, NULL, NULL);
 427     TRACE("Name: %s\n", str);
 428     pulse_ctx = pa_context_new(pa_mainloop_get_api(pulse_ml), str);
 429     pa_xfree(str);
 430     if (!pulse_ctx) {
 431         ERR("Failed to create context\n");
 432         return E_FAIL;
 433     }
 434
 435     pa_context_set_state_callback(pulse_ctx, pulse_contextcallback, NULL);
 436
 437     TRACE("libpulse protocol version: %u. API Version %u\n", pa_context_get_protocol_version(pulse_ctx), PA_API_VERSION);
 438     if (pa_context_connect(pulse_ctx, NULL, 0, NULL) < 0)
 439         goto fail;
 440
 441     /* Wait for connection */
 442     while (pthread_cond_wait(&pulse_cond, &pulse_lock)) {
 443         pa_context_state_t state = pa_context_get_state(pulse_ctx);
 444
 445         if (state == PA_CONTEXT_FAILED || state == PA_CONTEXT_TERMINATED)
 446             goto fail;
 447
 448         if (state == PA_CONTEXT_READY)
 449             break;
 450     }
 451
 452     TRACE("Connected to server %s with protocol version: %i.\n",
 453         pa_context_get_server(pulse_ctx),
 454         pa_context_get_server_protocol_version(pulse_ctx));
 455     pulse_probe_settings(1, &pulse_fmt[0]);
 456     pulse_probe_settings(0, &pulse_fmt[1]);
 457     return S_OK;
 458
 459 fail:
 460     pa_context_unref(pulse_ctx);
 461     pulse_ctx = NULL;
 462     return E_FAIL;
 463 }
 464
 465 static void pulse_contextcallback(pa_context *c, void *userdata) {
 466     switch (pa_context_get_state(c)) {
 467         default:
 468             FIXME("Unhandled state: %i\n", pa_context_get_state(c));
 469         case PA_CONTEXT_CONNECTING:
 470         case PA_CONTEXT_UNCONNECTED:
 471         case PA_CONTEXT_AUTHORIZING:
 472         case PA_CONTEXT_SETTING_NAME:
 473         case PA_CONTEXT_TERMINATED:
 474             TRACE("State change to %i\n", pa_context_get_state(c));
 475             return;
 476
 477         case PA_CONTEXT_READY:
 478             TRACE("Ready\n");
 479             break;
 480
 481         case PA_CONTEXT_FAILED:
 482             ERR("Context failed: %s\n", pa_strerror(pa_context_errno(c)));
 483             break;
 484     }
 485     pthread_cond_signal(&pulse_cond);
 486 }
 487
 488 static HRESULT pulse_stream_valid(ACImpl *This) {
 489     if (!This->stream)
 490         return AUDCLNT_E_NOT_INITIALIZED;
 491     if (!This->stream || pa_stream_get_state(This->stream) != PA_STREAM_READY)
 492         return AUDCLNT_E_DEVICE_INVALIDATED;
 493     return S_OK;
 494 }
 495
 496 static void dump_attr(const pa_buffer_attr *attr) {
 497     TRACE("maxlength: %u\n", attr->maxlength);
 498     TRACE("minreq: %u\n", attr->minreq);
 499     TRACE("fragsize: %u\n", attr->fragsize);
 500     TRACE("tlength: %u\n", attr->tlength);
 501     TRACE("prebuf: %u\n", attr->prebuf);
 502 }
 503
 504 static void pulse_op_cb(pa_stream *s, int success, void *user) {
 505     TRACE("Success: %i\n", success);
 506     *(int*)user = success;
 507     pthread_cond_signal(&pulse_cond);
 508 }
 509
 510 static void pulse_ctx_op_cb(pa_context *c, int success, void *user) {
 511     TRACE("Success: %i\n", success);
 512     *(int*)user = success;
 513     pthread_cond_signal(&pulse_cond);
 514 }
 515
 516 static void pulse_attr_update(pa_stream *s, void *user) {
 517     const pa_buffer_attr *attr = pa_stream_get_buffer_attr(s);
 518     TRACE("New attributes or device moved:\n");
 519     dump_attr(attr);
 520 }
 521
 522 static void pulse_wr_callback(pa_stream *s, size_t bytes, void *userdata)
 523 {
 524     ACImpl *This = userdata;
 525     UINT32 oldpad = This->pad;
 526
 527     if (bytes < This->bufsize_bytes)
 528         This->pad = This->bufsize_bytes - bytes;
 529     else
 530         This->pad = 0;
 531
 532     assert(oldpad >= This->pad);
 533
 534     This->clock_written += oldpad - This->pad;
 535     TRACE("New pad: %zu (-%zu)\n", This->pad / pa_frame_size(&This->ss), (oldpad - This->pad) / pa_frame_size(&This->ss));
 536
 537     if (This->event)
 538         SetEvent(This->event);
 539 }
 540
 541 static void pulse_underflow_callback(pa_stream *s, void *userdata)
 542 {
 543     WARN("Underflow\n");
 544 }
 545
 546 /* Latency is periodically updated even when nothing is played,
 547  * because of PA_STREAM_AUTO_TIMING_UPDATE so use it as timer
 548  *
 549  * Perfect for passing all tests :)
 550  */
 551 static void pulse_latency_callback(pa_stream *s, void *userdata)
 552 {
 553     ACImpl *This = userdata;
 554     if (!This->pad && This->event)
 555         SetEvent(This->event);
 556 }
 557
 558 static void pulse_started_callback(pa_stream *s, void *userdata)
 559 {
 560     ACImpl *This = userdata;
 561
 562     TRACE("(Re)started playing\n");
 563     if (This->event)
 564         SetEvent(This->event);
 565 }
 566
 567 static void pulse_rd_loop(ACImpl *This, size_t bytes)
 568 {
 569     while (bytes >= This->capture_period) {
 570         ACPacket *p, *next;
 571         LARGE_INTEGER stamp, freq;
 572         BYTE *dst, *src;
 573         size_t src_len, copy, rem = This->capture_period;
 574         if (!(p = (ACPacket*)list_head(&This->packet_free_head))) {
 575             p = (ACPacket*)list_head(&This->packet_filled_head);
 576             if (!p->discont) {
 577                 next = (ACPacket*)p->entry.next;
 578                 next->discont = 1;
 579             } else
 580                 p = (ACPacket*)list_tail(&This->packet_filled_head);
 581             assert(This->pad == This->bufsize_bytes);
 582         } else {
 583             assert(This->pad < This->bufsize_bytes);
 584             This->pad += This->capture_period;
 585             assert(This->pad <= This->bufsize_bytes);
 586         }
 587         QueryPerformanceCounter(&stamp);
 588         QueryPerformanceFrequency(&freq);
 589         p->qpcpos = (stamp.QuadPart * (INT64)10000000) / freq.QuadPart;
 590         p->discont = 0;
 591         list_remove(&p->entry);
 592         list_add_tail(&This->packet_filled_head, &p->entry);
 593
 594         dst = p->data;
 595         while (rem) {
 596             pa_stream_peek(This->stream, (const void**)&src, &src_len);
 597             assert(src_len);
 598             assert(This->peek_ofs < src_len);
 599             src += This->peek_ofs;
 600             src_len -= This->peek_ofs;
 601             assert(src_len <= bytes);
 602
 603             copy = rem;
 604             if (copy > src_len)
 605                 copy = src_len;
 606             memcpy(dst, src, rem);
 607             src += copy;
 608             src_len -= copy;
 609             dst += copy;
 610             rem -= copy;
 611
 612             if (!src_len) {
 613                 This->peek_ofs = 0;
 614                 pa_stream_drop(This->stream);
 615             } else
 616                 This->peek_ofs += copy;
 617         }
 618         bytes -= This->capture_period;
 619     }
 620 }
 621
 622 static void pulse_rd_drop(ACImpl *This, size_t bytes)
 623 {
 624     while (bytes >= This->capture_period) {
 625         size_t src_len, copy, rem = This->capture_period;
 626         while (rem) {
 627             const void *src;
 628             pa_stream_peek(This->stream, &src, &src_len);
 629             assert(src_len);
 630             assert(This->peek_ofs < src_len);
 631             src_len -= This->peek_ofs;
 632             assert(src_len <= bytes);
 633
 634             copy = rem;
 635             if (copy > src_len)
 636                 copy = src_len;
 637
 638             src_len -= copy;
 639             rem -= copy;
 640
 641             if (!src_len) {
 642                 This->peek_ofs = 0;
 643                 pa_stream_drop(This->stream);
 644             } else
 645                 This->peek_ofs += copy;
 646             bytes -= copy;
 647         }
 648     }
 649 }
 650
 651 static void pulse_rd_callback(pa_stream *s, size_t bytes, void *userdata)
 652 {
 653     ACImpl *This = userdata;
 654
 655     TRACE("Readable total: %zu, fragsize: %u\n", bytes, pa_stream_get_buffer_attr(s)->fragsize);
 656     assert(bytes >= This->peek_ofs);
 657     bytes -= This->peek_ofs;
 658     if (bytes < This->capture_period)
 659         return;
 660
 661     if (This->started)
 662         pulse_rd_loop(This, bytes);
 663     else
 664         pulse_rd_drop(This, bytes);
 665
 666     if (This->event)
 667         SetEvent(This->event);
 668 }
 669
 670 static void pulse_stream_state(pa_stream *s, void *user)
 671 {
 672     pa_stream_state_t state = pa_stream_get_state(s);
 673     TRACE("Stream state changed to %i\n", state);
 674     pthread_cond_signal(&pulse_cond);
 675 }
 676
 677 static HRESULT pulse_stream_connect(ACImpl *This, UINT32 period_bytes) {
 678     int ret;
 679     char buffer[64];
 680     static LONG number;
 681     pa_buffer_attr attr;
 682     if (This->stream) {
 683         pa_stream_disconnect(This->stream);
 684         while (pa_stream_get_state(This->stream) == PA_STREAM_READY)
 685             pthread_cond_wait(&pulse_cond, &pulse_lock);
 686         pa_stream_unref(This->stream);
 687     }
 688     ret = InterlockedIncrement(&number);
 689     sprintf(buffer, "audio stream #%i", ret);
 690     This->stream = pa_stream_new(pulse_ctx, buffer, &This->ss, &This->map);
 691     pa_stream_set_state_callback(This->stream, pulse_stream_state, This);
 692     pa_stream_set_buffer_attr_callback(This->stream, pulse_attr_update, This);
 693     pa_stream_set_moved_callback(This->stream, pulse_attr_update, This);
 694
 695     /* Pulseaudio will fill in correct values */
 696     attr.minreq = attr.fragsize = period_bytes;
 697     attr.maxlength = attr.tlength = This->bufsize_bytes;
 698     attr.prebuf = pa_frame_size(&This->ss);
 699     dump_attr(&attr);
 700     if (This->dataflow == eRender)
 701         ret = pa_stream_connect_playback(This->stream, NULL, &attr,
 702         PA_STREAM_START_CORKED|PA_STREAM_START_UNMUTED|PA_STREAM_AUTO_TIMING_UPDATE|PA_STREAM_INTERPOLATE_TIMING|PA_STREAM_EARLY_REQUESTS, NULL, NULL);
 703     else
 704         ret = pa_stream_connect_record(This->stream, NULL, &attr,
 705         PA_STREAM_START_CORKED|PA_STREAM_START_UNMUTED|PA_STREAM_AUTO_TIMING_UPDATE|PA_STREAM_INTERPOLATE_TIMING|PA_STREAM_EARLY_REQUESTS);
 706     if (ret < 0) {
 707         WARN("Returns %i\n", ret);
 708         return AUDCLNT_E_ENDPOINT_CREATE_FAILED;
 709     }
 710     while (pa_stream_get_state(This->stream) == PA_STREAM_CREATING)
 711         pthread_cond_wait(&pulse_cond, &pulse_lock);
 712     if (pa_stream_get_state(This->stream) != PA_STREAM_READY)
 713         return AUDCLNT_E_ENDPOINT_CREATE_FAILED;
 714
 715     if (This->dataflow == eRender) {
 716         pa_stream_set_write_callback(This->stream, pulse_wr_callback, This);
 717         pa_stream_set_underflow_callback(This->stream, pulse_underflow_callback, This);
 718         pa_stream_set_started_callback(This->stream, pulse_started_callback, This);
 719     } else
 720         pa_stream_set_read_callback(This->stream, pulse_rd_callback, This);
 721     return S_OK;
 722 }
 723
 724 HRESULT WINAPI AUDDRV_GetEndpointIDs(EDataFlow flow, const WCHAR ***ids, GUID **keys,
 725         UINT *num, UINT *def_index)
 726 {
 727     HRESULT hr = S_OK;
 728     TRACE("%d %p %p %p\n", flow, ids, num, def_index);
 729
 730     pthread_mutex_lock(&pulse_lock);
 731     hr = pulse_connect();
 732     pthread_mutex_unlock(&pulse_lock);
 733     if (FAILED(hr))
 734         return hr;
 735     *num = 1;
 736     *def_index = 0;
 737
 738     *ids = HeapAlloc(GetProcessHeap(), 0, sizeof(**ids));
 739     if (!*ids)
 740         return E_OUTOFMEMORY;
 741     (*ids)[0] = defaultW;
 742
 743     *keys = HeapAlloc(GetProcessHeap(), 0, sizeof(**keys));
 744     if (!*keys) {
 745         HeapFree(GetProcessHeap(), 0, *ids);
 746         *ids = NULL;
 747         return E_OUTOFMEMORY;
 748     }
 749     if (flow == eRender)
 750         (*keys)[0] = pulse_render_guid;
 751     else
 752         (*keys)[0] = pulse_capture_guid;
 753
 754     return S_OK;
 755 }
 756
 757 int WINAPI AUDDRV_GetPriority(void)
 758 {
 759     HRESULT hr;
 760     if (getenv("WINENOPULSE")) {
 761         FIXME_(winediag)("winepulse has been temporarily disabled through the environment\n");
 762         return 0;
 763     }
 764     pthread_mutex_lock(&pulse_lock);
 765     hr = pulse_connect();
 766     pthread_mutex_unlock(&pulse_lock);
 767     return SUCCEEDED(hr) ? 3 : 0;
 768 }
 769
 770 HRESULT WINAPI AUDDRV_GetAudioEndpoint(GUID *guid, IMMDevice *dev, IAudioClient **out)
 771 {
 772     HRESULT hr;
 773     ACImpl *This;
 774     int i;
 775     EDataFlow dataflow;
 776
 777     /* Give one visible warning per session
 778      * Sadly wine has chosen not to accept the winepulse patch, so support ourselves
 779      */
 780     if (!warn_once && (warn_once = CreateEventA(0, 0, 0, "__winepulse_warn_event")) && GetLastError() != ERROR_ALREADY_EXISTS) {
 781         FIXME_(winediag)("Winepulse is not officially supported by the wine project\n");
 782         FIXME_(winediag)("For sound related feedback and support, please visit http://ubuntuforums.org/showthread.php?t=1960599\n");
 783     } else {
 784         WARN_(winediag)("Winepulse is not officially supported by the wine project\n");
 785         WARN_(winediag)("For sound related feedback and support, please visit http://ubuntuforums.org/showthread.php?t=1960599\n");
 786     }
 787
 788     TRACE("%s %p %p\n", debugstr_guid(guid), dev, out);
 789     if (IsEqualGUID(guid, &pulse_render_guid))
 790         dataflow = eRender;
 791     else if (IsEqualGUID(guid, &pulse_capture_guid))
 792         dataflow = eCapture;
 793     else
 794         return E_UNEXPECTED;
 795
 796     *out = NULL;
 797     pthread_mutex_lock(&pulse_lock);
 798     hr = pulse_connect();
 799     pthread_mutex_unlock(&pulse_lock);
 800     if (FAILED(hr))
 801         return hr;
 802
 803     This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*This));
 804     if (!This)
 805         return E_OUTOFMEMORY;
 806
 807     This->IAudioClient_iface.lpVtbl = &AudioClient_Vtbl;
 808     This->IAudioRenderClient_iface.lpVtbl = &AudioRenderClient_Vtbl;
 809     This->IAudioCaptureClient_iface.lpVtbl = &AudioCaptureClient_Vtbl;
 810     This->IAudioClock_iface.lpVtbl = &AudioClock_Vtbl;
 811     This->IAudioClock2_iface.lpVtbl = &AudioClock2_Vtbl;
 812     This->IAudioStreamVolume_iface.lpVtbl = &AudioStreamVolume_Vtbl;
 813     This->dataflow = dataflow;
 814     This->parent = dev;
 815     for (i = 0; i < PA_CHANNELS_MAX; ++i)
 816         This->vol[i] = 1.f;
 817     IMMDevice_AddRef(This->parent);
 818
 819     *out = &This->IAudioClient_iface;
 820     IAudioClient_AddRef(&This->IAudioClient_iface);
 821
 822     return S_OK;
 823 }
 824
 825 static HRESULT WINAPI AudioClient_QueryInterface(IAudioClient *iface,
 826         REFIID riid, void **ppv)
 827 {
 828     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
 829
 830     if (!ppv)
 831         return E_POINTER;
 832     *ppv = NULL;
 833     if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IAudioClient))
 834         *ppv = iface;
 835     if (*ppv) {
 836         IUnknown_AddRef((IUnknown*)*ppv);
 837         return S_OK;
 838     }
 839     WARN("Unknown interface %s\n", debugstr_guid(riid));
 840     return E_NOINTERFACE;
 841 }
 842
 843 static ULONG WINAPI AudioClient_AddRef(IAudioClient *iface)
 844 {
 845     ACImpl *This = impl_from_IAudioClient(iface);
 846     ULONG ref;
 847     ref = InterlockedIncrement(&This->ref);
 848     TRACE("(%p) Refcount now %u\n", This, ref);
 849     return ref;
 850 }
 851
 852 static ULONG WINAPI AudioClient_Release(IAudioClient *iface)
 853 {
 854     ACImpl *This = impl_from_IAudioClient(iface);
 855     ULONG ref;
 856     ref = InterlockedDecrement(&This->ref);
 857     TRACE("(%p) Refcount now %u\n", This, ref);
 858     if (!ref) {
 859         if (This->stream) {
 860             pthread_mutex_lock(&pulse_lock);
 861             if (PA_STREAM_IS_GOOD(pa_stream_get_state(This->stream))) {
 862                 pa_stream_disconnect(This->stream);
 863                 while (PA_STREAM_IS_GOOD(pa_stream_get_state(This->stream)))
 864                     pthread_cond_wait(&pulse_cond, &pulse_lock);
 865             }
 866             pa_stream_unref(This->stream);
 867             This->stream = NULL;
 868             list_remove(&This->entry);
 869             pthread_mutex_unlock(&pulse_lock);
 870         }
 871         IMMDevice_Release(This->parent);
 872         HeapFree(GetProcessHeap(), 0, This->tmp_buffer);
 873         HeapFree(GetProcessHeap(), 0, This);
 874     }
 875     return ref;
 876 }
 877
 878 static void dump_fmt(const WAVEFORMATEX *fmt)
 879 {
 880     TRACE("wFormatTag: 0x%x (", fmt->wFormatTag);
 881     switch(fmt->wFormatTag) {
 882     case WAVE_FORMAT_PCM:
 883         TRACE("WAVE_FORMAT_PCM");
 884         break;
 885     case WAVE_FORMAT_IEEE_FLOAT:
 886         TRACE("WAVE_FORMAT_IEEE_FLOAT");
 887         break;
 888     case WAVE_FORMAT_EXTENSIBLE:
 889         TRACE("WAVE_FORMAT_EXTENSIBLE");
 890         break;
 891     default:
 892         TRACE("Unknown");
 893         break;
 894     }
 895     TRACE(")\n");
 896
 897     TRACE("nChannels: %u\n", fmt->nChannels);
 898     TRACE("nSamplesPerSec: %u\n", fmt->nSamplesPerSec);
 899     TRACE("nAvgBytesPerSec: %u\n", fmt->nAvgBytesPerSec);
 900     TRACE("nBlockAlign: %u\n", fmt->nBlockAlign);
 901     TRACE("wBitsPerSample: %u\n", fmt->wBitsPerSample);
 902     TRACE("cbSize: %u\n", fmt->cbSize);
 903
 904     if (fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE) {
 905         WAVEFORMATEXTENSIBLE *fmtex = (void*)fmt;
 906         TRACE("dwChannelMask: %08x\n", fmtex->dwChannelMask);
 907         TRACE("Samples: %04x\n", fmtex->Samples.wReserved);
 908         TRACE("SubFormat: %s\n", wine_dbgstr_guid(&fmtex->SubFormat));
 909     }
 910 }
 911
 912 static WAVEFORMATEX *clone_format(const WAVEFORMATEX *fmt)
 913 {
 914     WAVEFORMATEX *ret;
 915     size_t size;
 916
 917     if (fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
 918         size = sizeof(WAVEFORMATEXTENSIBLE);
 919     else
 920         size = sizeof(WAVEFORMATEX);
 921
 922     ret = CoTaskMemAlloc(size);
 923     if (!ret)
 924         return NULL;
 925
 926     memcpy(ret, fmt, size);
 927
 928     ret->cbSize = size - sizeof(WAVEFORMATEX);
 929
 930     return ret;
 931 }
 932
 933 static DWORD get_channel_mask(unsigned int channels)
 934 {
 935     switch(channels) {
 936     case 0:
 937         return 0;
 938     case 1:
 939         return SPEAKER_FRONT_CENTER;
 940     case 2:
 941         return SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT;
 942     case 3:
 943         return SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT |
 944             SPEAKER_LOW_FREQUENCY;
 945     case 4:
 946         return SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_BACK_LEFT |
 947             SPEAKER_BACK_RIGHT;
 948     case 5:
 949         return SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_BACK_LEFT |
 950             SPEAKER_BACK_RIGHT | SPEAKER_LOW_FREQUENCY;
 951     case 6:
 952         return SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_BACK_LEFT |
 953             SPEAKER_BACK_RIGHT | SPEAKER_LOW_FREQUENCY | SPEAKER_FRONT_CENTER;
 954     case 7:
 955         return SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_BACK_LEFT |
 956             SPEAKER_BACK_RIGHT | SPEAKER_LOW_FREQUENCY | SPEAKER_FRONT_CENTER |
 957             SPEAKER_BACK_CENTER;
 958     case 8:
 959         return SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_BACK_LEFT |
 960             SPEAKER_BACK_RIGHT | SPEAKER_LOW_FREQUENCY | SPEAKER_FRONT_CENTER |
 961             SPEAKER_SIDE_LEFT | SPEAKER_SIDE_RIGHT;
 962     }
 963     FIXME("Unknown speaker configuration: %u\n", channels);
 964     return 0;
 965 }
 966
 967 static void session_init_vols(AudioSession *session, UINT channels)
 968 {
 969     if (session->channel_count < channels) {
 970         UINT i;
 971
 972         if (session->channel_vols)
 973             session->channel_vols = HeapReAlloc(GetProcessHeap(), 0,
 974                     session->channel_vols, sizeof(float) * channels);
 975         else
 976             session->channel_vols = HeapAlloc(GetProcessHeap(), 0,
 977                     sizeof(float) * channels);
 978         if (!session->channel_vols)
 979             return;
 980
 981         for(i = session->channel_count; i < channels; ++i)
 982             session->channel_vols[i] = 1.f;
 983
 984         session->channel_count = channels;
 985     }
 986 }
 987
 988 static AudioSession *create_session(const GUID *guid, IMMDevice *device,
 989         UINT num_channels)
 990 {
 991     AudioSession *ret;
 992
 993     ret = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(AudioSession));
 994     if (!ret)
 995         return NULL;
 996
 997     memcpy(&ret->guid, guid, sizeof(GUID));
 998
 999     ret->device = device;
1000
1001     list_init(&ret->clients);
1002
1003     list_add_head(&g_sessions, &ret->entry);
1004
1005     session_init_vols(ret, num_channels);
1006
1007     ret->master_vol = 1.f;
1008
1009     return ret;
1010 }
1011
1012 /* if channels == 0, then this will return or create a session with
1013  * matching dataflow and GUID. otherwise, channels must also match */
1014 static HRESULT get_audio_session(const GUID *sessionguid,
1015         IMMDevice *device, UINT channels, AudioSession **out)
1016 {
1017     AudioSession *session;
1018
1019     if (!sessionguid || IsEqualGUID(sessionguid, &GUID_NULL)) {
1020         *out = create_session(&GUID_NULL, device, channels);
1021         if (!*out)
1022             return E_OUTOFMEMORY;
1023
1024         return S_OK;
1025     }
1026
1027     *out = NULL;
1028     LIST_FOR_EACH_ENTRY(session, &g_sessions, AudioSession, entry) {
1029         if (session->device == device &&
1030             IsEqualGUID(sessionguid, &session->guid)) {
1031             session_init_vols(session, channels);
1032             *out = session;
1033             break;
1034         }
1035     }
1036
1037     if (!*out) {
1038         *out = create_session(sessionguid, device, channels);
1039         if (!*out)
1040             return E_OUTOFMEMORY;
1041     }
1042
1043     return S_OK;
1044 }
1045
1046 static HRESULT pulse_spec_from_waveformat(ACImpl *This, const WAVEFORMATEX *fmt)
1047 {
1048     pa_channel_map_init(&This->map);
1049     This->ss.rate = fmt->nSamplesPerSec;
1050     This->ss.format = PA_SAMPLE_INVALID;
1051     switch(fmt->wFormatTag) {
1052     case WAVE_FORMAT_IEEE_FLOAT:
1053         if (!fmt->nChannels || fmt->nChannels > 2 || fmt->wBitsPerSample != 32)
1054             break;
1055         This->ss.format = PA_SAMPLE_FLOAT32LE;
1056         pa_channel_map_init_auto(&This->map, fmt->nChannels, PA_CHANNEL_MAP_ALSA);
1057         break;
1058     case WAVE_FORMAT_PCM:
1059         if (!fmt->nChannels || fmt->nChannels > 2)
1060             break;
1061         if (fmt->wBitsPerSample == 8)
1062             This->ss.format = PA_SAMPLE_U8;
1063         else if (fmt->wBitsPerSample == 16)
1064             This->ss.format = PA_SAMPLE_S16LE;
1065         else
1066             return AUDCLNT_E_UNSUPPORTED_FORMAT;
1067         pa_channel_map_init_auto(&This->map, fmt->nChannels, PA_CHANNEL_MAP_ALSA);
1068         break;
1069     case WAVE_FORMAT_EXTENSIBLE: {
1070         WAVEFORMATEXTENSIBLE *wfe = (WAVEFORMATEXTENSIBLE*)fmt;
1071         DWORD mask = wfe->dwChannelMask;
1072         DWORD i = 0, j;
1073         if (fmt->cbSize != (sizeof(*wfe) - sizeof(*fmt)) && fmt->cbSize != sizeof(*wfe))
1074             break;
1075         if (IsEqualGUID(&wfe->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT) &&
1076             (!wfe->Samples.wValidBitsPerSample || wfe->Samples.wValidBitsPerSample == 32) &&
1077             fmt->wBitsPerSample == 32)
1078             This->ss.format = PA_SAMPLE_FLOAT32LE;
1079         else if (IsEqualGUID(&wfe->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM)) {
1080             DWORD valid = wfe->Samples.wValidBitsPerSample;
1081             if (!valid)
1082                 valid = fmt->wBitsPerSample;
1083             if (!valid || valid > fmt->wBitsPerSample)
1084                 break;
1085             switch (fmt->wBitsPerSample) {
1086                 case 8:
1087                     if (valid == 8)
1088                         This->ss.format = PA_SAMPLE_U8;
1089                     break;
1090                 case 16:
1091                     if (valid == 16)
1092                         This->ss.format = PA_SAMPLE_S16LE;
1093                     break;
1094                 case 24:
1095                     if (valid == 24)
1096                         This->ss.format = PA_SAMPLE_S24LE;
1097                     break;
1098                 case 32:
1099                     if (valid == 24)
1100                         This->ss.format = PA_SAMPLE_S24_32LE;
1101                     else if (valid == 32)
1102                         This->ss.format = PA_SAMPLE_S32LE;
1103                     break;
1104                 default:
1105                     return AUDCLNT_E_UNSUPPORTED_FORMAT;
1106             }
1107         }
1108         This->map.channels = fmt->nChannels;
1109         if (!mask || mask == SPEAKER_ALL)
1110             mask = get_channel_mask(fmt->nChannels);
1111         else if (mask == ~0U && fmt->nChannels == 1)
1112             mask = SPEAKER_FRONT_CENTER;
1113         for (j = 0; j < sizeof(pulse_pos_from_wfx)/sizeof(*pulse_pos_from_wfx) && i < fmt->nChannels; ++j) {
1114             if (mask & (1 << j))
1115                 This->map.map[i++] = pulse_pos_from_wfx[j];
1116         }
1117
1118         /* Special case for mono since pulse appears to map it differently */
1119         if (mask == SPEAKER_FRONT_CENTER)
1120             This->map.map[0] = PA_CHANNEL_POSITION_MONO;
1121
1122         if (i < fmt->nChannels || (mask & SPEAKER_RESERVED)) {
1123             This->map.channels = 0;
1124             ERR("Invalid channel mask: %i/%i and %x(%x)\n", i, fmt->nChannels, mask, wfe->dwChannelMask);
1125             break;
1126         }
1127         break;
1128         }
1129         case WAVE_FORMAT_ALAW:
1130         case WAVE_FORMAT_MULAW:
1131             if (fmt->wBitsPerSample != 8) {
1132                 FIXME("Unsupported bpp %u for LAW\n", fmt->wBitsPerSample);
1133                 return AUDCLNT_E_UNSUPPORTED_FORMAT;
1134             }
1135             if (fmt->nChannels != 1 && fmt->nChannels != 2) {
1136                 FIXME("Unsupported channels %u for LAW\n", fmt->nChannels);
1137                 return AUDCLNT_E_UNSUPPORTED_FORMAT;
1138             }
1139             This->ss.format = fmt->wFormatTag == WAVE_FORMAT_MULAW ? PA_SAMPLE_ULAW : PA_SAMPLE_ALAW;
1140             pa_channel_map_init_auto(&This->map, fmt->nChannels, PA_CHANNEL_MAP_ALSA);
1141             break;
1142         default:
1143             WARN("Unhandled tag %x\n", fmt->wFormatTag);
1144             return AUDCLNT_E_UNSUPPORTED_FORMAT;
1145     }
1146     This->ss.channels = This->map.channels;
1147     if (!pa_channel_map_valid(&This->map) || This->ss.format == PA_SAMPLE_INVALID) {
1148         ERR("Invalid format! Channel spec valid: %i, format: %i\n", pa_channel_map_valid(&This->map), This->ss.format);
1149         dump_fmt(fmt);
1150         return AUDCLNT_E_UNSUPPORTED_FORMAT;
1151     }
1152     return S_OK;
1153 }
1154
1155 static HRESULT WINAPI AudioClient_Initialize(IAudioClient *iface,
1156         AUDCLNT_SHAREMODE mode, DWORD flags, REFERENCE_TIME duration,
1157         REFERENCE_TIME period, const WAVEFORMATEX *fmt,
1158         const GUID *sessionguid)
1159 {
1160     ACImpl *This = impl_from_IAudioClient(iface);
1161     HRESULT hr = S_OK;
1162     UINT period_bytes;
1163
1164     TRACE("(%p)->(%x, %x, %s, %s, %p, %s)\n", This, mode, flags,
1165           wine_dbgstr_longlong(duration), wine_dbgstr_longlong(period), fmt, debugstr_guid(sessionguid));
1166
1167     if (!fmt)
1168         return E_POINTER;
1169
1170     if (mode != AUDCLNT_SHAREMODE_SHARED && mode != AUDCLNT_SHAREMODE_EXCLUSIVE)
1171         return AUDCLNT_E_NOT_INITIALIZED;
1172     if (mode == AUDCLNT_SHAREMODE_EXCLUSIVE)
1173         return AUDCLNT_E_EXCLUSIVE_MODE_NOT_ALLOWED;
1174
1175     if (flags & ~(AUDCLNT_STREAMFLAGS_CROSSPROCESS |
1176                 AUDCLNT_STREAMFLAGS_LOOPBACK |
1177                 AUDCLNT_STREAMFLAGS_EVENTCALLBACK |
1178                 AUDCLNT_STREAMFLAGS_NOPERSIST |
1179                 AUDCLNT_STREAMFLAGS_RATEADJUST |
1180                 AUDCLNT_SESSIONFLAGS_EXPIREWHENUNOWNED |
1181                 AUDCLNT_SESSIONFLAGS_DISPLAY_HIDE |
1182                 AUDCLNT_SESSIONFLAGS_DISPLAY_HIDEWHENEXPIRED)) {
1183         TRACE("Unknown flags: %08x\n", flags);
1184         return E_INVALIDARG;
1185     }
1186
1187     pthread_mutex_lock(&pulse_lock);
1188     if (This->stream) {
1189         pthread_mutex_unlock(&pulse_lock);
1190         return AUDCLNT_E_ALREADY_INITIALIZED;
1191     }
1192
1193     hr = pulse_spec_from_waveformat(This, fmt);
1194     if (FAILED(hr))
1195         goto exit;
1196
1197     if (mode == AUDCLNT_SHAREMODE_SHARED) {
1198         REFERENCE_TIME def = pulse_def_period[This->dataflow == eCapture];
1199         REFERENCE_TIME min = pulse_min_period[This->dataflow == eCapture];
1200
1201         /* Switch to low latency mode if below 2 default periods,
1202          * which is 20 ms by default, this will increase the amount
1203          * of interrupts but allows very low latency. In dsound I
1204          * managed to get a total latency of ~8ms, which is well below
1205          * default
1206          */
1207         if (duration < 2 * def)
1208            period = min;
1209         else
1210            period = def;
1211         if (duration < 2 * period)
1212             duration = 2 * period;
1213     }
1214     period_bytes = pa_frame_size(&This->ss) * MulDiv(period, This->ss.rate, 10000000);
1215
1216     if (duration < 20000000)
1217         This->bufsize_frames = ceil((duration / 10000000.) * fmt->nSamplesPerSec);
1218     else
1219         This->bufsize_frames = 2 * fmt->nSamplesPerSec;
1220     This->bufsize_bytes = This->bufsize_frames * pa_frame_size(&This->ss);
1221
1222     This->share = mode;
1223     This->flags = flags;
1224     hr = pulse_stream_connect(This, period_bytes);
1225     if (SUCCEEDED(hr)) {
1226         UINT32 unalign;
1227         const pa_buffer_attr *attr = pa_stream_get_buffer_attr(This->stream);
1228         /* Update frames according to new size */
1229         dump_attr(attr);
1230         if (This->dataflow == eRender)
1231             This->bufsize_bytes = attr->tlength;
1232         else {
1233             This->capture_period = period_bytes = attr->fragsize;
1234             if ((unalign = This->bufsize_bytes % period_bytes))
1235                 This->bufsize_bytes += period_bytes - unalign;
1236         }
1237         This->bufsize_frames = This->bufsize_bytes / pa_frame_size(&This->ss);
1238     }
1239     if (SUCCEEDED(hr)) {
1240         UINT32 i, capture_packets = This->capture_period ? This->bufsize_bytes / This->capture_period : 0;
1241         This->tmp_buffer = HeapAlloc(GetProcessHeap(), 0, This->bufsize_bytes + capture_packets * sizeof(ACPacket));
1242         if (!This->tmp_buffer)
1243             hr = E_OUTOFMEMORY;
1244         else {
1245             ACPacket *cur_packet = (ACPacket*)((char*)This->tmp_buffer + This->bufsize_bytes);
1246             BYTE *data = This->tmp_buffer;
1247             memset(This->tmp_buffer, This->ss.format == PA_SAMPLE_U8 ? 0x80 : 0, This->bufsize_bytes);
1248             list_init(&This->packet_free_head);
1249             list_init(&This->packet_filled_head);
1250             for (i = 0; i < capture_packets; ++i, ++cur_packet) {
1251                 list_add_tail(&This->packet_free_head, &cur_packet->entry);
1252                 cur_packet->data = data;
1253                 data += This->capture_period;
1254             }
1255             assert(!This->capture_period || This->bufsize_bytes == This->capture_period * capture_packets);
1256             assert(!capture_packets || data - This->bufsize_bytes == This->tmp_buffer);
1257         }
1258     }
1259     if (SUCCEEDED(hr))
1260         hr = get_audio_session(sessionguid, This->parent, fmt->nChannels, &This->session);
1261     if (SUCCEEDED(hr))
1262         list_add_tail(&This->session->clients, &This->entry);
1263
1264 exit:
1265     if (FAILED(hr)) {
1266         HeapFree(GetProcessHeap(), 0, This->tmp_buffer);
1267         This->tmp_buffer = NULL;
1268         if (This->stream) {
1269             pa_stream_disconnect(This->stream);
1270             pa_stream_unref(This->stream);
1271             This->stream = NULL;
1272         }
1273     }
1274     pthread_mutex_unlock(&pulse_lock);
1275     return hr;
1276 }
1277
1278 static HRESULT WINAPI AudioClient_GetBufferSize(IAudioClient *iface,
1279         UINT32 *out)
1280 {
1281     ACImpl *This = impl_from_IAudioClient(iface);
1282     HRESULT hr;
1283
1284     TRACE("(%p)->(%p)\n", This, out);
1285
1286     if (!out)
1287         return E_POINTER;
1288
1289     pthread_mutex_lock(&pulse_lock);
1290     hr = pulse_stream_valid(This);
1291     if (SUCCEEDED(hr))
1292         *out = This->bufsize_frames;
1293     pthread_mutex_unlock(&pulse_lock);
1294
1295     return hr;
1296 }
1297
1298 static HRESULT WINAPI AudioClient_GetStreamLatency(IAudioClient *iface,
1299         REFERENCE_TIME *latency)
1300 {
1301     ACImpl *This = impl_from_IAudioClient(iface);
1302     const pa_buffer_attr *attr;
1303     REFERENCE_TIME lat;
1304     HRESULT hr;
1305
1306     TRACE("(%p)->(%p)\n", This, latency);
1307
1308     if (!latency)
1309         return E_POINTER;
1310
1311     pthread_mutex_lock(&pulse_lock);
1312     hr = pulse_stream_valid(This);
1313     if (FAILED(hr)) {
1314         pthread_mutex_unlock(&pulse_lock);
1315         return hr;
1316     }
1317     attr = pa_stream_get_buffer_attr(This->stream);
1318     if (This->dataflow == eRender)
1319         lat = attr->minreq / pa_frame_size(&This->ss);
1320     else
1321         lat = attr->fragsize / pa_frame_size(&This->ss);
1322     *latency = 10000000;
1323     *latency *= lat;
1324     *latency /= This->ss.rate;
1325     pthread_mutex_unlock(&pulse_lock);
1326     TRACE("Latency: %u ms\n", (DWORD)(*latency / 10000));
1327     return S_OK;
1328 }
1329
1330 static void ACImpl_GetRenderPad(ACImpl *This, UINT32 *out)
1331 {
1332     *out = This->pad / pa_frame_size(&This->ss);
1333 }
1334
1335 static void ACImpl_GetCapturePad(ACImpl *This, UINT32 *out)
1336 {
1337     ACPacket *packet = This->locked_ptr;
1338     if (!packet && !list_empty(&This->packet_filled_head)) {
1339         packet = (ACPacket*)list_head(&This->packet_filled_head);
1340         This->locked_ptr = packet;
1341         list_remove(&packet->entry);
1342     }
1343     if (out)
1344         *out = This->pad / pa_frame_size(&This->ss);
1345 }
1346
1347 static HRESULT WINAPI AudioClient_GetCurrentPadding(IAudioClient *iface,
1348         UINT32 *out)
1349 {
1350     ACImpl *This = impl_from_IAudioClient(iface);
1351     HRESULT hr;
1352
1353     TRACE("(%p)->(%p)\n", This, out);
1354
1355     if (!out)
1356         return E_POINTER;
1357
1358     pthread_mutex_lock(&pulse_lock);
1359     hr = pulse_stream_valid(This);
1360     if (FAILED(hr)) {
1361         pthread_mutex_unlock(&pulse_lock);
1362         return hr;
1363     }
1364
1365     if (This->dataflow == eRender)
1366         ACImpl_GetRenderPad(This, out);
1367     else
1368         ACImpl_GetCapturePad(This, out);
1369     pthread_mutex_unlock(&pulse_lock);
1370
1371     TRACE("%p Pad: %u ms (%u)\n", This, MulDiv(*out, 1000, This->ss.rate), *out);
1372     return S_OK;
1373 }
1374
1375 static HRESULT WINAPI AudioClient_IsFormatSupported(IAudioClient *iface,
1376         AUDCLNT_SHAREMODE mode, const WAVEFORMATEX *fmt,
1377         WAVEFORMATEX **out)
1378 {
1379     ACImpl *This = impl_from_IAudioClient(iface);
1380     HRESULT hr = S_OK;
1381     WAVEFORMATEX *closest = NULL;
1382
1383     TRACE("(%p)->(%x, %p, %p)\n", This, mode, fmt, out);
1384
1385     if (!fmt || (mode == AUDCLNT_SHAREMODE_SHARED && !out))
1386         return E_POINTER;
1387
1388     if (out)
1389         *out = NULL;
1390     if (mode != AUDCLNT_SHAREMODE_SHARED && mode != AUDCLNT_SHAREMODE_EXCLUSIVE)
1391         return E_INVALIDARG;
1392     if (mode == AUDCLNT_SHAREMODE_EXCLUSIVE)
1393         return This->dataflow == eCapture ? AUDCLNT_E_UNSUPPORTED_FORMAT : AUDCLNT_E_EXCLUSIVE_MODE_NOT_ALLOWED;
1394     switch (fmt->wFormatTag) {
1395     case WAVE_FORMAT_EXTENSIBLE:
1396         if (fmt->cbSize < sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX))
1397             return E_INVALIDARG;
1398         dump_fmt(fmt);
1399         break;
1400     case WAVE_FORMAT_ALAW:
1401     case WAVE_FORMAT_MULAW:
1402     case WAVE_FORMAT_IEEE_FLOAT:
1403     case WAVE_FORMAT_PCM:
1404         dump_fmt(fmt);
1405         break;
1406     default:
1407         dump_fmt(fmt);
1408         return AUDCLNT_E_UNSUPPORTED_FORMAT;
1409     }
1410     if (fmt->nChannels == 0)
1411         return AUDCLNT_E_UNSUPPORTED_FORMAT;
1412     closest = clone_format(fmt);
1413     if (!closest) {
1414         if (out)
1415             *out = NULL;
1416         return E_OUTOFMEMORY;
1417     }
1418
1419     if (fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE) {
1420         UINT32 mask = 0, i, channels = 0;
1421         WAVEFORMATEXTENSIBLE *ext = (WAVEFORMATEXTENSIBLE*)closest;
1422
1423         if ((fmt->nChannels > 1 && ext->dwChannelMask == SPEAKER_ALL) ||
1424             (fmt->nChannels == 1 && ext->dwChannelMask == ~0U)) {
1425             mask = ext->dwChannelMask;
1426             channels = fmt->nChannels;
1427         } else if (ext->dwChannelMask) {
1428             for (i = 1; !(i & SPEAKER_RESERVED); i <<= 1) {
1429                 if (i & ext->dwChannelMask) {
1430                     mask |= i;
1431                     channels++;
1432                 }
1433             }
1434             if (channels < fmt->nChannels)
1435                 mask = get_channel_mask(fmt->nChannels);
1436         } else
1437             mask = ext->dwChannelMask;
1438         if (ext->dwChannelMask != mask) {
1439             ext->dwChannelMask = mask;
1440             hr = S_FALSE;
1441         }
1442     }
1443
1444     if (hr == S_OK || !out) {
1445         CoTaskMemFree(closest);
1446         if (out)
1447             *out = NULL;
1448     } else if (closest) {
1449         closest->nBlockAlign =
1450             closest->nChannels * closest->wBitsPerSample / 8;
1451         closest->nAvgBytesPerSec =
1452             closest->nBlockAlign * closest->nSamplesPerSec;
1453         *out = closest;
1454     }
1455
1456     TRACE("returning: %08x %p\n", hr, out ? *out : NULL);
1457     return hr;
1458 }
1459
1460 static HRESULT WINAPI AudioClient_GetMixFormat(IAudioClient *iface,
1461         WAVEFORMATEX **pwfx)
1462 {
1463     ACImpl *This = impl_from_IAudioClient(iface);
1464     WAVEFORMATEXTENSIBLE *fmt = &pulse_fmt[This->dataflow == eCapture];
1465
1466     TRACE("(%p)->(%p)\n", This, pwfx);
1467
1468     if (!pwfx)
1469         return E_POINTER;
1470
1471     *pwfx = clone_format(&fmt->Format);
1472     if (!*pwfx)
1473         return E_OUTOFMEMORY;
1474     dump_fmt(*pwfx);
1475     return S_OK;
1476 }
1477
1478 static HRESULT WINAPI AudioClient_GetDevicePeriod(IAudioClient *iface,
1479         REFERENCE_TIME *defperiod, REFERENCE_TIME *minperiod)
1480 {
1481     ACImpl *This = impl_from_IAudioClient(iface);
1482
1483     TRACE("(%p)->(%p, %p)\n", This, defperiod, minperiod);
1484
1485     if (!defperiod && !minperiod)
1486         return E_POINTER;
1487
1488     if (defperiod)
1489         *defperiod = pulse_def_period[This->dataflow == eCapture];
1490     if (minperiod)
1491         *minperiod = pulse_min_period[This->dataflow == eCapture];
1492
1493     return S_OK;
1494 }
1495
1496 static HRESULT WINAPI AudioClient_Start(IAudioClient *iface)
1497 {
1498     ACImpl *This = impl_from_IAudioClient(iface);
1499     HRESULT hr = S_OK;
1500     int success;
1501     pa_operation *o;
1502
1503     TRACE("(%p)\n", This);
1504
1505     pthread_mutex_lock(&pulse_lock);
1506     hr = pulse_stream_valid(This);
1507     if (FAILED(hr)) {
1508         pthread_mutex_unlock(&pulse_lock);
1509         return hr;
1510     }
1511
1512     if ((This->flags & AUDCLNT_STREAMFLAGS_EVENTCALLBACK) && !This->event) {
1513         pthread_mutex_unlock(&pulse_lock);
1514         return AUDCLNT_E_EVENTHANDLE_NOT_SET;
1515     }
1516
1517     if (This->started) {
1518         pthread_mutex_unlock(&pulse_lock);
1519         return AUDCLNT_E_NOT_STOPPED;
1520     }
1521
1522     if (pa_stream_is_corked(This->stream)) {
1523         o = pa_stream_cork(This->stream, 0, pulse_op_cb, &success);
1524         if (o) {
1525             while(pa_operation_get_state(o) == PA_OPERATION_RUNNING)
1526                 pthread_cond_wait(&pulse_cond, &pulse_lock);
1527             pa_operation_unref(o);
1528         } else
1529             success = 0;
1530         if (!success)
1531             hr = E_FAIL;
1532     }
1533     if (SUCCEEDED(hr)) {
1534         This->started = TRUE;
1535         if (This->dataflow == eRender && This->event)
1536             pa_stream_set_latency_update_callback(This->stream, pulse_latency_callback, This);
1537     }
1538     pthread_mutex_unlock(&pulse_lock);
1539     return hr;
1540 }
1541
1542 static HRESULT WINAPI AudioClient_Stop(IAudioClient *iface)
1543 {
1544     ACImpl *This = impl_from_IAudioClient(iface);
1545     HRESULT hr = S_OK;
1546     pa_operation *o;
1547     int success;
1548
1549     TRACE("(%p)\n", This);
1550
1551     pthread_mutex_lock(&pulse_lock);
1552     hr = pulse_stream_valid(This);
1553     if (FAILED(hr)) {
1554         pthread_mutex_unlock(&pulse_lock);
1555         return hr;
1556     }
1557
1558     if (!This->started) {
1559         pthread_mutex_unlock(&pulse_lock);
1560         return S_FALSE;
1561     }
1562
1563     if (This->dataflow == eRender) {
1564         o = pa_stream_cork(This->stream, 1, pulse_op_cb, &success);
1565         if (o) {
1566             while(pa_operation_get_state(o) == PA_OPERATION_RUNNING)
1567                 pthread_cond_wait(&pulse_cond, &pulse_lock);
1568             pa_operation_unref(o);
1569         } else
1570             success = 0;
1571         if (!success)
1572             hr = E_FAIL;
1573     }
1574     if (SUCCEEDED(hr)) {
1575         This->started = FALSE;
1576     }
1577     pthread_mutex_unlock(&pulse_lock);
1578     return hr;
1579 }
1580
1581 static HRESULT WINAPI AudioClient_Reset(IAudioClient *iface)
1582 {
1583     ACImpl *This = impl_from_IAudioClient(iface);
1584     HRESULT hr = S_OK;
1585
1586     TRACE("(%p)\n", This);
1587
1588     pthread_mutex_lock(&pulse_lock);
1589     hr = pulse_stream_valid(This);
1590     if (FAILED(hr)) {
1591         pthread_mutex_unlock(&pulse_lock);
1592         return hr;
1593     }
1594
1595     if (This->started) {
1596         pthread_mutex_unlock(&pulse_lock);
1597         return AUDCLNT_E_NOT_STOPPED;
1598     }
1599
1600     if (This->locked) {
1601         pthread_mutex_unlock(&pulse_lock);
1602         return AUDCLNT_E_BUFFER_OPERATION_PENDING;
1603     }
1604
1605     if (This->dataflow == eRender) {
1606         /* If there is still data in the render buffer it needs to be removed from the server */
1607         int success = 0;
1608         if (This->pad) {
1609             pa_operation *o = pa_stream_flush(This->stream, pulse_op_cb, &success);
1610             if (o) {
1611                 while(pa_operation_get_state(o) == PA_OPERATION_RUNNING)
1612                     pthread_cond_wait(&pulse_cond, &pulse_lock);
1613                 pa_operation_unref(o);
1614             }
1615         }
1616         if (success || !This->pad)
1617             This->clock_lastpos = This->clock_written = This->pad = 0;
1618     } else {
1619         ACPacket *p;
1620         This->clock_written += This->pad;
1621         This->pad = 0;
1622
1623         if ((p = This->locked_ptr)) {
1624             This->locked_ptr = NULL;
1625             list_add_tail(&This->packet_free_head, &p->entry);
1626         }
1627         list_move_tail(&This->packet_free_head, &This->packet_filled_head);
1628     }
1629     pthread_mutex_unlock(&pulse_lock);
1630
1631     return hr;
1632 }
1633
1634 static HRESULT WINAPI AudioClient_SetEventHandle(IAudioClient *iface,
1635         HANDLE event)
1636 {
1637     ACImpl *This = impl_from_IAudioClient(iface);
1638     HRESULT hr;
1639
1640     TRACE("(%p)->(%p)\n", This, event);
1641
1642     if (!event)
1643         return E_INVALIDARG;
1644
1645     pthread_mutex_lock(&pulse_lock);
1646     hr = pulse_stream_valid(This);
1647     if (FAILED(hr)) {
1648         pthread_mutex_unlock(&pulse_lock);
1649         return hr;
1650     }
1651
1652     if (!(This->flags & AUDCLNT_STREAMFLAGS_EVENTCALLBACK))
1653         hr = AUDCLNT_E_EVENTHANDLE_NOT_EXPECTED;
1654     else if (This->event)
1655         hr = HRESULT_FROM_WIN32(ERROR_INVALID_NAME);
1656     else
1657         This->event = event;
1658     pthread_mutex_unlock(&pulse_lock);
1659     return hr;
1660 }
1661
1662 static HRESULT WINAPI AudioClient_GetService(IAudioClient *iface, REFIID riid,
1663         void **ppv)
1664 {
1665     ACImpl *This = impl_from_IAudioClient(iface);
1666     HRESULT hr;
1667
1668     TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(riid), ppv);
1669
1670     if (!ppv)
1671         return E_POINTER;
1672     *ppv = NULL;
1673
1674     pthread_mutex_lock(&pulse_lock);
1675     hr = pulse_stream_valid(This);
1676     pthread_mutex_unlock(&pulse_lock);
1677     if (FAILED(hr))
1678         return hr;
1679
1680     if (IsEqualIID(riid, &IID_IAudioRenderClient)) {
1681         if (This->dataflow != eRender)
1682             return AUDCLNT_E_WRONG_ENDPOINT_TYPE;
1683         *ppv = &This->IAudioRenderClient_iface;
1684     } else if (IsEqualIID(riid, &IID_IAudioCaptureClient)) {
1685         if (This->dataflow != eCapture)
1686             return AUDCLNT_E_WRONG_ENDPOINT_TYPE;
1687         *ppv = &This->IAudioCaptureClient_iface;
1688     } else if (IsEqualIID(riid, &IID_IAudioClock)) {
1689         *ppv = &This->IAudioClock_iface;
1690     } else if (IsEqualIID(riid, &IID_IAudioStreamVolume)) {
1691         *ppv = &This->IAudioStreamVolume_iface;
1692     } else if (IsEqualIID(riid, &IID_IAudioSessionControl) ||
1693                IsEqualIID(riid, &IID_IChannelAudioVolume) ||
1694                IsEqualIID(riid, &IID_ISimpleAudioVolume)) {
1695         if (!This->session_wrapper) {
1696             This->session_wrapper = AudioSessionWrapper_Create(This);
1697             if (!This->session_wrapper)
1698                 return E_OUTOFMEMORY;
1699         }
1700         if (IsEqualIID(riid, &IID_IAudioSessionControl))
1701             *ppv = &This->session_wrapper->IAudioSessionControl2_iface;
1702         else if (IsEqualIID(riid, &IID_IChannelAudioVolume))
1703             *ppv = &This->session_wrapper->IChannelAudioVolume_iface;
1704         else if (IsEqualIID(riid, &IID_ISimpleAudioVolume))
1705             *ppv = &This->session_wrapper->ISimpleAudioVolume_iface;
1706     }
1707
1708     if (*ppv) {
1709         IUnknown_AddRef((IUnknown*)*ppv);
1710         return S_OK;
1711     }
1712
1713     FIXME("stub %s\n", debugstr_guid(riid));
1714     return E_NOINTERFACE;
1715 }
1716
1717 static const IAudioClientVtbl AudioClient_Vtbl =
1718 {
1719     AudioClient_QueryInterface,
1720     AudioClient_AddRef,
1721     AudioClient_Release,
1722     AudioClient_Initialize,
1723     AudioClient_GetBufferSize,
1724     AudioClient_GetStreamLatency,
1725     AudioClient_GetCurrentPadding,
1726     AudioClient_IsFormatSupported,
1727     AudioClient_GetMixFormat,
1728     AudioClient_GetDevicePeriod,
1729     AudioClient_Start,
1730     AudioClient_Stop,
1731     AudioClient_Reset,
1732     AudioClient_SetEventHandle,
1733     AudioClient_GetService
1734 };
1735
1736 static HRESULT WINAPI AudioRenderClient_QueryInterface(
1737         IAudioRenderClient *iface, REFIID riid, void **ppv)
1738 {
1739     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
1740
1741     if (!ppv)
1742         return E_POINTER;
1743     *ppv = NULL;
1744
1745     if (IsEqualIID(riid, &IID_IUnknown) ||
1746         IsEqualIID(riid, &IID_IAudioRenderClient))
1747         *ppv = iface;
1748     if (*ppv) {
1749         IUnknown_AddRef((IUnknown*)*ppv);
1750         return S_OK;
1751     }
1752
1753     WARN("Unknown interface %s\n", debugstr_guid(riid));
1754     return E_NOINTERFACE;
1755 }
1756
1757 static ULONG WINAPI AudioRenderClient_AddRef(IAudioRenderClient *iface)
1758 {
1759     ACImpl *This = impl_from_IAudioRenderClient(iface);
1760     return AudioClient_AddRef(&This->IAudioClient_iface);
1761 }
1762
1763 static ULONG WINAPI AudioRenderClient_Release(IAudioRenderClient *iface)
1764 {
1765     ACImpl *This = impl_from_IAudioRenderClient(iface);
1766     return AudioClient_Release(&This->IAudioClient_iface);
1767 }
1768
1769 static HRESULT WINAPI AudioRenderClient_GetBuffer(IAudioRenderClient *iface,
1770         UINT32 frames, BYTE **data)
1771 {
1772     ACImpl *This = impl_from_IAudioRenderClient(iface);
1773     size_t avail, req, bytes = frames * pa_frame_size(&This->ss);
1774     UINT32 pad;
1775     HRESULT hr = S_OK;
1776     int ret = -1;
1777
1778     TRACE("(%p)->(%u, %p)\n", This, frames, data);
1779
1780     if (!data)
1781         return E_POINTER;
1782     *data = NULL;
1783
1784     pthread_mutex_lock(&pulse_lock);
1785     hr = pulse_stream_valid(This);
1786     if (FAILED(hr) || This->locked) {
1787         pthread_mutex_unlock(&pulse_lock);
1788         return FAILED(hr) ? hr : AUDCLNT_E_OUT_OF_ORDER;
1789     }
1790     if (!frames) {
1791         pthread_mutex_unlock(&pulse_lock);
1792         return S_OK;
1793     }
1794
1795     ACImpl_GetRenderPad(This, &pad);
1796     avail = This->bufsize_frames - pad;
1797     if (avail < frames || bytes > This->bufsize_bytes) {
1798         pthread_mutex_unlock(&pulse_lock);
1799         WARN("Wanted to write %u, but only %zu available\n", frames, avail);
1800         return AUDCLNT_E_BUFFER_TOO_LARGE;
1801     }
1802
1803     This->locked = frames;
1804     req = bytes;
1805     ret = pa_stream_begin_write(This->stream, &This->locked_ptr, &req);
1806     if (ret < 0 || req < bytes) {
1807         FIXME("%p Not using pulse locked data: %i %zu/%u %u/%u\n", This, ret, req/pa_frame_size(&This->ss), frames, pad, This->bufsize_frames);
1808         if (ret >= 0)
1809             pa_stream_cancel_write(This->stream);
1810         *data = This->tmp_buffer;
1811         This->locked_ptr = NULL;
1812     } else
1813         *data = This->locked_ptr;
1814     pthread_mutex_unlock(&pulse_lock);
1815     return hr;
1816 }
1817
1818 static HRESULT WINAPI AudioRenderClient_ReleaseBuffer(
1819         IAudioRenderClient *iface, UINT32 written_frames, DWORD flags)
1820 {
1821     ACImpl *This = impl_from_IAudioRenderClient(iface);
1822     UINT32 written_bytes = written_frames * pa_frame_size(&This->ss);
1823
1824     TRACE("(%p)->(%u, %x)\n", This, written_frames, flags);
1825
1826     pthread_mutex_lock(&pulse_lock);
1827     if (!This->locked || !written_frames) {
1828         if (This->locked_ptr)
1829             pa_stream_cancel_write(This->stream);
1830         This->locked = 0;
1831         This->locked_ptr = NULL;
1832         pthread_mutex_unlock(&pulse_lock);
1833         return written_frames ? AUDCLNT_E_OUT_OF_ORDER : S_OK;
1834     }
1835
1836     if (This->locked < written_frames) {
1837         pthread_mutex_unlock(&pulse_lock);
1838         return AUDCLNT_E_INVALID_SIZE;
1839     }
1840
1841     if (flags & AUDCLNT_BUFFERFLAGS_SILENT) {
1842         if (This->ss.format == PA_SAMPLE_U8)
1843             memset(This->tmp_buffer, 128, written_bytes);
1844         else
1845             memset(This->tmp_buffer, 0, written_bytes);
1846     }
1847
1848     This->locked = 0;
1849     if (This->locked_ptr)
1850         pa_stream_write(This->stream, This->locked_ptr, written_bytes, NULL, 0, PA_SEEK_RELATIVE);
1851     else
1852         pa_stream_write(This->stream, This->tmp_buffer, written_bytes, NULL, 0, PA_SEEK_RELATIVE);
1853     This->pad += written_bytes;
1854     This->locked_ptr = NULL;
1855     TRACE("Released %u, pad %zu\n", written_frames, This->pad / pa_frame_size(&This->ss));
1856     assert(This->pad <= This->bufsize_bytes);
1857     pthread_mutex_unlock(&pulse_lock);
1858     return S_OK;
1859 }
1860
1861 static const IAudioRenderClientVtbl AudioRenderClient_Vtbl = {
1862     AudioRenderClient_QueryInterface,
1863     AudioRenderClient_AddRef,
1864     AudioRenderClient_Release,
1865     AudioRenderClient_GetBuffer,
1866     AudioRenderClient_ReleaseBuffer
1867 };
1868
1869 static HRESULT WINAPI AudioCaptureClient_QueryInterface(
1870         IAudioCaptureClient *iface, REFIID riid, void **ppv)
1871 {
1872     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
1873
1874     if (!ppv)
1875         return E_POINTER;
1876     *ppv = NULL;
1877
1878     if (IsEqualIID(riid, &IID_IUnknown) ||
1879         IsEqualIID(riid, &IID_IAudioCaptureClient))
1880         *ppv = iface;
1881     if (*ppv) {
1882         IUnknown_AddRef((IUnknown*)*ppv);
1883         return S_OK;
1884     }
1885
1886     WARN("Unknown interface %s\n", debugstr_guid(riid));
1887     return E_NOINTERFACE;
1888 }
1889
1890 static ULONG WINAPI AudioCaptureClient_AddRef(IAudioCaptureClient *iface)
1891 {
1892     ACImpl *This = impl_from_IAudioCaptureClient(iface);
1893     return IAudioClient_AddRef(&This->IAudioClient_iface);
1894 }
1895
1896 static ULONG WINAPI AudioCaptureClient_Release(IAudioCaptureClient *iface)
1897 {
1898     ACImpl *This = impl_from_IAudioCaptureClient(iface);
1899     return IAudioClient_Release(&This->IAudioClient_iface);
1900 }
1901
1902 static HRESULT WINAPI AudioCaptureClient_GetBuffer(IAudioCaptureClient *iface,
1903         BYTE **data, UINT32 *frames, DWORD *flags, UINT64 *devpos,
1904         UINT64 *qpcpos)
1905 {
1906     ACImpl *This = impl_from_IAudioCaptureClient(iface);
1907     HRESULT hr;
1908     ACPacket *packet;
1909
1910     TRACE("(%p)->(%p, %p, %p, %p, %p)\n", This, data, frames, flags,
1911             devpos, qpcpos);
1912
1913     if (!data || !frames || !flags)
1914         return E_POINTER;
1915
1916     pthread_mutex_lock(&pulse_lock);
1917     hr = pulse_stream_valid(This);
1918     if (FAILED(hr) || This->locked) {
1919         pthread_mutex_unlock(&pulse_lock);
1920         return FAILED(hr) ? hr : AUDCLNT_E_OUT_OF_ORDER;
1921     }
1922
1923     ACImpl_GetCapturePad(This, NULL);
1924     if ((packet = This->locked_ptr)) {
1925         *frames = This->capture_period / pa_frame_size(&This->ss);
1926         *flags = 0;
1927         if (packet->discont)
1928             *flags |= AUDCLNT_BUFFERFLAGS_DATA_DISCONTINUITY;
1929         if (devpos) {
1930             if (packet->discont)
1931                 *devpos = (This->clock_written + This->capture_period) / pa_frame_size(&This->ss);
1932             else
1933                 *devpos = This->clock_written / pa_frame_size(&This->ss);
1934         }
1935         if (qpcpos)
1936             *qpcpos = packet->qpcpos;
1937         *data = packet->data;
1938     }
1939     else
1940         *frames = 0;
1941     This->locked = *frames;
1942     pthread_mutex_unlock(&pulse_lock);
1943     return *frames ? S_OK : AUDCLNT_S_BUFFER_EMPTY;
1944 }
1945
1946 static HRESULT WINAPI AudioCaptureClient_ReleaseBuffer(
1947         IAudioCaptureClient *iface, UINT32 done)
1948 {
1949     ACImpl *This = impl_from_IAudioCaptureClient(iface);
1950
1951     TRACE("(%p)->(%u)\n", This, done);
1952
1953     pthread_mutex_lock(&pulse_lock);
1954     if (!This->locked && done) {
1955         pthread_mutex_unlock(&pulse_lock);
1956         return AUDCLNT_E_OUT_OF_ORDER;
1957     }
1958     if (done && This->locked != done) {
1959         pthread_mutex_unlock(&pulse_lock);
1960         return AUDCLNT_E_INVALID_SIZE;
1961     }
1962     if (done) {
1963         ACPacket *packet = This->locked_ptr;
1964         This->locked_ptr = NULL;
1965         This->pad -= This->capture_period;
1966         if (packet->discont)
1967             This->clock_written += 2 * This->capture_period;
1968         else
1969             This->clock_written += This->capture_period;
1970         list_add_tail(&This->packet_free_head, &packet->entry);
1971     }
1972     This->locked = 0;
1973     pthread_mutex_unlock(&pulse_lock);
1974     return S_OK;
1975 }
1976
1977 static HRESULT WINAPI AudioCaptureClient_GetNextPacketSize(
1978         IAudioCaptureClient *iface, UINT32 *frames)
1979 {
1980     ACImpl *This = impl_from_IAudioCaptureClient(iface);
1981     ACPacket *p;
1982
1983     TRACE("(%p)->(%p)\n", This, frames);
1984     if (!frames)
1985         return E_POINTER;
1986
1987     pthread_mutex_lock(&pulse_lock);
1988     ACImpl_GetCapturePad(This, NULL);
1989     p = This->locked_ptr;
1990     if (p)
1991         *frames = This->capture_period / pa_frame_size(&This->ss);
1992     else
1993         *frames = 0;
1994     pthread_mutex_unlock(&pulse_lock);
1995     return S_OK;
1996 }
1997
1998 static const IAudioCaptureClientVtbl AudioCaptureClient_Vtbl =
1999 {
2000     AudioCaptureClient_QueryInterface,
2001     AudioCaptureClient_AddRef,
2002     AudioCaptureClient_Release,
2003     AudioCaptureClient_GetBuffer,
2004     AudioCaptureClient_ReleaseBuffer,
2005     AudioCaptureClient_GetNextPacketSize
2006 };
2007
2008 static HRESULT WINAPI AudioClock_QueryInterface(IAudioClock *iface,
2009         REFIID riid, void **ppv)
2010 {
2011     ACImpl *This = impl_from_IAudioClock(iface);
2012
2013     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2014
2015     if (!ppv)
2016         return E_POINTER;
2017     *ppv = NULL;
2018
2019     if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IAudioClock))
2020         *ppv = iface;
2021     else if (IsEqualIID(riid, &IID_IAudioClock2))
2022         *ppv = &This->IAudioClock2_iface;
2023     if (*ppv) {
2024         IUnknown_AddRef((IUnknown*)*ppv);
2025         return S_OK;
2026     }
2027
2028     WARN("Unknown interface %s\n", debugstr_guid(riid));
2029     return E_NOINTERFACE;
2030 }
2031
2032 static ULONG WINAPI AudioClock_AddRef(IAudioClock *iface)
2033 {
2034     ACImpl *This = impl_from_IAudioClock(iface);
2035     return IAudioClient_AddRef(&This->IAudioClient_iface);
2036 }
2037
2038 static ULONG WINAPI AudioClock_Release(IAudioClock *iface)
2039 {
2040     ACImpl *This = impl_from_IAudioClock(iface);
2041     return IAudioClient_Release(&This->IAudioClient_iface);
2042 }
2043
2044 static HRESULT WINAPI AudioClock_GetFrequency(IAudioClock *iface, UINT64 *freq)
2045 {
2046     ACImpl *This = impl_from_IAudioClock(iface);
2047     HRESULT hr;
2048
2049     TRACE("(%p)->(%p)\n", This, freq);
2050
2051     pthread_mutex_lock(&pulse_lock);
2052     hr = pulse_stream_valid(This);
2053     if (SUCCEEDED(hr))
2054         *freq = This->ss.rate * pa_frame_size(&This->ss);
2055     pthread_mutex_unlock(&pulse_lock);
2056     return hr;
2057 }
2058
2059 static HRESULT WINAPI AudioClock_GetPosition(IAudioClock *iface, UINT64 *pos,
2060         UINT64 *qpctime)
2061 {
2062     ACImpl *This = impl_from_IAudioClock(iface);
2063     HRESULT hr;
2064
2065     TRACE("(%p)->(%p, %p)\n", This, pos, qpctime);
2066
2067     if (!pos)
2068         return E_POINTER;
2069
2070     pthread_mutex_lock(&pulse_lock);
2071     hr = pulse_stream_valid(This);
2072     if (FAILED(hr)) {
2073         pthread_mutex_unlock(&pulse_lock);
2074         return hr;
2075     }
2076
2077     *pos = This->clock_written;
2078
2079     /* Make time never go backwards */
2080     if (*pos < This->clock_lastpos)
2081         *pos = This->clock_lastpos;
2082     else
2083         This->clock_lastpos = *pos;
2084     pthread_mutex_unlock(&pulse_lock);
2085
2086     TRACE("%p Position: %u\n", This, (unsigned)*pos);
2087
2088     if (qpctime) {
2089         LARGE_INTEGER stamp, freq;
2090         QueryPerformanceCounter(&stamp);
2091         QueryPerformanceFrequency(&freq);
2092         *qpctime = (stamp.QuadPart * (INT64)10000000) / freq.QuadPart;
2093     }
2094
2095     return S_OK;
2096 }
2097
2098 static HRESULT WINAPI AudioClock_GetCharacteristics(IAudioClock *iface,
2099         DWORD *chars)
2100 {
2101     ACImpl *This = impl_from_IAudioClock(iface);
2102
2103     TRACE("(%p)->(%p)\n", This, chars);
2104
2105     if (!chars)
2106         return E_POINTER;
2107
2108     *chars = AUDIOCLOCK_CHARACTERISTIC_FIXED_FREQ;
2109
2110     return S_OK;
2111 }
2112
2113 static const IAudioClockVtbl AudioClock_Vtbl =
2114 {
2115     AudioClock_QueryInterface,
2116     AudioClock_AddRef,
2117     AudioClock_Release,
2118     AudioClock_GetFrequency,
2119     AudioClock_GetPosition,
2120     AudioClock_GetCharacteristics
2121 };
2122
2123 static HRESULT WINAPI AudioClock2_QueryInterface(IAudioClock2 *iface,
2124         REFIID riid, void **ppv)
2125 {
2126     ACImpl *This = impl_from_IAudioClock2(iface);
2127     return IAudioClock_QueryInterface(&This->IAudioClock_iface, riid, ppv);
2128 }
2129
2130 static ULONG WINAPI AudioClock2_AddRef(IAudioClock2 *iface)
2131 {
2132     ACImpl *This = impl_from_IAudioClock2(iface);
2133     return IAudioClient_AddRef(&This->IAudioClient_iface);
2134 }
2135
2136 static ULONG WINAPI AudioClock2_Release(IAudioClock2 *iface)
2137 {
2138     ACImpl *This = impl_from_IAudioClock2(iface);
2139     return IAudioClient_Release(&This->IAudioClient_iface);
2140 }
2141
2142 static HRESULT WINAPI AudioClock2_GetDevicePosition(IAudioClock2 *iface,
2143         UINT64 *pos, UINT64 *qpctime)
2144 {
2145     ACImpl *This = impl_from_IAudioClock2(iface);
2146     HRESULT hr = AudioClock_GetPosition(&This->IAudioClock_iface, pos, qpctime);
2147     if (SUCCEEDED(hr))
2148         *pos /= pa_frame_size(&This->ss);
2149     return hr;
2150 }
2151
2152 static const IAudioClock2Vtbl AudioClock2_Vtbl =
2153 {
2154     AudioClock2_QueryInterface,
2155     AudioClock2_AddRef,
2156     AudioClock2_Release,
2157     AudioClock2_GetDevicePosition
2158 };
2159
2160 static HRESULT WINAPI AudioStreamVolume_QueryInterface(
2161         IAudioStreamVolume *iface, REFIID riid, void **ppv)
2162 {
2163     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2164
2165     if (!ppv)
2166         return E_POINTER;
2167     *ppv = NULL;
2168
2169     if (IsEqualIID(riid, &IID_IUnknown) ||
2170         IsEqualIID(riid, &IID_IAudioStreamVolume))
2171         *ppv = iface;
2172     if (*ppv) {
2173         IUnknown_AddRef((IUnknown*)*ppv);
2174         return S_OK;
2175     }
2176
2177     WARN("Unknown interface %s\n", debugstr_guid(riid));
2178     return E_NOINTERFACE;
2179 }
2180
2181 static ULONG WINAPI AudioStreamVolume_AddRef(IAudioStreamVolume *iface)
2182 {
2183     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2184     return IAudioClient_AddRef(&This->IAudioClient_iface);
2185 }
2186
2187 static ULONG WINAPI AudioStreamVolume_Release(IAudioStreamVolume *iface)
2188 {
2189     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2190     return IAudioClient_Release(&This->IAudioClient_iface);
2191 }
2192
2193 static HRESULT WINAPI AudioStreamVolume_GetChannelCount(
2194         IAudioStreamVolume *iface, UINT32 *out)
2195 {
2196     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2197
2198     TRACE("(%p)->(%p)\n", This, out);
2199
2200     if (!out)
2201         return E_POINTER;
2202
2203     *out = This->ss.channels;
2204
2205     return S_OK;
2206 }
2207
2208 struct pulse_info_cb_data {
2209     UINT32 n;
2210     float *levels;
2211 };
2212
2213 static void pulse_sink_input_info_cb(pa_context *c, const pa_sink_input_info *info, int eol, void *data)
2214 {
2215     struct pulse_info_cb_data *d = data;
2216     int i;
2217     if (eol)
2218         return;
2219     for (i = 0; i < d->n; ++i)
2220         d->levels[i] = (float)info->volume.values[i] / (float)PA_VOLUME_NORM;
2221     pthread_cond_signal(&pulse_cond);
2222 }
2223
2224 static void pulse_source_info_cb(pa_context *c, const pa_source_info *info, int eol, void *data)
2225 {
2226     struct pulse_info_cb_data *d = data;
2227     int i;
2228     if (eol)
2229         return;
2230     for (i = 0; i < d->n; ++i)
2231         d->levels[i] = (float)info->volume.values[i] / (float)PA_VOLUME_NORM;
2232     pthread_cond_signal(&pulse_cond);
2233 }
2234
2235 static HRESULT WINAPI AudioStreamVolume_SetAllVolumes(
2236         IAudioStreamVolume *iface, UINT32 count, const float *levels)
2237 {
2238     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2239     pa_operation *o;
2240     HRESULT hr;
2241     int success = 0, i;
2242     pa_cvolume cv;
2243
2244     TRACE("(%p)->(%d, %p)\n", This, count, levels);
2245
2246     if (!levels)
2247         return E_POINTER;
2248
2249     if (count != This->ss.channels)
2250         return E_INVALIDARG;
2251
2252     pthread_mutex_lock(&pulse_lock);
2253     hr = pulse_stream_valid(This);
2254     if (FAILED(hr))
2255         goto out;
2256
2257     if (pulse_stream_volume) {
2258         cv.channels = count;
2259         for (i = 0; i < cv.channels; ++i)
2260             cv.values[i] = levels[i] * (float)PA_VOLUME_NORM;
2261         if (This->dataflow == eRender)
2262             o = pa_context_set_sink_input_volume(pulse_ctx, pa_stream_get_index(This->stream), &cv, pulse_ctx_op_cb, &success);
2263         else
2264             o = pa_context_set_source_volume_by_index(pulse_ctx, pa_stream_get_device_index(This->stream), &cv, pulse_ctx_op_cb, &success);
2265         if (o) {
2266             while(pa_operation_get_state(o) == PA_OPERATION_RUNNING)
2267                 pthread_cond_wait(&pulse_cond, &pulse_lock);
2268             pa_operation_unref(o);
2269         }
2270         if (!success)
2271             hr = AUDCLNT_E_BUFFER_ERROR;
2272     } else {
2273         int i;
2274         for (i = 0; i < count; ++i)
2275             This->vol[i] = levels[i];
2276     }
2277
2278 out:
2279     pthread_mutex_unlock(&pulse_lock);
2280     return hr;
2281 }
2282
2283 static HRESULT WINAPI AudioStreamVolume_GetAllVolumes(
2284         IAudioStreamVolume *iface, UINT32 count, float *levels)
2285 {
2286     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2287     pa_operation *o;
2288     HRESULT hr;
2289     struct pulse_info_cb_data info;
2290
2291     TRACE("(%p)->(%d, %p)\n", This, count, levels);
2292
2293     if (!levels)
2294         return E_POINTER;
2295
2296     if (count != This->ss.channels)
2297         return E_INVALIDARG;
2298
2299     pthread_mutex_lock(&pulse_lock);
2300     hr = pulse_stream_valid(This);
2301     if (FAILED(hr))
2302         goto out;
2303
2304     if (pulse_stream_volume) {
2305         info.n = count;
2306         info.levels = levels;
2307         if (This->dataflow == eRender)
2308             o = pa_context_get_sink_input_info(pulse_ctx, pa_stream_get_index(This->stream), pulse_sink_input_info_cb, &info);
2309         else
2310             o = pa_context_get_source_info_by_index(pulse_ctx, pa_stream_get_device_index(This->stream), pulse_source_info_cb, &info);
2311         if (o) {
2312             while(pa_operation_get_state(o) == PA_OPERATION_RUNNING)
2313                 pthread_cond_wait(&pulse_cond, &pulse_lock);
2314             pa_operation_unref(o);
2315         } else
2316             hr = AUDCLNT_E_BUFFER_ERROR;
2317     } else {
2318         int i;
2319         for (i = 0; i < count; ++i)
2320             levels[i] = This->vol[i];
2321     }
2322
2323 out:
2324     pthread_mutex_unlock(&pulse_lock);
2325     return hr;
2326 }
2327
2328 static HRESULT WINAPI AudioStreamVolume_SetChannelVolume(
2329         IAudioStreamVolume *iface, UINT32 index, float level)
2330 {
2331     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2332     HRESULT hr;
2333     float volumes[PA_CHANNELS_MAX];
2334
2335     TRACE("(%p)->(%d, %f)\n", This, index, level);
2336
2337     if (level < 0.f || level > 1.f)
2338         return E_INVALIDARG;
2339
2340     if (index >= This->ss.channels)
2341         return E_INVALIDARG;
2342
2343     hr = AudioStreamVolume_GetAllVolumes(iface, This->ss.channels, volumes);
2344     volumes[index] = level;
2345     if (SUCCEEDED(hr))
2346         hr = AudioStreamVolume_SetAllVolumes(iface, This->ss.channels, volumes);
2347     return hr;
2348 }
2349
2350 static HRESULT WINAPI AudioStreamVolume_GetChannelVolume(
2351         IAudioStreamVolume *iface, UINT32 index, float *level)
2352 {
2353     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2354     float volumes[PA_CHANNELS_MAX];
2355     HRESULT hr;
2356
2357     TRACE("(%p)->(%d, %p)\n", This, index, level);
2358
2359     if (!level)
2360         return E_POINTER;
2361
2362     if (index >= This->ss.channels)
2363         return E_INVALIDARG;
2364
2365     hr = AudioStreamVolume_GetAllVolumes(iface, This->ss.channels, volumes);
2366     if (SUCCEEDED(hr))
2367         *level = volumes[index];
2368     return hr;
2369 }
2370
2371 static const IAudioStreamVolumeVtbl AudioStreamVolume_Vtbl =
2372 {
2373     AudioStreamVolume_QueryInterface,
2374     AudioStreamVolume_AddRef,
2375     AudioStreamVolume_Release,
2376     AudioStreamVolume_GetChannelCount,
2377     AudioStreamVolume_SetChannelVolume,
2378     AudioStreamVolume_GetChannelVolume,
2379     AudioStreamVolume_SetAllVolumes,
2380     AudioStreamVolume_GetAllVolumes
2381 };
2382
2383 static AudioSessionWrapper *AudioSessionWrapper_Create(ACImpl *client)
2384 {
2385     AudioSessionWrapper *ret;
2386
2387     ret = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
2388             sizeof(AudioSessionWrapper));
2389     if (!ret)
2390         return NULL;
2391
2392     ret->IAudioSessionControl2_iface.lpVtbl = &AudioSessionControl2_Vtbl;
2393     ret->ISimpleAudioVolume_iface.lpVtbl = &SimpleAudioVolume_Vtbl;
2394     ret->IChannelAudioVolume_iface.lpVtbl = &ChannelAudioVolume_Vtbl;
2395
2396     ret->ref = !client;
2397
2398     ret->client = client;
2399     if (client) {
2400         ret->session = client->session;
2401         AudioClient_AddRef(&client->IAudioClient_iface);
2402     }
2403
2404     return ret;
2405 }
2406
2407 static HRESULT WINAPI AudioSessionControl_QueryInterface(
2408         IAudioSessionControl2 *iface, REFIID riid, void **ppv)
2409 {
2410     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2411
2412     if (!ppv)
2413         return E_POINTER;
2414     *ppv = NULL;
2415
2416     if (IsEqualIID(riid, &IID_IUnknown) ||
2417         IsEqualIID(riid, &IID_IAudioSessionControl) ||
2418         IsEqualIID(riid, &IID_IAudioSessionControl2))
2419         *ppv = iface;
2420     if (*ppv) {
2421         IUnknown_AddRef((IUnknown*)*ppv);
2422         return S_OK;
2423     }
2424
2425     WARN("Unknown interface %s\n", debugstr_guid(riid));
2426     return E_NOINTERFACE;
2427 }
2428
2429 static ULONG WINAPI AudioSessionControl_AddRef(IAudioSessionControl2 *iface)
2430 {
2431     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2432     ULONG ref;
2433     ref = InterlockedIncrement(&This->ref);
2434     TRACE("(%p) Refcount now %u\n", This, ref);
2435     return ref;
2436 }
2437
2438 static ULONG WINAPI AudioSessionControl_Release(IAudioSessionControl2 *iface)
2439 {
2440     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2441     ULONG ref;
2442     ref = InterlockedDecrement(&This->ref);
2443     TRACE("(%p) Refcount now %u\n", This, ref);
2444     if (!ref) {
2445         if (This->client) {
2446             This->client->session_wrapper = NULL;
2447             AudioClient_Release(&This->client->IAudioClient_iface);
2448         }
2449         HeapFree(GetProcessHeap(), 0, This);
2450     }
2451     return ref;
2452 }
2453
2454 static HRESULT WINAPI AudioSessionControl_GetState(IAudioSessionControl2 *iface,
2455         AudioSessionState *state)
2456 {
2457     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2458     ACImpl *client;
2459
2460     TRACE("(%p)->(%p)\n", This, state);
2461
2462     if (!state)
2463         return NULL_PTR_ERR;
2464
2465     pthread_mutex_lock(&pulse_lock);
2466     if (list_empty(&This->session->clients)) {
2467         *state = AudioSessionStateExpired;
2468         goto out;
2469     }
2470     LIST_FOR_EACH_ENTRY(client, &This->session->clients, ACImpl, entry) {
2471         if (client->started) {
2472             *state = AudioSessionStateActive;
2473             goto out;
2474         }
2475     }
2476     *state = AudioSessionStateInactive;
2477
2478 out:
2479     pthread_mutex_unlock(&pulse_lock);
2480     return S_OK;
2481 }
2482
2483 static HRESULT WINAPI AudioSessionControl_GetDisplayName(
2484         IAudioSessionControl2 *iface, WCHAR **name)
2485 {
2486     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2487
2488     FIXME("(%p)->(%p) - stub\n", This, name);
2489
2490     return E_NOTIMPL;
2491 }
2492
2493 static HRESULT WINAPI AudioSessionControl_SetDisplayName(
2494         IAudioSessionControl2 *iface, const WCHAR *name, const GUID *session)
2495 {
2496     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2497
2498     FIXME("(%p)->(%p, %s) - stub\n", This, name, debugstr_guid(session));
2499
2500     return E_NOTIMPL;
2501 }
2502
2503 static HRESULT WINAPI AudioSessionControl_GetIconPath(
2504         IAudioSessionControl2 *iface, WCHAR **path)
2505 {
2506     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2507
2508     FIXME("(%p)->(%p) - stub\n", This, path);
2509
2510     return E_NOTIMPL;
2511 }
2512
2513 static HRESULT WINAPI AudioSessionControl_SetIconPath(
2514         IAudioSessionControl2 *iface, const WCHAR *path, const GUID *session)
2515 {
2516     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2517
2518     FIXME("(%p)->(%p, %s) - stub\n", This, path, debugstr_guid(session));
2519
2520     return E_NOTIMPL;
2521 }
2522
2523 static HRESULT WINAPI AudioSessionControl_GetGroupingParam(
2524         IAudioSessionControl2 *iface, GUID *group)
2525 {
2526     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2527
2528     FIXME("(%p)->(%p) - stub\n", This, group);
2529
2530     return E_NOTIMPL;
2531 }
2532
2533 static HRESULT WINAPI AudioSessionControl_SetGroupingParam(
2534         IAudioSessionControl2 *iface, const GUID *group, const GUID *session)
2535 {
2536     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2537
2538     FIXME("(%p)->(%s, %s) - stub\n", This, debugstr_guid(group),
2539             debugstr_guid(session));
2540
2541     return E_NOTIMPL;
2542 }
2543
2544 static HRESULT WINAPI AudioSessionControl_RegisterAudioSessionNotification(
2545         IAudioSessionControl2 *iface, IAudioSessionEvents *events)
2546 {
2547     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2548
2549     FIXME("(%p)->(%p) - stub\n", This, events);
2550
2551     return S_OK;
2552 }
2553
2554 static HRESULT WINAPI AudioSessionControl_UnregisterAudioSessionNotification(
2555         IAudioSessionControl2 *iface, IAudioSessionEvents *events)
2556 {
2557     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2558
2559     FIXME("(%p)->(%p) - stub\n", This, events);
2560
2561     return S_OK;
2562 }
2563
2564 static HRESULT WINAPI AudioSessionControl_GetSessionIdentifier(
2565         IAudioSessionControl2 *iface, WCHAR **id)
2566 {
2567     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2568
2569     FIXME("(%p)->(%p) - stub\n", This, id);
2570
2571     return E_NOTIMPL;
2572 }
2573
2574 static HRESULT WINAPI AudioSessionControl_GetSessionInstanceIdentifier(
2575         IAudioSessionControl2 *iface, WCHAR **id)
2576 {
2577     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2578
2579     FIXME("(%p)->(%p) - stub\n", This, id);
2580
2581     return E_NOTIMPL;
2582 }
2583
2584 static HRESULT WINAPI AudioSessionControl_GetProcessId(
2585         IAudioSessionControl2 *iface, DWORD *pid)
2586 {
2587     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2588
2589     TRACE("(%p)->(%p)\n", This, pid);
2590
2591     if (!pid)
2592         return E_POINTER;
2593
2594     *pid = GetCurrentProcessId();
2595
2596     return S_OK;
2597 }
2598
2599 static HRESULT WINAPI AudioSessionControl_IsSystemSoundsSession(
2600         IAudioSessionControl2 *iface)
2601 {
2602     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2603
2604     TRACE("(%p)\n", This);
2605
2606     return S_FALSE;
2607 }
2608
2609 static HRESULT WINAPI AudioSessionControl_SetDuckingPreference(
2610         IAudioSessionControl2 *iface, BOOL optout)
2611 {
2612     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2613
2614     TRACE("(%p)->(%d)\n", This, optout);
2615
2616     return S_OK;
2617 }
2618
2619 static const IAudioSessionControl2Vtbl AudioSessionControl2_Vtbl =
2620 {
2621     AudioSessionControl_QueryInterface,
2622     AudioSessionControl_AddRef,
2623     AudioSessionControl_Release,
2624     AudioSessionControl_GetState,
2625     AudioSessionControl_GetDisplayName,
2626     AudioSessionControl_SetDisplayName,
2627     AudioSessionControl_GetIconPath,
2628     AudioSessionControl_SetIconPath,
2629     AudioSessionControl_GetGroupingParam,
2630     AudioSessionControl_SetGroupingParam,
2631     AudioSessionControl_RegisterAudioSessionNotification,
2632     AudioSessionControl_UnregisterAudioSessionNotification,
2633     AudioSessionControl_GetSessionIdentifier,
2634     AudioSessionControl_GetSessionInstanceIdentifier,
2635     AudioSessionControl_GetProcessId,
2636     AudioSessionControl_IsSystemSoundsSession,
2637     AudioSessionControl_SetDuckingPreference
2638 };
2639
2640 typedef struct _SessionMgr {
2641     IAudioSessionManager2 IAudioSessionManager2_iface;
2642
2643     LONG ref;
2644
2645     IMMDevice *device;
2646 } SessionMgr;
2647
2648 static HRESULT WINAPI AudioSessionManager_QueryInterface(IAudioSessionManager2 *iface,
2649         REFIID riid, void **ppv)
2650 {
2651     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2652
2653     if (!ppv)
2654         return E_POINTER;
2655     *ppv = NULL;
2656
2657     if (IsEqualIID(riid, &IID_IUnknown) ||
2658         IsEqualIID(riid, &IID_IAudioSessionManager) ||
2659         IsEqualIID(riid, &IID_IAudioSessionManager2))
2660         *ppv = iface;
2661     if (*ppv) {
2662         IUnknown_AddRef((IUnknown*)*ppv);
2663         return S_OK;
2664     }
2665
2666     WARN("Unknown interface %s\n", debugstr_guid(riid));
2667     return E_NOINTERFACE;
2668 }
2669
2670 static inline SessionMgr *impl_from_IAudioSessionManager2(IAudioSessionManager2 *iface)
2671 {
2672     return CONTAINING_RECORD(iface, SessionMgr, IAudioSessionManager2_iface);
2673 }
2674
2675 static ULONG WINAPI AudioSessionManager_AddRef(IAudioSessionManager2 *iface)
2676 {
2677     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
2678     ULONG ref;
2679     ref = InterlockedIncrement(&This->ref);
2680     TRACE("(%p) Refcount now %u\n", This, ref);
2681     return ref;
2682 }
2683
2684 static ULONG WINAPI AudioSessionManager_Release(IAudioSessionManager2 *iface)
2685 {
2686     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
2687     ULONG ref;
2688     ref = InterlockedDecrement(&This->ref);
2689     TRACE("(%p) Refcount now %u\n", This, ref);
2690     if (!ref)
2691         HeapFree(GetProcessHeap(), 0, This);
2692     return ref;
2693 }
2694
2695 static HRESULT WINAPI AudioSessionManager_GetAudioSessionControl(
2696         IAudioSessionManager2 *iface, const GUID *session_guid, DWORD flags,
2697         IAudioSessionControl **out)
2698 {
2699     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
2700     AudioSession *session;
2701     AudioSessionWrapper *wrapper;
2702     HRESULT hr;
2703
2704     TRACE("(%p)->(%s, %x, %p)\n", This, debugstr_guid(session_guid),
2705             flags, out);
2706
2707     hr = get_audio_session(session_guid, This->device, 0, &session);
2708     if (FAILED(hr))
2709         return hr;
2710
2711     wrapper = AudioSessionWrapper_Create(NULL);
2712     if (!wrapper)
2713         return E_OUTOFMEMORY;
2714
2715     wrapper->session = session;
2716
2717     *out = (IAudioSessionControl*)&wrapper->IAudioSessionControl2_iface;
2718
2719     return S_OK;
2720 }
2721
2722 static HRESULT WINAPI AudioSessionManager_GetSimpleAudioVolume(
2723         IAudioSessionManager2 *iface, const GUID *session_guid, DWORD flags,
2724         ISimpleAudioVolume **out)
2725 {
2726     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
2727     AudioSession *session;
2728     AudioSessionWrapper *wrapper;
2729     HRESULT hr;
2730
2731     TRACE("(%p)->(%s, %x, %p)\n", This, debugstr_guid(session_guid),
2732             flags, out);
2733
2734     hr = get_audio_session(session_guid, This->device, 0, &session);
2735     if (FAILED(hr))
2736         return hr;
2737
2738     wrapper = AudioSessionWrapper_Create(NULL);
2739     if (!wrapper)
2740         return E_OUTOFMEMORY;
2741
2742     wrapper->session = session;
2743
2744     *out = &wrapper->ISimpleAudioVolume_iface;
2745
2746     return S_OK;
2747 }
2748
2749 static HRESULT WINAPI AudioSessionManager_GetSessionEnumerator(
2750         IAudioSessionManager2 *iface, IAudioSessionEnumerator **out)
2751 {
2752     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
2753     FIXME("(%p)->(%p) - stub\n", This, out);
2754     return E_NOTIMPL;
2755 }
2756
2757 static HRESULT WINAPI AudioSessionManager_RegisterSessionNotification(
2758         IAudioSessionManager2 *iface, IAudioSessionNotification *notification)
2759 {
2760     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
2761     FIXME("(%p)->(%p) - stub\n", This, notification);
2762     return E_NOTIMPL;
2763 }
2764
2765 static HRESULT WINAPI AudioSessionManager_UnregisterSessionNotification(
2766         IAudioSessionManager2 *iface, IAudioSessionNotification *notification)
2767 {
2768     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
2769     FIXME("(%p)->(%p) - stub\n", This, notification);
2770     return E_NOTIMPL;
2771 }
2772
2773 static HRESULT WINAPI AudioSessionManager_RegisterDuckNotification(
2774         IAudioSessionManager2 *iface, const WCHAR *session_id,
2775         IAudioVolumeDuckNotification *notification)
2776 {
2777     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
2778     FIXME("(%p)->(%p) - stub\n", This, notification);
2779     return E_NOTIMPL;
2780 }
2781
2782 static HRESULT WINAPI AudioSessionManager_UnregisterDuckNotification(
2783         IAudioSessionManager2 *iface,
2784         IAudioVolumeDuckNotification *notification)
2785 {
2786     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
2787     FIXME("(%p)->(%p) - stub\n", This, notification);
2788     return E_NOTIMPL;
2789 }
2790
2791 static const IAudioSessionManager2Vtbl AudioSessionManager2_Vtbl =
2792 {
2793     AudioSessionManager_QueryInterface,
2794     AudioSessionManager_AddRef,
2795     AudioSessionManager_Release,
2796     AudioSessionManager_GetAudioSessionControl,
2797     AudioSessionManager_GetSimpleAudioVolume,
2798     AudioSessionManager_GetSessionEnumerator,
2799     AudioSessionManager_RegisterSessionNotification,
2800     AudioSessionManager_UnregisterSessionNotification,
2801     AudioSessionManager_RegisterDuckNotification,
2802     AudioSessionManager_UnregisterDuckNotification
2803 };
2804
2805 static HRESULT WINAPI SimpleAudioVolume_QueryInterface(
2806         ISimpleAudioVolume *iface, REFIID riid, void **ppv)
2807 {
2808     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2809
2810     if (!ppv)
2811         return E_POINTER;
2812     *ppv = NULL;
2813
2814     if (IsEqualIID(riid, &IID_IUnknown) ||
2815         IsEqualIID(riid, &IID_ISimpleAudioVolume))
2816         *ppv = iface;
2817     if (*ppv) {
2818         IUnknown_AddRef((IUnknown*)*ppv);
2819         return S_OK;
2820     }
2821
2822     WARN("Unknown interface %s\n", debugstr_guid(riid));
2823     return E_NOINTERFACE;
2824 }
2825
2826 static ULONG WINAPI SimpleAudioVolume_AddRef(ISimpleAudioVolume *iface)
2827 {
2828     AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2829     return AudioSessionControl_AddRef(&This->IAudioSessionControl2_iface);
2830 }
2831
2832 static ULONG WINAPI SimpleAudioVolume_Release(ISimpleAudioVolume *iface)
2833 {
2834     AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2835     return AudioSessionControl_Release(&This->IAudioSessionControl2_iface);
2836 }
2837
2838 static HRESULT WINAPI SimpleAudioVolume_SetMasterVolume(
2839         ISimpleAudioVolume *iface, float level, const GUID *context)
2840 {
2841     AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2842     AudioSession *session = This->session;
2843
2844     TRACE("(%p)->(%f, %s)\n", session, level, wine_dbgstr_guid(context));
2845
2846     if (level < 0.f || level > 1.f)
2847         return E_INVALIDARG;
2848
2849     if (context)
2850         FIXME("Notifications not supported yet\n");
2851
2852     TRACE("Pulseaudio does not support session volume control\n");
2853
2854     pthread_mutex_lock(&pulse_lock);
2855     session->master_vol = level;
2856     pthread_mutex_unlock(&pulse_lock);
2857
2858     return S_OK;
2859 }
2860
2861 static HRESULT WINAPI SimpleAudioVolume_GetMasterVolume(
2862         ISimpleAudioVolume *iface, float *level)
2863 {
2864     AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2865     AudioSession *session = This->session;
2866
2867     TRACE("(%p)->(%p)\n", session, level);
2868
2869     if (!level)
2870         return NULL_PTR_ERR;
2871
2872     *level = session->master_vol;
2873
2874     return S_OK;
2875 }
2876
2877 static HRESULT WINAPI SimpleAudioVolume_SetMute(ISimpleAudioVolume *iface,
2878         BOOL mute, const GUID *context)
2879 {
2880     AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2881     AudioSession *session = This->session;
2882
2883     TRACE("(%p)->(%u, %p)\n", session, mute, context);
2884
2885     if (context)
2886         FIXME("Notifications not supported yet\n");
2887
2888     session->mute = mute;
2889
2890     return S_OK;
2891 }
2892
2893 static HRESULT WINAPI SimpleAudioVolume_GetMute(ISimpleAudioVolume *iface,
2894         BOOL *mute)
2895 {
2896     AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2897     AudioSession *session = This->session;
2898
2899     TRACE("(%p)->(%p)\n", session, mute);
2900
2901     if (!mute)
2902         return NULL_PTR_ERR;
2903
2904     *mute = session->mute;
2905
2906     return S_OK;
2907 }
2908
2909 static const ISimpleAudioVolumeVtbl SimpleAudioVolume_Vtbl  =
2910 {
2911     SimpleAudioVolume_QueryInterface,
2912     SimpleAudioVolume_AddRef,
2913     SimpleAudioVolume_Release,
2914     SimpleAudioVolume_SetMasterVolume,
2915     SimpleAudioVolume_GetMasterVolume,
2916     SimpleAudioVolume_SetMute,
2917     SimpleAudioVolume_GetMute
2918 };
2919
2920 static HRESULT WINAPI ChannelAudioVolume_QueryInterface(
2921         IChannelAudioVolume *iface, REFIID riid, void **ppv)
2922 {
2923     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2924
2925     if (!ppv)
2926         return E_POINTER;
2927     *ppv = NULL;
2928
2929     if (IsEqualIID(riid, &IID_IUnknown) ||
2930         IsEqualIID(riid, &IID_IChannelAudioVolume))
2931         *ppv = iface;
2932     if (*ppv) {
2933         IUnknown_AddRef((IUnknown*)*ppv);
2934         return S_OK;
2935     }
2936
2937     WARN("Unknown interface %s\n", debugstr_guid(riid));
2938     return E_NOINTERFACE;
2939 }
2940
2941 static ULONG WINAPI ChannelAudioVolume_AddRef(IChannelAudioVolume *iface)
2942 {
2943     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
2944     return AudioSessionControl_AddRef(&This->IAudioSessionControl2_iface);
2945 }
2946
2947 static ULONG WINAPI ChannelAudioVolume_Release(IChannelAudioVolume *iface)
2948 {
2949     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
2950     return AudioSessionControl_Release(&This->IAudioSessionControl2_iface);
2951 }
2952
2953 static HRESULT WINAPI ChannelAudioVolume_GetChannelCount(
2954         IChannelAudioVolume *iface, UINT32 *out)
2955 {
2956     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
2957     AudioSession *session = This->session;
2958
2959     TRACE("(%p)->(%p)\n", session, out);
2960
2961     if (!out)
2962         return NULL_PTR_ERR;
2963
2964     *out = session->channel_count;
2965
2966     return S_OK;
2967 }
2968
2969 static HRESULT WINAPI ChannelAudioVolume_SetChannelVolume(
2970         IChannelAudioVolume *iface, UINT32 index, float level,
2971         const GUID *context)
2972 {
2973     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
2974     AudioSession *session = This->session;
2975
2976     TRACE("(%p)->(%d, %f, %s)\n", session, index, level,
2977             wine_dbgstr_guid(context));
2978
2979     if (level < 0.f || level > 1.f)
2980         return E_INVALIDARG;
2981
2982     if (index >= session->channel_count)
2983         return E_INVALIDARG;
2984
2985     if (context)
2986         FIXME("Notifications not supported yet\n");
2987
2988     TRACE("Pulseaudio does not support session volume control\n");
2989
2990     pthread_mutex_lock(&pulse_lock);
2991     session->channel_vols[index] = level;
2992     pthread_mutex_unlock(&pulse_lock);
2993
2994     return S_OK;
2995 }
2996
2997 static HRESULT WINAPI ChannelAudioVolume_GetChannelVolume(
2998         IChannelAudioVolume *iface, UINT32 index, float *level)
2999 {
3000     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
3001     AudioSession *session = This->session;
3002
3003     TRACE("(%p)->(%d, %p)\n", session, index, level);
3004
3005     if (!level)
3006         return NULL_PTR_ERR;
3007
3008     if (index >= session->channel_count)
3009         return E_INVALIDARG;
3010
3011     *level = session->channel_vols[index];
3012
3013     return S_OK;
3014 }
3015
3016 static HRESULT WINAPI ChannelAudioVolume_SetAllVolumes(
3017         IChannelAudioVolume *iface, UINT32 count, const float *levels,
3018         const GUID *context)
3019 {
3020     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
3021     AudioSession *session = This->session;
3022     int i;
3023
3024     TRACE("(%p)->(%d, %p, %s)\n", session, count, levels,
3025             wine_dbgstr_guid(context));
3026
3027     if (!levels)
3028         return NULL_PTR_ERR;
3029
3030     if (count != session->channel_count)
3031         return E_INVALIDARG;
3032
3033     if (context)
3034         FIXME("Notifications not supported yet\n");
3035
3036     TRACE("Pulseaudio does not support session volume control\n");
3037
3038     pthread_mutex_lock(&pulse_lock);
3039     for(i = 0; i < count; ++i)
3040         session->channel_vols[i] = levels[i];
3041     pthread_mutex_unlock(&pulse_lock);
3042     return S_OK;
3043 }
3044
3045 static HRESULT WINAPI ChannelAudioVolume_GetAllVolumes(
3046         IChannelAudioVolume *iface, UINT32 count, float *levels)
3047 {
3048     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
3049     AudioSession *session = This->session;
3050     int i;
3051
3052     TRACE("(%p)->(%d, %p)\n", session, count, levels);
3053
3054     if (!levels)
3055         return NULL_PTR_ERR;
3056
3057     if (count != session->channel_count)
3058         return E_INVALIDARG;
3059
3060     for(i = 0; i < count; ++i)
3061         levels[i] = session->channel_vols[i];
3062
3063     return S_OK;
3064 }
3065
3066 static const IChannelAudioVolumeVtbl ChannelAudioVolume_Vtbl =
3067 {
3068     ChannelAudioVolume_QueryInterface,
3069     ChannelAudioVolume_AddRef,
3070     ChannelAudioVolume_Release,
3071     ChannelAudioVolume_GetChannelCount,
3072     ChannelAudioVolume_SetChannelVolume,
3073     ChannelAudioVolume_GetChannelVolume,
3074     ChannelAudioVolume_SetAllVolumes,
3075     ChannelAudioVolume_GetAllVolumes
3076 };
3077
3078 HRESULT WINAPI AUDDRV_GetAudioSessionManager(IMMDevice *device,
3079         IAudioSessionManager2 **out)
3080 {
3081     SessionMgr *This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(SessionMgr));
3082     *out = NULL;
3083     if (!This)
3084         return E_OUTOFMEMORY;
3085     This->IAudioSessionManager2_iface.lpVtbl = &AudioSessionManager2_Vtbl;
3086     This->device = device;
3087     This->ref = 1;
3088     *out = &This->IAudioSessionManager2_iface;
3089     return S_OK;
3090 }