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
  21 #define NONAMELESSUNION
  22 #define COBJMACROS
  23 #define _GNU_SOURCE
  24
  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 #include <errno.h>
  34
  35 #include <pulse/pulseaudio.h>
  36
  37 #include "windef.h"
  38 #include "winbase.h"
  39 #include "winnls.h"
  40 #include "winreg.h"
  41 #include "wine/debug.h"
  42 #include "wine/unicode.h"
  43 #include "wine/list.h"
  44
  45 #include "ole2.h"
  46 #include "dshow.h"
  47 #include "dsound.h"
  48 #include "propsys.h"
  49
  50 #include "initguid.h"
  51 #include "ks.h"
  52 #include "ksmedia.h"
  53 #include "mmdeviceapi.h"
  54 #include "audioclient.h"
  55 #include "endpointvolume.h"
  56 #include "audiopolicy.h"
  57
  58 WINE_DEFAULT_DEBUG_CHANNEL(pulse);
  59
  60 #define NULL_PTR_ERR MAKE_HRESULT(SEVERITY_ERROR, FACILITY_WIN32, RPC_X_NULL_REF_POINTER)
  61
  62 /* From <dlls/mmdevapi/mmdevapi.h> */
  63 enum DriverPriority {
  64     Priority_Unavailable = 0,
  65     Priority_Low,
  66     Priority_Neutral,
  67     Priority_Preferred
  68 };
  69
  70 static const REFERENCE_TIME MinimumPeriod = 30000;
  71 static const REFERENCE_TIME DefaultPeriod = 100000;
  72
  73 static pa_context *pulse_ctx;
  74 static pa_mainloop *pulse_ml;
  75
  76 static HANDLE pulse_thread;
  77 static pthread_mutex_t pulse_lock;
  78 static pthread_cond_t pulse_cond = PTHREAD_COND_INITIALIZER;
  79 static struct list g_sessions = LIST_INIT(g_sessions);
  80
  81 /* Mixer format + period times */
  82 static WAVEFORMATEXTENSIBLE pulse_fmt[2];
  83 static REFERENCE_TIME pulse_min_period[2], pulse_def_period[2];
  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 BOOL WINAPI DllMain(HINSTANCE dll, DWORD reason, void *reserved)
  91 {
  92     if (reason == DLL_PROCESS_ATTACH) {
  93         pthread_mutexattr_t attr;
  94
  95         DisableThreadLibraryCalls(dll);
  96
  97         pthread_mutexattr_init(&attr);
  98         pthread_mutexattr_setprotocol(&attr, PTHREAD_PRIO_INHERIT);
  99
 100         if (pthread_mutex_init(&pulse_lock, &attr) != 0)
 101             pthread_mutex_init(&pulse_lock, NULL);
 102     } else if (reason == DLL_PROCESS_DETACH) {
 103         if (pulse_thread)
 104            SetThreadPriority(pulse_thread, 0);
 105         if (pulse_ctx) {
 106             pa_context_disconnect(pulse_ctx);
 107             pa_context_unref(pulse_ctx);
 108         }
 109         if (pulse_ml)
 110             pa_mainloop_quit(pulse_ml, 0);
 111         if (pulse_thread) {
 112             WaitForSingleObject(pulse_thread, INFINITE);
 113             CloseHandle(pulse_thread);
 114         }
 115     }
 116     return TRUE;
 117 }
 118
 119 typedef struct ACImpl ACImpl;
 120
 121 typedef struct _AudioSession {
 122     GUID guid;
 123     struct list clients;
 124
 125     IMMDevice *device;
 126
 127     float master_vol;
 128     UINT32 channel_count;
 129     float *channel_vols;
 130     BOOL mute;
 131
 132     struct list entry;
 133 } AudioSession;
 134
 135 typedef struct _AudioSessionWrapper {
 136     IAudioSessionControl2 IAudioSessionControl2_iface;
 137     IChannelAudioVolume IChannelAudioVolume_iface;
 138     ISimpleAudioVolume ISimpleAudioVolume_iface;
 139
 140     LONG ref;
 141
 142     ACImpl *client;
 143     AudioSession *session;
 144 } AudioSessionWrapper;
 145
 146 typedef struct _ACPacket {
 147     struct list entry;
 148     UINT64 qpcpos;
 149     BYTE *data;
 150     UINT32 discont;
 151 } ACPacket;
 152
 153 struct ACImpl {
 154     IAudioClient IAudioClient_iface;
 155     IAudioRenderClient IAudioRenderClient_iface;
 156     IAudioCaptureClient IAudioCaptureClient_iface;
 157     IAudioClock IAudioClock_iface;
 158     IAudioClock2 IAudioClock2_iface;
 159     IAudioStreamVolume IAudioStreamVolume_iface;
 160     IUnknown *marshal;
 161     IMMDevice *parent;
 162     struct list entry;
 163     float vol[PA_CHANNELS_MAX];
 164
 165     LONG ref;
 166     EDataFlow dataflow;
 167     DWORD flags;
 168     AUDCLNT_SHAREMODE share;
 169     HANDLE event;
 170
 171     UINT32 bufsize_frames, bufsize_bytes, locked, capture_period, pad, started, peek_ofs;
 172     void *locked_ptr, *tmp_buffer;
 173
 174     pa_stream *stream;
 175     pa_sample_spec ss;
 176     pa_channel_map map;
 177
 178     INT64 clock_lastpos, clock_written;
 179
 180     AudioSession *session;
 181     AudioSessionWrapper *session_wrapper;
 182     struct list packet_free_head;
 183     struct list packet_filled_head;
 184 };
 185
 186 static const WCHAR defaultW[] = {'P','u','l','s','e','a','u','d','i','o',0};
 187
 188 static const IAudioClientVtbl AudioClient_Vtbl;
 189 static const IAudioRenderClientVtbl AudioRenderClient_Vtbl;
 190 static const IAudioCaptureClientVtbl AudioCaptureClient_Vtbl;
 191 static const IAudioSessionControl2Vtbl AudioSessionControl2_Vtbl;
 192 static const ISimpleAudioVolumeVtbl SimpleAudioVolume_Vtbl;
 193 static const IChannelAudioVolumeVtbl ChannelAudioVolume_Vtbl;
 194 static const IAudioClockVtbl AudioClock_Vtbl;
 195 static const IAudioClock2Vtbl AudioClock2_Vtbl;
 196 static const IAudioStreamVolumeVtbl AudioStreamVolume_Vtbl;
 197
 198 static AudioSessionWrapper *AudioSessionWrapper_Create(ACImpl *client);
 199
 200 static inline ACImpl *impl_from_IAudioClient(IAudioClient *iface)
 201 {
 202     return CONTAINING_RECORD(iface, ACImpl, IAudioClient_iface);
 203 }
 204
 205 static inline ACImpl *impl_from_IAudioRenderClient(IAudioRenderClient *iface)
 206 {
 207     return CONTAINING_RECORD(iface, ACImpl, IAudioRenderClient_iface);
 208 }
 209
 210 static inline ACImpl *impl_from_IAudioCaptureClient(IAudioCaptureClient *iface)
 211 {
 212     return CONTAINING_RECORD(iface, ACImpl, IAudioCaptureClient_iface);
 213 }
 214
 215 static inline AudioSessionWrapper *impl_from_IAudioSessionControl2(IAudioSessionControl2 *iface)
 216 {
 217     return CONTAINING_RECORD(iface, AudioSessionWrapper, IAudioSessionControl2_iface);
 218 }
 219
 220 static inline AudioSessionWrapper *impl_from_ISimpleAudioVolume(ISimpleAudioVolume *iface)
 221 {
 222     return CONTAINING_RECORD(iface, AudioSessionWrapper, ISimpleAudioVolume_iface);
 223 }
 224
 225 static inline AudioSessionWrapper *impl_from_IChannelAudioVolume(IChannelAudioVolume *iface)
 226 {
 227     return CONTAINING_RECORD(iface, AudioSessionWrapper, IChannelAudioVolume_iface);
 228 }
 229
 230 static inline ACImpl *impl_from_IAudioClock(IAudioClock *iface)
 231 {
 232     return CONTAINING_RECORD(iface, ACImpl, IAudioClock_iface);
 233 }
 234
 235 static inline ACImpl *impl_from_IAudioClock2(IAudioClock2 *iface)
 236 {
 237     return CONTAINING_RECORD(iface, ACImpl, IAudioClock2_iface);
 238 }
 239
 240 static inline ACImpl *impl_from_IAudioStreamVolume(IAudioStreamVolume *iface)
 241 {
 242     return CONTAINING_RECORD(iface, ACImpl, IAudioStreamVolume_iface);
 243 }
 244
 245 /* Following pulseaudio design here, mainloop has the lock taken whenever
 246  * it is handling something for pulse, and the lock is required whenever
 247  * doing any pa_* call that can affect the state in any way
 248  *
 249  * pa_cond_wait is used when waiting on results, because the mainloop needs
 250  * the same lock taken to affect the state
 251  *
 252  * This is basically the same as the pa_threaded_mainloop implementation,
 253  * but that cannot be used because it uses pthread_create directly
 254  *
 255  * pa_threaded_mainloop_(un)lock -> pthread_mutex_(un)lock
 256  * pa_threaded_mainloop_signal -> pthread_cond_signal
 257  * pa_threaded_mainloop_wait -> pthread_cond_wait
 258  */
 259
 260 static int pulse_poll_func(struct pollfd *ufds, unsigned long nfds, int timeout, void *userdata) {
 261     int r;
 262     pthread_mutex_unlock(&pulse_lock);
 263     r = poll(ufds, nfds, timeout);
 264     pthread_mutex_lock(&pulse_lock);
 265     return r;
 266 }
 267
 268 static DWORD CALLBACK pulse_mainloop_thread(void *tmp) {
 269     int ret;
 270     pulse_ml = pa_mainloop_new();
 271     pa_mainloop_set_poll_func(pulse_ml, pulse_poll_func, NULL);
 272     pthread_mutex_lock(&pulse_lock);
 273     pthread_cond_signal(&pulse_cond);
 274     pa_mainloop_run(pulse_ml, &ret);
 275     pthread_mutex_unlock(&pulse_lock);
 276     pa_mainloop_free(pulse_ml);
 277     return ret;
 278 }
 279
 280 static void pulse_contextcallback(pa_context *c, void *userdata)
 281 {
 282     switch (pa_context_get_state(c)) {
 283         default:
 284             FIXME("Unhandled state: %i\n", pa_context_get_state(c));
 285         case PA_CONTEXT_CONNECTING:
 286         case PA_CONTEXT_UNCONNECTED:
 287         case PA_CONTEXT_AUTHORIZING:
 288         case PA_CONTEXT_SETTING_NAME:
 289         case PA_CONTEXT_TERMINATED:
 290             TRACE("State change to %i\n", pa_context_get_state(c));
 291             return;
 292
 293         case PA_CONTEXT_READY:
 294             TRACE("Ready\n");
 295             break;
 296
 297         case PA_CONTEXT_FAILED:
 298             ERR("Context failed: %s\n", pa_strerror(pa_context_errno(c)));
 299             break;
 300     }
 301     pthread_cond_signal(&pulse_cond);
 302 }
 303
 304 static void pulse_stream_state(pa_stream *s, void *user)
 305 {
 306     pa_stream_state_t state = pa_stream_get_state(s);
 307     TRACE("Stream state changed to %i\n", state);
 308     pthread_cond_signal(&pulse_cond);
 309 }
 310
 311 static const enum pa_channel_position pulse_pos_from_wfx[] = {
 312     PA_CHANNEL_POSITION_FRONT_LEFT,
 313     PA_CHANNEL_POSITION_FRONT_RIGHT,
 314     PA_CHANNEL_POSITION_FRONT_CENTER,
 315     PA_CHANNEL_POSITION_LFE,
 316     PA_CHANNEL_POSITION_REAR_LEFT,
 317     PA_CHANNEL_POSITION_REAR_RIGHT,
 318     PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER,
 319     PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER,
 320     PA_CHANNEL_POSITION_REAR_CENTER,
 321     PA_CHANNEL_POSITION_SIDE_LEFT,
 322     PA_CHANNEL_POSITION_SIDE_RIGHT,
 323     PA_CHANNEL_POSITION_TOP_CENTER,
 324     PA_CHANNEL_POSITION_TOP_FRONT_LEFT,
 325     PA_CHANNEL_POSITION_TOP_FRONT_CENTER,
 326     PA_CHANNEL_POSITION_TOP_FRONT_RIGHT,
 327     PA_CHANNEL_POSITION_TOP_REAR_LEFT,
 328     PA_CHANNEL_POSITION_TOP_REAR_CENTER,
 329     PA_CHANNEL_POSITION_TOP_REAR_RIGHT
 330 };
 331
 332 static void pulse_probe_settings(int render, WAVEFORMATEXTENSIBLE *fmt) {
 333     WAVEFORMATEX *wfx = &fmt->Format;
 334     pa_stream *stream;
 335     pa_channel_map map;
 336     pa_sample_spec ss;
 337     pa_buffer_attr attr;
 338     int ret, i;
 339     unsigned int length = 0;
 340
 341     pa_channel_map_init_auto(&map, 2, PA_CHANNEL_MAP_ALSA);
 342     ss.rate = 48000;
 343     ss.format = PA_SAMPLE_FLOAT32LE;
 344     ss.channels = map.channels;
 345
 346     attr.maxlength = -1;
 347     attr.tlength = -1;
 348     attr.minreq = attr.fragsize = pa_frame_size(&ss);
 349     attr.prebuf = 0;
 350
 351     stream = pa_stream_new(pulse_ctx, "format test stream", &ss, &map);
 352     if (stream)
 353         pa_stream_set_state_callback(stream, pulse_stream_state, NULL);
 354     if (!stream)
 355         ret = -1;
 356     else if (render)
 357         ret = pa_stream_connect_playback(stream, NULL, &attr,
 358         PA_STREAM_START_CORKED|PA_STREAM_FIX_RATE|PA_STREAM_FIX_CHANNELS|PA_STREAM_EARLY_REQUESTS, NULL, NULL);
 359     else
 360         ret = pa_stream_connect_record(stream, NULL, &attr, PA_STREAM_START_CORKED|PA_STREAM_FIX_RATE|PA_STREAM_FIX_CHANNELS|PA_STREAM_EARLY_REQUESTS);
 361     if (ret >= 0) {
 362         while (pa_mainloop_iterate(pulse_ml, 1, &ret) >= 0 &&
 363                 pa_stream_get_state(stream) == PA_STREAM_CREATING)
 364         {}
 365         if (pa_stream_get_state(stream) == PA_STREAM_READY) {
 366             ss = *pa_stream_get_sample_spec(stream);
 367             map = *pa_stream_get_channel_map(stream);
 368             if (render)
 369                 length = pa_stream_get_buffer_attr(stream)->minreq;
 370             else
 371                 length = pa_stream_get_buffer_attr(stream)->fragsize;
 372             pa_stream_disconnect(stream);
 373             while (pa_mainloop_iterate(pulse_ml, 1, &ret) >= 0 &&
 374                     pa_stream_get_state(stream) == PA_STREAM_READY)
 375             {}
 376         }
 377     }
 378     if (stream)
 379         pa_stream_unref(stream);
 380     if (length)
 381         pulse_def_period[!render] = pulse_min_period[!render] = pa_bytes_to_usec(10 * length, &ss);
 382     else
 383         pulse_min_period[!render] = MinimumPeriod;
 384     if (pulse_def_period[!render] <= DefaultPeriod)
 385         pulse_def_period[!render] = DefaultPeriod;
 386
 387     wfx->wFormatTag = WAVE_FORMAT_EXTENSIBLE;
 388     wfx->cbSize = sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX);
 389     wfx->nChannels = ss.channels;
 390     wfx->wBitsPerSample = 8 * pa_sample_size_of_format(ss.format);
 391     wfx->nSamplesPerSec = ss.rate;
 392     wfx->nBlockAlign = pa_frame_size(&ss);
 393     wfx->nAvgBytesPerSec = wfx->nSamplesPerSec * wfx->nBlockAlign;
 394     if (ss.format != PA_SAMPLE_S24_32LE)
 395         fmt->Samples.wValidBitsPerSample = wfx->wBitsPerSample;
 396     else
 397         fmt->Samples.wValidBitsPerSample = 24;
 398     if (ss.format == PA_SAMPLE_FLOAT32LE)
 399         fmt->SubFormat = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
 400     else
 401         fmt->SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
 402
 403     fmt->dwChannelMask = 0;
 404     for (i = 0; i < map.channels; ++i)
 405         switch (map.map[i]) {
 406             default: FIXME("Unhandled channel %s\n", pa_channel_position_to_string(map.map[i])); break;
 407             case PA_CHANNEL_POSITION_FRONT_LEFT: fmt->dwChannelMask |= SPEAKER_FRONT_LEFT; break;
 408             case PA_CHANNEL_POSITION_MONO:
 409             case PA_CHANNEL_POSITION_FRONT_CENTER: fmt->dwChannelMask |= SPEAKER_FRONT_CENTER; break;
 410             case PA_CHANNEL_POSITION_FRONT_RIGHT: fmt->dwChannelMask |= SPEAKER_FRONT_RIGHT; break;
 411             case PA_CHANNEL_POSITION_REAR_LEFT: fmt->dwChannelMask |= SPEAKER_BACK_LEFT; break;
 412             case PA_CHANNEL_POSITION_REAR_CENTER: fmt->dwChannelMask |= SPEAKER_BACK_CENTER; break;
 413             case PA_CHANNEL_POSITION_REAR_RIGHT: fmt->dwChannelMask |= SPEAKER_BACK_RIGHT; break;
 414             case PA_CHANNEL_POSITION_LFE: fmt->dwChannelMask |= SPEAKER_LOW_FREQUENCY; break;
 415             case PA_CHANNEL_POSITION_SIDE_LEFT: fmt->dwChannelMask |= SPEAKER_SIDE_LEFT; break;
 416             case PA_CHANNEL_POSITION_SIDE_RIGHT: fmt->dwChannelMask |= SPEAKER_SIDE_RIGHT; break;
 417             case PA_CHANNEL_POSITION_TOP_CENTER: fmt->dwChannelMask |= SPEAKER_TOP_CENTER; break;
 418             case PA_CHANNEL_POSITION_TOP_FRONT_LEFT: fmt->dwChannelMask |= SPEAKER_TOP_FRONT_LEFT; break;
 419             case PA_CHANNEL_POSITION_TOP_FRONT_CENTER: fmt->dwChannelMask |= SPEAKER_TOP_FRONT_CENTER; break;
 420             case PA_CHANNEL_POSITION_TOP_FRONT_RIGHT: fmt->dwChannelMask |= SPEAKER_TOP_FRONT_RIGHT; break;
 421             case PA_CHANNEL_POSITION_TOP_REAR_LEFT: fmt->dwChannelMask |= SPEAKER_TOP_BACK_LEFT; break;
 422             case PA_CHANNEL_POSITION_TOP_REAR_CENTER: fmt->dwChannelMask |= SPEAKER_TOP_BACK_CENTER; break;
 423             case PA_CHANNEL_POSITION_TOP_REAR_RIGHT: fmt->dwChannelMask |= SPEAKER_TOP_BACK_RIGHT; break;
 424         }
 425 }
 426
 427 static HRESULT pulse_connect(void)
 428 {
 429     int len;
 430     WCHAR path[PATH_MAX], *name;
 431     char *str;
 432
 433     if (!pulse_thread)
 434     {
 435         if (!(pulse_thread = CreateThread(NULL, 0, pulse_mainloop_thread, NULL, 0, NULL)))
 436         {
 437             ERR("Failed to create mainloop thread.\n");
 438             return E_FAIL;
 439         }
 440         SetThreadPriority(pulse_thread, THREAD_PRIORITY_TIME_CRITICAL);
 441         pthread_cond_wait(&pulse_cond, &pulse_lock);
 442     }
 443
 444     if (pulse_ctx && PA_CONTEXT_IS_GOOD(pa_context_get_state(pulse_ctx)))
 445         return S_OK;
 446     if (pulse_ctx)
 447         pa_context_unref(pulse_ctx);
 448
 449     GetModuleFileNameW(NULL, path, sizeof(path)/sizeof(*path));
 450     name = strrchrW(path, '\\');
 451     if (!name)
 452         name = path;
 453     else
 454         name++;
 455     len = WideCharToMultiByte(CP_UNIXCP, 0, name, -1, NULL, 0, NULL, NULL);
 456     str = pa_xmalloc(len);
 457     WideCharToMultiByte(CP_UNIXCP, 0, name, -1, str, len, NULL, NULL);
 458     TRACE("Name: %s\n", str);
 459     pulse_ctx = pa_context_new(pa_mainloop_get_api(pulse_ml), str);
 460     pa_xfree(str);
 461     if (!pulse_ctx) {
 462         ERR("Failed to create context\n");
 463         return E_FAIL;
 464     }
 465
 466     pa_context_set_state_callback(pulse_ctx, pulse_contextcallback, NULL);
 467
 468     TRACE("libpulse protocol version: %u. API Version %u\n", pa_context_get_protocol_version(pulse_ctx), PA_API_VERSION);
 469     if (pa_context_connect(pulse_ctx, NULL, 0, NULL) < 0)
 470         goto fail;
 471
 472     /* Wait for connection */
 473     while (pthread_cond_wait(&pulse_cond, &pulse_lock)) {
 474         pa_context_state_t state = pa_context_get_state(pulse_ctx);
 475
 476         if (state == PA_CONTEXT_FAILED || state == PA_CONTEXT_TERMINATED)
 477             goto fail;
 478
 479         if (state == PA_CONTEXT_READY)
 480             break;
 481     }
 482
 483     TRACE("Connected to server %s with protocol version: %i.\n",
 484         pa_context_get_server(pulse_ctx),
 485         pa_context_get_server_protocol_version(pulse_ctx));
 486     return S_OK;
 487
 488 fail:
 489     pa_context_unref(pulse_ctx);
 490     pulse_ctx = NULL;
 491     return E_FAIL;
 492 }
 493
 494 /* some poorly-behaved applications call audio functions during DllMain, so we
 495  * have to do as much as possible without creating a new thread. this function
 496  * sets up a synchronous connection to verify the server is running and query
 497  * static data. */
 498 static HRESULT pulse_test_connect(void)
 499 {
 500     int len, ret;
 501     WCHAR path[PATH_MAX], *name;
 502     char *str;
 503
 504     pulse_ml = pa_mainloop_new();
 505
 506     pa_mainloop_set_poll_func(pulse_ml, pulse_poll_func, NULL);
 507
 508     GetModuleFileNameW(NULL, path, sizeof(path)/sizeof(*path));
 509     name = strrchrW(path, '\\');
 510     if (!name)
 511         name = path;
 512     else
 513         name++;
 514     len = WideCharToMultiByte(CP_UNIXCP, 0, name, -1, NULL, 0, NULL, NULL);
 515     str = pa_xmalloc(len);
 516     WideCharToMultiByte(CP_UNIXCP, 0, name, -1, str, len, NULL, NULL);
 517     TRACE("Name: %s\n", str);
 518     pulse_ctx = pa_context_new(pa_mainloop_get_api(pulse_ml), str);
 519     pa_xfree(str);
 520     if (!pulse_ctx) {
 521         ERR("Failed to create context\n");
 522         pa_mainloop_free(pulse_ml);
 523         pulse_ml = NULL;
 524         return E_FAIL;
 525     }
 526
 527     pa_context_set_state_callback(pulse_ctx, pulse_contextcallback, NULL);
 528
 529     TRACE("libpulse protocol version: %u. API Version %u\n", pa_context_get_protocol_version(pulse_ctx), PA_API_VERSION);
 530     if (pa_context_connect(pulse_ctx, NULL, 0, NULL) < 0)
 531         goto fail;
 532
 533     /* Wait for connection */
 534     while (pa_mainloop_iterate(pulse_ml, 1, &ret) >= 0) {
 535         pa_context_state_t state = pa_context_get_state(pulse_ctx);
 536
 537         if (state == PA_CONTEXT_FAILED || state == PA_CONTEXT_TERMINATED)
 538             goto fail;
 539
 540         if (state == PA_CONTEXT_READY)
 541             break;
 542     }
 543
 544     TRACE("Test-connected to server %s with protocol version: %i.\n",
 545         pa_context_get_server(pulse_ctx),
 546         pa_context_get_server_protocol_version(pulse_ctx));
 547
 548     pulse_probe_settings(1, &pulse_fmt[0]);
 549     pulse_probe_settings(0, &pulse_fmt[1]);
 550
 551     pa_context_unref(pulse_ctx);
 552     pulse_ctx = NULL;
 553     pa_mainloop_free(pulse_ml);
 554     pulse_ml = NULL;
 555
 556     return S_OK;
 557
 558 fail:
 559     pa_context_unref(pulse_ctx);
 560     pulse_ctx = NULL;
 561     pa_mainloop_free(pulse_ml);
 562     pulse_ml = NULL;
 563
 564     return E_FAIL;
 565 }
 566
 567 static HRESULT pulse_stream_valid(ACImpl *This) {
 568     if (!This->stream)
 569         return AUDCLNT_E_NOT_INITIALIZED;
 570     if (!This->stream || pa_stream_get_state(This->stream) != PA_STREAM_READY)
 571         return AUDCLNT_E_DEVICE_INVALIDATED;
 572     return S_OK;
 573 }
 574
 575 static void silence_buffer(pa_sample_format_t format, BYTE *buffer, UINT32 bytes)
 576 {
 577     memset(buffer, format == PA_SAMPLE_U8 ? 0x80 : 0, bytes);
 578 }
 579
 580 static void dump_attr(const pa_buffer_attr *attr) {
 581     TRACE("maxlength: %u\n", attr->maxlength);
 582     TRACE("minreq: %u\n", attr->minreq);
 583     TRACE("fragsize: %u\n", attr->fragsize);
 584     TRACE("tlength: %u\n", attr->tlength);
 585     TRACE("prebuf: %u\n", attr->prebuf);
 586 }
 587
 588 static void pulse_op_cb(pa_stream *s, int success, void *user) {
 589     TRACE("Success: %i\n", success);
 590     *(int*)user = success;
 591     pthread_cond_signal(&pulse_cond);
 592 }
 593
 594 static void pulse_attr_update(pa_stream *s, void *user) {
 595     const pa_buffer_attr *attr = pa_stream_get_buffer_attr(s);
 596     TRACE("New attributes or device moved:\n");
 597     dump_attr(attr);
 598 }
 599
 600 static void pulse_wr_callback(pa_stream *s, size_t bytes, void *userdata)
 601 {
 602     ACImpl *This = userdata;
 603     UINT32 oldpad = This->pad;
 604
 605     if (bytes < This->bufsize_bytes)
 606         This->pad = This->bufsize_bytes - bytes;
 607     else
 608         This->pad = 0;
 609
 610     if (oldpad == This->pad)
 611         return;
 612
 613     assert(oldpad > This->pad);
 614
 615     This->clock_written += oldpad - This->pad;
 616     TRACE("New pad: %zu (-%zu)\n", This->pad / pa_frame_size(&This->ss), (oldpad - This->pad) / pa_frame_size(&This->ss));
 617
 618     if (This->event)
 619         SetEvent(This->event);
 620 }
 621
 622 static void pulse_underflow_callback(pa_stream *s, void *userdata)
 623 {
 624     WARN("Underflow\n");
 625 }
 626
 627 /* Latency is periodically updated even when nothing is played,
 628  * because of PA_STREAM_AUTO_TIMING_UPDATE so use it as timer
 629  *
 630  * Perfect for passing all tests :)
 631  */
 632 static void pulse_latency_callback(pa_stream *s, void *userdata)
 633 {
 634     ACImpl *This = userdata;
 635     if (!This->pad && This->event)
 636         SetEvent(This->event);
 637 }
 638
 639 static void pulse_started_callback(pa_stream *s, void *userdata)
 640 {
 641     TRACE("(Re)started playing\n");
 642 }
 643
 644 static void pulse_rd_loop(ACImpl *This, size_t bytes)
 645 {
 646     while (bytes >= This->capture_period) {
 647         ACPacket *p, *next;
 648         LARGE_INTEGER stamp, freq;
 649         BYTE *dst, *src;
 650         size_t src_len, copy, rem = This->capture_period;
 651         if (!(p = (ACPacket*)list_head(&This->packet_free_head))) {
 652             p = (ACPacket*)list_head(&This->packet_filled_head);
 653             if (!p->discont) {
 654                 next = (ACPacket*)p->entry.next;
 655                 next->discont = 1;
 656             } else
 657                 p = (ACPacket*)list_tail(&This->packet_filled_head);
 658             assert(This->pad == This->bufsize_bytes);
 659         } else {
 660             assert(This->pad < This->bufsize_bytes);
 661             This->pad += This->capture_period;
 662             assert(This->pad <= This->bufsize_bytes);
 663         }
 664         QueryPerformanceCounter(&stamp);
 665         QueryPerformanceFrequency(&freq);
 666         p->qpcpos = (stamp.QuadPart * (INT64)10000000) / freq.QuadPart;
 667         p->discont = 0;
 668         list_remove(&p->entry);
 669         list_add_tail(&This->packet_filled_head, &p->entry);
 670
 671         dst = p->data;
 672         while (rem) {
 673             pa_stream_peek(This->stream, (const void**)&src, &src_len);
 674             assert(src_len);
 675             assert(This->peek_ofs < src_len);
 676             src += This->peek_ofs;
 677             src_len -= This->peek_ofs;
 678             assert(src_len <= bytes);
 679
 680             copy = rem;
 681             if (copy > src_len)
 682                 copy = src_len;
 683             memcpy(dst, src, rem);
 684             src += copy;
 685             src_len -= copy;
 686             dst += copy;
 687             rem -= copy;
 688
 689             if (!src_len) {
 690                 This->peek_ofs = 0;
 691                 pa_stream_drop(This->stream);
 692             } else
 693                 This->peek_ofs += copy;
 694         }
 695         bytes -= This->capture_period;
 696     }
 697 }
 698
 699 static void pulse_rd_drop(ACImpl *This, size_t bytes)
 700 {
 701     while (bytes >= This->capture_period) {
 702         size_t src_len, copy, rem = This->capture_period;
 703         while (rem) {
 704             const void *src;
 705             pa_stream_peek(This->stream, &src, &src_len);
 706             assert(src_len);
 707             assert(This->peek_ofs < src_len);
 708             src_len -= This->peek_ofs;
 709             assert(src_len <= bytes);
 710
 711             copy = rem;
 712             if (copy > src_len)
 713                 copy = src_len;
 714
 715             src_len -= copy;
 716             rem -= copy;
 717
 718             if (!src_len) {
 719                 This->peek_ofs = 0;
 720                 pa_stream_drop(This->stream);
 721             } else
 722                 This->peek_ofs += copy;
 723             bytes -= copy;
 724         }
 725     }
 726 }
 727
 728 static void pulse_rd_callback(pa_stream *s, size_t bytes, void *userdata)
 729 {
 730     ACImpl *This = userdata;
 731
 732     TRACE("Readable total: %zu, fragsize: %u\n", bytes, pa_stream_get_buffer_attr(s)->fragsize);
 733     assert(bytes >= This->peek_ofs);
 734     bytes -= This->peek_ofs;
 735     if (bytes < This->capture_period)
 736         return;
 737
 738     if (This->started)
 739         pulse_rd_loop(This, bytes);
 740     else
 741         pulse_rd_drop(This, bytes);
 742
 743     if (This->event)
 744         SetEvent(This->event);
 745 }
 746
 747 static HRESULT pulse_stream_connect(ACImpl *This, UINT32 period_bytes) {
 748     int ret;
 749     char buffer[64];
 750     static LONG number;
 751     pa_buffer_attr attr;
 752     if (This->stream) {
 753         pa_stream_disconnect(This->stream);
 754         while (pa_stream_get_state(This->stream) == PA_STREAM_READY)
 755             pthread_cond_wait(&pulse_cond, &pulse_lock);
 756         pa_stream_unref(This->stream);
 757     }
 758     ret = InterlockedIncrement(&number);
 759     sprintf(buffer, "audio stream #%i", ret);
 760     This->stream = pa_stream_new(pulse_ctx, buffer, &This->ss, &This->map);
 761
 762     if (!This->stream) {
 763         WARN("pa_stream_new returned error %i\n", pa_context_errno(pulse_ctx));
 764         return AUDCLNT_E_ENDPOINT_CREATE_FAILED;
 765     }
 766
 767     pa_stream_set_state_callback(This->stream, pulse_stream_state, This);
 768     pa_stream_set_buffer_attr_callback(This->stream, pulse_attr_update, This);
 769     pa_stream_set_moved_callback(This->stream, pulse_attr_update, This);
 770
 771     /* Pulseaudio will fill in correct values */
 772     attr.minreq = attr.fragsize = period_bytes;
 773     attr.maxlength = attr.tlength = This->bufsize_bytes;
 774     attr.prebuf = pa_frame_size(&This->ss);
 775     dump_attr(&attr);
 776     if (This->dataflow == eRender)
 777         ret = pa_stream_connect_playback(This->stream, NULL, &attr,
 778         PA_STREAM_START_CORKED|PA_STREAM_START_UNMUTED|PA_STREAM_AUTO_TIMING_UPDATE|PA_STREAM_INTERPOLATE_TIMING|PA_STREAM_EARLY_REQUESTS, NULL, NULL);
 779     else
 780         ret = pa_stream_connect_record(This->stream, NULL, &attr,
 781         PA_STREAM_START_CORKED|PA_STREAM_START_UNMUTED|PA_STREAM_AUTO_TIMING_UPDATE|PA_STREAM_INTERPOLATE_TIMING|PA_STREAM_EARLY_REQUESTS);
 782     if (ret < 0) {
 783         WARN("Returns %i\n", ret);
 784         return AUDCLNT_E_ENDPOINT_CREATE_FAILED;
 785     }
 786     while (pa_stream_get_state(This->stream) == PA_STREAM_CREATING)
 787         pthread_cond_wait(&pulse_cond, &pulse_lock);
 788     if (pa_stream_get_state(This->stream) != PA_STREAM_READY)
 789         return AUDCLNT_E_ENDPOINT_CREATE_FAILED;
 790
 791     if (This->dataflow == eRender) {
 792         pa_stream_set_write_callback(This->stream, pulse_wr_callback, This);
 793         pa_stream_set_underflow_callback(This->stream, pulse_underflow_callback, This);
 794         pa_stream_set_started_callback(This->stream, pulse_started_callback, This);
 795     } else
 796         pa_stream_set_read_callback(This->stream, pulse_rd_callback, This);
 797     return S_OK;
 798 }
 799
 800 HRESULT WINAPI AUDDRV_GetEndpointIDs(EDataFlow flow, const WCHAR ***ids, GUID **keys,
 801         UINT *num, UINT *def_index)
 802 {
 803     WCHAR *id;
 804
 805     TRACE("%d %p %p %p\n", flow, ids, num, def_index);
 806
 807     *num = 1;
 808     *def_index = 0;
 809
 810     *ids = HeapAlloc(GetProcessHeap(), 0, sizeof(**ids));
 811     *keys = NULL;
 812     if (!*ids)
 813         return E_OUTOFMEMORY;
 814
 815     (*ids)[0] = id = HeapAlloc(GetProcessHeap(), 0, sizeof(defaultW));
 816     *keys = HeapAlloc(GetProcessHeap(), 0, sizeof(**keys));
 817     if (!*keys || !id) {
 818         HeapFree(GetProcessHeap(), 0, id);
 819         HeapFree(GetProcessHeap(), 0, *keys);
 820         HeapFree(GetProcessHeap(), 0, *ids);
 821         *ids = NULL;
 822         *keys = NULL;
 823         return E_OUTOFMEMORY;
 824     }
 825     memcpy(id, defaultW, sizeof(defaultW));
 826
 827     if (flow == eRender)
 828         (*keys)[0] = pulse_render_guid;
 829     else
 830         (*keys)[0] = pulse_capture_guid;
 831
 832     return S_OK;
 833 }
 834
 835 int WINAPI AUDDRV_GetPriority(void)
 836 {
 837     HRESULT hr;
 838     pthread_mutex_lock(&pulse_lock);
 839     hr = pulse_test_connect();
 840     pthread_mutex_unlock(&pulse_lock);
 841     return SUCCEEDED(hr) ? Priority_Low : Priority_Unavailable;
 842 }
 843
 844 HRESULT WINAPI AUDDRV_GetAudioEndpoint(GUID *guid, IMMDevice *dev, IAudioClient **out)
 845 {
 846     ACImpl *This;
 847     int i;
 848     EDataFlow dataflow;
 849     HRESULT hr;
 850
 851     TRACE("%s %p %p\n", debugstr_guid(guid), dev, out);
 852     if (IsEqualGUID(guid, &pulse_render_guid))
 853         dataflow = eRender;
 854     else if (IsEqualGUID(guid, &pulse_capture_guid))
 855         dataflow = eCapture;
 856     else
 857         return E_UNEXPECTED;
 858
 859     *out = NULL;
 860
 861     This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*This));
 862     if (!This)
 863         return E_OUTOFMEMORY;
 864
 865     This->IAudioClient_iface.lpVtbl = &AudioClient_Vtbl;
 866     This->IAudioRenderClient_iface.lpVtbl = &AudioRenderClient_Vtbl;
 867     This->IAudioCaptureClient_iface.lpVtbl = &AudioCaptureClient_Vtbl;
 868     This->IAudioClock_iface.lpVtbl = &AudioClock_Vtbl;
 869     This->IAudioClock2_iface.lpVtbl = &AudioClock2_Vtbl;
 870     This->IAudioStreamVolume_iface.lpVtbl = &AudioStreamVolume_Vtbl;
 871     This->dataflow = dataflow;
 872     This->parent = dev;
 873     for (i = 0; i < PA_CHANNELS_MAX; ++i)
 874         This->vol[i] = 1.f;
 875
 876     hr = CoCreateFreeThreadedMarshaler((IUnknown*)This, &This->marshal);
 877     if (hr) {
 878         HeapFree(GetProcessHeap(), 0, This);
 879         return hr;
 880     }
 881     IMMDevice_AddRef(This->parent);
 882
 883     *out = &This->IAudioClient_iface;
 884     IAudioClient_AddRef(&This->IAudioClient_iface);
 885
 886     return S_OK;
 887 }
 888
 889 static HRESULT WINAPI AudioClient_QueryInterface(IAudioClient *iface,
 890         REFIID riid, void **ppv)
 891 {
 892     ACImpl *This = impl_from_IAudioClient(iface);
 893
 894     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
 895
 896     if (!ppv)
 897         return E_POINTER;
 898
 899     *ppv = NULL;
 900     if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IAudioClient))
 901         *ppv = iface;
 902     if (*ppv) {
 903         IUnknown_AddRef((IUnknown*)*ppv);
 904         return S_OK;
 905     }
 906
 907     if (IsEqualIID(riid, &IID_IMarshal))
 908         return IUnknown_QueryInterface(This->marshal, riid, ppv);
 909
 910     WARN("Unknown interface %s\n", debugstr_guid(riid));
 911     return E_NOINTERFACE;
 912 }
 913
 914 static ULONG WINAPI AudioClient_AddRef(IAudioClient *iface)
 915 {
 916     ACImpl *This = impl_from_IAudioClient(iface);
 917     ULONG ref;
 918     ref = InterlockedIncrement(&This->ref);
 919     TRACE("(%p) Refcount now %u\n", This, ref);
 920     return ref;
 921 }
 922
 923 static ULONG WINAPI AudioClient_Release(IAudioClient *iface)
 924 {
 925     ACImpl *This = impl_from_IAudioClient(iface);
 926     ULONG ref;
 927     ref = InterlockedDecrement(&This->ref);
 928     TRACE("(%p) Refcount now %u\n", This, ref);
 929     if (!ref) {
 930         if (This->stream) {
 931             pthread_mutex_lock(&pulse_lock);
 932             if (PA_STREAM_IS_GOOD(pa_stream_get_state(This->stream))) {
 933                 pa_stream_disconnect(This->stream);
 934                 while (PA_STREAM_IS_GOOD(pa_stream_get_state(This->stream)))
 935                     pthread_cond_wait(&pulse_cond, &pulse_lock);
 936             }
 937             pa_stream_unref(This->stream);
 938             This->stream = NULL;
 939             list_remove(&This->entry);
 940             pthread_mutex_unlock(&pulse_lock);
 941         }
 942         IUnknown_Release(This->marshal);
 943         IMMDevice_Release(This->parent);
 944         HeapFree(GetProcessHeap(), 0, This->tmp_buffer);
 945         HeapFree(GetProcessHeap(), 0, This);
 946     }
 947     return ref;
 948 }
 949
 950 static void dump_fmt(const WAVEFORMATEX *fmt)
 951 {
 952     TRACE("wFormatTag: 0x%x (", fmt->wFormatTag);
 953     switch(fmt->wFormatTag) {
 954     case WAVE_FORMAT_PCM:
 955         TRACE("WAVE_FORMAT_PCM");
 956         break;
 957     case WAVE_FORMAT_IEEE_FLOAT:
 958         TRACE("WAVE_FORMAT_IEEE_FLOAT");
 959         break;
 960     case WAVE_FORMAT_EXTENSIBLE:
 961         TRACE("WAVE_FORMAT_EXTENSIBLE");
 962         break;
 963     default:
 964         TRACE("Unknown");
 965         break;
 966     }
 967     TRACE(")\n");
 968
 969     TRACE("nChannels: %u\n", fmt->nChannels);
 970     TRACE("nSamplesPerSec: %u\n", fmt->nSamplesPerSec);
 971     TRACE("nAvgBytesPerSec: %u\n", fmt->nAvgBytesPerSec);
 972     TRACE("nBlockAlign: %u\n", fmt->nBlockAlign);
 973     TRACE("wBitsPerSample: %u\n", fmt->wBitsPerSample);
 974     TRACE("cbSize: %u\n", fmt->cbSize);
 975
 976     if (fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE) {
 977         WAVEFORMATEXTENSIBLE *fmtex = (void*)fmt;
 978         TRACE("dwChannelMask: %08x\n", fmtex->dwChannelMask);
 979         TRACE("Samples: %04x\n", fmtex->Samples.wReserved);
 980         TRACE("SubFormat: %s\n", wine_dbgstr_guid(&fmtex->SubFormat));
 981     }
 982 }
 983
 984 static WAVEFORMATEX *clone_format(const WAVEFORMATEX *fmt)
 985 {
 986     WAVEFORMATEX *ret;
 987     size_t size;
 988
 989     if (fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
 990         size = sizeof(WAVEFORMATEXTENSIBLE);
 991     else
 992         size = sizeof(WAVEFORMATEX);
 993
 994     ret = CoTaskMemAlloc(size);
 995     if (!ret)
 996         return NULL;
 997
 998     memcpy(ret, fmt, size);
 999
1000     ret->cbSize = size - sizeof(WAVEFORMATEX);
1001
1002     return ret;
1003 }
1004
1005 static DWORD get_channel_mask(unsigned int channels)
1006 {
1007     switch(channels) {
1008     case 0:
1009         return 0;
1010     case 1:
1011         return KSAUDIO_SPEAKER_MONO;
1012     case 2:
1013         return KSAUDIO_SPEAKER_STEREO;
1014     case 3:
1015         return KSAUDIO_SPEAKER_STEREO | SPEAKER_LOW_FREQUENCY;
1016     case 4:
1017         return KSAUDIO_SPEAKER_QUAD;    /* not _SURROUND */
1018     case 5:
1019         return KSAUDIO_SPEAKER_QUAD | SPEAKER_LOW_FREQUENCY;
1020     case 6:
1021         return KSAUDIO_SPEAKER_5POINT1; /* not 5POINT1_SURROUND */
1022     case 7:
1023         return KSAUDIO_SPEAKER_5POINT1 | SPEAKER_BACK_CENTER;
1024     case 8:
1025         return KSAUDIO_SPEAKER_7POINT1_SURROUND; /* Vista deprecates 7POINT1 */
1026     }
1027     FIXME("Unknown speaker configuration: %u\n", channels);
1028     return 0;
1029 }
1030
1031 static void session_init_vols(AudioSession *session, UINT channels)
1032 {
1033     if (session->channel_count < channels) {
1034         UINT i;
1035
1036         if (session->channel_vols)
1037             session->channel_vols = HeapReAlloc(GetProcessHeap(), 0,
1038                     session->channel_vols, sizeof(float) * channels);
1039         else
1040             session->channel_vols = HeapAlloc(GetProcessHeap(), 0,
1041                     sizeof(float) * channels);
1042         if (!session->channel_vols)
1043             return;
1044
1045         for(i = session->channel_count; i < channels; ++i)
1046             session->channel_vols[i] = 1.f;
1047
1048         session->channel_count = channels;
1049     }
1050 }
1051
1052 static AudioSession *create_session(const GUID *guid, IMMDevice *device,
1053         UINT num_channels)
1054 {
1055     AudioSession *ret;
1056
1057     ret = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(AudioSession));
1058     if (!ret)
1059         return NULL;
1060
1061     memcpy(&ret->guid, guid, sizeof(GUID));
1062
1063     ret->device = device;
1064
1065     list_init(&ret->clients);
1066
1067     list_add_head(&g_sessions, &ret->entry);
1068
1069     session_init_vols(ret, num_channels);
1070
1071     ret->master_vol = 1.f;
1072
1073     return ret;
1074 }
1075
1076 /* if channels == 0, then this will return or create a session with
1077  * matching dataflow and GUID. otherwise, channels must also match */
1078 static HRESULT get_audio_session(const GUID *sessionguid,
1079         IMMDevice *device, UINT channels, AudioSession **out)
1080 {
1081     AudioSession *session;
1082
1083     if (!sessionguid || IsEqualGUID(sessionguid, &GUID_NULL)) {
1084         *out = create_session(&GUID_NULL, device, channels);
1085         if (!*out)
1086             return E_OUTOFMEMORY;
1087
1088         return S_OK;
1089     }
1090
1091     *out = NULL;
1092     LIST_FOR_EACH_ENTRY(session, &g_sessions, AudioSession, entry) {
1093         if (session->device == device &&
1094             IsEqualGUID(sessionguid, &session->guid)) {
1095             session_init_vols(session, channels);
1096             *out = session;
1097             break;
1098         }
1099     }
1100
1101     if (!*out) {
1102         *out = create_session(sessionguid, device, channels);
1103         if (!*out)
1104             return E_OUTOFMEMORY;
1105     }
1106
1107     return S_OK;
1108 }
1109
1110 static HRESULT pulse_spec_from_waveformat(ACImpl *This, const WAVEFORMATEX *fmt)
1111 {
1112     pa_channel_map_init(&This->map);
1113     This->ss.rate = fmt->nSamplesPerSec;
1114     This->ss.format = PA_SAMPLE_INVALID;
1115
1116     switch(fmt->wFormatTag) {
1117     case WAVE_FORMAT_IEEE_FLOAT:
1118         if (!fmt->nChannels || fmt->nChannels > 2 || fmt->wBitsPerSample != 32)
1119             break;
1120         This->ss.format = PA_SAMPLE_FLOAT32LE;
1121         pa_channel_map_init_auto(&This->map, fmt->nChannels, PA_CHANNEL_MAP_ALSA);
1122         break;
1123     case WAVE_FORMAT_PCM:
1124         if (!fmt->nChannels || fmt->nChannels > 2)
1125             break;
1126         if (fmt->wBitsPerSample == 8)
1127             This->ss.format = PA_SAMPLE_U8;
1128         else if (fmt->wBitsPerSample == 16)
1129             This->ss.format = PA_SAMPLE_S16LE;
1130         else
1131             return AUDCLNT_E_UNSUPPORTED_FORMAT;
1132         pa_channel_map_init_auto(&This->map, fmt->nChannels, PA_CHANNEL_MAP_ALSA);
1133         break;
1134     case WAVE_FORMAT_EXTENSIBLE: {
1135         WAVEFORMATEXTENSIBLE *wfe = (WAVEFORMATEXTENSIBLE*)fmt;
1136         DWORD mask = wfe->dwChannelMask;
1137         DWORD i = 0, j;
1138         if (fmt->cbSize != (sizeof(*wfe) - sizeof(*fmt)) && fmt->cbSize != sizeof(*wfe))
1139             break;
1140         if (IsEqualGUID(&wfe->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT) &&
1141             (!wfe->Samples.wValidBitsPerSample || wfe->Samples.wValidBitsPerSample == 32) &&
1142             fmt->wBitsPerSample == 32)
1143             This->ss.format = PA_SAMPLE_FLOAT32LE;
1144         else if (IsEqualGUID(&wfe->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM)) {
1145             DWORD valid = wfe->Samples.wValidBitsPerSample;
1146             if (!valid)
1147                 valid = fmt->wBitsPerSample;
1148             if (!valid || valid > fmt->wBitsPerSample)
1149                 break;
1150             switch (fmt->wBitsPerSample) {
1151                 case 8:
1152                     if (valid == 8)
1153                         This->ss.format = PA_SAMPLE_U8;
1154                     break;
1155                 case 16:
1156                     if (valid == 16)
1157                         This->ss.format = PA_SAMPLE_S16LE;
1158                     break;
1159                 case 24:
1160                     if (valid == 24)
1161                         This->ss.format = PA_SAMPLE_S24LE;
1162                     break;
1163                 case 32:
1164                     if (valid == 24)
1165                         This->ss.format = PA_SAMPLE_S24_32LE;
1166                     else if (valid == 32)
1167                         This->ss.format = PA_SAMPLE_S32LE;
1168                     break;
1169                 default:
1170                     return AUDCLNT_E_UNSUPPORTED_FORMAT;
1171             }
1172         }
1173         This->map.channels = fmt->nChannels;
1174         if (!mask || (mask & (SPEAKER_ALL|SPEAKER_RESERVED)))
1175             mask = get_channel_mask(fmt->nChannels);
1176         for (j = 0; j < sizeof(pulse_pos_from_wfx)/sizeof(*pulse_pos_from_wfx) && i < fmt->nChannels; ++j) {
1177             if (mask & (1 << j))
1178                 This->map.map[i++] = pulse_pos_from_wfx[j];
1179         }
1180
1181         /* Special case for mono since pulse appears to map it differently */
1182         if (mask == SPEAKER_FRONT_CENTER)
1183             This->map.map[0] = PA_CHANNEL_POSITION_MONO;
1184
1185         if (i < fmt->nChannels || (mask & SPEAKER_RESERVED)) {
1186             This->map.channels = 0;
1187             ERR("Invalid channel mask: %i/%i and %x(%x)\n", i, fmt->nChannels, mask, wfe->dwChannelMask);
1188             break;
1189         }
1190         break;
1191         }
1192     case WAVE_FORMAT_ALAW:
1193     case WAVE_FORMAT_MULAW:
1194         if (fmt->wBitsPerSample != 8) {
1195             FIXME("Unsupported bpp %u for LAW\n", fmt->wBitsPerSample);
1196             return AUDCLNT_E_UNSUPPORTED_FORMAT;
1197         }
1198         if (fmt->nChannels != 1 && fmt->nChannels != 2) {
1199             FIXME("Unsupported channels %u for LAW\n", fmt->nChannels);
1200             return AUDCLNT_E_UNSUPPORTED_FORMAT;
1201         }
1202         This->ss.format = fmt->wFormatTag == WAVE_FORMAT_MULAW ? PA_SAMPLE_ULAW : PA_SAMPLE_ALAW;
1203         pa_channel_map_init_auto(&This->map, fmt->nChannels, PA_CHANNEL_MAP_ALSA);
1204         break;
1205     default:
1206         WARN("Unhandled tag %x\n", fmt->wFormatTag);
1207         return AUDCLNT_E_UNSUPPORTED_FORMAT;
1208     }
1209     This->ss.channels = This->map.channels;
1210     if (!pa_channel_map_valid(&This->map) || This->ss.format == PA_SAMPLE_INVALID) {
1211         ERR("Invalid format! Channel spec valid: %i, format: %i\n", pa_channel_map_valid(&This->map), This->ss.format);
1212         return AUDCLNT_E_UNSUPPORTED_FORMAT;
1213     }
1214     return S_OK;
1215 }
1216
1217 static HRESULT WINAPI AudioClient_Initialize(IAudioClient *iface,
1218         AUDCLNT_SHAREMODE mode, DWORD flags, REFERENCE_TIME duration,
1219         REFERENCE_TIME period, const WAVEFORMATEX *fmt,
1220         const GUID *sessionguid)
1221 {
1222     ACImpl *This = impl_from_IAudioClient(iface);
1223     HRESULT hr = S_OK;
1224     UINT period_bytes;
1225
1226     TRACE("(%p)->(%x, %x, %s, %s, %p, %s)\n", This, mode, flags,
1227           wine_dbgstr_longlong(duration), wine_dbgstr_longlong(period), fmt, debugstr_guid(sessionguid));
1228
1229     if (!fmt)
1230         return E_POINTER;
1231
1232     if (mode != AUDCLNT_SHAREMODE_SHARED && mode != AUDCLNT_SHAREMODE_EXCLUSIVE)
1233         return AUDCLNT_E_NOT_INITIALIZED;
1234     if (mode == AUDCLNT_SHAREMODE_EXCLUSIVE)
1235         return AUDCLNT_E_EXCLUSIVE_MODE_NOT_ALLOWED;
1236
1237     if (flags & ~(AUDCLNT_STREAMFLAGS_CROSSPROCESS |
1238                 AUDCLNT_STREAMFLAGS_LOOPBACK |
1239                 AUDCLNT_STREAMFLAGS_EVENTCALLBACK |
1240                 AUDCLNT_STREAMFLAGS_NOPERSIST |
1241                 AUDCLNT_STREAMFLAGS_RATEADJUST |
1242                 AUDCLNT_SESSIONFLAGS_EXPIREWHENUNOWNED |
1243                 AUDCLNT_SESSIONFLAGS_DISPLAY_HIDE |
1244                 AUDCLNT_SESSIONFLAGS_DISPLAY_HIDEWHENEXPIRED)) {
1245         TRACE("Unknown flags: %08x\n", flags);
1246         return E_INVALIDARG;
1247     }
1248
1249     pthread_mutex_lock(&pulse_lock);
1250
1251     hr = pulse_connect();
1252     if (FAILED(hr)) {
1253         pthread_mutex_unlock(&pulse_lock);
1254         return hr;
1255     }
1256
1257     if (This->stream) {
1258         pthread_mutex_unlock(&pulse_lock);
1259         return AUDCLNT_E_ALREADY_INITIALIZED;
1260     }
1261
1262     hr = pulse_spec_from_waveformat(This, fmt);
1263     TRACE("Obtaining format returns %08x\n", hr);
1264     dump_fmt(fmt);
1265
1266     if (FAILED(hr))
1267         goto exit;
1268
1269     if (mode == AUDCLNT_SHAREMODE_SHARED) {
1270         REFERENCE_TIME def = pulse_def_period[This->dataflow == eCapture];
1271         REFERENCE_TIME min = pulse_min_period[This->dataflow == eCapture];
1272
1273         /* Switch to low latency mode if below 2 default periods,
1274          * which is 20 ms by default, this will increase the amount
1275          * of interrupts but allows very low latency. In dsound I
1276          * managed to get a total latency of ~8ms, which is well below
1277          * default
1278          */
1279         if (duration < 2 * def)
1280             period = min;
1281         else
1282             period = def;
1283         if (duration < 2 * period)
1284             duration = 2 * period;
1285
1286         /* Uh oh, really low latency requested.. */
1287         if (duration <= 2 * period)
1288             period /= 2;
1289     }
1290     period_bytes = pa_frame_size(&This->ss) * MulDiv(period, This->ss.rate, 10000000);
1291
1292     if (duration < 20000000)
1293         This->bufsize_frames = ceil((duration / 10000000.) * fmt->nSamplesPerSec);
1294     else
1295         This->bufsize_frames = 2 * fmt->nSamplesPerSec;
1296     This->bufsize_bytes = This->bufsize_frames * pa_frame_size(&This->ss);
1297
1298     This->share = mode;
1299     This->flags = flags;
1300     hr = pulse_stream_connect(This, period_bytes);
1301     if (SUCCEEDED(hr)) {
1302         UINT32 unalign;
1303         const pa_buffer_attr *attr = pa_stream_get_buffer_attr(This->stream);
1304         /* Update frames according to new size */
1305         dump_attr(attr);
1306         if (This->dataflow == eRender)
1307             This->bufsize_bytes = attr->tlength;
1308         else {
1309             This->capture_period = period_bytes = attr->fragsize;
1310             if ((unalign = This->bufsize_bytes % period_bytes))
1311                 This->bufsize_bytes += period_bytes - unalign;
1312         }
1313         This->bufsize_frames = This->bufsize_bytes / pa_frame_size(&This->ss);
1314     }
1315     if (SUCCEEDED(hr)) {
1316         UINT32 i, capture_packets = This->capture_period ? This->bufsize_bytes / This->capture_period : 0;
1317         This->tmp_buffer = HeapAlloc(GetProcessHeap(), 0, This->bufsize_bytes + capture_packets * sizeof(ACPacket));
1318         if (!This->tmp_buffer)
1319             hr = E_OUTOFMEMORY;
1320         else {
1321             ACPacket *cur_packet = (ACPacket*)((char*)This->tmp_buffer + This->bufsize_bytes);
1322             BYTE *data = This->tmp_buffer;
1323             silence_buffer(This->ss.format, This->tmp_buffer, This->bufsize_bytes);
1324             list_init(&This->packet_free_head);
1325             list_init(&This->packet_filled_head);
1326             for (i = 0; i < capture_packets; ++i, ++cur_packet) {
1327                 list_add_tail(&This->packet_free_head, &cur_packet->entry);
1328                 cur_packet->data = data;
1329                 data += This->capture_period;
1330             }
1331             assert(!This->capture_period || This->bufsize_bytes == This->capture_period * capture_packets);
1332             assert(!capture_packets || data - This->bufsize_bytes == This->tmp_buffer);
1333         }
1334     }
1335     if (SUCCEEDED(hr))
1336         hr = get_audio_session(sessionguid, This->parent, fmt->nChannels, &This->session);
1337     if (SUCCEEDED(hr))
1338         list_add_tail(&This->session->clients, &This->entry);
1339
1340 exit:
1341     if (FAILED(hr)) {
1342         HeapFree(GetProcessHeap(), 0, This->tmp_buffer);
1343         This->tmp_buffer = NULL;
1344         if (This->stream) {
1345             pa_stream_disconnect(This->stream);
1346             pa_stream_unref(This->stream);
1347             This->stream = NULL;
1348         }
1349     }
1350     pthread_mutex_unlock(&pulse_lock);
1351     return hr;
1352 }
1353
1354 static HRESULT WINAPI AudioClient_GetBufferSize(IAudioClient *iface,
1355         UINT32 *out)
1356 {
1357     ACImpl *This = impl_from_IAudioClient(iface);
1358     HRESULT hr;
1359
1360     TRACE("(%p)->(%p)\n", This, out);
1361
1362     if (!out)
1363         return E_POINTER;
1364
1365     pthread_mutex_lock(&pulse_lock);
1366     hr = pulse_stream_valid(This);
1367     if (SUCCEEDED(hr))
1368         *out = This->bufsize_frames;
1369     pthread_mutex_unlock(&pulse_lock);
1370
1371     return hr;
1372 }
1373
1374 static HRESULT WINAPI AudioClient_GetStreamLatency(IAudioClient *iface,
1375         REFERENCE_TIME *latency)
1376 {
1377     ACImpl *This = impl_from_IAudioClient(iface);
1378     const pa_buffer_attr *attr;
1379     REFERENCE_TIME lat;
1380     HRESULT hr;
1381
1382     TRACE("(%p)->(%p)\n", This, latency);
1383
1384     if (!latency)
1385         return E_POINTER;
1386
1387     pthread_mutex_lock(&pulse_lock);
1388     hr = pulse_stream_valid(This);
1389     if (FAILED(hr)) {
1390         pthread_mutex_unlock(&pulse_lock);
1391         return hr;
1392     }
1393     attr = pa_stream_get_buffer_attr(This->stream);
1394     if (This->dataflow == eRender)
1395         lat = attr->minreq / pa_frame_size(&This->ss);
1396     else
1397         lat = attr->fragsize / pa_frame_size(&This->ss);
1398     *latency = 10000000;
1399     *latency *= lat;
1400     *latency /= This->ss.rate;
1401     pthread_mutex_unlock(&pulse_lock);
1402     TRACE("Latency: %u ms\n", (DWORD)(*latency / 10000));
1403     return S_OK;
1404 }
1405
1406 static void ACImpl_GetRenderPad(ACImpl *This, UINT32 *out)
1407 {
1408     *out = This->pad / pa_frame_size(&This->ss);
1409 }
1410
1411 static void ACImpl_GetCapturePad(ACImpl *This, UINT32 *out)
1412 {
1413     ACPacket *packet = This->locked_ptr;
1414     if (!packet && !list_empty(&This->packet_filled_head)) {
1415         packet = (ACPacket*)list_head(&This->packet_filled_head);
1416         This->locked_ptr = packet;
1417         list_remove(&packet->entry);
1418     }
1419     if (out)
1420         *out = This->pad / pa_frame_size(&This->ss);
1421 }
1422
1423 static HRESULT WINAPI AudioClient_GetCurrentPadding(IAudioClient *iface,
1424         UINT32 *out)
1425 {
1426     ACImpl *This = impl_from_IAudioClient(iface);
1427     HRESULT hr;
1428
1429     TRACE("(%p)->(%p)\n", This, out);
1430
1431     if (!out)
1432         return E_POINTER;
1433
1434     pthread_mutex_lock(&pulse_lock);
1435     hr = pulse_stream_valid(This);
1436     if (FAILED(hr)) {
1437         pthread_mutex_unlock(&pulse_lock);
1438         return hr;
1439     }
1440
1441     if (This->dataflow == eRender)
1442         ACImpl_GetRenderPad(This, out);
1443     else
1444         ACImpl_GetCapturePad(This, out);
1445     pthread_mutex_unlock(&pulse_lock);
1446
1447     TRACE("%p Pad: %u ms (%u)\n", This, MulDiv(*out, 1000, This->ss.rate), *out);
1448     return S_OK;
1449 }
1450
1451 static HRESULT WINAPI AudioClient_IsFormatSupported(IAudioClient *iface,
1452         AUDCLNT_SHAREMODE mode, const WAVEFORMATEX *fmt,
1453         WAVEFORMATEX **out)
1454 {
1455     ACImpl *This = impl_from_IAudioClient(iface);
1456     HRESULT hr = S_OK;
1457     WAVEFORMATEX *closest = NULL;
1458     BOOL exclusive;
1459
1460     TRACE("(%p)->(%x, %p, %p)\n", This, mode, fmt, out);
1461
1462     if (!fmt)
1463         return E_POINTER;
1464
1465     if (out)
1466         *out = NULL;
1467
1468     if (mode == AUDCLNT_SHAREMODE_EXCLUSIVE) {
1469         exclusive = 1;
1470         out = NULL;
1471     } else if (mode == AUDCLNT_SHAREMODE_SHARED) {
1472         exclusive = 0;
1473         if (!out)
1474             return E_POINTER;
1475     } else
1476         return E_INVALIDARG;
1477
1478     if (fmt->nChannels == 0)
1479         return AUDCLNT_E_UNSUPPORTED_FORMAT;
1480
1481     closest = clone_format(fmt);
1482     if (!closest)
1483         return E_OUTOFMEMORY;
1484
1485     dump_fmt(fmt);
1486
1487     switch (fmt->wFormatTag) {
1488     case WAVE_FORMAT_EXTENSIBLE: {
1489         WAVEFORMATEXTENSIBLE *ext = (WAVEFORMATEXTENSIBLE*)closest;
1490
1491         if ((fmt->cbSize != sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX) &&
1492              fmt->cbSize != sizeof(WAVEFORMATEXTENSIBLE)) ||
1493             fmt->nBlockAlign != fmt->wBitsPerSample / 8 * fmt->nChannels ||
1494             ext->Samples.wValidBitsPerSample > fmt->wBitsPerSample ||
1495             fmt->nAvgBytesPerSec != fmt->nBlockAlign * fmt->nSamplesPerSec) {
1496             hr = E_INVALIDARG;
1497             break;
1498         }
1499
1500         if (exclusive) {
1501             UINT32 mask = 0, i, channels = 0;
1502
1503             if (!(ext->dwChannelMask & (SPEAKER_ALL | SPEAKER_RESERVED))) {
1504                 for (i = 1; !(i & SPEAKER_RESERVED); i <<= 1) {
1505                     if (i & ext->dwChannelMask) {
1506                         mask |= i;
1507                         channels++;
1508                     }
1509                 }
1510
1511                 if (channels != fmt->nChannels || (ext->dwChannelMask & ~mask)) {
1512                     hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
1513                     break;
1514                 }
1515             } else {
1516                 hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
1517                 break;
1518             }
1519         }
1520
1521         if (IsEqualGUID(&ext->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)) {
1522             if (fmt->wBitsPerSample != 32) {
1523                 hr = E_INVALIDARG;
1524                 break;
1525             }
1526
1527             if (ext->Samples.wValidBitsPerSample != fmt->wBitsPerSample) {
1528                 hr = S_FALSE;
1529                 ext->Samples.wValidBitsPerSample = fmt->wBitsPerSample;
1530             }
1531         } else if (IsEqualGUID(&ext->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM)) {
1532             if (!fmt->wBitsPerSample || fmt->wBitsPerSample > 32 || fmt->wBitsPerSample % 8) {
1533                 hr = E_INVALIDARG;
1534                 break;
1535             }
1536
1537             if (ext->Samples.wValidBitsPerSample != fmt->wBitsPerSample &&
1538                 !(fmt->wBitsPerSample == 32 &&
1539                   ext->Samples.wValidBitsPerSample == 24)) {
1540                 hr = S_FALSE;
1541                 ext->Samples.wValidBitsPerSample = fmt->wBitsPerSample;
1542                 break;
1543             }
1544         } else {
1545             hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
1546             break;
1547         }
1548
1549         break;
1550     }
1551
1552     case WAVE_FORMAT_ALAW:
1553     case WAVE_FORMAT_MULAW:
1554         if (fmt->wBitsPerSample != 8) {
1555             hr = E_INVALIDARG;
1556             break;
1557         }
1558         /* Fall-through */
1559     case WAVE_FORMAT_IEEE_FLOAT:
1560         if (fmt->wFormatTag == WAVE_FORMAT_IEEE_FLOAT && fmt->wBitsPerSample != 32) {
1561             hr = E_INVALIDARG;
1562             break;
1563         }
1564         /* Fall-through */
1565     case WAVE_FORMAT_PCM:
1566         if (fmt->wFormatTag == WAVE_FORMAT_PCM &&
1567             (!fmt->wBitsPerSample || fmt->wBitsPerSample > 32 || fmt->wBitsPerSample % 8)) {
1568             hr = E_INVALIDARG;
1569             break;
1570         }
1571
1572         if (fmt->nChannels > 2) {
1573             hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
1574             break;
1575         }
1576         /*
1577          * fmt->cbSize, fmt->nBlockAlign and fmt->nAvgBytesPerSec seem to be
1578          * ignored, invalid values are happily accepted.
1579          */
1580         break;
1581     default:
1582         hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
1583         break;
1584     }
1585
1586     if (exclusive && hr != S_OK) {
1587         hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
1588         CoTaskMemFree(closest);
1589     } else if (hr != S_FALSE)
1590         CoTaskMemFree(closest);
1591     else
1592         *out = closest;
1593
1594     /* Winepulse does not currently support exclusive mode, if you know of an
1595      * application that uses it, I will correct this..
1596      */
1597     if (hr == S_OK && exclusive)
1598         return This->dataflow == eCapture ? AUDCLNT_E_UNSUPPORTED_FORMAT : AUDCLNT_E_EXCLUSIVE_MODE_NOT_ALLOWED;
1599
1600     TRACE("returning: %08x %p\n", hr, out ? *out : NULL);
1601     return hr;
1602 }
1603
1604 static HRESULT WINAPI AudioClient_GetMixFormat(IAudioClient *iface,
1605         WAVEFORMATEX **pwfx)
1606 {
1607     ACImpl *This = impl_from_IAudioClient(iface);
1608     WAVEFORMATEXTENSIBLE *fmt = &pulse_fmt[This->dataflow == eCapture];
1609
1610     TRACE("(%p)->(%p)\n", This, pwfx);
1611
1612     if (!pwfx)
1613         return E_POINTER;
1614
1615     *pwfx = clone_format(&fmt->Format);
1616     if (!*pwfx)
1617         return E_OUTOFMEMORY;
1618     dump_fmt(*pwfx);
1619     return S_OK;
1620 }
1621
1622 static HRESULT WINAPI AudioClient_GetDevicePeriod(IAudioClient *iface,
1623         REFERENCE_TIME *defperiod, REFERENCE_TIME *minperiod)
1624 {
1625     ACImpl *This = impl_from_IAudioClient(iface);
1626
1627     TRACE("(%p)->(%p, %p)\n", This, defperiod, minperiod);
1628
1629     if (!defperiod && !minperiod)
1630         return E_POINTER;
1631
1632     if (defperiod)
1633         *defperiod = pulse_def_period[This->dataflow == eCapture];
1634     if (minperiod)
1635         *minperiod = pulse_min_period[This->dataflow == eCapture];
1636
1637     return S_OK;
1638 }
1639
1640 static HRESULT WINAPI AudioClient_Start(IAudioClient *iface)
1641 {
1642     ACImpl *This = impl_from_IAudioClient(iface);
1643     HRESULT hr = S_OK;
1644     int success;
1645     pa_operation *o;
1646
1647     TRACE("(%p)\n", This);
1648
1649     pthread_mutex_lock(&pulse_lock);
1650     hr = pulse_stream_valid(This);
1651     if (FAILED(hr)) {
1652         pthread_mutex_unlock(&pulse_lock);
1653         return hr;
1654     }
1655
1656     if ((This->flags & AUDCLNT_STREAMFLAGS_EVENTCALLBACK) && !This->event) {
1657         pthread_mutex_unlock(&pulse_lock);
1658         return AUDCLNT_E_EVENTHANDLE_NOT_SET;
1659     }
1660
1661     if (This->started) {
1662         pthread_mutex_unlock(&pulse_lock);
1663         return AUDCLNT_E_NOT_STOPPED;
1664     }
1665
1666     if (pa_stream_is_corked(This->stream)) {
1667         o = pa_stream_cork(This->stream, 0, pulse_op_cb, &success);
1668         if (o) {
1669             while(pa_operation_get_state(o) == PA_OPERATION_RUNNING)
1670                 pthread_cond_wait(&pulse_cond, &pulse_lock);
1671             pa_operation_unref(o);
1672         } else
1673             success = 0;
1674         if (!success)
1675             hr = E_FAIL;
1676     }
1677     if (SUCCEEDED(hr)) {
1678         This->started = TRUE;
1679         if (This->dataflow == eRender && This->event)
1680             pa_stream_set_latency_update_callback(This->stream, pulse_latency_callback, This);
1681     }
1682     pthread_mutex_unlock(&pulse_lock);
1683     return hr;
1684 }
1685
1686 static HRESULT WINAPI AudioClient_Stop(IAudioClient *iface)
1687 {
1688     ACImpl *This = impl_from_IAudioClient(iface);
1689     HRESULT hr = S_OK;
1690     pa_operation *o;
1691     int success;
1692
1693     TRACE("(%p)\n", This);
1694
1695     pthread_mutex_lock(&pulse_lock);
1696     hr = pulse_stream_valid(This);
1697     if (FAILED(hr)) {
1698         pthread_mutex_unlock(&pulse_lock);
1699         return hr;
1700     }
1701
1702     if (!This->started) {
1703         pthread_mutex_unlock(&pulse_lock);
1704         return S_FALSE;
1705     }
1706
1707     if (This->dataflow == eRender) {
1708         o = pa_stream_cork(This->stream, 1, pulse_op_cb, &success);
1709         if (o) {
1710             while(pa_operation_get_state(o) == PA_OPERATION_RUNNING)
1711                 pthread_cond_wait(&pulse_cond, &pulse_lock);
1712             pa_operation_unref(o);
1713         } else
1714             success = 0;
1715         if (!success)
1716             hr = E_FAIL;
1717     }
1718     if (SUCCEEDED(hr)) {
1719         This->started = FALSE;
1720     }
1721     pthread_mutex_unlock(&pulse_lock);
1722     return hr;
1723 }
1724
1725 static HRESULT WINAPI AudioClient_Reset(IAudioClient *iface)
1726 {
1727     ACImpl *This = impl_from_IAudioClient(iface);
1728     HRESULT hr = S_OK;
1729
1730     TRACE("(%p)\n", This);
1731
1732     pthread_mutex_lock(&pulse_lock);
1733     hr = pulse_stream_valid(This);
1734     if (FAILED(hr)) {
1735         pthread_mutex_unlock(&pulse_lock);
1736         return hr;
1737     }
1738
1739     if (This->started) {
1740         pthread_mutex_unlock(&pulse_lock);
1741         return AUDCLNT_E_NOT_STOPPED;
1742     }
1743
1744     if (This->locked) {
1745         pthread_mutex_unlock(&pulse_lock);
1746         return AUDCLNT_E_BUFFER_OPERATION_PENDING;
1747     }
1748
1749     if (This->dataflow == eRender) {
1750         /* If there is still data in the render buffer it needs to be removed from the server */
1751         int success = 0;
1752         if (This->pad) {
1753             pa_operation *o = pa_stream_flush(This->stream, pulse_op_cb, &success);
1754             if (o) {
1755                 while(pa_operation_get_state(o) == PA_OPERATION_RUNNING)
1756                     pthread_cond_wait(&pulse_cond, &pulse_lock);
1757                 pa_operation_unref(o);
1758             }
1759         }
1760         if (success || !This->pad)
1761             This->clock_lastpos = This->clock_written = This->pad = 0;
1762     } else {
1763         ACPacket *p;
1764         This->clock_written += This->pad;
1765         This->pad = 0;
1766
1767         if ((p = This->locked_ptr)) {
1768             This->locked_ptr = NULL;
1769             list_add_tail(&This->packet_free_head, &p->entry);
1770         }
1771         list_move_tail(&This->packet_free_head, &This->packet_filled_head);
1772     }
1773     pthread_mutex_unlock(&pulse_lock);
1774
1775     return hr;
1776 }
1777
1778 static HRESULT WINAPI AudioClient_SetEventHandle(IAudioClient *iface,
1779         HANDLE event)
1780 {
1781     ACImpl *This = impl_from_IAudioClient(iface);
1782     HRESULT hr;
1783
1784     TRACE("(%p)->(%p)\n", This, event);
1785
1786     if (!event)
1787         return E_INVALIDARG;
1788
1789     pthread_mutex_lock(&pulse_lock);
1790     hr = pulse_stream_valid(This);
1791     if (FAILED(hr)) {
1792         pthread_mutex_unlock(&pulse_lock);
1793         return hr;
1794     }
1795
1796     if (!(This->flags & AUDCLNT_STREAMFLAGS_EVENTCALLBACK))
1797         hr = AUDCLNT_E_EVENTHANDLE_NOT_EXPECTED;
1798     else if (This->event)
1799         hr = HRESULT_FROM_WIN32(ERROR_INVALID_NAME);
1800     else
1801         This->event = event;
1802     pthread_mutex_unlock(&pulse_lock);
1803     return hr;
1804 }
1805
1806 static HRESULT WINAPI AudioClient_GetService(IAudioClient *iface, REFIID riid,
1807         void **ppv)
1808 {
1809     ACImpl *This = impl_from_IAudioClient(iface);
1810     HRESULT hr;
1811
1812     TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(riid), ppv);
1813
1814     if (!ppv)
1815         return E_POINTER;
1816     *ppv = NULL;
1817
1818     pthread_mutex_lock(&pulse_lock);
1819     hr = pulse_stream_valid(This);
1820     pthread_mutex_unlock(&pulse_lock);
1821     if (FAILED(hr))
1822         return hr;
1823
1824     if (IsEqualIID(riid, &IID_IAudioRenderClient)) {
1825         if (This->dataflow != eRender)
1826             return AUDCLNT_E_WRONG_ENDPOINT_TYPE;
1827         *ppv = &This->IAudioRenderClient_iface;
1828     } else if (IsEqualIID(riid, &IID_IAudioCaptureClient)) {
1829         if (This->dataflow != eCapture)
1830             return AUDCLNT_E_WRONG_ENDPOINT_TYPE;
1831         *ppv = &This->IAudioCaptureClient_iface;
1832     } else if (IsEqualIID(riid, &IID_IAudioClock)) {
1833         *ppv = &This->IAudioClock_iface;
1834     } else if (IsEqualIID(riid, &IID_IAudioStreamVolume)) {
1835         *ppv = &This->IAudioStreamVolume_iface;
1836     } else if (IsEqualIID(riid, &IID_IAudioSessionControl) ||
1837                IsEqualIID(riid, &IID_IChannelAudioVolume) ||
1838                IsEqualIID(riid, &IID_ISimpleAudioVolume)) {
1839         if (!This->session_wrapper) {
1840             This->session_wrapper = AudioSessionWrapper_Create(This);
1841             if (!This->session_wrapper)
1842                 return E_OUTOFMEMORY;
1843         }
1844         if (IsEqualIID(riid, &IID_IAudioSessionControl))
1845             *ppv = &This->session_wrapper->IAudioSessionControl2_iface;
1846         else if (IsEqualIID(riid, &IID_IChannelAudioVolume))
1847             *ppv = &This->session_wrapper->IChannelAudioVolume_iface;
1848         else if (IsEqualIID(riid, &IID_ISimpleAudioVolume))
1849             *ppv = &This->session_wrapper->ISimpleAudioVolume_iface;
1850     }
1851
1852     if (*ppv) {
1853         IUnknown_AddRef((IUnknown*)*ppv);
1854         return S_OK;
1855     }
1856
1857     FIXME("stub %s\n", debugstr_guid(riid));
1858     return E_NOINTERFACE;
1859 }
1860
1861 static const IAudioClientVtbl AudioClient_Vtbl =
1862 {
1863     AudioClient_QueryInterface,
1864     AudioClient_AddRef,
1865     AudioClient_Release,
1866     AudioClient_Initialize,
1867     AudioClient_GetBufferSize,
1868     AudioClient_GetStreamLatency,
1869     AudioClient_GetCurrentPadding,
1870     AudioClient_IsFormatSupported,
1871     AudioClient_GetMixFormat,
1872     AudioClient_GetDevicePeriod,
1873     AudioClient_Start,
1874     AudioClient_Stop,
1875     AudioClient_Reset,
1876     AudioClient_SetEventHandle,
1877     AudioClient_GetService
1878 };
1879
1880 static HRESULT WINAPI AudioRenderClient_QueryInterface(
1881         IAudioRenderClient *iface, REFIID riid, void **ppv)
1882 {
1883     ACImpl *This = impl_from_IAudioRenderClient(iface);
1884     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
1885
1886     if (!ppv)
1887         return E_POINTER;
1888     *ppv = NULL;
1889
1890     if (IsEqualIID(riid, &IID_IUnknown) ||
1891         IsEqualIID(riid, &IID_IAudioRenderClient))
1892         *ppv = iface;
1893     if (*ppv) {
1894         IUnknown_AddRef((IUnknown*)*ppv);
1895         return S_OK;
1896     }
1897
1898     if (IsEqualIID(riid, &IID_IMarshal))
1899         return IUnknown_QueryInterface(This->marshal, riid, ppv);
1900
1901     WARN("Unknown interface %s\n", debugstr_guid(riid));
1902     return E_NOINTERFACE;
1903 }
1904
1905 static ULONG WINAPI AudioRenderClient_AddRef(IAudioRenderClient *iface)
1906 {
1907     ACImpl *This = impl_from_IAudioRenderClient(iface);
1908     return AudioClient_AddRef(&This->IAudioClient_iface);
1909 }
1910
1911 static ULONG WINAPI AudioRenderClient_Release(IAudioRenderClient *iface)
1912 {
1913     ACImpl *This = impl_from_IAudioRenderClient(iface);
1914     return AudioClient_Release(&This->IAudioClient_iface);
1915 }
1916
1917 static HRESULT WINAPI AudioRenderClient_GetBuffer(IAudioRenderClient *iface,
1918         UINT32 frames, BYTE **data)
1919 {
1920     ACImpl *This = impl_from_IAudioRenderClient(iface);
1921     size_t avail, req, bytes = frames * pa_frame_size(&This->ss);
1922     UINT32 pad;
1923     HRESULT hr = S_OK;
1924     int ret = -1;
1925
1926     TRACE("(%p)->(%u, %p)\n", This, frames, data);
1927
1928     if (!data)
1929         return E_POINTER;
1930     *data = NULL;
1931
1932     pthread_mutex_lock(&pulse_lock);
1933     hr = pulse_stream_valid(This);
1934     if (FAILED(hr) || This->locked) {
1935         pthread_mutex_unlock(&pulse_lock);
1936         return FAILED(hr) ? hr : AUDCLNT_E_OUT_OF_ORDER;
1937     }
1938     if (!frames) {
1939         pthread_mutex_unlock(&pulse_lock);
1940         return S_OK;
1941     }
1942
1943     ACImpl_GetRenderPad(This, &pad);
1944     avail = This->bufsize_frames - pad;
1945     if (avail < frames || bytes > This->bufsize_bytes) {
1946         pthread_mutex_unlock(&pulse_lock);
1947         WARN("Wanted to write %u, but only %zu available\n", frames, avail);
1948         return AUDCLNT_E_BUFFER_TOO_LARGE;
1949     }
1950
1951     This->locked = frames;
1952     req = bytes;
1953     ret = pa_stream_begin_write(This->stream, &This->locked_ptr, &req);
1954     if (ret < 0 || req < bytes) {
1955         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);
1956         if (ret >= 0)
1957             pa_stream_cancel_write(This->stream);
1958         *data = This->tmp_buffer;
1959         This->locked_ptr = NULL;
1960     } else
1961         *data = This->locked_ptr;
1962     pthread_mutex_unlock(&pulse_lock);
1963     return hr;
1964 }
1965
1966 static void pulse_free_noop(void *buf)
1967 {
1968 }
1969
1970 static HRESULT WINAPI AudioRenderClient_ReleaseBuffer(
1971         IAudioRenderClient *iface, UINT32 written_frames, DWORD flags)
1972 {
1973     ACImpl *This = impl_from_IAudioRenderClient(iface);
1974     UINT32 written_bytes = written_frames * pa_frame_size(&This->ss);
1975
1976     TRACE("(%p)->(%u, %x)\n", This, written_frames, flags);
1977
1978     pthread_mutex_lock(&pulse_lock);
1979     if (!This->locked || !written_frames) {
1980         if (This->locked_ptr)
1981             pa_stream_cancel_write(This->stream);
1982         This->locked = 0;
1983         This->locked_ptr = NULL;
1984         pthread_mutex_unlock(&pulse_lock);
1985         return written_frames ? AUDCLNT_E_OUT_OF_ORDER : S_OK;
1986     }
1987
1988     if (This->locked < written_frames) {
1989         pthread_mutex_unlock(&pulse_lock);
1990         return AUDCLNT_E_INVALID_SIZE;
1991     }
1992
1993     This->locked = 0;
1994     if (This->locked_ptr) {
1995         if (flags & AUDCLNT_BUFFERFLAGS_SILENT)
1996             silence_buffer(This->ss.format, This->locked_ptr, written_bytes);
1997         pa_stream_write(This->stream, This->locked_ptr, written_bytes, NULL, 0, PA_SEEK_RELATIVE);
1998     } else {
1999         if (flags & AUDCLNT_BUFFERFLAGS_SILENT)
2000             silence_buffer(This->ss.format, This->tmp_buffer, written_bytes);
2001         pa_stream_write(This->stream, This->tmp_buffer, written_bytes, pulse_free_noop, 0, PA_SEEK_RELATIVE);
2002     }
2003
2004     This->pad += written_bytes;
2005     This->locked_ptr = NULL;
2006     TRACE("Released %u, pad %zu\n", written_frames, This->pad / pa_frame_size(&This->ss));
2007     assert(This->pad <= This->bufsize_bytes);
2008
2009     pthread_mutex_unlock(&pulse_lock);
2010     return S_OK;
2011 }
2012
2013 static const IAudioRenderClientVtbl AudioRenderClient_Vtbl = {
2014     AudioRenderClient_QueryInterface,
2015     AudioRenderClient_AddRef,
2016     AudioRenderClient_Release,
2017     AudioRenderClient_GetBuffer,
2018     AudioRenderClient_ReleaseBuffer
2019 };
2020
2021 static HRESULT WINAPI AudioCaptureClient_QueryInterface(
2022         IAudioCaptureClient *iface, REFIID riid, void **ppv)
2023 {
2024     ACImpl *This = impl_from_IAudioCaptureClient(iface);
2025     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2026
2027     if (!ppv)
2028         return E_POINTER;
2029     *ppv = NULL;
2030
2031     if (IsEqualIID(riid, &IID_IUnknown) ||
2032         IsEqualIID(riid, &IID_IAudioCaptureClient))
2033         *ppv = iface;
2034     if (*ppv) {
2035         IUnknown_AddRef((IUnknown*)*ppv);
2036         return S_OK;
2037     }
2038
2039     if (IsEqualIID(riid, &IID_IMarshal))
2040         return IUnknown_QueryInterface(This->marshal, riid, ppv);
2041
2042     WARN("Unknown interface %s\n", debugstr_guid(riid));
2043     return E_NOINTERFACE;
2044 }
2045
2046 static ULONG WINAPI AudioCaptureClient_AddRef(IAudioCaptureClient *iface)
2047 {
2048     ACImpl *This = impl_from_IAudioCaptureClient(iface);
2049     return IAudioClient_AddRef(&This->IAudioClient_iface);
2050 }
2051
2052 static ULONG WINAPI AudioCaptureClient_Release(IAudioCaptureClient *iface)
2053 {
2054     ACImpl *This = impl_from_IAudioCaptureClient(iface);
2055     return IAudioClient_Release(&This->IAudioClient_iface);
2056 }
2057
2058 static HRESULT WINAPI AudioCaptureClient_GetBuffer(IAudioCaptureClient *iface,
2059         BYTE **data, UINT32 *frames, DWORD *flags, UINT64 *devpos,
2060         UINT64 *qpcpos)
2061 {
2062     ACImpl *This = impl_from_IAudioCaptureClient(iface);
2063     HRESULT hr;
2064     ACPacket *packet;
2065
2066     TRACE("(%p)->(%p, %p, %p, %p, %p)\n", This, data, frames, flags,
2067             devpos, qpcpos);
2068
2069     if (!data || !frames || !flags)
2070         return E_POINTER;
2071
2072     pthread_mutex_lock(&pulse_lock);
2073     hr = pulse_stream_valid(This);
2074     if (FAILED(hr) || This->locked) {
2075         pthread_mutex_unlock(&pulse_lock);
2076         return FAILED(hr) ? hr : AUDCLNT_E_OUT_OF_ORDER;
2077     }
2078
2079     ACImpl_GetCapturePad(This, NULL);
2080     if ((packet = This->locked_ptr)) {
2081         *frames = This->capture_period / pa_frame_size(&This->ss);
2082         *flags = 0;
2083         if (packet->discont)
2084             *flags |= AUDCLNT_BUFFERFLAGS_DATA_DISCONTINUITY;
2085         if (devpos) {
2086             if (packet->discont)
2087                 *devpos = (This->clock_written + This->capture_period) / pa_frame_size(&This->ss);
2088             else
2089                 *devpos = This->clock_written / pa_frame_size(&This->ss);
2090         }
2091         if (qpcpos)
2092             *qpcpos = packet->qpcpos;
2093         *data = packet->data;
2094     }
2095     else
2096         *frames = 0;
2097     This->locked = *frames;
2098     pthread_mutex_unlock(&pulse_lock);
2099     return *frames ? S_OK : AUDCLNT_S_BUFFER_EMPTY;
2100 }
2101
2102 static HRESULT WINAPI AudioCaptureClient_ReleaseBuffer(
2103         IAudioCaptureClient *iface, UINT32 done)
2104 {
2105     ACImpl *This = impl_from_IAudioCaptureClient(iface);
2106
2107     TRACE("(%p)->(%u)\n", This, done);
2108
2109     pthread_mutex_lock(&pulse_lock);
2110     if (!This->locked && done) {
2111         pthread_mutex_unlock(&pulse_lock);
2112         return AUDCLNT_E_OUT_OF_ORDER;
2113     }
2114     if (done && This->locked != done) {
2115         pthread_mutex_unlock(&pulse_lock);
2116         return AUDCLNT_E_INVALID_SIZE;
2117     }
2118     if (done) {
2119         ACPacket *packet = This->locked_ptr;
2120         This->locked_ptr = NULL;
2121         This->pad -= This->capture_period;
2122         if (packet->discont)
2123             This->clock_written += 2 * This->capture_period;
2124         else
2125             This->clock_written += This->capture_period;
2126         list_add_tail(&This->packet_free_head, &packet->entry);
2127     }
2128     This->locked = 0;
2129     pthread_mutex_unlock(&pulse_lock);
2130     return S_OK;
2131 }
2132
2133 static HRESULT WINAPI AudioCaptureClient_GetNextPacketSize(
2134         IAudioCaptureClient *iface, UINT32 *frames)
2135 {
2136     ACImpl *This = impl_from_IAudioCaptureClient(iface);
2137
2138     TRACE("(%p)->(%p)\n", This, frames);
2139     if (!frames)
2140         return E_POINTER;
2141
2142     pthread_mutex_lock(&pulse_lock);
2143     ACImpl_GetCapturePad(This, NULL);
2144     if (This->locked_ptr)
2145         *frames = This->capture_period / pa_frame_size(&This->ss);
2146     else
2147         *frames = 0;
2148     pthread_mutex_unlock(&pulse_lock);
2149     return S_OK;
2150 }
2151
2152 static const IAudioCaptureClientVtbl AudioCaptureClient_Vtbl =
2153 {
2154     AudioCaptureClient_QueryInterface,
2155     AudioCaptureClient_AddRef,
2156     AudioCaptureClient_Release,
2157     AudioCaptureClient_GetBuffer,
2158     AudioCaptureClient_ReleaseBuffer,
2159     AudioCaptureClient_GetNextPacketSize
2160 };
2161
2162 static HRESULT WINAPI AudioClock_QueryInterface(IAudioClock *iface,
2163         REFIID riid, void **ppv)
2164 {
2165     ACImpl *This = impl_from_IAudioClock(iface);
2166
2167     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2168
2169     if (!ppv)
2170         return E_POINTER;
2171     *ppv = NULL;
2172
2173     if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IAudioClock))
2174         *ppv = iface;
2175     else if (IsEqualIID(riid, &IID_IAudioClock2))
2176         *ppv = &This->IAudioClock2_iface;
2177     if (*ppv) {
2178         IUnknown_AddRef((IUnknown*)*ppv);
2179         return S_OK;
2180     }
2181
2182     if (IsEqualIID(riid, &IID_IMarshal))
2183         return IUnknown_QueryInterface(This->marshal, riid, ppv);
2184
2185     WARN("Unknown interface %s\n", debugstr_guid(riid));
2186     return E_NOINTERFACE;
2187 }
2188
2189 static ULONG WINAPI AudioClock_AddRef(IAudioClock *iface)
2190 {
2191     ACImpl *This = impl_from_IAudioClock(iface);
2192     return IAudioClient_AddRef(&This->IAudioClient_iface);
2193 }
2194
2195 static ULONG WINAPI AudioClock_Release(IAudioClock *iface)
2196 {
2197     ACImpl *This = impl_from_IAudioClock(iface);
2198     return IAudioClient_Release(&This->IAudioClient_iface);
2199 }
2200
2201 static HRESULT WINAPI AudioClock_GetFrequency(IAudioClock *iface, UINT64 *freq)
2202 {
2203     ACImpl *This = impl_from_IAudioClock(iface);
2204     HRESULT hr;
2205
2206     TRACE("(%p)->(%p)\n", This, freq);
2207
2208     pthread_mutex_lock(&pulse_lock);
2209     hr = pulse_stream_valid(This);
2210     if (SUCCEEDED(hr))
2211         *freq = This->ss.rate * pa_frame_size(&This->ss);
2212     pthread_mutex_unlock(&pulse_lock);
2213     return hr;
2214 }
2215
2216 static HRESULT WINAPI AudioClock_GetPosition(IAudioClock *iface, UINT64 *pos,
2217         UINT64 *qpctime)
2218 {
2219     ACImpl *This = impl_from_IAudioClock(iface);
2220     HRESULT hr;
2221
2222     TRACE("(%p)->(%p, %p)\n", This, pos, qpctime);
2223
2224     if (!pos)
2225         return E_POINTER;
2226
2227     pthread_mutex_lock(&pulse_lock);
2228     hr = pulse_stream_valid(This);
2229     if (FAILED(hr)) {
2230         pthread_mutex_unlock(&pulse_lock);
2231         return hr;
2232     }
2233
2234     *pos = This->clock_written;
2235
2236     /* Make time never go backwards */
2237     if (*pos < This->clock_lastpos)
2238         *pos = This->clock_lastpos;
2239     else
2240         This->clock_lastpos = *pos;
2241     pthread_mutex_unlock(&pulse_lock);
2242
2243     TRACE("%p Position: %u\n", This, (unsigned)*pos);
2244
2245     if (qpctime) {
2246         LARGE_INTEGER stamp, freq;
2247         QueryPerformanceCounter(&stamp);
2248         QueryPerformanceFrequency(&freq);
2249         *qpctime = (stamp.QuadPart * (INT64)10000000) / freq.QuadPart;
2250     }
2251
2252     return S_OK;
2253 }
2254
2255 static HRESULT WINAPI AudioClock_GetCharacteristics(IAudioClock *iface,
2256         DWORD *chars)
2257 {
2258     ACImpl *This = impl_from_IAudioClock(iface);
2259
2260     TRACE("(%p)->(%p)\n", This, chars);
2261
2262     if (!chars)
2263         return E_POINTER;
2264
2265     *chars = AUDIOCLOCK_CHARACTERISTIC_FIXED_FREQ;
2266
2267     return S_OK;
2268 }
2269
2270 static const IAudioClockVtbl AudioClock_Vtbl =
2271 {
2272     AudioClock_QueryInterface,
2273     AudioClock_AddRef,
2274     AudioClock_Release,
2275     AudioClock_GetFrequency,
2276     AudioClock_GetPosition,
2277     AudioClock_GetCharacteristics
2278 };
2279
2280 static HRESULT WINAPI AudioClock2_QueryInterface(IAudioClock2 *iface,
2281         REFIID riid, void **ppv)
2282 {
2283     ACImpl *This = impl_from_IAudioClock2(iface);
2284     return IAudioClock_QueryInterface(&This->IAudioClock_iface, riid, ppv);
2285 }
2286
2287 static ULONG WINAPI AudioClock2_AddRef(IAudioClock2 *iface)
2288 {
2289     ACImpl *This = impl_from_IAudioClock2(iface);
2290     return IAudioClient_AddRef(&This->IAudioClient_iface);
2291 }
2292
2293 static ULONG WINAPI AudioClock2_Release(IAudioClock2 *iface)
2294 {
2295     ACImpl *This = impl_from_IAudioClock2(iface);
2296     return IAudioClient_Release(&This->IAudioClient_iface);
2297 }
2298
2299 static HRESULT WINAPI AudioClock2_GetDevicePosition(IAudioClock2 *iface,
2300         UINT64 *pos, UINT64 *qpctime)
2301 {
2302     ACImpl *This = impl_from_IAudioClock2(iface);
2303     HRESULT hr = AudioClock_GetPosition(&This->IAudioClock_iface, pos, qpctime);
2304     if (SUCCEEDED(hr))
2305         *pos /= pa_frame_size(&This->ss);
2306     return hr;
2307 }
2308
2309 static const IAudioClock2Vtbl AudioClock2_Vtbl =
2310 {
2311     AudioClock2_QueryInterface,
2312     AudioClock2_AddRef,
2313     AudioClock2_Release,
2314     AudioClock2_GetDevicePosition
2315 };
2316
2317 static HRESULT WINAPI AudioStreamVolume_QueryInterface(
2318         IAudioStreamVolume *iface, REFIID riid, void **ppv)
2319 {
2320     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2321
2322     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2323
2324     if (!ppv)
2325         return E_POINTER;
2326     *ppv = NULL;
2327
2328     if (IsEqualIID(riid, &IID_IUnknown) ||
2329         IsEqualIID(riid, &IID_IAudioStreamVolume))
2330         *ppv = iface;
2331     if (*ppv) {
2332         IUnknown_AddRef((IUnknown*)*ppv);
2333         return S_OK;
2334     }
2335
2336     if (IsEqualIID(riid, &IID_IMarshal))
2337         return IUnknown_QueryInterface(This->marshal, riid, ppv);
2338
2339     WARN("Unknown interface %s\n", debugstr_guid(riid));
2340     return E_NOINTERFACE;
2341 }
2342
2343 static ULONG WINAPI AudioStreamVolume_AddRef(IAudioStreamVolume *iface)
2344 {
2345     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2346     return IAudioClient_AddRef(&This->IAudioClient_iface);
2347 }
2348
2349 static ULONG WINAPI AudioStreamVolume_Release(IAudioStreamVolume *iface)
2350 {
2351     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2352     return IAudioClient_Release(&This->IAudioClient_iface);
2353 }
2354
2355 static HRESULT WINAPI AudioStreamVolume_GetChannelCount(
2356         IAudioStreamVolume *iface, UINT32 *out)
2357 {
2358     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2359
2360     TRACE("(%p)->(%p)\n", This, out);
2361
2362     if (!out)
2363         return E_POINTER;
2364
2365     *out = This->ss.channels;
2366
2367     return S_OK;
2368 }
2369
2370 struct pulse_info_cb_data {
2371     UINT32 n;
2372     float *levels;
2373 };
2374
2375 static HRESULT WINAPI AudioStreamVolume_SetAllVolumes(
2376         IAudioStreamVolume *iface, UINT32 count, const float *levels)
2377 {
2378     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2379     HRESULT hr;
2380     int i;
2381
2382     TRACE("(%p)->(%d, %p)\n", This, count, levels);
2383
2384     if (!levels)
2385         return E_POINTER;
2386
2387     if (count != This->ss.channels)
2388         return E_INVALIDARG;
2389
2390     pthread_mutex_lock(&pulse_lock);
2391     hr = pulse_stream_valid(This);
2392     if (FAILED(hr))
2393         goto out;
2394
2395     for (i = 0; i < count; ++i)
2396         This->vol[i] = levels[i];
2397
2398 out:
2399     pthread_mutex_unlock(&pulse_lock);
2400     return hr;
2401 }
2402
2403 static HRESULT WINAPI AudioStreamVolume_GetAllVolumes(
2404         IAudioStreamVolume *iface, UINT32 count, float *levels)
2405 {
2406     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2407     HRESULT hr;
2408     int i;
2409
2410     TRACE("(%p)->(%d, %p)\n", This, count, levels);
2411
2412     if (!levels)
2413         return E_POINTER;
2414
2415     if (count != This->ss.channels)
2416         return E_INVALIDARG;
2417
2418     pthread_mutex_lock(&pulse_lock);
2419     hr = pulse_stream_valid(This);
2420     if (FAILED(hr))
2421         goto out;
2422
2423     for (i = 0; i < count; ++i)
2424         levels[i] = This->vol[i];
2425
2426 out:
2427     pthread_mutex_unlock(&pulse_lock);
2428     return hr;
2429 }
2430
2431 static HRESULT WINAPI AudioStreamVolume_SetChannelVolume(
2432         IAudioStreamVolume *iface, UINT32 index, float level)
2433 {
2434     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2435     HRESULT hr;
2436     float volumes[PA_CHANNELS_MAX];
2437
2438     TRACE("(%p)->(%d, %f)\n", This, index, level);
2439
2440     if (level < 0.f || level > 1.f)
2441         return E_INVALIDARG;
2442
2443     if (index >= This->ss.channels)
2444         return E_INVALIDARG;
2445
2446     hr = AudioStreamVolume_GetAllVolumes(iface, This->ss.channels, volumes);
2447     volumes[index] = level;
2448     if (SUCCEEDED(hr))
2449         hr = AudioStreamVolume_SetAllVolumes(iface, This->ss.channels, volumes);
2450     return hr;
2451 }
2452
2453 static HRESULT WINAPI AudioStreamVolume_GetChannelVolume(
2454         IAudioStreamVolume *iface, UINT32 index, float *level)
2455 {
2456     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2457     float volumes[PA_CHANNELS_MAX];
2458     HRESULT hr;
2459
2460     TRACE("(%p)->(%d, %p)\n", This, index, level);
2461
2462     if (!level)
2463         return E_POINTER;
2464
2465     if (index >= This->ss.channels)
2466         return E_INVALIDARG;
2467
2468     hr = AudioStreamVolume_GetAllVolumes(iface, This->ss.channels, volumes);
2469     if (SUCCEEDED(hr))
2470         *level = volumes[index];
2471     return hr;
2472 }
2473
2474 static const IAudioStreamVolumeVtbl AudioStreamVolume_Vtbl =
2475 {
2476     AudioStreamVolume_QueryInterface,
2477     AudioStreamVolume_AddRef,
2478     AudioStreamVolume_Release,
2479     AudioStreamVolume_GetChannelCount,
2480     AudioStreamVolume_SetChannelVolume,
2481     AudioStreamVolume_GetChannelVolume,
2482     AudioStreamVolume_SetAllVolumes,
2483     AudioStreamVolume_GetAllVolumes
2484 };
2485
2486 static AudioSessionWrapper *AudioSessionWrapper_Create(ACImpl *client)
2487 {
2488     AudioSessionWrapper *ret;
2489
2490     ret = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
2491             sizeof(AudioSessionWrapper));
2492     if (!ret)
2493         return NULL;
2494
2495     ret->IAudioSessionControl2_iface.lpVtbl = &AudioSessionControl2_Vtbl;
2496     ret->ISimpleAudioVolume_iface.lpVtbl = &SimpleAudioVolume_Vtbl;
2497     ret->IChannelAudioVolume_iface.lpVtbl = &ChannelAudioVolume_Vtbl;
2498
2499     ret->ref = !client;
2500
2501     ret->client = client;
2502     if (client) {
2503         ret->session = client->session;
2504         AudioClient_AddRef(&client->IAudioClient_iface);
2505     }
2506
2507     return ret;
2508 }
2509
2510 static HRESULT WINAPI AudioSessionControl_QueryInterface(
2511         IAudioSessionControl2 *iface, REFIID riid, void **ppv)
2512 {
2513     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2514
2515     if (!ppv)
2516         return E_POINTER;
2517     *ppv = NULL;
2518
2519     if (IsEqualIID(riid, &IID_IUnknown) ||
2520         IsEqualIID(riid, &IID_IAudioSessionControl) ||
2521         IsEqualIID(riid, &IID_IAudioSessionControl2))
2522         *ppv = iface;
2523     if (*ppv) {
2524         IUnknown_AddRef((IUnknown*)*ppv);
2525         return S_OK;
2526     }
2527
2528     WARN("Unknown interface %s\n", debugstr_guid(riid));
2529     return E_NOINTERFACE;
2530 }
2531
2532 static ULONG WINAPI AudioSessionControl_AddRef(IAudioSessionControl2 *iface)
2533 {
2534     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2535     ULONG ref;
2536     ref = InterlockedIncrement(&This->ref);
2537     TRACE("(%p) Refcount now %u\n", This, ref);
2538     return ref;
2539 }
2540
2541 static ULONG WINAPI AudioSessionControl_Release(IAudioSessionControl2 *iface)
2542 {
2543     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2544     ULONG ref;
2545     ref = InterlockedDecrement(&This->ref);
2546     TRACE("(%p) Refcount now %u\n", This, ref);
2547     if (!ref) {
2548         if (This->client) {
2549             This->client->session_wrapper = NULL;
2550             AudioClient_Release(&This->client->IAudioClient_iface);
2551         }
2552         HeapFree(GetProcessHeap(), 0, This);
2553     }
2554     return ref;
2555 }
2556
2557 static HRESULT WINAPI AudioSessionControl_GetState(IAudioSessionControl2 *iface,
2558         AudioSessionState *state)
2559 {
2560     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2561     ACImpl *client;
2562
2563     TRACE("(%p)->(%p)\n", This, state);
2564
2565     if (!state)
2566         return NULL_PTR_ERR;
2567
2568     pthread_mutex_lock(&pulse_lock);
2569     if (list_empty(&This->session->clients)) {
2570         *state = AudioSessionStateExpired;
2571         goto out;
2572     }
2573     LIST_FOR_EACH_ENTRY(client, &This->session->clients, ACImpl, entry) {
2574         if (client->started) {
2575             *state = AudioSessionStateActive;
2576             goto out;
2577         }
2578     }
2579     *state = AudioSessionStateInactive;
2580
2581 out:
2582     pthread_mutex_unlock(&pulse_lock);
2583     return S_OK;
2584 }
2585
2586 static HRESULT WINAPI AudioSessionControl_GetDisplayName(
2587         IAudioSessionControl2 *iface, WCHAR **name)
2588 {
2589     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2590
2591     FIXME("(%p)->(%p) - stub\n", This, name);
2592
2593     return E_NOTIMPL;
2594 }
2595
2596 static HRESULT WINAPI AudioSessionControl_SetDisplayName(
2597         IAudioSessionControl2 *iface, const WCHAR *name, const GUID *session)
2598 {
2599     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2600
2601     FIXME("(%p)->(%p, %s) - stub\n", This, name, debugstr_guid(session));
2602
2603     return E_NOTIMPL;
2604 }
2605
2606 static HRESULT WINAPI AudioSessionControl_GetIconPath(
2607         IAudioSessionControl2 *iface, WCHAR **path)
2608 {
2609     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2610
2611     FIXME("(%p)->(%p) - stub\n", This, path);
2612
2613     return E_NOTIMPL;
2614 }
2615
2616 static HRESULT WINAPI AudioSessionControl_SetIconPath(
2617         IAudioSessionControl2 *iface, const WCHAR *path, const GUID *session)
2618 {
2619     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2620
2621     FIXME("(%p)->(%p, %s) - stub\n", This, path, debugstr_guid(session));
2622
2623     return E_NOTIMPL;
2624 }
2625
2626 static HRESULT WINAPI AudioSessionControl_GetGroupingParam(
2627         IAudioSessionControl2 *iface, GUID *group)
2628 {
2629     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2630
2631     FIXME("(%p)->(%p) - stub\n", This, group);
2632
2633     return E_NOTIMPL;
2634 }
2635
2636 static HRESULT WINAPI AudioSessionControl_SetGroupingParam(
2637         IAudioSessionControl2 *iface, const GUID *group, const GUID *session)
2638 {
2639     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2640
2641     FIXME("(%p)->(%s, %s) - stub\n", This, debugstr_guid(group),
2642             debugstr_guid(session));
2643
2644     return E_NOTIMPL;
2645 }
2646
2647 static HRESULT WINAPI AudioSessionControl_RegisterAudioSessionNotification(
2648         IAudioSessionControl2 *iface, IAudioSessionEvents *events)
2649 {
2650     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2651
2652     FIXME("(%p)->(%p) - stub\n", This, events);
2653
2654     return S_OK;
2655 }
2656
2657 static HRESULT WINAPI AudioSessionControl_UnregisterAudioSessionNotification(
2658         IAudioSessionControl2 *iface, IAudioSessionEvents *events)
2659 {
2660     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2661
2662     FIXME("(%p)->(%p) - stub\n", This, events);
2663
2664     return S_OK;
2665 }
2666
2667 static HRESULT WINAPI AudioSessionControl_GetSessionIdentifier(
2668         IAudioSessionControl2 *iface, WCHAR **id)
2669 {
2670     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2671
2672     FIXME("(%p)->(%p) - stub\n", This, id);
2673
2674     return E_NOTIMPL;
2675 }
2676
2677 static HRESULT WINAPI AudioSessionControl_GetSessionInstanceIdentifier(
2678         IAudioSessionControl2 *iface, WCHAR **id)
2679 {
2680     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2681
2682     FIXME("(%p)->(%p) - stub\n", This, id);
2683
2684     return E_NOTIMPL;
2685 }
2686
2687 static HRESULT WINAPI AudioSessionControl_GetProcessId(
2688         IAudioSessionControl2 *iface, DWORD *pid)
2689 {
2690     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2691
2692     TRACE("(%p)->(%p)\n", This, pid);
2693
2694     if (!pid)
2695         return E_POINTER;
2696
2697     *pid = GetCurrentProcessId();
2698
2699     return S_OK;
2700 }
2701
2702 static HRESULT WINAPI AudioSessionControl_IsSystemSoundsSession(
2703         IAudioSessionControl2 *iface)
2704 {
2705     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2706
2707     TRACE("(%p)\n", This);
2708
2709     return S_FALSE;
2710 }
2711
2712 static HRESULT WINAPI AudioSessionControl_SetDuckingPreference(
2713         IAudioSessionControl2 *iface, BOOL optout)
2714 {
2715     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2716
2717     TRACE("(%p)->(%d)\n", This, optout);
2718
2719     return S_OK;
2720 }
2721
2722 static const IAudioSessionControl2Vtbl AudioSessionControl2_Vtbl =
2723 {
2724     AudioSessionControl_QueryInterface,
2725     AudioSessionControl_AddRef,
2726     AudioSessionControl_Release,
2727     AudioSessionControl_GetState,
2728     AudioSessionControl_GetDisplayName,
2729     AudioSessionControl_SetDisplayName,
2730     AudioSessionControl_GetIconPath,
2731     AudioSessionControl_SetIconPath,
2732     AudioSessionControl_GetGroupingParam,
2733     AudioSessionControl_SetGroupingParam,
2734     AudioSessionControl_RegisterAudioSessionNotification,
2735     AudioSessionControl_UnregisterAudioSessionNotification,
2736     AudioSessionControl_GetSessionIdentifier,
2737     AudioSessionControl_GetSessionInstanceIdentifier,
2738     AudioSessionControl_GetProcessId,
2739     AudioSessionControl_IsSystemSoundsSession,
2740     AudioSessionControl_SetDuckingPreference
2741 };
2742
2743 typedef struct _SessionMgr {
2744     IAudioSessionManager2 IAudioSessionManager2_iface;
2745
2746     LONG ref;
2747
2748     IMMDevice *device;
2749 } SessionMgr;
2750
2751 static HRESULT WINAPI AudioSessionManager_QueryInterface(IAudioSessionManager2 *iface,
2752         REFIID riid, void **ppv)
2753 {
2754     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2755
2756     if (!ppv)
2757         return E_POINTER;
2758     *ppv = NULL;
2759
2760     if (IsEqualIID(riid, &IID_IUnknown) ||
2761         IsEqualIID(riid, &IID_IAudioSessionManager) ||
2762         IsEqualIID(riid, &IID_IAudioSessionManager2))
2763         *ppv = iface;
2764     if (*ppv) {
2765         IUnknown_AddRef((IUnknown*)*ppv);
2766         return S_OK;
2767     }
2768
2769     WARN("Unknown interface %s\n", debugstr_guid(riid));
2770     return E_NOINTERFACE;
2771 }
2772
2773 static inline SessionMgr *impl_from_IAudioSessionManager2(IAudioSessionManager2 *iface)
2774 {
2775     return CONTAINING_RECORD(iface, SessionMgr, IAudioSessionManager2_iface);
2776 }
2777
2778 static ULONG WINAPI AudioSessionManager_AddRef(IAudioSessionManager2 *iface)
2779 {
2780     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
2781     ULONG ref;
2782     ref = InterlockedIncrement(&This->ref);
2783     TRACE("(%p) Refcount now %u\n", This, ref);
2784     return ref;
2785 }
2786
2787 static ULONG WINAPI AudioSessionManager_Release(IAudioSessionManager2 *iface)
2788 {
2789     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
2790     ULONG ref;
2791     ref = InterlockedDecrement(&This->ref);
2792     TRACE("(%p) Refcount now %u\n", This, ref);
2793     if (!ref)
2794         HeapFree(GetProcessHeap(), 0, This);
2795     return ref;
2796 }
2797
2798 static HRESULT WINAPI AudioSessionManager_GetAudioSessionControl(
2799         IAudioSessionManager2 *iface, const GUID *session_guid, DWORD flags,
2800         IAudioSessionControl **out)
2801 {
2802     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
2803     AudioSession *session;
2804     AudioSessionWrapper *wrapper;
2805     HRESULT hr;
2806
2807     TRACE("(%p)->(%s, %x, %p)\n", This, debugstr_guid(session_guid),
2808             flags, out);
2809
2810     hr = get_audio_session(session_guid, This->device, 0, &session);
2811     if (FAILED(hr))
2812         return hr;
2813
2814     wrapper = AudioSessionWrapper_Create(NULL);
2815     if (!wrapper)
2816         return E_OUTOFMEMORY;
2817
2818     wrapper->session = session;
2819
2820     *out = (IAudioSessionControl*)&wrapper->IAudioSessionControl2_iface;
2821
2822     return S_OK;
2823 }
2824
2825 static HRESULT WINAPI AudioSessionManager_GetSimpleAudioVolume(
2826         IAudioSessionManager2 *iface, const GUID *session_guid, DWORD flags,
2827         ISimpleAudioVolume **out)
2828 {
2829     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
2830     AudioSession *session;
2831     AudioSessionWrapper *wrapper;
2832     HRESULT hr;
2833
2834     TRACE("(%p)->(%s, %x, %p)\n", This, debugstr_guid(session_guid),
2835             flags, out);
2836
2837     hr = get_audio_session(session_guid, This->device, 0, &session);
2838     if (FAILED(hr))
2839         return hr;
2840
2841     wrapper = AudioSessionWrapper_Create(NULL);
2842     if (!wrapper)
2843         return E_OUTOFMEMORY;
2844
2845     wrapper->session = session;
2846
2847     *out = &wrapper->ISimpleAudioVolume_iface;
2848
2849     return S_OK;
2850 }
2851
2852 static HRESULT WINAPI AudioSessionManager_GetSessionEnumerator(
2853         IAudioSessionManager2 *iface, IAudioSessionEnumerator **out)
2854 {
2855     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
2856     FIXME("(%p)->(%p) - stub\n", This, out);
2857     return E_NOTIMPL;
2858 }
2859
2860 static HRESULT WINAPI AudioSessionManager_RegisterSessionNotification(
2861         IAudioSessionManager2 *iface, IAudioSessionNotification *notification)
2862 {
2863     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
2864     FIXME("(%p)->(%p) - stub\n", This, notification);
2865     return E_NOTIMPL;
2866 }
2867
2868 static HRESULT WINAPI AudioSessionManager_UnregisterSessionNotification(
2869         IAudioSessionManager2 *iface, IAudioSessionNotification *notification)
2870 {
2871     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
2872     FIXME("(%p)->(%p) - stub\n", This, notification);
2873     return E_NOTIMPL;
2874 }
2875
2876 static HRESULT WINAPI AudioSessionManager_RegisterDuckNotification(
2877         IAudioSessionManager2 *iface, const WCHAR *session_id,
2878         IAudioVolumeDuckNotification *notification)
2879 {
2880     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
2881     FIXME("(%p)->(%p) - stub\n", This, notification);
2882     return E_NOTIMPL;
2883 }
2884
2885 static HRESULT WINAPI AudioSessionManager_UnregisterDuckNotification(
2886         IAudioSessionManager2 *iface,
2887         IAudioVolumeDuckNotification *notification)
2888 {
2889     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
2890     FIXME("(%p)->(%p) - stub\n", This, notification);
2891     return E_NOTIMPL;
2892 }
2893
2894 static const IAudioSessionManager2Vtbl AudioSessionManager2_Vtbl =
2895 {
2896     AudioSessionManager_QueryInterface,
2897     AudioSessionManager_AddRef,
2898     AudioSessionManager_Release,
2899     AudioSessionManager_GetAudioSessionControl,
2900     AudioSessionManager_GetSimpleAudioVolume,
2901     AudioSessionManager_GetSessionEnumerator,
2902     AudioSessionManager_RegisterSessionNotification,
2903     AudioSessionManager_UnregisterSessionNotification,
2904     AudioSessionManager_RegisterDuckNotification,
2905     AudioSessionManager_UnregisterDuckNotification
2906 };
2907
2908 static HRESULT WINAPI SimpleAudioVolume_QueryInterface(
2909         ISimpleAudioVolume *iface, REFIID riid, void **ppv)
2910 {
2911     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2912
2913     if (!ppv)
2914         return E_POINTER;
2915     *ppv = NULL;
2916
2917     if (IsEqualIID(riid, &IID_IUnknown) ||
2918         IsEqualIID(riid, &IID_ISimpleAudioVolume))
2919         *ppv = iface;
2920     if (*ppv) {
2921         IUnknown_AddRef((IUnknown*)*ppv);
2922         return S_OK;
2923     }
2924
2925     WARN("Unknown interface %s\n", debugstr_guid(riid));
2926     return E_NOINTERFACE;
2927 }
2928
2929 static ULONG WINAPI SimpleAudioVolume_AddRef(ISimpleAudioVolume *iface)
2930 {
2931     AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2932     return AudioSessionControl_AddRef(&This->IAudioSessionControl2_iface);
2933 }
2934
2935 static ULONG WINAPI SimpleAudioVolume_Release(ISimpleAudioVolume *iface)
2936 {
2937     AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2938     return AudioSessionControl_Release(&This->IAudioSessionControl2_iface);
2939 }
2940
2941 static HRESULT WINAPI SimpleAudioVolume_SetMasterVolume(
2942         ISimpleAudioVolume *iface, float level, const GUID *context)
2943 {
2944     AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2945     AudioSession *session = This->session;
2946
2947     TRACE("(%p)->(%f, %s)\n", session, level, wine_dbgstr_guid(context));
2948
2949     if (level < 0.f || level > 1.f)
2950         return E_INVALIDARG;
2951
2952     if (context)
2953         FIXME("Notifications not supported yet\n");
2954
2955     TRACE("Pulseaudio does not support session volume control\n");
2956
2957     pthread_mutex_lock(&pulse_lock);
2958     session->master_vol = level;
2959     pthread_mutex_unlock(&pulse_lock);
2960
2961     return S_OK;
2962 }
2963
2964 static HRESULT WINAPI SimpleAudioVolume_GetMasterVolume(
2965         ISimpleAudioVolume *iface, float *level)
2966 {
2967     AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2968     AudioSession *session = This->session;
2969
2970     TRACE("(%p)->(%p)\n", session, level);
2971
2972     if (!level)
2973         return NULL_PTR_ERR;
2974
2975     *level = session->master_vol;
2976
2977     return S_OK;
2978 }
2979
2980 static HRESULT WINAPI SimpleAudioVolume_SetMute(ISimpleAudioVolume *iface,
2981         BOOL mute, const GUID *context)
2982 {
2983     AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2984     AudioSession *session = This->session;
2985
2986     TRACE("(%p)->(%u, %p)\n", session, mute, context);
2987
2988     if (context)
2989         FIXME("Notifications not supported yet\n");
2990
2991     session->mute = mute;
2992
2993     return S_OK;
2994 }
2995
2996 static HRESULT WINAPI SimpleAudioVolume_GetMute(ISimpleAudioVolume *iface,
2997         BOOL *mute)
2998 {
2999     AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
3000     AudioSession *session = This->session;
3001
3002     TRACE("(%p)->(%p)\n", session, mute);
3003
3004     if (!mute)
3005         return NULL_PTR_ERR;
3006
3007     *mute = session->mute;
3008
3009     return S_OK;
3010 }
3011
3012 static const ISimpleAudioVolumeVtbl SimpleAudioVolume_Vtbl  =
3013 {
3014     SimpleAudioVolume_QueryInterface,
3015     SimpleAudioVolume_AddRef,
3016     SimpleAudioVolume_Release,
3017     SimpleAudioVolume_SetMasterVolume,
3018     SimpleAudioVolume_GetMasterVolume,
3019     SimpleAudioVolume_SetMute,
3020     SimpleAudioVolume_GetMute
3021 };
3022
3023 static HRESULT WINAPI ChannelAudioVolume_QueryInterface(
3024         IChannelAudioVolume *iface, REFIID riid, void **ppv)
3025 {
3026     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
3027
3028     if (!ppv)
3029         return E_POINTER;
3030     *ppv = NULL;
3031
3032     if (IsEqualIID(riid, &IID_IUnknown) ||
3033         IsEqualIID(riid, &IID_IChannelAudioVolume))
3034         *ppv = iface;
3035     if (*ppv) {
3036         IUnknown_AddRef((IUnknown*)*ppv);
3037         return S_OK;
3038     }
3039
3040     WARN("Unknown interface %s\n", debugstr_guid(riid));
3041     return E_NOINTERFACE;
3042 }
3043
3044 static ULONG WINAPI ChannelAudioVolume_AddRef(IChannelAudioVolume *iface)
3045 {
3046     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
3047     return AudioSessionControl_AddRef(&This->IAudioSessionControl2_iface);
3048 }
3049
3050 static ULONG WINAPI ChannelAudioVolume_Release(IChannelAudioVolume *iface)
3051 {
3052     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
3053     return AudioSessionControl_Release(&This->IAudioSessionControl2_iface);
3054 }
3055
3056 static HRESULT WINAPI ChannelAudioVolume_GetChannelCount(
3057         IChannelAudioVolume *iface, UINT32 *out)
3058 {
3059     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
3060     AudioSession *session = This->session;
3061
3062     TRACE("(%p)->(%p)\n", session, out);
3063
3064     if (!out)
3065         return NULL_PTR_ERR;
3066
3067     *out = session->channel_count;
3068
3069     return S_OK;
3070 }
3071
3072 static HRESULT WINAPI ChannelAudioVolume_SetChannelVolume(
3073         IChannelAudioVolume *iface, UINT32 index, float level,
3074         const GUID *context)
3075 {
3076     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
3077     AudioSession *session = This->session;
3078
3079     TRACE("(%p)->(%d, %f, %s)\n", session, index, level,
3080             wine_dbgstr_guid(context));
3081
3082     if (level < 0.f || level > 1.f)
3083         return E_INVALIDARG;
3084
3085     if (index >= session->channel_count)
3086         return E_INVALIDARG;
3087
3088     if (context)
3089         FIXME("Notifications not supported yet\n");
3090
3091     TRACE("Pulseaudio does not support session volume control\n");
3092
3093     pthread_mutex_lock(&pulse_lock);
3094     session->channel_vols[index] = level;
3095     pthread_mutex_unlock(&pulse_lock);
3096
3097     return S_OK;
3098 }
3099
3100 static HRESULT WINAPI ChannelAudioVolume_GetChannelVolume(
3101         IChannelAudioVolume *iface, UINT32 index, float *level)
3102 {
3103     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
3104     AudioSession *session = This->session;
3105
3106     TRACE("(%p)->(%d, %p)\n", session, index, level);
3107
3108     if (!level)
3109         return NULL_PTR_ERR;
3110
3111     if (index >= session->channel_count)
3112         return E_INVALIDARG;
3113
3114     *level = session->channel_vols[index];
3115
3116     return S_OK;
3117 }
3118
3119 static HRESULT WINAPI ChannelAudioVolume_SetAllVolumes(
3120         IChannelAudioVolume *iface, UINT32 count, const float *levels,
3121         const GUID *context)
3122 {
3123     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
3124     AudioSession *session = This->session;
3125     int i;
3126
3127     TRACE("(%p)->(%d, %p, %s)\n", session, count, levels,
3128             wine_dbgstr_guid(context));
3129
3130     if (!levels)
3131         return NULL_PTR_ERR;
3132
3133     if (count != session->channel_count)
3134         return E_INVALIDARG;
3135
3136     if (context)
3137         FIXME("Notifications not supported yet\n");
3138
3139     TRACE("Pulseaudio does not support session volume control\n");
3140
3141     pthread_mutex_lock(&pulse_lock);
3142     for(i = 0; i < count; ++i)
3143         session->channel_vols[i] = levels[i];
3144     pthread_mutex_unlock(&pulse_lock);
3145     return S_OK;
3146 }
3147
3148 static HRESULT WINAPI ChannelAudioVolume_GetAllVolumes(
3149         IChannelAudioVolume *iface, UINT32 count, float *levels)
3150 {
3151     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
3152     AudioSession *session = This->session;
3153     int i;
3154
3155     TRACE("(%p)->(%d, %p)\n", session, count, levels);
3156
3157     if (!levels)
3158         return NULL_PTR_ERR;
3159
3160     if (count != session->channel_count)
3161         return E_INVALIDARG;
3162
3163     for(i = 0; i < count; ++i)
3164         levels[i] = session->channel_vols[i];
3165
3166     return S_OK;
3167 }
3168
3169 static const IChannelAudioVolumeVtbl ChannelAudioVolume_Vtbl =
3170 {
3171     ChannelAudioVolume_QueryInterface,
3172     ChannelAudioVolume_AddRef,
3173     ChannelAudioVolume_Release,
3174     ChannelAudioVolume_GetChannelCount,
3175     ChannelAudioVolume_SetChannelVolume,
3176     ChannelAudioVolume_GetChannelVolume,
3177     ChannelAudioVolume_SetAllVolumes,
3178     ChannelAudioVolume_GetAllVolumes
3179 };
3180
3181 HRESULT WINAPI AUDDRV_GetAudioSessionManager(IMMDevice *device,
3182         IAudioSessionManager2 **out)
3183 {
3184     SessionMgr *This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(SessionMgr));
3185     *out = NULL;
3186     if (!This)
3187         return E_OUTOFMEMORY;
3188     This->IAudioSessionManager2_iface.lpVtbl = &AudioSessionManager2_Vtbl;
3189     This->device = device;
3190     This->ref = 1;
3191     *out = &This->IAudioSessionManager2_iface;
3192     return S_OK;
3193 }