dlls/winepulse.drv/mmdevdrv.c

   1 /*
   2  * Copyright 2011-2012 Maarten Lankhorst
   3  * Copyright 2010-2011 Maarten Lankhorst for CodeWeavers
   4  * Copyright 2011 Andrew Eikum for CodeWeavers
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  *
  20  * Pulseaudio driver support.. hell froze over
  21  */
  22
  23 #define NONAMELESSUNION
  24 #define COBJMACROS
  25 #include "config.h"
  26 #include <poll.h>
  27 #include <pthread.h>
  28
  29 #include <stdarg.h>
  30 #include <unistd.h>
  31 #include <math.h>
  32 #include <stdio.h>
  33
  34 #include <pulse/pulseaudio.h>
  35
  36 #include "windef.h"
  37 #include "winbase.h"
  38 #include "winnls.h"
  39 #include "winreg.h"
  40 #include "wine/debug.h"
  41 #include "wine/unicode.h"
  42 #include "wine/list.h"
  43
  44 #include "ole2.h"
  45 #include "dshow.h"
  46 #include "dsound.h"
  47 #include "propsys.h"
  48
  49 #include "initguid.h"
  50 #include "ks.h"
  51 #include "ksmedia.h"
  52 #include "mmdeviceapi.h"
  53 #include "audioclient.h"
  54 #include "endpointvolume.h"
  55 #include "audiopolicy.h"
  56
  57 #include "wine/list.h"
  58
  59 #define NULL_PTR_ERR MAKE_HRESULT(SEVERITY_ERROR, FACILITY_WIN32, RPC_X_NULL_REF_POINTER)
  60
  61 WINE_DEFAULT_DEBUG_CHANNEL(pulse);
  62 WINE_DECLARE_DEBUG_CHANNEL(winediag);
  63
  64 static const REFERENCE_TIME MinimumPeriod = 30000;
  65 static const REFERENCE_TIME DefaultPeriod = 100000;
  66
  67 static pa_context *pulse_ctx;
  68 static pa_mainloop *pulse_ml;
  69
  70 static HANDLE pulse_thread;
  71 static pthread_mutex_t pulse_lock = PTHREAD_MUTEX_INITIALIZER;
  72 static pthread_cond_t pulse_cond = PTHREAD_COND_INITIALIZER;
  73 static struct list g_sessions = LIST_INIT(g_sessions);
  74
  75 /* Mixer format + period times */
  76 static WAVEFORMATEXTENSIBLE pulse_fmt[2];
  77 static REFERENCE_TIME pulse_min_period[2], pulse_def_period[2];
  78
  79 static DWORD pulse_stream_volume;
  80
  81 const WCHAR pulse_keyW[] = {'S','o','f','t','w','a','r','e','\\',
  82     'W','i','n','e','\\','P','u','l','s','e',0};
  83 const WCHAR pulse_streamW[] = { 'S','t','r','e','a','m','V','o','l',0 };
  84
  85 static HANDLE warn_once;
  86
  87 BOOL WINAPI DllMain(HINSTANCE dll, DWORD reason, void *reserved)
  88 {
  89     if (reason == DLL_PROCESS_ATTACH) {
  90         HKEY key;
  91         if (RegOpenKeyW(HKEY_CURRENT_USER, pulse_keyW, &key) == ERROR_SUCCESS) {
  92             DWORD size = sizeof(pulse_stream_volume);
  93             RegQueryValueExW(key, pulse_streamW, 0, NULL,
  94                              (BYTE*)&pulse_stream_volume, &size);
  95             RegCloseKey(key);
  96         }
  97         DisableThreadLibraryCalls(dll);
  98     } else if (reason == DLL_PROCESS_DETACH) {
  99         if (pulse_ctx) {
 100            pa_context_disconnect(pulse_ctx);
 101            pa_context_unref(pulse_ctx);
 102         }
 103         if (pulse_ml)
 104             pa_mainloop_quit(pulse_ml, 0);
 105         if (pulse_thread)
 106             CloseHandle(pulse_thread);
 107         if (warn_once)
 108             CloseHandle(warn_once);
 109     }
 110     return TRUE;
 111 }
 112
 113 typedef struct ACImpl ACImpl;
 114
 115 typedef struct _AudioSession {
 116     GUID guid;
 117     struct list clients;
 118
 119     IMMDevice *device;
 120
 121     float master_vol;
 122     UINT32 channel_count;
 123     float *channel_vols;
 124     BOOL mute;
 125
 126     struct list entry;
 127 } AudioSession;
 128
 129 typedef struct _AudioSessionWrapper {
 130     IAudioSessionControl2 IAudioSessionControl2_iface;
 131     IChannelAudioVolume IChannelAudioVolume_iface;
 132     ISimpleAudioVolume ISimpleAudioVolume_iface;
 133
 134     LONG ref;
 135
 136     ACImpl *client;
 137     AudioSession *session;
 138 } AudioSessionWrapper;
 139
 140 typedef struct _ACPacket {
 141     struct list entry;
 142     UINT64 qpcpos;
 143     BYTE *data;
 144     UINT32 discont;
 145 } ACPacket;
 146
 147 struct ACImpl {
 148     IAudioClient IAudioClient_iface;
 149     IAudioRenderClient IAudioRenderClient_iface;
 150     IAudioCaptureClient IAudioCaptureClient_iface;
 151     IAudioClock IAudioClock_iface;
 152     IAudioClock2 IAudioClock2_iface;
 153     IAudioStreamVolume IAudioStreamVolume_iface;
 154     IMMDevice *parent;
 155     struct list entry;
 156     float vol[PA_CHANNELS_MAX];
 157
 158     LONG ref;
 159     EDataFlow dataflow;
 160     DWORD flags;
 161     AUDCLNT_SHAREMODE share;
 162     HANDLE event;
 163
 164     UINT32 bufsize_frames, bufsize_bytes, locked, capture_period, pad, started, peek_ofs;
 165     void *locked_ptr, *tmp_buffer;
 166
 167     pa_stream *stream;
 168     pa_sample_spec ss;
 169     pa_channel_map map;
 170
 171     INT64 clock_lastpos, clock_written;
 172
 173     AudioSession *session;
 174     AudioSessionWrapper *session_wrapper;
 175     struct list packet_free_head;
 176     struct list packet_filled_head;
 177 };
 178
 179 static const WCHAR defaultW[] = {'P','u','l','s','e','a','u','d','i','o',0};
 180
 181 static const IAudioClientVtbl AudioClient_Vtbl;
 182 static const IAudioRenderClientVtbl AudioRenderClient_Vtbl;
 183 static const IAudioCaptureClientVtbl AudioCaptureClient_Vtbl;
 184 static const IAudioSessionControl2Vtbl AudioSessionControl2_Vtbl;
 185 static const ISimpleAudioVolumeVtbl SimpleAudioVolume_Vtbl;
 186 static const IChannelAudioVolumeVtbl ChannelAudioVolume_Vtbl;
 187 static const IAudioClockVtbl AudioClock_Vtbl;
 188 static const IAudioClock2Vtbl AudioClock2_Vtbl;
 189 static const IAudioStreamVolumeVtbl AudioStreamVolume_Vtbl;
 190
 191 static AudioSessionWrapper *AudioSessionWrapper_Create(ACImpl *client);
 192
 193 static inline ACImpl *impl_from_IAudioClient(IAudioClient *iface)
 194 {
 195     return CONTAINING_RECORD(iface, ACImpl, IAudioClient_iface);
 196 }
 197
 198 static inline ACImpl *impl_from_IAudioRenderClient(IAudioRenderClient *iface)
 199 {
 200     return CONTAINING_RECORD(iface, ACImpl, IAudioRenderClient_iface);
 201 }
 202
 203 static inline ACImpl *impl_from_IAudioCaptureClient(IAudioCaptureClient *iface)
 204 {
 205     return CONTAINING_RECORD(iface, ACImpl, IAudioCaptureClient_iface);
 206 }
 207
 208 static inline AudioSessionWrapper *impl_from_IAudioSessionControl2(IAudioSessionControl2 *iface)
 209 {
 210     return CONTAINING_RECORD(iface, AudioSessionWrapper, IAudioSessionControl2_iface);
 211 }
 212
 213 static inline AudioSessionWrapper *impl_from_ISimpleAudioVolume(ISimpleAudioVolume *iface)
 214 {
 215     return CONTAINING_RECORD(iface, AudioSessionWrapper, ISimpleAudioVolume_iface);
 216 }
 217
 218 static inline AudioSessionWrapper *impl_from_IChannelAudioVolume(IChannelAudioVolume *iface)
 219 {
 220     return CONTAINING_RECORD(iface, AudioSessionWrapper, IChannelAudioVolume_iface);
 221 }
 222
 223 static inline ACImpl *impl_from_IAudioClock(IAudioClock *iface)
 224 {
 225     return CONTAINING_RECORD(iface, ACImpl, IAudioClock_iface);
 226 }
 227
 228 static inline ACImpl *impl_from_IAudioClock2(IAudioClock2 *iface)
 229 {
 230     return CONTAINING_RECORD(iface, ACImpl, IAudioClock2_iface);
 231 }
 232
 233 static inline ACImpl *impl_from_IAudioStreamVolume(IAudioStreamVolume *iface)
 234 {
 235     return CONTAINING_RECORD(iface, ACImpl, IAudioStreamVolume_iface);
 236 }
 237
 238 /* Following pulseaudio design here, mainloop has the lock taken whenever
 239  * it is handling something for pulse, and the lock is required whenever
 240  * doing any pa_* call that can affect the state in any way
 241  *
 242  * pa_cond_wait is used when waiting on results, because the mainloop needs
 243  * the same lock taken to affect the state
 244  *
 245  * This is basically the same as the pa_threaded_mainloop implementation,
 246  * but that cannot be used because it uses pthread_create directly
 247  *
 248  * pa_threaded_mainloop_(un)lock -> pthread_mutex_(un)lock
 249  * pa_threaded_mainloop_signal -> pthread_cond_signal
 250  * pa_threaded_mainloop_wait -> pthread_cond_wait
 251  */
 252
 253 static int pulse_poll_func(struct pollfd *ufds, unsigned long nfds, int timeout, void *userdata) {
 254     int r;
 255     pthread_mutex_unlock(&pulse_lock);
 256     r = poll(ufds, nfds, timeout);
 257     pthread_mutex_lock(&pulse_lock);
 258     return r;
 259 }
 260
 261 static DWORD CALLBACK pulse_mainloop_thread(void *tmp) {
 262     int ret;
 263     pulse_ml = pa_mainloop_new();
 264     pa_mainloop_set_poll_func(pulse_ml, pulse_poll_func, NULL);
 265     pthread_mutex_lock(&pulse_lock);
 266     pthread_cond_signal(&pulse_cond);
 267     pa_mainloop_run(pulse_ml, &ret);
 268     pthread_mutex_unlock(&pulse_lock);
 269     pa_mainloop_free(pulse_ml);
 270     CloseHandle(pulse_thread);
 271     return ret;
 272 }
 273
 274 static void pulse_contextcallback(pa_context *c, void *userdata);
 275 static void pulse_stream_state(pa_stream *s, void *user);
 276
 277 static const enum pa_channel_position pulse_pos_from_wfx[] = {
 278     PA_CHANNEL_POSITION_FRONT_LEFT,
 279     PA_CHANNEL_POSITION_FRONT_RIGHT,
 280     PA_CHANNEL_POSITION_FRONT_CENTER,
 281     PA_CHANNEL_POSITION_LFE,
 282     PA_CHANNEL_POSITION_REAR_LEFT,
 283     PA_CHANNEL_POSITION_REAR_RIGHT,
 284     PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER,
 285     PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER,
 286     PA_CHANNEL_POSITION_REAR_CENTER,
 287     PA_CHANNEL_POSITION_SIDE_LEFT,
 288     PA_CHANNEL_POSITION_SIDE_RIGHT,
 289     PA_CHANNEL_POSITION_TOP_CENTER,
 290     PA_CHANNEL_POSITION_TOP_FRONT_LEFT,
 291     PA_CHANNEL_POSITION_TOP_FRONT_CENTER,
 292     PA_CHANNEL_POSITION_TOP_FRONT_RIGHT,
 293     PA_CHANNEL_POSITION_TOP_REAR_LEFT,
 294     PA_CHANNEL_POSITION_TOP_REAR_CENTER,
 295     PA_CHANNEL_POSITION_TOP_REAR_RIGHT
 296 };
 297
 298 static void pulse_probe_settings(int render, WAVEFORMATEXTENSIBLE *fmt) {
 299     WAVEFORMATEX *wfx = &fmt->Format;
 300     pa_stream *stream;
 301     pa_channel_map map;
 302     pa_sample_spec ss;
 303     pa_buffer_attr attr;
 304     int ret, i;
 305     unsigned int length = 0;
 306
 307     pa_channel_map_init_auto(&map, 2, PA_CHANNEL_MAP_ALSA);
 308     ss.rate = 48000;
 309     ss.format = PA_SAMPLE_FLOAT32LE;
 310     ss.channels = map.channels;
 311
 312     attr.maxlength = -1;
 313     attr.tlength = -1;
 314     attr.minreq = attr.fragsize = pa_frame_size(&ss);
 315     attr.prebuf = 0;
 316
 317     stream = pa_stream_new(pulse_ctx, "format test stream", &ss, &map);
 318     if (stream)
 319         pa_stream_set_state_callback(stream, pulse_stream_state, NULL);
 320     if (!stream)
 321         ret = -1;
 322     else if (render)
 323         ret = pa_stream_connect_playback(stream, NULL, &attr,
 324         PA_STREAM_START_CORKED|PA_STREAM_FIX_RATE|PA_STREAM_FIX_CHANNELS|PA_STREAM_EARLY_REQUESTS, NULL, NULL);
 325     else
 326         ret = pa_stream_connect_record(stream, NULL, &attr, PA_STREAM_START_CORKED|PA_STREAM_FIX_RATE|PA_STREAM_FIX_CHANNELS|PA_STREAM_EARLY_REQUESTS);
 327     if (ret >= 0) {
 328         while (pa_stream_get_state(stream) == PA_STREAM_CREATING)
 329             pthread_cond_wait(&pulse_cond, &pulse_lock);
 330         if (pa_stream_get_state(stream) == PA_STREAM_READY) {
 331             ss = *pa_stream_get_sample_spec(stream);
 332             map = *pa_stream_get_channel_map(stream);
 333             if (render)
 334                 length = pa_stream_get_buffer_attr(stream)->minreq;
 335             else
 336                 length = pa_stream_get_buffer_attr(stream)->fragsize;
 337             pa_stream_disconnect(stream);
 338             while (pa_stream_get_state(stream) == PA_STREAM_READY)
 339                 pthread_cond_wait(&pulse_cond, &pulse_lock);
 340         }
 341     }
 342     if (stream)
 343         pa_stream_unref(stream);
 344     if (length)
 345         pulse_def_period[!render] = pulse_min_period[!render] = pa_bytes_to_usec(10 * length, &ss);
 346     else
 347         pulse_min_period[!render] = MinimumPeriod;
 348     if (pulse_def_period[!render] <= DefaultPeriod)
 349         pulse_def_period[!render] = DefaultPeriod;
 350
 351     wfx->wFormatTag = WAVE_FORMAT_EXTENSIBLE;
 352     wfx->cbSize = sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX);
 353     wfx->nChannels = ss.channels;
 354     wfx->wBitsPerSample = 8 * pa_sample_size_of_format(ss.format);
 355     wfx->nSamplesPerSec = ss.rate;
 356     wfx->nBlockAlign = pa_frame_size(&ss);
 357     wfx->nAvgBytesPerSec = wfx->nSamplesPerSec * wfx->nBlockAlign;
 358     if (ss.format != PA_SAMPLE_S24_32LE)
 359         fmt->Samples.wValidBitsPerSample = wfx->wBitsPerSample;
 360     else
 361         fmt->Samples.wValidBitsPerSample = 24;
 362     if (ss.format == PA_SAMPLE_FLOAT32LE)
 363         fmt->SubFormat = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
 364     else
 365         fmt->SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
 366
 367     fmt->dwChannelMask = 0;
 368     for (i = 0; i < map.channels; ++i)
 369         switch (map.map[i]) {
 370             default: FIXME("Unhandled channel %s\n", pa_channel_position_to_string(map.map[i])); break;
 371             case PA_CHANNEL_POSITION_FRONT_LEFT: fmt->dwChannelMask |= SPEAKER_FRONT_LEFT; break;
 372             case PA_CHANNEL_POSITION_MONO:
 373             case PA_CHANNEL_POSITION_FRONT_CENTER: fmt->dwChannelMask |= SPEAKER_FRONT_CENTER; break;
 374             case PA_CHANNEL_POSITION_FRONT_RIGHT: fmt->dwChannelMask |= SPEAKER_FRONT_RIGHT; break;
 375             case PA_CHANNEL_POSITION_REAR_LEFT: fmt->dwChannelMask |= SPEAKER_BACK_LEFT; break;
 376             case PA_CHANNEL_POSITION_REAR_CENTER: fmt->dwChannelMask |= SPEAKER_BACK_CENTER; break;
 377             case PA_CHANNEL_POSITION_REAR_RIGHT: fmt->dwChannelMask |= SPEAKER_BACK_RIGHT; break;
 378             case PA_CHANNEL_POSITION_LFE: fmt->dwChannelMask |= SPEAKER_LOW_FREQUENCY; break;
 379             case PA_CHANNEL_POSITION_SIDE_LEFT: fmt->dwChannelMask |= SPEAKER_SIDE_LEFT; break;
 380             case PA_CHANNEL_POSITION_SIDE_RIGHT: fmt->dwChannelMask |= SPEAKER_SIDE_RIGHT; break;
 381             case PA_CHANNEL_POSITION_TOP_CENTER: fmt->dwChannelMask |= SPEAKER_TOP_CENTER; break;
 382             case PA_CHANNEL_POSITION_TOP_FRONT_LEFT: fmt->dwChannelMask |= SPEAKER_TOP_FRONT_LEFT; break;
 383             case PA_CHANNEL_POSITION_TOP_FRONT_CENTER: fmt->dwChannelMask |= SPEAKER_TOP_FRONT_CENTER; break;
 384             case PA_CHANNEL_POSITION_TOP_FRONT_RIGHT: fmt->dwChannelMask |= SPEAKER_TOP_FRONT_RIGHT; break;
 385             case PA_CHANNEL_POSITION_TOP_REAR_LEFT: fmt->dwChannelMask |= SPEAKER_TOP_BACK_LEFT; break;
 386             case PA_CHANNEL_POSITION_TOP_REAR_CENTER: fmt->dwChannelMask |= SPEAKER_TOP_BACK_CENTER; break;
 387             case PA_CHANNEL_POSITION_TOP_REAR_RIGHT: fmt->dwChannelMask |= SPEAKER_TOP_BACK_RIGHT; break;
 388         }
 389 }
 390
 391 static HRESULT pulse_connect(void)
 392 {
 393     int len;
 394     WCHAR path[PATH_MAX], *name;
 395     char *str;
 396
 397     if (!pulse_thread)
 398     {
 399         if (!(pulse_thread = CreateThread(NULL, 0, pulse_mainloop_thread, NULL, 0, NULL)))
 400         {
 401             ERR("Failed to create mainloop thread.");
 402             return E_FAIL;
 403         }
 404         SetThreadPriority(pulse_thread, THREAD_PRIORITY_TIME_CRITICAL);
 405         pthread_cond_wait(&pulse_cond, &pulse_lock);
 406     }
 407
 408     if (pulse_ctx && PA_CONTEXT_IS_GOOD(pa_context_get_state(pulse_ctx)))
 409         return S_OK;
 410     if (pulse_ctx)
 411         pa_context_unref(pulse_ctx);
 412
 413     GetModuleFileNameW(NULL, path, sizeof(path)/sizeof(*path));
 414     name = strrchrW(path, '\\');
 415     if (!name)
 416         name = path;
 417     else
 418         name++;
 419     len = WideCharToMultiByte(CP_UNIXCP, 0, name, -1, NULL, 0, NULL, NULL);
 420     str = pa_xmalloc(len);
 421     WideCharToMultiByte(CP_UNIXCP, 0, name, -1, str, len, NULL, NULL);
 422     TRACE("Name: %s\n", str);
 423     pulse_ctx = pa_context_new(pa_mainloop_get_api(pulse_ml), str);
 424     pa_xfree(str);
 425     if (!pulse_ctx) {
 426         ERR("Failed to create context\n");
 427         return E_FAIL;
 428     }
 429
 430     pa_context_set_state_callback(pulse_ctx, pulse_contextcallback, NULL);
 431
 432     TRACE("libpulse protocol version: %u. API Version %u\n", pa_context_get_protocol_version(pulse_ctx), PA_API_VERSION);
 433     if (pa_context_connect(pulse_ctx, NULL, 0, NULL) < 0)
 434         goto fail;
 435
 436     /* Wait for connection */
 437     while (pthread_cond_wait(&pulse_cond, &pulse_lock)) {
 438         pa_context_state_t state = pa_context_get_state(pulse_ctx);
 439
 440         if (state == PA_CONTEXT_FAILED || state == PA_CONTEXT_TERMINATED)
 441             goto fail;
 442
 443         if (state == PA_CONTEXT_READY)
 444             break;
 445     }
 446
 447     TRACE("Connected to server %s with protocol version: %i.\n",
 448         pa_context_get_server(pulse_ctx),
 449         pa_context_get_server_protocol_version(pulse_ctx));
 450     pulse_probe_settings(1, &pulse_fmt[0]);
 451     pulse_probe_settings(0, &pulse_fmt[1]);
 452     return S_OK;
 453
 454 fail:
 455     pa_context_unref(pulse_ctx);
 456     pulse_ctx = NULL;
 457     return E_FAIL;
 458 }
 459
 460 static void pulse_contextcallback(pa_context *c, void *userdata) {
 461     switch (pa_context_get_state(c)) {
 462         default:
 463             FIXME("Unhandled state: %i\n", pa_context_get_state(c));
 464         case PA_CONTEXT_CONNECTING:
 465         case PA_CONTEXT_UNCONNECTED:
 466         case PA_CONTEXT_AUTHORIZING:
 467         case PA_CONTEXT_SETTING_NAME:
 468         case PA_CONTEXT_TERMINATED:
 469             TRACE("State change to %i\n", pa_context_get_state(c));
 470             return;
 471
 472         case PA_CONTEXT_READY:
 473             TRACE("Ready\n");
 474             break;
 475
 476         case PA_CONTEXT_FAILED:
 477             ERR("Context failed: %s\n", pa_strerror(pa_context_errno(c)));
 478             break;
 479     }
 480     pthread_cond_signal(&pulse_cond);
 481 }
 482
 483 static HRESULT pulse_stream_valid(ACImpl *This) {
 484     if (!This->stream)
 485         return AUDCLNT_E_NOT_INITIALIZED;
 486     if (!This->stream || pa_stream_get_state(This->stream) != PA_STREAM_READY)
 487         return AUDCLNT_E_DEVICE_INVALIDATED;
 488     return S_OK;
 489 }
 490
 491 static void dump_attr(const pa_buffer_attr *attr) {
 492     TRACE("maxlength: %u\n", attr->maxlength);
 493     TRACE("minreq: %u\n", attr->minreq);
 494     TRACE("fragsize: %u\n", attr->fragsize);
 495     TRACE("tlength: %u\n", attr->tlength);
 496     TRACE("prebuf: %u\n", attr->prebuf);
 497 }
 498
 499 static void pulse_op_cb(pa_stream *s, int success, void *user) {
 500     TRACE("Success: %i\n", success);
 501     *(int*)user = success;
 502     pthread_cond_signal(&pulse_cond);
 503 }
 504
 505 static void pulse_ctx_op_cb(pa_context *c, int success, void *user) {
 506     TRACE("Success: %i\n", success);
 507     *(int*)user = success;
 508     pthread_cond_signal(&pulse_cond);
 509 }
 510
 511 static void pulse_attr_update(pa_stream *s, void *user) {
 512     const pa_buffer_attr *attr = pa_stream_get_buffer_attr(s);
 513     TRACE("New attributes or device moved:\n");
 514     dump_attr(attr);
 515 }
 516
 517 static void pulse_wr_callback(pa_stream *s, size_t bytes, void *userdata)
 518 {
 519     ACImpl *This = userdata;
 520     UINT32 oldpad = This->pad;
 521
 522     if (bytes < This->bufsize_bytes)
 523         This->pad = This->bufsize_bytes - bytes;
 524     else
 525         This->pad = 0;
 526
 527     assert(oldpad >= This->pad);
 528
 529     This->clock_written += oldpad - This->pad;
 530     TRACE("New pad: %zu (-%zu)\n", This->pad / pa_frame_size(&This->ss), (oldpad - This->pad) / pa_frame_size(&This->ss));
 531
 532     if (This->event)
 533         SetEvent(This->event);
 534 }
 535
 536 static void pulse_underflow_callback(pa_stream *s, void *userdata)
 537 {
 538     WARN("Underflow\n");
 539 }
 540
 541 /* Latency is periodically updated even when nothing is played,
 542  * because of PA_STREAM_AUTO_TIMING_UPDATE so use it as timer
 543  *
 544  * Perfect for passing all tests :)
 545  */
 546 static void pulse_latency_callback(pa_stream *s, void *userdata)
 547 {
 548     ACImpl *This = userdata;
 549     if (!This->pad && This->event)
 550         SetEvent(This->event);
 551 }
 552
 553 static void pulse_started_callback(pa_stream *s, void *userdata)
 554 {
 555     ACImpl *This = userdata;
 556
 557     TRACE("(Re)started playing\n");
 558     if (This->event)
 559         SetEvent(This->event);
 560 }
 561
 562 static void pulse_rd_loop(ACImpl *This, size_t bytes)
 563 {
 564     while (bytes >= This->capture_period) {
 565         ACPacket *p, *next;
 566         LARGE_INTEGER stamp, freq;
 567         BYTE *dst, *src;
 568         size_t src_len, copy, rem = This->capture_period;
 569         if (!(p = (ACPacket*)list_head(&This->packet_free_head))) {
 570             p = (ACPacket*)list_head(&This->packet_filled_head);
 571             if (!p->discont) {
 572                 next = (ACPacket*)p->entry.next;
 573                 next->discont = 1;
 574             } else
 575                 p = (ACPacket*)list_tail(&This->packet_filled_head);
 576             assert(This->pad == This->bufsize_bytes);
 577         } else {
 578             assert(This->pad < This->bufsize_bytes);
 579             This->pad += This->capture_period;
 580             assert(This->pad <= This->bufsize_bytes);
 581         }
 582         QueryPerformanceCounter(&stamp);
 583         QueryPerformanceFrequency(&freq);
 584         p->qpcpos = (stamp.QuadPart * (INT64)10000000) / freq.QuadPart;
 585         p->discont = 0;
 586         list_remove(&p->entry);
 587         list_add_tail(&This->packet_filled_head, &p->entry);
 588
 589         dst = p->data;
 590         while (rem) {
 591             pa_stream_peek(This->stream, (const void**)&src, &src_len);
 592             assert(src_len);
 593             assert(This->peek_ofs < src_len);
 594             src += This->peek_ofs;
 595             src_len -= This->peek_ofs;
 596             assert(src_len <= bytes);
 597
 598             copy = rem;
 599             if (copy > src_len)
 600                 copy = src_len;
 601             memcpy(dst, src, rem);
 602             src += copy;
 603             src_len -= copy;
 604             dst += copy;
 605             rem -= copy;
 606
 607             if (!src_len) {
 608                 This->peek_ofs = 0;
 609                 pa_stream_drop(This->stream);
 610             } else
 611                 This->peek_ofs += copy;
 612         }
 613         bytes -= This->capture_period;
 614     }
 615 }
 616
 617 static void pulse_rd_drop(ACImpl *This, size_t bytes)
 618 {
 619     while (bytes >= This->capture_period) {
 620         size_t src_len, copy, rem = This->capture_period;
 621         while (rem) {
 622             const void *src;
 623             pa_stream_peek(This->stream, &src, &src_len);
 624             assert(src_len);
 625             assert(This->peek_ofs < src_len);
 626             src_len -= This->peek_ofs;
 627             assert(src_len <= bytes);
 628
 629             copy = rem;
 630             if (copy > src_len)
 631                 copy = src_len;
 632
 633             src_len -= copy;
 634             rem -= copy;
 635
 636             if (!src_len) {
 637                 This->peek_ofs = 0;
 638                 pa_stream_drop(This->stream);
 639             } else
 640                 This->peek_ofs += copy;
 641             bytes -= copy;
 642         }
 643     }
 644 }
 645
 646 static void pulse_rd_callback(pa_stream *s, size_t bytes, void *userdata)
 647 {
 648     ACImpl *This = userdata;
 649
 650     TRACE("Readable total: %zu, fragsize: %u\n", bytes, pa_stream_get_buffer_attr(s)->fragsize);
 651     assert(bytes >= This->peek_ofs);
 652     bytes -= This->peek_ofs;
 653     if (bytes < This->capture_period)
 654         return;
 655
 656     if (This->started)
 657         pulse_rd_loop(This, bytes);
 658     else
 659         pulse_rd_drop(This, bytes);
 660
 661     if (This->event)
 662         SetEvent(This->event);
 663 }
 664
 665 static void pulse_stream_state(pa_stream *s, void *user)
 666 {
 667     pa_stream_state_t state = pa_stream_get_state(s);
 668     TRACE("Stream state changed to %i\n", state);
 669     pthread_cond_signal(&pulse_cond);
 670 }
 671
 672 static HRESULT pulse_stream_connect(ACImpl *This, UINT32 period_bytes) {
 673     int ret;
 674     char buffer[64];
 675     static LONG number;
 676     pa_buffer_attr attr;
 677     if (This->stream) {
 678         pa_stream_disconnect(This->stream);
 679         while (pa_stream_get_state(This->stream) == PA_STREAM_READY)
 680             pthread_cond_wait(&pulse_cond, &pulse_lock);
 681         pa_stream_unref(This->stream);
 682     }
 683     ret = InterlockedIncrement(&number);
 684     sprintf(buffer, "audio stream #%i", ret);
 685     This->stream = pa_stream_new(pulse_ctx, buffer, &This->ss, &This->map);
 686     pa_stream_set_state_callback(This->stream, pulse_stream_state, This);
 687     pa_stream_set_buffer_attr_callback(This->stream, pulse_attr_update, This);
 688     pa_stream_set_moved_callback(This->stream, pulse_attr_update, This);
 689
 690     /* Pulseaudio will fill in correct values */
 691     attr.minreq = attr.fragsize = period_bytes;
 692     attr.maxlength = attr.tlength = This->bufsize_bytes;
 693     attr.prebuf = pa_frame_size(&This->ss);
 694     dump_attr(&attr);
 695     if (This->dataflow == eRender)
 696         ret = pa_stream_connect_playback(This->stream, NULL, &attr,
 697         PA_STREAM_START_CORKED|PA_STREAM_START_UNMUTED|PA_STREAM_AUTO_TIMING_UPDATE|PA_STREAM_INTERPOLATE_TIMING|PA_STREAM_EARLY_REQUESTS, NULL, NULL);
 698     else
 699         ret = pa_stream_connect_record(This->stream, NULL, &attr,
 700         PA_STREAM_START_CORKED|PA_STREAM_START_UNMUTED|PA_STREAM_AUTO_TIMING_UPDATE|PA_STREAM_INTERPOLATE_TIMING|PA_STREAM_EARLY_REQUESTS);
 701     if (ret < 0) {
 702         WARN("Returns %i\n", ret);
 703         return AUDCLNT_E_ENDPOINT_CREATE_FAILED;
 704     }
 705     while (pa_stream_get_state(This->stream) == PA_STREAM_CREATING)
 706         pthread_cond_wait(&pulse_cond, &pulse_lock);
 707     if (pa_stream_get_state(This->stream) != PA_STREAM_READY)
 708         return AUDCLNT_E_ENDPOINT_CREATE_FAILED;
 709
 710     if (This->dataflow == eRender) {
 711         pa_stream_set_write_callback(This->stream, pulse_wr_callback, This);
 712         pa_stream_set_underflow_callback(This->stream, pulse_underflow_callback, This);
 713         pa_stream_set_started_callback(This->stream, pulse_started_callback, This);
 714     } else
 715         pa_stream_set_read_callback(This->stream, pulse_rd_callback, This);
 716     return S_OK;
 717 }
 718
 719 HRESULT WINAPI AUDDRV_GetEndpointIDs(EDataFlow flow, WCHAR ***ids, void ***keys,
 720         UINT *num, UINT *def_index)
 721 {
 722     HRESULT hr = S_OK;
 723     TRACE("%d %p %p %p\n", flow, ids, num, def_index);
 724
 725     pthread_mutex_lock(&pulse_lock);
 726     hr = pulse_connect();
 727     pthread_mutex_unlock(&pulse_lock);
 728     if (FAILED(hr))
 729         return hr;
 730     *num = 1;
 731     *def_index = 0;
 732
 733     *ids = HeapAlloc(GetProcessHeap(), 0, sizeof(WCHAR *));
 734     if (!*ids)
 735         return E_OUTOFMEMORY;
 736
 737     (*ids)[0] = HeapAlloc(GetProcessHeap(), 0, sizeof(defaultW));
 738     if (!(*ids)[0]) {
 739         HeapFree(GetProcessHeap(), 0, *ids);
 740         return E_OUTOFMEMORY;
 741     }
 742
 743     lstrcpyW((*ids)[0], defaultW);
 744
 745     *keys = HeapAlloc(GetProcessHeap(), 0, sizeof(void *));
 746     (*keys)[0] = NULL;
 747
 748     return S_OK;
 749 }
 750
 751 int WINAPI AUDDRV_GetPriority(void)
 752 {
 753     HRESULT hr;
 754     if (getenv("WINENOPULSE")) {
 755         FIXME_(winediag)("winepulse has been temporarily disabled through the environment\n");
 756         return 0;
 757     }
 758     pthread_mutex_lock(&pulse_lock);
 759     hr = pulse_connect();
 760     pthread_mutex_unlock(&pulse_lock);
 761     return SUCCEEDED(hr) ? 3 : 0;
 762 }
 763
 764 HRESULT WINAPI AUDDRV_GetAudioEndpoint(void *key, IMMDevice *dev,
 765         EDataFlow dataflow, IAudioClient **out)
 766 {
 767     HRESULT hr;
 768     ACImpl *This;
 769     int i;
 770
 771     /* Give one visible warning per session
 772      * Sadly wine has chosen not to accept the winepulse patch, so support ourselves
 773      */
 774     if (!warn_once && (warn_once = CreateEventA(0, 0, 0, "__winepulse_warn_event")) && GetLastError() != ERROR_ALREADY_EXISTS) {
 775         FIXME_(winediag)("Winepulse is not officially supported by the wine project\n");
 776         FIXME_(winediag)("For sound related feedback and support, please visit http://ubuntuforums.org/showthread.php?t=1960599\n");
 777     } else {
 778         WARN_(winediag)("Winepulse is not officially supported by the wine project\n");
 779         WARN_(winediag)("For sound related feedback and support, please visit http://ubuntuforums.org/showthread.php?t=1960599\n");
 780     }
 781
 782     TRACE("%s %p %p\n", debugstr_guid(guid), dev, out);
 783     if (dataflow != eRender && dataflow != eCapture)
 784         return E_UNEXPECTED;
 785
 786     *out = NULL;
 787     pthread_mutex_lock(&pulse_lock);
 788     hr = pulse_connect();
 789     pthread_mutex_unlock(&pulse_lock);
 790     if (FAILED(hr))
 791         return hr;
 792
 793     This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*This));
 794     if (!This)
 795         return E_OUTOFMEMORY;
 796
 797     This->IAudioClient_iface.lpVtbl = &AudioClient_Vtbl;
 798     This->IAudioRenderClient_iface.lpVtbl = &AudioRenderClient_Vtbl;
 799     This->IAudioCaptureClient_iface.lpVtbl = &AudioCaptureClient_Vtbl;
 800     This->IAudioClock_iface.lpVtbl = &AudioClock_Vtbl;
 801     This->IAudioClock2_iface.lpVtbl = &AudioClock2_Vtbl;
 802     This->IAudioStreamVolume_iface.lpVtbl = &AudioStreamVolume_Vtbl;
 803     This->dataflow = dataflow;
 804     This->parent = dev;
 805     for (i = 0; i < PA_CHANNELS_MAX; ++i)
 806         This->vol[i] = 1.f;
 807     IMMDevice_AddRef(This->parent);
 808
 809     *out = &This->IAudioClient_iface;
 810     IAudioClient_AddRef(&This->IAudioClient_iface);
 811
 812     return S_OK;
 813 }
 814
 815 static HRESULT WINAPI AudioClient_QueryInterface(IAudioClient *iface,
 816         REFIID riid, void **ppv)
 817 {
 818     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
 819
 820     if (!ppv)
 821         return E_POINTER;
 822     *ppv = NULL;
 823     if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IAudioClient))
 824         *ppv = iface;
 825     if (*ppv) {
 826         IUnknown_AddRef((IUnknown*)*ppv);
 827         return S_OK;
 828     }
 829     WARN("Unknown interface %s\n", debugstr_guid(riid));
 830     return E_NOINTERFACE;
 831 }
 832
 833 static ULONG WINAPI AudioClient_AddRef(IAudioClient *iface)
 834 {
 835     ACImpl *This = impl_from_IAudioClient(iface);
 836     ULONG ref;
 837     ref = InterlockedIncrement(&This->ref);
 838     TRACE("(%p) Refcount now %u\n", This, ref);
 839     return ref;
 840 }
 841
 842 static ULONG WINAPI AudioClient_Release(IAudioClient *iface)
 843 {
 844     ACImpl *This = impl_from_IAudioClient(iface);
 845     ULONG ref;
 846     ref = InterlockedDecrement(&This->ref);
 847     TRACE("(%p) Refcount now %u\n", This, ref);
 848     if (!ref) {
 849         if (This->stream) {
 850             pthread_mutex_lock(&pulse_lock);
 851             if (PA_STREAM_IS_GOOD(pa_stream_get_state(This->stream))) {
 852                 pa_stream_disconnect(This->stream);
 853                 while (PA_STREAM_IS_GOOD(pa_stream_get_state(This->stream)))
 854                     pthread_cond_wait(&pulse_cond, &pulse_lock);
 855             }
 856             pa_stream_unref(This->stream);
 857             This->stream = NULL;
 858             list_remove(&This->entry);
 859             pthread_mutex_unlock(&pulse_lock);
 860         }
 861         IMMDevice_Release(This->parent);
 862         HeapFree(GetProcessHeap(), 0, This->tmp_buffer);
 863         HeapFree(GetProcessHeap(), 0, This);
 864     }
 865     return ref;
 866 }
 867
 868 static void dump_fmt(const WAVEFORMATEX *fmt)
 869 {
 870     TRACE("wFormatTag: 0x%x (", fmt->wFormatTag);
 871     switch(fmt->wFormatTag) {
 872     case WAVE_FORMAT_PCM:
 873         TRACE("WAVE_FORMAT_PCM");
 874         break;
 875     case WAVE_FORMAT_IEEE_FLOAT:
 876         TRACE("WAVE_FORMAT_IEEE_FLOAT");
 877         break;
 878     case WAVE_FORMAT_EXTENSIBLE:
 879         TRACE("WAVE_FORMAT_EXTENSIBLE");
 880         break;
 881     default:
 882         TRACE("Unknown");
 883         break;
 884     }
 885     TRACE(")\n");
 886
 887     TRACE("nChannels: %u\n", fmt->nChannels);
 888     TRACE("nSamplesPerSec: %u\n", fmt->nSamplesPerSec);
 889     TRACE("nAvgBytesPerSec: %u\n", fmt->nAvgBytesPerSec);
 890     TRACE("nBlockAlign: %u\n", fmt->nBlockAlign);
 891     TRACE("wBitsPerSample: %u\n", fmt->wBitsPerSample);
 892     TRACE("cbSize: %u\n", fmt->cbSize);
 893
 894     if (fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE) {
 895         WAVEFORMATEXTENSIBLE *fmtex = (void*)fmt;
 896         TRACE("dwChannelMask: %08x\n", fmtex->dwChannelMask);
 897         TRACE("Samples: %04x\n", fmtex->Samples.wReserved);
 898         TRACE("SubFormat: %s\n", wine_dbgstr_guid(&fmtex->SubFormat));
 899     }
 900 }
 901
 902 static WAVEFORMATEX *clone_format(const WAVEFORMATEX *fmt)
 903 {
 904     WAVEFORMATEX *ret;
 905     size_t size;
 906
 907     if (fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
 908         size = sizeof(WAVEFORMATEXTENSIBLE);
 909     else
 910         size = sizeof(WAVEFORMATEX);
 911
 912     ret = CoTaskMemAlloc(size);
 913     if (!ret)
 914         return NULL;
 915
 916     memcpy(ret, fmt, size);
 917
 918     ret->cbSize = size - sizeof(WAVEFORMATEX);
 919
 920     return ret;
 921 }
 922
 923 static DWORD get_channel_mask(unsigned int channels)
 924 {
 925     switch(channels) {
 926     case 0:
 927         return 0;
 928     case 1:
 929         return SPEAKER_FRONT_CENTER;
 930     case 2:
 931         return SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT;
 932     case 3:
 933         return SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT |
 934             SPEAKER_LOW_FREQUENCY;
 935     case 4:
 936         return SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_BACK_LEFT |
 937             SPEAKER_BACK_RIGHT;
 938     case 5:
 939         return SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_BACK_LEFT |
 940             SPEAKER_BACK_RIGHT | SPEAKER_LOW_FREQUENCY;
 941     case 6:
 942         return SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_BACK_LEFT |
 943             SPEAKER_BACK_RIGHT | SPEAKER_LOW_FREQUENCY | SPEAKER_FRONT_CENTER;
 944     case 7:
 945         return SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_BACK_LEFT |
 946             SPEAKER_BACK_RIGHT | SPEAKER_LOW_FREQUENCY | SPEAKER_FRONT_CENTER |
 947             SPEAKER_BACK_CENTER;
 948     case 8:
 949         return SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_BACK_LEFT |
 950             SPEAKER_BACK_RIGHT | SPEAKER_LOW_FREQUENCY | SPEAKER_FRONT_CENTER |
 951             SPEAKER_SIDE_LEFT | SPEAKER_SIDE_RIGHT;
 952     }
 953     FIXME("Unknown speaker configuration: %u\n", channels);
 954     return 0;
 955 }
 956
 957 static void session_init_vols(AudioSession *session, UINT channels)
 958 {
 959     if (session->channel_count < channels) {
 960         UINT i;
 961
 962         if (session->channel_vols)
 963             session->channel_vols = HeapReAlloc(GetProcessHeap(), 0,
 964                     session->channel_vols, sizeof(float) * channels);
 965         else
 966             session->channel_vols = HeapAlloc(GetProcessHeap(), 0,
 967                     sizeof(float) * channels);
 968         if (!session->channel_vols)
 969             return;
 970
 971         for(i = session->channel_count; i < channels; ++i)
 972             session->channel_vols[i] = 1.f;
 973
 974         session->channel_count = channels;
 975     }
 976 }
 977
 978 static AudioSession *create_session(const GUID *guid, IMMDevice *device,
 979         UINT num_channels)
 980 {
 981     AudioSession *ret;
 982
 983     ret = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(AudioSession));
 984     if (!ret)
 985         return NULL;
 986
 987     memcpy(&ret->guid, guid, sizeof(GUID));
 988
 989     ret->device = device;
 990
 991     list_init(&ret->clients);
 992
 993     list_add_head(&g_sessions, &ret->entry);
 994
 995     session_init_vols(ret, num_channels);
 996
 997     ret->master_vol = 1.f;
 998
 999     return ret;
1000 }
1001
1002 /* if channels == 0, then this will return or create a session with
1003  * matching dataflow and GUID. otherwise, channels must also match */
1004 static HRESULT get_audio_session(const GUID *sessionguid,
1005         IMMDevice *device, UINT channels, AudioSession **out)
1006 {
1007     AudioSession *session;
1008
1009     if (!sessionguid || IsEqualGUID(sessionguid, &GUID_NULL)) {
1010         *out = create_session(&GUID_NULL, device, channels);
1011         if (!*out)
1012             return E_OUTOFMEMORY;
1013
1014         return S_OK;
1015     }
1016
1017     *out = NULL;
1018     LIST_FOR_EACH_ENTRY(session, &g_sessions, AudioSession, entry) {
1019         if (session->device == device &&
1020             IsEqualGUID(sessionguid, &session->guid)) {
1021             session_init_vols(session, channels);
1022             *out = session;
1023             break;
1024         }
1025     }
1026
1027     if (!*out) {
1028         *out = create_session(sessionguid, device, channels);
1029         if (!*out)
1030             return E_OUTOFMEMORY;
1031     }
1032
1033     return S_OK;
1034 }
1035
1036 static HRESULT pulse_spec_from_waveformat(ACImpl *This, const WAVEFORMATEX *fmt)
1037 {
1038     pa_channel_map_init(&This->map);
1039     This->ss.rate = fmt->nSamplesPerSec;
1040     This->ss.format = PA_SAMPLE_INVALID;
1041     switch(fmt->wFormatTag) {
1042     case WAVE_FORMAT_IEEE_FLOAT:
1043         if (!fmt->nChannels || fmt->nChannels > 2 || fmt->wBitsPerSample != 32)
1044             break;
1045         This->ss.format = PA_SAMPLE_FLOAT32LE;
1046         pa_channel_map_init_auto(&This->map, fmt->nChannels, PA_CHANNEL_MAP_ALSA);
1047         break;
1048     case WAVE_FORMAT_PCM:
1049         if (!fmt->nChannels || fmt->nChannels > 2)
1050             break;
1051         if (fmt->wBitsPerSample == 8)
1052             This->ss.format = PA_SAMPLE_U8;
1053         else if (fmt->wBitsPerSample == 16)
1054             This->ss.format = PA_SAMPLE_S16LE;
1055         else
1056             return AUDCLNT_E_UNSUPPORTED_FORMAT;
1057         pa_channel_map_init_auto(&This->map, fmt->nChannels, PA_CHANNEL_MAP_ALSA);
1058         break;
1059     case WAVE_FORMAT_EXTENSIBLE: {
1060         WAVEFORMATEXTENSIBLE *wfe = (WAVEFORMATEXTENSIBLE*)fmt;
1061         DWORD mask = wfe->dwChannelMask;
1062         DWORD i = 0, j;
1063         if (fmt->cbSize != (sizeof(*wfe) - sizeof(*fmt)) && fmt->cbSize != sizeof(*wfe))
1064             break;
1065         if (IsEqualGUID(&wfe->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT) &&
1066             (!wfe->Samples.wValidBitsPerSample || wfe->Samples.wValidBitsPerSample == 32) &&
1067             fmt->wBitsPerSample == 32)
1068             This->ss.format = PA_SAMPLE_FLOAT32LE;
1069         else if (IsEqualGUID(&wfe->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM)) {
1070             DWORD valid = wfe->Samples.wValidBitsPerSample;
1071             if (!valid)
1072                 valid = fmt->wBitsPerSample;
1073             if (!valid || valid > fmt->wBitsPerSample)
1074                 break;
1075             switch (fmt->wBitsPerSample) {
1076                 case 8:
1077                     if (valid == 8)
1078                         This->ss.format = PA_SAMPLE_U8;
1079                     break;
1080                 case 16:
1081                     if (valid == 16)
1082                         This->ss.format = PA_SAMPLE_S16LE;
1083                     break;
1084                 case 24:
1085                     if (valid == 24)
1086                         This->ss.format = PA_SAMPLE_S24LE;
1087                     break;
1088                 case 32:
1089                     if (valid == 24)
1090                         This->ss.format = PA_SAMPLE_S24_32LE;
1091                     else if (valid == 32)
1092                         This->ss.format = PA_SAMPLE_S32LE;
1093                     break;
1094                 default:
1095                     return AUDCLNT_E_UNSUPPORTED_FORMAT;
1096             }
1097         }
1098         This->map.channels = fmt->nChannels;
1099         if (!mask || mask == SPEAKER_ALL)
1100             mask = get_channel_mask(fmt->nChannels);
1101         else if (mask == ~0U && fmt->nChannels == 1)
1102             mask = SPEAKER_FRONT_CENTER;
1103         for (j = 0; j < sizeof(pulse_pos_from_wfx)/sizeof(*pulse_pos_from_wfx) && i < fmt->nChannels; ++j) {
1104             if (mask & (1 << j))
1105                 This->map.map[i++] = pulse_pos_from_wfx[j];
1106         }
1107
1108         /* Special case for mono since pulse appears to map it differently */
1109         if (mask == SPEAKER_FRONT_CENTER)
1110             This->map.map[0] = PA_CHANNEL_POSITION_MONO;
1111
1112         if (i < fmt->nChannels || (mask & SPEAKER_RESERVED)) {
1113             This->map.channels = 0;
1114             ERR("Invalid channel mask: %i/%i and %x(%x)\n", i, fmt->nChannels, mask, wfe->dwChannelMask);
1115             break;
1116         }
1117         break;
1118         }
1119         case WAVE_FORMAT_ALAW:
1120         case WAVE_FORMAT_MULAW:
1121             if (fmt->wBitsPerSample != 8) {
1122                 FIXME("Unsupported bpp %u for LAW\n", fmt->wBitsPerSample);
1123                 return AUDCLNT_E_UNSUPPORTED_FORMAT;
1124             }
1125             if (fmt->nChannels != 1 && fmt->nChannels != 2) {
1126                 FIXME("Unsupported channels %u for LAW\n", fmt->nChannels);
1127                 return AUDCLNT_E_UNSUPPORTED_FORMAT;
1128             }
1129             This->ss.format = fmt->wFormatTag == WAVE_FORMAT_MULAW ? PA_SAMPLE_ULAW : PA_SAMPLE_ALAW;
1130             pa_channel_map_init_auto(&This->map, fmt->nChannels, PA_CHANNEL_MAP_ALSA);
1131             break;
1132         default:
1133             WARN("Unhandled tag %x\n", fmt->wFormatTag);
1134             return AUDCLNT_E_UNSUPPORTED_FORMAT;
1135     }
1136     This->ss.channels = This->map.channels;
1137     if (!pa_channel_map_valid(&This->map) || This->ss.format == PA_SAMPLE_INVALID) {
1138         ERR("Invalid format! Channel spec valid: %i, format: %i\n", pa_channel_map_valid(&This->map), This->ss.format);
1139         dump_fmt(fmt);
1140         return AUDCLNT_E_UNSUPPORTED_FORMAT;
1141     }
1142     return S_OK;
1143 }
1144
1145 static HRESULT WINAPI AudioClient_Initialize(IAudioClient *iface,
1146         AUDCLNT_SHAREMODE mode, DWORD flags, REFERENCE_TIME duration,
1147         REFERENCE_TIME period, const WAVEFORMATEX *fmt,
1148         const GUID *sessionguid)
1149 {
1150     ACImpl *This = impl_from_IAudioClient(iface);
1151     HRESULT hr = S_OK;
1152     UINT period_bytes;
1153
1154     TRACE("(%p)->(%x, %x, %s, %s, %p, %s)\n", This, mode, flags,
1155           wine_dbgstr_longlong(duration), wine_dbgstr_longlong(period), fmt, debugstr_guid(sessionguid));
1156
1157     if (!fmt)
1158         return E_POINTER;
1159
1160     if (mode != AUDCLNT_SHAREMODE_SHARED && mode != AUDCLNT_SHAREMODE_EXCLUSIVE)
1161         return AUDCLNT_E_NOT_INITIALIZED;
1162     if (mode == AUDCLNT_SHAREMODE_EXCLUSIVE)
1163         return AUDCLNT_E_EXCLUSIVE_MODE_NOT_ALLOWED;
1164
1165     if (flags & ~(AUDCLNT_STREAMFLAGS_CROSSPROCESS |
1166                 AUDCLNT_STREAMFLAGS_LOOPBACK |
1167                 AUDCLNT_STREAMFLAGS_EVENTCALLBACK |
1168                 AUDCLNT_STREAMFLAGS_NOPERSIST |
1169                 AUDCLNT_STREAMFLAGS_RATEADJUST |
1170                 AUDCLNT_SESSIONFLAGS_EXPIREWHENUNOWNED |
1171                 AUDCLNT_SESSIONFLAGS_DISPLAY_HIDE |
1172                 AUDCLNT_SESSIONFLAGS_DISPLAY_HIDEWHENEXPIRED)) {
1173         TRACE("Unknown flags: %08x\n", flags);
1174         return E_INVALIDARG;
1175     }
1176
1177     pthread_mutex_lock(&pulse_lock);
1178     if (This->stream) {
1179         pthread_mutex_unlock(&pulse_lock);
1180         return AUDCLNT_E_ALREADY_INITIALIZED;
1181     }
1182
1183     hr = pulse_spec_from_waveformat(This, fmt);
1184     if (FAILED(hr))
1185         goto exit;
1186
1187     if (mode == AUDCLNT_SHAREMODE_SHARED) {
1188         REFERENCE_TIME def = pulse_def_period[This->dataflow == eCapture];
1189         REFERENCE_TIME min = pulse_min_period[This->dataflow == eCapture];
1190
1191         /* Switch to low latency mode if below 2 default periods,
1192          * which is 20 ms by default, this will increase the amount
1193          * of interrupts but allows very low latency. In dsound I
1194          * managed to get a total latency of ~8ms, which is well below
1195          * default
1196          */
1197         if (duration < 2 * def)
1198             period = min;
1199         else
1200             period = def;
1201         if (duration < 2 * period)
1202             duration = 2 * period;
1203
1204         /* Uh oh, really low latency requested.. */
1205         if (duration <= 2 * period)
1206             period /= 2;
1207     }
1208     period_bytes = pa_frame_size(&This->ss) * MulDiv(period, This->ss.rate, 10000000);
1209
1210     if (duration < 20000000)
1211         This->bufsize_frames = ceil((duration / 10000000.) * fmt->nSamplesPerSec);
1212     else
1213         This->bufsize_frames = 2 * fmt->nSamplesPerSec;
1214     This->bufsize_bytes = This->bufsize_frames * pa_frame_size(&This->ss);
1215
1216     This->share = mode;
1217     This->flags = flags;
1218     hr = pulse_stream_connect(This, period_bytes);
1219     if (SUCCEEDED(hr)) {
1220         UINT32 unalign;
1221         const pa_buffer_attr *attr = pa_stream_get_buffer_attr(This->stream);
1222         /* Update frames according to new size */
1223         dump_attr(attr);
1224         if (This->dataflow == eRender)
1225             This->bufsize_bytes = attr->tlength;
1226         else {
1227             This->capture_period = period_bytes = attr->fragsize;
1228             if ((unalign = This->bufsize_bytes % period_bytes))
1229                 This->bufsize_bytes += period_bytes - unalign;
1230         }
1231         This->bufsize_frames = This->bufsize_bytes / pa_frame_size(&This->ss);
1232     }
1233     if (SUCCEEDED(hr)) {
1234         UINT32 i, capture_packets = This->capture_period ? This->bufsize_bytes / This->capture_period : 0;
1235         This->tmp_buffer = HeapAlloc(GetProcessHeap(), 0, This->bufsize_bytes + capture_packets * sizeof(ACPacket));
1236         if (!This->tmp_buffer)
1237             hr = E_OUTOFMEMORY;
1238         else {
1239             ACPacket *cur_packet = (ACPacket*)((char*)This->tmp_buffer + This->bufsize_bytes);
1240             BYTE *data = This->tmp_buffer;
1241             memset(This->tmp_buffer, This->ss.format == PA_SAMPLE_U8 ? 0x80 : 0, This->bufsize_bytes);
1242             list_init(&This->packet_free_head);
1243             list_init(&This->packet_filled_head);
1244             for (i = 0; i < capture_packets; ++i, ++cur_packet) {
1245                 list_add_tail(&This->packet_free_head, &cur_packet->entry);
1246                 cur_packet->data = data;
1247                 data += This->capture_period;
1248             }
1249             assert(!This->capture_period || This->bufsize_bytes == This->capture_period * capture_packets);
1250             assert(!capture_packets || data - This->bufsize_bytes == This->tmp_buffer);
1251         }
1252     }
1253     if (SUCCEEDED(hr))
1254         hr = get_audio_session(sessionguid, This->parent, fmt->nChannels, &This->session);
1255     if (SUCCEEDED(hr))
1256         list_add_tail(&This->session->clients, &This->entry);
1257
1258 exit:
1259     if (FAILED(hr)) {
1260         HeapFree(GetProcessHeap(), 0, This->tmp_buffer);
1261         This->tmp_buffer = NULL;
1262         if (This->stream) {
1263             pa_stream_disconnect(This->stream);
1264             pa_stream_unref(This->stream);
1265             This->stream = NULL;
1266         }
1267     }
1268     pthread_mutex_unlock(&pulse_lock);
1269     return hr;
1270 }
1271
1272 static HRESULT WINAPI AudioClient_GetBufferSize(IAudioClient *iface,
1273         UINT32 *out)
1274 {
1275     ACImpl *This = impl_from_IAudioClient(iface);
1276     HRESULT hr;
1277
1278     TRACE("(%p)->(%p)\n", This, out);
1279
1280     if (!out)
1281         return E_POINTER;
1282
1283     pthread_mutex_lock(&pulse_lock);
1284     hr = pulse_stream_valid(This);
1285     if (SUCCEEDED(hr))
1286         *out = This->bufsize_frames;
1287     pthread_mutex_unlock(&pulse_lock);
1288
1289     return hr;
1290 }
1291
1292 static HRESULT WINAPI AudioClient_GetStreamLatency(IAudioClient *iface,
1293         REFERENCE_TIME *latency)
1294 {
1295     ACImpl *This = impl_from_IAudioClient(iface);
1296     const pa_buffer_attr *attr;
1297     REFERENCE_TIME lat;
1298     HRESULT hr;
1299
1300     TRACE("(%p)->(%p)\n", This, latency);
1301
1302     if (!latency)
1303         return E_POINTER;
1304
1305     pthread_mutex_lock(&pulse_lock);
1306     hr = pulse_stream_valid(This);
1307     if (FAILED(hr)) {
1308         pthread_mutex_unlock(&pulse_lock);
1309         return hr;
1310     }
1311     attr = pa_stream_get_buffer_attr(This->stream);
1312     if (This->dataflow == eRender)
1313         lat = attr->minreq / pa_frame_size(&This->ss);
1314     else
1315         lat = attr->fragsize / pa_frame_size(&This->ss);
1316     *latency = 10000000;
1317     *latency *= lat;
1318     *latency /= This->ss.rate;
1319     pthread_mutex_unlock(&pulse_lock);
1320     TRACE("Latency: %u ms\n", (DWORD)(*latency / 10000));
1321     return S_OK;
1322 }
1323
1324 static void ACImpl_GetRenderPad(ACImpl *This, UINT32 *out)
1325 {
1326     *out = This->pad / pa_frame_size(&This->ss);
1327 }
1328
1329 static void ACImpl_GetCapturePad(ACImpl *This, UINT32 *out)
1330 {
1331     ACPacket *packet = This->locked_ptr;
1332     if (!packet && !list_empty(&This->packet_filled_head)) {
1333         packet = (ACPacket*)list_head(&This->packet_filled_head);
1334         This->locked_ptr = packet;
1335         list_remove(&packet->entry);
1336     }
1337     if (out)
1338         *out = This->pad / pa_frame_size(&This->ss);
1339 }
1340
1341 static HRESULT WINAPI AudioClient_GetCurrentPadding(IAudioClient *iface,
1342         UINT32 *out)
1343 {
1344     ACImpl *This = impl_from_IAudioClient(iface);
1345     HRESULT hr;
1346
1347     TRACE("(%p)->(%p)\n", This, out);
1348
1349     if (!out)
1350         return E_POINTER;
1351
1352     pthread_mutex_lock(&pulse_lock);
1353     hr = pulse_stream_valid(This);
1354     if (FAILED(hr)) {
1355         pthread_mutex_unlock(&pulse_lock);
1356         return hr;
1357     }
1358
1359     if (This->dataflow == eRender)
1360         ACImpl_GetRenderPad(This, out);
1361     else
1362         ACImpl_GetCapturePad(This, out);
1363     pthread_mutex_unlock(&pulse_lock);
1364
1365     TRACE("%p Pad: %u ms (%u)\n", This, MulDiv(*out, 1000, This->ss.rate), *out);
1366     return S_OK;
1367 }
1368
1369 static HRESULT WINAPI AudioClient_IsFormatSupported(IAudioClient *iface,
1370         AUDCLNT_SHAREMODE mode, const WAVEFORMATEX *fmt,
1371         WAVEFORMATEX **out)
1372 {
1373     ACImpl *This = impl_from_IAudioClient(iface);
1374     HRESULT hr = S_OK;
1375     WAVEFORMATEX *closest = NULL;
1376
1377     TRACE("(%p)->(%x, %p, %p)\n", This, mode, fmt, out);
1378
1379     if (!fmt || (mode == AUDCLNT_SHAREMODE_SHARED && !out))
1380         return E_POINTER;
1381
1382     if (out)
1383         *out = NULL;
1384     if (mode != AUDCLNT_SHAREMODE_SHARED && mode != AUDCLNT_SHAREMODE_EXCLUSIVE)
1385         return E_INVALIDARG;
1386     if (mode == AUDCLNT_SHAREMODE_EXCLUSIVE)
1387         return This->dataflow == eCapture ? AUDCLNT_E_UNSUPPORTED_FORMAT : AUDCLNT_E_EXCLUSIVE_MODE_NOT_ALLOWED;
1388     switch (fmt->wFormatTag) {
1389     case WAVE_FORMAT_EXTENSIBLE:
1390         if (fmt->cbSize < sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX))
1391             return E_INVALIDARG;
1392         dump_fmt(fmt);
1393         break;
1394     case WAVE_FORMAT_ALAW:
1395     case WAVE_FORMAT_MULAW:
1396     case WAVE_FORMAT_IEEE_FLOAT:
1397     case WAVE_FORMAT_PCM:
1398         dump_fmt(fmt);
1399         break;
1400     default:
1401         dump_fmt(fmt);
1402         return AUDCLNT_E_UNSUPPORTED_FORMAT;
1403     }
1404     if (fmt->nChannels == 0)
1405         return AUDCLNT_E_UNSUPPORTED_FORMAT;
1406     closest = clone_format(fmt);
1407     if (!closest) {
1408         if (out)
1409             *out = NULL;
1410         return E_OUTOFMEMORY;
1411     }
1412
1413     if (fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE) {
1414         UINT32 mask = 0, i, channels = 0;
1415         WAVEFORMATEXTENSIBLE *ext = (WAVEFORMATEXTENSIBLE*)closest;
1416
1417         if ((fmt->nChannels > 1 && ext->dwChannelMask == SPEAKER_ALL) ||
1418             (fmt->nChannels == 1 && ext->dwChannelMask == ~0U)) {
1419             mask = ext->dwChannelMask;
1420             channels = fmt->nChannels;
1421         } else if (ext->dwChannelMask) {
1422             for (i = 1; !(i & SPEAKER_RESERVED); i <<= 1) {
1423                 if (i & ext->dwChannelMask) {
1424                     mask |= i;
1425                     channels++;
1426                 }
1427             }
1428             if (channels < fmt->nChannels)
1429                 mask = get_channel_mask(fmt->nChannels);
1430         } else
1431             mask = ext->dwChannelMask;
1432         if (ext->dwChannelMask != mask) {
1433             ext->dwChannelMask = mask;
1434             hr = S_FALSE;
1435         }
1436     }
1437
1438     if (hr == S_OK || !out) {
1439         CoTaskMemFree(closest);
1440         if (out)
1441             *out = NULL;
1442     } else if (closest) {
1443         closest->nBlockAlign =
1444             closest->nChannels * closest->wBitsPerSample / 8;
1445         closest->nAvgBytesPerSec =
1446             closest->nBlockAlign * closest->nSamplesPerSec;
1447         *out = closest;
1448     }
1449
1450     TRACE("returning: %08x %p\n", hr, out ? *out : NULL);
1451     return hr;
1452 }
1453
1454 static HRESULT WINAPI AudioClient_GetMixFormat(IAudioClient *iface,
1455         WAVEFORMATEX **pwfx)
1456 {
1457     ACImpl *This = impl_from_IAudioClient(iface);
1458     WAVEFORMATEXTENSIBLE *fmt = &pulse_fmt[This->dataflow == eCapture];
1459
1460     TRACE("(%p)->(%p)\n", This, pwfx);
1461
1462     if (!pwfx)
1463         return E_POINTER;
1464
1465     *pwfx = clone_format(&fmt->Format);
1466     if (!*pwfx)
1467         return E_OUTOFMEMORY;
1468     dump_fmt(*pwfx);
1469     return S_OK;
1470 }
1471
1472 static HRESULT WINAPI AudioClient_GetDevicePeriod(IAudioClient *iface,
1473         REFERENCE_TIME *defperiod, REFERENCE_TIME *minperiod)
1474 {
1475     ACImpl *This = impl_from_IAudioClient(iface);
1476
1477     TRACE("(%p)->(%p, %p)\n", This, defperiod, minperiod);
1478
1479     if (!defperiod && !minperiod)
1480         return E_POINTER;
1481
1482     if (defperiod)
1483         *defperiod = pulse_def_period[This->dataflow == eCapture];
1484     if (minperiod)
1485         *minperiod = pulse_min_period[This->dataflow == eCapture];
1486
1487     return S_OK;
1488 }
1489
1490 static HRESULT WINAPI AudioClient_Start(IAudioClient *iface)
1491 {
1492     ACImpl *This = impl_from_IAudioClient(iface);
1493     HRESULT hr = S_OK;
1494     int success;
1495     pa_operation *o;
1496
1497     TRACE("(%p)\n", This);
1498
1499     pthread_mutex_lock(&pulse_lock);
1500     hr = pulse_stream_valid(This);
1501     if (FAILED(hr)) {
1502         pthread_mutex_unlock(&pulse_lock);
1503         return hr;
1504     }
1505
1506     if ((This->flags & AUDCLNT_STREAMFLAGS_EVENTCALLBACK) && !This->event) {
1507         pthread_mutex_unlock(&pulse_lock);
1508         return AUDCLNT_E_EVENTHANDLE_NOT_SET;
1509     }
1510
1511     if (This->started) {
1512         pthread_mutex_unlock(&pulse_lock);
1513         return AUDCLNT_E_NOT_STOPPED;
1514     }
1515
1516     if (pa_stream_is_corked(This->stream)) {
1517         o = pa_stream_cork(This->stream, 0, pulse_op_cb, &success);
1518         if (o) {
1519             while(pa_operation_get_state(o) == PA_OPERATION_RUNNING)
1520                 pthread_cond_wait(&pulse_cond, &pulse_lock);
1521             pa_operation_unref(o);
1522         } else
1523             success = 0;
1524         if (!success)
1525             hr = E_FAIL;
1526     }
1527     if (SUCCEEDED(hr)) {
1528         This->started = TRUE;
1529         if (This->dataflow == eRender && This->event)
1530             pa_stream_set_latency_update_callback(This->stream, pulse_latency_callback, This);
1531     }
1532     pthread_mutex_unlock(&pulse_lock);
1533     return hr;
1534 }
1535
1536 static HRESULT WINAPI AudioClient_Stop(IAudioClient *iface)
1537 {
1538     ACImpl *This = impl_from_IAudioClient(iface);
1539     HRESULT hr = S_OK;
1540     pa_operation *o;
1541     int success;
1542
1543     TRACE("(%p)\n", This);
1544
1545     pthread_mutex_lock(&pulse_lock);
1546     hr = pulse_stream_valid(This);
1547     if (FAILED(hr)) {
1548         pthread_mutex_unlock(&pulse_lock);
1549         return hr;
1550     }
1551
1552     if (!This->started) {
1553         pthread_mutex_unlock(&pulse_lock);
1554         return S_FALSE;
1555     }
1556
1557     if (This->dataflow == eRender) {
1558         o = pa_stream_cork(This->stream, 1, pulse_op_cb, &success);
1559         if (o) {
1560             while(pa_operation_get_state(o) == PA_OPERATION_RUNNING)
1561                 pthread_cond_wait(&pulse_cond, &pulse_lock);
1562             pa_operation_unref(o);
1563         } else
1564             success = 0;
1565         if (!success)
1566             hr = E_FAIL;
1567     }
1568     if (SUCCEEDED(hr)) {
1569         This->started = FALSE;
1570     }
1571     pthread_mutex_unlock(&pulse_lock);
1572     return hr;
1573 }
1574
1575 static HRESULT WINAPI AudioClient_Reset(IAudioClient *iface)
1576 {
1577     ACImpl *This = impl_from_IAudioClient(iface);
1578     HRESULT hr = S_OK;
1579
1580     TRACE("(%p)\n", This);
1581
1582     pthread_mutex_lock(&pulse_lock);
1583     hr = pulse_stream_valid(This);
1584     if (FAILED(hr)) {
1585         pthread_mutex_unlock(&pulse_lock);
1586         return hr;
1587     }
1588
1589     if (This->started) {
1590         pthread_mutex_unlock(&pulse_lock);
1591         return AUDCLNT_E_NOT_STOPPED;
1592     }
1593
1594     if (This->locked) {
1595         pthread_mutex_unlock(&pulse_lock);
1596         return AUDCLNT_E_BUFFER_OPERATION_PENDING;
1597     }
1598
1599     if (This->dataflow == eRender) {
1600         /* If there is still data in the render buffer it needs to be removed from the server */
1601         int success = 0;
1602         if (This->pad) {
1603             pa_operation *o = pa_stream_flush(This->stream, pulse_op_cb, &success);
1604             if (o) {
1605                 while(pa_operation_get_state(o) == PA_OPERATION_RUNNING)
1606                     pthread_cond_wait(&pulse_cond, &pulse_lock);
1607                 pa_operation_unref(o);
1608             }
1609         }
1610         if (success || !This->pad)
1611             This->clock_lastpos = This->clock_written = This->pad = 0;
1612     } else {
1613         ACPacket *p;
1614         This->clock_written += This->pad;
1615         This->pad = 0;
1616
1617         if ((p = This->locked_ptr)) {
1618             This->locked_ptr = NULL;
1619             list_add_tail(&This->packet_free_head, &p->entry);
1620         }
1621         list_move_tail(&This->packet_free_head, &This->packet_filled_head);
1622     }
1623     pthread_mutex_unlock(&pulse_lock);
1624
1625     return hr;
1626 }
1627
1628 static HRESULT WINAPI AudioClient_SetEventHandle(IAudioClient *iface,
1629         HANDLE event)
1630 {
1631     ACImpl *This = impl_from_IAudioClient(iface);
1632     HRESULT hr;
1633
1634     TRACE("(%p)->(%p)\n", This, event);
1635
1636     if (!event)
1637         return E_INVALIDARG;
1638
1639     pthread_mutex_lock(&pulse_lock);
1640     hr = pulse_stream_valid(This);
1641     if (FAILED(hr)) {
1642         pthread_mutex_unlock(&pulse_lock);
1643         return hr;
1644     }
1645
1646     if (!(This->flags & AUDCLNT_STREAMFLAGS_EVENTCALLBACK))
1647         hr = AUDCLNT_E_EVENTHANDLE_NOT_EXPECTED;
1648     else if (This->event)
1649         hr = HRESULT_FROM_WIN32(ERROR_INVALID_NAME);
1650     else
1651         This->event = event;
1652     pthread_mutex_unlock(&pulse_lock);
1653     return hr;
1654 }
1655
1656 static HRESULT WINAPI AudioClient_GetService(IAudioClient *iface, REFIID riid,
1657         void **ppv)
1658 {
1659     ACImpl *This = impl_from_IAudioClient(iface);
1660     HRESULT hr;
1661
1662     TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(riid), ppv);
1663
1664     if (!ppv)
1665         return E_POINTER;
1666     *ppv = NULL;
1667
1668     pthread_mutex_lock(&pulse_lock);
1669     hr = pulse_stream_valid(This);
1670     pthread_mutex_unlock(&pulse_lock);
1671     if (FAILED(hr))
1672         return hr;
1673
1674     if (IsEqualIID(riid, &IID_IAudioRenderClient)) {
1675         if (This->dataflow != eRender)
1676             return AUDCLNT_E_WRONG_ENDPOINT_TYPE;
1677         *ppv = &This->IAudioRenderClient_iface;
1678     } else if (IsEqualIID(riid, &IID_IAudioCaptureClient)) {
1679         if (This->dataflow != eCapture)
1680             return AUDCLNT_E_WRONG_ENDPOINT_TYPE;
1681         *ppv = &This->IAudioCaptureClient_iface;
1682     } else if (IsEqualIID(riid, &IID_IAudioClock)) {
1683         *ppv = &This->IAudioClock_iface;
1684     } else if (IsEqualIID(riid, &IID_IAudioStreamVolume)) {
1685         *ppv = &This->IAudioStreamVolume_iface;
1686     } else if (IsEqualIID(riid, &IID_IAudioSessionControl) ||
1687                IsEqualIID(riid, &IID_IChannelAudioVolume) ||
1688                IsEqualIID(riid, &IID_ISimpleAudioVolume)) {
1689         if (!This->session_wrapper) {
1690             This->session_wrapper = AudioSessionWrapper_Create(This);
1691             if (!This->session_wrapper)
1692                 return E_OUTOFMEMORY;
1693         }
1694         if (IsEqualIID(riid, &IID_IAudioSessionControl))
1695             *ppv = &This->session_wrapper->IAudioSessionControl2_iface;
1696         else if (IsEqualIID(riid, &IID_IChannelAudioVolume))
1697             *ppv = &This->session_wrapper->IChannelAudioVolume_iface;
1698         else if (IsEqualIID(riid, &IID_ISimpleAudioVolume))
1699             *ppv = &This->session_wrapper->ISimpleAudioVolume_iface;
1700     }
1701
1702     if (*ppv) {
1703         IUnknown_AddRef((IUnknown*)*ppv);
1704         return S_OK;
1705     }
1706
1707     FIXME("stub %s\n", debugstr_guid(riid));
1708     return E_NOINTERFACE;
1709 }
1710
1711 static const IAudioClientVtbl AudioClient_Vtbl =
1712 {
1713     AudioClient_QueryInterface,
1714     AudioClient_AddRef,
1715     AudioClient_Release,
1716     AudioClient_Initialize,
1717     AudioClient_GetBufferSize,
1718     AudioClient_GetStreamLatency,
1719     AudioClient_GetCurrentPadding,
1720     AudioClient_IsFormatSupported,
1721     AudioClient_GetMixFormat,
1722     AudioClient_GetDevicePeriod,
1723     AudioClient_Start,
1724     AudioClient_Stop,
1725     AudioClient_Reset,
1726     AudioClient_SetEventHandle,
1727     AudioClient_GetService
1728 };
1729
1730 static HRESULT WINAPI AudioRenderClient_QueryInterface(
1731         IAudioRenderClient *iface, REFIID riid, void **ppv)
1732 {
1733     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
1734
1735     if (!ppv)
1736         return E_POINTER;
1737     *ppv = NULL;
1738
1739     if (IsEqualIID(riid, &IID_IUnknown) ||
1740         IsEqualIID(riid, &IID_IAudioRenderClient))
1741         *ppv = iface;
1742     if (*ppv) {
1743         IUnknown_AddRef((IUnknown*)*ppv);
1744         return S_OK;
1745     }
1746
1747     WARN("Unknown interface %s\n", debugstr_guid(riid));
1748     return E_NOINTERFACE;
1749 }
1750
1751 static ULONG WINAPI AudioRenderClient_AddRef(IAudioRenderClient *iface)
1752 {
1753     ACImpl *This = impl_from_IAudioRenderClient(iface);
1754     return AudioClient_AddRef(&This->IAudioClient_iface);
1755 }
1756
1757 static ULONG WINAPI AudioRenderClient_Release(IAudioRenderClient *iface)
1758 {
1759     ACImpl *This = impl_from_IAudioRenderClient(iface);
1760     return AudioClient_Release(&This->IAudioClient_iface);
1761 }
1762
1763 static HRESULT WINAPI AudioRenderClient_GetBuffer(IAudioRenderClient *iface,
1764         UINT32 frames, BYTE **data)
1765 {
1766     ACImpl *This = impl_from_IAudioRenderClient(iface);
1767     size_t avail, req, bytes = frames * pa_frame_size(&This->ss);
1768     UINT32 pad;
1769     HRESULT hr = S_OK;
1770     int ret = -1;
1771
1772     TRACE("(%p)->(%u, %p)\n", This, frames, data);
1773
1774     if (!data)
1775         return E_POINTER;
1776     *data = NULL;
1777
1778     pthread_mutex_lock(&pulse_lock);
1779     hr = pulse_stream_valid(This);
1780     if (FAILED(hr) || This->locked) {
1781         pthread_mutex_unlock(&pulse_lock);
1782         return FAILED(hr) ? hr : AUDCLNT_E_OUT_OF_ORDER;
1783     }
1784     if (!frames) {
1785         pthread_mutex_unlock(&pulse_lock);
1786         return S_OK;
1787     }
1788
1789     ACImpl_GetRenderPad(This, &pad);
1790     avail = This->bufsize_frames - pad;
1791     if (avail < frames || bytes > This->bufsize_bytes) {
1792         pthread_mutex_unlock(&pulse_lock);
1793         WARN("Wanted to write %u, but only %zu available\n", frames, avail);
1794         return AUDCLNT_E_BUFFER_TOO_LARGE;
1795     }
1796
1797     This->locked = frames;
1798     req = bytes;
1799     ret = pa_stream_begin_write(This->stream, &This->locked_ptr, &req);
1800     if (ret < 0 || req < bytes) {
1801         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);
1802         if (ret >= 0)
1803             pa_stream_cancel_write(This->stream);
1804         *data = This->tmp_buffer;
1805         This->locked_ptr = NULL;
1806     } else
1807         *data = This->locked_ptr;
1808     pthread_mutex_unlock(&pulse_lock);
1809     return hr;
1810 }
1811
1812 static HRESULT WINAPI AudioRenderClient_ReleaseBuffer(
1813         IAudioRenderClient *iface, UINT32 written_frames, DWORD flags)
1814 {
1815     ACImpl *This = impl_from_IAudioRenderClient(iface);
1816     UINT32 written_bytes = written_frames * pa_frame_size(&This->ss);
1817     UINT32 period;
1818
1819     TRACE("(%p)->(%u, %x)\n", This, written_frames, flags);
1820
1821     pthread_mutex_lock(&pulse_lock);
1822     if (!This->locked || !written_frames) {
1823         if (This->locked_ptr)
1824             pa_stream_cancel_write(This->stream);
1825         This->locked = 0;
1826         This->locked_ptr = NULL;
1827         pthread_mutex_unlock(&pulse_lock);
1828         return written_frames ? AUDCLNT_E_OUT_OF_ORDER : S_OK;
1829     }
1830
1831     if (This->locked < written_frames) {
1832         pthread_mutex_unlock(&pulse_lock);
1833         return AUDCLNT_E_INVALID_SIZE;
1834     }
1835
1836     if (flags & AUDCLNT_BUFFERFLAGS_SILENT) {
1837         if (This->ss.format == PA_SAMPLE_U8)
1838             memset(This->tmp_buffer, 128, written_bytes);
1839         else
1840             memset(This->tmp_buffer, 0, written_bytes);
1841     }
1842
1843     This->locked = 0;
1844     if (This->locked_ptr)
1845         pa_stream_write(This->stream, This->locked_ptr, written_bytes, NULL, 0, PA_SEEK_RELATIVE);
1846     else
1847         pa_stream_write(This->stream, This->tmp_buffer, written_bytes, NULL, 0, PA_SEEK_RELATIVE);
1848     This->pad += written_bytes;
1849     This->locked_ptr = NULL;
1850     TRACE("Released %u, pad %zu\n", written_frames, This->pad / pa_frame_size(&This->ss));
1851     assert(This->pad <= This->bufsize_bytes);
1852
1853     period = pa_stream_get_buffer_attr(This->stream)->minreq;
1854     /* Require a minimum of 3 periods filled, if possible */
1855     if (This->event && This->pad + period <= This->bufsize_bytes && This->pad < period * 3)
1856         SetEvent(This->event);
1857     pthread_mutex_unlock(&pulse_lock);
1858     return S_OK;
1859 }
1860
1861 static const IAudioRenderClientVtbl AudioRenderClient_Vtbl = {
1862     AudioRenderClient_QueryInterface,
1863     AudioRenderClient_AddRef,
1864     AudioRenderClient_Release,
1865     AudioRenderClient_GetBuffer,
1866     AudioRenderClient_ReleaseBuffer
1867 };
1868
1869 static HRESULT WINAPI AudioCaptureClient_QueryInterface(
1870         IAudioCaptureClient *iface, REFIID riid, void **ppv)
1871 {
1872     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
1873
1874     if (!ppv)
1875         return E_POINTER;
1876     *ppv = NULL;
1877
1878     if (IsEqualIID(riid, &IID_IUnknown) ||
1879         IsEqualIID(riid, &IID_IAudioCaptureClient))
1880         *ppv = iface;
1881     if (*ppv) {
1882         IUnknown_AddRef((IUnknown*)*ppv);
1883         return S_OK;
1884     }
1885
1886     WARN("Unknown interface %s\n", debugstr_guid(riid));
1887     return E_NOINTERFACE;
1888 }
1889
1890 static ULONG WINAPI AudioCaptureClient_AddRef(IAudioCaptureClient *iface)
1891 {
1892     ACImpl *This = impl_from_IAudioCaptureClient(iface);
1893     return IAudioClient_AddRef(&This->IAudioClient_iface);
1894 }
1895
1896 static ULONG WINAPI AudioCaptureClient_Release(IAudioCaptureClient *iface)
1897 {
1898     ACImpl *This = impl_from_IAudioCaptureClient(iface);
1899     return IAudioClient_Release(&This->IAudioClient_iface);
1900 }
1901
1902 static HRESULT WINAPI AudioCaptureClient_GetBuffer(IAudioCaptureClient *iface,
1903         BYTE **data, UINT32 *frames, DWORD *flags, UINT64 *devpos,
1904         UINT64 *qpcpos)
1905 {
1906     ACImpl *This = impl_from_IAudioCaptureClient(iface);
1907     HRESULT hr;
1908     ACPacket *packet;
1909
1910     TRACE("(%p)->(%p, %p, %p, %p, %p)\n", This, data, frames, flags,
1911             devpos, qpcpos);
1912
1913     if (!data || !frames || !flags)
1914         return E_POINTER;
1915
1916     pthread_mutex_lock(&pulse_lock);
1917     hr = pulse_stream_valid(This);
1918     if (FAILED(hr) || This->locked) {
1919         pthread_mutex_unlock(&pulse_lock);
1920         return FAILED(hr) ? hr : AUDCLNT_E_OUT_OF_ORDER;
1921     }
1922
1923     ACImpl_GetCapturePad(This, NULL);
1924     if ((packet = This->locked_ptr)) {
1925         *frames = This->capture_period / pa_frame_size(&This->ss);
1926         *flags = 0;
1927         if (packet->discont)
1928             *flags |= AUDCLNT_BUFFERFLAGS_DATA_DISCONTINUITY;
1929         if (devpos) {
1930             if (packet->discont)
1931                 *devpos = (This->clock_written + This->capture_period) / pa_frame_size(&This->ss);
1932             else
1933                 *devpos = This->clock_written / pa_frame_size(&This->ss);
1934         }
1935         if (qpcpos)
1936             *qpcpos = packet->qpcpos;
1937         *data = packet->data;
1938     }
1939     else
1940         *frames = 0;
1941     This->locked = *frames;
1942     pthread_mutex_unlock(&pulse_lock);
1943     return *frames ? S_OK : AUDCLNT_S_BUFFER_EMPTY;
1944 }
1945
1946 static HRESULT WINAPI AudioCaptureClient_ReleaseBuffer(
1947         IAudioCaptureClient *iface, UINT32 done)
1948 {
1949     ACImpl *This = impl_from_IAudioCaptureClient(iface);
1950
1951     TRACE("(%p)->(%u)\n", This, done);
1952
1953     pthread_mutex_lock(&pulse_lock);
1954     if (!This->locked && done) {
1955         pthread_mutex_unlock(&pulse_lock);
1956         return AUDCLNT_E_OUT_OF_ORDER;
1957     }
1958     if (done && This->locked != done) {
1959         pthread_mutex_unlock(&pulse_lock);
1960         return AUDCLNT_E_INVALID_SIZE;
1961     }
1962     if (done) {
1963         ACPacket *packet = This->locked_ptr;
1964         This->locked_ptr = NULL;
1965         This->pad -= This->capture_period;
1966         if (packet->discont)
1967             This->clock_written += 2 * This->capture_period;
1968         else
1969             This->clock_written += This->capture_period;
1970         list_add_tail(&This->packet_free_head, &packet->entry);
1971     }
1972     This->locked = 0;
1973     pthread_mutex_unlock(&pulse_lock);
1974     return S_OK;
1975 }
1976
1977 static HRESULT WINAPI AudioCaptureClient_GetNextPacketSize(
1978         IAudioCaptureClient *iface, UINT32 *frames)
1979 {
1980     ACImpl *This = impl_from_IAudioCaptureClient(iface);
1981     ACPacket *p;
1982
1983     TRACE("(%p)->(%p)\n", This, frames);
1984     if (!frames)
1985         return E_POINTER;
1986
1987     pthread_mutex_lock(&pulse_lock);
1988     ACImpl_GetCapturePad(This, NULL);
1989     p = This->locked_ptr;
1990     if (p)
1991         *frames = This->capture_period / pa_frame_size(&This->ss);
1992     else
1993         *frames = 0;
1994     pthread_mutex_unlock(&pulse_lock);
1995     return S_OK;
1996 }
1997
1998 static const IAudioCaptureClientVtbl AudioCaptureClient_Vtbl =
1999 {
2000     AudioCaptureClient_QueryInterface,
2001     AudioCaptureClient_AddRef,
2002     AudioCaptureClient_Release,
2003     AudioCaptureClient_GetBuffer,
2004     AudioCaptureClient_ReleaseBuffer,
2005     AudioCaptureClient_GetNextPacketSize
2006 };
2007
2008 static HRESULT WINAPI AudioClock_QueryInterface(IAudioClock *iface,
2009         REFIID riid, void **ppv)
2010 {
2011     ACImpl *This = impl_from_IAudioClock(iface);
2012
2013     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2014
2015     if (!ppv)
2016         return E_POINTER;
2017     *ppv = NULL;
2018
2019     if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IAudioClock))
2020         *ppv = iface;
2021     else if (IsEqualIID(riid, &IID_IAudioClock2))
2022         *ppv = &This->IAudioClock2_iface;
2023     if (*ppv) {
2024         IUnknown_AddRef((IUnknown*)*ppv);
2025         return S_OK;
2026     }
2027
2028     WARN("Unknown interface %s\n", debugstr_guid(riid));
2029     return E_NOINTERFACE;
2030 }
2031
2032 static ULONG WINAPI AudioClock_AddRef(IAudioClock *iface)
2033 {
2034     ACImpl *This = impl_from_IAudioClock(iface);
2035     return IAudioClient_AddRef(&This->IAudioClient_iface);
2036 }
2037
2038 static ULONG WINAPI AudioClock_Release(IAudioClock *iface)
2039 {
2040     ACImpl *This = impl_from_IAudioClock(iface);
2041     return IAudioClient_Release(&This->IAudioClient_iface);
2042 }
2043
2044 static HRESULT WINAPI AudioClock_GetFrequency(IAudioClock *iface, UINT64 *freq)
2045 {
2046     ACImpl *This = impl_from_IAudioClock(iface);
2047     HRESULT hr;
2048
2049     TRACE("(%p)->(%p)\n", This, freq);
2050
2051     pthread_mutex_lock(&pulse_lock);
2052     hr = pulse_stream_valid(This);
2053     if (SUCCEEDED(hr))
2054         *freq = This->ss.rate * pa_frame_size(&This->ss);
2055     pthread_mutex_unlock(&pulse_lock);
2056     return hr;
2057 }
2058
2059 static HRESULT WINAPI AudioClock_GetPosition(IAudioClock *iface, UINT64 *pos,
2060         UINT64 *qpctime)
2061 {
2062     ACImpl *This = impl_from_IAudioClock(iface);
2063     HRESULT hr;
2064
2065     TRACE("(%p)->(%p, %p)\n", This, pos, qpctime);
2066
2067     if (!pos)
2068         return E_POINTER;
2069
2070     pthread_mutex_lock(&pulse_lock);
2071     hr = pulse_stream_valid(This);
2072     if (FAILED(hr)) {
2073         pthread_mutex_unlock(&pulse_lock);
2074         return hr;
2075     }
2076
2077     *pos = This->clock_written;
2078
2079     /* Make time never go backwards */
2080     if (*pos < This->clock_lastpos)
2081         *pos = This->clock_lastpos;
2082     else
2083         This->clock_lastpos = *pos;
2084     pthread_mutex_unlock(&pulse_lock);
2085
2086     TRACE("%p Position: %u\n", This, (unsigned)*pos);
2087
2088     if (qpctime) {
2089         LARGE_INTEGER stamp, freq;
2090         QueryPerformanceCounter(&stamp);
2091         QueryPerformanceFrequency(&freq);
2092         *qpctime = (stamp.QuadPart * (INT64)10000000) / freq.QuadPart;
2093     }
2094
2095     return S_OK;
2096 }
2097
2098 static HRESULT WINAPI AudioClock_GetCharacteristics(IAudioClock *iface,
2099         DWORD *chars)
2100 {
2101     ACImpl *This = impl_from_IAudioClock(iface);
2102
2103     TRACE("(%p)->(%p)\n", This, chars);
2104
2105     if (!chars)
2106         return E_POINTER;
2107
2108     *chars = AUDIOCLOCK_CHARACTERISTIC_FIXED_FREQ;
2109
2110     return S_OK;
2111 }
2112
2113 static const IAudioClockVtbl AudioClock_Vtbl =
2114 {
2115     AudioClock_QueryInterface,
2116     AudioClock_AddRef,
2117     AudioClock_Release,
2118     AudioClock_GetFrequency,
2119     AudioClock_GetPosition,
2120     AudioClock_GetCharacteristics
2121 };
2122
2123 static HRESULT WINAPI AudioClock2_QueryInterface(IAudioClock2 *iface,
2124         REFIID riid, void **ppv)
2125 {
2126     ACImpl *This = impl_from_IAudioClock2(iface);
2127     return IAudioClock_QueryInterface(&This->IAudioClock_iface, riid, ppv);
2128 }
2129
2130 static ULONG WINAPI AudioClock2_AddRef(IAudioClock2 *iface)
2131 {
2132     ACImpl *This = impl_from_IAudioClock2(iface);
2133     return IAudioClient_AddRef(&This->IAudioClient_iface);
2134 }
2135
2136 static ULONG WINAPI AudioClock2_Release(IAudioClock2 *iface)
2137 {
2138     ACImpl *This = impl_from_IAudioClock2(iface);
2139     return IAudioClient_Release(&This->IAudioClient_iface);
2140 }
2141
2142 static HRESULT WINAPI AudioClock2_GetDevicePosition(IAudioClock2 *iface,
2143         UINT64 *pos, UINT64 *qpctime)
2144 {
2145     ACImpl *This = impl_from_IAudioClock2(iface);
2146     HRESULT hr = AudioClock_GetPosition(&This->IAudioClock_iface, pos, qpctime);
2147     if (SUCCEEDED(hr))
2148         *pos /= pa_frame_size(&This->ss);
2149     return hr;
2150 }
2151
2152 static const IAudioClock2Vtbl AudioClock2_Vtbl =
2153 {
2154     AudioClock2_QueryInterface,
2155     AudioClock2_AddRef,
2156     AudioClock2_Release,
2157     AudioClock2_GetDevicePosition
2158 };
2159
2160 static HRESULT WINAPI AudioStreamVolume_QueryInterface(
2161         IAudioStreamVolume *iface, REFIID riid, void **ppv)
2162 {
2163     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2164
2165     if (!ppv)
2166         return E_POINTER;
2167     *ppv = NULL;
2168
2169     if (IsEqualIID(riid, &IID_IUnknown) ||
2170         IsEqualIID(riid, &IID_IAudioStreamVolume))
2171         *ppv = iface;
2172     if (*ppv) {
2173         IUnknown_AddRef((IUnknown*)*ppv);
2174         return S_OK;
2175     }
2176
2177     WARN("Unknown interface %s\n", debugstr_guid(riid));
2178     return E_NOINTERFACE;
2179 }
2180
2181 static ULONG WINAPI AudioStreamVolume_AddRef(IAudioStreamVolume *iface)
2182 {
2183     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2184     return IAudioClient_AddRef(&This->IAudioClient_iface);
2185 }
2186
2187 static ULONG WINAPI AudioStreamVolume_Release(IAudioStreamVolume *iface)
2188 {
2189     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2190     return IAudioClient_Release(&This->IAudioClient_iface);
2191 }
2192
2193 static HRESULT WINAPI AudioStreamVolume_GetChannelCount(
2194         IAudioStreamVolume *iface, UINT32 *out)
2195 {
2196     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2197
2198     TRACE("(%p)->(%p)\n", This, out);
2199
2200     if (!out)
2201         return E_POINTER;
2202
2203     *out = This->ss.channels;
2204
2205     return S_OK;
2206 }
2207
2208 struct pulse_info_cb_data {
2209     UINT32 n;
2210     float *levels;
2211 };
2212
2213 static void pulse_sink_input_info_cb(pa_context *c, const pa_sink_input_info *info, int eol, void *data)
2214 {
2215     struct pulse_info_cb_data *d = data;
2216     int i;
2217     if (eol)
2218         return;
2219     for (i = 0; i < d->n; ++i)
2220         d->levels[i] = (float)info->volume.values[i] / (float)PA_VOLUME_NORM;
2221     pthread_cond_signal(&pulse_cond);
2222 }
2223
2224 static void pulse_source_info_cb(pa_context *c, const pa_source_info *info, int eol, void *data)
2225 {
2226     struct pulse_info_cb_data *d = data;
2227     int i;
2228     if (eol)
2229         return;
2230     for (i = 0; i < d->n; ++i)
2231         d->levels[i] = (float)info->volume.values[i] / (float)PA_VOLUME_NORM;
2232     pthread_cond_signal(&pulse_cond);
2233 }
2234
2235 static HRESULT WINAPI AudioStreamVolume_SetAllVolumes(
2236         IAudioStreamVolume *iface, UINT32 count, const float *levels)
2237 {
2238     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2239     pa_operation *o;
2240     HRESULT hr;
2241     int success = 0, i;
2242     pa_cvolume cv;
2243
2244     TRACE("(%p)->(%d, %p)\n", This, count, levels);
2245
2246     if (!levels)
2247         return E_POINTER;
2248
2249     if (count != This->ss.channels)
2250         return E_INVALIDARG;
2251
2252     pthread_mutex_lock(&pulse_lock);
2253     hr = pulse_stream_valid(This);
2254     if (FAILED(hr))
2255         goto out;
2256
2257     if (pulse_stream_volume) {
2258         cv.channels = count;
2259         for (i = 0; i < cv.channels; ++i)
2260             cv.values[i] = levels[i] * (float)PA_VOLUME_NORM;
2261         if (This->dataflow == eRender)
2262             o = pa_context_set_sink_input_volume(pulse_ctx, pa_stream_get_index(This->stream), &cv, pulse_ctx_op_cb, &success);
2263         else
2264             o = pa_context_set_source_volume_by_index(pulse_ctx, pa_stream_get_device_index(This->stream), &cv, pulse_ctx_op_cb, &success);
2265         if (o) {
2266             while(pa_operation_get_state(o) == PA_OPERATION_RUNNING)
2267                 pthread_cond_wait(&pulse_cond, &pulse_lock);
2268             pa_operation_unref(o);
2269         }
2270         if (!success)
2271             hr = AUDCLNT_E_BUFFER_ERROR;
2272     } else {
2273         int i;
2274         for (i = 0; i < count; ++i)
2275             This->vol[i] = levels[i];
2276     }
2277
2278 out:
2279     pthread_mutex_unlock(&pulse_lock);
2280     return hr;
2281 }
2282
2283 static HRESULT WINAPI AudioStreamVolume_GetAllVolumes(
2284         IAudioStreamVolume *iface, UINT32 count, float *levels)
2285 {
2286     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2287     pa_operation *o;
2288     HRESULT hr;
2289     struct pulse_info_cb_data info;
2290
2291     TRACE("(%p)->(%d, %p)\n", This, count, levels);
2292
2293     if (!levels)
2294         return E_POINTER;
2295
2296     if (count != This->ss.channels)
2297         return E_INVALIDARG;
2298
2299     pthread_mutex_lock(&pulse_lock);
2300     hr = pulse_stream_valid(This);
2301     if (FAILED(hr))
2302         goto out;
2303
2304     if (pulse_stream_volume) {
2305         info.n = count;
2306         info.levels = levels;
2307         if (This->dataflow == eRender)
2308             o = pa_context_get_sink_input_info(pulse_ctx, pa_stream_get_index(This->stream), pulse_sink_input_info_cb, &info);
2309         else
2310             o = pa_context_get_source_info_by_index(pulse_ctx, pa_stream_get_device_index(This->stream), pulse_source_info_cb, &info);
2311         if (o) {
2312             while(pa_operation_get_state(o) == PA_OPERATION_RUNNING)
2313                 pthread_cond_wait(&pulse_cond, &pulse_lock);
2314             pa_operation_unref(o);
2315         } else
2316             hr = AUDCLNT_E_BUFFER_ERROR;
2317     } else {
2318         int i;
2319         for (i = 0; i < count; ++i)
2320             levels[i] = This->vol[i];
2321     }
2322
2323 out:
2324     pthread_mutex_unlock(&pulse_lock);
2325     return hr;
2326 }
2327
2328 static HRESULT WINAPI AudioStreamVolume_SetChannelVolume(
2329         IAudioStreamVolume *iface, UINT32 index, float level)
2330 {
2331     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2332     HRESULT hr;
2333     float volumes[PA_CHANNELS_MAX];
2334
2335     TRACE("(%p)->(%d, %f)\n", This, index, level);
2336
2337     if (level < 0.f || level > 1.f)
2338         return E_INVALIDARG;
2339
2340     if (index >= This->ss.channels)
2341         return E_INVALIDARG;
2342
2343     hr = AudioStreamVolume_GetAllVolumes(iface, This->ss.channels, volumes);
2344     volumes[index] = level;
2345     if (SUCCEEDED(hr))
2346         hr = AudioStreamVolume_SetAllVolumes(iface, This->ss.channels, volumes);
2347     return hr;
2348 }
2349
2350 static HRESULT WINAPI AudioStreamVolume_GetChannelVolume(
2351         IAudioStreamVolume *iface, UINT32 index, float *level)
2352 {
2353     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2354     float volumes[PA_CHANNELS_MAX];
2355     HRESULT hr;
2356
2357     TRACE("(%p)->(%d, %p)\n", This, index, level);
2358
2359     if (!level)
2360         return E_POINTER;
2361
2362     if (index >= This->ss.channels)
2363         return E_INVALIDARG;
2364
2365     hr = AudioStreamVolume_GetAllVolumes(iface, This->ss.channels, volumes);
2366     if (SUCCEEDED(hr))
2367         *level = volumes[index];
2368     return hr;
2369 }
2370
2371 static const IAudioStreamVolumeVtbl AudioStreamVolume_Vtbl =
2372 {
2373     AudioStreamVolume_QueryInterface,
2374     AudioStreamVolume_AddRef,
2375     AudioStreamVolume_Release,
2376     AudioStreamVolume_GetChannelCount,
2377     AudioStreamVolume_SetChannelVolume,
2378     AudioStreamVolume_GetChannelVolume,
2379     AudioStreamVolume_SetAllVolumes,
2380     AudioStreamVolume_GetAllVolumes
2381 };
2382
2383 static AudioSessionWrapper *AudioSessionWrapper_Create(ACImpl *client)
2384 {
2385     AudioSessionWrapper *ret;
2386
2387     ret = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
2388             sizeof(AudioSessionWrapper));
2389     if (!ret)
2390         return NULL;
2391
2392     ret->IAudioSessionControl2_iface.lpVtbl = &AudioSessionControl2_Vtbl;
2393     ret->ISimpleAudioVolume_iface.lpVtbl = &SimpleAudioVolume_Vtbl;
2394     ret->IChannelAudioVolume_iface.lpVtbl = &ChannelAudioVolume_Vtbl;
2395
2396     ret->ref = !client;
2397
2398     ret->client = client;
2399     if (client) {
2400         ret->session = client->session;
2401         AudioClient_AddRef(&client->IAudioClient_iface);
2402     }
2403
2404     return ret;
2405 }
2406
2407 static HRESULT WINAPI AudioSessionControl_QueryInterface(
2408         IAudioSessionControl2 *iface, REFIID riid, void **ppv)
2409 {
2410     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2411
2412     if (!ppv)
2413         return E_POINTER;
2414     *ppv = NULL;
2415
2416     if (IsEqualIID(riid, &IID_IUnknown) ||
2417         IsEqualIID(riid, &IID_IAudioSessionControl) ||
2418         IsEqualIID(riid, &IID_IAudioSessionControl2))
2419         *ppv = iface;
2420     if (*ppv) {
2421         IUnknown_AddRef((IUnknown*)*ppv);
2422         return S_OK;
2423     }
2424
2425     WARN("Unknown interface %s\n", debugstr_guid(riid));
2426     return E_NOINTERFACE;
2427 }
2428
2429 static ULONG WINAPI AudioSessionControl_AddRef(IAudioSessionControl2 *iface)
2430 {
2431     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2432     ULONG ref;
2433     ref = InterlockedIncrement(&This->ref);
2434     TRACE("(%p) Refcount now %u\n", This, ref);
2435     return ref;
2436 }
2437
2438 static ULONG WINAPI AudioSessionControl_Release(IAudioSessionControl2 *iface)
2439 {
2440     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2441     ULONG ref;
2442     ref = InterlockedDecrement(&This->ref);
2443     TRACE("(%p) Refcount now %u\n", This, ref);
2444     if (!ref) {
2445         if (This->client) {
2446             This->client->session_wrapper = NULL;
2447             AudioClient_Release(&This->client->IAudioClient_iface);
2448         }
2449         HeapFree(GetProcessHeap(), 0, This);
2450     }
2451     return ref;
2452 }
2453
2454 static HRESULT WINAPI AudioSessionControl_GetState(IAudioSessionControl2 *iface,
2455         AudioSessionState *state)
2456 {
2457     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2458     ACImpl *client;
2459
2460     TRACE("(%p)->(%p)\n", This, state);
2461
2462     if (!state)
2463         return NULL_PTR_ERR;
2464
2465     pthread_mutex_lock(&pulse_lock);
2466     if (list_empty(&This->session->clients)) {
2467         *state = AudioSessionStateExpired;
2468         goto out;
2469     }
2470     LIST_FOR_EACH_ENTRY(client, &This->session->clients, ACImpl, entry) {
2471         if (client->started) {
2472             *state = AudioSessionStateActive;
2473             goto out;
2474         }
2475     }
2476     *state = AudioSessionStateInactive;
2477
2478 out:
2479     pthread_mutex_unlock(&pulse_lock);
2480     return S_OK;
2481 }
2482
2483 static HRESULT WINAPI AudioSessionControl_GetDisplayName(
2484         IAudioSessionControl2 *iface, WCHAR **name)
2485 {
2486     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2487
2488     FIXME("(%p)->(%p) - stub\n", This, name);
2489
2490     return E_NOTIMPL;
2491 }
2492
2493 static HRESULT WINAPI AudioSessionControl_SetDisplayName(
2494         IAudioSessionControl2 *iface, const WCHAR *name, const GUID *session)
2495 {
2496     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2497
2498     FIXME("(%p)->(%p, %s) - stub\n", This, name, debugstr_guid(session));
2499
2500     return E_NOTIMPL;
2501 }
2502
2503 static HRESULT WINAPI AudioSessionControl_GetIconPath(
2504         IAudioSessionControl2 *iface, WCHAR **path)
2505 {
2506     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2507
2508     FIXME("(%p)->(%p) - stub\n", This, path);
2509
2510     return E_NOTIMPL;
2511 }
2512
2513 static HRESULT WINAPI AudioSessionControl_SetIconPath(
2514         IAudioSessionControl2 *iface, const WCHAR *path, const GUID *session)
2515 {
2516     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2517
2518     FIXME("(%p)->(%p, %s) - stub\n", This, path, debugstr_guid(session));
2519
2520     return E_NOTIMPL;
2521 }
2522
2523 static HRESULT WINAPI AudioSessionControl_GetGroupingParam(
2524         IAudioSessionControl2 *iface, GUID *group)
2525 {
2526     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2527
2528     FIXME("(%p)->(%p) - stub\n", This, group);
2529
2530     return E_NOTIMPL;
2531 }
2532
2533 static HRESULT WINAPI AudioSessionControl_SetGroupingParam(
2534         IAudioSessionControl2 *iface, const GUID *group, const GUID *session)
2535 {
2536     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2537
2538     FIXME("(%p)->(%s, %s) - stub\n", This, debugstr_guid(group),
2539             debugstr_guid(session));
2540
2541     return E_NOTIMPL;
2542 }
2543
2544 static HRESULT WINAPI AudioSessionControl_RegisterAudioSessionNotification(
2545         IAudioSessionControl2 *iface, IAudioSessionEvents *events)
2546 {
2547     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2548
2549     FIXME("(%p)->(%p) - stub\n", This, events);
2550
2551     return S_OK;
2552 }
2553
2554 static HRESULT WINAPI AudioSessionControl_UnregisterAudioSessionNotification(
2555         IAudioSessionControl2 *iface, IAudioSessionEvents *events)
2556 {
2557     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2558
2559     FIXME("(%p)->(%p) - stub\n", This, events);
2560
2561     return S_OK;
2562 }
2563
2564 static HRESULT WINAPI AudioSessionControl_GetSessionIdentifier(
2565         IAudioSessionControl2 *iface, WCHAR **id)
2566 {
2567     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2568
2569     FIXME("(%p)->(%p) - stub\n", This, id);
2570
2571     return E_NOTIMPL;
2572 }
2573
2574 static HRESULT WINAPI AudioSessionControl_GetSessionInstanceIdentifier(
2575         IAudioSessionControl2 *iface, WCHAR **id)
2576 {
2577     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2578
2579     FIXME("(%p)->(%p) - stub\n", This, id);
2580
2581     return E_NOTIMPL;
2582 }
2583
2584 static HRESULT WINAPI AudioSessionControl_GetProcessId(
2585         IAudioSessionControl2 *iface, DWORD *pid)
2586 {
2587     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2588
2589     TRACE("(%p)->(%p)\n", This, pid);
2590
2591     if (!pid)
2592         return E_POINTER;
2593
2594     *pid = GetCurrentProcessId();
2595
2596     return S_OK;
2597 }
2598
2599 static HRESULT WINAPI AudioSessionControl_IsSystemSoundsSession(
2600         IAudioSessionControl2 *iface)
2601 {
2602     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2603
2604     TRACE("(%p)\n", This);
2605
2606     return S_FALSE;
2607 }
2608
2609 static HRESULT WINAPI AudioSessionControl_SetDuckingPreference(
2610         IAudioSessionControl2 *iface, BOOL optout)
2611 {
2612     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2613
2614     TRACE("(%p)->(%d)\n", This, optout);
2615
2616     return S_OK;
2617 }
2618
2619 static const IAudioSessionControl2Vtbl AudioSessionControl2_Vtbl =
2620 {
2621     AudioSessionControl_QueryInterface,
2622     AudioSessionControl_AddRef,
2623     AudioSessionControl_Release,
2624     AudioSessionControl_GetState,
2625     AudioSessionControl_GetDisplayName,
2626     AudioSessionControl_SetDisplayName,
2627     AudioSessionControl_GetIconPath,
2628     AudioSessionControl_SetIconPath,
2629     AudioSessionControl_GetGroupingParam,
2630     AudioSessionControl_SetGroupingParam,
2631     AudioSessionControl_RegisterAudioSessionNotification,
2632     AudioSessionControl_UnregisterAudioSessionNotification,
2633     AudioSessionControl_GetSessionIdentifier,
2634     AudioSessionControl_GetSessionInstanceIdentifier,
2635     AudioSessionControl_GetProcessId,
2636     AudioSessionControl_IsSystemSoundsSession,
2637     AudioSessionControl_SetDuckingPreference
2638 };
2639
2640 typedef struct _SessionMgr {
2641     IAudioSessionManager2 IAudioSessionManager2_iface;
2642
2643     LONG ref;
2644
2645     IMMDevice *device;
2646 } SessionMgr;
2647
2648 static HRESULT WINAPI AudioSessionManager_QueryInterface(IAudioSessionManager2 *iface,
2649         REFIID riid, void **ppv)
2650 {
2651     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2652
2653     if (!ppv)
2654         return E_POINTER;
2655     *ppv = NULL;
2656
2657     if (IsEqualIID(riid, &IID_IUnknown) ||
2658         IsEqualIID(riid, &IID_IAudioSessionManager) ||
2659         IsEqualIID(riid, &IID_IAudioSessionManager2))
2660         *ppv = iface;
2661     if (*ppv) {
2662         IUnknown_AddRef((IUnknown*)*ppv);
2663         return S_OK;
2664     }
2665
2666     WARN("Unknown interface %s\n", debugstr_guid(riid));
2667     return E_NOINTERFACE;
2668 }
2669
2670 static inline SessionMgr *impl_from_IAudioSessionManager2(IAudioSessionManager2 *iface)
2671 {
2672     return CONTAINING_RECORD(iface, SessionMgr, IAudioSessionManager2_iface);
2673 }
2674
2675 static ULONG WINAPI AudioSessionManager_AddRef(IAudioSessionManager2 *iface)
2676 {
2677     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
2678     ULONG ref;
2679     ref = InterlockedIncrement(&This->ref);
2680     TRACE("(%p) Refcount now %u\n", This, ref);
2681     return ref;
2682 }
2683
2684 static ULONG WINAPI AudioSessionManager_Release(IAudioSessionManager2 *iface)
2685 {
2686     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
2687     ULONG ref;
2688     ref = InterlockedDecrement(&This->ref);
2689     TRACE("(%p) Refcount now %u\n", This, ref);
2690     if (!ref)
2691         HeapFree(GetProcessHeap(), 0, This);
2692     return ref;
2693 }
2694
2695 static HRESULT WINAPI AudioSessionManager_GetAudioSessionControl(
2696         IAudioSessionManager2 *iface, const GUID *session_guid, DWORD flags,
2697         IAudioSessionControl **out)
2698 {
2699     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
2700     AudioSession *session;
2701     AudioSessionWrapper *wrapper;
2702     HRESULT hr;
2703
2704     TRACE("(%p)->(%s, %x, %p)\n", This, debugstr_guid(session_guid),
2705             flags, out);
2706
2707     hr = get_audio_session(session_guid, This->device, 0, &session);
2708     if (FAILED(hr))
2709         return hr;
2710
2711     wrapper = AudioSessionWrapper_Create(NULL);
2712     if (!wrapper)
2713         return E_OUTOFMEMORY;
2714
2715     wrapper->session = session;
2716
2717     *out = (IAudioSessionControl*)&wrapper->IAudioSessionControl2_iface;
2718
2719     return S_OK;
2720 }
2721
2722 static HRESULT WINAPI AudioSessionManager_GetSimpleAudioVolume(
2723         IAudioSessionManager2 *iface, const GUID *session_guid, DWORD flags,
2724         ISimpleAudioVolume **out)
2725 {
2726     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
2727     AudioSession *session;
2728     AudioSessionWrapper *wrapper;
2729     HRESULT hr;
2730
2731     TRACE("(%p)->(%s, %x, %p)\n", This, debugstr_guid(session_guid),
2732             flags, out);
2733
2734     hr = get_audio_session(session_guid, This->device, 0, &session);
2735     if (FAILED(hr))
2736         return hr;
2737
2738     wrapper = AudioSessionWrapper_Create(NULL);
2739     if (!wrapper)
2740         return E_OUTOFMEMORY;
2741
2742     wrapper->session = session;
2743
2744     *out = &wrapper->ISimpleAudioVolume_iface;
2745
2746     return S_OK;
2747 }
2748
2749 static HRESULT WINAPI AudioSessionManager_GetSessionEnumerator(
2750         IAudioSessionManager2 *iface, IAudioSessionEnumerator **out)
2751 {
2752     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
2753     FIXME("(%p)->(%p) - stub\n", This, out);
2754     return E_NOTIMPL;
2755 }
2756
2757 static HRESULT WINAPI AudioSessionManager_RegisterSessionNotification(
2758         IAudioSessionManager2 *iface, IAudioSessionNotification *notification)
2759 {
2760     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
2761     FIXME("(%p)->(%p) - stub\n", This, notification);
2762     return E_NOTIMPL;
2763 }
2764
2765 static HRESULT WINAPI AudioSessionManager_UnregisterSessionNotification(
2766         IAudioSessionManager2 *iface, IAudioSessionNotification *notification)
2767 {
2768     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
2769     FIXME("(%p)->(%p) - stub\n", This, notification);
2770     return E_NOTIMPL;
2771 }
2772
2773 static HRESULT WINAPI AudioSessionManager_RegisterDuckNotification(
2774         IAudioSessionManager2 *iface, const WCHAR *session_id,
2775         IAudioVolumeDuckNotification *notification)
2776 {
2777     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
2778     FIXME("(%p)->(%p) - stub\n", This, notification);
2779     return E_NOTIMPL;
2780 }
2781
2782 static HRESULT WINAPI AudioSessionManager_UnregisterDuckNotification(
2783         IAudioSessionManager2 *iface,
2784         IAudioVolumeDuckNotification *notification)
2785 {
2786     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
2787     FIXME("(%p)->(%p) - stub\n", This, notification);
2788     return E_NOTIMPL;
2789 }
2790
2791 static const IAudioSessionManager2Vtbl AudioSessionManager2_Vtbl =
2792 {
2793     AudioSessionManager_QueryInterface,
2794     AudioSessionManager_AddRef,
2795     AudioSessionManager_Release,
2796     AudioSessionManager_GetAudioSessionControl,
2797     AudioSessionManager_GetSimpleAudioVolume,
2798     AudioSessionManager_GetSessionEnumerator,
2799     AudioSessionManager_RegisterSessionNotification,
2800     AudioSessionManager_UnregisterSessionNotification,
2801     AudioSessionManager_RegisterDuckNotification,
2802     AudioSessionManager_UnregisterDuckNotification
2803 };
2804
2805 static HRESULT WINAPI SimpleAudioVolume_QueryInterface(
2806         ISimpleAudioVolume *iface, REFIID riid, void **ppv)
2807 {
2808     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2809
2810     if (!ppv)
2811         return E_POINTER;
2812     *ppv = NULL;
2813
2814     if (IsEqualIID(riid, &IID_IUnknown) ||
2815         IsEqualIID(riid, &IID_ISimpleAudioVolume))
2816         *ppv = iface;
2817     if (*ppv) {
2818         IUnknown_AddRef((IUnknown*)*ppv);
2819         return S_OK;
2820     }
2821
2822     WARN("Unknown interface %s\n", debugstr_guid(riid));
2823     return E_NOINTERFACE;
2824 }
2825
2826 static ULONG WINAPI SimpleAudioVolume_AddRef(ISimpleAudioVolume *iface)
2827 {
2828     AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2829     return AudioSessionControl_AddRef(&This->IAudioSessionControl2_iface);
2830 }
2831
2832 static ULONG WINAPI SimpleAudioVolume_Release(ISimpleAudioVolume *iface)
2833 {
2834     AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2835     return AudioSessionControl_Release(&This->IAudioSessionControl2_iface);
2836 }
2837
2838 static HRESULT WINAPI SimpleAudioVolume_SetMasterVolume(
2839         ISimpleAudioVolume *iface, float level, const GUID *context)
2840 {
2841     AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2842     AudioSession *session = This->session;
2843
2844     TRACE("(%p)->(%f, %s)\n", session, level, wine_dbgstr_guid(context));
2845
2846     if (level < 0.f || level > 1.f)
2847         return E_INVALIDARG;
2848
2849     if (context)
2850         FIXME("Notifications not supported yet\n");
2851
2852     TRACE("Pulseaudio does not support session volume control\n");
2853
2854     pthread_mutex_lock(&pulse_lock);
2855     session->master_vol = level;
2856     pthread_mutex_unlock(&pulse_lock);
2857
2858     return S_OK;
2859 }
2860
2861 static HRESULT WINAPI SimpleAudioVolume_GetMasterVolume(
2862         ISimpleAudioVolume *iface, float *level)
2863 {
2864     AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2865     AudioSession *session = This->session;
2866
2867     TRACE("(%p)->(%p)\n", session, level);
2868
2869     if (!level)
2870         return NULL_PTR_ERR;
2871
2872     *level = session->master_vol;
2873
2874     return S_OK;
2875 }
2876
2877 static HRESULT WINAPI SimpleAudioVolume_SetMute(ISimpleAudioVolume *iface,
2878         BOOL mute, const GUID *context)
2879 {
2880     AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2881     AudioSession *session = This->session;
2882
2883     TRACE("(%p)->(%u, %p)\n", session, mute, context);
2884
2885     if (context)
2886         FIXME("Notifications not supported yet\n");
2887
2888     session->mute = mute;
2889
2890     return S_OK;
2891 }
2892
2893 static HRESULT WINAPI SimpleAudioVolume_GetMute(ISimpleAudioVolume *iface,
2894         BOOL *mute)
2895 {
2896     AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2897     AudioSession *session = This->session;
2898
2899     TRACE("(%p)->(%p)\n", session, mute);
2900
2901     if (!mute)
2902         return NULL_PTR_ERR;
2903
2904     *mute = session->mute;
2905
2906     return S_OK;
2907 }
2908
2909 static const ISimpleAudioVolumeVtbl SimpleAudioVolume_Vtbl  =
2910 {
2911     SimpleAudioVolume_QueryInterface,
2912     SimpleAudioVolume_AddRef,
2913     SimpleAudioVolume_Release,
2914     SimpleAudioVolume_SetMasterVolume,
2915     SimpleAudioVolume_GetMasterVolume,
2916     SimpleAudioVolume_SetMute,
2917     SimpleAudioVolume_GetMute
2918 };
2919
2920 static HRESULT WINAPI ChannelAudioVolume_QueryInterface(
2921         IChannelAudioVolume *iface, REFIID riid, void **ppv)
2922 {
2923     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2924
2925     if (!ppv)
2926         return E_POINTER;
2927     *ppv = NULL;
2928
2929     if (IsEqualIID(riid, &IID_IUnknown) ||
2930         IsEqualIID(riid, &IID_IChannelAudioVolume))
2931         *ppv = iface;
2932     if (*ppv) {
2933         IUnknown_AddRef((IUnknown*)*ppv);
2934         return S_OK;
2935     }
2936
2937     WARN("Unknown interface %s\n", debugstr_guid(riid));
2938     return E_NOINTERFACE;
2939 }
2940
2941 static ULONG WINAPI ChannelAudioVolume_AddRef(IChannelAudioVolume *iface)
2942 {
2943     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
2944     return AudioSessionControl_AddRef(&This->IAudioSessionControl2_iface);
2945 }
2946
2947 static ULONG WINAPI ChannelAudioVolume_Release(IChannelAudioVolume *iface)
2948 {
2949     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
2950     return AudioSessionControl_Release(&This->IAudioSessionControl2_iface);
2951 }
2952
2953 static HRESULT WINAPI ChannelAudioVolume_GetChannelCount(
2954         IChannelAudioVolume *iface, UINT32 *out)
2955 {
2956     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
2957     AudioSession *session = This->session;
2958
2959     TRACE("(%p)->(%p)\n", session, out);
2960
2961     if (!out)
2962         return NULL_PTR_ERR;
2963
2964     *out = session->channel_count;
2965
2966     return S_OK;
2967 }
2968
2969 static HRESULT WINAPI ChannelAudioVolume_SetChannelVolume(
2970         IChannelAudioVolume *iface, UINT32 index, float level,
2971         const GUID *context)
2972 {
2973     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
2974     AudioSession *session = This->session;
2975
2976     TRACE("(%p)->(%d, %f, %s)\n", session, index, level,
2977             wine_dbgstr_guid(context));
2978
2979     if (level < 0.f || level > 1.f)
2980         return E_INVALIDARG;
2981
2982     if (index >= session->channel_count)
2983         return E_INVALIDARG;
2984
2985     if (context)
2986         FIXME("Notifications not supported yet\n");
2987
2988     TRACE("Pulseaudio does not support session volume control\n");
2989
2990     pthread_mutex_lock(&pulse_lock);
2991     session->channel_vols[index] = level;
2992     pthread_mutex_unlock(&pulse_lock);
2993
2994     return S_OK;
2995 }
2996
2997 static HRESULT WINAPI ChannelAudioVolume_GetChannelVolume(
2998         IChannelAudioVolume *iface, UINT32 index, float *level)
2999 {
3000     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
3001     AudioSession *session = This->session;
3002
3003     TRACE("(%p)->(%d, %p)\n", session, index, level);
3004
3005     if (!level)
3006         return NULL_PTR_ERR;
3007
3008     if (index >= session->channel_count)
3009         return E_INVALIDARG;
3010
3011     *level = session->channel_vols[index];
3012
3013     return S_OK;
3014 }
3015
3016 static HRESULT WINAPI ChannelAudioVolume_SetAllVolumes(
3017         IChannelAudioVolume *iface, UINT32 count, const float *levels,
3018         const GUID *context)
3019 {
3020     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
3021     AudioSession *session = This->session;
3022     int i;
3023
3024     TRACE("(%p)->(%d, %p, %s)\n", session, count, levels,
3025             wine_dbgstr_guid(context));
3026
3027     if (!levels)
3028         return NULL_PTR_ERR;
3029
3030     if (count != session->channel_count)
3031         return E_INVALIDARG;
3032
3033     if (context)
3034         FIXME("Notifications not supported yet\n");
3035
3036     TRACE("Pulseaudio does not support session volume control\n");
3037
3038     pthread_mutex_lock(&pulse_lock);
3039     for(i = 0; i < count; ++i)
3040         session->channel_vols[i] = levels[i];
3041     pthread_mutex_unlock(&pulse_lock);
3042     return S_OK;
3043 }
3044
3045 static HRESULT WINAPI ChannelAudioVolume_GetAllVolumes(
3046         IChannelAudioVolume *iface, UINT32 count, float *levels)
3047 {
3048     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
3049     AudioSession *session = This->session;
3050     int i;
3051
3052     TRACE("(%p)->(%d, %p)\n", session, count, levels);
3053
3054     if (!levels)
3055         return NULL_PTR_ERR;
3056
3057     if (count != session->channel_count)
3058         return E_INVALIDARG;
3059
3060     for(i = 0; i < count; ++i)
3061         levels[i] = session->channel_vols[i];
3062
3063     return S_OK;
3064 }
3065
3066 static const IChannelAudioVolumeVtbl ChannelAudioVolume_Vtbl =
3067 {
3068     ChannelAudioVolume_QueryInterface,
3069     ChannelAudioVolume_AddRef,
3070     ChannelAudioVolume_Release,
3071     ChannelAudioVolume_GetChannelCount,
3072     ChannelAudioVolume_SetChannelVolume,
3073     ChannelAudioVolume_GetChannelVolume,
3074     ChannelAudioVolume_SetAllVolumes,
3075     ChannelAudioVolume_GetAllVolumes
3076 };
3077
3078 HRESULT WINAPI AUDDRV_GetAudioSessionManager(IMMDevice *device,
3079         IAudioSessionManager2 **out)
3080 {
3081     SessionMgr *This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(SessionMgr));
3082     *out = NULL;
3083     if (!This)
3084         return E_OUTOFMEMORY;
3085     This->IAudioSessionManager2_iface.lpVtbl = &AudioSessionManager2_Vtbl;
3086     This->device = device;
3087     This->ref = 1;
3088     *out = &This->IAudioSessionManager2_iface;
3089     return S_OK;
3090 }