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     period_bytes = pa_frame_size(&This->ss) * MulDiv(period, This->ss.rate, 10000000);
1205
1206     if (duration < 20000000)
1207         This->bufsize_frames = ceil((duration / 10000000.) * fmt->nSamplesPerSec);
1208     else
1209         This->bufsize_frames = 2 * fmt->nSamplesPerSec;
1210     This->bufsize_bytes = This->bufsize_frames * pa_frame_size(&This->ss);
1211
1212     This->share = mode;
1213     This->flags = flags;
1214     hr = pulse_stream_connect(This, period_bytes);
1215     if (SUCCEEDED(hr)) {
1216         UINT32 unalign;
1217         const pa_buffer_attr *attr = pa_stream_get_buffer_attr(This->stream);
1218         /* Update frames according to new size */
1219         dump_attr(attr);
1220         if (This->dataflow == eRender)
1221             This->bufsize_bytes = attr->tlength;
1222         else {
1223             This->capture_period = period_bytes = attr->fragsize;
1224             if ((unalign = This->bufsize_bytes % period_bytes))
1225                 This->bufsize_bytes += period_bytes - unalign;
1226         }
1227         This->bufsize_frames = This->bufsize_bytes / pa_frame_size(&This->ss);
1228     }
1229     if (SUCCEEDED(hr)) {
1230         UINT32 i, capture_packets = This->capture_period ? This->bufsize_bytes / This->capture_period : 0;
1231         This->tmp_buffer = HeapAlloc(GetProcessHeap(), 0, This->bufsize_bytes + capture_packets * sizeof(ACPacket));
1232         if (!This->tmp_buffer)
1233             hr = E_OUTOFMEMORY;
1234         else {
1235             ACPacket *cur_packet = (ACPacket*)((char*)This->tmp_buffer + This->bufsize_bytes);
1236             BYTE *data = This->tmp_buffer;
1237             memset(This->tmp_buffer, This->ss.format == PA_SAMPLE_U8 ? 0x80 : 0, This->bufsize_bytes);
1238             list_init(&This->packet_free_head);
1239             list_init(&This->packet_filled_head);
1240             for (i = 0; i < capture_packets; ++i, ++cur_packet) {
1241                 list_add_tail(&This->packet_free_head, &cur_packet->entry);
1242                 cur_packet->data = data;
1243                 data += This->capture_period;
1244             }
1245             assert(!This->capture_period || This->bufsize_bytes == This->capture_period * capture_packets);
1246             assert(!capture_packets || data - This->bufsize_bytes == This->tmp_buffer);
1247         }
1248     }
1249     if (SUCCEEDED(hr))
1250         hr = get_audio_session(sessionguid, This->parent, fmt->nChannels, &This->session);
1251     if (SUCCEEDED(hr))
1252         list_add_tail(&This->session->clients, &This->entry);
1253
1254 exit:
1255     if (FAILED(hr)) {
1256         HeapFree(GetProcessHeap(), 0, This->tmp_buffer);
1257         This->tmp_buffer = NULL;
1258         if (This->stream) {
1259             pa_stream_disconnect(This->stream);
1260             pa_stream_unref(This->stream);
1261             This->stream = NULL;
1262         }
1263     }
1264     pthread_mutex_unlock(&pulse_lock);
1265     return hr;
1266 }
1267
1268 static HRESULT WINAPI AudioClient_GetBufferSize(IAudioClient *iface,
1269         UINT32 *out)
1270 {
1271     ACImpl *This = impl_from_IAudioClient(iface);
1272     HRESULT hr;
1273
1274     TRACE("(%p)->(%p)\n", This, out);
1275
1276     if (!out)
1277         return E_POINTER;
1278
1279     pthread_mutex_lock(&pulse_lock);
1280     hr = pulse_stream_valid(This);
1281     if (SUCCEEDED(hr))
1282         *out = This->bufsize_frames;
1283     pthread_mutex_unlock(&pulse_lock);
1284
1285     return hr;
1286 }
1287
1288 static HRESULT WINAPI AudioClient_GetStreamLatency(IAudioClient *iface,
1289         REFERENCE_TIME *latency)
1290 {
1291     ACImpl *This = impl_from_IAudioClient(iface);
1292     const pa_buffer_attr *attr;
1293     REFERENCE_TIME lat;
1294     HRESULT hr;
1295
1296     TRACE("(%p)->(%p)\n", This, latency);
1297
1298     if (!latency)
1299         return E_POINTER;
1300
1301     pthread_mutex_lock(&pulse_lock);
1302     hr = pulse_stream_valid(This);
1303     if (FAILED(hr)) {
1304         pthread_mutex_unlock(&pulse_lock);
1305         return hr;
1306     }
1307     attr = pa_stream_get_buffer_attr(This->stream);
1308     if (This->dataflow == eRender)
1309         lat = attr->minreq / pa_frame_size(&This->ss);
1310     else
1311         lat = attr->fragsize / pa_frame_size(&This->ss);
1312     *latency = 10000000;
1313     *latency *= lat;
1314     *latency /= This->ss.rate;
1315     pthread_mutex_unlock(&pulse_lock);
1316     TRACE("Latency: %u ms\n", (DWORD)(*latency / 10000));
1317     return S_OK;
1318 }
1319
1320 static void ACImpl_GetRenderPad(ACImpl *This, UINT32 *out)
1321 {
1322     *out = This->pad / pa_frame_size(&This->ss);
1323 }
1324
1325 static void ACImpl_GetCapturePad(ACImpl *This, UINT32 *out)
1326 {
1327     ACPacket *packet = This->locked_ptr;
1328     if (!packet && !list_empty(&This->packet_filled_head)) {
1329         packet = (ACPacket*)list_head(&This->packet_filled_head);
1330         This->locked_ptr = packet;
1331         list_remove(&packet->entry);
1332     }
1333     if (out)
1334         *out = This->pad / pa_frame_size(&This->ss);
1335 }
1336
1337 static HRESULT WINAPI AudioClient_GetCurrentPadding(IAudioClient *iface,
1338         UINT32 *out)
1339 {
1340     ACImpl *This = impl_from_IAudioClient(iface);
1341     HRESULT hr;
1342
1343     TRACE("(%p)->(%p)\n", This, out);
1344
1345     if (!out)
1346         return E_POINTER;
1347
1348     pthread_mutex_lock(&pulse_lock);
1349     hr = pulse_stream_valid(This);
1350     if (FAILED(hr)) {
1351         pthread_mutex_unlock(&pulse_lock);
1352         return hr;
1353     }
1354
1355     if (This->dataflow == eRender)
1356         ACImpl_GetRenderPad(This, out);
1357     else
1358         ACImpl_GetCapturePad(This, out);
1359     pthread_mutex_unlock(&pulse_lock);
1360
1361     TRACE("%p Pad: %u ms (%u)\n", This, MulDiv(*out, 1000, This->ss.rate), *out);
1362     return S_OK;
1363 }
1364
1365 static HRESULT WINAPI AudioClient_IsFormatSupported(IAudioClient *iface,
1366         AUDCLNT_SHAREMODE mode, const WAVEFORMATEX *fmt,
1367         WAVEFORMATEX **out)
1368 {
1369     ACImpl *This = impl_from_IAudioClient(iface);
1370     HRESULT hr = S_OK;
1371     WAVEFORMATEX *closest = NULL;
1372
1373     TRACE("(%p)->(%x, %p, %p)\n", This, mode, fmt, out);
1374
1375     if (!fmt || (mode == AUDCLNT_SHAREMODE_SHARED && !out))
1376         return E_POINTER;
1377
1378     if (out)
1379         *out = NULL;
1380     if (mode != AUDCLNT_SHAREMODE_SHARED && mode != AUDCLNT_SHAREMODE_EXCLUSIVE)
1381         return E_INVALIDARG;
1382     if (mode == AUDCLNT_SHAREMODE_EXCLUSIVE)
1383         return This->dataflow == eCapture ? AUDCLNT_E_UNSUPPORTED_FORMAT : AUDCLNT_E_EXCLUSIVE_MODE_NOT_ALLOWED;
1384     switch (fmt->wFormatTag) {
1385     case WAVE_FORMAT_EXTENSIBLE:
1386         if (fmt->cbSize < sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX))
1387             return E_INVALIDARG;
1388         dump_fmt(fmt);
1389         break;
1390     case WAVE_FORMAT_ALAW:
1391     case WAVE_FORMAT_MULAW:
1392     case WAVE_FORMAT_IEEE_FLOAT:
1393     case WAVE_FORMAT_PCM:
1394         dump_fmt(fmt);
1395         break;
1396     default:
1397         dump_fmt(fmt);
1398         return AUDCLNT_E_UNSUPPORTED_FORMAT;
1399     }
1400     if (fmt->nChannels == 0)
1401         return AUDCLNT_E_UNSUPPORTED_FORMAT;
1402     closest = clone_format(fmt);
1403     if (!closest) {
1404         if (out)
1405             *out = NULL;
1406         return E_OUTOFMEMORY;
1407     }
1408
1409     if (fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE) {
1410         UINT32 mask = 0, i, channels = 0;
1411         WAVEFORMATEXTENSIBLE *ext = (WAVEFORMATEXTENSIBLE*)closest;
1412
1413         if ((fmt->nChannels > 1 && ext->dwChannelMask == SPEAKER_ALL) ||
1414             (fmt->nChannels == 1 && ext->dwChannelMask == ~0U)) {
1415             mask = ext->dwChannelMask;
1416             channels = fmt->nChannels;
1417         } else if (ext->dwChannelMask) {
1418             for (i = 1; !(i & SPEAKER_RESERVED); i <<= 1) {
1419                 if (i & ext->dwChannelMask) {
1420                     mask |= i;
1421                     channels++;
1422                 }
1423             }
1424             if (channels < fmt->nChannels)
1425                 mask = get_channel_mask(fmt->nChannels);
1426         } else
1427             mask = ext->dwChannelMask;
1428         if (ext->dwChannelMask != mask) {
1429             ext->dwChannelMask = mask;
1430             hr = S_FALSE;
1431         }
1432     }
1433
1434     if (hr == S_OK || !out) {
1435         CoTaskMemFree(closest);
1436         if (out)
1437             *out = NULL;
1438     } else if (closest) {
1439         closest->nBlockAlign =
1440             closest->nChannels * closest->wBitsPerSample / 8;
1441         closest->nAvgBytesPerSec =
1442             closest->nBlockAlign * closest->nSamplesPerSec;
1443         *out = closest;
1444     }
1445
1446     TRACE("returning: %08x %p\n", hr, out ? *out : NULL);
1447     return hr;
1448 }
1449
1450 static HRESULT WINAPI AudioClient_GetMixFormat(IAudioClient *iface,
1451         WAVEFORMATEX **pwfx)
1452 {
1453     ACImpl *This = impl_from_IAudioClient(iface);
1454     WAVEFORMATEXTENSIBLE *fmt = &pulse_fmt[This->dataflow == eCapture];
1455
1456     TRACE("(%p)->(%p)\n", This, pwfx);
1457
1458     if (!pwfx)
1459         return E_POINTER;
1460
1461     *pwfx = clone_format(&fmt->Format);
1462     if (!*pwfx)
1463         return E_OUTOFMEMORY;
1464     dump_fmt(*pwfx);
1465     return S_OK;
1466 }
1467
1468 static HRESULT WINAPI AudioClient_GetDevicePeriod(IAudioClient *iface,
1469         REFERENCE_TIME *defperiod, REFERENCE_TIME *minperiod)
1470 {
1471     ACImpl *This = impl_from_IAudioClient(iface);
1472
1473     TRACE("(%p)->(%p, %p)\n", This, defperiod, minperiod);
1474
1475     if (!defperiod && !minperiod)
1476         return E_POINTER;
1477
1478     if (defperiod)
1479         *defperiod = pulse_def_period[This->dataflow == eCapture];
1480     if (minperiod)
1481         *minperiod = pulse_min_period[This->dataflow == eCapture];
1482
1483     return S_OK;
1484 }
1485
1486 static HRESULT WINAPI AudioClient_Start(IAudioClient *iface)
1487 {
1488     ACImpl *This = impl_from_IAudioClient(iface);
1489     HRESULT hr = S_OK;
1490     int success;
1491     pa_operation *o;
1492
1493     TRACE("(%p)\n", This);
1494
1495     pthread_mutex_lock(&pulse_lock);
1496     hr = pulse_stream_valid(This);
1497     if (FAILED(hr)) {
1498         pthread_mutex_unlock(&pulse_lock);
1499         return hr;
1500     }
1501
1502     if ((This->flags & AUDCLNT_STREAMFLAGS_EVENTCALLBACK) && !This->event) {
1503         pthread_mutex_unlock(&pulse_lock);
1504         return AUDCLNT_E_EVENTHANDLE_NOT_SET;
1505     }
1506
1507     if (This->started) {
1508         pthread_mutex_unlock(&pulse_lock);
1509         return AUDCLNT_E_NOT_STOPPED;
1510     }
1511
1512     if (pa_stream_is_corked(This->stream)) {
1513         o = pa_stream_cork(This->stream, 0, pulse_op_cb, &success);
1514         if (o) {
1515             while(pa_operation_get_state(o) == PA_OPERATION_RUNNING)
1516                 pthread_cond_wait(&pulse_cond, &pulse_lock);
1517             pa_operation_unref(o);
1518         } else
1519             success = 0;
1520         if (!success)
1521             hr = E_FAIL;
1522     }
1523     if (SUCCEEDED(hr)) {
1524         This->started = TRUE;
1525         if (This->dataflow == eRender && This->event)
1526             pa_stream_set_latency_update_callback(This->stream, pulse_latency_callback, This);
1527     }
1528     pthread_mutex_unlock(&pulse_lock);
1529     return hr;
1530 }
1531
1532 static HRESULT WINAPI AudioClient_Stop(IAudioClient *iface)
1533 {
1534     ACImpl *This = impl_from_IAudioClient(iface);
1535     HRESULT hr = S_OK;
1536     pa_operation *o;
1537     int success;
1538
1539     TRACE("(%p)\n", This);
1540
1541     pthread_mutex_lock(&pulse_lock);
1542     hr = pulse_stream_valid(This);
1543     if (FAILED(hr)) {
1544         pthread_mutex_unlock(&pulse_lock);
1545         return hr;
1546     }
1547
1548     if (!This->started) {
1549         pthread_mutex_unlock(&pulse_lock);
1550         return S_FALSE;
1551     }
1552
1553     if (This->dataflow == eRender) {
1554         o = pa_stream_cork(This->stream, 1, pulse_op_cb, &success);
1555         if (o) {
1556             while(pa_operation_get_state(o) == PA_OPERATION_RUNNING)
1557                 pthread_cond_wait(&pulse_cond, &pulse_lock);
1558             pa_operation_unref(o);
1559         } else
1560             success = 0;
1561         if (!success)
1562             hr = E_FAIL;
1563     }
1564     if (SUCCEEDED(hr)) {
1565         This->started = FALSE;
1566     }
1567     pthread_mutex_unlock(&pulse_lock);
1568     return hr;
1569 }
1570
1571 static HRESULT WINAPI AudioClient_Reset(IAudioClient *iface)
1572 {
1573     ACImpl *This = impl_from_IAudioClient(iface);
1574     HRESULT hr = S_OK;
1575
1576     TRACE("(%p)\n", This);
1577
1578     pthread_mutex_lock(&pulse_lock);
1579     hr = pulse_stream_valid(This);
1580     if (FAILED(hr)) {
1581         pthread_mutex_unlock(&pulse_lock);
1582         return hr;
1583     }
1584
1585     if (This->started) {
1586         pthread_mutex_unlock(&pulse_lock);
1587         return AUDCLNT_E_NOT_STOPPED;
1588     }
1589
1590     if (This->locked) {
1591         pthread_mutex_unlock(&pulse_lock);
1592         return AUDCLNT_E_BUFFER_OPERATION_PENDING;
1593     }
1594
1595     if (This->dataflow == eRender) {
1596         /* If there is still data in the render buffer it needs to be removed from the server */
1597         int success = 0;
1598         if (This->pad) {
1599             pa_operation *o = pa_stream_flush(This->stream, pulse_op_cb, &success);
1600             if (o) {
1601                 while(pa_operation_get_state(o) == PA_OPERATION_RUNNING)
1602                     pthread_cond_wait(&pulse_cond, &pulse_lock);
1603                 pa_operation_unref(o);
1604             }
1605         }
1606         if (success || !This->pad)
1607             This->clock_lastpos = This->clock_written = This->pad = 0;
1608     } else {
1609         ACPacket *p;
1610         This->clock_written += This->pad;
1611         This->pad = 0;
1612
1613         if ((p = This->locked_ptr)) {
1614             This->locked_ptr = NULL;
1615             list_add_tail(&This->packet_free_head, &p->entry);
1616         }
1617         list_move_tail(&This->packet_free_head, &This->packet_filled_head);
1618     }
1619     pthread_mutex_unlock(&pulse_lock);
1620
1621     return hr;
1622 }
1623
1624 static HRESULT WINAPI AudioClient_SetEventHandle(IAudioClient *iface,
1625         HANDLE event)
1626 {
1627     ACImpl *This = impl_from_IAudioClient(iface);
1628     HRESULT hr;
1629
1630     TRACE("(%p)->(%p)\n", This, event);
1631
1632     if (!event)
1633         return E_INVALIDARG;
1634
1635     pthread_mutex_lock(&pulse_lock);
1636     hr = pulse_stream_valid(This);
1637     if (FAILED(hr)) {
1638         pthread_mutex_unlock(&pulse_lock);
1639         return hr;
1640     }
1641
1642     if (!(This->flags & AUDCLNT_STREAMFLAGS_EVENTCALLBACK))
1643         hr = AUDCLNT_E_EVENTHANDLE_NOT_EXPECTED;
1644     else if (This->event)
1645         hr = HRESULT_FROM_WIN32(ERROR_INVALID_NAME);
1646     else
1647         This->event = event;
1648     pthread_mutex_unlock(&pulse_lock);
1649     return hr;
1650 }
1651
1652 static HRESULT WINAPI AudioClient_GetService(IAudioClient *iface, REFIID riid,
1653         void **ppv)
1654 {
1655     ACImpl *This = impl_from_IAudioClient(iface);
1656     HRESULT hr;
1657
1658     TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(riid), ppv);
1659
1660     if (!ppv)
1661         return E_POINTER;
1662     *ppv = NULL;
1663
1664     pthread_mutex_lock(&pulse_lock);
1665     hr = pulse_stream_valid(This);
1666     pthread_mutex_unlock(&pulse_lock);
1667     if (FAILED(hr))
1668         return hr;
1669
1670     if (IsEqualIID(riid, &IID_IAudioRenderClient)) {
1671         if (This->dataflow != eRender)
1672             return AUDCLNT_E_WRONG_ENDPOINT_TYPE;
1673         *ppv = &This->IAudioRenderClient_iface;
1674     } else if (IsEqualIID(riid, &IID_IAudioCaptureClient)) {
1675         if (This->dataflow != eCapture)
1676             return AUDCLNT_E_WRONG_ENDPOINT_TYPE;
1677         *ppv = &This->IAudioCaptureClient_iface;
1678     } else if (IsEqualIID(riid, &IID_IAudioClock)) {
1679         *ppv = &This->IAudioClock_iface;
1680     } else if (IsEqualIID(riid, &IID_IAudioStreamVolume)) {
1681         *ppv = &This->IAudioStreamVolume_iface;
1682     } else if (IsEqualIID(riid, &IID_IAudioSessionControl) ||
1683                IsEqualIID(riid, &IID_IChannelAudioVolume) ||
1684                IsEqualIID(riid, &IID_ISimpleAudioVolume)) {
1685         if (!This->session_wrapper) {
1686             This->session_wrapper = AudioSessionWrapper_Create(This);
1687             if (!This->session_wrapper)
1688                 return E_OUTOFMEMORY;
1689         }
1690         if (IsEqualIID(riid, &IID_IAudioSessionControl))
1691             *ppv = &This->session_wrapper->IAudioSessionControl2_iface;
1692         else if (IsEqualIID(riid, &IID_IChannelAudioVolume))
1693             *ppv = &This->session_wrapper->IChannelAudioVolume_iface;
1694         else if (IsEqualIID(riid, &IID_ISimpleAudioVolume))
1695             *ppv = &This->session_wrapper->ISimpleAudioVolume_iface;
1696     }
1697
1698     if (*ppv) {
1699         IUnknown_AddRef((IUnknown*)*ppv);
1700         return S_OK;
1701     }
1702
1703     FIXME("stub %s\n", debugstr_guid(riid));
1704     return E_NOINTERFACE;
1705 }
1706
1707 static const IAudioClientVtbl AudioClient_Vtbl =
1708 {
1709     AudioClient_QueryInterface,
1710     AudioClient_AddRef,
1711     AudioClient_Release,
1712     AudioClient_Initialize,
1713     AudioClient_GetBufferSize,
1714     AudioClient_GetStreamLatency,
1715     AudioClient_GetCurrentPadding,
1716     AudioClient_IsFormatSupported,
1717     AudioClient_GetMixFormat,
1718     AudioClient_GetDevicePeriod,
1719     AudioClient_Start,
1720     AudioClient_Stop,
1721     AudioClient_Reset,
1722     AudioClient_SetEventHandle,
1723     AudioClient_GetService
1724 };
1725
1726 static HRESULT WINAPI AudioRenderClient_QueryInterface(
1727         IAudioRenderClient *iface, REFIID riid, void **ppv)
1728 {
1729     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
1730
1731     if (!ppv)
1732         return E_POINTER;
1733     *ppv = NULL;
1734
1735     if (IsEqualIID(riid, &IID_IUnknown) ||
1736         IsEqualIID(riid, &IID_IAudioRenderClient))
1737         *ppv = iface;
1738     if (*ppv) {
1739         IUnknown_AddRef((IUnknown*)*ppv);
1740         return S_OK;
1741     }
1742
1743     WARN("Unknown interface %s\n", debugstr_guid(riid));
1744     return E_NOINTERFACE;
1745 }
1746
1747 static ULONG WINAPI AudioRenderClient_AddRef(IAudioRenderClient *iface)
1748 {
1749     ACImpl *This = impl_from_IAudioRenderClient(iface);
1750     return AudioClient_AddRef(&This->IAudioClient_iface);
1751 }
1752
1753 static ULONG WINAPI AudioRenderClient_Release(IAudioRenderClient *iface)
1754 {
1755     ACImpl *This = impl_from_IAudioRenderClient(iface);
1756     return AudioClient_Release(&This->IAudioClient_iface);
1757 }
1758
1759 static HRESULT WINAPI AudioRenderClient_GetBuffer(IAudioRenderClient *iface,
1760         UINT32 frames, BYTE **data)
1761 {
1762     ACImpl *This = impl_from_IAudioRenderClient(iface);
1763     size_t avail, req, bytes = frames * pa_frame_size(&This->ss);
1764     UINT32 pad;
1765     HRESULT hr = S_OK;
1766     int ret = -1;
1767
1768     TRACE("(%p)->(%u, %p)\n", This, frames, data);
1769
1770     if (!data)
1771         return E_POINTER;
1772     *data = NULL;
1773
1774     pthread_mutex_lock(&pulse_lock);
1775     hr = pulse_stream_valid(This);
1776     if (FAILED(hr) || This->locked) {
1777         pthread_mutex_unlock(&pulse_lock);
1778         return FAILED(hr) ? hr : AUDCLNT_E_OUT_OF_ORDER;
1779     }
1780     if (!frames) {
1781         pthread_mutex_unlock(&pulse_lock);
1782         return S_OK;
1783     }
1784
1785     ACImpl_GetRenderPad(This, &pad);
1786     avail = This->bufsize_frames - pad;
1787     if (avail < frames || bytes > This->bufsize_bytes) {
1788         pthread_mutex_unlock(&pulse_lock);
1789         WARN("Wanted to write %u, but only %zu available\n", frames, avail);
1790         return AUDCLNT_E_BUFFER_TOO_LARGE;
1791     }
1792
1793     This->locked = frames;
1794     req = bytes;
1795     ret = pa_stream_begin_write(This->stream, &This->locked_ptr, &req);
1796     if (ret < 0 || req < bytes) {
1797         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);
1798         if (ret >= 0)
1799             pa_stream_cancel_write(This->stream);
1800         *data = This->tmp_buffer;
1801         This->locked_ptr = NULL;
1802     } else
1803         *data = This->locked_ptr;
1804     pthread_mutex_unlock(&pulse_lock);
1805     return hr;
1806 }
1807
1808 static HRESULT WINAPI AudioRenderClient_ReleaseBuffer(
1809         IAudioRenderClient *iface, UINT32 written_frames, DWORD flags)
1810 {
1811     ACImpl *This = impl_from_IAudioRenderClient(iface);
1812     UINT32 written_bytes = written_frames * pa_frame_size(&This->ss);
1813
1814     TRACE("(%p)->(%u, %x)\n", This, written_frames, flags);
1815
1816     pthread_mutex_lock(&pulse_lock);
1817     if (!This->locked || !written_frames) {
1818         if (This->locked_ptr)
1819             pa_stream_cancel_write(This->stream);
1820         This->locked = 0;
1821         This->locked_ptr = NULL;
1822         pthread_mutex_unlock(&pulse_lock);
1823         return written_frames ? AUDCLNT_E_OUT_OF_ORDER : S_OK;
1824     }
1825
1826     if (This->locked < written_frames) {
1827         pthread_mutex_unlock(&pulse_lock);
1828         return AUDCLNT_E_INVALID_SIZE;
1829     }
1830
1831     if (flags & AUDCLNT_BUFFERFLAGS_SILENT) {
1832         if (This->ss.format == PA_SAMPLE_U8)
1833             memset(This->tmp_buffer, 128, written_bytes);
1834         else
1835             memset(This->tmp_buffer, 0, written_bytes);
1836     }
1837
1838     This->locked = 0;
1839     if (This->locked_ptr)
1840         pa_stream_write(This->stream, This->locked_ptr, written_bytes, NULL, 0, PA_SEEK_RELATIVE);
1841     else
1842         pa_stream_write(This->stream, This->tmp_buffer, written_bytes, NULL, 0, PA_SEEK_RELATIVE);
1843     This->pad += written_bytes;
1844     This->locked_ptr = NULL;
1845     TRACE("Released %u, pad %zu\n", written_frames, This->pad / pa_frame_size(&This->ss));
1846     assert(This->pad <= This->bufsize_bytes);
1847     pthread_mutex_unlock(&pulse_lock);
1848     return S_OK;
1849 }
1850
1851 static const IAudioRenderClientVtbl AudioRenderClient_Vtbl = {
1852     AudioRenderClient_QueryInterface,
1853     AudioRenderClient_AddRef,
1854     AudioRenderClient_Release,
1855     AudioRenderClient_GetBuffer,
1856     AudioRenderClient_ReleaseBuffer
1857 };
1858
1859 static HRESULT WINAPI AudioCaptureClient_QueryInterface(
1860         IAudioCaptureClient *iface, REFIID riid, void **ppv)
1861 {
1862     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
1863
1864     if (!ppv)
1865         return E_POINTER;
1866     *ppv = NULL;
1867
1868     if (IsEqualIID(riid, &IID_IUnknown) ||
1869         IsEqualIID(riid, &IID_IAudioCaptureClient))
1870         *ppv = iface;
1871     if (*ppv) {
1872         IUnknown_AddRef((IUnknown*)*ppv);
1873         return S_OK;
1874     }
1875
1876     WARN("Unknown interface %s\n", debugstr_guid(riid));
1877     return E_NOINTERFACE;
1878 }
1879
1880 static ULONG WINAPI AudioCaptureClient_AddRef(IAudioCaptureClient *iface)
1881 {
1882     ACImpl *This = impl_from_IAudioCaptureClient(iface);
1883     return IAudioClient_AddRef(&This->IAudioClient_iface);
1884 }
1885
1886 static ULONG WINAPI AudioCaptureClient_Release(IAudioCaptureClient *iface)
1887 {
1888     ACImpl *This = impl_from_IAudioCaptureClient(iface);
1889     return IAudioClient_Release(&This->IAudioClient_iface);
1890 }
1891
1892 static HRESULT WINAPI AudioCaptureClient_GetBuffer(IAudioCaptureClient *iface,
1893         BYTE **data, UINT32 *frames, DWORD *flags, UINT64 *devpos,
1894         UINT64 *qpcpos)
1895 {
1896     ACImpl *This = impl_from_IAudioCaptureClient(iface);
1897     HRESULT hr;
1898     ACPacket *packet;
1899
1900     TRACE("(%p)->(%p, %p, %p, %p, %p)\n", This, data, frames, flags,
1901             devpos, qpcpos);
1902
1903     if (!data || !frames || !flags)
1904         return E_POINTER;
1905
1906     pthread_mutex_lock(&pulse_lock);
1907     hr = pulse_stream_valid(This);
1908     if (FAILED(hr) || This->locked) {
1909         pthread_mutex_unlock(&pulse_lock);
1910         return FAILED(hr) ? hr : AUDCLNT_E_OUT_OF_ORDER;
1911     }
1912
1913     ACImpl_GetCapturePad(This, NULL);
1914     if ((packet = This->locked_ptr)) {
1915         *frames = This->capture_period / pa_frame_size(&This->ss);
1916         *flags = 0;
1917         if (packet->discont)
1918             *flags |= AUDCLNT_BUFFERFLAGS_DATA_DISCONTINUITY;
1919         if (devpos) {
1920             if (packet->discont)
1921                 *devpos = (This->clock_written + This->capture_period) / pa_frame_size(&This->ss);
1922             else
1923                 *devpos = This->clock_written / pa_frame_size(&This->ss);
1924         }
1925         if (qpcpos)
1926             *qpcpos = packet->qpcpos;
1927         *data = packet->data;
1928     }
1929     else
1930         *frames = 0;
1931     This->locked = *frames;
1932     pthread_mutex_unlock(&pulse_lock);
1933     return *frames ? S_OK : AUDCLNT_S_BUFFER_EMPTY;
1934 }
1935
1936 static HRESULT WINAPI AudioCaptureClient_ReleaseBuffer(
1937         IAudioCaptureClient *iface, UINT32 done)
1938 {
1939     ACImpl *This = impl_from_IAudioCaptureClient(iface);
1940
1941     TRACE("(%p)->(%u)\n", This, done);
1942
1943     pthread_mutex_lock(&pulse_lock);
1944     if (!This->locked && done) {
1945         pthread_mutex_unlock(&pulse_lock);
1946         return AUDCLNT_E_OUT_OF_ORDER;
1947     }
1948     if (done && This->locked != done) {
1949         pthread_mutex_unlock(&pulse_lock);
1950         return AUDCLNT_E_INVALID_SIZE;
1951     }
1952     if (done) {
1953         ACPacket *packet = This->locked_ptr;
1954         This->locked_ptr = NULL;
1955         This->pad -= This->capture_period;
1956         if (packet->discont)
1957             This->clock_written += 2 * This->capture_period;
1958         else
1959             This->clock_written += This->capture_period;
1960         list_add_tail(&This->packet_free_head, &packet->entry);
1961     }
1962     This->locked = 0;
1963     pthread_mutex_unlock(&pulse_lock);
1964     return S_OK;
1965 }
1966
1967 static HRESULT WINAPI AudioCaptureClient_GetNextPacketSize(
1968         IAudioCaptureClient *iface, UINT32 *frames)
1969 {
1970     ACImpl *This = impl_from_IAudioCaptureClient(iface);
1971     ACPacket *p;
1972
1973     TRACE("(%p)->(%p)\n", This, frames);
1974     if (!frames)
1975         return E_POINTER;
1976
1977     pthread_mutex_lock(&pulse_lock);
1978     ACImpl_GetCapturePad(This, NULL);
1979     p = This->locked_ptr;
1980     if (p)
1981         *frames = This->capture_period / pa_frame_size(&This->ss);
1982     else
1983         *frames = 0;
1984     pthread_mutex_unlock(&pulse_lock);
1985     return S_OK;
1986 }
1987
1988 static const IAudioCaptureClientVtbl AudioCaptureClient_Vtbl =
1989 {
1990     AudioCaptureClient_QueryInterface,
1991     AudioCaptureClient_AddRef,
1992     AudioCaptureClient_Release,
1993     AudioCaptureClient_GetBuffer,
1994     AudioCaptureClient_ReleaseBuffer,
1995     AudioCaptureClient_GetNextPacketSize
1996 };
1997
1998 static HRESULT WINAPI AudioClock_QueryInterface(IAudioClock *iface,
1999         REFIID riid, void **ppv)
2000 {
2001     ACImpl *This = impl_from_IAudioClock(iface);
2002
2003     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2004
2005     if (!ppv)
2006         return E_POINTER;
2007     *ppv = NULL;
2008
2009     if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IAudioClock))
2010         *ppv = iface;
2011     else if (IsEqualIID(riid, &IID_IAudioClock2))
2012         *ppv = &This->IAudioClock2_iface;
2013     if (*ppv) {
2014         IUnknown_AddRef((IUnknown*)*ppv);
2015         return S_OK;
2016     }
2017
2018     WARN("Unknown interface %s\n", debugstr_guid(riid));
2019     return E_NOINTERFACE;
2020 }
2021
2022 static ULONG WINAPI AudioClock_AddRef(IAudioClock *iface)
2023 {
2024     ACImpl *This = impl_from_IAudioClock(iface);
2025     return IAudioClient_AddRef(&This->IAudioClient_iface);
2026 }
2027
2028 static ULONG WINAPI AudioClock_Release(IAudioClock *iface)
2029 {
2030     ACImpl *This = impl_from_IAudioClock(iface);
2031     return IAudioClient_Release(&This->IAudioClient_iface);
2032 }
2033
2034 static HRESULT WINAPI AudioClock_GetFrequency(IAudioClock *iface, UINT64 *freq)
2035 {
2036     ACImpl *This = impl_from_IAudioClock(iface);
2037     HRESULT hr;
2038
2039     TRACE("(%p)->(%p)\n", This, freq);
2040
2041     pthread_mutex_lock(&pulse_lock);
2042     hr = pulse_stream_valid(This);
2043     if (SUCCEEDED(hr))
2044         *freq = This->ss.rate * pa_frame_size(&This->ss);
2045     pthread_mutex_unlock(&pulse_lock);
2046     return hr;
2047 }
2048
2049 static HRESULT WINAPI AudioClock_GetPosition(IAudioClock *iface, UINT64 *pos,
2050         UINT64 *qpctime)
2051 {
2052     ACImpl *This = impl_from_IAudioClock(iface);
2053     HRESULT hr;
2054
2055     TRACE("(%p)->(%p, %p)\n", This, pos, qpctime);
2056
2057     if (!pos)
2058         return E_POINTER;
2059
2060     pthread_mutex_lock(&pulse_lock);
2061     hr = pulse_stream_valid(This);
2062     if (FAILED(hr)) {
2063         pthread_mutex_unlock(&pulse_lock);
2064         return hr;
2065     }
2066
2067     *pos = This->clock_written;
2068
2069     /* Make time never go backwards */
2070     if (*pos < This->clock_lastpos)
2071         *pos = This->clock_lastpos;
2072     else
2073         This->clock_lastpos = *pos;
2074     pthread_mutex_unlock(&pulse_lock);
2075
2076     TRACE("%p Position: %u\n", This, (unsigned)*pos);
2077
2078     if (qpctime) {
2079         LARGE_INTEGER stamp, freq;
2080         QueryPerformanceCounter(&stamp);
2081         QueryPerformanceFrequency(&freq);
2082         *qpctime = (stamp.QuadPart * (INT64)10000000) / freq.QuadPart;
2083     }
2084
2085     return S_OK;
2086 }
2087
2088 static HRESULT WINAPI AudioClock_GetCharacteristics(IAudioClock *iface,
2089         DWORD *chars)
2090 {
2091     ACImpl *This = impl_from_IAudioClock(iface);
2092
2093     TRACE("(%p)->(%p)\n", This, chars);
2094
2095     if (!chars)
2096         return E_POINTER;
2097
2098     *chars = AUDIOCLOCK_CHARACTERISTIC_FIXED_FREQ;
2099
2100     return S_OK;
2101 }
2102
2103 static const IAudioClockVtbl AudioClock_Vtbl =
2104 {
2105     AudioClock_QueryInterface,
2106     AudioClock_AddRef,
2107     AudioClock_Release,
2108     AudioClock_GetFrequency,
2109     AudioClock_GetPosition,
2110     AudioClock_GetCharacteristics
2111 };
2112
2113 static HRESULT WINAPI AudioClock2_QueryInterface(IAudioClock2 *iface,
2114         REFIID riid, void **ppv)
2115 {
2116     ACImpl *This = impl_from_IAudioClock2(iface);
2117     return IAudioClock_QueryInterface(&This->IAudioClock_iface, riid, ppv);
2118 }
2119
2120 static ULONG WINAPI AudioClock2_AddRef(IAudioClock2 *iface)
2121 {
2122     ACImpl *This = impl_from_IAudioClock2(iface);
2123     return IAudioClient_AddRef(&This->IAudioClient_iface);
2124 }
2125
2126 static ULONG WINAPI AudioClock2_Release(IAudioClock2 *iface)
2127 {
2128     ACImpl *This = impl_from_IAudioClock2(iface);
2129     return IAudioClient_Release(&This->IAudioClient_iface);
2130 }
2131
2132 static HRESULT WINAPI AudioClock2_GetDevicePosition(IAudioClock2 *iface,
2133         UINT64 *pos, UINT64 *qpctime)
2134 {
2135     ACImpl *This = impl_from_IAudioClock2(iface);
2136     HRESULT hr = AudioClock_GetPosition(&This->IAudioClock_iface, pos, qpctime);
2137     if (SUCCEEDED(hr))
2138         *pos /= pa_frame_size(&This->ss);
2139     return hr;
2140 }
2141
2142 static const IAudioClock2Vtbl AudioClock2_Vtbl =
2143 {
2144     AudioClock2_QueryInterface,
2145     AudioClock2_AddRef,
2146     AudioClock2_Release,
2147     AudioClock2_GetDevicePosition
2148 };
2149
2150 static HRESULT WINAPI AudioStreamVolume_QueryInterface(
2151         IAudioStreamVolume *iface, REFIID riid, void **ppv)
2152 {
2153     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2154
2155     if (!ppv)
2156         return E_POINTER;
2157     *ppv = NULL;
2158
2159     if (IsEqualIID(riid, &IID_IUnknown) ||
2160         IsEqualIID(riid, &IID_IAudioStreamVolume))
2161         *ppv = iface;
2162     if (*ppv) {
2163         IUnknown_AddRef((IUnknown*)*ppv);
2164         return S_OK;
2165     }
2166
2167     WARN("Unknown interface %s\n", debugstr_guid(riid));
2168     return E_NOINTERFACE;
2169 }
2170
2171 static ULONG WINAPI AudioStreamVolume_AddRef(IAudioStreamVolume *iface)
2172 {
2173     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2174     return IAudioClient_AddRef(&This->IAudioClient_iface);
2175 }
2176
2177 static ULONG WINAPI AudioStreamVolume_Release(IAudioStreamVolume *iface)
2178 {
2179     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2180     return IAudioClient_Release(&This->IAudioClient_iface);
2181 }
2182
2183 static HRESULT WINAPI AudioStreamVolume_GetChannelCount(
2184         IAudioStreamVolume *iface, UINT32 *out)
2185 {
2186     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2187
2188     TRACE("(%p)->(%p)\n", This, out);
2189
2190     if (!out)
2191         return E_POINTER;
2192
2193     *out = This->ss.channels;
2194
2195     return S_OK;
2196 }
2197
2198 struct pulse_info_cb_data {
2199     UINT32 n;
2200     float *levels;
2201 };
2202
2203 static void pulse_sink_input_info_cb(pa_context *c, const pa_sink_input_info *info, int eol, void *data)
2204 {
2205     struct pulse_info_cb_data *d = data;
2206     int i;
2207     if (eol)
2208         return;
2209     for (i = 0; i < d->n; ++i)
2210         d->levels[i] = (float)info->volume.values[i] / (float)PA_VOLUME_NORM;
2211     pthread_cond_signal(&pulse_cond);
2212 }
2213
2214 static void pulse_source_info_cb(pa_context *c, const pa_source_info *info, int eol, void *data)
2215 {
2216     struct pulse_info_cb_data *d = data;
2217     int i;
2218     if (eol)
2219         return;
2220     for (i = 0; i < d->n; ++i)
2221         d->levels[i] = (float)info->volume.values[i] / (float)PA_VOLUME_NORM;
2222     pthread_cond_signal(&pulse_cond);
2223 }
2224
2225 static HRESULT WINAPI AudioStreamVolume_SetAllVolumes(
2226         IAudioStreamVolume *iface, UINT32 count, const float *levels)
2227 {
2228     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2229     pa_operation *o;
2230     HRESULT hr;
2231     int success = 0, i;
2232     pa_cvolume cv;
2233
2234     TRACE("(%p)->(%d, %p)\n", This, count, levels);
2235
2236     if (!levels)
2237         return E_POINTER;
2238
2239     if (count != This->ss.channels)
2240         return E_INVALIDARG;
2241
2242     pthread_mutex_lock(&pulse_lock);
2243     hr = pulse_stream_valid(This);
2244     if (FAILED(hr))
2245         goto out;
2246
2247     if (pulse_stream_volume) {
2248         cv.channels = count;
2249         for (i = 0; i < cv.channels; ++i)
2250             cv.values[i] = levels[i] * (float)PA_VOLUME_NORM;
2251         if (This->dataflow == eRender)
2252             o = pa_context_set_sink_input_volume(pulse_ctx, pa_stream_get_index(This->stream), &cv, pulse_ctx_op_cb, &success);
2253         else
2254             o = pa_context_set_source_volume_by_index(pulse_ctx, pa_stream_get_device_index(This->stream), &cv, pulse_ctx_op_cb, &success);
2255         if (o) {
2256             while(pa_operation_get_state(o) == PA_OPERATION_RUNNING)
2257                 pthread_cond_wait(&pulse_cond, &pulse_lock);
2258             pa_operation_unref(o);
2259         }
2260         if (!success)
2261             hr = AUDCLNT_E_BUFFER_ERROR;
2262     } else {
2263         int i;
2264         for (i = 0; i < count; ++i)
2265             This->vol[i] = levels[i];
2266     }
2267
2268 out:
2269     pthread_mutex_unlock(&pulse_lock);
2270     return hr;
2271 }
2272
2273 static HRESULT WINAPI AudioStreamVolume_GetAllVolumes(
2274         IAudioStreamVolume *iface, UINT32 count, float *levels)
2275 {
2276     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2277     pa_operation *o;
2278     HRESULT hr;
2279     struct pulse_info_cb_data info;
2280
2281     TRACE("(%p)->(%d, %p)\n", This, count, levels);
2282
2283     if (!levels)
2284         return E_POINTER;
2285
2286     if (count != This->ss.channels)
2287         return E_INVALIDARG;
2288
2289     pthread_mutex_lock(&pulse_lock);
2290     hr = pulse_stream_valid(This);
2291     if (FAILED(hr))
2292         goto out;
2293
2294     if (pulse_stream_volume) {
2295         info.n = count;
2296         info.levels = levels;
2297         if (This->dataflow == eRender)
2298             o = pa_context_get_sink_input_info(pulse_ctx, pa_stream_get_index(This->stream), pulse_sink_input_info_cb, &info);
2299         else
2300             o = pa_context_get_source_info_by_index(pulse_ctx, pa_stream_get_device_index(This->stream), pulse_source_info_cb, &info);
2301         if (o) {
2302             while(pa_operation_get_state(o) == PA_OPERATION_RUNNING)
2303                 pthread_cond_wait(&pulse_cond, &pulse_lock);
2304             pa_operation_unref(o);
2305         } else
2306             hr = AUDCLNT_E_BUFFER_ERROR;
2307     } else {
2308         int i;
2309         for (i = 0; i < count; ++i)
2310             levels[i] = This->vol[i];
2311     }
2312
2313 out:
2314     pthread_mutex_unlock(&pulse_lock);
2315     return hr;
2316 }
2317
2318 static HRESULT WINAPI AudioStreamVolume_SetChannelVolume(
2319         IAudioStreamVolume *iface, UINT32 index, float level)
2320 {
2321     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2322     HRESULT hr;
2323     float volumes[PA_CHANNELS_MAX];
2324
2325     TRACE("(%p)->(%d, %f)\n", This, index, level);
2326
2327     if (level < 0.f || level > 1.f)
2328         return E_INVALIDARG;
2329
2330     if (index >= This->ss.channels)
2331         return E_INVALIDARG;
2332
2333     hr = AudioStreamVolume_GetAllVolumes(iface, This->ss.channels, volumes);
2334     volumes[index] = level;
2335     if (SUCCEEDED(hr))
2336         hr = AudioStreamVolume_SetAllVolumes(iface, This->ss.channels, volumes);
2337     return hr;
2338 }
2339
2340 static HRESULT WINAPI AudioStreamVolume_GetChannelVolume(
2341         IAudioStreamVolume *iface, UINT32 index, float *level)
2342 {
2343     ACImpl *This = impl_from_IAudioStreamVolume(iface);
2344     float volumes[PA_CHANNELS_MAX];
2345     HRESULT hr;
2346
2347     TRACE("(%p)->(%d, %p)\n", This, index, level);
2348
2349     if (!level)
2350         return E_POINTER;
2351
2352     if (index >= This->ss.channels)
2353         return E_INVALIDARG;
2354
2355     hr = AudioStreamVolume_GetAllVolumes(iface, This->ss.channels, volumes);
2356     if (SUCCEEDED(hr))
2357         *level = volumes[index];
2358     return hr;
2359 }
2360
2361 static const IAudioStreamVolumeVtbl AudioStreamVolume_Vtbl =
2362 {
2363     AudioStreamVolume_QueryInterface,
2364     AudioStreamVolume_AddRef,
2365     AudioStreamVolume_Release,
2366     AudioStreamVolume_GetChannelCount,
2367     AudioStreamVolume_SetChannelVolume,
2368     AudioStreamVolume_GetChannelVolume,
2369     AudioStreamVolume_SetAllVolumes,
2370     AudioStreamVolume_GetAllVolumes
2371 };
2372
2373 static AudioSessionWrapper *AudioSessionWrapper_Create(ACImpl *client)
2374 {
2375     AudioSessionWrapper *ret;
2376
2377     ret = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
2378             sizeof(AudioSessionWrapper));
2379     if (!ret)
2380         return NULL;
2381
2382     ret->IAudioSessionControl2_iface.lpVtbl = &AudioSessionControl2_Vtbl;
2383     ret->ISimpleAudioVolume_iface.lpVtbl = &SimpleAudioVolume_Vtbl;
2384     ret->IChannelAudioVolume_iface.lpVtbl = &ChannelAudioVolume_Vtbl;
2385
2386     ret->ref = !client;
2387
2388     ret->client = client;
2389     if (client) {
2390         ret->session = client->session;
2391         AudioClient_AddRef(&client->IAudioClient_iface);
2392     }
2393
2394     return ret;
2395 }
2396
2397 static HRESULT WINAPI AudioSessionControl_QueryInterface(
2398         IAudioSessionControl2 *iface, REFIID riid, void **ppv)
2399 {
2400     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2401
2402     if (!ppv)
2403         return E_POINTER;
2404     *ppv = NULL;
2405
2406     if (IsEqualIID(riid, &IID_IUnknown) ||
2407         IsEqualIID(riid, &IID_IAudioSessionControl) ||
2408         IsEqualIID(riid, &IID_IAudioSessionControl2))
2409         *ppv = iface;
2410     if (*ppv) {
2411         IUnknown_AddRef((IUnknown*)*ppv);
2412         return S_OK;
2413     }
2414
2415     WARN("Unknown interface %s\n", debugstr_guid(riid));
2416     return E_NOINTERFACE;
2417 }
2418
2419 static ULONG WINAPI AudioSessionControl_AddRef(IAudioSessionControl2 *iface)
2420 {
2421     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2422     ULONG ref;
2423     ref = InterlockedIncrement(&This->ref);
2424     TRACE("(%p) Refcount now %u\n", This, ref);
2425     return ref;
2426 }
2427
2428 static ULONG WINAPI AudioSessionControl_Release(IAudioSessionControl2 *iface)
2429 {
2430     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2431     ULONG ref;
2432     ref = InterlockedDecrement(&This->ref);
2433     TRACE("(%p) Refcount now %u\n", This, ref);
2434     if (!ref) {
2435         if (This->client) {
2436             This->client->session_wrapper = NULL;
2437             AudioClient_Release(&This->client->IAudioClient_iface);
2438         }
2439         HeapFree(GetProcessHeap(), 0, This);
2440     }
2441     return ref;
2442 }
2443
2444 static HRESULT WINAPI AudioSessionControl_GetState(IAudioSessionControl2 *iface,
2445         AudioSessionState *state)
2446 {
2447     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2448     ACImpl *client;
2449
2450     TRACE("(%p)->(%p)\n", This, state);
2451
2452     if (!state)
2453         return NULL_PTR_ERR;
2454
2455     pthread_mutex_lock(&pulse_lock);
2456     if (list_empty(&This->session->clients)) {
2457         *state = AudioSessionStateExpired;
2458         goto out;
2459     }
2460     LIST_FOR_EACH_ENTRY(client, &This->session->clients, ACImpl, entry) {
2461         if (client->started) {
2462             *state = AudioSessionStateActive;
2463             goto out;
2464         }
2465     }
2466     *state = AudioSessionStateInactive;
2467
2468 out:
2469     pthread_mutex_unlock(&pulse_lock);
2470     return S_OK;
2471 }
2472
2473 static HRESULT WINAPI AudioSessionControl_GetDisplayName(
2474         IAudioSessionControl2 *iface, WCHAR **name)
2475 {
2476     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2477
2478     FIXME("(%p)->(%p) - stub\n", This, name);
2479
2480     return E_NOTIMPL;
2481 }
2482
2483 static HRESULT WINAPI AudioSessionControl_SetDisplayName(
2484         IAudioSessionControl2 *iface, const WCHAR *name, const GUID *session)
2485 {
2486     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2487
2488     FIXME("(%p)->(%p, %s) - stub\n", This, name, debugstr_guid(session));
2489
2490     return E_NOTIMPL;
2491 }
2492
2493 static HRESULT WINAPI AudioSessionControl_GetIconPath(
2494         IAudioSessionControl2 *iface, WCHAR **path)
2495 {
2496     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2497
2498     FIXME("(%p)->(%p) - stub\n", This, path);
2499
2500     return E_NOTIMPL;
2501 }
2502
2503 static HRESULT WINAPI AudioSessionControl_SetIconPath(
2504         IAudioSessionControl2 *iface, const WCHAR *path, const GUID *session)
2505 {
2506     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2507
2508     FIXME("(%p)->(%p, %s) - stub\n", This, path, debugstr_guid(session));
2509
2510     return E_NOTIMPL;
2511 }
2512
2513 static HRESULT WINAPI AudioSessionControl_GetGroupingParam(
2514         IAudioSessionControl2 *iface, GUID *group)
2515 {
2516     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2517
2518     FIXME("(%p)->(%p) - stub\n", This, group);
2519
2520     return E_NOTIMPL;
2521 }
2522
2523 static HRESULT WINAPI AudioSessionControl_SetGroupingParam(
2524         IAudioSessionControl2 *iface, const GUID *group, const GUID *session)
2525 {
2526     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2527
2528     FIXME("(%p)->(%s, %s) - stub\n", This, debugstr_guid(group),
2529             debugstr_guid(session));
2530
2531     return E_NOTIMPL;
2532 }
2533
2534 static HRESULT WINAPI AudioSessionControl_RegisterAudioSessionNotification(
2535         IAudioSessionControl2 *iface, IAudioSessionEvents *events)
2536 {
2537     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2538
2539     FIXME("(%p)->(%p) - stub\n", This, events);
2540
2541     return S_OK;
2542 }
2543
2544 static HRESULT WINAPI AudioSessionControl_UnregisterAudioSessionNotification(
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_GetSessionIdentifier(
2555         IAudioSessionControl2 *iface, WCHAR **id)
2556 {
2557     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2558
2559     FIXME("(%p)->(%p) - stub\n", This, id);
2560
2561     return E_NOTIMPL;
2562 }
2563
2564 static HRESULT WINAPI AudioSessionControl_GetSessionInstanceIdentifier(
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_GetProcessId(
2575         IAudioSessionControl2 *iface, DWORD *pid)
2576 {
2577     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2578
2579     TRACE("(%p)->(%p)\n", This, pid);
2580
2581     if (!pid)
2582         return E_POINTER;
2583
2584     *pid = GetCurrentProcessId();
2585
2586     return S_OK;
2587 }
2588
2589 static HRESULT WINAPI AudioSessionControl_IsSystemSoundsSession(
2590         IAudioSessionControl2 *iface)
2591 {
2592     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2593
2594     TRACE("(%p)\n", This);
2595
2596     return S_FALSE;
2597 }
2598
2599 static HRESULT WINAPI AudioSessionControl_SetDuckingPreference(
2600         IAudioSessionControl2 *iface, BOOL optout)
2601 {
2602     AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
2603
2604     TRACE("(%p)->(%d)\n", This, optout);
2605
2606     return S_OK;
2607 }
2608
2609 static const IAudioSessionControl2Vtbl AudioSessionControl2_Vtbl =
2610 {
2611     AudioSessionControl_QueryInterface,
2612     AudioSessionControl_AddRef,
2613     AudioSessionControl_Release,
2614     AudioSessionControl_GetState,
2615     AudioSessionControl_GetDisplayName,
2616     AudioSessionControl_SetDisplayName,
2617     AudioSessionControl_GetIconPath,
2618     AudioSessionControl_SetIconPath,
2619     AudioSessionControl_GetGroupingParam,
2620     AudioSessionControl_SetGroupingParam,
2621     AudioSessionControl_RegisterAudioSessionNotification,
2622     AudioSessionControl_UnregisterAudioSessionNotification,
2623     AudioSessionControl_GetSessionIdentifier,
2624     AudioSessionControl_GetSessionInstanceIdentifier,
2625     AudioSessionControl_GetProcessId,
2626     AudioSessionControl_IsSystemSoundsSession,
2627     AudioSessionControl_SetDuckingPreference
2628 };
2629
2630 typedef struct _SessionMgr {
2631     IAudioSessionManager2 IAudioSessionManager2_iface;
2632
2633     LONG ref;
2634
2635     IMMDevice *device;
2636 } SessionMgr;
2637
2638 static HRESULT WINAPI AudioSessionManager_QueryInterface(IAudioSessionManager2 *iface,
2639         REFIID riid, void **ppv)
2640 {
2641     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2642
2643     if (!ppv)
2644         return E_POINTER;
2645     *ppv = NULL;
2646
2647     if (IsEqualIID(riid, &IID_IUnknown) ||
2648         IsEqualIID(riid, &IID_IAudioSessionManager) ||
2649         IsEqualIID(riid, &IID_IAudioSessionManager2))
2650         *ppv = iface;
2651     if (*ppv) {
2652         IUnknown_AddRef((IUnknown*)*ppv);
2653         return S_OK;
2654     }
2655
2656     WARN("Unknown interface %s\n", debugstr_guid(riid));
2657     return E_NOINTERFACE;
2658 }
2659
2660 static inline SessionMgr *impl_from_IAudioSessionManager2(IAudioSessionManager2 *iface)
2661 {
2662     return CONTAINING_RECORD(iface, SessionMgr, IAudioSessionManager2_iface);
2663 }
2664
2665 static ULONG WINAPI AudioSessionManager_AddRef(IAudioSessionManager2 *iface)
2666 {
2667     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
2668     ULONG ref;
2669     ref = InterlockedIncrement(&This->ref);
2670     TRACE("(%p) Refcount now %u\n", This, ref);
2671     return ref;
2672 }
2673
2674 static ULONG WINAPI AudioSessionManager_Release(IAudioSessionManager2 *iface)
2675 {
2676     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
2677     ULONG ref;
2678     ref = InterlockedDecrement(&This->ref);
2679     TRACE("(%p) Refcount now %u\n", This, ref);
2680     if (!ref)
2681         HeapFree(GetProcessHeap(), 0, This);
2682     return ref;
2683 }
2684
2685 static HRESULT WINAPI AudioSessionManager_GetAudioSessionControl(
2686         IAudioSessionManager2 *iface, const GUID *session_guid, DWORD flags,
2687         IAudioSessionControl **out)
2688 {
2689     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
2690     AudioSession *session;
2691     AudioSessionWrapper *wrapper;
2692     HRESULT hr;
2693
2694     TRACE("(%p)->(%s, %x, %p)\n", This, debugstr_guid(session_guid),
2695             flags, out);
2696
2697     hr = get_audio_session(session_guid, This->device, 0, &session);
2698     if (FAILED(hr))
2699         return hr;
2700
2701     wrapper = AudioSessionWrapper_Create(NULL);
2702     if (!wrapper)
2703         return E_OUTOFMEMORY;
2704
2705     wrapper->session = session;
2706
2707     *out = (IAudioSessionControl*)&wrapper->IAudioSessionControl2_iface;
2708
2709     return S_OK;
2710 }
2711
2712 static HRESULT WINAPI AudioSessionManager_GetSimpleAudioVolume(
2713         IAudioSessionManager2 *iface, const GUID *session_guid, DWORD flags,
2714         ISimpleAudioVolume **out)
2715 {
2716     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
2717     AudioSession *session;
2718     AudioSessionWrapper *wrapper;
2719     HRESULT hr;
2720
2721     TRACE("(%p)->(%s, %x, %p)\n", This, debugstr_guid(session_guid),
2722             flags, out);
2723
2724     hr = get_audio_session(session_guid, This->device, 0, &session);
2725     if (FAILED(hr))
2726         return hr;
2727
2728     wrapper = AudioSessionWrapper_Create(NULL);
2729     if (!wrapper)
2730         return E_OUTOFMEMORY;
2731
2732     wrapper->session = session;
2733
2734     *out = &wrapper->ISimpleAudioVolume_iface;
2735
2736     return S_OK;
2737 }
2738
2739 static HRESULT WINAPI AudioSessionManager_GetSessionEnumerator(
2740         IAudioSessionManager2 *iface, IAudioSessionEnumerator **out)
2741 {
2742     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
2743     FIXME("(%p)->(%p) - stub\n", This, out);
2744     return E_NOTIMPL;
2745 }
2746
2747 static HRESULT WINAPI AudioSessionManager_RegisterSessionNotification(
2748         IAudioSessionManager2 *iface, IAudioSessionNotification *notification)
2749 {
2750     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
2751     FIXME("(%p)->(%p) - stub\n", This, notification);
2752     return E_NOTIMPL;
2753 }
2754
2755 static HRESULT WINAPI AudioSessionManager_UnregisterSessionNotification(
2756         IAudioSessionManager2 *iface, IAudioSessionNotification *notification)
2757 {
2758     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
2759     FIXME("(%p)->(%p) - stub\n", This, notification);
2760     return E_NOTIMPL;
2761 }
2762
2763 static HRESULT WINAPI AudioSessionManager_RegisterDuckNotification(
2764         IAudioSessionManager2 *iface, const WCHAR *session_id,
2765         IAudioVolumeDuckNotification *notification)
2766 {
2767     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
2768     FIXME("(%p)->(%p) - stub\n", This, notification);
2769     return E_NOTIMPL;
2770 }
2771
2772 static HRESULT WINAPI AudioSessionManager_UnregisterDuckNotification(
2773         IAudioSessionManager2 *iface,
2774         IAudioVolumeDuckNotification *notification)
2775 {
2776     SessionMgr *This = impl_from_IAudioSessionManager2(iface);
2777     FIXME("(%p)->(%p) - stub\n", This, notification);
2778     return E_NOTIMPL;
2779 }
2780
2781 static const IAudioSessionManager2Vtbl AudioSessionManager2_Vtbl =
2782 {
2783     AudioSessionManager_QueryInterface,
2784     AudioSessionManager_AddRef,
2785     AudioSessionManager_Release,
2786     AudioSessionManager_GetAudioSessionControl,
2787     AudioSessionManager_GetSimpleAudioVolume,
2788     AudioSessionManager_GetSessionEnumerator,
2789     AudioSessionManager_RegisterSessionNotification,
2790     AudioSessionManager_UnregisterSessionNotification,
2791     AudioSessionManager_RegisterDuckNotification,
2792     AudioSessionManager_UnregisterDuckNotification
2793 };
2794
2795 static HRESULT WINAPI SimpleAudioVolume_QueryInterface(
2796         ISimpleAudioVolume *iface, REFIID riid, void **ppv)
2797 {
2798     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2799
2800     if (!ppv)
2801         return E_POINTER;
2802     *ppv = NULL;
2803
2804     if (IsEqualIID(riid, &IID_IUnknown) ||
2805         IsEqualIID(riid, &IID_ISimpleAudioVolume))
2806         *ppv = iface;
2807     if (*ppv) {
2808         IUnknown_AddRef((IUnknown*)*ppv);
2809         return S_OK;
2810     }
2811
2812     WARN("Unknown interface %s\n", debugstr_guid(riid));
2813     return E_NOINTERFACE;
2814 }
2815
2816 static ULONG WINAPI SimpleAudioVolume_AddRef(ISimpleAudioVolume *iface)
2817 {
2818     AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2819     return AudioSessionControl_AddRef(&This->IAudioSessionControl2_iface);
2820 }
2821
2822 static ULONG WINAPI SimpleAudioVolume_Release(ISimpleAudioVolume *iface)
2823 {
2824     AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2825     return AudioSessionControl_Release(&This->IAudioSessionControl2_iface);
2826 }
2827
2828 static HRESULT WINAPI SimpleAudioVolume_SetMasterVolume(
2829         ISimpleAudioVolume *iface, float level, const GUID *context)
2830 {
2831     AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2832     AudioSession *session = This->session;
2833
2834     TRACE("(%p)->(%f, %s)\n", session, level, wine_dbgstr_guid(context));
2835
2836     if (level < 0.f || level > 1.f)
2837         return E_INVALIDARG;
2838
2839     if (context)
2840         FIXME("Notifications not supported yet\n");
2841
2842     TRACE("Pulseaudio does not support session volume control\n");
2843
2844     pthread_mutex_lock(&pulse_lock);
2845     session->master_vol = level;
2846     pthread_mutex_unlock(&pulse_lock);
2847
2848     return S_OK;
2849 }
2850
2851 static HRESULT WINAPI SimpleAudioVolume_GetMasterVolume(
2852         ISimpleAudioVolume *iface, float *level)
2853 {
2854     AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2855     AudioSession *session = This->session;
2856
2857     TRACE("(%p)->(%p)\n", session, level);
2858
2859     if (!level)
2860         return NULL_PTR_ERR;
2861
2862     *level = session->master_vol;
2863
2864     return S_OK;
2865 }
2866
2867 static HRESULT WINAPI SimpleAudioVolume_SetMute(ISimpleAudioVolume *iface,
2868         BOOL mute, const GUID *context)
2869 {
2870     AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2871     AudioSession *session = This->session;
2872
2873     TRACE("(%p)->(%u, %p)\n", session, mute, context);
2874
2875     if (context)
2876         FIXME("Notifications not supported yet\n");
2877
2878     session->mute = mute;
2879
2880     return S_OK;
2881 }
2882
2883 static HRESULT WINAPI SimpleAudioVolume_GetMute(ISimpleAudioVolume *iface,
2884         BOOL *mute)
2885 {
2886     AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
2887     AudioSession *session = This->session;
2888
2889     TRACE("(%p)->(%p)\n", session, mute);
2890
2891     if (!mute)
2892         return NULL_PTR_ERR;
2893
2894     *mute = session->mute;
2895
2896     return S_OK;
2897 }
2898
2899 static const ISimpleAudioVolumeVtbl SimpleAudioVolume_Vtbl  =
2900 {
2901     SimpleAudioVolume_QueryInterface,
2902     SimpleAudioVolume_AddRef,
2903     SimpleAudioVolume_Release,
2904     SimpleAudioVolume_SetMasterVolume,
2905     SimpleAudioVolume_GetMasterVolume,
2906     SimpleAudioVolume_SetMute,
2907     SimpleAudioVolume_GetMute
2908 };
2909
2910 static HRESULT WINAPI ChannelAudioVolume_QueryInterface(
2911         IChannelAudioVolume *iface, REFIID riid, void **ppv)
2912 {
2913     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
2914
2915     if (!ppv)
2916         return E_POINTER;
2917     *ppv = NULL;
2918
2919     if (IsEqualIID(riid, &IID_IUnknown) ||
2920         IsEqualIID(riid, &IID_IChannelAudioVolume))
2921         *ppv = iface;
2922     if (*ppv) {
2923         IUnknown_AddRef((IUnknown*)*ppv);
2924         return S_OK;
2925     }
2926
2927     WARN("Unknown interface %s\n", debugstr_guid(riid));
2928     return E_NOINTERFACE;
2929 }
2930
2931 static ULONG WINAPI ChannelAudioVolume_AddRef(IChannelAudioVolume *iface)
2932 {
2933     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
2934     return AudioSessionControl_AddRef(&This->IAudioSessionControl2_iface);
2935 }
2936
2937 static ULONG WINAPI ChannelAudioVolume_Release(IChannelAudioVolume *iface)
2938 {
2939     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
2940     return AudioSessionControl_Release(&This->IAudioSessionControl2_iface);
2941 }
2942
2943 static HRESULT WINAPI ChannelAudioVolume_GetChannelCount(
2944         IChannelAudioVolume *iface, UINT32 *out)
2945 {
2946     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
2947     AudioSession *session = This->session;
2948
2949     TRACE("(%p)->(%p)\n", session, out);
2950
2951     if (!out)
2952         return NULL_PTR_ERR;
2953
2954     *out = session->channel_count;
2955
2956     return S_OK;
2957 }
2958
2959 static HRESULT WINAPI ChannelAudioVolume_SetChannelVolume(
2960         IChannelAudioVolume *iface, UINT32 index, float level,
2961         const GUID *context)
2962 {
2963     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
2964     AudioSession *session = This->session;
2965
2966     TRACE("(%p)->(%d, %f, %s)\n", session, index, level,
2967             wine_dbgstr_guid(context));
2968
2969     if (level < 0.f || level > 1.f)
2970         return E_INVALIDARG;
2971
2972     if (index >= session->channel_count)
2973         return E_INVALIDARG;
2974
2975     if (context)
2976         FIXME("Notifications not supported yet\n");
2977
2978     TRACE("Pulseaudio does not support session volume control\n");
2979
2980     pthread_mutex_lock(&pulse_lock);
2981     session->channel_vols[index] = level;
2982     pthread_mutex_unlock(&pulse_lock);
2983
2984     return S_OK;
2985 }
2986
2987 static HRESULT WINAPI ChannelAudioVolume_GetChannelVolume(
2988         IChannelAudioVolume *iface, UINT32 index, float *level)
2989 {
2990     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
2991     AudioSession *session = This->session;
2992
2993     TRACE("(%p)->(%d, %p)\n", session, index, level);
2994
2995     if (!level)
2996         return NULL_PTR_ERR;
2997
2998     if (index >= session->channel_count)
2999         return E_INVALIDARG;
3000
3001     *level = session->channel_vols[index];
3002
3003     return S_OK;
3004 }
3005
3006 static HRESULT WINAPI ChannelAudioVolume_SetAllVolumes(
3007         IChannelAudioVolume *iface, UINT32 count, const float *levels,
3008         const GUID *context)
3009 {
3010     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
3011     AudioSession *session = This->session;
3012     int i;
3013
3014     TRACE("(%p)->(%d, %p, %s)\n", session, count, levels,
3015             wine_dbgstr_guid(context));
3016
3017     if (!levels)
3018         return NULL_PTR_ERR;
3019
3020     if (count != session->channel_count)
3021         return E_INVALIDARG;
3022
3023     if (context)
3024         FIXME("Notifications not supported yet\n");
3025
3026     TRACE("Pulseaudio does not support session volume control\n");
3027
3028     pthread_mutex_lock(&pulse_lock);
3029     for(i = 0; i < count; ++i)
3030         session->channel_vols[i] = levels[i];
3031     pthread_mutex_unlock(&pulse_lock);
3032     return S_OK;
3033 }
3034
3035 static HRESULT WINAPI ChannelAudioVolume_GetAllVolumes(
3036         IChannelAudioVolume *iface, UINT32 count, float *levels)
3037 {
3038     AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
3039     AudioSession *session = This->session;
3040     int i;
3041
3042     TRACE("(%p)->(%d, %p)\n", session, count, levels);
3043
3044     if (!levels)
3045         return NULL_PTR_ERR;
3046
3047     if (count != session->channel_count)
3048         return E_INVALIDARG;
3049
3050     for(i = 0; i < count; ++i)
3051         levels[i] = session->channel_vols[i];
3052
3053     return S_OK;
3054 }
3055
3056 static const IChannelAudioVolumeVtbl ChannelAudioVolume_Vtbl =
3057 {
3058     ChannelAudioVolume_QueryInterface,
3059     ChannelAudioVolume_AddRef,
3060     ChannelAudioVolume_Release,
3061     ChannelAudioVolume_GetChannelCount,
3062     ChannelAudioVolume_SetChannelVolume,
3063     ChannelAudioVolume_GetChannelVolume,
3064     ChannelAudioVolume_SetAllVolumes,
3065     ChannelAudioVolume_GetAllVolumes
3066 };
3067
3068 HRESULT WINAPI AUDDRV_GetAudioSessionManager(IMMDevice *device,
3069         IAudioSessionManager2 **out)
3070 {
3071     SessionMgr *This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(SessionMgr));
3072     *out = NULL;
3073     if (!This)
3074         return E_OUTOFMEMORY;
3075     This->IAudioSessionManager2_iface.lpVtbl = &AudioSessionManager2_Vtbl;
3076     This->device = device;
3077     This->ref = 1;
3078     *out = &This->IAudioSessionManager2_iface;
3079     return S_OK;
3080 }