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
  63 static const REFERENCE_TIME MinimumPeriod = 30000;
  64 static const REFERENCE_TIME DefaultPeriod = 100000;
  65
  66 static pa_context *pulse_ctx;
  67 static pa_mainloop *pulse_ml;
  68
  69 static HANDLE pulse_thread;
  70 static pthread_mutex_t pulse_lock = PTHREAD_MUTEX_INITIALIZER;
  71 static pthread_cond_t pulse_cond = PTHREAD_COND_INITIALIZER;
  72
  73 /* Mixer format + period times */
  74 static WAVEFORMATEXTENSIBLE pulse_fmt[2];
  75 static REFERENCE_TIME pulse_min_period[2], pulse_def_period[2];
  76
  77 static DWORD pulse_stream_volume;
  78
  79 const WCHAR pulse_keyW[] = {'S','o','f','t','w','a','r','e','\\',
  80     'W','i','n','e','\\','P','u','l','s','e',0};
  81 const WCHAR pulse_streamW[] = { 'S','t','r','e','a','m','V','o','l',0 };
  82
  83 BOOL WINAPI DllMain(HINSTANCE dll, DWORD reason, void *reserved)
  84 {
  85     if (reason == DLL_PROCESS_ATTACH) {
  86         HKEY key;
  87         if (RegOpenKeyW(HKEY_CURRENT_USER, pulse_keyW, &key) == ERROR_SUCCESS) {
  88             DWORD size = sizeof(pulse_stream_volume);
  89             RegQueryValueExW(key, pulse_streamW, 0, NULL,
  90                              (BYTE*)&pulse_stream_volume, &size);
  91             RegCloseKey(key);
  92         }
  93         DisableThreadLibraryCalls(dll);
  94     } else if (reason == DLL_PROCESS_DETACH) {
  95         if (pulse_ctx) {
  96            pa_context_disconnect(pulse_ctx);
  97            pa_context_unref(pulse_ctx);
  98         }
  99         if (pulse_ml)
 100             pa_mainloop_quit(pulse_ml, 0);
 101         CloseHandle(pulse_thread);
 102     }
 103     return TRUE;
 104 }
 105
 106 typedef struct ACImpl ACImpl;
 107
 108 typedef struct _ACPacket {
 109     struct list entry;
 110     UINT64 qpcpos;
 111     BYTE *data;
 112     UINT32 discont;
 113 } ACPacket;
 114
 115 struct ACImpl {
 116     IAudioClient IAudioClient_iface;
 117     IAudioRenderClient IAudioRenderClient_iface;
 118     IAudioCaptureClient IAudioCaptureClient_iface;
 119     IAudioClock IAudioClock_iface;
 120     IAudioClock2 IAudioClock2_iface;
 121     IAudioStreamVolume IAudioStreamVolume_iface;
 122     IMMDevice *parent;
 123     struct list entry;
 124     float vol[PA_CHANNELS_MAX];
 125
 126     LONG ref;
 127     EDataFlow dataflow;
 128     DWORD flags;
 129     AUDCLNT_SHAREMODE share;
 130     HANDLE event;
 131
 132     UINT32 bufsize_frames, bufsize_bytes, locked, capture_period, pad, started, peek_ofs;
 133     void *locked_ptr, *tmp_buffer;
 134
 135     pa_stream *stream;
 136     pa_sample_spec ss;
 137     pa_channel_map map;
 138
 139     INT64 clock_lastpos, clock_written;
 140     pa_usec_t clock_pulse;
 141
 142     struct list packet_free_head;
 143     struct list packet_filled_head;
 144 };
 145
 146 static const WCHAR defaultW[] = {'P','u','l','s','e','a','u','d','i','o',0};
 147
 148 static const IAudioClientVtbl AudioClient_Vtbl;
 149 static const IAudioRenderClientVtbl AudioRenderClient_Vtbl;
 150 static const IAudioCaptureClientVtbl AudioCaptureClient_Vtbl;
 151 static const IAudioClockVtbl AudioClock_Vtbl;
 152 static const IAudioClock2Vtbl AudioClock2_Vtbl;
 153 static const IAudioStreamVolumeVtbl AudioStreamVolume_Vtbl;
 154
 155 static inline ACImpl *impl_from_IAudioClient(IAudioClient *iface)
 156 {
 157     return CONTAINING_RECORD(iface, ACImpl, IAudioClient_iface);
 158 }
 159
 160 static inline ACImpl *impl_from_IAudioRenderClient(IAudioRenderClient *iface)
 161 {
 162     return CONTAINING_RECORD(iface, ACImpl, IAudioRenderClient_iface);
 163 }
 164
 165 static inline ACImpl *impl_from_IAudioCaptureClient(IAudioCaptureClient *iface)
 166 {
 167     return CONTAINING_RECORD(iface, ACImpl, IAudioCaptureClient_iface);
 168 }
 169
 170 static inline ACImpl *impl_from_IAudioClock(IAudioClock *iface)
 171 {
 172     return CONTAINING_RECORD(iface, ACImpl, IAudioClock_iface);
 173 }
 174
 175 static inline ACImpl *impl_from_IAudioClock2(IAudioClock2 *iface)
 176 {
 177     return CONTAINING_RECORD(iface, ACImpl, IAudioClock2_iface);
 178 }
 179
 180 /* Following pulseaudio design here, mainloop has the lock taken whenever
 181  * it is handling something for pulse, and the lock is required whenever
 182  * doing any pa_* call that can affect the state in any way
 183  *
 184  * pa_cond_wait is used when waiting on results, because the mainloop needs
 185  * the same lock taken to affect the state
 186  *
 187  * This is basically the same as the pa_threaded_mainloop implementation,
 188  * but that cannot be used because it uses pthread_create directly
 189  *
 190  * pa_threaded_mainloop_(un)lock -> pthread_mutex_(un)lock
 191  * pa_threaded_mainloop_signal -> pthread_cond_signal
 192  * pa_threaded_mainloop_wait -> pthread_cond_wait
 193  */
 194
 195 static int pulse_poll_func(struct pollfd *ufds, unsigned long nfds, int timeout, void *userdata) {
 196     int r;
 197     pthread_mutex_unlock(&pulse_lock);
 198     r = poll(ufds, nfds, timeout);
 199     pthread_mutex_lock(&pulse_lock);
 200     return r;
 201 }
 202
 203 static DWORD CALLBACK pulse_mainloop_thread(void *tmp) {
 204     int ret;
 205     pulse_ml = pa_mainloop_new();
 206     pa_mainloop_set_poll_func(pulse_ml, pulse_poll_func, NULL);
 207     pthread_mutex_lock(&pulse_lock);
 208     pthread_cond_signal(&pulse_cond);
 209     pa_mainloop_run(pulse_ml, &ret);
 210     pthread_mutex_unlock(&pulse_lock);
 211     pa_mainloop_free(pulse_ml);
 212     CloseHandle(pulse_thread);
 213     return ret;
 214 }
 215
 216 static void pulse_contextcallback(pa_context *c, void *userdata);
 217 static void pulse_stream_state(pa_stream *s, void *user);
 218
 219 static const enum pa_channel_position pulse_pos_from_wfx[] = {
 220     PA_CHANNEL_POSITION_FRONT_LEFT,
 221     PA_CHANNEL_POSITION_FRONT_RIGHT,
 222     PA_CHANNEL_POSITION_FRONT_CENTER,
 223     PA_CHANNEL_POSITION_LFE,
 224     PA_CHANNEL_POSITION_REAR_LEFT,
 225     PA_CHANNEL_POSITION_REAR_RIGHT,
 226     PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER,
 227     PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER,
 228     PA_CHANNEL_POSITION_REAR_CENTER,
 229     PA_CHANNEL_POSITION_SIDE_LEFT,
 230     PA_CHANNEL_POSITION_SIDE_RIGHT,
 231     PA_CHANNEL_POSITION_TOP_CENTER,
 232     PA_CHANNEL_POSITION_TOP_FRONT_LEFT,
 233     PA_CHANNEL_POSITION_TOP_FRONT_CENTER,
 234     PA_CHANNEL_POSITION_TOP_FRONT_RIGHT,
 235     PA_CHANNEL_POSITION_TOP_REAR_LEFT,
 236     PA_CHANNEL_POSITION_TOP_REAR_CENTER,
 237     PA_CHANNEL_POSITION_TOP_REAR_RIGHT
 238 };
 239
 240 static void pulse_probe_settings(int render, WAVEFORMATEXTENSIBLE *fmt) {
 241     WAVEFORMATEX *wfx = &fmt->Format;
 242     pa_stream *stream;
 243     pa_channel_map map;
 244     pa_sample_spec ss;
 245     pa_buffer_attr attr;
 246     int ret, i;
 247     unsigned int length = 0;
 248
 249     pa_channel_map_init_auto(&map, 2, PA_CHANNEL_MAP_ALSA);
 250     ss.rate = 48000;
 251     ss.format = PA_SAMPLE_FLOAT32LE;
 252     ss.channels = map.channels;
 253
 254     attr.maxlength = -1;
 255     attr.tlength = -1;
 256     attr.minreq = attr.fragsize = pa_frame_size(&ss);
 257     attr.prebuf = 0;
 258
 259     stream = pa_stream_new(pulse_ctx, "format test stream", &ss, &map);
 260     if (stream)
 261         pa_stream_set_state_callback(stream, pulse_stream_state, NULL);
 262     if (!stream)
 263         ret = -1;
 264     else if (render)
 265         ret = pa_stream_connect_playback(stream, NULL, &attr,
 266         PA_STREAM_START_CORKED|PA_STREAM_FIX_RATE|PA_STREAM_FIX_CHANNELS|PA_STREAM_EARLY_REQUESTS, NULL, NULL);
 267     else
 268         ret = pa_stream_connect_record(stream, NULL, &attr, PA_STREAM_START_CORKED|PA_STREAM_FIX_RATE|PA_STREAM_FIX_CHANNELS|PA_STREAM_EARLY_REQUESTS);
 269     if (ret >= 0) {
 270         while (pa_stream_get_state(stream) == PA_STREAM_CREATING)
 271             pthread_cond_wait(&pulse_cond, &pulse_lock);
 272         if (pa_stream_get_state(stream) == PA_STREAM_READY) {
 273             ss = *pa_stream_get_sample_spec(stream);
 274             map = *pa_stream_get_channel_map(stream);
 275             if (render)
 276                 length = pa_stream_get_buffer_attr(stream)->minreq;
 277             else
 278                 length = pa_stream_get_buffer_attr(stream)->fragsize;
 279             pa_stream_disconnect(stream);
 280             while (pa_stream_get_state(stream) == PA_STREAM_READY)
 281                 pthread_cond_wait(&pulse_cond, &pulse_lock);
 282         }
 283     }
 284     if (stream)
 285         pa_stream_unref(stream);
 286     if (length)
 287         pulse_def_period[!render] = pulse_min_period[!render] = pa_bytes_to_usec(10 * length, &ss);
 288     else
 289         pulse_min_period[!render] = MinimumPeriod;
 290     if (pulse_def_period[!render] <= DefaultPeriod)
 291         pulse_def_period[!render] = DefaultPeriod;
 292
 293     wfx->wFormatTag = WAVE_FORMAT_EXTENSIBLE;
 294     wfx->cbSize = sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX);
 295     wfx->nChannels = ss.channels;
 296     wfx->wBitsPerSample = 8 * pa_sample_size_of_format(ss.format);
 297     wfx->nSamplesPerSec = ss.rate;
 298     wfx->nBlockAlign = pa_frame_size(&ss);
 299     wfx->nAvgBytesPerSec = wfx->nSamplesPerSec * wfx->nBlockAlign;
 300     if (ss.format != PA_SAMPLE_S24_32LE)
 301         fmt->Samples.wValidBitsPerSample = wfx->wBitsPerSample;
 302     else
 303         fmt->Samples.wValidBitsPerSample = 24;
 304     if (ss.format == PA_SAMPLE_FLOAT32LE)
 305         fmt->SubFormat = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
 306     else
 307         fmt->SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
 308
 309     fmt->dwChannelMask = 0;
 310     for (i = 0; i < map.channels; ++i)
 311         switch (map.map[i]) {
 312             default: FIXME("Unhandled channel %s\n", pa_channel_position_to_string(map.map[i])); break;
 313             case PA_CHANNEL_POSITION_FRONT_LEFT: fmt->dwChannelMask |= SPEAKER_FRONT_LEFT; break;
 314             case PA_CHANNEL_POSITION_MONO:
 315             case PA_CHANNEL_POSITION_FRONT_CENTER: fmt->dwChannelMask |= SPEAKER_FRONT_CENTER; break;
 316             case PA_CHANNEL_POSITION_FRONT_RIGHT: fmt->dwChannelMask |= SPEAKER_FRONT_RIGHT; break;
 317             case PA_CHANNEL_POSITION_REAR_LEFT: fmt->dwChannelMask |= SPEAKER_BACK_LEFT; break;
 318             case PA_CHANNEL_POSITION_REAR_CENTER: fmt->dwChannelMask |= SPEAKER_BACK_CENTER; break;
 319             case PA_CHANNEL_POSITION_REAR_RIGHT: fmt->dwChannelMask |= SPEAKER_BACK_RIGHT; break;
 320             case PA_CHANNEL_POSITION_LFE: fmt->dwChannelMask |= SPEAKER_LOW_FREQUENCY; break;
 321             case PA_CHANNEL_POSITION_SIDE_LEFT: fmt->dwChannelMask |= SPEAKER_SIDE_LEFT; break;
 322             case PA_CHANNEL_POSITION_SIDE_RIGHT: fmt->dwChannelMask |= SPEAKER_SIDE_RIGHT; break;
 323             case PA_CHANNEL_POSITION_TOP_CENTER: fmt->dwChannelMask |= SPEAKER_TOP_CENTER; break;
 324             case PA_CHANNEL_POSITION_TOP_FRONT_LEFT: fmt->dwChannelMask |= SPEAKER_TOP_FRONT_LEFT; break;
 325             case PA_CHANNEL_POSITION_TOP_FRONT_CENTER: fmt->dwChannelMask |= SPEAKER_TOP_FRONT_CENTER; break;
 326             case PA_CHANNEL_POSITION_TOP_FRONT_RIGHT: fmt->dwChannelMask |= SPEAKER_TOP_FRONT_RIGHT; break;
 327             case PA_CHANNEL_POSITION_TOP_REAR_LEFT: fmt->dwChannelMask |= SPEAKER_TOP_BACK_LEFT; break;
 328             case PA_CHANNEL_POSITION_TOP_REAR_CENTER: fmt->dwChannelMask |= SPEAKER_TOP_BACK_CENTER; break;
 329             case PA_CHANNEL_POSITION_TOP_REAR_RIGHT: fmt->dwChannelMask |= SPEAKER_TOP_BACK_RIGHT; break;
 330         }
 331 }
 332
 333 static HRESULT pulse_connect(void)
 334 {
 335     int len;
 336     WCHAR path[PATH_MAX], *name;
 337     char *str;
 338
 339     if (!pulse_thread)
 340     {
 341         if (!(pulse_thread = CreateThread(NULL, 0, pulse_mainloop_thread, NULL, 0, NULL)))
 342         {
 343             ERR("Failed to create mainloop thread.");
 344             return E_FAIL;
 345         }
 346         SetThreadPriority(pulse_thread, THREAD_PRIORITY_TIME_CRITICAL);
 347         pthread_cond_wait(&pulse_cond, &pulse_lock);
 348     }
 349
 350     if (pulse_ctx && PA_CONTEXT_IS_GOOD(pa_context_get_state(pulse_ctx)))
 351         return S_OK;
 352     if (pulse_ctx)
 353         pa_context_unref(pulse_ctx);
 354
 355     GetModuleFileNameW(NULL, path, sizeof(path)/sizeof(*path));
 356     name = strrchrW(path, '\\');
 357     if (!name)
 358         name = path;
 359     else
 360         name++;
 361     len = WideCharToMultiByte(CP_UNIXCP, 0, name, -1, NULL, 0, NULL, NULL);
 362     str = pa_xmalloc(len);
 363     WideCharToMultiByte(CP_UNIXCP, 0, name, -1, str, len, NULL, NULL);
 364     TRACE("Name: %s\n", str);
 365     pulse_ctx = pa_context_new(pa_mainloop_get_api(pulse_ml), str);
 366     pa_xfree(str);
 367     if (!pulse_ctx) {
 368         ERR("Failed to create context\n");
 369         return E_FAIL;
 370     }
 371
 372     pa_context_set_state_callback(pulse_ctx, pulse_contextcallback, NULL);
 373
 374     TRACE("libpulse protocol version: %u. API Version %u\n", pa_context_get_protocol_version(pulse_ctx), PA_API_VERSION);
 375     if (pa_context_connect(pulse_ctx, NULL, 0, NULL) < 0)
 376         goto fail;
 377
 378     /* Wait for connection */
 379     while (pthread_cond_wait(&pulse_cond, &pulse_lock)) {
 380         pa_context_state_t state = pa_context_get_state(pulse_ctx);
 381
 382         if (state == PA_CONTEXT_FAILED || state == PA_CONTEXT_TERMINATED)
 383             goto fail;
 384
 385         if (state == PA_CONTEXT_READY)
 386             break;
 387     }
 388
 389     TRACE("Connected to server %s with protocol version: %i.\n",
 390         pa_context_get_server(pulse_ctx),
 391         pa_context_get_server_protocol_version(pulse_ctx));
 392     pulse_probe_settings(1, &pulse_fmt[0]);
 393     pulse_probe_settings(0, &pulse_fmt[1]);
 394     return S_OK;
 395
 396 fail:
 397     pa_context_unref(pulse_ctx);
 398     pulse_ctx = NULL;
 399     return E_FAIL;
 400 }
 401
 402 static void pulse_contextcallback(pa_context *c, void *userdata) {
 403     switch (pa_context_get_state(c)) {
 404         default:
 405             FIXME("Unhandled state: %i\n", pa_context_get_state(c));
 406         case PA_CONTEXT_CONNECTING:
 407         case PA_CONTEXT_UNCONNECTED:
 408         case PA_CONTEXT_AUTHORIZING:
 409         case PA_CONTEXT_SETTING_NAME:
 410         case PA_CONTEXT_TERMINATED:
 411             TRACE("State change to %i\n", pa_context_get_state(c));
 412             return;
 413
 414         case PA_CONTEXT_READY:
 415             TRACE("Ready\n");
 416             break;
 417
 418         case PA_CONTEXT_FAILED:
 419             ERR("Context failed: %s\n", pa_strerror(pa_context_errno(c)));
 420             break;
 421     }
 422     pthread_cond_signal(&pulse_cond);
 423 }
 424
 425 static HRESULT pulse_stream_valid(ACImpl *This) {
 426     if (!This->stream)
 427         return AUDCLNT_E_NOT_INITIALIZED;
 428     if (!This->stream || pa_stream_get_state(This->stream) != PA_STREAM_READY)
 429         return AUDCLNT_E_DEVICE_INVALIDATED;
 430     return S_OK;
 431 }
 432
 433 static void dump_attr(const pa_buffer_attr *attr) {
 434     TRACE("maxlength: %u\n", attr->maxlength);
 435     TRACE("minreq: %u\n", attr->minreq);
 436     TRACE("fragsize: %u\n", attr->fragsize);
 437     TRACE("tlength: %u\n", attr->tlength);
 438     TRACE("prebuf: %u\n", attr->prebuf);
 439 }
 440
 441 static void pulse_op_cb(pa_stream *s, int success, void *user) {
 442     TRACE("Success: %i\n", success);
 443     *(int*)user = success;
 444     pthread_cond_signal(&pulse_cond);
 445 }
 446
 447 static void pulse_attr_update(pa_stream *s, void *user) {
 448     const pa_buffer_attr *attr = pa_stream_get_buffer_attr(s);
 449     TRACE("New attributes or device moved:\n");
 450     dump_attr(attr);
 451 }
 452
 453 static void pulse_wr_callback(pa_stream *s, size_t bytes, void *userdata)
 454 {
 455     ACImpl *This = userdata;
 456     pa_usec_t time;
 457     UINT32 oldpad = This->pad;
 458
 459     if (bytes < This->bufsize_bytes)
 460         This->pad = This->bufsize_bytes - bytes;
 461     else
 462         This->pad = 0;
 463
 464     assert(oldpad >= This->pad);
 465
 466     if (0 && This->pad && pa_stream_get_time(This->stream, &time) >= 0)
 467         This->clock_pulse = time;
 468     else
 469         This->clock_pulse = PA_USEC_INVALID;
 470
 471     This->clock_written += oldpad - This->pad;
 472     TRACE("New pad: %u (-%u)\n", This->pad / pa_frame_size(&This->ss), (oldpad - This->pad) / pa_frame_size(&This->ss));
 473
 474     if (This->event)
 475         SetEvent(This->event);
 476 }
 477
 478 static void pulse_underflow_callback(pa_stream *s, void *userdata)
 479 {
 480     ACImpl *This = userdata;
 481     This->clock_pulse = PA_USEC_INVALID;
 482     WARN("Underflow\n");
 483 }
 484
 485 /* Latency is periodically updated even when nothing is played,
 486  * because of PA_STREAM_AUTO_TIMING_UPDATE so use it as timer
 487  *
 488  * Perfect for passing all tests :)
 489  */
 490 static void pulse_latency_callback(pa_stream *s, void *userdata)
 491 {
 492     ACImpl *This = userdata;
 493     if (!This->pad && This->event)
 494         SetEvent(This->event);
 495 }
 496
 497 static void pulse_started_callback(pa_stream *s, void *userdata)
 498 {
 499     ACImpl *This = userdata;
 500     pa_usec_t time;
 501
 502     TRACE("(Re)started playing\n");
 503     assert(This->clock_pulse == PA_USEC_INVALID);
 504     if (0 && pa_stream_get_time(This->stream, &time) >= 0)
 505         This->clock_pulse = time;
 506     if (This->event)
 507         SetEvent(This->event);
 508 }
 509
 510 static void pulse_rd_loop(ACImpl *This, size_t bytes)
 511 {
 512     while (bytes >= This->capture_period) {
 513         ACPacket *p, *next;
 514         LARGE_INTEGER stamp, freq;
 515         BYTE *dst, *src;
 516         UINT32 src_len, copy, rem = This->capture_period;
 517         if (!(p = (ACPacket*)list_head(&This->packet_free_head))) {
 518             p = (ACPacket*)list_head(&This->packet_filled_head);
 519             if (!p->discont) {
 520                 next = (ACPacket*)p->entry.next;
 521                 next->discont = 1;
 522             } else
 523                 p = (ACPacket*)list_tail(&This->packet_filled_head);
 524             assert(This->pad == This->bufsize_bytes);
 525         } else {
 526             assert(This->pad < This->bufsize_bytes);
 527             This->pad += This->capture_period;
 528             assert(This->pad <= This->bufsize_bytes);
 529         }
 530         QueryPerformanceCounter(&stamp);
 531         QueryPerformanceFrequency(&freq);
 532         p->qpcpos = (stamp.QuadPart * (INT64)10000000) / freq.QuadPart;
 533         p->discont = 0;
 534         list_remove(&p->entry);
 535         list_add_tail(&This->packet_filled_head, &p->entry);
 536
 537         dst = p->data;
 538         while (rem) {
 539             pa_stream_peek(This->stream, (const void**)&src, &src_len);
 540             assert(src_len && src_len <= bytes);
 541             assert(This->peek_ofs < src_len);
 542             src += This->peek_ofs;
 543             src_len -= This->peek_ofs;
 544
 545             copy = rem;
 546             if (copy > src_len)
 547                 copy = src_len;
 548             memcpy(dst, src, rem);
 549             src += copy;
 550             src_len -= copy;
 551             dst += copy;
 552             rem -= copy;
 553
 554             if (!src_len) {
 555                 This->peek_ofs = 0;
 556                 pa_stream_drop(This->stream);
 557             } else
 558                 This->peek_ofs += copy;
 559         }
 560         bytes -= This->capture_period;
 561     }
 562 }
 563
 564 static void pulse_rd_drop(ACImpl *This, size_t bytes)
 565 {
 566     while (bytes >= This->capture_period) {
 567         UINT32 src_len, copy, rem = This->capture_period;
 568         while (rem) {
 569             const void *src;
 570             pa_stream_peek(This->stream, &src, &src_len);
 571             assert(src_len && src_len <= bytes);
 572             assert(This->peek_ofs < src_len);
 573             src_len -= This->peek_ofs;
 574
 575             copy = rem;
 576             if (copy > src_len)
 577                 copy = src_len;
 578
 579             src_len -= copy;
 580             rem -= copy;
 581
 582             if (!src_len) {
 583                 This->peek_ofs = 0;
 584                 pa_stream_drop(This->stream);
 585             } else
 586                 This->peek_ofs += copy;
 587             bytes -= copy;
 588         }
 589     }
 590 }
 591
 592 static void pulse_rd_callback(pa_stream *s, size_t bytes, void *userdata)
 593 {
 594     ACImpl *This = userdata;
 595
 596     TRACE("Readable total: %u, fragsize: %u\n", bytes, pa_stream_get_buffer_attr(s)->fragsize);
 597     assert(bytes >= This->peek_ofs);
 598     bytes -= This->peek_ofs;
 599     if (bytes < This->capture_period)
 600         return;
 601
 602     if (This->started)
 603         pulse_rd_loop(This, bytes);
 604     else
 605         pulse_rd_drop(This, bytes);
 606
 607     if (This->event)
 608         SetEvent(This->event);
 609 }
 610
 611 static void pulse_stream_state(pa_stream *s, void *user)
 612 {
 613     pa_stream_state_t state = pa_stream_get_state(s);
 614     TRACE("Stream state changed to %i\n", state);
 615     pthread_cond_signal(&pulse_cond);
 616 }
 617
 618 static HRESULT pulse_stream_connect(ACImpl *This, UINT32 period_bytes) {
 619     int ret;
 620     char buffer[64];
 621     static LONG number;
 622     pa_buffer_attr attr;
 623     if (This->stream) {
 624         pa_stream_disconnect(This->stream);
 625         while (pa_stream_get_state(This->stream) == PA_STREAM_READY)
 626             pthread_cond_wait(&pulse_cond, &pulse_lock);
 627         pa_stream_unref(This->stream);
 628     }
 629     ret = InterlockedIncrement(&number);
 630     sprintf(buffer, "audio stream #%i", ret);
 631     This->stream = pa_stream_new(pulse_ctx, buffer, &This->ss, &This->map);
 632     pa_stream_set_state_callback(This->stream, pulse_stream_state, This);
 633     pa_stream_set_buffer_attr_callback(This->stream, pulse_attr_update, This);
 634     pa_stream_set_moved_callback(This->stream, pulse_attr_update, This);
 635
 636     /* Pulseaudio will fill in correct values */
 637     attr.minreq = attr.fragsize = period_bytes;
 638     attr.maxlength = attr.tlength = This->bufsize_bytes;
 639     attr.prebuf = pa_frame_size(&This->ss);
 640     dump_attr(&attr);
 641     if (This->dataflow == eRender)
 642         ret = pa_stream_connect_playback(This->stream, NULL, &attr,
 643         PA_STREAM_START_CORKED|PA_STREAM_START_UNMUTED|PA_STREAM_AUTO_TIMING_UPDATE|PA_STREAM_INTERPOLATE_TIMING|PA_STREAM_EARLY_REQUESTS, NULL, NULL);
 644     else
 645         ret = pa_stream_connect_record(This->stream, NULL, &attr,
 646         PA_STREAM_START_CORKED|PA_STREAM_START_UNMUTED|PA_STREAM_AUTO_TIMING_UPDATE|PA_STREAM_INTERPOLATE_TIMING|PA_STREAM_EARLY_REQUESTS);
 647     if (ret < 0) {
 648         WARN("Returns %i\n", ret);
 649         return AUDCLNT_E_ENDPOINT_CREATE_FAILED;
 650     }
 651     while (pa_stream_get_state(This->stream) == PA_STREAM_CREATING)
 652         pthread_cond_wait(&pulse_cond, &pulse_lock);
 653     if (pa_stream_get_state(This->stream) != PA_STREAM_READY)
 654         return AUDCLNT_E_ENDPOINT_CREATE_FAILED;
 655
 656     if (This->dataflow == eRender) {
 657         pa_stream_set_write_callback(This->stream, pulse_wr_callback, This);
 658         pa_stream_set_underflow_callback(This->stream, pulse_underflow_callback, This);
 659         pa_stream_set_started_callback(This->stream, pulse_started_callback, This);
 660     } else
 661         pa_stream_set_read_callback(This->stream, pulse_rd_callback, This);
 662     return S_OK;
 663 }
 664
 665 HRESULT WINAPI AUDDRV_GetEndpointIDs(EDataFlow flow, WCHAR ***ids, void ***keys,
 666         UINT *num, UINT *def_index)
 667 {
 668     HRESULT hr = S_OK;
 669     TRACE("%d %p %p %p\n", flow, ids, num, def_index);
 670
 671     pthread_mutex_lock(&pulse_lock);
 672     hr = pulse_connect();
 673     pthread_mutex_unlock(&pulse_lock);
 674     if (FAILED(hr))
 675         return hr;
 676     *num = 1;
 677     *def_index = 0;
 678
 679     *ids = HeapAlloc(GetProcessHeap(), 0, sizeof(WCHAR *));
 680     if (!*ids)
 681         return E_OUTOFMEMORY;
 682
 683     (*ids)[0] = HeapAlloc(GetProcessHeap(), 0, sizeof(defaultW));
 684     if (!(*ids)[0]) {
 685         HeapFree(GetProcessHeap(), 0, *ids);
 686         return E_OUTOFMEMORY;
 687     }
 688
 689     lstrcpyW((*ids)[0], defaultW);
 690
 691     *keys = HeapAlloc(GetProcessHeap(), 0, sizeof(void *));
 692     (*keys)[0] = NULL;
 693
 694     return S_OK;
 695 }
 696
 697 int WINAPI AUDDRV_GetPriority(void)
 698 {
 699     HRESULT hr;
 700     pthread_mutex_lock(&pulse_lock);
 701     hr = pulse_connect();
 702     pthread_mutex_unlock(&pulse_lock);
 703     return SUCCEEDED(hr) ? 3 : 0;
 704 }
 705
 706 HRESULT WINAPI AUDDRV_GetAudioEndpoint(void *key, IMMDevice *dev,
 707         EDataFlow dataflow, IAudioClient **out)
 708 {
 709     HRESULT hr;
 710     ACImpl *This;
 711     int i;
 712
 713     TRACE("%p %p %d %p\n", key, dev, dataflow, out);
 714     if (dataflow != eRender && dataflow != eCapture)
 715         return E_UNEXPECTED;
 716
 717     *out = NULL;
 718     pthread_mutex_lock(&pulse_lock);
 719     hr = pulse_connect();
 720     pthread_mutex_unlock(&pulse_lock);
 721     if (FAILED(hr))
 722         return hr;
 723
 724     This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*This));
 725     if (!This)
 726         return E_OUTOFMEMORY;
 727
 728     This->IAudioClient_iface.lpVtbl = &AudioClient_Vtbl;
 729     This->IAudioRenderClient_iface.lpVtbl = &AudioRenderClient_Vtbl;
 730     This->IAudioCaptureClient_iface.lpVtbl = &AudioCaptureClient_Vtbl;
 731     This->IAudioClock_iface.lpVtbl = &AudioClock_Vtbl;
 732     This->IAudioClock2_iface.lpVtbl = &AudioClock2_Vtbl;
 733     This->IAudioStreamVolume_iface.lpVtbl = &AudioStreamVolume_Vtbl;
 734     This->dataflow = dataflow;
 735     This->parent = dev;
 736     This->clock_pulse = PA_USEC_INVALID;
 737     for (i = 0; i < PA_CHANNELS_MAX; ++i)
 738         This->vol[i] = 1.f;
 739     IMMDevice_AddRef(This->parent);
 740
 741     *out = &This->IAudioClient_iface;
 742     IAudioClient_AddRef(&This->IAudioClient_iface);
 743
 744     return S_OK;
 745 }
 746
 747 static HRESULT WINAPI AudioClient_QueryInterface(IAudioClient *iface,
 748         REFIID riid, void **ppv)
 749 {
 750     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
 751
 752     if (!ppv)
 753         return E_POINTER;
 754     *ppv = NULL;
 755     if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IAudioClient))
 756         *ppv = iface;
 757     if (*ppv) {
 758         IUnknown_AddRef((IUnknown*)*ppv);
 759         return S_OK;
 760     }
 761     WARN("Unknown interface %s\n", debugstr_guid(riid));
 762     return E_NOINTERFACE;
 763 }
 764
 765 static ULONG WINAPI AudioClient_AddRef(IAudioClient *iface)
 766 {
 767     ACImpl *This = impl_from_IAudioClient(iface);
 768     ULONG ref;
 769     ref = InterlockedIncrement(&This->ref);
 770     TRACE("(%p) Refcount now %u\n", This, ref);
 771     return ref;
 772 }
 773
 774 static ULONG WINAPI AudioClient_Release(IAudioClient *iface)
 775 {
 776     ACImpl *This = impl_from_IAudioClient(iface);
 777     ULONG ref;
 778     ref = InterlockedDecrement(&This->ref);
 779     TRACE("(%p) Refcount now %u\n", This, ref);
 780     if (!ref) {
 781         if (This->stream) {
 782             pthread_mutex_lock(&pulse_lock);
 783             if (PA_STREAM_IS_GOOD(pa_stream_get_state(This->stream))) {
 784                 pa_stream_disconnect(This->stream);
 785                 while (PA_STREAM_IS_GOOD(pa_stream_get_state(This->stream)))
 786                     pthread_cond_wait(&pulse_cond, &pulse_lock);
 787             }
 788             pa_stream_unref(This->stream);
 789             This->stream = NULL;
 790             list_remove(&This->entry);
 791             pthread_mutex_unlock(&pulse_lock);
 792         }
 793         IMMDevice_Release(This->parent);
 794         HeapFree(GetProcessHeap(), 0, This->tmp_buffer);
 795         HeapFree(GetProcessHeap(), 0, This);
 796     }
 797     return ref;
 798 }
 799
 800 static void dump_fmt(const WAVEFORMATEX *fmt)
 801 {
 802     TRACE("wFormatTag: 0x%x (", fmt->wFormatTag);
 803     switch(fmt->wFormatTag) {
 804     case WAVE_FORMAT_PCM:
 805         TRACE("WAVE_FORMAT_PCM");
 806         break;
 807     case WAVE_FORMAT_IEEE_FLOAT:
 808         TRACE("WAVE_FORMAT_IEEE_FLOAT");
 809         break;
 810     case WAVE_FORMAT_EXTENSIBLE:
 811         TRACE("WAVE_FORMAT_EXTENSIBLE");
 812         break;
 813     default:
 814         TRACE("Unknown");
 815         break;
 816     }
 817     TRACE(")\n");
 818
 819     TRACE("nChannels: %u\n", fmt->nChannels);
 820     TRACE("nSamplesPerSec: %u\n", fmt->nSamplesPerSec);
 821     TRACE("nAvgBytesPerSec: %u\n", fmt->nAvgBytesPerSec);
 822     TRACE("nBlockAlign: %u\n", fmt->nBlockAlign);
 823     TRACE("wBitsPerSample: %u\n", fmt->wBitsPerSample);
 824     TRACE("cbSize: %u\n", fmt->cbSize);
 825
 826     if (fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE) {
 827         WAVEFORMATEXTENSIBLE *fmtex = (void*)fmt;
 828         TRACE("dwChannelMask: %08x\n", fmtex->dwChannelMask);
 829         TRACE("Samples: %04x\n", fmtex->Samples.wReserved);
 830         TRACE("SubFormat: %s\n", wine_dbgstr_guid(&fmtex->SubFormat));
 831     }
 832 }
 833
 834 static WAVEFORMATEX *clone_format(const WAVEFORMATEX *fmt)
 835 {
 836     WAVEFORMATEX *ret;
 837     size_t size;
 838
 839     if (fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
 840         size = sizeof(WAVEFORMATEXTENSIBLE);
 841     else
 842         size = sizeof(WAVEFORMATEX);
 843
 844     ret = CoTaskMemAlloc(size);
 845     if (!ret)
 846         return NULL;
 847
 848     memcpy(ret, fmt, size);
 849
 850     ret->cbSize = size - sizeof(WAVEFORMATEX);
 851
 852     return ret;
 853 }
 854
 855 static DWORD get_channel_mask(unsigned int channels)
 856 {
 857     switch(channels) {
 858     case 0:
 859         return 0;
 860     case 1:
 861         return SPEAKER_FRONT_CENTER;
 862     case 2:
 863         return SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT;
 864     case 3:
 865         return SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT |
 866             SPEAKER_LOW_FREQUENCY;
 867     case 4:
 868         return SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_BACK_LEFT |
 869             SPEAKER_BACK_RIGHT;
 870     case 5:
 871         return SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_BACK_LEFT |
 872             SPEAKER_BACK_RIGHT | SPEAKER_LOW_FREQUENCY;
 873     case 6:
 874         return SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_BACK_LEFT |
 875             SPEAKER_BACK_RIGHT | SPEAKER_LOW_FREQUENCY | SPEAKER_FRONT_CENTER;
 876     case 7:
 877         return SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_BACK_LEFT |
 878             SPEAKER_BACK_RIGHT | SPEAKER_LOW_FREQUENCY | SPEAKER_FRONT_CENTER |
 879             SPEAKER_BACK_CENTER;
 880     case 8:
 881         return SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_BACK_LEFT |
 882             SPEAKER_BACK_RIGHT | SPEAKER_LOW_FREQUENCY | SPEAKER_FRONT_CENTER |
 883             SPEAKER_SIDE_LEFT | SPEAKER_SIDE_RIGHT;
 884     }
 885     FIXME("Unknown speaker configuration: %u\n", channels);
 886     return 0;
 887 }
 888
 889 static HRESULT pulse_spec_from_waveformat(ACImpl *This, const WAVEFORMATEX *fmt)
 890 {
 891     pa_channel_map_init(&This->map);
 892     This->ss.rate = fmt->nSamplesPerSec;
 893     This->ss.format = PA_SAMPLE_INVALID;
 894     switch(fmt->wFormatTag) {
 895     case WAVE_FORMAT_IEEE_FLOAT:
 896         if (!fmt->nChannels || fmt->nChannels > 2 || fmt->wBitsPerSample != 32)
 897             break;
 898         This->ss.format = PA_SAMPLE_FLOAT32LE;
 899         pa_channel_map_init_auto(&This->map, fmt->nChannels, PA_CHANNEL_MAP_ALSA);
 900         break;
 901     case WAVE_FORMAT_PCM:
 902         if (!fmt->nChannels || fmt->nChannels > 2)
 903             break;
 904         if (fmt->wBitsPerSample == 8)
 905             This->ss.format = PA_SAMPLE_U8;
 906         else if (fmt->wBitsPerSample == 16)
 907             This->ss.format = PA_SAMPLE_S16LE;
 908         pa_channel_map_init_auto(&This->map, fmt->nChannels, PA_CHANNEL_MAP_ALSA);
 909         break;
 910     case WAVE_FORMAT_EXTENSIBLE: {
 911         WAVEFORMATEXTENSIBLE *wfe = (WAVEFORMATEXTENSIBLE*)fmt;
 912         DWORD mask = wfe->dwChannelMask;
 913         DWORD i = 0, j;
 914         if (fmt->cbSize != (sizeof(*wfe) - sizeof(*fmt)) && fmt->cbSize != sizeof(*wfe))
 915             break;
 916         if (IsEqualGUID(&wfe->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT) &&
 917             (!wfe->Samples.wValidBitsPerSample || wfe->Samples.wValidBitsPerSample == 32) &&
 918             fmt->wBitsPerSample == 32)
 919             This->ss.format = PA_SAMPLE_FLOAT32LE;
 920         else if (IsEqualGUID(&wfe->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM)) {
 921             DWORD valid = wfe->Samples.wValidBitsPerSample;
 922             if (!valid)
 923                 valid = fmt->wBitsPerSample;
 924             if (!valid || valid > fmt->wBitsPerSample)
 925                 break;
 926             switch (fmt->wBitsPerSample) {
 927                 case 8:
 928                     if (valid == 8)
 929                         This->ss.format = PA_SAMPLE_U8;
 930                     break;
 931                 case 16:
 932                     if (valid == 16)
 933                         This->ss.format = PA_SAMPLE_S16LE;
 934                     break;
 935                 case 24:
 936                     if (valid == 24)
 937                         This->ss.format = PA_SAMPLE_S24LE;
 938                     break;
 939                 case 32:
 940                     if (valid == 24)
 941                         This->ss.format = PA_SAMPLE_S24_32LE;
 942                     else if (valid == 32)
 943                         This->ss.format = PA_SAMPLE_S32LE;
 944                 default:
 945                     break;
 946             }
 947         }
 948         This->map.channels = fmt->nChannels;
 949         if (!mask)
 950             mask = get_channel_mask(fmt->nChannels);
 951         for (j = 0; j < sizeof(pulse_pos_from_wfx)/sizeof(*pulse_pos_from_wfx) && i < fmt->nChannels; ++j) {
 952             if (mask & (1 << j))
 953                 This->map.map[i++] = pulse_pos_from_wfx[j];
 954         }
 955
 956         /* Special case for mono since pulse appears to map it differently */
 957         if (mask == SPEAKER_FRONT_CENTER)
 958             This->map.map[0] = PA_CHANNEL_POSITION_MONO;
 959
 960         if ((mask & SPEAKER_ALL) && i < fmt->nChannels) {
 961             This->map.map[i++] = PA_CHANNEL_POSITION_MONO;
 962             FIXME("Is the 'all' channel mapped correctly?\n");
 963         }
 964
 965         if (i < fmt->nChannels || (mask & SPEAKER_RESERVED)) {
 966             This->map.channels = 0;
 967             ERR("Invalid channel mask: %i/%i and %x\n", i, fmt->nChannels, mask);
 968             break;
 969         }
 970         break;
 971         }
 972         default: FIXME("Unhandled tag %x\n", fmt->wFormatTag);
 973     }
 974     This->ss.channels = This->map.channels;
 975     if (!pa_channel_map_valid(&This->map) || This->ss.format == PA_SAMPLE_INVALID) {
 976         ERR("Invalid format! Channel spec valid: %i, format: %i\n", pa_channel_map_valid(&This->map), This->ss.format);
 977         dump_fmt(fmt);
 978         return AUDCLNT_E_UNSUPPORTED_FORMAT;
 979     }
 980     return S_OK;
 981 }
 982
 983 static HRESULT WINAPI AudioClient_Initialize(IAudioClient *iface,
 984         AUDCLNT_SHAREMODE mode, DWORD flags, REFERENCE_TIME duration,
 985         REFERENCE_TIME period, const WAVEFORMATEX *fmt,
 986         const GUID *sessionguid)
 987 {
 988     ACImpl *This = impl_from_IAudioClient(iface);
 989     HRESULT hr = S_OK;
 990     UINT period_bytes;
 991
 992     TRACE("(%p)->(%x, %x, %s, %s, %p, %s)\n", This, mode, flags,
 993           wine_dbgstr_longlong(duration), wine_dbgstr_longlong(period), fmt, debugstr_guid(sessionguid));
 994
 995     if (!fmt)
 996         return E_POINTER;
 997
 998     if (mode != AUDCLNT_SHAREMODE_SHARED && mode != AUDCLNT_SHAREMODE_EXCLUSIVE)
 999         return AUDCLNT_E_NOT_INITIALIZED;
1000     if (mode == AUDCLNT_SHAREMODE_EXCLUSIVE)
1001         return AUDCLNT_E_EXCLUSIVE_MODE_NOT_ALLOWED;
1002
1003     if (flags & ~(AUDCLNT_STREAMFLAGS_CROSSPROCESS |
1004                 AUDCLNT_STREAMFLAGS_LOOPBACK |
1005                 AUDCLNT_STREAMFLAGS_EVENTCALLBACK |
1006                 AUDCLNT_STREAMFLAGS_NOPERSIST |
1007                 AUDCLNT_STREAMFLAGS_RATEADJUST |
1008                 AUDCLNT_SESSIONFLAGS_EXPIREWHENUNOWNED |
1009                 AUDCLNT_SESSIONFLAGS_DISPLAY_HIDE |
1010                 AUDCLNT_SESSIONFLAGS_DISPLAY_HIDEWHENEXPIRED)) {
1011         TRACE("Unknown flags: %08x\n", flags);
1012         return E_INVALIDARG;
1013     }
1014
1015     pthread_mutex_lock(&pulse_lock);
1016     if (This->stream) {
1017         pthread_mutex_unlock(&pulse_lock);
1018         return AUDCLNT_E_ALREADY_INITIALIZED;
1019     }
1020
1021     hr = pulse_spec_from_waveformat(This, fmt);
1022     if (FAILED(hr))
1023         goto exit;
1024
1025     if (mode == AUDCLNT_SHAREMODE_SHARED) {
1026         period = pulse_def_period[This->dataflow == eCapture];
1027         if (duration < 2 * period)
1028             duration = 2 * period;
1029     }
1030     period_bytes = pa_frame_size(&This->ss) * MulDiv(period, This->ss.rate, 10000000);
1031
1032     if (duration < 20000000)
1033         This->bufsize_frames = ceil((duration / 10000000.) * fmt->nSamplesPerSec);
1034     else
1035         This->bufsize_frames = 2 * fmt->nSamplesPerSec;
1036     This->bufsize_bytes = This->bufsize_frames * pa_frame_size(&This->ss);
1037
1038     This->share = mode;
1039     This->flags = flags;
1040     hr = pulse_stream_connect(This, period_bytes);
1041     if (SUCCEEDED(hr)) {
1042         UINT32 unalign;
1043         const pa_buffer_attr *attr = pa_stream_get_buffer_attr(This->stream);
1044         /* Update frames according to new size */
1045         dump_attr(attr);
1046         if (This->dataflow == eRender)
1047             This->bufsize_bytes = attr->tlength;
1048         else {
1049             This->capture_period = period_bytes = attr->fragsize;
1050             if ((unalign = This->bufsize_bytes % period_bytes))
1051                 This->bufsize_bytes += period_bytes - unalign;
1052         }
1053         This->bufsize_frames = This->bufsize_bytes / pa_frame_size(&This->ss);
1054     }
1055     if (SUCCEEDED(hr)) {
1056         UINT32 i, capture_packets = This->capture_period ? This->bufsize_bytes / This->capture_period : 0;
1057         This->tmp_buffer = HeapAlloc(GetProcessHeap(), 0, This->bufsize_bytes + capture_packets * sizeof(ACPacket));
1058         if (!This->tmp_buffer)
1059             hr = E_OUTOFMEMORY;
1060         else {
1061             ACPacket *cur_packet = (ACPacket*)((char*)This->tmp_buffer + This->bufsize_bytes);
1062             BYTE *data = This->tmp_buffer;
1063             memset(This->tmp_buffer, This->ss.format == PA_SAMPLE_U8 ? 0x80 : 0, This->bufsize_bytes);
1064             list_init(&This->packet_free_head);
1065             list_init(&This->packet_filled_head);
1066             for (i = 0; i < capture_packets; ++i, ++cur_packet) {
1067                 list_add_tail(&This->packet_free_head, &cur_packet->entry);
1068                 cur_packet->data = data;
1069                 data += This->capture_period;
1070             }
1071             assert(!This->capture_period || This->bufsize_bytes == This->capture_period * capture_packets);
1072             assert(!capture_packets || data - This->bufsize_bytes == This->tmp_buffer);
1073         }
1074     }
1075
1076 exit:
1077     if (FAILED(hr)) {
1078         HeapFree(GetProcessHeap(), 0, This->tmp_buffer);
1079         This->tmp_buffer = NULL;
1080         if (This->stream) {
1081             pa_stream_disconnect(This->stream);
1082             pa_stream_unref(This->stream);
1083             This->stream = NULL;
1084         }
1085     }
1086     pthread_mutex_unlock(&pulse_lock);
1087     return hr;
1088 }
1089
1090 static HRESULT WINAPI AudioClient_GetBufferSize(IAudioClient *iface,
1091         UINT32 *out)
1092 {
1093     ACImpl *This = impl_from_IAudioClient(iface);
1094     HRESULT hr;
1095
1096     TRACE("(%p)->(%p)\n", This, out);
1097
1098     if (!out)
1099         return E_POINTER;
1100
1101     pthread_mutex_lock(&pulse_lock);
1102     hr = pulse_stream_valid(This);
1103     if (SUCCEEDED(hr))
1104         *out = This->bufsize_frames;
1105     pthread_mutex_unlock(&pulse_lock);
1106
1107     return hr;
1108 }
1109
1110 static HRESULT WINAPI AudioClient_GetStreamLatency(IAudioClient *iface,
1111         REFERENCE_TIME *latency)
1112 {
1113     ACImpl *This = impl_from_IAudioClient(iface);
1114     const pa_buffer_attr *attr;
1115     REFERENCE_TIME lat;
1116     HRESULT hr;
1117
1118     TRACE("(%p)->(%p)\n", This, latency);
1119
1120     if (!latency)
1121         return E_POINTER;
1122
1123     pthread_mutex_lock(&pulse_lock);
1124     hr = pulse_stream_valid(This);
1125     if (FAILED(hr)) {
1126         pthread_mutex_unlock(&pulse_lock);
1127         return hr;
1128     }
1129     attr = pa_stream_get_buffer_attr(This->stream);
1130     if (This->dataflow == eRender)
1131         lat = attr->minreq / pa_frame_size(&This->ss);
1132     else
1133         lat = attr->fragsize / pa_frame_size(&This->ss);
1134     *latency = 10000000;
1135     *latency *= lat;
1136     *latency /= This->ss.rate;
1137     pthread_mutex_unlock(&pulse_lock);
1138     TRACE("Latency: %u ms\n", (DWORD)(*latency / 10000));
1139     return S_OK;
1140 }
1141
1142 static void ACImpl_GetRenderPad(ACImpl *This, UINT32 *out)
1143 {
1144     *out = This->pad / pa_frame_size(&This->ss);
1145 }
1146
1147 static void ACImpl_GetCapturePad(ACImpl *This, UINT32 *out)
1148 {
1149     ACPacket *packet = This->locked_ptr;
1150     if (!packet && !list_empty(&This->packet_filled_head)) {
1151         packet = (ACPacket*)list_head(&This->packet_filled_head);
1152         This->locked_ptr = packet;
1153         list_remove(&packet->entry);
1154     }
1155     if (out)
1156         *out = This->pad / pa_frame_size(&This->ss);
1157 }
1158
1159 static HRESULT WINAPI AudioClient_GetCurrentPadding(IAudioClient *iface,
1160         UINT32 *out)
1161 {
1162     ACImpl *This = impl_from_IAudioClient(iface);
1163     HRESULT hr;
1164
1165     TRACE("(%p)->(%p)\n", This, out);
1166
1167     if (!out)
1168         return E_POINTER;
1169
1170     pthread_mutex_lock(&pulse_lock);
1171     hr = pulse_stream_valid(This);
1172     if (FAILED(hr)) {
1173         pthread_mutex_unlock(&pulse_lock);
1174         return hr;
1175     }
1176
1177     if (This->dataflow == eRender)
1178         ACImpl_GetRenderPad(This, out);
1179     else
1180         ACImpl_GetCapturePad(This, out);
1181     pthread_mutex_unlock(&pulse_lock);
1182
1183     TRACE("%p Pad: %u ms (%u)\n", This, MulDiv(*out, 1000, This->ss.rate), *out);
1184     return S_OK;
1185 }
1186
1187 static HRESULT WINAPI AudioClient_IsFormatSupported(IAudioClient *iface,
1188         AUDCLNT_SHAREMODE mode, const WAVEFORMATEX *fmt,
1189         WAVEFORMATEX **out)
1190 {
1191     ACImpl *This = impl_from_IAudioClient(iface);
1192     HRESULT hr = S_OK;
1193     WAVEFORMATEX *closest = NULL;
1194
1195     TRACE("(%p)->(%x, %p, %p)\n", This, mode, fmt, out);
1196
1197     if (!fmt || (mode == AUDCLNT_SHAREMODE_SHARED && !out))
1198         return E_POINTER;
1199
1200     if (out)
1201         *out = NULL;
1202     if (mode != AUDCLNT_SHAREMODE_SHARED && mode != AUDCLNT_SHAREMODE_EXCLUSIVE)
1203         return E_INVALIDARG;
1204     if (mode == AUDCLNT_SHAREMODE_EXCLUSIVE)
1205         return This->dataflow == eCapture ? AUDCLNT_E_UNSUPPORTED_FORMAT : AUDCLNT_E_EXCLUSIVE_MODE_NOT_ALLOWED;
1206     if (fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
1207         fmt->cbSize < sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX))
1208         return E_INVALIDARG;
1209
1210     dump_fmt(fmt);
1211
1212     closest = clone_format(fmt);
1213     if (!closest)
1214         hr = E_OUTOFMEMORY;
1215
1216     if (hr == S_OK || !out) {
1217         CoTaskMemFree(closest);
1218         if (out)
1219             *out = NULL;
1220     } else if (closest) {
1221         closest->nBlockAlign =
1222             closest->nChannels * closest->wBitsPerSample / 8;
1223         closest->nAvgBytesPerSec =
1224             closest->nBlockAlign * closest->nSamplesPerSec;
1225         *out = closest;
1226     }
1227
1228     TRACE("returning: %08x %p\n", hr, out ? *out : NULL);
1229     return hr;
1230 }
1231
1232 static HRESULT WINAPI AudioClient_GetMixFormat(IAudioClient *iface,
1233         WAVEFORMATEX **pwfx)
1234 {
1235     ACImpl *This = impl_from_IAudioClient(iface);
1236     WAVEFORMATEXTENSIBLE *fmt = &pulse_fmt[This->dataflow == eCapture];
1237
1238     TRACE("(%p)->(%p)\n", This, pwfx);
1239
1240     if (!pwfx)
1241         return E_POINTER;
1242
1243     *pwfx = clone_format(&fmt->Format);
1244     if (!*pwfx)
1245         return E_OUTOFMEMORY;
1246     dump_fmt(*pwfx);
1247     return S_OK;
1248 }
1249
1250 static HRESULT WINAPI AudioClient_GetDevicePeriod(IAudioClient *iface,
1251         REFERENCE_TIME *defperiod, REFERENCE_TIME *minperiod)
1252 {
1253     ACImpl *This = impl_from_IAudioClient(iface);
1254
1255     TRACE("(%p)->(%p, %p)\n", This, defperiod, minperiod);
1256
1257     if (!defperiod && !minperiod)
1258         return E_POINTER;
1259
1260     if (defperiod)
1261         *defperiod = pulse_def_period[This->dataflow == eCapture];
1262     if (minperiod)
1263         *minperiod = pulse_min_period[This->dataflow == eCapture];
1264
1265     return S_OK;
1266 }
1267
1268 static HRESULT WINAPI AudioClient_Start(IAudioClient *iface)
1269 {
1270     ACImpl *This = impl_from_IAudioClient(iface);
1271     HRESULT hr = S_OK;
1272     int success;
1273     pa_operation *o;
1274
1275     TRACE("(%p)\n", This);
1276
1277     pthread_mutex_lock(&pulse_lock);
1278     hr = pulse_stream_valid(This);
1279     if (FAILED(hr)) {
1280         pthread_mutex_unlock(&pulse_lock);
1281         return hr;
1282     }
1283
1284     if ((This->flags & AUDCLNT_STREAMFLAGS_EVENTCALLBACK) && !This->event) {
1285         pthread_mutex_unlock(&pulse_lock);
1286         return AUDCLNT_E_EVENTHANDLE_NOT_SET;
1287     }
1288
1289     if (This->started) {
1290         pthread_mutex_unlock(&pulse_lock);
1291         return AUDCLNT_E_NOT_STOPPED;
1292     }
1293     This->clock_pulse = PA_USEC_INVALID;
1294
1295     if (pa_stream_is_corked(This->stream)) {
1296         o = pa_stream_cork(This->stream, 0, pulse_op_cb, &success);
1297         if (o) {
1298             while(pa_operation_get_state(o) == PA_OPERATION_RUNNING)
1299                 pthread_cond_wait(&pulse_cond, &pulse_lock);
1300             pa_operation_unref(o);
1301         } else
1302             success = 0;
1303         if (!success)
1304             hr = E_FAIL;
1305     }
1306     if (SUCCEEDED(hr)) {
1307         This->started = TRUE;
1308         if (This->dataflow == eRender && This->event)
1309             pa_stream_set_latency_update_callback(This->stream, pulse_latency_callback, This);
1310     }
1311     pthread_mutex_unlock(&pulse_lock);
1312     return hr;
1313 }
1314
1315 static HRESULT WINAPI AudioClient_Stop(IAudioClient *iface)
1316 {
1317     ACImpl *This = impl_from_IAudioClient(iface);
1318     HRESULT hr = S_OK;
1319     pa_operation *o;
1320     int success;
1321
1322     TRACE("(%p)\n", This);
1323
1324     pthread_mutex_lock(&pulse_lock);
1325     hr = pulse_stream_valid(This);
1326     if (FAILED(hr)) {
1327         pthread_mutex_unlock(&pulse_lock);
1328         return hr;
1329     }
1330
1331     if (!This->started) {
1332         pthread_mutex_unlock(&pulse_lock);
1333         return S_FALSE;
1334     }
1335
1336     if (This->dataflow == eRender) {
1337         o = pa_stream_cork(This->stream, 1, pulse_op_cb, &success);
1338         if (o) {
1339             while(pa_operation_get_state(o) == PA_OPERATION_RUNNING)
1340                 pthread_cond_wait(&pulse_cond, &pulse_lock);
1341             pa_operation_unref(o);
1342         } else
1343             success = 0;
1344         if (!success)
1345             hr = E_FAIL;
1346     }
1347     if (SUCCEEDED(hr)) {
1348         This->started = FALSE;
1349         This->clock_pulse = PA_USEC_INVALID;
1350     }
1351     pthread_mutex_unlock(&pulse_lock);
1352     return hr;
1353 }
1354
1355 static HRESULT WINAPI AudioClient_Reset(IAudioClient *iface)
1356 {
1357     ACImpl *This = impl_from_IAudioClient(iface);
1358     HRESULT hr = S_OK;
1359
1360     TRACE("(%p)\n", This);
1361
1362     pthread_mutex_lock(&pulse_lock);
1363     hr = pulse_stream_valid(This);
1364     if (FAILED(hr)) {
1365         pthread_mutex_unlock(&pulse_lock);
1366         return hr;
1367     }
1368
1369     if (This->started) {
1370         pthread_mutex_unlock(&pulse_lock);
1371         return AUDCLNT_E_NOT_STOPPED;
1372     }
1373
1374     if (This->locked) {
1375         pthread_mutex_unlock(&pulse_lock);
1376         return AUDCLNT_E_BUFFER_OPERATION_PENDING;
1377     }
1378
1379     if (This->dataflow == eRender) {
1380         /* If there is still data in the render buffer it needs to be removed from the server */
1381         int success = 0;
1382         if (This->pad) {
1383             pa_operation *o = pa_stream_flush(This->stream, pulse_op_cb, &success);
1384             if (o) {
1385                 while(pa_operation_get_state(o) == PA_OPERATION_RUNNING)
1386                     pthread_cond_wait(&pulse_cond, &pulse_lock);
1387                 pa_operation_unref(o);
1388             }
1389         }
1390         if (success || !This->pad)
1391             This->clock_lastpos = This->clock_written = This->pad = 0;
1392     } else {
1393         ACPacket *p;
1394         This->clock_written += This->pad;
1395         This->pad = 0;
1396
1397         if ((p = This->locked_ptr)) {
1398             This->locked_ptr = NULL;
1399             list_add_tail(&This->packet_free_head, &p->entry);
1400         }
1401         list_move_tail(&This->packet_free_head, &This->packet_filled_head);
1402     }
1403     pthread_mutex_unlock(&pulse_lock);
1404
1405     return hr;
1406 }
1407
1408 static HRESULT WINAPI AudioClient_SetEventHandle(IAudioClient *iface,
1409         HANDLE event)
1410 {
1411     ACImpl *This = impl_from_IAudioClient(iface);
1412     HRESULT hr;
1413
1414     TRACE("(%p)->(%p)\n", This, event);
1415
1416     if (!event)
1417         return E_INVALIDARG;
1418
1419     pthread_mutex_lock(&pulse_lock);
1420     hr = pulse_stream_valid(This);
1421     if (FAILED(hr)) {
1422         pthread_mutex_unlock(&pulse_lock);
1423         return hr;
1424     }
1425
1426     if (!(This->flags & AUDCLNT_STREAMFLAGS_EVENTCALLBACK))
1427         hr = AUDCLNT_E_EVENTHANDLE_NOT_EXPECTED;
1428     else if (This->event)
1429         hr = HRESULT_FROM_WIN32(ERROR_INVALID_NAME);
1430     else
1431         This->event = event;
1432     pthread_mutex_unlock(&pulse_lock);
1433     return hr;
1434 }
1435
1436 static HRESULT WINAPI AudioClient_GetService(IAudioClient *iface, REFIID riid,
1437         void **ppv)
1438 {
1439     ACImpl *This = impl_from_IAudioClient(iface);
1440     HRESULT hr;
1441
1442     TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(riid), ppv);
1443
1444     if (!ppv)
1445         return E_POINTER;
1446     *ppv = NULL;
1447
1448     pthread_mutex_lock(&pulse_lock);
1449     hr = pulse_stream_valid(This);
1450     pthread_mutex_unlock(&pulse_lock);
1451     if (FAILED(hr))
1452         return hr;
1453
1454     if (IsEqualIID(riid, &IID_IAudioRenderClient)) {
1455         if (This->dataflow != eRender)
1456             return AUDCLNT_E_WRONG_ENDPOINT_TYPE;
1457         *ppv = &This->IAudioRenderClient_iface;
1458     } else if (IsEqualIID(riid, &IID_IAudioCaptureClient)) {
1459         if (This->dataflow != eCapture)
1460             return AUDCLNT_E_WRONG_ENDPOINT_TYPE;
1461         *ppv = &This->IAudioCaptureClient_iface;
1462     } else if (IsEqualIID(riid, &IID_IAudioClock)) {
1463         *ppv = &This->IAudioClock_iface;
1464     }
1465
1466     if (*ppv) {
1467         IUnknown_AddRef((IUnknown*)*ppv);
1468         return S_OK;
1469     }
1470
1471     FIXME("stub %s\n", debugstr_guid(riid));
1472     return E_NOINTERFACE;
1473 }
1474
1475 static const IAudioClientVtbl AudioClient_Vtbl =
1476 {
1477     AudioClient_QueryInterface,
1478     AudioClient_AddRef,
1479     AudioClient_Release,
1480     AudioClient_Initialize,
1481     AudioClient_GetBufferSize,
1482     AudioClient_GetStreamLatency,
1483     AudioClient_GetCurrentPadding,
1484     AudioClient_IsFormatSupported,
1485     AudioClient_GetMixFormat,
1486     AudioClient_GetDevicePeriod,
1487     AudioClient_Start,
1488     AudioClient_Stop,
1489     AudioClient_Reset,
1490     AudioClient_SetEventHandle,
1491     AudioClient_GetService
1492 };
1493
1494 static HRESULT WINAPI AudioRenderClient_QueryInterface(
1495         IAudioRenderClient *iface, REFIID riid, void **ppv)
1496 {
1497     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
1498
1499     if (!ppv)
1500         return E_POINTER;
1501     *ppv = NULL;
1502
1503     if (IsEqualIID(riid, &IID_IUnknown) ||
1504         IsEqualIID(riid, &IID_IAudioRenderClient))
1505         *ppv = iface;
1506     if (*ppv) {
1507         IUnknown_AddRef((IUnknown*)*ppv);
1508         return S_OK;
1509     }
1510
1511     WARN("Unknown interface %s\n", debugstr_guid(riid));
1512     return E_NOINTERFACE;
1513 }
1514
1515 static ULONG WINAPI AudioRenderClient_AddRef(IAudioRenderClient *iface)
1516 {
1517     ACImpl *This = impl_from_IAudioRenderClient(iface);
1518     return AudioClient_AddRef(&This->IAudioClient_iface);
1519 }
1520
1521 static ULONG WINAPI AudioRenderClient_Release(IAudioRenderClient *iface)
1522 {
1523     ACImpl *This = impl_from_IAudioRenderClient(iface);
1524     return AudioClient_Release(&This->IAudioClient_iface);
1525 }
1526
1527 static HRESULT WINAPI AudioRenderClient_GetBuffer(IAudioRenderClient *iface,
1528         UINT32 frames, BYTE **data)
1529 {
1530     ACImpl *This = impl_from_IAudioRenderClient(iface);
1531     UINT32 avail, pad, req, bytes = frames * pa_frame_size(&This->ss);
1532     HRESULT hr = S_OK;
1533     int ret = -1;
1534
1535     TRACE("(%p)->(%u, %p)\n", This, frames, data);
1536
1537     if (!data)
1538         return E_POINTER;
1539     *data = NULL;
1540
1541     pthread_mutex_lock(&pulse_lock);
1542     hr = pulse_stream_valid(This);
1543     if (FAILED(hr) || This->locked) {
1544         pthread_mutex_unlock(&pulse_lock);
1545         return FAILED(hr) ? hr : AUDCLNT_E_OUT_OF_ORDER;
1546     }
1547     if (!frames) {
1548         pthread_mutex_unlock(&pulse_lock);
1549         return S_OK;
1550     }
1551
1552     ACImpl_GetRenderPad(This, &pad);
1553     avail = This->bufsize_frames - pad;
1554     if (avail < frames || bytes > This->bufsize_bytes) {
1555         pthread_mutex_unlock(&pulse_lock);
1556         WARN("Wanted to write %u, but only %u available\n", frames, avail);
1557         return AUDCLNT_E_BUFFER_TOO_LARGE;
1558     }
1559
1560     This->locked = frames;
1561     req = bytes;
1562     ret = pa_stream_begin_write(This->stream, &This->locked_ptr, &req);
1563     if (ret < 0 || req < bytes) {
1564         FIXME("%p Not using pulse locked data: %i %u/%u %u/%u\n", This, ret, req/pa_frame_size(&This->ss), frames, pad, This->bufsize_frames);
1565         if (ret >= 0)
1566             pa_stream_cancel_write(This->stream);
1567         *data = This->tmp_buffer;
1568         This->locked_ptr = NULL;
1569     } else
1570         *data = This->locked_ptr;
1571     pthread_mutex_unlock(&pulse_lock);
1572     return hr;
1573 }
1574
1575 static HRESULT WINAPI AudioRenderClient_ReleaseBuffer(
1576         IAudioRenderClient *iface, UINT32 written_frames, DWORD flags)
1577 {
1578     ACImpl *This = impl_from_IAudioRenderClient(iface);
1579     UINT32 written_bytes = written_frames * pa_frame_size(&This->ss);
1580
1581     TRACE("(%p)->(%u, %x)\n", This, written_frames, flags);
1582
1583     pthread_mutex_lock(&pulse_lock);
1584     if (!This->locked || !written_frames) {
1585         if (This->locked_ptr)
1586             pa_stream_cancel_write(This->stream);
1587         This->locked = 0;
1588         This->locked_ptr = NULL;
1589         pthread_mutex_unlock(&pulse_lock);
1590         return written_frames ? AUDCLNT_E_OUT_OF_ORDER : S_OK;
1591     }
1592
1593     if (This->locked < written_frames) {
1594         pthread_mutex_unlock(&pulse_lock);
1595         return AUDCLNT_E_INVALID_SIZE;
1596     }
1597
1598     if (flags & AUDCLNT_BUFFERFLAGS_SILENT) {
1599         if (This->ss.format == PA_SAMPLE_U8)
1600             memset(This->tmp_buffer, 128, written_bytes);
1601         else
1602             memset(This->tmp_buffer, 0, written_bytes);
1603     }
1604
1605     This->locked = 0;
1606     if (This->locked_ptr)
1607         pa_stream_write(This->stream, This->locked_ptr, written_bytes, NULL, 0, PA_SEEK_RELATIVE);
1608     else
1609         pa_stream_write(This->stream, This->tmp_buffer, written_bytes, NULL, 0, PA_SEEK_RELATIVE);
1610     This->pad += written_bytes;
1611     This->locked_ptr = NULL;
1612     TRACE("Released %u, pad %u\n", written_frames, This->pad / pa_frame_size(&This->ss));
1613     assert(This->pad <= This->bufsize_bytes);
1614     pthread_mutex_unlock(&pulse_lock);
1615     return S_OK;
1616 }
1617
1618 static const IAudioRenderClientVtbl AudioRenderClient_Vtbl = {
1619     AudioRenderClient_QueryInterface,
1620     AudioRenderClient_AddRef,
1621     AudioRenderClient_Release,
1622     AudioRenderClient_GetBuffer,
1623     AudioRenderClient_ReleaseBuffer
1624 };
1625
1626 static HRESULT WINAPI AudioCaptureClient_QueryInterface(
1627         IAudioCaptureClient *iface, REFIID riid, void **ppv)
1628 {
1629     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
1630
1631     if (!ppv)
1632         return E_POINTER;
1633     *ppv = NULL;
1634
1635     if (IsEqualIID(riid, &IID_IUnknown) ||
1636         IsEqualIID(riid, &IID_IAudioCaptureClient))
1637         *ppv = iface;
1638     if (*ppv) {
1639         IUnknown_AddRef((IUnknown*)*ppv);
1640         return S_OK;
1641     }
1642
1643     WARN("Unknown interface %s\n", debugstr_guid(riid));
1644     return E_NOINTERFACE;
1645 }
1646
1647 static ULONG WINAPI AudioCaptureClient_AddRef(IAudioCaptureClient *iface)
1648 {
1649     ACImpl *This = impl_from_IAudioCaptureClient(iface);
1650     return IAudioClient_AddRef(&This->IAudioClient_iface);
1651 }
1652
1653 static ULONG WINAPI AudioCaptureClient_Release(IAudioCaptureClient *iface)
1654 {
1655     ACImpl *This = impl_from_IAudioCaptureClient(iface);
1656     return IAudioClient_Release(&This->IAudioClient_iface);
1657 }
1658
1659 static HRESULT WINAPI AudioCaptureClient_GetBuffer(IAudioCaptureClient *iface,
1660         BYTE **data, UINT32 *frames, DWORD *flags, UINT64 *devpos,
1661         UINT64 *qpcpos)
1662 {
1663     ACImpl *This = impl_from_IAudioCaptureClient(iface);
1664     HRESULT hr;
1665     ACPacket *packet;
1666
1667     TRACE("(%p)->(%p, %p, %p, %p, %p)\n", This, data, frames, flags,
1668             devpos, qpcpos);
1669
1670     if (!data || !frames || !flags)
1671         return E_POINTER;
1672
1673     pthread_mutex_lock(&pulse_lock);
1674     hr = pulse_stream_valid(This);
1675     if (FAILED(hr) || This->locked) {
1676         pthread_mutex_unlock(&pulse_lock);
1677         return FAILED(hr) ? hr : AUDCLNT_E_OUT_OF_ORDER;
1678     }
1679
1680     ACImpl_GetCapturePad(This, NULL);
1681     if ((packet = This->locked_ptr)) {
1682         *frames = This->capture_period / pa_frame_size(&This->ss);
1683         *flags = 0;
1684         if (packet->discont)
1685             *flags |= AUDCLNT_BUFFERFLAGS_DATA_DISCONTINUITY;
1686         if (devpos) {
1687             if (packet->discont)
1688                 *devpos = (This->clock_written + This->capture_period) / pa_frame_size(&This->ss);
1689             else
1690                 *devpos = This->clock_written / pa_frame_size(&This->ss);
1691         }
1692         if (qpcpos)
1693             *qpcpos = packet->qpcpos;
1694         *data = packet->data;
1695     }
1696     else
1697         *frames = 0;
1698     This->locked = *frames;
1699     pthread_mutex_unlock(&pulse_lock);
1700     return *frames ? S_OK : AUDCLNT_S_BUFFER_EMPTY;
1701 }
1702
1703 static HRESULT WINAPI AudioCaptureClient_ReleaseBuffer(
1704         IAudioCaptureClient *iface, UINT32 done)
1705 {
1706     ACImpl *This = impl_from_IAudioCaptureClient(iface);
1707
1708     TRACE("(%p)->(%u)\n", This, done);
1709
1710     pthread_mutex_lock(&pulse_lock);
1711     if (!This->locked && done) {
1712         pthread_mutex_unlock(&pulse_lock);
1713         return AUDCLNT_E_OUT_OF_ORDER;
1714     }
1715     if (done && This->locked != done) {
1716         pthread_mutex_unlock(&pulse_lock);
1717         return AUDCLNT_E_INVALID_SIZE;
1718     }
1719     if (done) {
1720         ACPacket *packet = This->locked_ptr;
1721         This->locked_ptr = NULL;
1722         This->pad -= This->capture_period;
1723         if (packet->discont)
1724             This->clock_written += 2 * This->capture_period;
1725         else
1726             This->clock_written += This->capture_period;
1727         list_add_tail(&This->packet_free_head, &packet->entry);
1728     }
1729     This->locked = 0;
1730     pthread_mutex_unlock(&pulse_lock);
1731     return S_OK;
1732 }
1733
1734 static HRESULT WINAPI AudioCaptureClient_GetNextPacketSize(
1735         IAudioCaptureClient *iface, UINT32 *frames)
1736 {
1737     ACImpl *This = impl_from_IAudioCaptureClient(iface);
1738     ACPacket *p;
1739
1740     TRACE("(%p)->(%p)\n", This, frames);
1741     if (!frames)
1742         return E_POINTER;
1743
1744     pthread_mutex_lock(&pulse_lock);
1745     ACImpl_GetCapturePad(This, NULL);
1746     p = This->locked_ptr;
1747     if (p)
1748         *frames = This->capture_period / pa_frame_size(&This->ss);
1749     else
1750         *frames = 0;
1751     pthread_mutex_unlock(&pulse_lock);
1752     return S_OK;
1753 }
1754
1755 static const IAudioCaptureClientVtbl AudioCaptureClient_Vtbl =
1756 {
1757     AudioCaptureClient_QueryInterface,
1758     AudioCaptureClient_AddRef,
1759     AudioCaptureClient_Release,
1760     AudioCaptureClient_GetBuffer,
1761     AudioCaptureClient_ReleaseBuffer,
1762     AudioCaptureClient_GetNextPacketSize
1763 };
1764
1765 static HRESULT WINAPI AudioClock_QueryInterface(IAudioClock *iface,
1766         REFIID riid, void **ppv)
1767 {
1768     ACImpl *This = impl_from_IAudioClock(iface);
1769
1770     TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
1771
1772     if (!ppv)
1773         return E_POINTER;
1774     *ppv = NULL;
1775
1776     if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IAudioClock))
1777         *ppv = iface;
1778     else if (IsEqualIID(riid, &IID_IAudioClock2))
1779         *ppv = &This->IAudioClock2_iface;
1780     if (*ppv) {
1781         IUnknown_AddRef((IUnknown*)*ppv);
1782         return S_OK;
1783     }
1784
1785     WARN("Unknown interface %s\n", debugstr_guid(riid));
1786     return E_NOINTERFACE;
1787 }
1788
1789 static ULONG WINAPI AudioClock_AddRef(IAudioClock *iface)
1790 {
1791     ACImpl *This = impl_from_IAudioClock(iface);
1792     return IAudioClient_AddRef(&This->IAudioClient_iface);
1793 }
1794
1795 static ULONG WINAPI AudioClock_Release(IAudioClock *iface)
1796 {
1797     ACImpl *This = impl_from_IAudioClock(iface);
1798     return IAudioClient_Release(&This->IAudioClient_iface);
1799 }
1800
1801 static HRESULT WINAPI AudioClock_GetFrequency(IAudioClock *iface, UINT64 *freq)
1802 {
1803     ACImpl *This = impl_from_IAudioClock(iface);
1804     HRESULT hr;
1805
1806     TRACE("(%p)->(%p)\n", This, freq);
1807
1808     pthread_mutex_lock(&pulse_lock);
1809     hr = pulse_stream_valid(This);
1810     if (SUCCEEDED(hr))
1811         *freq = This->ss.rate * pa_frame_size(&This->ss);
1812     pthread_mutex_unlock(&pulse_lock);
1813     return hr;
1814 }
1815
1816 static HRESULT WINAPI AudioClock_GetPosition(IAudioClock *iface, UINT64 *pos,
1817         UINT64 *qpctime)
1818 {
1819     ACImpl *This = impl_from_IAudioClock(iface);
1820     pa_usec_t time;
1821     HRESULT hr;
1822
1823     TRACE("(%p)->(%p, %p)\n", This, pos, qpctime);
1824
1825     if (!pos)
1826         return E_POINTER;
1827
1828     pthread_mutex_lock(&pulse_lock);
1829     hr = pulse_stream_valid(This);
1830     if (FAILED(hr)) {
1831         pthread_mutex_unlock(&pulse_lock);
1832         return hr;
1833     }
1834
1835     *pos = This->clock_written;
1836     if (This->clock_pulse != PA_USEC_INVALID && pa_stream_get_time(This->stream, &time) >= 0) {
1837         UINT32 delta = pa_usec_to_bytes(time - This->clock_pulse, &This->ss);
1838         if (delta < This->pad)
1839             *pos += delta;
1840         else
1841             *pos += This->pad;
1842     }
1843
1844     /* Make time never go backwards */
1845     if (*pos < This->clock_lastpos)
1846         *pos = This->clock_lastpos;
1847     else
1848         This->clock_lastpos = *pos;
1849     pthread_mutex_unlock(&pulse_lock);
1850
1851     TRACE("%p Position: %u\n", This, (unsigned)*pos);
1852
1853     if (qpctime) {
1854         LARGE_INTEGER stamp, freq;
1855         QueryPerformanceCounter(&stamp);
1856         QueryPerformanceFrequency(&freq);
1857         *qpctime = (stamp.QuadPart * (INT64)10000000) / freq.QuadPart;
1858     }
1859
1860     return S_OK;
1861 }
1862
1863 static HRESULT WINAPI AudioClock_GetCharacteristics(IAudioClock *iface,
1864         DWORD *chars)
1865 {
1866     ACImpl *This = impl_from_IAudioClock(iface);
1867
1868     TRACE("(%p)->(%p)\n", This, chars);
1869
1870     if (!chars)
1871         return E_POINTER;
1872
1873     *chars = AUDIOCLOCK_CHARACTERISTIC_FIXED_FREQ;
1874
1875     return S_OK;
1876 }
1877
1878 static const IAudioClockVtbl AudioClock_Vtbl =
1879 {
1880     AudioClock_QueryInterface,
1881     AudioClock_AddRef,
1882     AudioClock_Release,
1883     AudioClock_GetFrequency,
1884     AudioClock_GetPosition,
1885     AudioClock_GetCharacteristics
1886 };
1887
1888 static HRESULT WINAPI AudioClock2_QueryInterface(IAudioClock2 *iface,
1889         REFIID riid, void **ppv)
1890 {
1891     ACImpl *This = impl_from_IAudioClock2(iface);
1892     return IAudioClock_QueryInterface(&This->IAudioClock_iface, riid, ppv);
1893 }
1894
1895 static ULONG WINAPI AudioClock2_AddRef(IAudioClock2 *iface)
1896 {
1897     ACImpl *This = impl_from_IAudioClock2(iface);
1898     return IAudioClient_AddRef(&This->IAudioClient_iface);
1899 }
1900
1901 static ULONG WINAPI AudioClock2_Release(IAudioClock2 *iface)
1902 {
1903     ACImpl *This = impl_from_IAudioClock2(iface);
1904     return IAudioClient_Release(&This->IAudioClient_iface);
1905 }
1906
1907 static HRESULT WINAPI AudioClock2_GetDevicePosition(IAudioClock2 *iface,
1908         UINT64 *pos, UINT64 *qpctime)
1909 {
1910     ACImpl *This = impl_from_IAudioClock2(iface);
1911     HRESULT hr = AudioClock_GetPosition(&This->IAudioClock_iface, pos, qpctime);
1912     if (SUCCEEDED(hr))
1913         *pos /= pa_frame_size(&This->ss);
1914     return hr;
1915 }
1916
1917 static const IAudioClock2Vtbl AudioClock2_Vtbl =
1918 {
1919     AudioClock2_QueryInterface,
1920     AudioClock2_AddRef,
1921     AudioClock2_Release,
1922     AudioClock2_GetDevicePosition
1923 };
1924
1925 HRESULT WINAPI AUDDRV_GetAudioSessionManager(IMMDevice *device,
1926         IAudioSessionManager2 **out)
1927 {
1928     *out = NULL;
1929     return E_NOTIMPL;
1930 }