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