Alc/pulseaudio.c

   1 /**
   2  * OpenAL cross platform audio library
   3  * Copyright (C) 2009 by Konstantinos Natsakis <konstantinos.natsakis@gmail.com>
   4  * Copyright (C) 2010 by Chris Robinson <chris.kcat@gmail.com>
   5  * This library is free software; you can redistribute it and/or
   6  *  modify it under the terms of the GNU Library General Public
   7  *  License as published by the Free Software Foundation; either
   8  *  version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  *  Library General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Library General Public
  16  *  License along with this library; if not, write to the
  17  *  Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18  *  Boston, MA  02111-1307, USA.
  19  * Or go to http://www.gnu.org/copyleft/lgpl.html
  20  */
  21
  22 #include "config.h"
  23
  24 #include "alMain.h"
  25 #ifdef HAVE_DLFCN_H
  26 #include <dlfcn.h>
  27 #endif
  28
  29 #include <pulse/pulseaudio.h>
  30
  31 #if PA_API_VERSION == 11
  32 #define PA_STREAM_ADJUST_LATENCY 0x2000U
  33 #define PA_STREAM_EARLY_REQUESTS 0x4000U
  34 static __inline int PA_STREAM_IS_GOOD(pa_stream_state_t x)
  35 {
  36     return (x == PA_STREAM_CREATING || x == PA_STREAM_READY);
  37 }
  38 static __inline int PA_CONTEXT_IS_GOOD(pa_context_state_t x)
  39 {
  40     return (x == PA_CONTEXT_CONNECTING || x == PA_CONTEXT_AUTHORIZING ||
  41             x == PA_CONTEXT_SETTING_NAME || x == PA_CONTEXT_READY);
  42 }
  43 #define PA_STREAM_IS_GOOD PA_STREAM_IS_GOOD
  44 #define PA_CONTEXT_IS_GOOD PA_CONTEXT_IS_GOOD
  45 #elif PA_API_VERSION != 12
  46 #error Invalid PulseAudio API version
  47 #endif
  48
  49 #ifndef PA_CHECK_VERSION
  50 #define PA_CHECK_VERSION(major,minor,micro)                             \
  51     ((PA_MAJOR > (major)) ||                                            \
  52      (PA_MAJOR == (major) && PA_MINOR > (minor)) ||                     \
  53      (PA_MAJOR == (major) && PA_MINOR == (minor) && PA_MICRO >= (micro)))
  54 #endif
  55
  56 static void *pa_handle;
  57 #define MAKE_FUNC(x) static typeof(x) * p##x
  58 MAKE_FUNC(pa_context_unref);
  59 MAKE_FUNC(pa_sample_spec_valid);
  60 MAKE_FUNC(pa_stream_drop);
  61 MAKE_FUNC(pa_strerror);
  62 MAKE_FUNC(pa_context_get_state);
  63 MAKE_FUNC(pa_stream_get_state);
  64 MAKE_FUNC(pa_threaded_mainloop_signal);
  65 MAKE_FUNC(pa_stream_peek);
  66 MAKE_FUNC(pa_threaded_mainloop_wait);
  67 MAKE_FUNC(pa_threaded_mainloop_unlock);
  68 MAKE_FUNC(pa_threaded_mainloop_in_thread);
  69 MAKE_FUNC(pa_context_new);
  70 MAKE_FUNC(pa_threaded_mainloop_stop);
  71 MAKE_FUNC(pa_context_disconnect);
  72 MAKE_FUNC(pa_threaded_mainloop_start);
  73 MAKE_FUNC(pa_threaded_mainloop_get_api);
  74 MAKE_FUNC(pa_context_set_state_callback);
  75 MAKE_FUNC(pa_stream_write);
  76 MAKE_FUNC(pa_xfree);
  77 MAKE_FUNC(pa_stream_connect_record);
  78 MAKE_FUNC(pa_stream_connect_playback);
  79 MAKE_FUNC(pa_stream_readable_size);
  80 MAKE_FUNC(pa_stream_writable_size);
  81 MAKE_FUNC(pa_stream_cork);
  82 MAKE_FUNC(pa_stream_is_suspended);
  83 MAKE_FUNC(pa_stream_get_device_name);
  84 MAKE_FUNC(pa_path_get_filename);
  85 MAKE_FUNC(pa_get_binary_name);
  86 MAKE_FUNC(pa_threaded_mainloop_free);
  87 MAKE_FUNC(pa_context_errno);
  88 MAKE_FUNC(pa_xmalloc);
  89 MAKE_FUNC(pa_stream_unref);
  90 MAKE_FUNC(pa_threaded_mainloop_accept);
  91 MAKE_FUNC(pa_stream_set_write_callback);
  92 MAKE_FUNC(pa_threaded_mainloop_new);
  93 MAKE_FUNC(pa_context_connect);
  94 MAKE_FUNC(pa_stream_set_buffer_attr);
  95 MAKE_FUNC(pa_stream_get_buffer_attr);
  96 MAKE_FUNC(pa_stream_get_sample_spec);
  97 MAKE_FUNC(pa_stream_get_time);
  98 MAKE_FUNC(pa_stream_set_read_callback);
  99 MAKE_FUNC(pa_stream_set_state_callback);
 100 MAKE_FUNC(pa_stream_set_moved_callback);
 101 MAKE_FUNC(pa_stream_set_underflow_callback);
 102 MAKE_FUNC(pa_stream_new);
 103 MAKE_FUNC(pa_stream_disconnect);
 104 MAKE_FUNC(pa_threaded_mainloop_lock);
 105 MAKE_FUNC(pa_channel_map_init_auto);
 106 MAKE_FUNC(pa_channel_map_parse);
 107 MAKE_FUNC(pa_channel_map_snprint);
 108 MAKE_FUNC(pa_channel_map_equal);
 109 MAKE_FUNC(pa_context_get_server_info);
 110 MAKE_FUNC(pa_context_get_sink_info_by_name);
 111 MAKE_FUNC(pa_context_get_sink_info_list);
 112 MAKE_FUNC(pa_context_get_source_info_list);
 113 MAKE_FUNC(pa_operation_get_state);
 114 MAKE_FUNC(pa_operation_unref);
 115 #if PA_CHECK_VERSION(0,9,15)
 116 MAKE_FUNC(pa_channel_map_superset);
 117 MAKE_FUNC(pa_stream_set_buffer_attr_callback);
 118 #endif
 119 #if PA_CHECK_VERSION(0,9,16)
 120 MAKE_FUNC(pa_stream_begin_write);
 121 #endif
 122 #undef MAKE_FUNC
 123
 124 #ifndef PATH_MAX
 125 #define PATH_MAX 4096
 126 #endif
 127
 128 typedef struct {
 129     char *device_name;
 130
 131     ALCuint samples;
 132     ALCuint frame_size;
 133
 134     RingBuffer *ring;
 135
 136     pa_buffer_attr attr;
 137     pa_sample_spec spec;
 138
 139     pa_threaded_mainloop *loop;
 140
 141     ALvoid *thread;
 142     volatile ALboolean killNow;
 143
 144     pa_stream *stream;
 145     pa_context *context;
 146 } pulse_data;
 147
 148 typedef struct {
 149     char *name;
 150     char *device_name;
 151 } DevMap;
 152
 153
 154 static const ALCchar pulse_device[] = "PulseAudio Default";
 155 static DevMap *allDevNameMap;
 156 static ALuint numDevNames;
 157 static DevMap *allCaptureDevNameMap;
 158 static ALuint numCaptureDevNames;
 159 static pa_context_flags_t pulse_ctx_flags;
 160
 161
 162 void *pulse_load(void) //{{{
 163 {
 164     if(!pa_handle)
 165     {
 166 #ifdef _WIN32
 167         pa_handle = LoadLibrary("libpulse-0.dll");
 168 #define LOAD_FUNC(x) do { \
 169     p##x = (typeof(p##x))GetProcAddress(pa_handle, #x); \
 170     if(!(p##x)) { \
 171         AL_PRINT("Could not load %s from libpulse-0.dll\n", #x); \
 172         FreeLibrary(pa_handle); \
 173         pa_handle = NULL; \
 174         return NULL; \
 175     } \
 176 } while(0)
 177 #define LOAD_OPTIONAL_FUNC(x) do { \
 178     p##x = (typeof(p##x))GetProcAddress(pa_handle, #x); \
 179 } while(0)
 180
 181 #elif defined (HAVE_DLFCN_H)
 182
 183         const char *err;
 184 #if defined(__APPLE__) && defined(__MACH__)
 185         pa_handle = dlopen("libpulse.0.dylib", RTLD_NOW);
 186 #else
 187         pa_handle = dlopen("libpulse.so.0", RTLD_NOW);
 188 #endif
 189         dlerror();
 190
 191 #define LOAD_FUNC(x) do { \
 192     p##x = dlsym(pa_handle, #x); \
 193     if((err=dlerror()) != NULL) { \
 194         AL_PRINT("Could not load %s from libpulse: %s\n", #x, err); \
 195         dlclose(pa_handle); \
 196         pa_handle = NULL; \
 197         return NULL; \
 198     } \
 199 } while(0)
 200 #define LOAD_OPTIONAL_FUNC(x) do { \
 201     p##x = dlsym(pa_handle, #x); \
 202     if((err=dlerror()) != NULL) { \
 203         p##x = NULL; \
 204     } \
 205 } while(0)
 206
 207 #else
 208
 209         pa_handle = (void*)0xDEADBEEF;
 210 #define LOAD_FUNC(x) p##x = (x)
 211 #define LOAD_OPTIONAL_FUNC(x) p##x = (x)
 212
 213 #endif
 214         if(!pa_handle)
 215             return NULL;
 216
 217 LOAD_FUNC(pa_context_unref);
 218 LOAD_FUNC(pa_sample_spec_valid);
 219 LOAD_FUNC(pa_stream_drop);
 220 LOAD_FUNC(pa_strerror);
 221 LOAD_FUNC(pa_context_get_state);
 222 LOAD_FUNC(pa_stream_get_state);
 223 LOAD_FUNC(pa_threaded_mainloop_signal);
 224 LOAD_FUNC(pa_stream_peek);
 225 LOAD_FUNC(pa_threaded_mainloop_wait);
 226 LOAD_FUNC(pa_threaded_mainloop_unlock);
 227 LOAD_FUNC(pa_threaded_mainloop_in_thread);
 228 LOAD_FUNC(pa_context_new);
 229 LOAD_FUNC(pa_threaded_mainloop_stop);
 230 LOAD_FUNC(pa_context_disconnect);
 231 LOAD_FUNC(pa_threaded_mainloop_start);
 232 LOAD_FUNC(pa_threaded_mainloop_get_api);
 233 LOAD_FUNC(pa_context_set_state_callback);
 234 LOAD_FUNC(pa_stream_write);
 235 LOAD_FUNC(pa_xfree);
 236 LOAD_FUNC(pa_stream_connect_record);
 237 LOAD_FUNC(pa_stream_connect_playback);
 238 LOAD_FUNC(pa_stream_readable_size);
 239 LOAD_FUNC(pa_stream_writable_size);
 240 LOAD_FUNC(pa_stream_cork);
 241 LOAD_FUNC(pa_stream_is_suspended);
 242 LOAD_FUNC(pa_stream_get_device_name);
 243 LOAD_FUNC(pa_path_get_filename);
 244 LOAD_FUNC(pa_get_binary_name);
 245 LOAD_FUNC(pa_threaded_mainloop_free);
 246 LOAD_FUNC(pa_context_errno);
 247 LOAD_FUNC(pa_xmalloc);
 248 LOAD_FUNC(pa_stream_unref);
 249 LOAD_FUNC(pa_threaded_mainloop_accept);
 250 LOAD_FUNC(pa_stream_set_write_callback);
 251 LOAD_FUNC(pa_threaded_mainloop_new);
 252 LOAD_FUNC(pa_context_connect);
 253 LOAD_FUNC(pa_stream_set_buffer_attr);
 254 LOAD_FUNC(pa_stream_get_buffer_attr);
 255 LOAD_FUNC(pa_stream_get_sample_spec);
 256 LOAD_FUNC(pa_stream_get_time);
 257 LOAD_FUNC(pa_stream_set_read_callback);
 258 LOAD_FUNC(pa_stream_set_state_callback);
 259 LOAD_FUNC(pa_stream_set_moved_callback);
 260 LOAD_FUNC(pa_stream_set_underflow_callback);
 261 LOAD_FUNC(pa_stream_new);
 262 LOAD_FUNC(pa_stream_disconnect);
 263 LOAD_FUNC(pa_threaded_mainloop_lock);
 264 LOAD_FUNC(pa_channel_map_init_auto);
 265 LOAD_FUNC(pa_channel_map_parse);
 266 LOAD_FUNC(pa_channel_map_snprint);
 267 LOAD_FUNC(pa_channel_map_equal);
 268 LOAD_FUNC(pa_context_get_server_info);
 269 LOAD_FUNC(pa_context_get_sink_info_by_name);
 270 LOAD_FUNC(pa_context_get_sink_info_list);
 271 LOAD_FUNC(pa_context_get_source_info_list);
 272 LOAD_FUNC(pa_operation_get_state);
 273 LOAD_FUNC(pa_operation_unref);
 274 #if PA_CHECK_VERSION(0,9,15)
 275 LOAD_OPTIONAL_FUNC(pa_channel_map_superset);
 276 LOAD_OPTIONAL_FUNC(pa_stream_set_buffer_attr_callback);
 277 #endif
 278 #if PA_CHECK_VERSION(0,9,16)
 279 LOAD_OPTIONAL_FUNC(pa_stream_begin_write);
 280 #endif
 281
 282 #undef LOAD_OPTIONAL_FUNC
 283 #undef LOAD_FUNC
 284     }
 285     return pa_handle;
 286 } //}}}
 287
 288 // PulseAudio Event Callbacks //{{{
 289 static void context_state_callback(pa_context *context, void *pdata) //{{{
 290 {
 291     pa_threaded_mainloop *loop = pdata;
 292     pa_context_state_t state;
 293
 294     state = ppa_context_get_state(context);
 295     if(state == PA_CONTEXT_READY || !PA_CONTEXT_IS_GOOD(state))
 296         ppa_threaded_mainloop_signal(loop, 0);
 297 }//}}}
 298
 299 static void stream_state_callback(pa_stream *stream, void *pdata) //{{{
 300 {
 301     pa_threaded_mainloop *loop = pdata;
 302     pa_stream_state_t state;
 303
 304     state = ppa_stream_get_state(stream);
 305     if(state == PA_STREAM_READY || !PA_STREAM_IS_GOOD(state))
 306         ppa_threaded_mainloop_signal(loop, 0);
 307 }//}}}
 308
 309 static void stream_signal_callback(pa_stream *stream, void *pdata) //{{{
 310 {
 311     ALCdevice *Device = pdata;
 312     pulse_data *data = Device->ExtraData;
 313     (void)stream;
 314
 315     ppa_threaded_mainloop_signal(data->loop, 0);
 316 }//}}}
 317
 318 static void stream_buffer_attr_callback(pa_stream *stream, void *pdata) //{{{
 319 {
 320     ALCdevice *Device = pdata;
 321     pulse_data *data = Device->ExtraData;
 322
 323     SuspendContext(NULL);
 324
 325     data->attr = *(ppa_stream_get_buffer_attr(stream));
 326     Device->UpdateSize = data->attr.minreq / data->frame_size;
 327     Device->NumUpdates = (data->attr.tlength/data->frame_size) / Device->UpdateSize;
 328     if(Device->NumUpdates <= 1)
 329     {
 330         Device->NumUpdates = 1;
 331         AL_PRINT("PulseAudio returned minreq > tlength/2; expect break up\n");
 332     }
 333
 334     ProcessContext(NULL);
 335 }//}}}
 336
 337 static void stream_device_callback(pa_stream *stream, void *pdata) //{{{
 338 {
 339     ALCdevice *Device = pdata;
 340     pulse_data *data = Device->ExtraData;
 341
 342     free(data->device_name);
 343     data->device_name = strdup(ppa_stream_get_device_name(stream));
 344 }//}}}
 345
 346 static void context_state_callback2(pa_context *context, void *pdata) //{{{
 347 {
 348     ALCdevice *Device = pdata;
 349     pulse_data *data = Device->ExtraData;
 350
 351     if(ppa_context_get_state(context) == PA_CONTEXT_FAILED)
 352     {
 353         AL_PRINT("Received context failure!\n");
 354         aluHandleDisconnect(Device);
 355     }
 356     ppa_threaded_mainloop_signal(data->loop, 0);
 357 }//}}}
 358
 359 static void stream_state_callback2(pa_stream *stream, void *pdata) //{{{
 360 {
 361     ALCdevice *Device = pdata;
 362     pulse_data *data = Device->ExtraData;
 363
 364     if(ppa_stream_get_state(stream) == PA_STREAM_FAILED)
 365     {
 366         AL_PRINT("Received stream failure!\n");
 367         aluHandleDisconnect(Device);
 368     }
 369     ppa_threaded_mainloop_signal(data->loop, 0);
 370 }//}}}
 371
 372 static void stream_success_callback(pa_stream *stream, int success, void *pdata) //{{{
 373 {
 374     ALCdevice *Device = pdata;
 375     pulse_data *data = Device->ExtraData;
 376     (void)stream;
 377     (void)success;
 378
 379     ppa_threaded_mainloop_signal(data->loop, 0);
 380 }//}}}
 381
 382 static void sink_info_callback(pa_context *context, const pa_sink_info *info, int eol, void *pdata) //{{{
 383 {
 384     ALCdevice *device = pdata;
 385     pulse_data *data = device->ExtraData;
 386     char chanmap_str[256] = "";
 387     const struct {
 388         const char *str;
 389         enum DevFmtChannels chans;
 390     } chanmaps[] = {
 391         { "front-left,front-right,front-center,lfe,rear-left,rear-right,side-left,side-right",
 392           DevFmtX71 },
 393         { "front-left,front-right,front-center,lfe,rear-center,side-left,side-right",
 394           DevFmtX61 },
 395         { "front-left,front-right,front-center,lfe,rear-left,rear-right",
 396           DevFmtX51 },
 397         { "front-left,front-right,rear-left,rear-right", DevFmtQuad },
 398         { "front-left,front-right", DevFmtStereo },
 399         { "mono", DevFmtMono },
 400         { NULL, 0 }
 401     };
 402     int i;
 403     (void)context;
 404
 405     if(eol)
 406     {
 407         ppa_threaded_mainloop_signal(data->loop, 0);
 408         return;
 409     }
 410
 411     for(i = 0;chanmaps[i].str;i++)
 412     {
 413         pa_channel_map map;
 414         if(!ppa_channel_map_parse(&map, chanmaps[i].str))
 415             continue;
 416
 417         if(ppa_channel_map_equal(&info->channel_map, &map)
 418 #if PA_CHECK_VERSION(0,9,15)
 419            || (ppa_channel_map_superset &&
 420                ppa_channel_map_superset(&info->channel_map, &map))
 421 #endif
 422             )
 423         {
 424             device->FmtChans = chanmaps[i].chans;
 425             return;
 426         }
 427     }
 428
 429     ppa_channel_map_snprint(chanmap_str, sizeof(chanmap_str), &info->channel_map);
 430     AL_PRINT("Failed to find format for channel map:\n    %s\n", chanmap_str);
 431 }//}}}
 432
 433 static void sink_device_callback(pa_context *context, const pa_sink_info *info, int eol, void *pdata) //{{{
 434 {
 435     pa_threaded_mainloop *loop = pdata;
 436     char str[1024];
 437     void *temp;
 438     int count;
 439     ALuint i;
 440
 441     (void)context;
 442
 443     if(eol)
 444     {
 445         ppa_threaded_mainloop_signal(loop, 0);
 446         return;
 447     }
 448
 449     count = 0;
 450     do {
 451         if(count == 0)
 452             snprintf(str, sizeof(str), "%s via PulseAudio", info->description);
 453         else
 454             snprintf(str, sizeof(str), "%s #%d via PulseAudio", info->description, count+1);
 455         count++;
 456
 457         for(i = 0;i < numDevNames;i++)
 458         {
 459             if(strcmp(str, allDevNameMap[i].name) == 0)
 460                 break;
 461         }
 462     } while(i != numDevNames);
 463
 464     temp = realloc(allDevNameMap, (numDevNames+1) * sizeof(*allDevNameMap));
 465     if(temp)
 466     {
 467         allDevNameMap = temp;
 468         allDevNameMap[numDevNames].name = strdup(str);
 469         allDevNameMap[numDevNames].device_name = strdup(info->name);
 470         numDevNames++;
 471     }
 472 }//}}}
 473
 474 static void source_device_callback(pa_context *context, const pa_source_info *info, int eol, void *pdata) //{{{
 475 {
 476     pa_threaded_mainloop *loop = pdata;
 477     char str[1024];
 478     void *temp;
 479     int count;
 480     ALuint i;
 481
 482     (void)context;
 483
 484     if(eol)
 485     {
 486         ppa_threaded_mainloop_signal(loop, 0);
 487         return;
 488     }
 489
 490     count = 0;
 491     do {
 492         if(count == 0)
 493             snprintf(str, sizeof(str), "%s via PulseAudio", info->description);
 494         else
 495             snprintf(str, sizeof(str), "%s #%d via PulseAudio", info->description, count+1);
 496         count++;
 497
 498         for(i = 0;i < numCaptureDevNames;i++)
 499         {
 500             if(strcmp(str, allCaptureDevNameMap[i].name) == 0)
 501                 break;
 502         }
 503     } while(i != numCaptureDevNames);
 504
 505     temp = realloc(allCaptureDevNameMap, (numCaptureDevNames+1) * sizeof(*allCaptureDevNameMap));
 506     if(temp)
 507     {
 508         allCaptureDevNameMap = temp;
 509         allCaptureDevNameMap[numCaptureDevNames].name = strdup(str);
 510         allCaptureDevNameMap[numCaptureDevNames].device_name = strdup(info->name);
 511         numCaptureDevNames++;
 512     }
 513 }//}}}
 514 //}}}
 515
 516 // PulseAudio I/O Callbacks //{{{
 517 static void stream_write_callback(pa_stream *stream, size_t len, void *pdata) //{{{
 518 {
 519     ALCdevice *Device = pdata;
 520     pulse_data *data = Device->ExtraData;
 521     (void)stream;
 522     (void)len;
 523
 524     ppa_threaded_mainloop_signal(data->loop, 0);
 525 } //}}}
 526 //}}}
 527
 528 static ALuint PulseProc(ALvoid *param)
 529 {
 530     ALCdevice *Device = param;
 531     pulse_data *data = Device->ExtraData;
 532     ssize_t len;
 533
 534     SetRTPriority();
 535
 536     ppa_threaded_mainloop_lock(data->loop);
 537     do {
 538         len = (Device->Connected ? ppa_stream_writable_size(data->stream) : 0);
 539         len -= len%(Device->UpdateSize*data->frame_size);
 540         if(len == 0)
 541         {
 542             ppa_threaded_mainloop_wait(data->loop);
 543             continue;
 544         }
 545
 546         while(len > 0)
 547         {
 548             size_t newlen = len;
 549             void *buf;
 550             pa_free_cb_t free_func = NULL;
 551
 552 #if PA_CHECK_VERSION(0,9,16)
 553             if(!ppa_stream_begin_write ||
 554                ppa_stream_begin_write(data->stream, &buf, &newlen) < 0)
 555 #endif
 556             {
 557                 buf = ppa_xmalloc(newlen);
 558                 free_func = ppa_xfree;
 559             }
 560             ppa_threaded_mainloop_unlock(data->loop);
 561
 562             aluMixData(Device, buf, newlen/data->frame_size);
 563
 564             ppa_threaded_mainloop_lock(data->loop);
 565             ppa_stream_write(data->stream, buf, newlen, free_func, 0, PA_SEEK_RELATIVE);
 566             len -= newlen;
 567         }
 568     } while(Device->Connected && !data->killNow);
 569     ppa_threaded_mainloop_unlock(data->loop);
 570
 571     return 0;
 572 }
 573
 574 static pa_context *connect_context(pa_threaded_mainloop *loop)
 575 {
 576     const char *name = "OpenAL Soft";
 577     char path_name[PATH_MAX];
 578     pa_context_state_t state;
 579     pa_context *context;
 580     int err;
 581
 582     if(ppa_get_binary_name(path_name, sizeof(path_name)))
 583         name = ppa_path_get_filename(path_name);
 584
 585     context = ppa_context_new(ppa_threaded_mainloop_get_api(loop), name);
 586     if(!context)
 587     {
 588         AL_PRINT("pa_context_new() failed\n");
 589         return NULL;
 590     }
 591
 592     ppa_context_set_state_callback(context, context_state_callback, loop);
 593
 594     if((err=ppa_context_connect(context, NULL, pulse_ctx_flags, NULL)) >= 0)
 595     {
 596         while((state=ppa_context_get_state(context)) != PA_CONTEXT_READY)
 597         {
 598             if(!PA_CONTEXT_IS_GOOD(state))
 599             {
 600                 err = ppa_context_errno(context);
 601                 if(err > 0)  err = -err;
 602                 break;
 603             }
 604
 605             ppa_threaded_mainloop_wait(loop);
 606         }
 607     }
 608     ppa_context_set_state_callback(context, NULL, NULL);
 609
 610     if(err < 0)
 611     {
 612         AL_PRINT("Context did not connect: %s\n", ppa_strerror(err));
 613         ppa_context_unref(context);
 614         return NULL;
 615     }
 616
 617     return context;
 618 }
 619
 620 static pa_stream *connect_playback_stream(ALCdevice *device,
 621     pa_stream_flags_t flags, pa_buffer_attr *attr, pa_sample_spec *spec,
 622     pa_channel_map *chanmap)
 623 {
 624     pulse_data *data = device->ExtraData;
 625     pa_stream_state_t state;
 626     pa_stream *stream;
 627
 628     stream = ppa_stream_new(data->context, "Playback Stream", spec, chanmap);
 629     if(!stream)
 630     {
 631         AL_PRINT("pa_stream_new() failed: %s\n",
 632                  ppa_strerror(ppa_context_errno(data->context)));
 633         return NULL;
 634     }
 635
 636     ppa_stream_set_state_callback(stream, stream_state_callback, data->loop);
 637
 638     if(ppa_stream_connect_playback(stream, data->device_name, attr, flags, NULL, NULL) < 0)
 639     {
 640         AL_PRINT("Stream did not connect: %s\n",
 641                  ppa_strerror(ppa_context_errno(data->context)));
 642         ppa_stream_unref(stream);
 643         return NULL;
 644     }
 645
 646     while((state=ppa_stream_get_state(stream)) != PA_STREAM_READY)
 647     {
 648         if(!PA_STREAM_IS_GOOD(state))
 649         {
 650             AL_PRINT("Stream did not get ready: %s\n",
 651                      ppa_strerror(ppa_context_errno(data->context)));
 652             ppa_stream_unref(stream);
 653             return NULL;
 654         }
 655
 656         ppa_threaded_mainloop_wait(data->loop);
 657     }
 658     ppa_stream_set_state_callback(stream, NULL, NULL);
 659
 660     return stream;
 661 }
 662
 663 static void probe_devices(ALboolean capture)
 664 {
 665     pa_threaded_mainloop *loop;
 666
 667     if(capture == AL_FALSE)
 668         allDevNameMap = malloc(sizeof(DevMap) * 1);
 669     else
 670         allCaptureDevNameMap = malloc(sizeof(DevMap) * 1);
 671
 672     if((loop=ppa_threaded_mainloop_new()) &&
 673        ppa_threaded_mainloop_start(loop) >= 0)
 674     {
 675         pa_context *context;
 676
 677         ppa_threaded_mainloop_lock(loop);
 678         context = connect_context(loop);
 679         if(context)
 680         {
 681             pa_operation *o;
 682
 683             if(capture == AL_FALSE)
 684             {
 685                 allDevNameMap[0].name = strdup(pulse_device);
 686                 allDevNameMap[0].device_name = NULL;
 687                 numDevNames = 1;
 688
 689                 o = ppa_context_get_sink_info_list(context, sink_device_callback, loop);
 690             }
 691             else
 692             {
 693                 allCaptureDevNameMap[0].name = strdup(pulse_device);
 694                 allCaptureDevNameMap[0].device_name = NULL;
 695                 numCaptureDevNames = 1;
 696
 697                 o = ppa_context_get_source_info_list(context, source_device_callback, loop);
 698             }
 699             while(ppa_operation_get_state(o) == PA_OPERATION_RUNNING)
 700                 ppa_threaded_mainloop_wait(loop);
 701             ppa_operation_unref(o);
 702
 703             ppa_context_disconnect(context);
 704             ppa_context_unref(context);
 705         }
 706         ppa_threaded_mainloop_unlock(loop);
 707         ppa_threaded_mainloop_stop(loop);
 708     }
 709     if(loop)
 710         ppa_threaded_mainloop_free(loop);
 711 }
 712
 713
 714 static ALCboolean pulse_open(ALCdevice *device, const ALCchar *device_name) //{{{
 715 {
 716     pulse_data *data = ppa_xmalloc(sizeof(pulse_data));
 717     memset(data, 0, sizeof(*data));
 718
 719     if(!(data->loop = ppa_threaded_mainloop_new()))
 720     {
 721         AL_PRINT("pa_threaded_mainloop_new() failed!\n");
 722         goto out;
 723     }
 724     if(ppa_threaded_mainloop_start(data->loop) < 0)
 725     {
 726         AL_PRINT("pa_threaded_mainloop_start() failed\n");
 727         goto out;
 728     }
 729
 730     ppa_threaded_mainloop_lock(data->loop);
 731     device->ExtraData = data;
 732
 733     data->context = connect_context(data->loop);
 734     if(!data->context)
 735     {
 736         ppa_threaded_mainloop_unlock(data->loop);
 737         goto out;
 738     }
 739     ppa_context_set_state_callback(data->context, context_state_callback2, device);
 740
 741     device->szDeviceName = strdup(device_name);
 742
 743     ppa_threaded_mainloop_unlock(data->loop);
 744     return ALC_TRUE;
 745
 746 out:
 747     if(data->loop)
 748     {
 749         ppa_threaded_mainloop_stop(data->loop);
 750         ppa_threaded_mainloop_free(data->loop);
 751     }
 752
 753     device->ExtraData = NULL;
 754     ppa_xfree(data);
 755     return ALC_FALSE;
 756 } //}}}
 757
 758 static void pulse_close(ALCdevice *device) //{{{
 759 {
 760     pulse_data *data = device->ExtraData;
 761
 762     ppa_threaded_mainloop_lock(data->loop);
 763
 764     if(data->stream)
 765     {
 766         ppa_stream_disconnect(data->stream);
 767         ppa_stream_unref(data->stream);
 768     }
 769
 770     ppa_context_disconnect(data->context);
 771     ppa_context_unref(data->context);
 772
 773     ppa_threaded_mainloop_unlock(data->loop);
 774
 775     ppa_threaded_mainloop_stop(data->loop);
 776     ppa_threaded_mainloop_free(data->loop);
 777
 778     DestroyRingBuffer(data->ring);
 779     free(data->device_name);
 780
 781     device->ExtraData = NULL;
 782     ppa_xfree(data);
 783 } //}}}
 784 //}}}
 785
 786 // OpenAL {{{
 787 static ALCboolean pulse_open_playback(ALCdevice *device, const ALCchar *device_name) //{{{
 788 {
 789     char *pulse_name = NULL;
 790     pa_sample_spec spec;
 791     pulse_data *data;
 792
 793     if(!pulse_load())
 794         return ALC_FALSE;
 795
 796     if(!allDevNameMap)
 797         probe_devices(AL_FALSE);
 798
 799     if(!device_name && numDevNames > 0)
 800         device_name = allDevNameMap[0].name;
 801     else
 802     {
 803         ALuint i;
 804
 805         for(i = 0;i < numDevNames;i++)
 806         {
 807             if(strcmp(device_name, allDevNameMap[i].name) == 0)
 808             {
 809                 pulse_name = allDevNameMap[i].device_name;
 810                 break;
 811             }
 812         }
 813         if(i == numDevNames)
 814             return ALC_FALSE;
 815     }
 816
 817     if(pulse_open(device, device_name) == ALC_FALSE)
 818         return ALC_FALSE;
 819
 820     data = device->ExtraData;
 821
 822     ppa_threaded_mainloop_lock(data->loop);
 823
 824     spec.format = PA_SAMPLE_S16NE;
 825     spec.rate = 44100;
 826     spec.channels = 2;
 827
 828     data->device_name = pulse_name;
 829     pa_stream *stream = connect_playback_stream(device, 0, NULL, &spec, NULL);
 830     if(!stream)
 831     {
 832         ppa_threaded_mainloop_unlock(data->loop);
 833         goto fail;
 834     }
 835
 836     if(ppa_stream_is_suspended(stream))
 837     {
 838         AL_PRINT("Device is suspended\n");
 839         ppa_stream_disconnect(stream);
 840         ppa_stream_unref(stream);
 841         ppa_threaded_mainloop_unlock(data->loop);
 842         goto fail;
 843     }
 844     data->device_name = strdup(ppa_stream_get_device_name(stream));
 845
 846     ppa_stream_disconnect(stream);
 847     ppa_stream_unref(stream);
 848
 849     ppa_threaded_mainloop_unlock(data->loop);
 850
 851     return ALC_TRUE;
 852
 853 fail:
 854     pulse_close(device);
 855     return ALC_FALSE;
 856 } //}}}
 857
 858 static void pulse_close_playback(ALCdevice *device) //{{{
 859 {
 860     pulse_close(device);
 861 } //}}}
 862
 863 static ALCboolean pulse_reset_playback(ALCdevice *device) //{{{
 864 {
 865     pulse_data *data = device->ExtraData;
 866     pa_stream_flags_t flags = 0;
 867     pa_channel_map chanmap;
 868
 869     ppa_threaded_mainloop_lock(data->loop);
 870
 871     if(!ConfigValueExists(NULL, "format"))
 872     {
 873         pa_operation *o;
 874         o = ppa_context_get_sink_info_by_name(data->context, data->device_name, sink_info_callback, device);
 875         while(ppa_operation_get_state(o) == PA_OPERATION_RUNNING)
 876             ppa_threaded_mainloop_wait(data->loop);
 877         ppa_operation_unref(o);
 878     }
 879     if(!ConfigValueExists(NULL, "frequency"))
 880         flags |= PA_STREAM_FIX_RATE;
 881
 882     data->frame_size = FrameSizeFromDevFmt(device->FmtChans, device->FmtType);
 883     data->attr.prebuf = -1;
 884     data->attr.fragsize = -1;
 885     data->attr.minreq = device->UpdateSize * data->frame_size;
 886     data->attr.tlength = data->attr.minreq * device->NumUpdates;
 887     if(data->attr.tlength < data->attr.minreq*2)
 888         data->attr.tlength = data->attr.minreq*2;
 889     data->attr.maxlength = data->attr.tlength;
 890     flags |= PA_STREAM_EARLY_REQUESTS;
 891     flags |= PA_STREAM_INTERPOLATE_TIMING | PA_STREAM_AUTO_TIMING_UPDATE;
 892
 893     switch(device->FmtType)
 894     {
 895         case DevFmtByte:
 896             device->FmtType = DevFmtUByte;
 897             /* fall-through */
 898         case DevFmtUByte:
 899             data->spec.format = PA_SAMPLE_U8;
 900             break;
 901         case DevFmtUShort:
 902             device->FmtType = DevFmtShort;
 903             /* fall-through */
 904         case DevFmtShort:
 905             data->spec.format = PA_SAMPLE_S16NE;
 906             break;
 907         case DevFmtFloat:
 908             data->spec.format = PA_SAMPLE_FLOAT32NE;
 909             break;
 910     }
 911     data->spec.rate = device->Frequency;
 912     data->spec.channels = ChannelsFromDevFmt(device->FmtChans);
 913
 914     if(ppa_sample_spec_valid(&data->spec) == 0)
 915     {
 916         AL_PRINT("Invalid sample format\n");
 917         ppa_threaded_mainloop_unlock(data->loop);
 918         return ALC_FALSE;
 919     }
 920
 921     if(!ppa_channel_map_init_auto(&chanmap, data->spec.channels, PA_CHANNEL_MAP_WAVEEX))
 922     {
 923         AL_PRINT("Couldn't build map for channel count (%d)!\n", data->spec.channels);
 924         ppa_threaded_mainloop_unlock(data->loop);
 925         return ALC_FALSE;
 926     }
 927     SetDefaultWFXChannelOrder(device);
 928
 929     data->stream = connect_playback_stream(device, flags, &data->attr, &data->spec, &chanmap);
 930     if(!data->stream)
 931     {
 932         ppa_threaded_mainloop_unlock(data->loop);
 933         return ALC_FALSE;
 934     }
 935
 936     ppa_stream_set_state_callback(data->stream, stream_state_callback2, device);
 937
 938     data->spec = *(ppa_stream_get_sample_spec(data->stream));
 939     if(device->Frequency != data->spec.rate)
 940     {
 941         pa_operation *o;
 942
 943         /* Server updated our playback rate, so modify the buffer attribs
 944          * accordingly. */
 945         data->attr.minreq = (ALuint64)(data->attr.minreq/data->frame_size) *
 946                             data->spec.rate / device->Frequency * data->frame_size;
 947         data->attr.tlength = data->attr.minreq * device->NumUpdates;
 948         data->attr.maxlength = data->attr.tlength;
 949
 950         o = ppa_stream_set_buffer_attr(data->stream, &data->attr,
 951                                        stream_success_callback, device);
 952         while(ppa_operation_get_state(o) == PA_OPERATION_RUNNING)
 953             ppa_threaded_mainloop_wait(data->loop);
 954         ppa_operation_unref(o);
 955
 956         device->Frequency = data->spec.rate;
 957     }
 958
 959     stream_buffer_attr_callback(data->stream, device);
 960 #if PA_CHECK_VERSION(0,9,15)
 961     if(ppa_stream_set_buffer_attr_callback)
 962         ppa_stream_set_buffer_attr_callback(data->stream, stream_buffer_attr_callback, device);
 963 #endif
 964     ppa_stream_set_moved_callback(data->stream, stream_device_callback, device);
 965     ppa_stream_set_write_callback(data->stream, stream_write_callback, device);
 966     ppa_stream_set_underflow_callback(data->stream, stream_signal_callback, device);
 967
 968     data->thread = StartThread(PulseProc, device);
 969     if(!data->thread)
 970     {
 971 #if PA_CHECK_VERSION(0,9,15)
 972         if(ppa_stream_set_buffer_attr_callback)
 973             ppa_stream_set_buffer_attr_callback(data->stream, NULL, NULL);
 974 #endif
 975         ppa_stream_set_moved_callback(data->stream, NULL, NULL);
 976         ppa_stream_set_write_callback(data->stream, NULL, NULL);
 977         ppa_stream_set_underflow_callback(data->stream, NULL, NULL);
 978         ppa_stream_disconnect(data->stream);
 979         ppa_stream_unref(data->stream);
 980         data->stream = NULL;
 981
 982         ppa_threaded_mainloop_unlock(data->loop);
 983         return ALC_FALSE;
 984     }
 985
 986     ppa_threaded_mainloop_unlock(data->loop);
 987     return ALC_TRUE;
 988 } //}}}
 989
 990 static void pulse_stop_playback(ALCdevice *device) //{{{
 991 {
 992     pulse_data *data = device->ExtraData;
 993
 994     if(!data->stream)
 995         return;
 996
 997     data->killNow = AL_TRUE;
 998     if(data->thread)
 999     {
1000         ppa_threaded_mainloop_signal(data->loop, 0);
1001         StopThread(data->thread);
1002         data->thread = NULL;
1003     }
1004     data->killNow = AL_FALSE;
1005
1006     ppa_threaded_mainloop_lock(data->loop);
1007
1008 #if PA_CHECK_VERSION(0,9,15)
1009     if(ppa_stream_set_buffer_attr_callback)
1010         ppa_stream_set_buffer_attr_callback(data->stream, NULL, NULL);
1011 #endif
1012     ppa_stream_set_moved_callback(data->stream, NULL, NULL);
1013     ppa_stream_set_write_callback(data->stream, NULL, NULL);
1014     ppa_stream_set_underflow_callback(data->stream, NULL, NULL);
1015     ppa_stream_disconnect(data->stream);
1016     ppa_stream_unref(data->stream);
1017     data->stream = NULL;
1018
1019     ppa_threaded_mainloop_unlock(data->loop);
1020 } //}}}
1021
1022
1023 static ALCboolean pulse_open_capture(ALCdevice *device, const ALCchar *device_name) //{{{
1024 {
1025     char *pulse_name = NULL;
1026     pulse_data *data;
1027     pa_stream_flags_t flags = 0;
1028     pa_stream_state_t state;
1029     pa_channel_map chanmap;
1030
1031     if(!pulse_load())
1032         return ALC_FALSE;
1033
1034     if(!allCaptureDevNameMap)
1035         probe_devices(AL_TRUE);
1036
1037     if(!device_name && numCaptureDevNames > 0)
1038         device_name = allCaptureDevNameMap[0].name;
1039     else
1040     {
1041         ALuint i;
1042
1043         for(i = 0;i < numCaptureDevNames;i++)
1044         {
1045             if(strcmp(device_name, allCaptureDevNameMap[i].name) == 0)
1046             {
1047                 pulse_name = allCaptureDevNameMap[i].device_name;
1048                 break;
1049             }
1050         }
1051         if(i == numCaptureDevNames)
1052             return ALC_FALSE;
1053     }
1054
1055     if(pulse_open(device, device_name) == ALC_FALSE)
1056         return ALC_FALSE;
1057
1058     data = device->ExtraData;
1059     ppa_threaded_mainloop_lock(data->loop);
1060
1061     data->samples = device->UpdateSize * device->NumUpdates;
1062     data->frame_size = FrameSizeFromDevFmt(device->FmtChans, device->FmtType);
1063     if(data->samples < 100 * device->Frequency / 1000)
1064         data->samples = 100 * device->Frequency / 1000;
1065
1066     if(!(data->ring = CreateRingBuffer(data->frame_size, data->samples)))
1067     {
1068         ppa_threaded_mainloop_unlock(data->loop);
1069         goto fail;
1070     }
1071
1072     data->attr.minreq = -1;
1073     data->attr.prebuf = -1;
1074     data->attr.maxlength = data->samples * data->frame_size;
1075     data->attr.tlength = -1;
1076     data->attr.fragsize = min(data->samples, 50 * device->Frequency / 1000) *
1077                           data->frame_size;
1078
1079     data->spec.rate = device->Frequency;
1080     data->spec.channels = ChannelsFromDevFmt(device->FmtChans);
1081
1082     switch(device->FmtType)
1083     {
1084         case DevFmtUByte:
1085             data->spec.format = PA_SAMPLE_U8;
1086             break;
1087         case DevFmtShort:
1088             data->spec.format = PA_SAMPLE_S16NE;
1089             break;
1090         case DevFmtFloat:
1091             data->spec.format = PA_SAMPLE_FLOAT32NE;
1092             break;
1093         case DevFmtByte:
1094         case DevFmtUShort:
1095             AL_PRINT("Capture format type %#x capture not supported on PulseAudio\n", device->FmtType);
1096             ppa_threaded_mainloop_unlock(data->loop);
1097             goto fail;
1098     }
1099
1100     if(ppa_sample_spec_valid(&data->spec) == 0)
1101     {
1102         AL_PRINT("Invalid sample format\n");
1103         ppa_threaded_mainloop_unlock(data->loop);
1104         goto fail;
1105     }
1106
1107     if(!ppa_channel_map_init_auto(&chanmap, data->spec.channels, PA_CHANNEL_MAP_WAVEEX))
1108     {
1109         AL_PRINT("Couldn't build map for channel count (%d)!\n", data->spec.channels);
1110         ppa_threaded_mainloop_unlock(data->loop);
1111         goto fail;
1112     }
1113
1114     data->stream = ppa_stream_new(data->context, "Capture Stream", &data->spec, &chanmap);
1115     if(!data->stream)
1116     {
1117         AL_PRINT("pa_stream_new() failed: %s\n",
1118                  ppa_strerror(ppa_context_errno(data->context)));
1119
1120         ppa_threaded_mainloop_unlock(data->loop);
1121         goto fail;
1122     }
1123
1124     ppa_stream_set_state_callback(data->stream, stream_state_callback, data->loop);
1125
1126     flags |= PA_STREAM_START_CORKED|PA_STREAM_ADJUST_LATENCY;
1127     if(ppa_stream_connect_record(data->stream, pulse_name, &data->attr, flags) < 0)
1128     {
1129         AL_PRINT("Stream did not connect: %s\n",
1130                  ppa_strerror(ppa_context_errno(data->context)));
1131
1132         ppa_stream_unref(data->stream);
1133         data->stream = NULL;
1134
1135         ppa_threaded_mainloop_unlock(data->loop);
1136         goto fail;
1137     }
1138
1139     while((state=ppa_stream_get_state(data->stream)) != PA_STREAM_READY)
1140     {
1141         if(!PA_STREAM_IS_GOOD(state))
1142         {
1143             AL_PRINT("Stream did not get ready: %s\n",
1144                      ppa_strerror(ppa_context_errno(data->context)));
1145
1146             ppa_stream_unref(data->stream);
1147             data->stream = NULL;
1148
1149             ppa_threaded_mainloop_unlock(data->loop);
1150             goto fail;
1151         }
1152
1153         ppa_threaded_mainloop_wait(data->loop);
1154     }
1155     ppa_stream_set_state_callback(data->stream, stream_state_callback2, device);
1156
1157     ppa_threaded_mainloop_unlock(data->loop);
1158     return ALC_TRUE;
1159
1160 fail:
1161     pulse_close(device);
1162     return ALC_FALSE;
1163 } //}}}
1164
1165 static void pulse_close_capture(ALCdevice *device) //{{{
1166 {
1167     pulse_close(device);
1168 } //}}}
1169
1170 static void pulse_start_capture(ALCdevice *device) //{{{
1171 {
1172     pulse_data *data = device->ExtraData;
1173     pa_operation *o;
1174
1175     ppa_threaded_mainloop_lock(data->loop);
1176     o = ppa_stream_cork(data->stream, 0, stream_success_callback, device);
1177     while(ppa_operation_get_state(o) == PA_OPERATION_RUNNING)
1178         ppa_threaded_mainloop_wait(data->loop);
1179     ppa_operation_unref(o);
1180     ppa_threaded_mainloop_unlock(data->loop);
1181 } //}}}
1182
1183 static void pulse_stop_capture(ALCdevice *device) //{{{
1184 {
1185     pulse_data *data = device->ExtraData;
1186     pa_operation *o;
1187
1188     ppa_threaded_mainloop_lock(data->loop);
1189     o = ppa_stream_cork(data->stream, 1, stream_success_callback, device);
1190     while(ppa_operation_get_state(o) == PA_OPERATION_RUNNING)
1191         ppa_threaded_mainloop_wait(data->loop);
1192     ppa_operation_unref(o);
1193     ppa_threaded_mainloop_unlock(data->loop);
1194 } //}}}
1195
1196 static ALCuint pulse_available_samples(ALCdevice *device) //{{{
1197 {
1198     pulse_data *data = device->ExtraData;
1199     size_t samples;
1200
1201     ppa_threaded_mainloop_lock(data->loop);
1202     /* Capture is done in fragment-sized chunks, so we loop until we get all
1203      * that's available */
1204     samples = (device->Connected ? ppa_stream_readable_size(data->stream) : 0);
1205     while(samples > 0)
1206     {
1207         const void *buf;
1208         size_t length;
1209
1210         if(ppa_stream_peek(data->stream, &buf, &length) < 0)
1211         {
1212             AL_PRINT("pa_stream_peek() failed: %s\n",
1213                      ppa_strerror(ppa_context_errno(data->context)));
1214             break;
1215         }
1216
1217         WriteRingBuffer(data->ring, buf, length/data->frame_size);
1218         samples -= length;
1219
1220         ppa_stream_drop(data->stream);
1221     }
1222     ppa_threaded_mainloop_unlock(data->loop);
1223
1224     return RingBufferSize(data->ring);
1225 } //}}}
1226
1227 static void pulse_capture_samples(ALCdevice *device, ALCvoid *buffer, ALCuint samples) //{{{
1228 {
1229     pulse_data *data = device->ExtraData;
1230
1231     if(pulse_available_samples(device) >= samples)
1232         ReadRingBuffer(data->ring, buffer, samples);
1233     else
1234         alcSetError(device, ALC_INVALID_VALUE);
1235 } //}}}
1236
1237
1238 BackendFuncs pulse_funcs = { //{{{
1239     pulse_open_playback,
1240     pulse_close_playback,
1241     pulse_reset_playback,
1242     pulse_stop_playback,
1243     pulse_open_capture,
1244     pulse_close_capture,
1245     pulse_start_capture,
1246     pulse_stop_capture,
1247     pulse_capture_samples,
1248     pulse_available_samples
1249 }; //}}}
1250
1251 void alc_pulse_init(BackendFuncs *func_list) //{{{
1252 {
1253     *func_list = pulse_funcs;
1254
1255     pulse_ctx_flags = 0;
1256     if(!GetConfigValueBool("pulse", "spawn-server", 0))
1257         pulse_ctx_flags |= PA_CONTEXT_NOAUTOSPAWN;
1258 } //}}}
1259
1260 void alc_pulse_deinit(void) //{{{
1261 {
1262     ALuint i;
1263
1264     for(i = 0;i < numDevNames;++i)
1265     {
1266         free(allDevNameMap[i].name);
1267         free(allDevNameMap[i].device_name);
1268     }
1269     free(allDevNameMap);
1270     allDevNameMap = NULL;
1271     numDevNames = 0;
1272
1273     for(i = 0;i < numCaptureDevNames;++i)
1274     {
1275         free(allCaptureDevNameMap[i].name);
1276         free(allCaptureDevNameMap[i].device_name);
1277     }
1278     free(allCaptureDevNameMap);
1279     allCaptureDevNameMap = NULL;
1280     numCaptureDevNames = 0;
1281
1282     if(pa_handle)
1283     {
1284 #ifdef _WIN32
1285         FreeLibrary(pa_handle);
1286 #elif defined (HAVE_DLFCN_H)
1287         dlclose(pa_handle);
1288 #endif
1289         pa_handle = NULL;
1290     }
1291 } //}}}
1292
1293 void alc_pulse_probe(int type) //{{{
1294 {
1295     if(!pulse_load()) return;
1296
1297     if(type == DEVICE_PROBE)
1298     {
1299         pa_threaded_mainloop *loop;
1300
1301         if((loop=ppa_threaded_mainloop_new()) &&
1302            ppa_threaded_mainloop_start(loop) >= 0)
1303         {
1304             pa_context *context;
1305
1306             ppa_threaded_mainloop_lock(loop);
1307             context = connect_context(loop);
1308             if(context)
1309             {
1310                 AppendDeviceList(pulse_device);
1311
1312                 ppa_context_disconnect(context);
1313                 ppa_context_unref(context);
1314             }
1315             ppa_threaded_mainloop_unlock(loop);
1316             ppa_threaded_mainloop_stop(loop);
1317         }
1318         if(loop)
1319             ppa_threaded_mainloop_free(loop);
1320     }
1321     else if(type == ALL_DEVICE_PROBE)
1322     {
1323         ALuint i;
1324
1325         for(i = 0;i < numDevNames;++i)
1326         {
1327             free(allDevNameMap[i].name);
1328             free(allDevNameMap[i].device_name);
1329         }
1330         free(allDevNameMap);
1331         allDevNameMap = NULL;
1332         numDevNames = 0;
1333
1334         probe_devices(AL_FALSE);
1335
1336         for(i = 0;i < numDevNames;i++)
1337             AppendAllDeviceList(allDevNameMap[i].name);
1338     }
1339     else if(type == CAPTURE_DEVICE_PROBE)
1340     {
1341         ALuint i;
1342
1343         for(i = 0;i < numCaptureDevNames;++i)
1344         {
1345             free(allCaptureDevNameMap[i].name);
1346             free(allCaptureDevNameMap[i].device_name);
1347         }
1348         free(allCaptureDevNameMap);
1349         allCaptureDevNameMap = NULL;
1350         numCaptureDevNames = 0;
1351
1352         probe_devices(AL_TRUE);
1353
1354         for(i = 0;i < numCaptureDevNames;i++)
1355             AppendCaptureDeviceList(allCaptureDevNameMap[i].name);
1356     }
1357 } //}}}
1358 //}}}