snd_win.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20 #include "quakedef.h"
  21 #include "snd_main.h"
  22
  23 #ifdef SUPPORTDIRECTX
  24 #ifndef DIRECTSOUND_VERSION
  25 #       define DIRECTSOUND_VERSION 0x0500  /* Version 5.0 */
  26 #endif
  27 #endif
  28 #include <windows.h>
  29 #include <mmsystem.h>
  30 #ifdef SUPPORTDIRECTX
  31 #include <dsound.h>
  32 #endif
  33
  34 // ==============================================================================
  35
  36 #ifndef _WAVEFORMATEXTENSIBLE_
  37 #define _WAVEFORMATEXTENSIBLE_
  38 typedef struct
  39 {
  40         WAVEFORMATEX Format;
  41         union
  42         {
  43                 WORD wValidBitsPerSample;       // bits of precision
  44                 WORD wSamplesPerBlock;          // valid if wBitsPerSample==0
  45                 WORD wReserved;                         // If neither applies, set to zero
  46         } Samples;
  47     DWORD dwChannelMask;                        // which channels are present in stream
  48     GUID SubFormat;
  49 } WAVEFORMATEXTENSIBLE, *PWAVEFORMATEXTENSIBLE;
  50 #endif
  51
  52 #if !defined(WAVE_FORMAT_EXTENSIBLE)
  53 #       define WAVE_FORMAT_EXTENSIBLE 0xFFFE
  54 #endif
  55
  56 // Some speaker positions
  57 #ifndef SPEAKER_FRONT_LEFT
  58 #       define SPEAKER_FRONT_LEFT                               0x1
  59 #       define SPEAKER_FRONT_RIGHT                              0x2
  60 #       define SPEAKER_FRONT_CENTER                             0x4
  61 #       define SPEAKER_LOW_FREQUENCY                    0x8
  62 #       define SPEAKER_BACK_LEFT                                0x10
  63 #       define SPEAKER_BACK_RIGHT                               0x20
  64 #       define SPEAKER_FRONT_LEFT_OF_CENTER             0x40
  65 #       define SPEAKER_FRONT_RIGHT_OF_CENTER    0x80
  66 // ... we never use the other values
  67 #endif
  68
  69 // KSDATAFORMAT_SUBTYPE_PCM = GUID "00000001-0000-0010-8000-00aa00389b71"
  70 static const GUID MY_KSDATAFORMAT_SUBTYPE_PCM =
  71 {
  72         0x00000001,
  73         0x0000,
  74         0x0010,
  75         {
  76                 0x80, 0x00,
  77                 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71
  78         }
  79 };
  80
  81
  82 // ==============================================================================
  83
  84 extern HWND mainwindow;
  85
  86 #ifdef SUPPORTDIRECTX
  87 HRESULT (WINAPI *pDirectSoundCreate)(GUID FAR *lpGUID, LPDIRECTSOUND FAR *lplpDS, IUnknown FAR *pUnkOuter);
  88 #endif
  89
  90 // Wave output: 64KB in 64 buffers of 1KB
  91 // (64KB is > 1 sec at 16-bit 22050 Hz mono, and is 1/3 sec at 16-bit 44100 Hz stereo)
  92 #define WAV_BUFFERS             64
  93 #define WAV_MASK                (WAV_BUFFERS - 1)
  94 static unsigned int wav_buffer_size;
  95
  96 // DirectSound output: 64KB in 1 buffer
  97 //#define SECONDARY_BUFFER_SIZE(fmt_ptr) ((fmt_ptr)->width * (fmt_ptr)->channels * (fmt_ptr)->speed / 2)
  98 // LordHavoc: changed this to be a multiple of 32768
  99 #define SECONDARY_BUFFER_SIZE(fmt_ptr) ((fmt_ptr)->channels * 32768)
 100
 101 typedef enum sndinitstat_e {SIS_SUCCESS, SIS_FAILURE, SIS_NOTAVAIL} sndinitstat;
 102
 103 #ifdef SUPPORTDIRECTX
 104 static qboolean dsound_init;
 105 static unsigned int dsound_time;
 106 static qboolean primary_format_set;
 107 #endif
 108
 109 static qboolean wav_init;
 110
 111 static int      snd_sent, snd_completed;
 112
 113 static int prev_painted;
 114 static unsigned int paintpot;
 115
 116
 117
 118 /*
 119  * Global variables. Must be visible to window-procedure function
 120  *  so it can unlock and free the data block after it has been played.
 121  */
 122
 123 HANDLE          hData;
 124 HPSTR           lpData, lpData2;
 125
 126 HGLOBAL         hWaveHdr;
 127 LPWAVEHDR       lpWaveHdr;
 128
 129 HWAVEOUT    hWaveOut;
 130
 131 WAVEOUTCAPS     wavecaps;
 132
 133 DWORD   gSndBufSize;
 134
 135 DWORD   dwStartTime;
 136
 137 #ifdef SUPPORTDIRECTX
 138 LPDIRECTSOUND pDS;
 139 LPDIRECTSOUNDBUFFER pDSBuf, pDSPBuf;
 140
 141 HINSTANCE hInstDS;
 142 #endif
 143
 144 qboolean SNDDMA_InitWav (void);
 145 #ifdef SUPPORTDIRECTX
 146 sndinitstat SNDDMA_InitDirect (void);
 147 #endif
 148
 149
 150 /*
 151 ==================
 152 SndSys_BuildWaveFormat
 153 ==================
 154 */
 155 static qboolean SndSys_BuildWaveFormat (const snd_format_t* requested, WAVEFORMATEXTENSIBLE* fmt_ptr)
 156 {
 157         WAVEFORMATEX* pfmtex;
 158
 159         memset (fmt_ptr, 0, sizeof(*fmt_ptr));
 160
 161         pfmtex = &fmt_ptr->Format;
 162         pfmtex->nChannels = requested->channels;
 163     pfmtex->wBitsPerSample = requested->width * 8;
 164     pfmtex->nSamplesPerSec = requested->speed;
 165         pfmtex->nBlockAlign = pfmtex->nChannels * pfmtex->wBitsPerSample / 8;
 166         pfmtex->nAvgBytesPerSec = pfmtex->nSamplesPerSec * pfmtex->nBlockAlign;
 167
 168         // LordHavoc: disabled this WAVE_FORMAT_EXTENSIBLE support because it does not seem to be working
 169 #if 0
 170         if (requested->channels <= 2)
 171         {
 172 #endif
 173                 pfmtex->wFormatTag = WAVE_FORMAT_PCM;
 174                 pfmtex->cbSize = 0;
 175 #if 0
 176         }
 177         else
 178         {
 179                 pfmtex->wFormatTag = WAVE_FORMAT_EXTENSIBLE;
 180                 pfmtex->cbSize = sizeof(*fmt_ptr) - sizeof(fmt_ptr->Format);
 181                 fmt_ptr->Samples.wValidBitsPerSample = fmt_ptr->Format.wBitsPerSample;
 182                 fmt_ptr->SubFormat = MY_KSDATAFORMAT_SUBTYPE_PCM;
 183
 184                 // Build the channel mask
 185                 fmt_ptr->dwChannelMask = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT;
 186                 switch (requested->channels)
 187                 {
 188                         case 8:
 189                                 fmt_ptr->dwChannelMask |= SPEAKER_FRONT_LEFT_OF_CENTER | SPEAKER_FRONT_RIGHT_OF_CENTER;
 190                                 // no break
 191                         case 6:
 192                                 fmt_ptr->dwChannelMask |= SPEAKER_FRONT_CENTER | SPEAKER_LOW_FREQUENCY;
 193                                 // no break
 194                         case 4:
 195                                 fmt_ptr->dwChannelMask |= SPEAKER_BACK_LEFT | SPEAKER_BACK_RIGHT;
 196                                 break;
 197
 198                         default:
 199                                 Con_Printf("SndSys_BuildWaveFormat: invalid number of channels (%hu)\n", requested->channels);
 200                                 return false;
 201                 }
 202         }
 203 #endif
 204
 205         return true;
 206 }
 207
 208
 209 #ifdef SUPPORTDIRECTX
 210 /*
 211 ==================
 212 SndSys_InitDirectSound
 213
 214 DirectSound 5 support
 215 ==================
 216 */
 217 static sndinitstat SndSys_InitDirectSound (const snd_format_t* requested)
 218 {
 219         DSBUFFERDESC                    dsbuf;
 220         DSBCAPS                                 dsbcaps;
 221         DWORD                                   dwSize;
 222         DSCAPS                                  dscaps;
 223         WAVEFORMATEXTENSIBLE    format, pformat;
 224         HRESULT                                 hresult;
 225         int                                             reps;
 226
 227         if (! SndSys_BuildWaveFormat(requested, &format))
 228                 return SIS_FAILURE;
 229
 230         if (!hInstDS)
 231         {
 232                 hInstDS = LoadLibrary("dsound.dll");
 233
 234                 if (hInstDS == NULL)
 235                 {
 236                         Con_Print("Couldn't load dsound.dll\n");
 237                         return SIS_FAILURE;
 238                 }
 239
 240                 pDirectSoundCreate = (void *)GetProcAddress(hInstDS,"DirectSoundCreate");
 241
 242                 if (!pDirectSoundCreate)
 243                 {
 244                         Con_Print("Couldn't get DS proc addr\n");
 245                         return SIS_FAILURE;
 246                 }
 247         }
 248
 249         while ((hresult = pDirectSoundCreate(NULL, &pDS, NULL)) != DS_OK)
 250         {
 251                 if (hresult != DSERR_ALLOCATED)
 252                 {
 253                         Con_Print("DirectSound create failed\n");
 254                         return SIS_FAILURE;
 255                 }
 256
 257                 if (MessageBox (NULL,
 258                                                 "The sound hardware is in use by another app.\n\n"
 259                                             "Select Retry to try to start sound again or Cancel to run Quake with no sound.",
 260                                                 "Sound not available",
 261                                                 MB_RETRYCANCEL | MB_SETFOREGROUND | MB_ICONEXCLAMATION) != IDRETRY)
 262                 {
 263                         Con_Print("DirectSoundCreate failure\n  hardware already in use\n");
 264                         return SIS_NOTAVAIL;
 265                 }
 266         }
 267
 268         dscaps.dwSize = sizeof(dscaps);
 269
 270         if (DS_OK != IDirectSound_GetCaps (pDS, &dscaps))
 271         {
 272                 Con_Print("Couldn't get DS caps\n");
 273         }
 274
 275         if (dscaps.dwFlags & DSCAPS_EMULDRIVER)
 276         {
 277                 Con_Print("No DirectSound driver installed\n");
 278                 SndSys_Shutdown ();
 279                 return SIS_FAILURE;
 280         }
 281
 282         if (DS_OK != IDirectSound_SetCooperativeLevel (pDS, mainwindow, DSSCL_EXCLUSIVE))
 283         {
 284                 Con_Print("Set coop level failed\n");
 285                 SndSys_Shutdown ();
 286                 return SIS_FAILURE;
 287         }
 288
 289         // get access to the primary buffer, if possible, so we can set the
 290         // sound hardware format
 291         memset (&dsbuf, 0, sizeof(dsbuf));
 292         dsbuf.dwSize = sizeof(DSBUFFERDESC);
 293         dsbuf.dwFlags = DSBCAPS_PRIMARYBUFFER;
 294         dsbuf.dwBufferBytes = 0;
 295         dsbuf.lpwfxFormat = NULL;
 296
 297         memset(&dsbcaps, 0, sizeof(dsbcaps));
 298         dsbcaps.dwSize = sizeof(dsbcaps);
 299         primary_format_set = false;
 300
 301 // COMMANDLINEOPTION: Windows DirectSound: -snoforceformat uses the format that DirectSound returns, rather than forcing it
 302         if (!COM_CheckParm ("-snoforceformat"))
 303         {
 304                 if (DS_OK == IDirectSound_CreateSoundBuffer(pDS, &dsbuf, &pDSPBuf, NULL))
 305                 {
 306                         pformat = format;
 307
 308                         if (DS_OK != IDirectSoundBuffer_SetFormat (pDSPBuf, (WAVEFORMATEX*)&pformat))
 309                         {
 310                                 Con_Print("Set primary sound buffer format: no\n");
 311                         }
 312                         else
 313                         {
 314                                 Con_Print("Set primary sound buffer format: yes\n");
 315
 316                                 primary_format_set = true;
 317                         }
 318                 }
 319         }
 320
 321 // COMMANDLINEOPTION: Windows DirectSound: -primarysound locks the sound hardware for exclusive use
 322         if (!primary_format_set || !COM_CheckParm ("-primarysound"))
 323         {
 324                 HRESULT result;
 325
 326                 // create the secondary buffer we'll actually work with
 327                 memset (&dsbuf, 0, sizeof(dsbuf));
 328                 dsbuf.dwSize = sizeof(DSBUFFERDESC);
 329                 dsbuf.dwFlags = DSBCAPS_CTRLFREQUENCY | DSBCAPS_LOCSOFTWARE;
 330                 dsbuf.dwBufferBytes = SECONDARY_BUFFER_SIZE(requested);
 331                 dsbuf.lpwfxFormat = (WAVEFORMATEX*)&format;
 332
 333                 memset(&dsbcaps, 0, sizeof(dsbcaps));
 334                 dsbcaps.dwSize = sizeof(dsbcaps);
 335
 336                 result = IDirectSound_CreateSoundBuffer(pDS, &dsbuf, &pDSBuf, NULL);
 337                 if (result != DS_OK ||
 338                         requested->channels != format.Format.nChannels ||
 339                         requested->width != format.Format.wBitsPerSample / 8 ||
 340                         requested->speed != format.Format.nSamplesPerSec)
 341                 {
 342                         Con_Printf("DS:CreateSoundBuffer Failed (%d): channels=%u, width=%u, speed=%u\n",
 343                                            (int)result, (unsigned)format.Format.nChannels, (unsigned)format.Format.wBitsPerSample / 8, (unsigned)format.Format.nSamplesPerSec);
 344                         SndSys_Shutdown ();
 345                         return SIS_FAILURE;
 346                 }
 347
 348                 if (DS_OK != IDirectSoundBuffer_GetCaps (pDSBuf, &dsbcaps))
 349                 {
 350                         Con_Print("DS:GetCaps failed\n");
 351                         SndSys_Shutdown ();
 352                         return SIS_FAILURE;
 353                 }
 354
 355                 Con_Print("Using secondary sound buffer\n");
 356         }
 357         else
 358         {
 359                 if (DS_OK != IDirectSound_SetCooperativeLevel (pDS, mainwindow, DSSCL_WRITEPRIMARY))
 360                 {
 361                         Con_Print("Set coop level failed\n");
 362                         SndSys_Shutdown ();
 363                         return SIS_FAILURE;
 364                 }
 365
 366                 if (DS_OK != IDirectSoundBuffer_GetCaps (pDSPBuf, &dsbcaps))
 367                 {
 368                         Con_Print("DS:GetCaps failed\n");
 369                         return SIS_FAILURE;
 370                 }
 371
 372                 pDSBuf = pDSPBuf;
 373                 Con_Print("Using primary sound buffer\n");
 374         }
 375
 376         // Make sure mixer is active
 377         IDirectSoundBuffer_Play(pDSBuf, 0, 0, DSBPLAY_LOOPING);
 378
 379         Con_Printf("   %d channel(s)\n"
 380                                 "   %d bits/sample\n"
 381                                 "   %d samples/sec\n",
 382                                 requested->channels, requested->width * 8, requested->speed);
 383
 384         gSndBufSize = dsbcaps.dwBufferBytes;
 385
 386         // initialize the buffer
 387         reps = 0;
 388
 389         while ((hresult = IDirectSoundBuffer_Lock(pDSBuf, 0, gSndBufSize, (LPVOID*)&lpData, &dwSize, NULL, NULL, 0)) != DS_OK)
 390         {
 391                 if (hresult != DSERR_BUFFERLOST)
 392                 {
 393                         Con_Print("SNDDMA_InitDirect: DS::Lock Sound Buffer Failed\n");
 394                         SndSys_Shutdown ();
 395                         return SIS_FAILURE;
 396                 }
 397
 398                 if (++reps > 10000)
 399                 {
 400                         Con_Print("SNDDMA_InitDirect: DS: couldn't restore buffer\n");
 401                         SndSys_Shutdown ();
 402                         return SIS_FAILURE;
 403                 }
 404
 405         }
 406
 407         memset(lpData, 0, dwSize);
 408         IDirectSoundBuffer_Unlock(pDSBuf, lpData, dwSize, NULL, 0);
 409
 410         IDirectSoundBuffer_Stop(pDSBuf);
 411         IDirectSoundBuffer_Play(pDSBuf, 0, 0, DSBPLAY_LOOPING);
 412
 413         dwStartTime = 0;
 414         dsound_time = 0;
 415         snd_renderbuffer = Snd_CreateRingBuffer(requested, gSndBufSize / (requested->width * requested->channels), lpData);
 416
 417         dsound_init = true;
 418
 419         return SIS_SUCCESS;
 420 }
 421 #endif
 422
 423
 424 /*
 425 ==================
 426 SndSys_InitMmsystem
 427
 428 Crappy windows multimedia base
 429 ==================
 430 */
 431 static qboolean SndSys_InitMmsystem (const snd_format_t* requested)
 432 {
 433         WAVEFORMATEXTENSIBLE format;
 434         int                             i;
 435         HRESULT                 hr;
 436
 437         if (! SndSys_BuildWaveFormat(requested, &format))
 438                 return false;
 439
 440         // Open a waveform device for output using window callback
 441         while ((hr = waveOutOpen((LPHWAVEOUT)&hWaveOut, WAVE_MAPPER, (WAVEFORMATEX*)&format,
 442                                         0, 0L, CALLBACK_NULL)) != MMSYSERR_NOERROR)
 443         {
 444                 if (hr != MMSYSERR_ALLOCATED)
 445                 {
 446                         Con_Print("waveOutOpen failed\n");
 447                         return false;
 448                 }
 449
 450                 if (MessageBox (NULL,
 451                                                 "The sound hardware is in use by another app.\n\n"
 452                                             "Select Retry to try to start sound again or Cancel to run Quake with no sound.",
 453                                                 "Sound not available",
 454                                                 MB_RETRYCANCEL | MB_SETFOREGROUND | MB_ICONEXCLAMATION) != IDRETRY)
 455                 {
 456                         Con_Print("waveOutOpen failure;\n  hardware already in use\n");
 457                         return false;
 458                 }
 459         }
 460
 461         wav_buffer_size = (requested->speed / 2 / WAV_BUFFERS) * requested->channels * requested->width;
 462
 463         /*
 464          * Allocate and lock memory for the waveform data. The memory
 465          * for waveform data must be globally allocated with
 466          * GMEM_MOVEABLE and GMEM_SHARE flags.
 467          */
 468         gSndBufSize = WAV_BUFFERS * wav_buffer_size;
 469         hData = GlobalAlloc(GMEM_MOVEABLE | GMEM_SHARE, gSndBufSize);
 470         if (!hData)
 471         {
 472                 Con_Print("Sound: Out of memory.\n");
 473                 SndSys_Shutdown ();
 474                 return false;
 475         }
 476         lpData = GlobalLock(hData);
 477         if (!lpData)
 478         {
 479                 Con_Print("Sound: Failed to lock.\n");
 480                 SndSys_Shutdown ();
 481                 return false;
 482         }
 483         memset (lpData, 0, gSndBufSize);
 484
 485         /*
 486          * Allocate and lock memory for the header. This memory must
 487          * also be globally allocated with GMEM_MOVEABLE and
 488          * GMEM_SHARE flags.
 489          */
 490         hWaveHdr = GlobalAlloc(GMEM_MOVEABLE | GMEM_SHARE, (DWORD) sizeof(WAVEHDR) * WAV_BUFFERS);
 491
 492         if (hWaveHdr == NULL)
 493         {
 494                 Con_Print("Sound: Failed to Alloc header.\n");
 495                 SndSys_Shutdown ();
 496                 return false;
 497         }
 498
 499         lpWaveHdr = (LPWAVEHDR) GlobalLock(hWaveHdr);
 500
 501         if (lpWaveHdr == NULL)
 502         {
 503                 Con_Print("Sound: Failed to lock header.\n");
 504                 SndSys_Shutdown ();
 505                 return false;
 506         }
 507
 508         memset (lpWaveHdr, 0, sizeof(WAVEHDR) * WAV_BUFFERS);
 509
 510         // After allocation, set up and prepare headers
 511         for (i=0 ; i<WAV_BUFFERS ; i++)
 512         {
 513                 lpWaveHdr[i].dwBufferLength = wav_buffer_size;
 514                 lpWaveHdr[i].lpData = lpData + i * wav_buffer_size;
 515
 516                 if (waveOutPrepareHeader(hWaveOut, lpWaveHdr+i, sizeof(WAVEHDR)) != MMSYSERR_NOERROR)
 517                 {
 518                         Con_Print("Sound: failed to prepare wave headers\n");
 519                         SndSys_Shutdown ();
 520                         return false;
 521                 }
 522         }
 523
 524         snd_renderbuffer = Snd_CreateRingBuffer(requested, gSndBufSize / (requested->width * requested->channels), lpData);
 525
 526         prev_painted = 0;
 527         paintpot = 0;
 528
 529         snd_sent = 0;
 530         snd_completed = 0;
 531
 532         wav_init = true;
 533
 534         return true;
 535 }
 536
 537
 538 /*
 539 ====================
 540 SndSys_Init
 541
 542 Create "snd_renderbuffer" with the proper sound format if the call is successful
 543 May return a suggested format if the requested format isn't available
 544 ====================
 545 */
 546 qboolean SndSys_Init (const snd_format_t* requested, snd_format_t* suggested)
 547 {
 548 #ifdef SUPPORTDIRECTX
 549         qboolean wavonly;
 550 #endif
 551         sndinitstat     stat;
 552
 553         Con_Print ("SndSys_Init: using the Win32 module\n");
 554
 555 #ifdef SUPPORTDIRECTX
 556 // COMMANDLINEOPTION: Windows Sound: -wavonly uses wave sound instead of DirectSound
 557         wavonly = (COM_CheckParm ("-wavonly") != 0);
 558         dsound_init = false;
 559 #endif
 560         wav_init = false;
 561
 562         stat = SIS_FAILURE;     // assume DirectSound won't initialize
 563
 564 #ifdef SUPPORTDIRECTX
 565         // Init DirectSound
 566         if (!wavonly)
 567         {
 568                 stat = SndSys_InitDirectSound (requested);
 569
 570                 if (stat == SIS_SUCCESS)
 571                         Con_Print("DirectSound initialized\n");
 572                 else
 573                         Con_Print("DirectSound failed to init\n");
 574         }
 575 #endif
 576
 577         // if DirectSound didn't succeed in initializing, try to initialize
 578         // waveOut sound, unless DirectSound failed because the hardware is
 579         // already allocated (in which case the user has already chosen not
 580         // to have sound)
 581 #ifdef SUPPORTDIRECTX
 582         if (!dsound_init && (stat != SIS_NOTAVAIL))
 583 #endif
 584         {
 585                 if (SndSys_InitMmsystem (requested))
 586                         Con_Print("Wave sound (MMSYSTEM) initialized\n");
 587                 else
 588                         Con_Print("Wave sound failed to init\n");
 589         }
 590
 591 #ifdef SUPPORTDIRECTX
 592         return (dsound_init || wav_init);
 593 #else
 594         return wav_init;
 595 #endif
 596 }
 597
 598
 599 /*
 600 ====================
 601 SndSys_Shutdown
 602
 603 Stop the sound card, delete "snd_renderbuffer" and free its other resources
 604 ====================
 605 */
 606 void SndSys_Shutdown (void)
 607 {
 608 #ifdef SUPPORTDIRECTX
 609         if (pDSBuf)
 610         {
 611                 IDirectSoundBuffer_Stop(pDSBuf);
 612                 IDirectSoundBuffer_Release(pDSBuf);
 613         }
 614
 615         // only release primary buffer if it's not also the mixing buffer we just released
 616         if (pDSPBuf && (pDSBuf != pDSPBuf))
 617         {
 618                 IDirectSoundBuffer_Release(pDSPBuf);
 619         }
 620
 621         if (pDS)
 622         {
 623                 IDirectSound_SetCooperativeLevel (pDS, mainwindow, DSSCL_NORMAL);
 624                 IDirectSound_Release(pDS);
 625         }
 626 #endif
 627
 628         if (hWaveOut)
 629         {
 630                 waveOutReset (hWaveOut);
 631
 632                 if (lpWaveHdr)
 633                 {
 634                         unsigned int i;
 635
 636                         for (i=0 ; i< WAV_BUFFERS ; i++)
 637                                 waveOutUnprepareHeader (hWaveOut, lpWaveHdr+i, sizeof(WAVEHDR));
 638                 }
 639
 640                 waveOutClose (hWaveOut);
 641
 642                 if (hWaveHdr)
 643                 {
 644                         GlobalUnlock(hWaveHdr);
 645                         GlobalFree(hWaveHdr);
 646                 }
 647
 648                 if (hData)
 649                 {
 650                         GlobalUnlock(hData);
 651                         GlobalFree(hData);
 652                 }
 653         }
 654
 655         if (snd_renderbuffer != NULL)
 656         {
 657                 Mem_Free(snd_renderbuffer);
 658                 snd_renderbuffer = NULL;
 659         }
 660
 661 #ifdef SUPPORTDIRECTX
 662         pDS = NULL;
 663         pDSBuf = NULL;
 664         pDSPBuf = NULL;
 665         dsound_init = false;
 666 #endif
 667         hWaveOut = 0;
 668         hData = 0;
 669         hWaveHdr = 0;
 670         lpData = NULL;
 671         lpWaveHdr = NULL;
 672         wav_init = false;
 673 }
 674
 675
 676 /*
 677 ====================
 678 SndSys_Submit
 679
 680 Submit the contents of "snd_renderbuffer" to the sound card
 681 ====================
 682 */
 683 void SndSys_Submit (void)
 684 {
 685         LPWAVEHDR       h;
 686         int                     wResult;
 687
 688         // DirectSound doesn't need this
 689         if (!wav_init)
 690                 return;
 691
 692         paintpot += (snd_renderbuffer->endframe - prev_painted) * snd_renderbuffer->format.channels * snd_renderbuffer->format.width;
 693         if (paintpot > WAV_BUFFERS * wav_buffer_size)
 694                 paintpot = WAV_BUFFERS * wav_buffer_size;
 695         prev_painted = snd_renderbuffer->endframe;
 696
 697         // submit new sound blocks
 698         while (paintpot > wav_buffer_size)
 699         {
 700                 h = lpWaveHdr + (snd_sent & WAV_MASK);
 701
 702                 snd_sent++;
 703                 /*
 704                  * Now the data block can be sent to the output device. The
 705                  * waveOutWrite function returns immediately and waveform
 706                  * data is sent to the output device in the background.
 707                  */
 708                 wResult = waveOutWrite(hWaveOut, h, sizeof(WAVEHDR));
 709
 710                 if (wResult != MMSYSERR_NOERROR)
 711                 {
 712                         if (developer.integer >= 1000)
 713                                 Con_Print("waveOutWrite failed (too much sound data)\n");
 714                         //SndSys_Shutdown ();
 715                         //return;
 716                 }
 717
 718                 paintpot -= wav_buffer_size;
 719         }
 720
 721 }
 722
 723
 724 /*
 725 ====================
 726 SndSys_GetSoundTime
 727
 728 Returns the number of sample frames consumed since the sound started
 729 ====================
 730 */
 731 unsigned int SndSys_GetSoundTime (void)
 732 {
 733         unsigned int factor;
 734
 735         factor = snd_renderbuffer->format.width * snd_renderbuffer->format.channels;
 736
 737 #ifdef SUPPORTDIRECTX
 738         if (dsound_init)
 739         {
 740                 DWORD dwTime;
 741                 unsigned int diff;
 742
 743                 IDirectSoundBuffer_GetCurrentPosition(pDSBuf, &dwTime, NULL);
 744                 diff = (unsigned int)(dwTime - dwStartTime) % (unsigned int)gSndBufSize;
 745                 dwStartTime = dwTime;
 746
 747                 dsound_time += diff / factor;
 748                 return dsound_time;
 749         }
 750 #endif
 751
 752         if (wav_init)
 753         {
 754                 // Find which sound blocks have completed
 755                 for (;;)
 756                 {
 757                         if (snd_completed == snd_sent)
 758                         {
 759                                 Con_DPrint("Sound overrun\n");
 760                                 break;
 761                         }
 762
 763                         if (!(lpWaveHdr[snd_completed & WAV_MASK].dwFlags & WHDR_DONE))
 764                                 break;
 765
 766                         snd_completed++;        // this buffer has been played
 767                 }
 768
 769                 return (snd_completed * wav_buffer_size) / factor;
 770         }
 771
 772         return 0;
 773 }
 774
 775
 776 #ifdef SUPPORTDIRECTX
 777 static DWORD dsound_dwSize;
 778 static DWORD dsound_dwSize2;
 779 static DWORD *dsound_pbuf;
 780 static DWORD *dsound_pbuf2;
 781 #endif
 782
 783 /*
 784 ====================
 785 SndSys_LockRenderBuffer
 786
 787 Get the exclusive lock on "snd_renderbuffer"
 788 ====================
 789 */
 790 qboolean SndSys_LockRenderBuffer (void)
 791 {
 792 #ifdef SUPPORTDIRECTX
 793         int reps;
 794         HRESULT hresult;
 795         DWORD   dwStatus;
 796
 797         if (pDSBuf)
 798         {
 799                 // if the buffer was lost or stopped, restore it and/or restart it
 800                 if (IDirectSoundBuffer_GetStatus (pDSBuf, &dwStatus) != DS_OK)
 801                         Con_Print("Couldn't get sound buffer status\n");
 802
 803                 if (dwStatus & DSBSTATUS_BUFFERLOST)
 804                 {
 805                         Con_Print("DSound buffer is lost!!\n");
 806                         IDirectSoundBuffer_Restore (pDSBuf);
 807                 }
 808
 809                 if (!(dwStatus & DSBSTATUS_PLAYING))
 810                         IDirectSoundBuffer_Play(pDSBuf, 0, 0, DSBPLAY_LOOPING);
 811
 812                 reps = 0;
 813
 814                 while ((hresult = IDirectSoundBuffer_Lock(pDSBuf, 0, gSndBufSize, (LPVOID*)&dsound_pbuf, &dsound_dwSize, (LPVOID*)&dsound_pbuf2, &dsound_dwSize2, 0)) != DS_OK)
 815                 {
 816                         if (hresult != DSERR_BUFFERLOST)
 817                         {
 818                                 Con_Print("S_LockBuffer: DS: Lock Sound Buffer Failed\n");
 819                                 S_Shutdown ();
 820                                 S_Startup ();
 821                                 return false;
 822                         }
 823
 824                         if (++reps > 10000)
 825                         {
 826                                 Con_Print("S_LockBuffer: DS: couldn't restore buffer\n");
 827                                 S_Shutdown ();
 828                                 S_Startup ();
 829                                 return false;
 830                         }
 831                 }
 832
 833                 if ((void*)dsound_pbuf != snd_renderbuffer->ring)
 834                         Sys_Error("SndSys_LockRenderBuffer: the ring address has changed!!!\n");
 835                 return true;
 836         }
 837 #endif
 838
 839         return wav_init;
 840 }
 841
 842
 843 /*
 844 ====================
 845 SndSys_UnlockRenderBuffer
 846
 847 Release the exclusive lock on "snd_renderbuffer"
 848 ====================
 849 */
 850 void SndSys_UnlockRenderBuffer (void)
 851 {
 852 #ifdef SUPPORTDIRECTX
 853         if (pDSBuf)
 854                 IDirectSoundBuffer_Unlock(pDSBuf, dsound_pbuf, dsound_dwSize, dsound_pbuf2, dsound_dwSize2);
 855 #endif
 856 }