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   1 /*                      DirectSound
   2  *
   3  * Copyright 1998 Marcus Meissner
   4  * Copyright 1998 Rob Riggs
   5  * Copyright 2000-2001 TransGaming Technologies, Inc.
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 /* Linux does not support better timing than 10ms */
  23 #define DS_TIME_RES 10  /* Resolution of multimedia timer */
  24 #define DS_TIME_DEL 10  /* Delay of multimedia timer callback, and duration of HEL fragment */
  25
  26 #define DS_HEL_FRAGS 48 /* HEL only: number of waveOut fragments in primary buffer
  27                          * (changing this won't help you) */
  28
  29 /* direct sound hardware acceleration levels */
  30 #define DS_HW_ACCEL_FULL        0       /* default on Windows 98 */
  31 #define DS_HW_ACCEL_STANDARD    1       /* default on Windows 2000 */
  32 #define DS_HW_ACCEL_BASIC       2
  33 #define DS_HW_ACCEL_EMULATION   3
  34
  35 extern int ds_emuldriver;
  36 extern int ds_hel_margin;
  37 extern int ds_hel_queue;
  38 extern int ds_snd_queue_max;
  39 extern int ds_snd_queue_min;
  40 extern int ds_hw_accel;
  41 extern int ds_default_playback;
  42 extern int ds_default_capture;
  43
  44 /*****************************************************************************
  45  * Predeclare the interface implementation structures
  46  */
  47 typedef struct IDirectSoundImpl              IDirectSoundImpl;
  48 typedef struct IDirectSound_IUnknown         IDirectSound_IUnknown;
  49 typedef struct IDirectSound_IDirectSound     IDirectSound_IDirectSound;
  50 typedef struct IDirectSound8_IUnknown        IDirectSound8_IUnknown;
  51 typedef struct IDirectSound8_IDirectSound    IDirectSound8_IDirectSound;
  52 typedef struct IDirectSound8_IDirectSound8   IDirectSound8_IDirectSound8;
  53 typedef struct IDirectSoundBufferImpl        IDirectSoundBufferImpl;
  54 typedef struct IDirectSoundCaptureImpl       IDirectSoundCaptureImpl;
  55 typedef struct IDirectSoundCaptureBufferImpl IDirectSoundCaptureBufferImpl;
  56 typedef struct IDirectSoundFullDuplexImpl    IDirectSoundFullDuplexImpl;
  57 typedef struct IDirectSoundNotifyImpl        IDirectSoundNotifyImpl;
  58 typedef struct IDirectSoundCaptureNotifyImpl IDirectSoundCaptureNotifyImpl;
  59 typedef struct IDirectSound3DListenerImpl    IDirectSound3DListenerImpl;
  60 typedef struct IDirectSound3DBufferImpl      IDirectSound3DBufferImpl;
  61 typedef struct IKsBufferPropertySetImpl      IKsBufferPropertySetImpl;
  62 typedef struct IKsPrivatePropertySetImpl     IKsPrivatePropertySetImpl;
  63 typedef struct PrimaryBufferImpl             PrimaryBufferImpl;
  64 typedef struct SecondaryBufferImpl           SecondaryBufferImpl;
  65 typedef struct IClassFactoryImpl             IClassFactoryImpl;
  66
  67 /*****************************************************************************
  68  * IDirectSound implementation structure
  69  */
  70 struct IDirectSoundImpl
  71 {
  72     /* IUnknown fields */
  73     IDirectSound8Vtbl          *lpVtbl;
  74     DWORD                       ref;
  75     /* IDirectSoundImpl fields */
  76     GUID                        guid;
  77     PIDSDRIVER                  driver;
  78     DSDRIVERDESC                drvdesc;
  79     DSDRIVERCAPS                drvcaps;
  80     DWORD                       priolevel;
  81     PWAVEFORMATEX               pwfx;
  82     HWAVEOUT                    hwo;
  83     LPWAVEHDR                   pwave[DS_HEL_FRAGS];
  84     UINT                        timerID, pwplay, pwwrite, pwqueue, prebuf, precount;
  85     DWORD                       fraglen;
  86     PIDSDRIVERBUFFER            hwbuf;
  87     LPBYTE                      buffer;
  88     DWORD                       writelead, buflen, state, playpos, mixpos;
  89     BOOL                        need_remix;
  90     int                         nrofbuffers;
  91     IDirectSoundBufferImpl**    buffers;
  92     RTL_RWLOCK                  buffer_list_lock;
  93     CRITICAL_SECTION            mixlock;
  94     PrimaryBufferImpl*          primary;
  95     DSBUFFERDESC                dsbd;
  96     DWORD                       speaker_config;
  97     BOOL                        initialized;
  98
  99     /* DirectSound3DListener fields */
 100     IDirectSound3DListenerImpl* listener;
 101     DS3DLISTENER                ds3dl;
 102     BOOL                        ds3dl_need_recalc;
 103
 104     LPUNKNOWN                   pUnknown;
 105     LPDIRECTSOUND               pDS;
 106     LPDIRECTSOUND8              pDS8;
 107 };
 108
 109 /* reference counted buffer memory for duplicated buffer memory */
 110 typedef struct BufferMemory
 111 {
 112     DWORD                       ref;
 113     LPBYTE                      memory;
 114 } BufferMemory;
 115
 116 HRESULT WINAPI IDirectSoundImpl_Create(
 117     LPCGUID lpcGUID,
 118     LPDIRECTSOUND8 * ppds);
 119
 120 HRESULT WINAPI DSOUND_Create(
 121     LPCGUID lpcGUID,
 122     LPDIRECTSOUND *ppDS,
 123     IUnknown *pUnkOuter);
 124
 125 HRESULT WINAPI DSOUND_Create8(
 126     LPCGUID lpcGUID,
 127     LPDIRECTSOUND8 *ppDS,
 128     IUnknown *pUnkOuter);
 129
 130 /*****************************************************************************
 131  * IDirectSound COM components
 132  */
 133 struct IDirectSound_IUnknown {
 134     IUnknownVtbl               *lpVtbl;
 135     DWORD                       ref;
 136     LPDIRECTSOUND8              pds;
 137 };
 138
 139 HRESULT WINAPI IDirectSound_IUnknown_Create(
 140     LPDIRECTSOUND8 pds,
 141     LPUNKNOWN * ppunk);
 142
 143 struct IDirectSound_IDirectSound {
 144     IDirectSoundVtbl           *lpVtbl;
 145     DWORD                       ref;
 146     LPDIRECTSOUND8              pds;
 147 };
 148
 149 HRESULT WINAPI IDirectSound_IDirectSound_Create(
 150     LPDIRECTSOUND8 pds,
 151     LPDIRECTSOUND * ppds);
 152
 153 /*****************************************************************************
 154  * IDirectSound8 COM components
 155  */
 156 struct IDirectSound8_IUnknown {
 157     IUnknownVtbl               *lpVtbl;
 158     DWORD                       ref;
 159     LPDIRECTSOUND8              pds;
 160 };
 161
 162 HRESULT WINAPI IDirectSound8_IUnknown_Create(
 163     LPDIRECTSOUND8 pds,
 164     LPUNKNOWN * ppunk);
 165
 166 struct IDirectSound8_IDirectSound {
 167     IDirectSoundVtbl           *lpVtbl;
 168     DWORD                       ref;
 169     LPDIRECTSOUND8              pds;
 170 };
 171
 172 HRESULT WINAPI IDirectSound8_IDirectSound_Create(
 173     LPDIRECTSOUND8 pds,
 174     LPDIRECTSOUND * ppds);
 175
 176 struct IDirectSound8_IDirectSound8 {
 177     IDirectSound8Vtbl          *lpVtbl;
 178     DWORD                       ref;
 179     LPDIRECTSOUND8              pds;
 180 };
 181
 182 HRESULT WINAPI IDirectSound8_IDirectSound8_Create(
 183     LPDIRECTSOUND8 pds,
 184     LPDIRECTSOUND8 * ppds);
 185
 186 /*****************************************************************************
 187  * IDirectSoundBuffer implementation structure
 188  */
 189 struct IDirectSoundBufferImpl
 190 {
 191     /* FIXME: document */
 192     /* IUnknown fields */
 193     IDirectSoundBuffer8Vtbl    *lpVtbl;
 194     DWORD                       ref;
 195     /* IDirectSoundBufferImpl fields */
 196     SecondaryBufferImpl*        dsb;
 197     IDirectSoundImpl*           dsound;
 198     CRITICAL_SECTION            lock;
 199     PIDSDRIVERBUFFER            hwbuf;
 200     PWAVEFORMATEX               pwfx;
 201     BufferMemory*               buffer;
 202     DWORD                       playflags,state,leadin;
 203     DWORD                       playpos,startpos,writelead,buflen;
 204     DWORD                       nAvgBytesPerSec;
 205     DWORD                       freq;
 206     DSVOLUMEPAN                 volpan, cvolpan;
 207     DSBUFFERDESC                dsbd;
 208     /* used for frequency conversion (PerfectPitch) */
 209     ULONG                       freqAdjust, freqAcc;
 210     /* used for intelligent (well, sort of) prebuffering */
 211     DWORD                       probably_valid_to, last_playpos;
 212     DWORD                       primary_mixpos, buf_mixpos;
 213     BOOL                        need_remix;
 214
 215     /* IDirectSoundNotifyImpl fields */
 216     IDirectSoundNotifyImpl*     notify;
 217     LPDSBPOSITIONNOTIFY         notifies;
 218     int                         nrofnotifies;
 219     PIDSDRIVERNOTIFY            hwnotify;
 220
 221     /* DirectSound3DBuffer fields */
 222     IDirectSound3DBufferImpl*   ds3db;
 223     DS3DBUFFER                  ds3db_ds3db;
 224     LONG                        ds3db_lVolume;
 225     BOOL                        ds3db_need_recalc;
 226
 227     /* IKsPropertySet fields */
 228     IKsBufferPropertySetImpl*   iks;
 229 };
 230
 231 HRESULT WINAPI IDirectSoundBufferImpl_Create(
 232     IDirectSoundImpl *ds,
 233     IDirectSoundBufferImpl **pdsb,
 234     LPCDSBUFFERDESC dsbd);
 235 HRESULT WINAPI IDirectSoundBufferImpl_Destroy(
 236     IDirectSoundBufferImpl *pdsb);
 237
 238 /*****************************************************************************
 239  * SecondaryBuffer implementation structure
 240  */
 241 struct SecondaryBufferImpl
 242 {
 243     IDirectSoundBuffer8Vtbl    *lpVtbl;
 244     DWORD                       ref;
 245     IDirectSoundBufferImpl*     dsb;
 246 };
 247
 248 HRESULT WINAPI SecondaryBufferImpl_Create(
 249     IDirectSoundBufferImpl *dsb,
 250     SecondaryBufferImpl **pdsb);
 251 HRESULT WINAPI SecondaryBufferImpl_Destroy(
 252     SecondaryBufferImpl *pdsb);
 253
 254 /*****************************************************************************
 255  * PrimaryBuffer implementation structure
 256  */
 257 struct PrimaryBufferImpl
 258 {
 259     IDirectSoundBuffer8Vtbl    *lpVtbl;
 260     DWORD                       ref;
 261     IDirectSoundImpl*           dsound;
 262 };
 263
 264 HRESULT WINAPI PrimaryBufferImpl_Create(
 265     IDirectSoundImpl *ds,
 266     PrimaryBufferImpl **pdsb,
 267     LPCDSBUFFERDESC dsbd);
 268
 269 /*****************************************************************************
 270  * IDirectSoundCapture implementation structure
 271  */
 272 struct IDirectSoundCaptureImpl
 273 {
 274     /* IUnknown fields */
 275     IDirectSoundCaptureVtbl           *lpVtbl;
 276     DWORD                              ref;
 277
 278     /* IDirectSoundCaptureImpl fields */
 279     GUID                               guid;
 280     BOOL                               initialized;
 281
 282     /* DirectSound driver stuff */
 283     PIDSCDRIVER                        driver;
 284     DSDRIVERDESC                       drvdesc;
 285     DSCDRIVERCAPS                      drvcaps;
 286     PIDSCDRIVERBUFFER                  hwbuf;
 287
 288     /* wave driver info */
 289     HWAVEIN                            hwi;
 290
 291     /* more stuff */
 292     LPBYTE                             buffer;
 293     DWORD                              buflen;
 294     DWORD                              read_position;
 295
 296     PWAVEFORMATEX                      pwfx;
 297
 298     IDirectSoundCaptureBufferImpl*     capture_buffer;
 299     DWORD                              state;
 300     LPWAVEHDR                          pwave;
 301     int                                nrofpwaves;
 302     int                                index;
 303     CRITICAL_SECTION                   lock;
 304 };
 305
 306 /*****************************************************************************
 307  * IDirectSoundCaptureBuffer implementation structure
 308  */
 309 struct IDirectSoundCaptureBufferImpl
 310 {
 311     /* IUnknown fields */
 312     IDirectSoundCaptureBuffer8Vtbl     *lpVtbl;
 313     DWORD                               ref;
 314
 315     /* IDirectSoundCaptureBufferImpl fields */
 316     IDirectSoundCaptureImpl*            dsound;
 317     /* FIXME: don't need this */
 318     LPDSCBUFFERDESC                     pdscbd;
 319     DWORD                               flags;
 320
 321     /* IDirectSoundCaptureNotifyImpl fields */
 322     IDirectSoundCaptureNotifyImpl*      notify;
 323     LPDSBPOSITIONNOTIFY                 notifies;
 324     int                                 nrofnotifies;
 325     PIDSDRIVERNOTIFY                    hwnotify;
 326 };
 327
 328 /*****************************************************************************
 329  * IDirectSoundFullDuplex implementation structure
 330  */
 331 struct IDirectSoundFullDuplexImpl
 332 {
 333     /* IUnknown fields */
 334     IDirectSoundFullDuplexVtbl *lpVtbl;
 335     DWORD                       ref;
 336
 337     /* IDirectSoundFullDuplexImpl fields */
 338     CRITICAL_SECTION            lock;
 339 };
 340
 341 /*****************************************************************************
 342  * IDirectSoundNotify implementation structure
 343  */
 344 struct IDirectSoundNotifyImpl
 345 {
 346     /* IUnknown fields */
 347     IDirectSoundNotifyVtbl     *lpVtbl;
 348     DWORD                       ref;
 349     IDirectSoundBufferImpl*     dsb;
 350 };
 351
 352 HRESULT WINAPI IDirectSoundNotifyImpl_Create(
 353     IDirectSoundBufferImpl *dsb,
 354     IDirectSoundNotifyImpl **pdsn);
 355 HRESULT WINAPI IDirectSoundNotifyImpl_Destroy(
 356     IDirectSoundNotifyImpl *pdsn);
 357
 358 /*****************************************************************************
 359  * IDirectSoundCaptureNotify implementation structure
 360  */
 361 struct IDirectSoundCaptureNotifyImpl
 362 {
 363     /* IUnknown fields */
 364     IDirectSoundNotifyVtbl             *lpVtbl;
 365     DWORD                               ref;
 366     IDirectSoundCaptureBufferImpl*      dscb;
 367 };
 368
 369 HRESULT WINAPI IDirectSoundCaptureNotifyImpl_Create(
 370     IDirectSoundCaptureBufferImpl *dscb,
 371     IDirectSoundCaptureNotifyImpl ** pdscn);
 372
 373 /*****************************************************************************
 374  *  IDirectSound3DListener implementation structure
 375  */
 376 struct IDirectSound3DListenerImpl
 377 {
 378     /* IUnknown fields */
 379     IDirectSound3DListenerVtbl *lpVtbl;
 380     DWORD                       ref;
 381     /* IDirectSound3DListenerImpl fields */
 382     IDirectSoundImpl*           dsound;
 383 };
 384
 385 HRESULT WINAPI IDirectSound3DListenerImpl_Create(
 386     PrimaryBufferImpl *pb,
 387     IDirectSound3DListenerImpl **pdsl);
 388
 389 /*****************************************************************************
 390  *  IKsBufferPropertySet implementation structure
 391  */
 392 struct IKsBufferPropertySetImpl
 393 {
 394     /* IUnknown fields */
 395     IKsPropertySetVtbl         *lpVtbl;
 396     DWORD                       ref;
 397     /* IKsPropertySetImpl fields */
 398     IDirectSoundBufferImpl*     dsb;
 399 };
 400
 401 HRESULT WINAPI IKsBufferPropertySetImpl_Create(
 402     IDirectSoundBufferImpl *dsb,
 403     IKsBufferPropertySetImpl **piks);
 404 HRESULT WINAPI IKsBufferPropertySetImpl_Destroy(
 405     IKsBufferPropertySetImpl *piks);
 406
 407 /*****************************************************************************
 408  *  IKsPrivatePropertySet implementation structure
 409  */
 410 struct IKsPrivatePropertySetImpl
 411 {
 412     /* IUnknown fields */
 413     IKsPropertySetVtbl         *lpVtbl;
 414     DWORD                       ref;
 415 };
 416
 417 HRESULT WINAPI IKsPrivatePropertySetImpl_Create(
 418     IKsPrivatePropertySetImpl **piks);
 419
 420 /*****************************************************************************
 421  * IDirectSound3DBuffer implementation structure
 422  */
 423 struct IDirectSound3DBufferImpl
 424 {
 425     /* IUnknown fields */
 426     IDirectSound3DBufferVtbl   *lpVtbl;
 427     DWORD                       ref;
 428     /* IDirectSound3DBufferImpl fields */
 429     IDirectSoundBufferImpl*     dsb;
 430 };
 431
 432 HRESULT WINAPI IDirectSound3DBufferImpl_Create(
 433     IDirectSoundBufferImpl *dsb,
 434     IDirectSound3DBufferImpl **pds3db);
 435 HRESULT WINAPI IDirectSound3DBufferImpl_Destroy(
 436     IDirectSound3DBufferImpl *pds3db);
 437
 438 /*******************************************************************************
 439  * DirectSound ClassFactory implementation structure
 440  */
 441 struct IClassFactoryImpl
 442 {
 443     /* IUnknown fields */
 444     IClassFactoryVtbl          *lpVtbl;
 445     DWORD                       ref;
 446 };
 447
 448 extern IClassFactoryImpl DSOUND_CAPTURE_CF;
 449 extern IClassFactoryImpl DSOUND_FULLDUPLEX_CF;
 450
 451 void DSOUND_RecalcVolPan(PDSVOLUMEPAN volpan);
 452 void DSOUND_AmpFactorToVolPan(PDSVOLUMEPAN volpan);
 453 void DSOUND_RecalcFormat(IDirectSoundBufferImpl *dsb);
 454
 455 /* dsound.c */
 456
 457 HRESULT DSOUND_AddBuffer(IDirectSoundImpl * pDS, IDirectSoundBufferImpl * pDSB);
 458 HRESULT DSOUND_RemoveBuffer(IDirectSoundImpl * pDS, IDirectSoundBufferImpl * pDSB);
 459
 460 /* primary.c */
 461
 462 HRESULT DSOUND_PrimaryCreate(IDirectSoundImpl *This);
 463 HRESULT DSOUND_PrimaryDestroy(IDirectSoundImpl *This);
 464 HRESULT DSOUND_PrimaryPlay(IDirectSoundImpl *This);
 465 HRESULT DSOUND_PrimaryStop(IDirectSoundImpl *This);
 466 HRESULT DSOUND_PrimaryGetPosition(IDirectSoundImpl *This, LPDWORD playpos, LPDWORD writepos);
 467
 468 /* buffer.c */
 469
 470 DWORD DSOUND_CalcPlayPosition(IDirectSoundBufferImpl *This,
 471                               DWORD state, DWORD pplay, DWORD pwrite, DWORD pmix, DWORD bmix);
 472
 473 /* mixer.c */
 474
 475 void DSOUND_CheckEvent(IDirectSoundBufferImpl *dsb, int len);
 476 void DSOUND_ForceRemix(IDirectSoundBufferImpl *dsb);
 477 void DSOUND_MixCancelAt(IDirectSoundBufferImpl *dsb, DWORD buf_writepos);
 478 void DSOUND_WaveQueue(IDirectSoundImpl *dsound, DWORD mixq);
 479 void DSOUND_PerformMix(IDirectSoundImpl *dsound);
 480 void CALLBACK DSOUND_timer(UINT timerID, UINT msg, DWORD dwUser, DWORD dw1, DWORD dw2);
 481 void CALLBACK DSOUND_callback(HWAVEOUT hwo, UINT msg, DWORD dwUser, DWORD dw1, DWORD dw2);
 482
 483 /* sound3d.c */
 484
 485 void DSOUND_Calc3DBuffer(IDirectSoundBufferImpl *dsb);
 486
 487 #define STATE_STOPPED   0
 488 #define STATE_STARTING  1
 489 #define STATE_PLAYING   2
 490 #define STATE_CAPTURING 2
 491 #define STATE_STOPPING  3
 492
 493 #define DSOUND_FREQSHIFT (14)
 494
 495 extern IDirectSoundImpl* dsound;
 496
 497 extern GUID renderer_guids[MAXWAVEDRIVERS];
 498 extern GUID capture_guids[MAXWAVEDRIVERS];
 499
 500 extern HRESULT mmErr(UINT err);
 501 extern void setup_dsound_options(void);
 502 extern const char * get_device_id(LPCGUID pGuid);