| 1 | /* |
| 2 | SDL - Simple DirectMedia Layer |
| 3 | Copyright (C) 1997-2009 Sam Lantinga |
| 4 | |
| 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 Free |
| 17 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 18 | |
| 19 | Sam Lantinga |
| 20 | slouken@devolution.com |
| 21 | */ |
| 22 | |
| 23 | /* |
| 24 | SDL_epocaudio.cpp |
| 25 | Epoc based SDL audio driver implementation |
| 26 | |
| 27 | Markus Mertama |
| 28 | */ |
| 29 | |
| 30 | #ifdef SAVE_RCSID |
| 31 | static char rcsid = |
| 32 | "@(#) $Id: SDL_epocaudio.c,v 0.0.0.0 2001/06/19 17:19:56 hercules Exp $"; |
| 33 | #endif |
| 34 | |
| 35 | |
| 36 | #include <stdlib.h> |
| 37 | #include <stdio.h> |
| 38 | #include <string.h> |
| 39 | #include <errno.h> |
| 40 | #include <unistd.h> |
| 41 | #include <fcntl.h> |
| 42 | #include <signal.h> |
| 43 | #include <sys/time.h> |
| 44 | #include <sys/ioctl.h> |
| 45 | #include <sys/stat.h> |
| 46 | |
| 47 | #include "epoc_sdl.h" |
| 48 | |
| 49 | #include <e32hal.h> |
| 50 | |
| 51 | |
| 52 | extern "C" { |
| 53 | #include "SDL_audio.h" |
| 54 | #include "SDL_error.h" |
| 55 | #include "SDL_audiomem.h" |
| 56 | #include "SDL_audio_c.h" |
| 57 | #include "SDL_timer.h" |
| 58 | #include "SDL_audiodev_c.h" |
| 59 | } |
| 60 | |
| 61 | #include "SDL_epocaudio.h" |
| 62 | |
| 63 | #include "streamplayer.h" |
| 64 | |
| 65 | |
| 66 | //#define DEBUG_AUDIO |
| 67 | |
| 68 | |
| 69 | /* Audio driver functions */ |
| 70 | |
| 71 | static int EPOC_OpenAudio(SDL_AudioDevice *thisdevice, SDL_AudioSpec *spec); |
| 72 | static void EPOC_WaitAudio(SDL_AudioDevice *thisdevice); |
| 73 | static void EPOC_PlayAudio(SDL_AudioDevice *thisdevice); |
| 74 | static Uint8 *EPOC_GetAudioBuf(SDL_AudioDevice *thisdevice); |
| 75 | static void EPOC_CloseAudio(SDL_AudioDevice *thisdevice); |
| 76 | static void EPOC_ThreadInit(SDL_AudioDevice *thisdevice); |
| 77 | |
| 78 | static int Audio_Available(void); |
| 79 | static SDL_AudioDevice *Audio_CreateDevice(int devindex); |
| 80 | static void Audio_DeleteDevice(SDL_AudioDevice *device); |
| 81 | |
| 82 | |
| 83 | //void sos_adump(SDL_AudioDevice* thisdevice, void* data, int len); |
| 84 | |
| 85 | #ifdef __WINS__ |
| 86 | #define DODUMP |
| 87 | #endif |
| 88 | |
| 89 | #ifdef DODUMP |
| 90 | NONSHARABLE_CLASS(TDump) |
| 91 | { |
| 92 | public: |
| 93 | TInt Open(); |
| 94 | void Close(); |
| 95 | void Dump(const TDesC8& aDes); |
| 96 | private: |
| 97 | RFile iFile; |
| 98 | RFs iFs; |
| 99 | }; |
| 100 | |
| 101 | TInt TDump::Open() |
| 102 | { |
| 103 | TInt err = iFs.Connect(); |
| 104 | if(err == KErrNone) |
| 105 | { |
| 106 | #ifdef __WINS__ |
| 107 | _LIT(target, "C:\\sdlau.raw"); |
| 108 | #else |
| 109 | _LIT(target, "E:\\sdlau.raw"); |
| 110 | #endif |
| 111 | err = iFile.Replace(iFs, target, EFileWrite); |
| 112 | } |
| 113 | return err; |
| 114 | } |
| 115 | void TDump::Close() |
| 116 | { |
| 117 | iFile.Close(); |
| 118 | iFs.Close(); |
| 119 | } |
| 120 | void TDump::Dump(const TDesC8& aDes) |
| 121 | { |
| 122 | iFile.Write(aDes); |
| 123 | } |
| 124 | #endif |
| 125 | |
| 126 | |
| 127 | NONSHARABLE_CLASS(CSimpleWait) : public CTimer |
| 128 | { |
| 129 | public: |
| 130 | void Wait(TTimeIntervalMicroSeconds32 aWait); |
| 131 | static CSimpleWait* NewL(); |
| 132 | private: |
| 133 | CSimpleWait(); |
| 134 | void RunL(); |
| 135 | }; |
| 136 | |
| 137 | |
| 138 | CSimpleWait* CSimpleWait::NewL() |
| 139 | { |
| 140 | CSimpleWait* wait = new (ELeave) CSimpleWait(); |
| 141 | CleanupStack::PushL(wait); |
| 142 | wait->ConstructL(); |
| 143 | CleanupStack::Pop(); |
| 144 | return wait; |
| 145 | } |
| 146 | |
| 147 | void CSimpleWait::Wait(TTimeIntervalMicroSeconds32 aWait) |
| 148 | { |
| 149 | After(aWait); |
| 150 | CActiveScheduler::Start(); |
| 151 | } |
| 152 | |
| 153 | CSimpleWait::CSimpleWait() : CTimer(CActive::EPriorityStandard) |
| 154 | { |
| 155 | CActiveScheduler::Add(this); |
| 156 | } |
| 157 | |
| 158 | void CSimpleWait::RunL() |
| 159 | { |
| 160 | CActiveScheduler::Stop(); |
| 161 | } |
| 162 | |
| 163 | const TInt KAudioBuffers(2); |
| 164 | |
| 165 | |
| 166 | NONSHARABLE_CLASS(CEpocAudio) : public CBase, public MStreamObs, public MStreamProvider |
| 167 | { |
| 168 | public: |
| 169 | static void* NewL(TInt BufferSize, TInt aFill); |
| 170 | inline static CEpocAudio& Current(SDL_AudioDevice* thisdevice); |
| 171 | |
| 172 | static void Free(SDL_AudioDevice* thisdevice); |
| 173 | |
| 174 | void Wait(); |
| 175 | void Play(); |
| 176 | // void SetBuffer(const TDesC8& aBuffer); |
| 177 | void ThreadInitL(TAny* aDevice); |
| 178 | void Open(TInt iRate, TInt iChannels, TUint32 aType, TInt aBytes); |
| 179 | ~CEpocAudio(); |
| 180 | TUint8* Buffer(); |
| 181 | TBool SetPause(TBool aPause); |
| 182 | #ifdef DODUMP |
| 183 | void Dump(const TDesC8& aBuf) {iDump.Dump(aBuf);} |
| 184 | #endif |
| 185 | private: |
| 186 | CEpocAudio(TInt aBufferSize); |
| 187 | void Complete(TInt aState, TInt aError); |
| 188 | TPtrC8 Data(); |
| 189 | void ConstructL(TInt aFill); |
| 190 | private: |
| 191 | TInt iBufferSize; |
| 192 | CStreamPlayer* iPlayer; |
| 193 | TInt iBufferRate; |
| 194 | TInt iRate; |
| 195 | TInt iChannels; |
| 196 | TUint32 iType; |
| 197 | TInt iPosition; |
| 198 | TThreadId iTid; |
| 199 | TUint8* iAudioPtr; |
| 200 | TUint8* iBuffer; |
| 201 | // TTimeIntervalMicroSeconds iStart; |
| 202 | TTime iStart; |
| 203 | TInt iTune; |
| 204 | CSimpleWait* iWait; |
| 205 | #ifdef DODUMP |
| 206 | TDump iDump; |
| 207 | #endif |
| 208 | }; |
| 209 | |
| 210 | inline CEpocAudio& CEpocAudio::Current(SDL_AudioDevice* thisdevice) |
| 211 | { |
| 212 | return *static_cast<CEpocAudio*>((void*)thisdevice->hidden); |
| 213 | } |
| 214 | |
| 215 | /* |
| 216 | |
| 217 | TBool EndSc(TAny*) |
| 218 | { |
| 219 | CActiveScheduler::Stop(); |
| 220 | } |
| 221 | |
| 222 | LOCAL_C void CleanScL() |
| 223 | { |
| 224 | CIdle* d = CIdle::NewLC(CActive:::EPriorityIdle); |
| 225 | d->Start(TCallBack(EndSc)); |
| 226 | CActiveScheduler::Start(); |
| 227 | |
| 228 | } |
| 229 | */ |
| 230 | |
| 231 | void CEpocAudio::Free(SDL_AudioDevice* thisdevice) |
| 232 | { |
| 233 | CEpocAudio* ea = static_cast<CEpocAudio*>((void*)thisdevice->hidden); |
| 234 | if(ea) |
| 235 | { |
| 236 | ASSERT(ea->iTid == RThread().Id()); |
| 237 | delete ea; |
| 238 | thisdevice->hidden = NULL; |
| 239 | |
| 240 | CActiveScheduler* as = CActiveScheduler::Current(); |
| 241 | ASSERT(as->StackDepth() == 0); |
| 242 | delete as; |
| 243 | CActiveScheduler::Install(NULL); |
| 244 | } |
| 245 | ASSERT(thisdevice->hidden == NULL); |
| 246 | } |
| 247 | |
| 248 | CEpocAudio::CEpocAudio(TInt aBufferSize) : iBufferSize(aBufferSize), iPosition(-1) |
| 249 | { |
| 250 | } |
| 251 | |
| 252 | void* CEpocAudio::NewL(TInt aBufferSize, TInt aFill) |
| 253 | { |
| 254 | CEpocAudio* eAudioLib = new (ELeave) CEpocAudio(aBufferSize); |
| 255 | CleanupStack::PushL(eAudioLib); |
| 256 | eAudioLib->ConstructL(aFill); |
| 257 | CleanupStack::Pop(); |
| 258 | return eAudioLib; |
| 259 | } |
| 260 | |
| 261 | void CEpocAudio::ConstructL(TInt aFill) |
| 262 | { |
| 263 | iBuffer = (TUint8*) User::AllocL(KAudioBuffers * iBufferSize); |
| 264 | memset(iBuffer, aFill, KAudioBuffers * iBufferSize); |
| 265 | iAudioPtr = iBuffer; |
| 266 | } |
| 267 | |
| 268 | |
| 269 | TBool CEpocAudio::SetPause(TBool aPause) |
| 270 | { |
| 271 | if(aPause && iPosition >= 0) |
| 272 | { |
| 273 | iPosition = -1; |
| 274 | if(iPlayer != NULL) |
| 275 | iPlayer->Stop(); |
| 276 | } |
| 277 | if(!aPause && iPosition < 0) |
| 278 | { |
| 279 | iPosition = 0; |
| 280 | if(iPlayer != NULL) |
| 281 | iPlayer->Start(); |
| 282 | } |
| 283 | return iPosition < 0; |
| 284 | } |
| 285 | |
| 286 | void CEpocAudio::ThreadInitL(TAny* aDevice) |
| 287 | { |
| 288 | iTid = RThread().Id(); |
| 289 | CActiveScheduler* as = new (ELeave) CActiveScheduler(); |
| 290 | CActiveScheduler::Install(as); |
| 291 | |
| 292 | EpocSdlEnv::AppendCleanupItem(TSdlCleanupItem((TSdlCleanupOperation)EPOC_CloseAudio, aDevice)); |
| 293 | |
| 294 | iWait = CSimpleWait::NewL(); |
| 295 | |
| 296 | iPlayer = new (ELeave) CStreamPlayer(*this, *this); |
| 297 | iPlayer->ConstructL(); |
| 298 | iPlayer->OpenStream(iRate, iChannels, iType); |
| 299 | |
| 300 | #ifdef DODUMP |
| 301 | User::LeaveIfError(iDump.Open()); |
| 302 | #endif |
| 303 | } |
| 304 | |
| 305 | |
| 306 | |
| 307 | TUint8* CEpocAudio::Buffer() |
| 308 | { |
| 309 | iStart.UniversalTime(); |
| 310 | // iStart = iPlayer->Position(); |
| 311 | return iAudioPtr; |
| 312 | |
| 313 | } |
| 314 | |
| 315 | CEpocAudio::~CEpocAudio() |
| 316 | { |
| 317 | if(iWait != NULL) |
| 318 | iWait->Cancel(); |
| 319 | delete iWait; |
| 320 | if(iPlayer != NULL) |
| 321 | iPlayer->Close(); |
| 322 | delete iPlayer; |
| 323 | delete iBuffer; |
| 324 | } |
| 325 | |
| 326 | void CEpocAudio::Complete(TInt aState, TInt aError) |
| 327 | { |
| 328 | if(aState == MStreamObs::EClose) |
| 329 | { |
| 330 | } |
| 331 | if(iPlayer->Closed()) |
| 332 | return; |
| 333 | switch(aError) |
| 334 | { |
| 335 | case KErrUnderflow: |
| 336 | case KErrInUse: |
| 337 | iPlayer->Start(); |
| 338 | break; |
| 339 | case KErrAbort: |
| 340 | iPlayer->Open(); |
| 341 | } |
| 342 | } |
| 343 | |
| 344 | |
| 345 | void sos_adump(SDL_AudioDevice* thisdevice, void* data, int len) |
| 346 | { |
| 347 | #ifdef DODUMP |
| 348 | const TPtrC8 buf((TUint8*)data, len); |
| 349 | CEpocAudio::Current(thisdevice).Dump(buf); |
| 350 | #endif |
| 351 | } |
| 352 | |
| 353 | const TInt KClip(256); |
| 354 | |
| 355 | TPtrC8 CEpocAudio::Data() |
| 356 | { |
| 357 | if(iPosition < 0) |
| 358 | return KNullDesC8(); |
| 359 | |
| 360 | TPtrC8 data(iAudioPtr + iPosition, KClip); |
| 361 | |
| 362 | #ifdef DODUMP |
| 363 | iDump.Dump(data); |
| 364 | #endif |
| 365 | |
| 366 | iPosition += KClip; |
| 367 | if(iPosition >= iBufferSize) |
| 368 | { |
| 369 | |
| 370 | /* if(iAudioPtr == iBuffer) |
| 371 | iAudioPtr = iBuffer + iBufferSize; |
| 372 | else |
| 373 | iAudioPtr = iBuffer; |
| 374 | */ |
| 375 | iAudioPtr += iBufferSize; |
| 376 | |
| 377 | if((iAudioPtr - iBuffer) >= KAudioBuffers * iBufferSize) |
| 378 | iAudioPtr = iBuffer; |
| 379 | |
| 380 | iPosition = -1; |
| 381 | if(iWait->IsActive()) |
| 382 | { |
| 383 | iWait->Cancel(); |
| 384 | CActiveScheduler::Stop(); |
| 385 | } |
| 386 | } |
| 387 | return data; |
| 388 | } |
| 389 | |
| 390 | |
| 391 | |
| 392 | |
| 393 | void CEpocAudio::Play() |
| 394 | { |
| 395 | iPosition = 0; |
| 396 | } |
| 397 | |
| 398 | void CEpocAudio::Wait() |
| 399 | { |
| 400 | if(iPosition >= 0 /*&& iPlayer->Playing()*/) |
| 401 | { |
| 402 | const TInt64 bufMs = TInt64(iBufferSize - KClip) * TInt64(1000000); |
| 403 | const TInt64 specTime = bufMs / TInt64(iRate * iChannels * 2); |
| 404 | iWait->After(specTime); |
| 405 | |
| 406 | CActiveScheduler::Start(); |
| 407 | TTime end; |
| 408 | end.UniversalTime(); |
| 409 | const TTimeIntervalMicroSeconds delta = end.MicroSecondsFrom(iStart); |
| 410 | |
| 411 | |
| 412 | // const TTimeIntervalMicroSeconds end = iPlayer->Position(); |
| 413 | |
| 414 | |
| 415 | |
| 416 | |
| 417 | const TInt diff = specTime - delta.Int64(); |
| 418 | |
| 419 | if(diff > 0 && diff < 200000) |
| 420 | { |
| 421 | User::After(diff); |
| 422 | } |
| 423 | |
| 424 | } |
| 425 | else |
| 426 | { |
| 427 | User::After(10000); |
| 428 | // iWait->Wait(10000); //just give some time... |
| 429 | } |
| 430 | } |
| 431 | |
| 432 | void CEpocAudio::Open(TInt aRate, TInt aChannels, TUint32 aType, TInt aBytes) |
| 433 | { |
| 434 | iRate = aRate; |
| 435 | iChannels = aChannels; |
| 436 | iType = aType; |
| 437 | iBufferRate = iRate * iChannels * aBytes; //1/x |
| 438 | } |
| 439 | |
| 440 | |
| 441 | /* Audio driver bootstrap functions */ |
| 442 | |
| 443 | AudioBootStrap EPOCAudio_bootstrap = { |
| 444 | "epoc\0\0\0", |
| 445 | "EPOC streaming audio\0\0\0", |
| 446 | Audio_Available, |
| 447 | Audio_CreateDevice |
| 448 | }; |
| 449 | |
| 450 | |
| 451 | static SDL_AudioDevice *Audio_CreateDevice(int /*devindex*/) |
| 452 | { |
| 453 | SDL_AudioDevice *thisdevice; |
| 454 | |
| 455 | /* Initialize all variables that we clean on shutdown */ |
| 456 | thisdevice = (SDL_AudioDevice *)malloc(sizeof(SDL_AudioDevice)); |
| 457 | if ( thisdevice ) { |
| 458 | memset(thisdevice, 0, (sizeof *thisdevice)); |
| 459 | thisdevice->hidden = NULL; /*(struct SDL_PrivateAudioData *) |
| 460 | malloc((sizeof thisdevice->hidden)); */ |
| 461 | } |
| 462 | if ( (thisdevice == NULL) /*|| (thisdevice->hidden == NULL) */) { |
| 463 | SDL_OutOfMemory(); |
| 464 | if ( thisdevice ) { |
| 465 | free(thisdevice); |
| 466 | } |
| 467 | return(0); |
| 468 | } |
| 469 | // memset(thisdevice->hidden, 0, (sizeof *thisdevice->hidden)); |
| 470 | |
| 471 | /* Set the function pointers */ |
| 472 | thisdevice->OpenAudio = EPOC_OpenAudio; |
| 473 | thisdevice->WaitAudio = EPOC_WaitAudio; |
| 474 | thisdevice->PlayAudio = EPOC_PlayAudio; |
| 475 | thisdevice->GetAudioBuf = EPOC_GetAudioBuf; |
| 476 | thisdevice->CloseAudio = EPOC_CloseAudio; |
| 477 | thisdevice->ThreadInit = EPOC_ThreadInit; |
| 478 | thisdevice->free = Audio_DeleteDevice; |
| 479 | |
| 480 | return thisdevice; |
| 481 | } |
| 482 | |
| 483 | |
| 484 | static void Audio_DeleteDevice(SDL_AudioDevice *device) |
| 485 | { |
| 486 | //free(device->hidden); |
| 487 | free(device); |
| 488 | } |
| 489 | |
| 490 | static int Audio_Available(void) |
| 491 | { |
| 492 | return(1); // Audio stream modules should be always there! |
| 493 | } |
| 494 | |
| 495 | |
| 496 | static int EPOC_OpenAudio(SDL_AudioDevice *thisdevice, SDL_AudioSpec *spec) |
| 497 | { |
| 498 | SDL_TRACE("SDL:EPOC_OpenAudio"); |
| 499 | |
| 500 | |
| 501 | TUint32 type = KMMFFourCCCodePCM16; |
| 502 | TInt bytes = 2; |
| 503 | |
| 504 | switch(spec->format) |
| 505 | { |
| 506 | case AUDIO_U16LSB: |
| 507 | type = KMMFFourCCCodePCMU16; |
| 508 | break; |
| 509 | case AUDIO_S16LSB: |
| 510 | type = KMMFFourCCCodePCM16; |
| 511 | break; |
| 512 | case AUDIO_U16MSB: |
| 513 | type = KMMFFourCCCodePCMU16B; |
| 514 | break; |
| 515 | case AUDIO_S16MSB: |
| 516 | type = KMMFFourCCCodePCM16B; |
| 517 | break; |
| 518 | //8 bit not supported! |
| 519 | case AUDIO_U8: |
| 520 | case AUDIO_S8: |
| 521 | default: |
| 522 | spec->format = AUDIO_S16LSB; |
| 523 | }; |
| 524 | |
| 525 | |
| 526 | |
| 527 | if(spec->channels > 2) |
| 528 | spec->channels = 2; |
| 529 | |
| 530 | spec->freq = CStreamPlayer::ClosestSupportedRate(spec->freq); |
| 531 | |
| 532 | |
| 533 | /* Allocate mixing buffer */ |
| 534 | const TInt buflen = spec->size;// * bytes * spec->channels; |
| 535 | // audiobuf = NULL; |
| 536 | |
| 537 | TRAPD(err, thisdevice->hidden = static_cast<SDL_PrivateAudioData*>(CEpocAudio::NewL(buflen, spec->silence))); |
| 538 | if(err != KErrNone) |
| 539 | return -1; |
| 540 | |
| 541 | CEpocAudio::Current(thisdevice).Open(spec->freq, spec->channels, type, bytes); |
| 542 | |
| 543 | CEpocAudio::Current(thisdevice).SetPause(ETrue); |
| 544 | |
| 545 | // isSDLAudioPaused = 1; |
| 546 | |
| 547 | thisdevice->enabled = 0; /* enable only after audio engine has been initialized!*/ |
| 548 | |
| 549 | /* We're ready to rock and roll. :-) */ |
| 550 | return(0); |
| 551 | } |
| 552 | |
| 553 | |
| 554 | static void EPOC_CloseAudio(SDL_AudioDevice* thisdevice) |
| 555 | { |
| 556 | #ifdef DEBUG_AUDIO |
| 557 | SDL_TRACE("Close audio\n"); |
| 558 | #endif |
| 559 | |
| 560 | CEpocAudio::Free(thisdevice); |
| 561 | } |
| 562 | |
| 563 | |
| 564 | static void EPOC_ThreadInit(SDL_AudioDevice *thisdevice) |
| 565 | { |
| 566 | SDL_TRACE("SDL:EPOC_ThreadInit"); |
| 567 | CEpocAudio::Current(thisdevice).ThreadInitL(thisdevice); |
| 568 | RThread().SetPriority(EPriorityMore); |
| 569 | thisdevice->enabled = 1; |
| 570 | } |
| 571 | |
| 572 | /* This function waits until it is possible to write a full sound buffer */ |
| 573 | static void EPOC_WaitAudio(SDL_AudioDevice* thisdevice) |
| 574 | { |
| 575 | #ifdef DEBUG_AUDIO |
| 576 | SDL_TRACE1("wait %d audio\n", CEpocAudio::AudioLib().StreamPlayer(KSfxChannel).SyncTime()); |
| 577 | TInt tics = User::TickCount(); |
| 578 | #endif |
| 579 | |
| 580 | CEpocAudio::Current(thisdevice).Wait(); |
| 581 | |
| 582 | #ifdef DEBUG_AUDIO |
| 583 | TInt ntics = User::TickCount() - tics; |
| 584 | SDL_TRACE1("audio waited %d\n", ntics); |
| 585 | SDL_TRACE1("audio at %d\n", tics); |
| 586 | #endif |
| 587 | } |
| 588 | |
| 589 | |
| 590 | |
| 591 | static void EPOC_PlayAudio(SDL_AudioDevice* thisdevice) |
| 592 | { |
| 593 | if(CEpocAudio::Current(thisdevice).SetPause(SDL_GetAudioStatus() == SDL_AUDIO_PAUSED)) |
| 594 | SDL_Delay(500); //hold on the busy loop |
| 595 | else |
| 596 | CEpocAudio::Current(thisdevice).Play(); |
| 597 | |
| 598 | #ifdef DEBUG_AUDIO |
| 599 | SDL_TRACE("buffer has audio data\n"); |
| 600 | #endif |
| 601 | |
| 602 | |
| 603 | #ifdef DEBUG_AUDIO |
| 604 | SDL_TRACE1("Wrote %d bytes of audio data\n", buflen); |
| 605 | #endif |
| 606 | } |
| 607 | |
| 608 | static Uint8 *EPOC_GetAudioBuf(SDL_AudioDevice* thisdevice) |
| 609 | { |
| 610 | return CEpocAudio::Current(thisdevice).Buffer(); |
| 611 | } |
| 612 | |
| 613 | |
| 614 | |