Mercurial > vba-linux

     1 #include "stdafx.h"

     2 #include <mmreg.h>

     3 #include <dsound.h>

     4 

     5 #include "resource.h"

     6 #include "AVIWrite.h"

     7 #include "Sound.h"

     8 #include "WavWriter.h"

     9 #include "VBA.h"

    10 

    11 #include "../gba/GBAGlobals.h"

    12 #include "../gba/GBASound.h"

    13 #include "../common/nesvideos-piece.h"

    14 

    15 extern void directXMessage(const char *);

    16 

    17 class DirectSound : public ISound

    18 {

    19 private:

    20 	HINSTANCE			dsoundDLL;

    21 	LPDIRECTSOUND		pDirectSound;

    22 	LPDIRECTSOUNDBUFFER dsbPrimary;

    23 	LPDIRECTSOUNDBUFFER dsbSecondary;

    24 	LPDIRECTSOUNDNOTIFY dsbNotify;

    25 	HANDLE		 dsbEvent;

    26 	WAVEFORMATEX wfx;

    27 	float		 curRate;

    28 public:

    29 	DirectSound();

    30 	virtual ~DirectSound();

    31 

    32 	bool init();

    33 	void pause();

    34 	void reset();

    35 	void resume();

    36 	void write();

    37 	void setSpeed(float rate);

    38 	bool isPlaying();

    39 	void clearAudioBuffer();

    40 };

    41 

    42 DirectSound::DirectSound()

    43 {

    44 	dsoundDLL	 = NULL;

    45 	pDirectSound = NULL;

    46 	dsbPrimary	 = NULL;

    47 	dsbSecondary = NULL;

    48 	dsbNotify	 = NULL;

    49 	dsbEvent	 = NULL;

    50 }

    51 

    52 DirectSound::~DirectSound()

    53 {

    54 	if (theApp.aviRecorder != NULL)

    55 	{

    56 		delete theApp.aviRecorder;

    57 		theApp.aviRecorder	= NULL;

    58 		theApp.aviRecording = false;

    59 	}

    60 

    61 	if (theApp.soundRecording)

    62 	{

    63 		if (theApp.soundRecorder != NULL)

    64 		{

    65 			delete theApp.soundRecorder;

    66 			theApp.soundRecorder = NULL;

    67 		}

    68 		theApp.soundRecording = false;

    69 	}

    70 

    71 	if (dsbNotify != NULL)

    72 	{

    73 		dsbNotify->Release();

    74 		dsbNotify = NULL;

    75 	}

    76 

    77 	if (dsbEvent != NULL)

    78 	{

    79 		CloseHandle(dsbEvent);

    80 		dsbEvent = NULL;

    81 	}

    82 

    83 	if (pDirectSound != NULL)

    84 	{

    85 		if (dsbPrimary != NULL)

    86 		{

    87 			dsbPrimary->Release();

    88 			dsbPrimary = NULL;

    89 		}

    90 

    91 		if (dsbSecondary != NULL)

    92 		{

    93 			dsbSecondary->Release();

    94 			dsbSecondary = NULL;

    95 		}

    96 

    97 		pDirectSound->Release();

    98 		pDirectSound = NULL;

    99 	}

   100 

   101 	if (dsoundDLL != NULL)

   102 	{

   103 		FreeLibrary(dsoundDLL);

   104 		dsoundDLL = NULL;

   105 	}

   106 }

   107 

   108 bool DirectSound::init()

   109 {

   110 	HRESULT hr;

   111 

   112 	dsoundDLL = LoadLibrary("DSOUND.DLL");

   113 	HRESULT (WINAPI *DSoundCreate)(LPCGUID, LPDIRECTSOUND *, IUnknown *);

   114 	if (dsoundDLL != NULL)

   115 	{

   116 		DSoundCreate = (HRESULT (WINAPI *)(LPCGUID, LPDIRECTSOUND *, IUnknown *))

   117 		               GetProcAddress(dsoundDLL, "DirectSoundCreate");

   118 

   119 		if (DSoundCreate == NULL)

   120 		{

   121 			directXMessage("DirectSoundCreate");

   122 			return false;

   123 		}

   124 	}

   125 	else

   126 	{

   127 		directXMessage("DSOUND.DLL");

   128 		return false;

   129 	}

   130 

   131 	if (FAILED(hr = DSoundCreate(NULL, &pDirectSound, NULL)))

   132 	{

   133 		//    errorMessage(myLoadString(IDS_ERROR_SOUND_CREATE), hr);

   134 		systemMessage(IDS_CANNOT_CREATE_DIRECTSOUND,

   135 		              "Cannot create DirectSound %08x", hr);

   136 		pDirectSound = NULL;

   137 		dsbSecondary = NULL;

   138 		return false;

   139 	}

   140 

   141 	if (FAILED(hr = pDirectSound->SetCooperativeLevel((HWND)*theApp.m_pMainWnd, DSSCL_EXCLUSIVE)))

   142 	{

   143 		//    errorMessage(myLoadString(IDS_ERROR_SOUND_LEVEL), hr);

   144 		systemMessage(IDS_CANNOT_SETCOOPERATIVELEVEL,

   145 		              "Cannot SetCooperativeLevel %08x", hr);

   146 		return false;

   147 	}

   148 

   149 	DSBUFFERDESC dsbdesc;

   150 	ZeroMemory(&dsbdesc, sizeof(DSBUFFERDESC));

   151 	dsbdesc.dwSize	= sizeof(DSBUFFERDESC);

   152 	dsbdesc.dwFlags = DSBCAPS_PRIMARYBUFFER;

   153 

   154 	if (FAILED(hr = pDirectSound->CreateSoundBuffer(&dsbdesc, &dsbPrimary, NULL)))

   155 	{

   156 		//    errorMessage(myLoadString(IDS_ERROR_SOUND_BUFFER),hr);

   157 		systemMessage(IDS_CANNOT_CREATESOUNDBUFFER,

   158 		              "Cannot CreateSoundBuffer %08x", hr);

   159 		return false;

   160 	}

   161 

   162 	// Set primary buffer format

   163 

   164 	memset(&wfx, 0, sizeof(WAVEFORMATEX));

   165 	wfx.wFormatTag = WAVE_FORMAT_PCM;

   166 	wfx.nChannels  = 2;

   167 	switch (soundQuality)

   168 	{

   169 	case 2:

   170 		wfx.nSamplesPerSec	= 22050;

   171 		soundBufferLen		= 736 * 2;

   172 		soundBufferTotalLen = 7360 * 2;

   173 		break;

   174 	case 4:

   175 		wfx.nSamplesPerSec	= 11025;

   176 		soundBufferLen		= 368 * 2;

   177 		soundBufferTotalLen = 3680 * 2;

   178 		break;

   179 	default:

   180 		soundQuality		= 1;

   181 		wfx.nSamplesPerSec	= 44100;

   182 		soundBufferLen		= 1470 * 2;

   183 		soundBufferTotalLen = 14700 * 2;

   184 	}

   185 	wfx.wBitsPerSample	= 16;

   186 	wfx.nBlockAlign		= (wfx.wBitsPerSample / 8) * wfx.nChannels;

   187 	wfx.nAvgBytesPerSec = wfx.nSamplesPerSec * wfx.nBlockAlign;

   188 

   189 	if (FAILED(hr = dsbPrimary->SetFormat(&wfx)))

   190 	{

   191 		//    errorMessage(myLoadString(IDS_ERROR_SOUND_PRIMARY),hr);

   192 		systemMessage(IDS_CANNOT_SETFORMAT_PRIMARY,

   193 		              "Cannot SetFormat for primary %08x", hr);

   194 		return false;

   195 	}

   196 

   197 	ZeroMemory(&dsbdesc, sizeof(DSBUFFERDESC));

   198 	dsbdesc.dwSize		  = sizeof(DSBUFFERDESC);

   199 	dsbdesc.dwFlags		  = DSBCAPS_GETCURRENTPOSITION2 | DSBCAPS_CTRLPOSITIONNOTIFY | DSBCAPS_CTRLFREQUENCY | DSBCAPS_GLOBALFOCUS;

   200 	dsbdesc.dwBufferBytes = soundBufferTotalLen;

   201 	dsbdesc.lpwfxFormat	  = &wfx;

   202 

   203 	if (FAILED(hr = pDirectSound->CreateSoundBuffer(&dsbdesc, &dsbSecondary, NULL)))

   204 	{

   205 		bool ok = false;

   206 		while (dsbdesc.dwFlags != DSBCAPS_GETCURRENTPOSITION2)

   207 		{

   208 			if (dsbdesc.dwFlags & DSBCAPS_CTRLFREQUENCY)

   209 				dsbdesc.dwFlags ^= DSBCAPS_CTRLFREQUENCY;

   210 			else if (dsbdesc.dwFlags & DSBCAPS_GLOBALFOCUS)

   211 				dsbdesc.dwFlags ^= DSBCAPS_GLOBALFOCUS;

   212 			else if (dsbdesc.dwFlags & DSBCAPS_CTRLPOSITIONNOTIFY)

   213 				dsbdesc.dwFlags ^= DSBCAPS_CTRLPOSITIONNOTIFY;

   214 			if (SUCCEEDED(hr = pDirectSound->CreateSoundBuffer(&dsbdesc, &dsbSecondary, NULL)))

   215 			{

   216 				ok = true;

   217 				break;

   218 			}

   219 		}

   220 		if (!ok)

   221 		{

   222 			systemMessage(IDS_CANNOT_CREATESOUNDBUFFER_SEC, "Cannot CreateSoundBuffer secondary %08x", hr);

   223 			return false;

   224 		}

   225 

   226 		dsbdesc.dwFlags = DSBCAPS_GETCURRENTPOSITION2;

   227 	}

   228 

   229 	dsbSecondary->SetCurrentPosition(0);

   230 

   231 	if (!theApp.useOldSync)

   232 	{

   233 		hr = dsbSecondary->QueryInterface(IID_IDirectSoundNotify,

   234 		                                  (void * *)&dsbNotify);

   235 		if (!FAILED(hr))

   236 		{

   237 			dsbEvent = CreateEvent(NULL, FALSE, FALSE, NULL);

   238 

   239 			DSBPOSITIONNOTIFY notify[10];

   240 

   241 			for (int i = 0; i < 10; i++)

   242 			{

   243 				notify[i].dwOffset	   = i * soundBufferLen;

   244 				notify[i].hEventNotify = dsbEvent;

   245 			}

   246 			if (FAILED(dsbNotify->SetNotificationPositions(10, notify)))

   247 			{

   248 				dsbNotify->Release();

   249 				dsbNotify = NULL;

   250 				CloseHandle(dsbEvent);

   251 				dsbEvent = NULL;

   252 			}

   253 		}

   254 	}

   255 

   256 	hr = dsbPrimary->Play(0, 0, DSBPLAY_LOOPING);

   257 

   258 	if (FAILED(hr))

   259 	{

   260 		//    errorMessage(myLoadString(IDS_ERROR_SOUND_PLAYPRIM), hr);

   261 		systemMessage(IDS_CANNOT_PLAY_PRIMARY, "Cannot Play primary %08x", hr);

   262 		return false;

   263 	}

   264 

   265 	systemSoundOn = true;

   266 

   267 	return true;

   268 }

   269 

   270 void DirectSound::setSpeed(float rate)

   271 {

   272 	if (dsbSecondary == NULL || wfx.nSamplesPerSec <= 0)

   273 		return;

   274 

   275 	if (rate != curRate)

   276 	{

   277 		curRate = rate;

   278 

   279 		if (rate > 4.0f)

   280 			rate = 4.0f;

   281 		if (rate < 0.06f)

   282 			rate = 0.06f;

   283 

   284 		dsbSecondary->SetFrequency((DWORD)((float)wfx.nSamplesPerSec * rate));

   285 	}

   286 }

   287 

   288 void DirectSound::pause()

   289 {

   290 	if (dsbSecondary != NULL)

   291 	{

   292 		DWORD status = 0;

   293 		dsbSecondary->GetStatus(&status);

   294 

   295 		if (status & DSBSTATUS_PLAYING)

   296 		{

   297 			//systemScreenMessage("sound stopped (pause)!", 3);

   298 			dsbSecondary->Stop();

   299 		}

   300 	}

   301 }

   302 

   303 bool DirectSound::isPlaying()

   304 {

   305 	if (dsbSecondary != NULL)

   306 	{

   307 		DWORD status = 0;

   308 		dsbSecondary->GetStatus(&status);

   309 

   310 		if (status & DSBSTATUS_PLAYING)

   311 		{

   312 			return true;

   313 		}

   314 	}

   315 	return false;

   316 }

   317 

   318 void DirectSound::reset()

   319 {

   320 	if (dsbSecondary)

   321 	{

   322 		//systemScreenMessage("sound stopped (reset)!", 3);

   323 		dsbSecondary->Stop();

   324 		dsbSecondary->SetCurrentPosition(0);

   325 	}

   326 }

   327 

   328 void DirectSound::resume()

   329 {

   330 	if (dsbSecondary != NULL)

   331 	{

   332 		dsbSecondary->Play(0, 0, DSBPLAY_LOOPING);

   333 	}

   334 }

   335 

   336 long linearFrameCount	   = 0;

   337 long linearSoundByteCount  = 0;

   338 long linearSoundFrameCount = 0;

   339 

   340 void DirectSound::write()

   341 {

   342 	int	   len = soundBufferLen;

   343 	LPVOID lpvPtr1;

   344 	DWORD  dwBytes1;

   345 	LPVOID lpvPtr2;

   346 	DWORD  dwBytes2;

   347 

   348 	do

   349 	{

   350 		linearSoundByteCount += len;

   351 		if (wfx.nAvgBytesPerSec)

   352 			linearSoundFrameCount = 60 * linearSoundByteCount / wfx.nAvgBytesPerSec;

   353 

   354 		if (pDirectSound != NULL)

   355 		{

   356 			if (theApp.soundRecording)

   357 			{

   358 				if (dsbSecondary)

   359 				{

   360 					if (theApp.soundRecorder == NULL)

   361 					{

   362 						theApp.soundRecorder = new WavWriter;

   363 						WAVEFORMATEX format;

   364 						dsbSecondary->GetFormat(&format, sizeof(format), NULL);

   365 						if (theApp.soundRecorder->Open(theApp.soundRecordName))

   366 							theApp.soundRecorder->SetFormat(&format);

   367 					}

   368 				}

   369 

   370 				if (theApp.soundRecorder)

   371 				{

   372 					theApp.soundRecorder->AddSound((u8 *)soundFinalWave, len);

   373 				}

   374 			}

   375 

   376 			if (theApp.nvAudioLog)

   377 			{

   378 				NESVideoLoggingAudio((u8 *)soundFinalWave, wfx.nSamplesPerSec, wfx.wBitsPerSample, wfx.nChannels, len /

   379 				                     (wfx.nChannels * (wfx.wBitsPerSample / 8)));

   380 			}

   381 

   382 			// alternate avi record routine has been added in VBA.cpp

   383 			if (!theApp.altAviRecordMethod && theApp.aviRecording)

   384 			{

   385 				if (theApp.aviRecorder && !theApp.aviRecorder->IsPaused())

   386 				{

   387 					if (dsbSecondary)

   388 					{

   389 						if (!theApp.aviRecorder->IsSoundAdded())

   390 						{

   391 							WAVEFORMATEX format;

   392 							dsbSecondary->GetFormat(&format, sizeof(format), NULL);

   393 							theApp.aviRecorder->SetSoundFormat(&format);

   394 						}

   395 					}

   396 

   397 					theApp.aviRecorder->AddSound((u8 *)soundFinalWave, len);

   398 				}

   399 			}

   400 		}

   401 	}

   402 	while (linearSoundFrameCount <= linearFrameCount);

   403 

   404 	// arbitrarily wrap counters at 10000 frames to avoid mismatching wrap-around freeze

   405 	if (linearSoundFrameCount > 10000 && linearFrameCount > 10000)

   406 	{

   407 		linearFrameCount	 -= 10000;

   408 		linearSoundByteCount -= wfx.nAvgBytesPerSec * 10000 / 60;

   409 		linearSoundFrameCount = 60 * linearSoundByteCount / wfx.nAvgBytesPerSec;

   410 	}

   411 

   412 	if (!pDirectSound)

   413 		return;

   414 

   415 	HRESULT hr;

   416 

   417 	bool fastForward = speedup;

   418 #if (defined(WIN32) && !defined(SDL))

   419 	fastForward |= theApp.frameSearchSkipping;

   420 #endif

   421 

   422 	// slows down emulator to match up with the sound speed

   423 	if (!fastForward && synchronize && !(theApp.throttle > 100 && theApp.accuratePitchThrottle)

   424 		&& theApp.throttle >= 6 && theApp.throttle <= 400)

   425 	{

   426 		DWORD status = 0;

   427 		hr = dsbSecondary->GetStatus(&status);

   428 		if (status & DSBSTATUS_PLAYING)

   429 		{

   430 			if (!soundPaused)

   431 			{

   432 				DWORD play;

   433 				while (true)

   434 				{

   435 					dsbSecondary->GetCurrentPosition(&play, NULL);

   436 

   437 					if (soundNextPosition + soundBufferLen < soundBufferTotalLen)

   438 					{

   439 						if (play < soundNextPosition

   440 						    || play > soundNextPosition + soundBufferLen)

   441 							break;

   442 					}

   443 					else

   444 					{

   445 						if (play < soundNextPosition

   446 						    && play > (soundNextPosition + soundBufferLen) % soundBufferTotalLen)

   447 							break;

   448 					}

   449 

   450 					if (dsbEvent)

   451 					{

   452 						WaitForSingleObject(dsbEvent, 50);

   453 					}

   454 				}

   455 			}

   456 		}

   457 		else

   458 		{

   459 			soundPaused = 1;

   460 		}

   461 	}

   462 

   463 	// Obtain memory address of write block. This will be in two parts

   464 	// if the block wraps around.

   465 	hr = dsbSecondary->Lock(soundNextPosition, soundBufferLen,

   466 	                        &lpvPtr1, &dwBytes1, &lpvPtr2, &dwBytes2,

   467 	                        0);

   468 

   469 	if (FAILED(hr))

   470 	{

   471 		char str [256];

   472 		sprintf(str, "Locking secondary failed with %d", hr);

   473 		systemScreenMessage(str);

   474 	}

   475 

   476 	// If DSERR_BUFFERLOST is returned, restore and retry lock.

   477 	if (DSERR_BUFFERLOST == hr)

   478 	{

   479 		dsbSecondary->Restore();

   480 		hr = dsbSecondary->Lock(soundNextPosition, soundBufferLen,

   481 		                        &lpvPtr1, &dwBytes1, &lpvPtr2, &dwBytes2,

   482 		                        0);

   483 	}

   484 

   485 	if (SUCCEEDED(hr))

   486 	{

   487 		if (theApp.muteFrameAdvance && theApp.winPauseNextFrame || theApp.winMuteForNow)

   488 		{

   489 			// Write 0 to pointers.

   490 			if (NULL != lpvPtr1)

   491 				ZeroMemory(lpvPtr1, dwBytes1);

   492 			if (NULL != lpvPtr2)

   493 				ZeroMemory(lpvPtr2, dwBytes2);

   494 		}

   495 		else

   496 		{

   497 			// Write to pointers.

   498 			if (NULL != lpvPtr1)

   499 				CopyMemory(lpvPtr1, soundFinalWave, dwBytes1);

   500 			if (NULL != lpvPtr2)

   501 				CopyMemory(lpvPtr2, soundFinalWave + dwBytes1, dwBytes2);

   502 		}

   503 

   504 		// Release the data back to DirectSound.

   505 		hr = dsbSecondary->Unlock(lpvPtr1, dwBytes1, lpvPtr2,

   506 		                          dwBytes2);

   507 	}

   508 

   509 	soundNextPosition += soundBufferLen;

   510 	soundNextPosition %= soundBufferTotalLen;

   511 }

   512 

   513 void DirectSound::clearAudioBuffer()

   514 {

   515 	LPVOID	lpvPtr1;

   516 	DWORD	dwBytes1;

   517 	LPVOID	lpvPtr2;

   518 	DWORD	dwBytes2;

   519 	HRESULT hr = dsbSecondary->Lock(0, soundBufferTotalLen, &lpvPtr1, &dwBytes1, &lpvPtr2, &dwBytes2, 0);

   520 	if (!FAILED(hr))

   521 	{

   522 		if (lpvPtr1)

   523 			memset(lpvPtr1, 0, dwBytes1);

   524 		if (lpvPtr2)

   525 			memset(lpvPtr2, 0, dwBytes2);

   526 		hr = dsbSecondary->Unlock(lpvPtr1, dwBytes1, lpvPtr2, dwBytes2);

   527 	}

   528 }

   529 

   530 ISound *newDirectSound()

   531 {

   532 	return new DirectSound();

   533 }

   534
author	Robert McIntyre <rlm@mit.edu>
date	Sat, 03 Mar 2012 10:35:58 -0600
parents	f9f4f1b99eed
children