/*
* DirectSoundを初期化する
*/
BOOL DSInitialize(HWND hWnd)
{
HRESULT hRet;
uintptr_t t;
/* IDirectSoundのインスタンスを取得して初期化する */
hRet = CoCreateInstance(&CLSID_DirectSound,
NULL,
CLSCTX_INPROC_SERVER,
&IID_IDirectSound,
(void **)&pDS);
if(hRet != S_OK || pDS == NULL)
return FALSE;
/* COMオブジェクトを初期化する */
IDirectSound_Initialize(pDS, NULL);
/* 協調レベルを設定する */
hRet = IDirectSound_SetCooperativeLevel(pDS, hWnd, DSSCL_PRIORITY);
if(hRet != DS_OK)
return FALSE;
/* プライマリバッファのフォーマットを設定する */
if(!CreatePrimaryBuffer())
return FALSE;
/* セカンダリバッファを作成する */
if(!CreateSecondaryBuffers())
return FALSE;
/* イベントスレッドへの終了通知用のイベントを作成する */
hQuitEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
if(hQuitEvent == NULL)
return FALSE;
/* DirectSoundの再生位置通知を受け取るスレッドを開始する */
t = _beginthread(EventThread, 0, NULL);
if(t == (unsigned long)-1)
return FALSE;
hEventThread = (HANDLE)t;
return TRUE;
}
static void InitializeAudio(uint32_t freq)
{
WriteTrace(TraceAudioInitShutdown, TraceDebug, "Start (freq: %d)",freq);
if (freq < 4000)
{
WriteTrace(TraceAudioInitShutdown, TraceInfo, "Sometimes a bad frequency is requested so ignore it (freq: %d)",freq);
WriteTrace(TraceAudioInitShutdown, TraceDebug, "Done");
return;
}
if (g_GameFreq == freq && g_primaryBuffer != NULL)
{
WriteTrace(TraceAudioInitShutdown, TraceInfo, "we are already using this frequency, so ignore it (freq: %d)",freq);
WriteTrace(TraceAudioInitShutdown, TraceDebug, "Done");
return;
}
if (g_critical_failure)
{
WriteTrace(TraceAudioInitShutdown, TraceInfo, "had a critical failure in setting up plugin, so ignore init");
WriteTrace(TraceAudioInitShutdown, TraceDebug, "Done");
return;
}
/* This is important for the sync */
g_GameFreq = freq;
#ifdef ANDROID
SLuint32 sample_rate;
if((freq/1000) <= 11)
{
g_OutputFreq = 11025;
sample_rate = SL_SAMPLINGRATE_11_025;
}
else if((freq/1000) <= 22)
{
g_OutputFreq = 22050;
sample_rate = SL_SAMPLINGRATE_22_05;
}
else if((freq/1000) <= 32)
{
g_OutputFreq = 32000;
sample_rate = SL_SAMPLINGRATE_32;
}
else
{
g_OutputFreq = 44100;
sample_rate = SL_SAMPLINGRATE_44_1;
}
#endif
WriteTrace(TraceAudioInitShutdown, TraceInfo, "Requesting frequency: %iHz.", g_OutputFreq);
/* reload these because they gets re-assigned from data below, and InitializeAudio can be called more than once */
g_PrimaryBufferSize = GetSetting(Buffer_PrimarySize);
g_SecondaryBufferSize = GetSetting(Buffer_SecondarySize);
g_SecondaryBufferNbr = GetSetting(Buffer_SecondaryNbr);
/* Close everything because InitializeAudio can be called more than once */
CloseAudio();
/* Create primary buffer */
if(!CreatePrimaryBuffer())
{
WriteTrace(TraceAudioInitShutdown, TraceError, "CreatePrimaryBuffer failed");
CloseAudio();
g_critical_failure = true;
WriteTrace(TraceAudioInitShutdown, TraceDebug, "Done");
return;
}
/* Create secondary buffers */
if(!CreateSecondaryBuffers())
{
WriteTrace(TraceAudioInitShutdown, TraceError, "CreateSecondaryBuffers failed");
CloseAudio();
g_critical_failure = true;
WriteTrace(TraceAudioInitShutdown, TraceDebug, "Done");
return;
}
#ifdef ANDROID
/* Create thread Locks to ensure synchronization between callback and processing code */
if (pthread_mutex_init(&(g_lock.mutex), (pthread_mutexattr_t*) NULL) != 0)
{
WriteTrace(TraceAudioInitShutdown, TraceError, "pthread_mutex_init failed");
CloseAudio();
g_critical_failure = true;
WriteTrace(TraceAudioInitShutdown, TraceDebug, "Done");
return;
}
if (pthread_cond_init(&(g_lock.cond), (pthread_condattr_t*) NULL) != 0)
{
WriteTrace(TraceAudioInitShutdown, TraceError, "pthread_cond_init failed");
CloseAudio();
g_critical_failure = true;
WriteTrace(TraceAudioInitShutdown, TraceDebug, "Done");
return;
}
pthread_mutex_lock(&(g_lock.mutex));
g_lock.value = g_lock.limit = g_SecondaryBufferNbr;
pthread_mutex_unlock(&(g_lock.mutex));
/* Engine object */
SLresult result = slCreateEngine(&g_engineObject, 0, NULL, 0, NULL, NULL);
if(result != SL_RESULT_SUCCESS)
{
WriteTrace(TraceAudioInitShutdown, TraceError, "slCreateEngine failed (result: %d)",result);
}
if(result == SL_RESULT_SUCCESS)
{
result = (*g_engineObject)->Realize(g_engineObject, SL_BOOLEAN_FALSE);
if(result != SL_RESULT_SUCCESS)
{
WriteTrace(TraceAudioInitShutdown, TraceError, "slCreateEngine->Realize failed (result: %d)",result);
}
}
if(result == SL_RESULT_SUCCESS)
{
result = (*g_engineObject)->GetInterface(g_engineObject, SL_IID_ENGINE, &g_engineEngine);
if(result != SL_RESULT_SUCCESS)
{
WriteTrace(TraceAudioInitShutdown, TraceError, "slCreateEngine->GetInterface failed (result: %d)",result);
}
}
if(result == SL_RESULT_SUCCESS)
{
/* Output mix object */
result = (*g_engineEngine)->CreateOutputMix(g_engineEngine, &g_outputMixObject, 0, NULL, NULL);
if(result != SL_RESULT_SUCCESS)
{
WriteTrace(TraceAudioInitShutdown, TraceError, "slCreateEngine->CreateOutputMix failed (result: %d)",result);
}
}
if(result == SL_RESULT_SUCCESS)
{
result = (*g_outputMixObject)->Realize(g_outputMixObject, SL_BOOLEAN_FALSE);
if(result != SL_RESULT_SUCCESS)
{
WriteTrace(TraceAudioInitShutdown, TraceError, "g_outputMixObject->Realize failed (result: %d)",result);
}
}
if(result == SL_RESULT_SUCCESS)
{
SLDataLocator_AndroidSimpleBufferQueue loc_bufq = {SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE, g_SecondaryBufferNbr};
SLDataFormat_PCM format_pcm = {SL_DATAFORMAT_PCM,2, sample_rate, SL_PCMSAMPLEFORMAT_FIXED_16, SL_PCMSAMPLEFORMAT_FIXED_16,
(SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT), SL_BYTEORDER_LITTLEENDIAN};
SLDataSource audioSrc = {&loc_bufq, &format_pcm};
/* Configure audio sink */
SLDataLocator_OutputMix loc_outmix = {SL_DATALOCATOR_OUTPUTMIX, g_outputMixObject};
SLDataSink audioSnk = {&loc_outmix, NULL};
/* Create audio player */
const SLInterfaceID ids1[] = {SL_IID_ANDROIDSIMPLEBUFFERQUEUE};
const SLboolean req1[] = {SL_BOOLEAN_TRUE};
result = (*g_engineEngine)->CreateAudioPlayer(g_engineEngine, &(g_playerObject), &audioSrc, &audioSnk, 1, ids1, req1);
if(result != SL_RESULT_SUCCESS)
{
WriteTrace(TraceAudioInitShutdown, TraceError, "g_engineEngine->CreateAudioPlayer failed (result: %d)",result);
}
}
/* Realize the player */
if(result == SL_RESULT_SUCCESS)
{
result = (*g_playerObject)->Realize(g_playerObject, SL_BOOLEAN_FALSE);
if(result != SL_RESULT_SUCCESS)
{
WriteTrace(TraceAudioInitShutdown, TraceError, "g_playerObject->Realize failed (result: %d)",result);
}
}
/* Get the play interface */
if(result == SL_RESULT_SUCCESS)
{
result = (*g_playerObject)->GetInterface(g_playerObject, SL_IID_PLAY, &(g_playerPlay));
if(result != SL_RESULT_SUCCESS)
{
WriteTrace(TraceAudioInitShutdown, TraceError, "g_playerObject->GetInterface(SL_IID_PLAY) failed (result: %d)",result);
}
}
/* Get the buffer queue interface */
if(result == SL_RESULT_SUCCESS)
{
result = (*g_playerObject)->GetInterface(g_playerObject, SL_IID_ANDROIDSIMPLEBUFFERQUEUE, &(g_bufferQueue));
if(result != SL_RESULT_SUCCESS)
{
WriteTrace(TraceAudioInitShutdown, TraceError, "g_playerObject->GetInterface(SL_IID_ANDROIDSIMPLEBUFFERQUEUE) failed (result: %d)",result);
}
}
/* register callback on the buffer queue */
if(result == SL_RESULT_SUCCESS)
{
result = (*g_bufferQueue)->RegisterCallback(g_bufferQueue, queueCallback, &g_lock);
if(result != SL_RESULT_SUCCESS)
{
WriteTrace(TraceAudioInitShutdown, TraceError, "bufferQueue->RegisterCallback() failed (result: %d)",result);
}
}
/* set the player's state to playing */
if(result == SL_RESULT_SUCCESS)
{
result = (*g_playerPlay)->SetPlayState(g_playerPlay, SL_PLAYSTATE_PLAYING);
if(result != SL_RESULT_SUCCESS)
{
WriteTrace(TraceAudioInitShutdown, TraceError, "g_playerPlay->SetPlayState(SL_PLAYSTATE_PLAYING) failed (result: %d)",result);
}
}
if(result != SL_RESULT_SUCCESS)
{
WriteTrace(TraceAudioInitShutdown, TraceNotice, "Couldn't open OpenSLES audio");
CloseAudio();
g_critical_failure = true;
}
#endif
WriteTrace(TraceAudioInitShutdown, TraceNotice, "Done");
}
