bool Player::Initialize(const SlotInitParams slotsIP[], const int sgCount_)
{
player_data_s &pd = *(player_data_s *)&data;
//Инициализация Direct Sound
if (FAILED(DirectSoundCreate8(params.device == DEFAULT_DEVICE ? nullptr : ¶ms.device, &pd.pDS, nullptr))) { Shutdown(); return false; }
//Cоздаем скрытое окно..
if (params.hwnd == nullptr)
{
WNDCLASSW wc = {0, DefWindowProc, 0, 0, GetModuleHandle(nullptr), nullptr, nullptr, nullptr, nullptr, L"s3hwndclass"};
RegisterClassW(&wc);
pd.hwnd = CreateWindowW(wc.lpszClassName, L"", WS_POPUP, 0, 0, 0, 0, nullptr, nullptr, wc.hInstance, nullptr);
}
//.. для того, чтобы установить Cooperative Level
if (FAILED(pd.pDS->SetCooperativeLevel(params.hwnd ? (HWND)params.hwnd : pd.hwnd, DSSCL_PRIORITY))) {Shutdown(); return false;}
//Получаем listener-а (для этого приходится создать primary buffer)
DSBUFFERDESC dsbd = {sizeof(DSBUFFERDESC), DSBCAPS_PRIMARYBUFFER|DSBCAPS_CTRL3D|DSBCAPS_CTRLVOLUME};
if (SUCCEEDED(pd.pDS->CreateSoundBuffer(&dsbd, &pd.dsPrimaryBuffer, nullptr)))
{
pd.dsPrimaryBuffer->QueryInterface(MY_IID_IDirectSound3DListener, (LPVOID*)&pd.dsListener);
//Также устанавливаем формат primary buffer-а (почему-то по умолчанию там 8бит 22КГц)
WAVEFORMATEX wf = BuildWaveFormat(params.channels, params.sampleRate, params.bitsPerSample);
pd.dsPrimaryBuffer->SetFormat(&wf);
}
else {Shutdown(); return false;}
//Инициализация внутренних частей s3
if (pd.soundGroups == nullptr)
{
pd.sgCount = sgCount_;
pd.soundGroups = new SoundGroupSlots[pd.sgCount];
for (int i=0; i<pd.sgCount; i++)
pd.soundGroups[i].initialize(slotsIP[i]);
pd.gdecoder = new Decoder;
}
pd.hQuitEvent = CreateEvent(nullptr, TRUE, FALSE, nullptr);
pd.hUpdateThread = CreateThread(nullptr, 0, &UpdateThreadProc, this, 0, nullptr);
SetThreadPriority(pd.hUpdateThread, THREAD_PRIORITY_HIGHEST);
return true;
}
WavSink::WavSink(FILE *fp,
uint64_t duration,
const SampleFormat &format,
const std::vector<uint32_t> *chanmap)
: m_file(fp)
{
WAVEFORMATEXTENSIBLE wfx;
BuildWaveFormat(format, chanmap, &wfx);
uint32_t hdrsize = wfx.Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE
? sizeof wfx : offsetof(WAVEFORMATEX, cbSize);
uint64_t datasize_ = duration * format.bytesPerFrame();
uint64_t riffsize_ = hdrsize + datasize_ + 20;
uint32_t datasize = static_cast<uint32_t>(datasize_); // XXX
uint32_t riffsize = static_cast<uint32_t>(riffsize_); // XXX
write("RIFF", 4);
write(&riffsize, 4);
write("WAVEfmt ", 8);
write(&hdrsize, 4);
write(&wfx, hdrsize);
write("data", 4);
write(&datasize, 4);
}
