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Diffstat (limited to 'Source/Core/AudioCommon/DSoundStream.cpp')
| -rw-r--r-- | Source/Core/AudioCommon/DSoundStream.cpp | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/Source/Core/AudioCommon/DSoundStream.cpp b/Source/Core/AudioCommon/DSoundStream.cpp deleted file mode 100644 index dd56754286..0000000000 --- a/Source/Core/AudioCommon/DSoundStream.cpp +++ /dev/null @@ -1,170 +0,0 @@ -// Copyright 2013 Dolphin Emulator Project -// Licensed under GPLv2 -// Refer to the license.txt file included. - -#include <cmath> -#include <thread> -#include <Windows.h> - -#include "AudioCommon/AudioCommon.h" -#include "AudioCommon/DSoundStream.h" -#include "Common/Thread.h" - -bool DSound::CreateBuffer() -{ - PCMWAVEFORMAT pcmwf; - DSBUFFERDESC dsbdesc; - - memset(&pcmwf, 0, sizeof(PCMWAVEFORMAT)); - memset(&dsbdesc, 0, sizeof(DSBUFFERDESC)); - - pcmwf.wf.wFormatTag = WAVE_FORMAT_PCM; - pcmwf.wf.nChannels = 2; - pcmwf.wf.nSamplesPerSec = m_mixer->GetSampleRate(); - pcmwf.wf.nBlockAlign = 4; - pcmwf.wf.nAvgBytesPerSec = pcmwf.wf.nSamplesPerSec * pcmwf.wf.nBlockAlign; - pcmwf.wBitsPerSample = 16; - - // Fill out DSound buffer description. - dsbdesc.dwSize = sizeof(DSBUFFERDESC); - dsbdesc.dwFlags = DSBCAPS_GETCURRENTPOSITION2 | DSBCAPS_CTRLVOLUME | DSBCAPS_GLOBALFOCUS; - dsbdesc.dwBufferBytes = bufferSize = BUFSIZE; - dsbdesc.lpwfxFormat = (WAVEFORMATEX *)&pcmwf; - dsbdesc.guid3DAlgorithm = DS3DALG_DEFAULT; - - HRESULT res = ds->CreateSoundBuffer(&dsbdesc, &dsBuffer, nullptr); - if (SUCCEEDED(res)) - { - dsBuffer->SetCurrentPosition(0); - dsBuffer->SetVolume(m_volume); - return true; - } - else - { - // Failed. - PanicAlertT("Sound buffer creation failed: %08x", res); - dsBuffer = nullptr; - return false; - } -} - -bool DSound::WriteDataToBuffer(DWORD dwOffset, // Our own write cursor. - char* soundData, // Start of our data. - DWORD dwSoundBytes) // Size of block to copy. -{ - // I want to record the regular audio to, how do I do that? - - void *ptr1, *ptr2; - DWORD numBytes1, numBytes2; - // Obtain memory address of write block. This will be in two parts if the block wraps around. - HRESULT hr = dsBuffer->Lock(dwOffset, dwSoundBytes, &ptr1, &numBytes1, &ptr2, &numBytes2, 0); - - // If the buffer was lost, restore and retry lock. - if (DSERR_BUFFERLOST == hr) - { - dsBuffer->Restore(); - hr = dsBuffer->Lock(dwOffset, dwSoundBytes, &ptr1, &numBytes1, &ptr2, &numBytes2, 0); - } - if (SUCCEEDED(hr)) - { - memcpy(ptr1, soundData, numBytes1); - if (ptr2 != 0) - memcpy(ptr2, soundData + numBytes1, numBytes2); - - // Release the data back to DirectSound. - dsBuffer->Unlock(ptr1, numBytes1, ptr2, numBytes2); - return true; - } - - return false; -} - -// The audio thread. -void DSound::SoundLoop() -{ - Common::SetCurrentThreadName("Audio thread - dsound"); - - currentPos = 0; - lastPos = 0; - dsBuffer->Play(0, 0, DSBPLAY_LOOPING); - - while (!threadData) - { - // No blocking inside the csection - dsBuffer->GetCurrentPosition((DWORD*)¤tPos, 0); - int numBytesToRender = FIX128(ModBufferSize(currentPos - lastPos)); - if (numBytesToRender >= 256) - { - if (numBytesToRender > sizeof(realtimeBuffer)) - PanicAlert("soundThread: too big render call"); - m_mixer->Mix(realtimeBuffer, numBytesToRender / 4); - WriteDataToBuffer(lastPos, (char*)realtimeBuffer, numBytesToRender); - lastPos = ModBufferSize(lastPos + numBytesToRender); - } - soundSyncEvent.Wait(); - } -} - -bool DSound::Start() -{ - if (FAILED(DirectSoundCreate8(0, &ds, 0))) - return false; - if (hWnd) - { - HRESULT hr = ds->SetCooperativeLevel((HWND)hWnd, DSSCL_PRIORITY); - } - if (!CreateBuffer()) - return false; - - DWORD num1; - short* p1; - dsBuffer->Lock(0, bufferSize, (void* *)&p1, &num1, 0, 0, DSBLOCK_ENTIREBUFFER); - memset(p1, 0, num1); - dsBuffer->Unlock(p1, num1, 0, 0); - thread = std::thread(&DSound::SoundLoop, this); - return true; -} - -void DSound::SetVolume(int volume) -{ - // This is in "dBA attenuation" from 0 to -10000, logarithmic - m_volume = (int)floor(log10((float)volume) * 5000.0f) - 10000; - - if (dsBuffer != nullptr) - dsBuffer->SetVolume(m_volume); -} - -void DSound::Update() -{ - soundSyncEvent.Set(); -} - -void DSound::Clear(bool mute) -{ - m_muted = mute; - - if (dsBuffer != nullptr) - { - if (m_muted) - { - dsBuffer->Stop(); - } - else - { - dsBuffer->Play(0, 0, DSBPLAY_LOOPING); - } - } -} - -void DSound::Stop() -{ - threadData = 1; - // kick the thread if it's waiting - soundSyncEvent.Set(); - - thread.join(); - dsBuffer->Stop(); - dsBuffer->Release(); - ds->Release(); -} - |