diff options
Diffstat (limited to 'Source/Core/AudioCommon/Src/DSoundStream.cpp')
| -rw-r--r-- | Source/Core/AudioCommon/Src/DSoundStream.cpp | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/Source/Core/AudioCommon/Src/DSoundStream.cpp b/Source/Core/AudioCommon/Src/DSoundStream.cpp index 9ed4d592f4..94a26bd81b 100644 --- a/Source/Core/AudioCommon/Src/DSoundStream.cpp +++ b/Source/Core/AudioCommon/Src/DSoundStream.cpp @@ -16,6 +16,7 @@ // http://code.google.com/p/dolphin-emu/ #include <windows.h> +#include <cmath> #include <dxerr.h> #include "DSoundStream.h" @@ -40,7 +41,7 @@ bool DSound::CreateBuffer() // Fill out DSound buffer description. dsbdesc.dwSize = sizeof(DSBUFFERDESC); - dsbdesc.dwFlags = DSBCAPS_GETCURRENTPOSITION2 | DSBCAPS_STICKYFOCUS; + dsbdesc.dwFlags = DSBCAPS_GETCURRENTPOSITION2 | DSBCAPS_STICKYFOCUS | DSBCAPS_CTRLVOLUME; dsbdesc.dwBufferBytes = bufferSize = BUFSIZE; dsbdesc.lpwfxFormat = (WAVEFORMATEX *)&pcmwf; dsbdesc.guid3DAlgorithm = DS3DALG_DEFAULT; @@ -49,6 +50,7 @@ bool DSound::CreateBuffer() if (SUCCEEDED(res)) { dsBuffer->SetCurrentPosition(0); + dsBuffer->SetVolume(m_volume); return true; } else @@ -152,6 +154,17 @@ bool DSound::Start() 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; + + soundCriticalSection.Enter(); + if (ds != NULL) + dsBuffer->SetVolume(m_volume); + soundCriticalSection.Leave(); +} + void DSound::Update() { soundSyncEvent.Set(); |