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Added sound volume slider to HLE sound plugin, currently DSound only, unless someone wants to add it to OpenAL :p

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3262 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
sl1nk3.s
2009-05-18 19:24:46 +00:00
parent 19face94b1
commit fa86f37fc3
8 changed files with 165 additions and 82 deletions
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15
Source/Core/AudioCommon/Src/DSoundStream.cpp
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@ -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();