mirror of
https://github.com/WinampDesktop/winamp.git
synced 2024-12-18 21:45:51 +01:00
60 lines
1.3 KiB
C++
60 lines
1.3 KiB
C++
|
/*
|
||
|
|
* MixerSettings.cpp
|
||
|
|
* -----------------
|
||
|
|
* Purpose: A struct containing settings for the mixer of soundlib.
|
||
|
|
* Notes : (currently none)
|
||
|
|
* Authors: OpenMPT Devs
|
||
|
|
* The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "stdafx.h"
|
||
|
|
#include "MixerSettings.h"
|
||
|
|
#include "Snd_defs.h"
|
||
|
|
#include "../common/misc_util.h"
|
||
|
|
|
||
|
|
OPENMPT_NAMESPACE_BEGIN
|
||
|
|
|
||
|
|
MixerSettings::MixerSettings()
|
||
|
|
{
|
||
|
|
|
||
|
|
// SNDMIX: These are global flags for playback control
|
||
|
|
m_nStereoSeparation = 128;
|
||
|
|
m_nMaxMixChannels = MAX_CHANNELS;
|
||
|
|
|
||
|
|
DSPMask = 0;
|
||
|
|
MixerFlags = 0;
|
||
|
|
|
||
|
|
// Mixing Configuration
|
||
|
|
gnChannels = 2;
|
||
|
|
gdwMixingFreq = 48000;
|
||
|
|
|
||
|
|
m_nPreAmp = 128;
|
||
|
|
|
||
|
|
VolumeRampUpMicroseconds = 363; // 16 @44100
|
||
|
|
VolumeRampDownMicroseconds = 952; // 42 @44100
|
||
|
|
|
||
|
|
NumInputChannels = 0;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
int32 MixerSettings::GetVolumeRampUpSamples() const
|
||
|
|
{
|
||
|
|
return Util::muldivr(VolumeRampUpMicroseconds, gdwMixingFreq, 1000000);
|
||
|
|
}
|
||
|
|
int32 MixerSettings::GetVolumeRampDownSamples() const
|
||
|
|
{
|
||
|
|
return Util::muldivr(VolumeRampDownMicroseconds, gdwMixingFreq, 1000000);
|
||
|
|
}
|
||
|
|
|
||
|
|
void MixerSettings::SetVolumeRampUpSamples(int32 rampUpSamples)
|
||
|
|
{
|
||
|
|
VolumeRampUpMicroseconds = Util::muldivr(rampUpSamples, 1000000, gdwMixingFreq);
|
||
|
|
}
|
||
|
|
void MixerSettings::SetVolumeRampDownSamples(int32 rampDownSamples)
|
||
|
|
{
|
||
|
|
VolumeRampDownMicroseconds = Util::muldivr(rampDownSamples, 1000000, gdwMixingFreq);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
OPENMPT_NAMESPACE_END
|