120 lines
3.8 KiB
C++
120 lines
3.8 KiB
C++
/*
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* SoundFilePlayConfig.cpp
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* -----------------------
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* Purpose: Configuration of sound levels, pan laws, etc... for various mix configurations.
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* Notes : (currently none)
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* Authors: Olivier Lapicque
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* OpenMPT Devs
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* The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
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*/
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#include "stdafx.h"
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#include "Mixer.h"
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#include "SoundFilePlayConfig.h"
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OPENMPT_NAMESPACE_BEGIN
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CSoundFilePlayConfig::CSoundFilePlayConfig()
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{
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setVSTiVolume(1.0f);
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SetMixLevels(mixLevelsCompatible);
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}
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void CSoundFilePlayConfig::SetMixLevels(MixLevels mixLevelType)
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{
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switch (mixLevelType)
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{
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// Olivier's version gives us floats in [-0.5; 0.5] and slightly saturates VSTis.
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case mixLevelsOriginal:
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setVSTiAttenuation(NO_ATTENUATION);
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setIntToFloat(1.0f/static_cast<float>(1<<28));
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setFloatToInt(static_cast<float>(1<<28));
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setGlobalVolumeAppliesToMaster(false);
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setUseGlobalPreAmp(true);
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setForcePanningMode(dontForcePanningMode);
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setDisplayDBValues(false);
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setNormalSamplePreAmp(256.0f);
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setNormalVSTiVol(100.0f);
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setNormalGlobalVol(128.0f);
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setExtraSampleAttenuation(MIXING_ATTENUATION);
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break;
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// Ericus' version gives us floats in [-0.06;0.06] and requires attenuation to
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// avoid massive VSTi saturation.
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case mixLevels1_17RC1:
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setVSTiAttenuation(32.0f);
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setIntToFloat(1.0f/static_cast<float>(0x07FFFFFFF));
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setFloatToInt(static_cast<float>(0x07FFFFFFF));
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setGlobalVolumeAppliesToMaster(false);
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setUseGlobalPreAmp(true);
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setForcePanningMode(dontForcePanningMode);
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setDisplayDBValues(false);
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setNormalSamplePreAmp(256.0f);
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setNormalVSTiVol(100.0f);
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setNormalGlobalVol(128.0f);
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setExtraSampleAttenuation(MIXING_ATTENUATION);
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break;
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// 117RC2 gives us floats in [-1.0; 1.0] and hopefully plays VSTis at
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// the right volume... but we attenuate by 2x to approx. match sample volume.
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case mixLevels1_17RC2:
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setVSTiAttenuation(2.0f);
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setIntToFloat(1.0f/MIXING_SCALEF);
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setFloatToInt(MIXING_SCALEF);
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setGlobalVolumeAppliesToMaster(true);
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setUseGlobalPreAmp(true);
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setForcePanningMode(dontForcePanningMode);
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setDisplayDBValues(false);
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setNormalSamplePreAmp(256.0f);
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setNormalVSTiVol(100.0f);
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setNormalGlobalVol(128.0f);
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setExtraSampleAttenuation(MIXING_ATTENUATION);
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break;
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// 117RC3 ignores the horrible global, system-specific pre-amp,
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// treats panning as balance to avoid saturation on loud sample (and because I think it's better :),
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// and allows display of attenuation in decibels.
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default:
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case mixLevels1_17RC3:
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setVSTiAttenuation(1.0f);
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setIntToFloat(1.0f/MIXING_SCALEF);
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setFloatToInt(MIXING_SCALEF);
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setGlobalVolumeAppliesToMaster(true);
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setUseGlobalPreAmp(false);
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setForcePanningMode(forceSoftPanning);
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setDisplayDBValues(true);
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setNormalSamplePreAmp(128.0f);
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setNormalVSTiVol(128.0f);
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setNormalGlobalVol(256.0f);
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setExtraSampleAttenuation(0);
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break;
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// A mixmode that is intended to be compatible to legacy trackers (IT/FT2/etc).
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// This is basically derived from mixmode 1.17 RC3, with panning mode and volume levels changed.
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// Sample attenuation is the same as in Schism Tracker (more attenuation than with RC3, thus VSTi attenuation is also higher).
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case mixLevelsCompatible:
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case mixLevelsCompatibleFT2:
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setVSTiAttenuation(0.75f);
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setIntToFloat(1.0f/MIXING_SCALEF);
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setFloatToInt(MIXING_SCALEF);
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setGlobalVolumeAppliesToMaster(true);
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setUseGlobalPreAmp(false);
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setForcePanningMode(mixLevelType == mixLevelsCompatible ? forceNoSoftPanning : forceFT2Panning);
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setDisplayDBValues(true);
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setNormalSamplePreAmp(mixLevelType == mixLevelsCompatible ? 256.0f : 192.0f);
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setNormalVSTiVol(mixLevelType == mixLevelsCompatible ? 256.0f : 192.0f);
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setNormalGlobalVol(256.0f);
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setExtraSampleAttenuation(1);
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break;
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}
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return;
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}
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OPENMPT_NAMESPACE_END
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