Initial community commit

1 files changed, 116 insertions, 0 deletions

diff --git a/Src/external_dependencies/openmpt-trunk/soundlib/SoundFilePlayConfig.cpp b/Src/external_dependencies/openmpt-trunk/soundlib/SoundFilePlayConfig.cpp
new file mode 100644
index 00000000..76317542
--- /dev/null
+++ b/Src/external_dependencies/openmpt-trunk/soundlib/SoundFilePlayConfig.cpp
@@ -0,0 +1,116 @@
+/*
+ * SoundFilePlayConfig.cpp
+ * -----------------------
+ * Purpose: Configuration of sound levels, pan laws, etc... for various mix configurations.
+ * Notes  : (currently none)
+ * Authors: Olivier Lapicque
+ *          OpenMPT Devs
+ * The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
+ */
+
+
+#include "stdafx.h"
+#include "Mixer.h"
+#include "SoundFilePlayConfig.h"
+
+OPENMPT_NAMESPACE_BEGIN
+
+CSoundFilePlayConfig::CSoundFilePlayConfig()
+{
+	setVSTiVolume(1.0f);
+	SetMixLevels(MixLevels::Compatible);
+}
+
+void CSoundFilePlayConfig::SetMixLevels(MixLevels mixLevelType)
+{
+	switch (mixLevelType)
+	{
+		// Olivier's version gives us floats in [-0.5; 0.5] and slightly saturates VSTis.
+		case MixLevels::Original:
+			setVSTiAttenuation(1.0f);  // no attenuation
+			setIntToFloat(1.0f/static_cast<float>(1<<28));
+			setFloatToInt(static_cast<float>(1<<28));
+			setGlobalVolumeAppliesToMaster(false);
+			setUseGlobalPreAmp(true);
+			setPanningMode(PanningMode::Undetermined);
+			setDisplayDBValues(false);
+			setNormalSamplePreAmp(256.0f);
+			setNormalVSTiVol(100.0f);
+			setNormalGlobalVol(128.0f);
+			setExtraSampleAttenuation(MIXING_ATTENUATION);
+			break;
+
+		// Ericus' version gives us floats in [-0.06;0.06] and requires attenuation to
+		// avoid massive VSTi saturation.
+		case MixLevels::v1_17RC1:
+			setVSTiAttenuation(32.0f);
+			setIntToFloat(1.0f/static_cast<float>(0x07FFFFFFF));
+			setFloatToInt(static_cast<float>(0x07FFFFFFF));
+			setGlobalVolumeAppliesToMaster(false);
+			setUseGlobalPreAmp(true);
+			setPanningMode(PanningMode::Undetermined);
+			setDisplayDBValues(false);
+			setNormalSamplePreAmp(256.0f);
+			setNormalVSTiVol(100.0f);
+			setNormalGlobalVol(128.0f);
+			setExtraSampleAttenuation(MIXING_ATTENUATION);
+			break;
+
+		// 1.17RC2 gives us floats in [-1.0; 1.0] and hopefully plays VSTis at
+		// the right volume... but we attenuate by 2x to approx. match sample volume.
+	
+		case MixLevels::v1_17RC2:
+			setVSTiAttenuation(2.0f);
+			setIntToFloat(1.0f/MIXING_SCALEF);
+			setFloatToInt(MIXING_SCALEF);
+			setGlobalVolumeAppliesToMaster(true);
+			setUseGlobalPreAmp(true);
+			setPanningMode(PanningMode::Undetermined);
+			setDisplayDBValues(false);
+			setNormalSamplePreAmp(256.0f);
+			setNormalVSTiVol(100.0f);
+			setNormalGlobalVol(128.0f);
+			setExtraSampleAttenuation(MIXING_ATTENUATION);
+			break;
+
+		// 1.17RC3 ignores the horrible global, system-specific pre-amp,
+		// treats panning as balance to avoid saturation on loud sample (and because I think it's better :),
+		// and allows display of attenuation in decibels.
+		default:
+		case MixLevels::v1_17RC3:
+			setVSTiAttenuation(1.0f);
+			setIntToFloat(1.0f/MIXING_SCALEF);
+			setFloatToInt(MIXING_SCALEF);
+			setGlobalVolumeAppliesToMaster(true);
+			setUseGlobalPreAmp(false);
+			setPanningMode(PanningMode::SoftPanning);
+			setDisplayDBValues(true);
+			setNormalSamplePreAmp(128.0f);
+			setNormalVSTiVol(128.0f);
+			setNormalGlobalVol(256.0f);
+			setExtraSampleAttenuation(0);
+			break;
+
+		// A mixmode that is intended to be compatible to legacy trackers (IT/FT2/etc).
+		// This is basically derived from mixmode 1.17 RC3, with panning mode and volume levels changed.
+		// Sample attenuation is the same as in Schism Tracker (more attenuation than with RC3, thus VSTi attenuation is also higher).
+		case MixLevels::Compatible:
+		case MixLevels::CompatibleFT2:
+			setVSTiAttenuation(0.75f);
+			setIntToFloat(1.0f/MIXING_SCALEF);
+			setFloatToInt(MIXING_SCALEF);
+			setGlobalVolumeAppliesToMaster(true);
+			setUseGlobalPreAmp(false);
+			setPanningMode(mixLevelType == MixLevels::Compatible ? PanningMode::NoSoftPanning : PanningMode::FT2Panning);
+			setDisplayDBValues(true);
+			setNormalSamplePreAmp(mixLevelType == MixLevels::Compatible ? 256.0f : 192.0f);
+			setNormalVSTiVol(mixLevelType == MixLevels::Compatible ? 256.0f : 192.0f);
+			setNormalGlobalVol(256.0f);
+			setExtraSampleAttenuation(1);
+			break;
+
+	}
+}
+
+
+OPENMPT_NAMESPACE_END