Initial community commit

Src/external_dependencies/openmpt-trunk/soundlib/plugins/dmo/Flanger.h

@@ -0,0 +1,72 @@
+/*
+ * Flanger.h
+ * ---------
+ * Purpose: Implementation of the DMO Flanger DSP (for non-Windows platforms)
+ * Notes  : (currently none)
+ * Authors: OpenMPT Devs
+ * The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
+ */
+
+
+#pragma once
+
+#include "openmpt/all/BuildSettings.hpp"
+
+#ifndef NO_PLUGINS
+
+#include "Chorus.h"
+
+OPENMPT_NAMESPACE_BEGIN
+
+namespace DMO
+{
+
+class Flanger final : public Chorus
+{
+protected:
+	enum Parameters
+	{
+		kFlangerWetDryMix = 0,
+		kFlangerWaveShape,
+		kFlangerFrequency,
+		kFlangerDepth,
+		kFlangerPhase,
+		kFlangerFeedback,
+		kFlangerDelay,
+		kFlangerNumParameters
+	};
+
+public:
+	static IMixPlugin* Create(VSTPluginLib &factory, CSoundFile &sndFile, SNDMIXPLUGIN *mixStruct);
+	static IMixPlugin* CreateLegacy(VSTPluginLib& factory, CSoundFile& sndFile, SNDMIXPLUGIN* mixStruct);
+	Flanger(VSTPluginLib &factory, CSoundFile &sndFile, SNDMIXPLUGIN *mixStruct, const bool legacy);
+
+	void Release() override { delete this; }
+	int32 GetUID() const override { return 0xEFCA3D92; }
+
+	PlugParamIndex GetNumParameters() const override { return kFlangerNumParameters; }
+	void SetParameter(PlugParamIndex index, PlugParamValue value) override;
+
+#ifdef MODPLUG_TRACKER
+	CString GetDefaultEffectName() override { return _T("Flanger"); }
+
+	CString GetParamName(PlugParamIndex param) override;
+	CString GetParamLabel(PlugParamIndex) override;
+	CString GetParamDisplay(PlugParamIndex param) override;
+#endif
+
+protected:
+	float WetDryMix() const override { return m_param[kFlangerWetDryMix]; }
+	bool IsTriangle() const override { return m_param[kFlangerWaveShape] < 1; }
+	float Depth() const override { return m_param[kFlangerDepth]; }
+	float Feedback() const override { return -99.0f + m_param[kFlangerFeedback] * 198.0f; }
+	float Delay() const override { return m_param[kFlangerDelay] * 4.0f; }
+	float FrequencyInHertz() const override { return m_param[kFlangerFrequency] * 10.0f; }
+	int Phase() const override { return mpt::saturate_round<uint32>(m_param[kFlangerPhase] * 4.0f); }
+};
+
+} // namespace DMO
+
+OPENMPT_NAMESPACE_END
+
+#endif // !NO_PLUGINS