1 files changed, 121 insertions, 0 deletions
diff --git a/extern/audaspace/include/fx/ADSR.h b/extern/audaspace/include/fx/ADSR.h
new file mode 100644
index 00000000000..c453f2477e1
--- /dev/null
+++ b/extern/audaspace/include/fx/ADSR.h
@@ -0,0 +1,121 @@
+/*******************************************************************************
+ * Copyright 2009-2016 Jörg Müller
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ ******************************************************************************/
+
+#pragma once
+
+/**
+ * @file ADSR.h
+ * @ingroup fx
+ * The ADSR class.
+ */
+
+#include "fx/Effect.h"
+
+AUD_NAMESPACE_BEGIN
+
+/**
+ * The ADSR effect implements the Attack-Delay-Sustain-Release behaviour of a sound.
+ */
+class AUD_API ADSR : public Effect
+{
+private:
+	/**
+	 * Attack time.
+	 */
+	float m_attack;
+
+	/**
+	 * Decay time.
+	 */
+	float m_decay;
+
+	/**
+	 * Sustain level.
+	 */
+	float m_sustain;
+
+	/**
+	 * Release time.
+	 */
+	float m_release;
+
+	// delete copy constructor and operator=
+	ADSR(const ADSR&) = delete;
+	ADSR& operator=(const ADSR&) = delete;
+
+public:
+	/**
+	 * Creates a new ADSR object.
+	 * @param sound The sound to apply this effect to.
+	 * @param attack The attack time in seconds.
+	 * @param decay The decay time in seconds.
+	 * @param sustain The sustain level as linear volume.
+	 * @param release The release time in seconds.
+	 */
+	ADSR(std::shared_ptr<ISound> sound, float attack, float decay, float sustain, float release);
+
+	/**
+	 * Returns the attack time.
+	 * @return The attack time in seconds.
+	 */
+	float getAttack() const;
+
+	/**
+	 * Sets the attack time.
+	 * @param attack The attack time in seconds.
+	 */
+	void setAttack(float attack);
+
+	/**
+	 * Returns the decay time.
+	 * @return The decay time in seconds.
+	 */
+	float getDecay() const;
+
+	/**
+	 * Sets the decay time.
+	 * @param decay The decay time in seconds.
+	 */
+	void setDecay(float decay);
+
+	/**
+	 * Returns the sustain level.
+	 * @return The sustain level in linear volume.
+	 */
+	float getSustain() const;
+
+	/**
+	 * Sets the sustain level.
+	 * @param sustain The sustain level in linear volume.
+	 */
+	void setSustain(float sustain);
+
+	/**
+	 * Returns the release time.
+	 * @return The release time in seconds.
+	 */
+	float getRelease() const;
+
+	/**
+	 * Sets the release time.
+	 * @param release The release time in seconds.
+	 */
+	void setRelease(float release);
+
+	virtual std::shared_ptr<IReader> createReader();
+};
+
+AUD_NAMESPACE_END