1 /*******************************************************************************
2  * Copyright 2009-2016 Jörg Müller
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *   http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  ******************************************************************************/
16 
17 #pragma once
18 
19 /**
20  * @file PingPong.h
21  * @ingroup sequence
22  * The PingPong class.
23  */
24 
25 #include "fx/Effect.h"
26 
27 AUD_NAMESPACE_BEGIN
28 
29 /**
30  * This sound plays another sound first normal, then reversed.
31  * \note Readers from the underlying sound must be reversable with seeking.
32  */
33 class AUD_API PingPong : public Effect
34 {
35 private:
36 	// delete copy constructor and operator=
37 	PingPong(const PingPong&) = delete;
38 	PingPong& operator=(const PingPong&) = delete;
39 
40 public:
41 	/**
42 	 * Creates a new ping pong sound.
43 	 * \param sound The input sound.
44 	 */
45 	PingPong(std::shared_ptr<ISound> sound);
46 
47 	virtual std::shared_ptr<IReader> createReader();
48 };
49 
50 AUD_NAMESPACE_END
51