Changeset View
Changeset View
Standalone View
Standalone View
extern/audaspace/include/fx/ReverseReader.h
- This file was added.
| /******************************************************************************* | |||||
| * 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 ReverseReader.h | |||||
| * @ingroup fx | |||||
| * The ReverseReader class. | |||||
| */ | |||||
| #include "fx/EffectReader.h" | |||||
| AUD_NAMESPACE_BEGIN | |||||
| /** | |||||
| * This class reads another reader from back to front. | |||||
| * \note The underlying reader must be seekable. | |||||
| */ | |||||
| class AUD_API ReverseReader : public EffectReader | |||||
| { | |||||
| private: | |||||
| /** | |||||
| * The sample count. | |||||
| */ | |||||
| const int m_length; | |||||
| /** | |||||
| * The current position. | |||||
| */ | |||||
| int m_position; | |||||
| // delete copy constructor and operator= | |||||
| ReverseReader(const ReverseReader&) = delete; | |||||
| ReverseReader& operator=(const ReverseReader&) = delete; | |||||
| public: | |||||
| /** | |||||
| * Creates a new reverse reader. | |||||
| * \param reader The reader to read from. | |||||
| * \exception Exception Thrown if the reader specified has an | |||||
| * undeterminable/infinite length or is not seekable. | |||||
| */ | |||||
| ReverseReader(std::shared_ptr<IReader> reader); | |||||
| virtual void seek(int position); | |||||
| virtual int getLength() const; | |||||
| virtual int getPosition() const; | |||||
| virtual void read(int& length, bool& eos, sample_t* buffer); | |||||
| }; | |||||
| AUD_NAMESPACE_END | |||||