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Diffstat (limited to 'extern/audaspace/include/fx/ReverseReader.h')
-rw-r--r-- | extern/audaspace/include/fx/ReverseReader.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/extern/audaspace/include/fx/ReverseReader.h b/extern/audaspace/include/fx/ReverseReader.h new file mode 100644 index 00000000000..a02608e1378 --- /dev/null +++ b/extern/audaspace/include/fx/ReverseReader.h @@ -0,0 +1,65 @@ +/******************************************************************************* + * 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 |