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extern/audaspace/include/util/BufferReader.h
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| /******************************************************************************* | |||||
| * 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 BufferReader.h | |||||
| * @ingroup util | |||||
| * The BufferReader class. | |||||
| */ | |||||
| #include "IReader.h" | |||||
| #include <memory> | |||||
| AUD_NAMESPACE_BEGIN | |||||
| class Buffer; | |||||
| /** | |||||
| * This class represents a simple reader from a buffer that exists in memory. | |||||
| * \warning Notice that the buffer is not multi-threading ready, so changing the | |||||
| * buffer while the reader is reading is potentially dangerous. | |||||
| */ | |||||
| class AUD_API BufferReader : public IReader | |||||
| { | |||||
| private: | |||||
| /** | |||||
| * The current position in the buffer. | |||||
| */ | |||||
| int m_position; | |||||
| /** | |||||
| * The buffer that is read. | |||||
| */ | |||||
| std::shared_ptr<Buffer> m_buffer; | |||||
| /** | |||||
| * The specification of the sample data in the buffer. | |||||
| */ | |||||
| Specs m_specs; | |||||
| // delete copy constructor and operator= | |||||
| BufferReader(const BufferReader&) = delete; | |||||
| BufferReader& operator=(const BufferReader&) = delete; | |||||
| public: | |||||
| /** | |||||
| * Creates a new buffer reader. | |||||
| * \param buffer The buffer to read from. | |||||
| * \param specs The specification of the sample data in the buffer. | |||||
| */ | |||||
| BufferReader(std::shared_ptr<Buffer> buffer, Specs specs); | |||||
| virtual bool isSeekable() const; | |||||
| virtual void seek(int position); | |||||
| virtual int getLength() const; | |||||
| virtual int getPosition() const; | |||||
| virtual Specs getSpecs() const; | |||||
| virtual void read(int& length, bool& eos, sample_t* buffer); | |||||
| }; | |||||
| AUD_NAMESPACE_END | |||||