76 lines
2.3 KiB
C++
76 lines
2.3 KiB
C++
/** @file
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* @author Edouard DUPIN
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* @copyright 2014, Edouard DUPIN, all right reserved
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* @license APACHE v2.0 (see license file)
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*/
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#pragma once
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#include <audio/blockEngine/core/Buffer.hpp>
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namespace audio {
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namespace blockEngine {
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enum audioFormat {
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audioFormatInt8,
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audioFormatInt16,
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audioFormatInt24,
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audioFormatInt32,
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audioFormatIntFloat,
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audioFormatIntDouble,
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audioFormatInt16OverInt32
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};
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enum audioChannel {
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audioChannelFrontLeft, //!< channel Front Left
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audioChannelFrontCenter, //!< channel Front Center
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audioChannelFrontRight, //!< channel Front Right
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audioChannelRearLeft, //!< channel rear Left
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audioChannelRearCenter, //!< channel rear Center
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audioChannelRearRight, //!< channel rear Right
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audioChannelSurroundLeft, //!< channel surround Left
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audioChannelSurroundRight, //!< channel surround Right
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audioChannelSubWoofer, //!< channel Sub-woofer
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audioChannelLFE //!< channel Low frequency
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};
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class BufferAudio : public audio::blockEngine::Buffer {
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public:
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BufferAudio(audio::blockEngine::Block& _parent,
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int32_t _frequency=48000,
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const etk::Vector<enum audioChannel>& _map={audioChannelFrontLeft,audioChannelFrontRight},
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enum audioFormat _format=audioFormatInt16);
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BufferAudio(audio::blockEngine::Block& _parent,
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const etk::String& _description);
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virtual ~BufferAudio();
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protected:
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int32_t m_frequency;
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etk::Vector<enum audioChannel> m_channelMap;
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enum audioFormat m_format;
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protected:
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etk::Vector<int8_t> m_data; //!< pointer on the data.
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int8_t m_sampleSize; //!< Size of one sample
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int8_t m_chunkSize; //!< Size of one chunk Size
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public:
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/**
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* @brief Get the buffer casted in float*
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* @return Pointer on the buffer with correct cast.
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*/
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template<typename T> T* getData() {
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return static_cast<T*>(&m_data[0]);
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}
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/**
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* @breif Clean all sample in the buffer
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*/
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void clear();
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/**
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* @brief Resize the buffer at a new size.
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* @param[in] _nbChunks Number of chunk requested.
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*/
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void resize(size_t _nbChunks);
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/**
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* @brief Get number of chunk in the buffer.
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* @return Number of chunk in the buffer.
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*/
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size_t size();
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};
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}
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}
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