72 lines
1.7 KiB
C++
72 lines
1.7 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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#include <audio/blockEngine/core/BufferAudio.hpp>
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#include <audio/blockEngine/debug.hpp>
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audio::blockEngine::BufferAudio::BufferAudio(audio::blockEngine::Block& _parent, const etk::String& _description) :
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audio::blockEngine::Buffer(_parent),
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m_frequency(48000),
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m_channelMap({audioChannelFrontLeft,audioChannelFrontRight}),
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m_format(audioFormatInt16),
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m_data(),
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m_sampleSize(2),
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m_chunkSize(4) {
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resize(32);
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}
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audio::blockEngine::BufferAudio::BufferAudio(audio::blockEngine::Block& _parent,
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int32_t _frequency,
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const etk::Vector<enum audioChannel>& _map,
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enum audioFormat _format) :
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audio::blockEngine::Buffer(_parent),
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m_frequency(_frequency),
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m_channelMap(_map),
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m_format(_format),
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m_data(),
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m_sampleSize(1),
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m_chunkSize(1) {
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switch(_format) {
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case audioFormatInt8:
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m_sampleSize = 1;
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break;
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case audioFormatInt16:
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m_sampleSize = 2;
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break;
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case audioFormatInt24:
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case audioFormatInt32:
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case audioFormatIntFloat:
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case audioFormatInt16OverInt32:
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m_sampleSize = 4;
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break;
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case audioFormatIntDouble:
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m_sampleSize = 8;
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break;
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}
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m_chunkSize = m_sampleSize*m_channelMap.size();
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resize(32);
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}
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audio::blockEngine::BufferAudio::~BufferAudio() {
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}
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void audio::blockEngine::BufferAudio::clear() {
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for (auto &it : m_data) {
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it = 0;
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}
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}
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void audio::blockEngine::BufferAudio::resize(size_t _nbChunks) {
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m_data.resize(m_chunkSize*_nbChunks, 0);
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}
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size_t audio::blockEngine::BufferAudio::size() {
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return m_data.size() / m_chunkSize;
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}
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