58 lines
1.8 KiB
C++
58 lines
1.8 KiB
C++
/*
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* audio_buffer.h
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* Copyright (c) 2025 Christopher Herb
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#pragma once
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#include <vector>
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using namespace std;
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namespace trnr {
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template <typename t_sample>
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struct audio_buffer {
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size_t channels;
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size_t frames;
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vector<t_sample> flat_data;
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vector<t_sample*> channel_ptrs;
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};
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template <typename t_sample>
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void audio_buffer_init(audio_buffer<t_sample>& a, size_t channels, size_t frames)
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{
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a.channels = channels;
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a.frames = frames;
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a.flat_data.resize(channels * frames);
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a.channel_ptrs.resize(channels);
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audio_buffer_update_ptrs(a);
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}
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template <typename t_sample>
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void audio_buffer_update_ptrs(audio_buffer<t_sample>& a)
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{
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for (int ch = 0; ch < a.channels; ++ch) {
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a.channel_ptrs[ch] = a.flat_data.data() + ch * a.frames;
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}
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}
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} // namespace trnr
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