54 lines
1.6 KiB
C++
54 lines
1.6 KiB
C++
/*
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* Copyright 2003-2022 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "PcmDsd.hxx"
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#include "Dsd2Pcm.hxx"
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#include <cassert>
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std::span<const float>
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PcmDsd::ToFloat(unsigned channels, std::span<const uint8_t> src) noexcept
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{
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assert(!src.empty());
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assert(src.size() % channels == 0);
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const size_t num_samples = src.size();
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const size_t num_frames = src.size() / channels;
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auto *dest = buffer.GetT<float>(num_samples);
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dsd2pcm.Translate(channels, num_frames, src.data(), dest);
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return { dest, num_samples };
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}
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std::span<const int32_t>
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PcmDsd::ToS24(unsigned channels, std::span<const uint8_t> src) noexcept
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{
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assert(!src.empty());
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assert(src.size() % channels == 0);
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const size_t num_samples = src.size();
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const size_t num_frames = src.size() / channels;
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auto *dest = buffer.GetT<int32_t>(num_samples);
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dsd2pcm.TranslateS24(channels, num_frames, src.data(), dest);
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return { dest, num_samples };
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}
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