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/*
* Copyright 2003-2020 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "PcmDsd.hxx"
#include "Dsd2Pcm.hxx"
#include "util/ConstBuffer.hxx"
#include <cassert>
ConstBuffer<float>
PcmDsd::ToFloat(unsigned channels, ConstBuffer<uint8_t> src) noexcept
{
assert(!src.IsNull());
assert(!src.empty());
assert(src.size % channels == 0);
const size_t num_samples = src.size;
const size_t num_frames = src.size / channels;
auto *dest = buffer.GetT<float>(num_samples);
dsd2pcm.Translate(channels, num_frames, src.data, dest);
return { dest, num_samples };
}
ConstBuffer<int32_t>
PcmDsd::ToS24(unsigned channels, ConstBuffer<uint8_t> src) noexcept
{
assert(!src.IsNull());
assert(!src.empty());
assert(src.size % channels == 0);
const size_t num_samples = src.size;
const size_t num_frames = src.size / channels;
auto *dest = buffer.GetT<int32_t>(num_samples);
dsd2pcm.TranslateS24(channels, num_frames, src.data, dest);
return { dest, num_samples };
}
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