85 lines
2.0 KiB
C++
85 lines
2.0 KiB
C++
/*
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* Copyright 2003-2021 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 "AllowedFormat.hxx"
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#include "pcm/AudioParser.hxx"
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#include "util/IterableSplitString.hxx"
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#include "util/StringBuffer.hxx"
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#include "config.h"
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#include <stdexcept>
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namespace Alsa {
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AllowedFormat::AllowedFormat(StringView s)
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{
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#ifdef ENABLE_DSD
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dop = s.RemoveSuffix("=dop");
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#endif
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char buffer[64];
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if (s.size >= sizeof(buffer))
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throw std::invalid_argument("Failed to parse audio format");
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memcpy(buffer, s.data, s.size);
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buffer[s.size] = 0;
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format = ParseAudioFormat(buffer, true);
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#ifdef ENABLE_DSD
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if (dop && format.format != SampleFormat::DSD)
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throw std::invalid_argument("DoP works only with DSD");
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#endif
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}
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std::forward_list<AllowedFormat>
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AllowedFormat::ParseList(std::string_view s)
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{
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std::forward_list<AllowedFormat> list;
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auto tail = list.before_begin();
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for (const auto i : IterableSplitString(s, ' '))
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if (!i.empty())
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tail = list.emplace_after(tail, i);
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return list;
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}
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std::string
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ToString(const std::forward_list<AllowedFormat> &allowed_formats) noexcept
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{
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std::string result;
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for (const auto &i : allowed_formats) {
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if (!result.empty())
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result.push_back(' ');
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result += ::ToString(i.format);
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#ifdef ENABLE_DSD
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if (i.dop)
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result += "=dop";
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#endif
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}
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return result;
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}
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} // namespace Alsa
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