/usr/include/ableton/link/Beats.hpp is in ableton-link-dev 1.0.0+dfsg-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 | /* Copyright 2016, Ableton AG, Berlin. All rights reserved.
*
* 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, see <http://www.gnu.org/licenses/>.
*
* If you would like to incorporate Link into a proprietary software application,
* please contact <link-devs@ableton.com>.
*/
#pragma once
#include <ableton/discovery/NetworkByteStreamSerializable.hpp>
#include <cmath>
#include <cstdint>
#include <tuple>
namespace ableton
{
namespace link
{
struct Beats : std::tuple<std::int64_t>
{
Beats() = default;
explicit Beats(const double beats)
: std::tuple<std::int64_t>(std::llround(beats * 1e6))
{
}
explicit Beats(const std::int64_t microBeats)
: std::tuple<std::int64_t>(microBeats)
{
}
double floating() const
{
return microBeats() / 1e6;
}
std::int64_t microBeats() const
{
return std::get<0>(*this);
}
Beats operator-() const
{
return Beats{-microBeats()};
}
friend Beats abs(const Beats b)
{
return Beats{std::abs(b.microBeats())};
}
friend Beats operator+(const Beats lhs, const Beats rhs)
{
return Beats{lhs.microBeats() + rhs.microBeats()};
}
friend Beats operator-(const Beats lhs, const Beats rhs)
{
return Beats{lhs.microBeats() - rhs.microBeats()};
}
friend Beats operator%(const Beats lhs, const Beats rhs)
{
return rhs == Beats{0.} ? Beats{0.} : Beats{lhs.microBeats() % rhs.microBeats()};
}
// Model the NetworkByteStreamSerializable concept
friend std::uint32_t sizeInByteStream(const Beats beats)
{
return discovery::sizeInByteStream(beats.microBeats());
}
template <typename It>
friend It toNetworkByteStream(const Beats beats, It out)
{
return discovery::toNetworkByteStream(beats.microBeats(), std::move(out));
}
template <typename It>
static std::pair<Beats, It> fromNetworkByteStream(It begin, It end)
{
auto result = discovery::Deserialize<std::int64_t>::fromNetworkByteStream(
std::move(begin), std::move(end));
return std::make_pair(Beats{result.first}, std::move(result.second));
}
};
} // namespace link
} // namespace ableton
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