/* Copyright 2017, 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 .
*
* If you would like to incorporate Link into a proprietary software application,
* please contact .
*/
#pragma once
#include
#include
#include
#include
namespace ableton
{
namespace link
{
// A tuple of (isPlaying, time) that represents the playing state
// with an according timestamp in microseconds. It also serves as a
// payload entry.
struct StartStopState
{
static const std::int32_t key = 'stst';
static_assert(key == 0x73747374, "Unexpected byte order");
using StartStopStateTuple = std::tuple;
StartStopState() = default;
StartStopState(
const bool aIsPlaying, const Beats aBeats, const std::chrono::microseconds aTimestamp)
: isPlaying(aIsPlaying)
, beats(aBeats)
, timestamp(aTimestamp)
{
}
friend bool operator==(const StartStopState& lhs, const StartStopState& rhs)
{
return std::tie(lhs.isPlaying, lhs.beats, lhs.timestamp)
== std::tie(rhs.isPlaying, rhs.beats, rhs.timestamp);
}
friend bool operator!=(const StartStopState& lhs, const StartStopState& rhs)
{
return !(lhs == rhs);
}
// Model the NetworkByteStreamSerializable concept
friend std::uint32_t sizeInByteStream(const StartStopState& state)
{
return discovery::sizeInByteStream(state.asTuple());
}
template
friend It toNetworkByteStream(const StartStopState& state, It out)
{
return discovery::toNetworkByteStream(state.asTuple(), std::move(out));
}
template
static std::pair fromNetworkByteStream(It begin, It end)
{
using namespace std;
using namespace discovery;
auto result = Deserialize::fromNetworkByteStream(
std::move(begin), std::move(end));
auto state =
StartStopState{get<0>(result.first), get<1>(result.first), get<2>(result.first)};
return make_pair(std::move(state), std::move(result.second));
}
bool isPlaying{false};
Beats beats{0.};
std::chrono::microseconds timestamp{0};
private:
StartStopStateTuple asTuple() const
{
return std::make_tuple(isPlaying, beats, timestamp);
}
};
struct ClientStartStopState
{
ClientStartStopState() = default;
ClientStartStopState(const bool aIsPlaying,
const std::chrono::microseconds aTime,
const std::chrono::microseconds aTimestamp)
: isPlaying(aIsPlaying)
, time(aTime)
, timestamp(aTimestamp)
{
}
friend bool operator==(const ClientStartStopState& lhs, const ClientStartStopState& rhs)
{
return std::tie(lhs.isPlaying, lhs.time, lhs.timestamp)
== std::tie(rhs.isPlaying, rhs.time, rhs.timestamp);
}
friend bool operator!=(const ClientStartStopState& lhs, const ClientStartStopState& rhs)
{
return !(lhs == rhs);
}
bool isPlaying{false};
std::chrono::microseconds time{0};
std::chrono::microseconds timestamp{0};
};
struct ApiStartStopState
{
ApiStartStopState() = default;
ApiStartStopState(const bool aIsPlaying, const std::chrono::microseconds aTime)
: isPlaying(aIsPlaying)
, time(aTime)
{
}
friend bool operator==(const ApiStartStopState& lhs, const ApiStartStopState& rhs)
{
return std::tie(lhs.isPlaying, lhs.time) == std::tie(rhs.isPlaying, rhs.time);
}
friend bool operator!=(const ApiStartStopState& lhs, const ApiStartStopState& rhs)
{
return !(lhs == rhs);
}
bool isPlaying{false};
std::chrono::microseconds time{0};
};
} // namespace link
} // namespace ableton