65 lines
1.6 KiB
C++
65 lines
1.6 KiB
C++
/*
|
|
* Copyright 2003-2019 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.
|
|
*/
|
|
|
|
#ifndef MPD_REPLAY_GAIN_INFO_HXX
|
|
#define MPD_REPLAY_GAIN_INFO_HXX
|
|
|
|
#include "util/Compiler.h"
|
|
#include "ReplayGainMode.hxx"
|
|
|
|
struct ReplayGainConfig;
|
|
|
|
struct ReplayGainTuple {
|
|
float gain;
|
|
float peak;
|
|
|
|
void Clear() {
|
|
gain = -200;
|
|
peak = 0.0;
|
|
}
|
|
|
|
constexpr bool IsDefined() const {
|
|
return gain > -100;
|
|
}
|
|
|
|
gcc_pure
|
|
float CalculateScale(const ReplayGainConfig &config) const noexcept;
|
|
};
|
|
|
|
struct ReplayGainInfo {
|
|
ReplayGainTuple track, album;
|
|
|
|
constexpr bool IsDefined() const noexcept {
|
|
return track.IsDefined() || album.IsDefined();
|
|
}
|
|
|
|
const ReplayGainTuple &Get(ReplayGainMode mode) const noexcept {
|
|
return mode == ReplayGainMode::ALBUM
|
|
? (album.IsDefined() ? album : track)
|
|
: (track.IsDefined() ? track : album);
|
|
}
|
|
|
|
void Clear() noexcept {
|
|
track.Clear();
|
|
album.Clear();
|
|
}
|
|
};
|
|
|
|
#endif
|