mpd/src/mixer/MixerType.hxx
Max Kellermann 71f0ed8b74 *: add "noexcept" to many, many function prototypes
This eliminates some overhead, because the compiler doesn't need to
consider these functions throwing.
2017-05-08 14:44:49 +02:00

54 lines
1.4 KiB
C++

/*
* Copyright 2003-2017 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_MIXER_TYPE_HXX
#define MPD_MIXER_TYPE_HXX
#include "Compiler.h"
enum class MixerType {
/** parser error */
UNKNOWN,
/** mixer disabled */
NONE,
/** "null" mixer (virtual fake) */
NULL_,
/** software mixer with pcm_volume() */
SOFTWARE,
/** hardware mixer (output's plugin) */
HARDWARE,
};
/**
* Parses a #MixerType setting from the configuration file.
*
* @param input the configured string value; must not be NULL @return
* a #MixerType value; #MixerType::UNKNOWN means #input could not be
* parsed
*/
gcc_pure
MixerType
mixer_type_parse(const char *input) noexcept;
#endif