MPD 0.20.6

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MixerControl.hxx
Go to the documentation of this file.
1 /*
2 * Copyright 2003-2017 The Music Player Daemon Project
3 * http://www.musicpd.org
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 */
19
25 #ifndef MPD_MIXER_CONTROL_HXX
26 #define MPD_MIXER_CONTROL_HXX
27
28 class Mixer;
29 class EventLoop;
30 struct AudioOutput;
31 struct MixerPlugin;
32 class MixerListener;
33 struct ConfigBlock;
34
38 Mixer *
39 mixer_new(EventLoop &event_loop, const MixerPlugin &plugin, AudioOutput &ao,
40 MixerListener &listener,
41 const ConfigBlock &block);
42
43 void
44 mixer_free(Mixer *mixer);
45
49 void
50 mixer_open(Mixer *mixer);
51
52 void
53 mixer_close(Mixer *mixer);
54
59 void
60 mixer_auto_close(Mixer *mixer);
61
65 int
66 mixer_get_volume(Mixer *mixer);
67
71 void
72 mixer_set_volume(Mixer *mixer, unsigned volume);
73
74 #endif
mixer_set_volume
void mixer_set_volume(Mixer *mixer, unsigned volume)
Throws std::runtime_error on error.
Mixer
Definition: MixerInternal.hxx:30
AudioOutput
Definition: Internal.hxx:45
mixer_new
Mixer * mixer_new(EventLoop &event_loop, const MixerPlugin &plugin, AudioOutput &ao, MixerListener &listener, const ConfigBlock &block)
Throws std::runtime_error on error.
EventLoop
An event loop that polls for events on file/socket descriptors.
Definition: Loop.hxx:51
mixer_close
void mixer_close(Mixer *mixer)
MixerPlugin
Definition: MixerPlugin.hxx:36
mixer_auto_close
void mixer_auto_close(Mixer *mixer)
Close the mixer unless the plugin's "global" flag is set.
ConfigBlock
Definition: Block.hxx:57
mixer_open
void mixer_open(Mixer *mixer)
Throws std::runtime_error on error.
MixerListener
An interface that listens on events from mixer plugins.
Definition: Listener.hxx:29
mixer_get_volume
int mixer_get_volume(Mixer *mixer)
Throws std::runtime_error on error.
mixer_free
void mixer_free(Mixer *mixer)