2009-02-11 18:02:45 +01:00
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/*
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2017-01-03 20:48:59 +01:00
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* Copyright 2003-2017 The Music Player Daemon Project
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2009-02-11 18:02:45 +01:00
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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2009-03-13 18:43:16 +01:00
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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2009-02-11 18:02:45 +01:00
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*/
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/*
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* Glue functions for controlling the audio outputs over the MPD
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* protocol. These functions perform extra validation on all
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* parameters, because they might be from an untrusted source.
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*
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*/
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2009-11-12 09:12:38 +01:00
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#include "config.h"
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2013-01-04 09:46:41 +01:00
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#include "OutputCommand.hxx"
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2014-01-27 08:20:25 +01:00
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#include "MultipleOutputs.hxx"
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2017-08-07 21:50:13 +02:00
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#include "Filtered.hxx"
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2016-12-14 12:14:57 +01:00
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#include "Client.hxx"
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2015-08-15 15:55:46 +02:00
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#include "player/Control.hxx"
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2014-01-24 16:25:21 +01:00
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#include "mixer/MixerControl.hxx"
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2015-10-26 16:29:07 +01:00
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#include "mixer/Volume.hxx"
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2013-01-09 08:36:52 +01:00
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#include "Idle.hxx"
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2013-01-04 09:46:41 +01:00
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2009-10-08 15:22:39 +02:00
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extern unsigned audio_output_state_version;
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2009-02-11 18:02:45 +01:00
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bool
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2014-01-27 08:20:25 +01:00
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audio_output_enable_index(MultipleOutputs &outputs, unsigned idx)
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2009-02-11 18:02:45 +01:00
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{
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2014-01-27 08:20:25 +01:00
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if (idx >= outputs.Size())
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2009-02-11 18:02:45 +01:00
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return false;
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2017-02-27 22:55:20 +01:00
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auto &ao = outputs.Get(idx);
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if (!ao.LockSetEnabled(true))
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2009-10-23 10:55:52 +02:00
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return true;
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2009-02-11 18:02:45 +01:00
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idle_add(IDLE_OUTPUT);
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2017-02-27 22:55:20 +01:00
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if (ao.GetMixer() != nullptr) {
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2015-10-26 16:29:07 +01:00
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InvalidateHardwareVolume();
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idle_add(IDLE_MIXER);
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}
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2017-02-27 22:55:20 +01:00
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ao.GetClient().ApplyEnabled();
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2009-10-23 10:55:52 +02:00
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2009-10-08 15:22:39 +02:00
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++audio_output_state_version;
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2009-02-11 18:02:45 +01:00
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return true;
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}
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bool
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2014-01-27 08:20:25 +01:00
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audio_output_disable_index(MultipleOutputs &outputs, unsigned idx)
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2009-02-11 18:02:45 +01:00
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{
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2014-01-27 08:20:25 +01:00
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if (idx >= outputs.Size())
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2009-02-11 18:02:45 +01:00
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return false;
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2017-02-27 22:55:20 +01:00
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auto &ao = outputs.Get(idx);
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if (!ao.LockSetEnabled(false))
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2009-10-23 10:55:52 +02:00
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return true;
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2009-02-11 18:02:45 +01:00
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idle_add(IDLE_OUTPUT);
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2017-02-27 22:55:20 +01:00
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auto *mixer = ao.GetMixer();
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2013-10-19 18:19:03 +02:00
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if (mixer != nullptr) {
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2009-03-12 18:40:03 +01:00
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mixer_close(mixer);
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2015-10-26 16:29:07 +01:00
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InvalidateHardwareVolume();
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2009-03-12 18:40:03 +01:00
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idle_add(IDLE_MIXER);
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}
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2017-02-27 22:55:20 +01:00
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ao.GetClient().ApplyEnabled();
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2009-10-23 10:55:52 +02:00
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2009-10-08 15:22:39 +02:00
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++audio_output_state_version;
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2009-02-11 18:02:45 +01:00
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return true;
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}
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2013-08-04 23:20:56 +02:00
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bool
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2014-01-27 08:20:25 +01:00
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audio_output_toggle_index(MultipleOutputs &outputs, unsigned idx)
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2013-08-04 23:20:56 +02:00
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{
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2014-01-27 08:20:25 +01:00
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if (idx >= outputs.Size())
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2013-08-04 23:20:56 +02:00
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return false;
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2017-02-27 22:55:20 +01:00
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auto &ao = outputs.Get(idx);
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const bool enabled = ao.LockToggleEnabled();
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2013-08-04 23:20:56 +02:00
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idle_add(IDLE_OUTPUT);
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if (!enabled) {
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2017-02-27 22:55:20 +01:00
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auto *mixer = ao.GetMixer();
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2013-08-04 23:20:56 +02:00
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if (mixer != nullptr) {
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mixer_close(mixer);
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2015-10-26 16:29:07 +01:00
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InvalidateHardwareVolume();
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2013-08-04 23:20:56 +02:00
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idle_add(IDLE_MIXER);
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}
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}
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2017-02-27 22:55:20 +01:00
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ao.GetClient().ApplyEnabled();
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2013-08-04 23:20:56 +02:00
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++audio_output_state_version;
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return true;
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}
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