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AudioServer: Persist audio settings with a config file
AudioServer loads its settings, currently volume and mute state, from a user config file "Audio.ini". Additionally, the current settings are stored every ten seconds, if necessary. This allows for persistent audio settings in between boots.
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commit
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3 changed files with 58 additions and 4 deletions
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@ -1,5 +1,6 @@
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/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2021, kleines Filmröllchen <malu.bertsch@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/WeakPtr.h>
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#include <LibAudio/Buffer.h>
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#include <LibCore/File.h>
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#include <LibCore/Timer.h>
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#include <LibThreading/Mutex.h>
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#include <LibThreading/Thread.h>
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@ -93,7 +95,7 @@ private:
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class Mixer : public Core::Object {
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C_OBJECT(Mixer)
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public:
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Mixer();
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Mixer(NonnullRefPtr<Core::ConfigFile> config);
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virtual ~Mixer() override;
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NonnullRefPtr<BufferQueue> create_queue(ClientConnection&);
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@ -105,6 +107,8 @@ public:
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void set_muted(bool);
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private:
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void request_setting_sync();
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Vector<NonnullRefPtr<BufferQueue>> m_pending_mixing;
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Atomic<bool> m_added_queue { false };
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pthread_mutex_t m_pending_mutex;
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@ -117,8 +121,15 @@ private:
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bool m_muted { false };
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int m_main_volume { 100 };
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NonnullRefPtr<Core::ConfigFile> m_config;
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RefPtr<Core::Timer> m_config_write_timer;
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static u8 m_zero_filled_buffer[4096];
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void mix();
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};
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// Interval in ms when the server tries to save its configuration to disk.
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constexpr unsigned AUDIO_CONFIG_WRITE_INTERVAL = 2000;
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}
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