mirror of https://github.com/polybar/polybar.git
82 lines
2.1 KiB
C++
82 lines
2.1 KiB
C++
#pragma once
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#include <pulse/pulseaudio.h>
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#include <queue>
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#include "common.hpp"
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#include "errors.hpp"
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#include "settings.hpp"
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#include "utils/math.hpp"
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// fwd
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struct pa_context;
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struct pa_threaded_mainloop;
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struct pa_cvolume;
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typedef struct pa_context pa_context;
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typedef struct pa_threaded_mainloop pa_threaded_mainloop;
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POLYBAR_NS
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class logger;
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DEFINE_ERROR(pulseaudio_error);
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class pulseaudio {
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// events to add to our queue
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enum class evtype { NEW = 0, CHANGE, REMOVE, SERVER };
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using queue = std::queue<evtype>;
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public:
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explicit pulseaudio(const logger& logger, string&& sink_name, bool m_max_volume);
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~pulseaudio();
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pulseaudio(const pulseaudio& o) = delete;
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pulseaudio& operator=(const pulseaudio& o) = delete;
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const string& get_name();
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bool wait();
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int process_events();
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int get_volume();
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double get_decibels();
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void set_volume(float percentage);
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void inc_volume(int delta_perc);
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void set_mute(bool mode);
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void toggle_mute();
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bool is_muted();
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private:
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void update_volume(pa_operation* o);
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static void check_mute_callback(pa_context* context, const pa_sink_info* info, int eol, void* userdata);
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static void get_sink_volume_callback(pa_context* context, const pa_sink_info* info, int is_last, void* userdata);
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static void subscribe_callback(pa_context* context, pa_subscription_event_type_t t, uint32_t idx, void* userdata);
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static void simple_callback(pa_context* context, int success, void* userdata);
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static void sink_info_callback(pa_context* context, const pa_sink_info* info, int eol, void* userdata);
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static void context_state_callback(pa_context* context, void* userdata);
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inline void wait_loop(pa_operation* op, pa_threaded_mainloop* loop);
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const logger& m_log;
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// used for temporary callback results
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int success{0};
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pa_cvolume cv{};
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bool muted{false};
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// default sink name
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static constexpr auto DEFAULT_SINK = "@DEFAULT_SINK@";
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pa_context* m_context{nullptr};
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pa_threaded_mainloop* m_mainloop{nullptr};
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queue m_events;
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// specified sink name
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string spec_s_name;
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string s_name;
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uint32_t m_index{0};
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pa_volume_t m_max_volume{PA_VOLUME_UI_MAX};
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};
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POLYBAR_NS_END
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