75 lines
1.9 KiB
C++
75 lines
1.9 KiB
C++
#pragma once
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#include <json/json.h>
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#include <sigc++/sigc++.h>
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#include "util/sleeper_thread.hpp"
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namespace cava {
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extern "C" {
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// Need sdl_glsl output feature to be enabled on libcava
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#ifndef SDL_GLSL
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#define SDL_GLSL
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#endif
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#include <cava/common.h>
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#ifdef SDL_GLSL
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#undef SDL_GLSL
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#endif
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}
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} // namespace cava
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namespace waybar::modules::cava {
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using namespace std::literals::chrono_literals;
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class CavaBackend final {
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public:
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static std::shared_ptr<CavaBackend> inst(const Json::Value& config);
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virtual ~CavaBackend();
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// Methods
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int getAsciiRange();
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void doPauseResume();
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void Update();
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// Signal accessor
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using type_signal_update = sigc::signal<void(const std::string&)>;
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type_signal_update signal_update();
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using type_signal_silence = sigc::signal<void()>;
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type_signal_silence signal_silence();
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private:
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CavaBackend(const Json::Value& config);
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util::SleeperThread thread_;
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util::SleeperThread read_thread_;
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// Cava API to read audio source
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::cava::ptr input_source_;
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struct ::cava::error_s error_{}; // cava errors
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struct ::cava::config_params prm_{}; // cava parameters
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struct ::cava::audio_raw audio_raw_{}; // cava handled raw audio data(is based on audio_data)
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struct ::cava::audio_data audio_data_{}; // cava audio data
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struct ::cava::cava_plan* plan_; //{new cava_plan{}};
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std::chrono::seconds fetch_input_delay_{4};
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// Delay to handle audio source
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std::chrono::milliseconds frame_time_milsec_{1s};
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int re_paint_{0};
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bool silence_{false};
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bool silence_prev_{false};
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std::chrono::seconds suspend_silence_delay_{0};
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int sleep_counter_{0};
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std::string output_{};
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// Methods
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void invoke();
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void execute();
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bool isSilence();
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void doUpdate(bool force = false);
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// Signal
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type_signal_update m_signal_update_;
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type_signal_silence m_signal_silence_;
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};
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} // namespace waybar::modules::cava
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