mirror of
https://github.com/rad4day/Waybar.git
synced 2023-12-21 10:22:59 +01:00
117 lines
3.3 KiB
C++
117 lines
3.3 KiB
C++
#include "modules/jack.hpp"
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namespace waybar::modules {
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JACK::JACK(const std::string &id, const Json::Value &config)
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: ALabel(config, "jack", id, "{load}%", 1) {
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running_ = false;
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client_ = NULL;
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thread_ = [this] {
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dp.emit();
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thread_.sleep_for(interval_);
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};
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}
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std::string JACK::JACKState() {
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std::lock_guard<std::mutex> lock(mutex_);
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if (running_) {
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load_ = jack_cpu_load(client_);
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return state_;
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}
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xruns_ = 0;
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load_ = 0;
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bufsize_ = 0;
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samplerate_ = 0;
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if (client_) {
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jack_client_close(client_);
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client_ = NULL;
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}
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client_ = jack_client_open("waybar", JackNoStartServer, NULL);
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if (!client_) return "disconnected";
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if (config_["realtime"].isBool() && !config_["realtime"].asBool()) {
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pthread_t jack_thread = jack_client_thread_id(client_);
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jack_drop_real_time_scheduling(jack_thread);
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}
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bufsize_ = jack_get_buffer_size(client_);
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samplerate_ = jack_get_sample_rate(client_);
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jack_set_buffer_size_callback(client_, bufSizeCallback, this);
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jack_set_xrun_callback(client_, xrunCallback, this);
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jack_on_shutdown(client_, shutdownCallback, this);
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if (jack_activate(client_)) return "disconnected";
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running_ = true;
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return "connected";
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}
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auto JACK::update() -> void {
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std::string format;
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std::string state = JACKState();
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float latency = 1000 * (float)bufsize_ / (float)samplerate_;
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if (label_.get_style_context()->has_class("xrun")) {
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label_.get_style_context()->remove_class("xrun");
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state = "connected";
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}
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if (label_.get_style_context()->has_class(state_))
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label_.get_style_context()->remove_class(state_);
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label_.get_style_context()->add_class(state);
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state_ = state;
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if (config_["format-" + state].isString()) {
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format = config_["format-" + state].asString();
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} else if (config_["format"].isString()) {
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format = config_["format"].asString();
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} else
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format = "DSP {load}%";
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label_.set_markup(fmt::format(format, fmt::arg("load", std::round(load_)),
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fmt::arg("bufsize", bufsize_), fmt::arg("samplerate", samplerate_),
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fmt::arg("latency", fmt::format("{:.2f}", latency)),
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fmt::arg("xruns", xruns_)));
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if (tooltipEnabled()) {
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std::string tooltip_format = "{bufsize}/{samplerate} {latency}ms";
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if (config_["tooltip-format"].isString()) tooltip_format = config_["tooltip-format"].asString();
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label_.set_tooltip_text(fmt::format(
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tooltip_format, fmt::arg("load", std::round(load_)), fmt::arg("bufsize", bufsize_),
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fmt::arg("samplerate", samplerate_), fmt::arg("latency", fmt::format("{:.2f}", latency)),
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fmt::arg("xruns", xruns_)));
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}
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// Call parent update
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ALabel::update();
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}
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int JACK::bufSize(unsigned int size) {
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bufsize_ = size;
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return size;
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}
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int JACK::xrun() {
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xruns_ += 1;
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state_ = "xrun";
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return 0;
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}
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void JACK::shutdown() {
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std::lock_guard<std::mutex> lock(mutex_);
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running_ = false;
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}
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} // namespace waybar::modules
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int bufSizeCallback(unsigned int size, void *obj) {
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return static_cast<waybar::modules::JACK *>(obj)->bufSize(size);
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}
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int xrunCallback(void *obj) { return static_cast<waybar::modules::JACK *>(obj)->xrun(); }
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void shutdownCallback(void *obj) { return static_cast<waybar::modules::JACK *>(obj)->shutdown(); }
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