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