struct BusLevel {
float current_level_dbfs[2]; // Digital peak of last frame, left and right.
float peak_level_dbfs[2]; // Digital peak with hold, left and right.
+ float historic_peak_dbfs;
float gain_staging_db;
float compressor_attenuation_db; // A positive number; 0.0 for no attenuation.
};
void reset_alsa_mutex_held(DeviceSpec device_spec);
std::map<DeviceSpec, DeviceInfo> get_devices_mutex_held() const;
void update_meters(const std::vector<float> &samples);
- void measure_bus_levels(unsigned bus_index, const std::vector<float> &left, const std::vector<float> &right, float volume);
+ void add_bus_to_master(unsigned bus_index, const std::vector<float> &samples_bus, std::vector<float> *samples_out);
+ void measure_bus_levels(unsigned bus_index, const std::vector<float> &left, const std::vector<float> &right);
void send_audio_level_callback();
unsigned num_cards;
std::atomic<float> compressor_threshold_dbfs[MAX_BUSES];
std::atomic<bool> compressor_enabled[MAX_BUSES];
+ // Note: The values here are not in dB.
struct PeakHistory {
- float current_level = 0.0f; // Peak of the last frame (not in dB).
- float current_peak = 0.0f; // Current peak of the peak meter (not in dB).
+ float current_level = 0.0f; // Peak of the last frame.
+ float historic_peak = 0.0f; // Highest peak since last reset; no falloff.
+ float current_peak = 0.0f; // Current peak of the peak meter.
float last_peak = 0.0f;
float age_seconds = 0.0f; // Time since "last_peak" was set.
};
InputMapping input_mapping; // Under audio_mutex.
std::atomic<float> fader_volume_db[MAX_BUSES] {{ 0.0f }};
+ float last_fader_volume_db[MAX_BUSES] { 0.0f }; // Under audio_mutex.
audio_level_callback_t audio_level_callback = nullptr;
mutable std::mutex audio_measure_mutex;