AudioDevice alsa_inputs[MAX_ALSA_CARDS]; // Under audio_mutex.
std::vector<ALSAInput::Device> available_alsa_cards;
AudioDevice alsa_inputs[MAX_ALSA_CARDS]; // Under audio_mutex.
std::vector<ALSAInput::Device> available_alsa_cards;
StereoFilter locut[MAX_BUSES]; // Default cutoff 120 Hz, 24 dB/oct.
std::atomic<bool> locut_enabled[MAX_BUSES];
StereoFilter eq[MAX_BUSES][NUM_EQ_BANDS]; // The one for EQBand::MID isn't actually used (see comments in apply_eq()).
StereoFilter locut[MAX_BUSES]; // Default cutoff 120 Hz, 24 dB/oct.
std::atomic<bool> locut_enabled[MAX_BUSES];
StereoFilter eq[MAX_BUSES][NUM_EQ_BANDS]; // The one for EQBand::MID isn't actually used (see comments in apply_eq()).