diff options
Diffstat (limited to 'src/gui.rs')
| -rw-r--r-- | src/gui.rs | 10 |
1 files changed, 6 insertions, 4 deletions
@@ -10,6 +10,8 @@ use std::io::Write; use std::thread; use std::sync::mpsc::*; +const FPS: u32 = 30; + struct RustyUi { dropdown: gtk::ComboBoxText, pitch_label: gtk::Label, @@ -180,9 +182,9 @@ fn start_processing_audio(mic_receiver: Receiver<Vec<f64>>, cross_thread_state: }; let signal = ::transforms::align_to_rising_edge(&samples); - let frequency_domain = ::transforms::fft(&samples, 44100.0); + let frequency_domain = ::transforms::fft(&samples, ::audio::SAMPLE_RATE); let correlation = ::transforms::correlation(&samples); - let fundamental = ::transforms::find_fundamental_frequency_correlation(&samples, 44100.0); + let fundamental = ::transforms::find_fundamental_frequency_correlation(&samples, ::audio::SAMPLE_RATE); let (pitch, error) = match fundamental { Some(fundamental) => (::transforms::hz_to_pitch(fundamental), ::transforms::hz_to_cents_error(fundamental)), None => ("".to_string(), 0.0) @@ -204,7 +206,7 @@ fn start_processing_audio(mic_receiver: Receiver<Vec<f64>>, cross_thread_state: } fn setup_pitch_label_callbacks(state: Rc<RefCell<ApplicationState>>, cross_thread_state: Arc<RwLock<CrossThreadState>>) { - gtk::timeout_add(16, move || { + gtk::timeout_add(1000/FPS, move || { let ref pitch = cross_thread_state.read().unwrap().pitch; let ref ui = state.borrow().ui; ui.pitch_label.set_label(pitch.as_ref()); @@ -325,7 +327,7 @@ fn setup_correlation_drawing_area_callbacks(state: Rc<RefCell<ApplicationState>> //draw the fundamental context.new_path(); - let fundamental_x = 44100.0 / fundamental * width / len; + let fundamental_x = ::audio::SAMPLE_RATE / fundamental * width / len; context.move_to(fundamental_x, 0.0); context.line_to(fundamental_x, height); context.stroke(); |