[*] refactor

Author: heng30

lib/record-audio/src/lib.rs

@@ -90,6 +90,27 @@ impl RecordedAudio {
             *sample = sample.clamp(-1.0, 1.0);
         }
     }
+
+    pub fn convert_to_mono(&mut self) {
+        if self.channels <= 1 {
+            return;
+        }
+
+        let num_channels = self.channels as usize;
+        let num_frames = self.samples.len() / num_channels;
+        let mut mono_samples = Vec::with_capacity(num_frames);
+
+        for frame_idx in 0..num_frames {
+            let start = frame_idx * num_channels;
+            let end = start + num_channels;
+            let frame_samples = &self.samples[start..end.min(self.samples.len())];
+            let avg = frame_samples.iter().sum::<f32>() / num_channels as f32;
+            mono_samples.push(avg);
+        }
+
+        self.samples = mono_samples;
+        self.channels = 1;
+    }
 }
 
 pub struct AudioRecorder {

wayshot/src/logic/video_editor/common_type.rs

@@ -136,9 +136,9 @@ pub struct VideoEditorExportAudioConfig {
 pub struct VideoEditorRecordAudioConfig {
     pub save_dir: String,
     pub device: String,
-
     #[derivative(Default(value = "1.0"))]
     pub gain: f32,
+    pub mono: bool,
 }
 
 #[derive(Serialize, Deserialize, Debug, Clone, Default)]

wayshot/src/logic/video_editor/record_audio.rs

@@ -251,11 +251,15 @@ fn video_editor_stop_recording_audio(ui: &AppWindow) {
             audio.apply_gain(config.gain);
         }
 
+        if config.mono {
+            audio.convert_to_mono();
+        }
+
         let timestamp = chrono::Local::now().format("%Y%m%d_%H%M%S");
         let filename = format!("recording_{}.wav", timestamp);
         let save_path = PathBuf::from(&save_dir).join(&filename);
 
-        toast::async_toast_info(ui_weak, format!("Saving {}", save_path.display()));
+        toast::async_toast_info(ui_weak.clone(), format!("Saving {}", save_path.display()));
 
         match audio.save_to_file(&save_path) {
             Ok(()) => {
@@ -306,6 +310,7 @@ fn video_editor_record_audio_select_dir(ui: &AppWindow) {
             save_dir: dir_str.clone().into(),
             device: current_config.device.clone(),
             gain: current_config.gain,
+            mono: current_config.mono,
         };
 
         let config: VideoEditorRecordAudioConfig = new_config.clone().into();

wayshot/ui/panel/desktop/video-editor/record-audio-dialog.slint

@@ -16,6 +16,7 @@ import {
     SettingDetailLabel,
     LineInput,
     Select,
+    CheckBtn,
 } from "../../../base/widgets.slint";
 
 export component RecordAudioDialog inherits MovingDialog {
@@ -77,6 +78,16 @@ export component RecordAudioDialog inherits MovingDialog {
                     Logic.video-editor-record-audio-update(cache-config);
                 }
             }
+
+            CheckBtn {
+                text: Logic.tr("Mono");
+                checked: cache-config.mono;
+
+                toggled => {
+                    cache-config.mono = self.checked;
+                    Logic.video-editor-record-audio-update(cache-config);
+                }
+            }
         }
 
         hbox := HorizontalLayout {

wayshot/ui/store.slint

@@ -597,6 +597,7 @@ export struct VideoEditorRecordAudioConfig {
     save-dir: string,
     device: string,
     gain: float,
+    mono: bool,
 }