feat(desktop): warn when the recording's microphone or camera disconnects

apps/desktop-gpui/locales/de.toml

@@ -1175,6 +1175,10 @@ resuming = "Weiter…"
 saving = "Sichert…"
 starting = "Startet"
 
+[controls.disconnected]
+camera = "Kamera getrennt. Die Aufnahme läuft ohne Kamera-Overlay weiter."
+microphone = "Mikrofon getrennt. Bis zur Wiederverbindung wird Stille aufgenommen."
+
 [controls.marker]
 add = "Marker hinzufügen"
 
@@ -1200,6 +1204,8 @@ mirror_title = "Spiegeln nicht verfügbar"
 [camera.issue]
 access_message = "Klicken Sie hier, um Cap in den Systemeinstellungen den Zugriff auf Ihre Kamera zu erlauben."
 access_title = "Kamerazugriff erforderlich"
+disconnected_message = "Die ausgewählte Kamera sendet kein Video mehr."
+disconnected_title = "Kamera getrennt"
 generic = "Die ausgewählte Kamera konnte nicht gestartet werden. Wählen Sie eine andere Kamera oder verbinden Sie diese erneut."
 invalid_format = "Diese Kamera hat kein nutzbares Aufnahmeformat gemeldet."
 not_found = "Diese Kamera ist nicht mehr verfügbar. Prüfen Sie, ob sie verbunden ist und in den Systemberechtigungen erlaubt ist."

apps/desktop-gpui/locales/en.toml

@@ -1177,6 +1177,10 @@ resuming = { text = "Resuming…", max_px = 73, size = 14 }
 saving = { text = "Saving…", max_px = 73, size = 14 }
 starting = { text = "Starting", max_px = 73, size = 14 }
 
+[controls.disconnected]
+camera = "Camera disconnected. Recording continues without camera overlay."
+microphone = "Microphone disconnected. Silence will be used until it reconnects."
+
 [controls.marker]
 add = "Add marker"
 
@@ -1202,6 +1206,8 @@ mirror_title = "Mirror unavailable"
 [camera.issue]
 access_message = "Click to allow Cap to use your camera in System Settings."
 access_title = "Camera access needed"
+disconnected_message = "The selected camera stopped sending video."
+disconnected_title = "Camera disconnected"
 generic = "The selected camera could not be started. Choose another camera or reconnect this one."
 invalid_format = "This camera did not report a usable capture format."
 not_found = "This camera is no longer available. Check that it is connected and allowed by system permissions."

apps/desktop-gpui/locales/es.toml

@@ -1175,6 +1175,10 @@ resuming = "Continúa…"
 saving = "Guardar…"
 starting = "Iniciando"
 
+[controls.disconnected]
+camera = "Cámara desconectada. La grabación continúa sin la cámara superpuesta."
+microphone = "Micrófono desconectado. Se grabará silencio hasta que se vuelva a conectar."
+
 [controls.marker]
 add = "Añadir marcador"
 
@@ -1200,6 +1204,8 @@ mirror_title = "Espejo no disponible"
 [camera.issue]
 access_message = "Haz clic para permitir que Cap use tu cámara en Ajustes del Sistema."
 access_title = "Se necesita acceso a la cámara"
+disconnected_message = "La cámara seleccionada dejó de enviar video."
+disconnected_title = "Cámara desconectada"
 generic = "No se pudo iniciar la cámara seleccionada. Elige otra cámara o vuelve a conectar esta."
 invalid_format = "Esta cámara no indicó ningún formato de captura utilizable."
 not_found = "Esta cámara ya no está disponible. Comprueba que esté conectada y permitida en los permisos del sistema."

apps/desktop-gpui/locales/fr.toml

@@ -1175,6 +1175,10 @@ resuming = "Reprise…"
 saving = "Arrêt…"
 starting = "Début"
 
+[controls.disconnected]
+camera = "Caméra déconnectée. L'enregistrement continue sans l'incrustation de la caméra."
+microphone = "Micro déconnecté. Du silence sera enregistré jusqu'à sa reconnexion."
+
 [controls.marker]
 add = "Ajouter un repère"
 
@@ -1200,6 +1204,8 @@ mirror_title = "Miroir indisponible"
 [camera.issue]
 access_message = "Cliquez pour autoriser Cap à utiliser votre caméra dans Réglages Système."
 access_title = "Accès à la caméra requis"
+disconnected_message = "La caméra sélectionnée n'envoie plus de vidéo."
+disconnected_title = "Caméra déconnectée"
 generic = "La caméra sélectionnée n'a pas pu démarrer. Choisissez une autre caméra ou reconnectez celle-ci."
 invalid_format = "Cette caméra n'a signalé aucun format de capture utilisable."
 not_found = "Cette caméra n'est plus disponible. Vérifiez qu'elle est connectée et autorisée dans les autorisations du système."

apps/desktop-gpui/locales/hi.toml

@@ -1175,6 +1175,10 @@ resuming = "फिर शुरू…"
 saving = "सहेज रहा…"
 starting = "शुरू हो रहा"
 
+[controls.disconnected]
+camera = "कैमरा डिस्कनेक्ट हो गया। रिकॉर्डिंग कैमरा ओवरले के बिना जारी है।"
+microphone = "माइक्रोफ़ोन डिस्कनेक्ट हो गया। दोबारा कनेक्ट होने तक साइलेंस रिकॉर्ड होगा।"
+
 [controls.marker]
 add = "मार्कर जोड़ें"
 
@@ -1200,6 +1204,8 @@ mirror_title = "मिरर उपलब्ध नहीं"
 [camera.issue]
 access_message = "सिस्टम सेटिंग्स में Cap को अपना कैमरा इस्तेमाल करने देने के लिए क्लिक करें।"
 access_title = "कैमरा एक्सेस ज़रूरी है"
+disconnected_message = "चुने गए कैमरे से वीडियो आना बंद हो गया।"
+disconnected_title = "कैमरा डिस्कनेक्ट हो गया"
 generic = "चुना गया कैमरा शुरू नहीं हो सका। कोई दूसरा कैमरा चुनें या इसे फिर से कनेक्ट करें।"
 invalid_format = "इस कैमरे ने कोई इस्तेमाल लायक कैप्चर फ़ॉर्मैट नहीं बताया।"
 not_found = "यह कैमरा अब उपलब्ध नहीं है। जाँचें कि यह कनेक्ट है और सिस्टम की अनुमतियों में इसकी अनुमति है।"

apps/desktop-gpui/locales/ja.toml

@@ -1175,6 +1175,10 @@ resuming = "再開中…"
 saving = "保存中…"
 starting = "開始中"
 
+[controls.disconnected]
+camera = "カメラが切断されました。カメラのオーバーレイなしで録画を続けます。"
+microphone = "マイクが切断されました。再接続されるまで無音で録音します。"
+
 [controls.marker]
 add = "マーカーを追加"
 
@@ -1200,6 +1204,8 @@ mirror_title = "反転を使用できません"
 [camera.issue]
 access_message = "クリックして、システム設定でCapにカメラの使用を許可してください。"
 access_title = "カメラへのアクセスが必要です"
+disconnected_message = "選択したカメラから映像が届かなくなりました。"
+disconnected_title = "カメラが切断されました"
 generic = "選択したカメラを起動できませんでした。別のカメラを選ぶか、このカメラを接続し直してください。"
 invalid_format = "このカメラから使用可能なキャプチャフォーマットを取得できませんでした。"
 not_found = "このカメラは使用できなくなりました。接続されていて、システムの権限で許可されているか確認してください。"

apps/desktop-gpui/locales/zh-CN.toml

@@ -1175,6 +1175,10 @@ resuming = "恢复中…"
 saving = "保存中…"
 starting = "正在开始"
 
+[controls.disconnected]
+camera = "摄像头已断开。录制将在没有摄像头画面的情况下继续。"
+microphone = "麦克风已断开。重新连接前将录制静音。"
+
 [controls.marker]
 add = "添加标记"
 
@@ -1200,6 +1204,8 @@ mirror_title = "镜像不可用"
 [camera.issue]
 access_message = "点击以在系统设置中允许 Cap 使用你的摄像头。"
 access_title = "需要摄像头权限"
+disconnected_message = "所选摄像头已停止发送视频。"
+disconnected_title = "摄像头已断开"
 generic = "无法启动所选摄像头。请选择其他摄像头，或重新连接此摄像头。"
 invalid_format = "此摄像头未提供可用的捕获格式。"
 not_found = "此摄像头已不可用。请检查它是否已连接，并已在系统权限中允许。"

apps/desktop-gpui/src/camera_window.rs

@@ -35,11 +35,9 @@
 //! Known deviations (also in the README): no 150ms opacity/translate
 //! transitions on the toolbar and resize brackets (no animation pass in this
 //! port), no `backdrop-blur-xs` behind the issue overlay (no per-element
-//! backdrop blur hook in this gpui rev), no "Camera disconnected" overlay on
-//! recording input loss (the Tauri `recordingEvent` InputLost seam has no
-//! counterpart in this app yet), no `cursor-move` on the drag surface (gpui
-//! has no 4-way move cursor; the resize handles do get their diagonal resize
-//! cursors), and chrome state persists to `gpui-state.json` rather than
+//! backdrop blur hook in this gpui rev), no `cursor-move` on the drag surface
+//! (gpui has no 4-way move cursor; the resize handles do get their diagonal
+//! resize cursors), and chrome state persists to `gpui-state.json` rather than
 //! `localStorage`.
 
 use std::sync::{
@@ -1093,8 +1091,12 @@ struct CameraPreviewView {
     camera_error: Option<String>,
     effect_issue: Option<EffectIssue>,
     awaiting_access: bool,
+    /// The recording's camera was unplugged (`InputLost` in the Tauri
+    /// bubble, `camera.tsx:162-172`); cleared when it is back.
+    camera_disconnected: bool,
     _feeds_subscription: Subscription,
     _access_subscription: Subscription,
+    _session_subscription: Option<Subscription>,
 }
 
 impl CameraPreviewView {
@@ -1147,6 +1149,19 @@ impl CameraPreviewView {
                 cx.notify();
             }
         });
+        let session = crate::session::RecordingSession::try_global(cx);
+        let camera_disconnected = session
+            .as_ref()
+            .is_some_and(|session| session.read(cx).disconnected_inputs().camera);
+        let session_subscription = session.map(|session| {
+            cx.observe(&session, |this: &mut Self, session, cx| {
+                let disconnected = session.read(cx).disconnected_inputs().camera;
+                if this.camera_disconnected != disconnected {
+                    this.camera_disconnected = disconnected;
+                    cx.notify();
+                }
+            })
+        });
         let feeds_subscription = cx.observe(&feeds, |this: &mut Self, feeds, cx| {
             let awaiting = awaiting_camera_access(cx);
             if this.awaiting_access != awaiting {
@@ -1194,8 +1209,10 @@ impl CameraPreviewView {
             camera_error,
             effect_issue: None,
             awaiting_access,
+            camera_disconnected,
             _feeds_subscription: feeds_subscription,
             _access_subscription: access_subscription,
+            _session_subscription: session_subscription,
         }
     }
 
@@ -1285,8 +1302,10 @@ impl Render for CameraPreviewView {
 
         let showing_frame = self.latest_frame.is_some() || self.retained.is_some();
         let awaiting_access = self.awaiting_access && !showing_frame && self.camera_error.is_none();
-        let has_issue =
-            self.camera_error.is_some() || self.effect_issue.is_some() || awaiting_access;
+        let has_issue = self.camera_disconnected
+            || self.camera_error.is_some()
+            || self.effect_issue.is_some()
+            || awaiting_access;
 
         let loading = if !showing_frame {
             self.loading_fade_started = None;
@@ -1424,9 +1443,14 @@ impl Render for CameraPreviewView {
             .as_deref()
             .is_some_and(|error| error.contains("access is unavailable"));
         if let Some((title, message)) = self
-            .camera_error
-            .as_deref()
-            .map(camera_issue)
+            .camera_disconnected
+            .then(|| {
+                (
+                    tr::camera::issue::disconnected_title(),
+                    tr::camera::issue::disconnected_message(),
+                )
+            })
+            .or(self.camera_error.as_deref().map(camera_issue))
             .or(self.effect_issue.map(EffectIssue::text))
             .or(awaiting_access.then(|| {
                 (

apps/desktop-gpui/src/controls_window.rs

@@ -169,6 +169,7 @@ impl ControlsWindow {
         session
             .error
             .clone()
+            .or_else(|| disconnected_issue(session.disconnected_inputs()))
             .or_else(|| session.input_switch_error().map(str::to_owned))
             .or_else(|| {
                 (session.paused_for_sleep && session.is_paused())
@@ -518,21 +519,22 @@ impl ControlsWindow {
         let has_microphone = self.has_microphone
             && (session.mode() == Some(RecordingMode::Instant)
                 || Feeds::global(cx).read(cx).microphone.is_some());
+        let disconnected = has_microphone && session.disconnected_inputs().microphone;
         self.level_bar.update(cx, |bar, cx| {
             bar.configure(
-                has_microphone && !muted,
+                has_microphone && !muted && !disconnected,
                 theme.blue_9.into(),
                 theme.gray_10.into(),
                 cx,
             );
         });
 
-        let icon = if !has_microphone || muted {
+        let icon = if !has_microphone || muted || disconnected {
             "icons/mic-off.svg"
         } else {
             "icons/microphone.svg"
         };
-        let icon_color: gpui::Hsla = if muted {
+        let icon_color: gpui::Hsla = if muted || disconnected {
             theme.red_9.into()
         } else if has_microphone {
             theme.gray_12.into()
@@ -560,7 +562,7 @@ impl ControlsWindow {
                     }))
             })
             .child(svg().path(icon).size(px(20.)).text_color(icon_color))
-            .when(has_microphone && !muted, |this| {
+            .when(has_microphone && !muted && !disconnected, |this| {
                 this.child(self.level_bar.clone())
             })
     }
@@ -1213,6 +1215,20 @@ fn recording_issue_text(error: String) -> impl IntoElement + Styled {
         )
 }
 
+/// `issueMessages` for lost inputs (`in-progress-recording.tsx:199-208`).
+fn disconnected_issue(disconnected: crate::session::DisconnectedInputs) -> Option<String> {
+    let lines: Vec<&str> = [
+        disconnected
+            .microphone
+            .then(tr::controls::disconnected::microphone),
+        disconnected.camera.then(tr::controls::disconnected::camera),
+    ]
+    .into_iter()
+    .flatten()
+    .collect();
+    (!lines.is_empty()).then(|| lines.join("\n"))
+}
+
 fn tick_delay(live: bool, elapsed: Duration) -> Duration {
     if live {
         until_next_second(elapsed)

apps/desktop-gpui/src/feeds.rs

@@ -1327,6 +1327,24 @@ impl Feeds {
         cx.notify();
     }
 
+    /// Opens the selected camera again on the same feed, for a camera that was
+    /// unplugged and is back. A feed a recording holds takes the same device
+    /// back without a new lock.
+    pub fn restart_camera(&mut self, cx: &mut Context<Self>) {
+        let Some(selection) = self.camera.clone() else {
+            return;
+        };
+        if self.camera_preview_parked {
+            return;
+        }
+        self.camera_epoch += 1;
+        self.camera_input_epoch
+            .store(self.camera_epoch, Ordering::Release);
+        self.camera_ready = None;
+        self.start_camera_preview(selection, cx);
+        cx.notify();
+    }
+
     /// An Instant recording moved onto `label`, opened on a feed of its own.
     /// Selects it (the main window persists that) and lets the app feed close
     /// the microphone the recording left, so the level meter only hears the

apps/desktop-gpui/src/i18n/surface_tests.rs

@@ -325,6 +325,22 @@ fn main_surfaces_match_the_literals_they_replaced() {
             "Click to allow Cap to use your camera in System Settings.",
         ),
         (tr::camera::issue::unavailable_title(), "Camera unavailable"),
+        (
+            tr::camera::issue::disconnected_title(),
+            "Camera disconnected",
+        ),
+        (
+            tr::camera::issue::disconnected_message(),
+            "The selected camera stopped sending video.",
+        ),
+        (
+            tr::controls::disconnected::microphone(),
+            "Microphone disconnected. Silence will be used until it reconnects.",
+        ),
+        (
+            tr::controls::disconnected::camera(),
+            "Camera disconnected. Recording continues without camera overlay.",
+        ),
         (
             tr::camera::issue::not_found(),
             "This camera is no longer available. Check that it is connected and allowed by system permissions.",

apps/desktop-gpui/src/recording.rs

@@ -868,6 +868,15 @@ impl ActiveRecording {
     /// Marks `at` in a Studio recording and returns the new marker count.
     /// Instant recordings have no editor timeline to put a marker on, so
     /// they take none.
+    /// The feed a microphone switch moved the recording onto, if any.
+    pub(crate) fn switched_microphone_actor(&self) -> Option<ActorRef<MicrophoneFeed>> {
+        self.switched_microphone
+            .lock()
+            .unwrap()
+            .as_ref()
+            .map(|switched| switched._feed.0.clone())
+    }
+
     pub(crate) fn studio_handle(&self) -> Option<studio_recording::ActorHandle> {
         match &self.handle {
             Handle::Studio(handle) => Some(handle.clone()),