1 files changed, 15 insertions, 4 deletions
diff --git a/packages/meshbay-client/src/main.js b/packages/meshbay-client/src/main.js
index f201a21..122a302 100644
--- a/packages/meshbay-client/src/main.js
+++ b/packages/meshbay-client/src/main.js
@@ -1770,9 +1770,17 @@ function registerBridge() {
     return castRelay.start({
       codec: opts.codec,
       initSegment: opts.initSegment ? Buffer.from(opts.initSegment) : null,
+      subtitle: opts.subtitle || null,
     });
   });
 
+  // Carried separately from `cast:start` for the viewer who turns subtitles on
+  // without seeking: the relay keeps serving the same video while the receiver
+  // is told to load again with the new track.
+  ipcMain.handle('cast:subtitle', async (_e, sub) => {
+    return castRelay.setSubtitle(sub || null);
+  });
+
   ipcMain.handle('cast:push', async (_e, data) => {
     castRelay.pushSegment(Buffer.from(data));
     return true;
@@ -1791,6 +1799,7 @@ function registerBridge() {
   ipcMain.handle('cast:status', async () => ({
     active: castRelay.active,
     url: castRelay.url,
+    subtitle: castRelay.subtitle,
     chromecast: castChromecast.getStatus(),
   }));
 
@@ -1800,12 +1809,14 @@ function registerBridge() {
     return castChromecast.discover();
   });
 
-  ipcMain.handle('cast:chromecast:connect', async (_e, { deviceId, mediaUrl }) => {
-    return castChromecast.connect(deviceId, mediaUrl);
+  ipcMain.handle('cast:chromecast:connect', async (_e, { deviceId, mediaUrl, subtitle }) => {
+    return castChromecast.connect(deviceId, mediaUrl,
+      subtitle === undefined ? castRelay.subtitle : subtitle);
   });
 
-  ipcMain.handle('cast:chromecast:reload', async (_e, { mediaUrl }) => {
-    return castChromecast.reload(mediaUrl);
+  ipcMain.handle('cast:chromecast:reload', async (_e, { mediaUrl, subtitle }) => {
+    return castChromecast.reload(mediaUrl,
+      subtitle === undefined ? castRelay.subtitle : subtitle);
   });
 
   ipcMain.handle('cast:chromecast:disconnect', async () => {