From be8ab74ea75032e06f849d879c12650d95787d73 Mon Sep 17 00:00:00 2001
From: Scott Worley <scottworley@scottworley.com>
Date: Mon, 6 Oct 2025 10:40:23 -0700
Subject: [PATCH] Tee webcam video to two virtual cameras

---
 srec.py | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/srec.py b/srec.py
index 7421c74..962c147 100644
--- a/srec.py
+++ b/srec.py
@@ -111,9 +111,14 @@ def on_start_recording(_: Gtk.Button, stack: Gtk.Stack) -> None:
     stack.set_visible_child_name("recording")
 
     if is_sharing_enabled(stack):
+        out_opts = [
+            '-f', 'v4l2', '-framerate', '25', '-codec:v', 'rawvideo',
+            '-pix_fmt', 'yuv420p',
+        ]
         sharing = Stream.start(
-            ['ffmpeg', '-i', '/dev/video0', '-f', 'v4l2', '-framerate', '25',
-             '-codec:v', 'rawvideo', '-pix_fmt', 'yuv420p', '/dev/video9'])
+            ['ffmpeg', '-i', '/dev/video0']
+            + out_opts + ['/dev/video8']
+            + out_opts + ['/dev/video9'])
         time.sleep(3)  # Bad!!  We should not be sleeping in this thread!
 
     recording = Stream.start(
-- 
2.50.1