On Fri, Sep 24, 2021 at 10:53:56AM +0200, Ludovic Courtès wrote: > Hello! > > As of commit c582be4c38596a6a31a39c6799723dcd8b6eb909 (Sept. 23), > ungoogled-chromium fails to grab images from my webcam (for instance in > BigBlueButton instances), printing this message repeatedly: > > [4685:3:0924/102919.814053:ERROR:video_stream_encoder.cc(1762)] Failed to encode frame. Error code: -7 > > I found that an older generation (Aug. 30) works for me: > > guix time-machine --commit=f91ae9425bb385b60396a544afe27933896b8fa3 -- \ > environment --ad-hoc ungoogled-chromium -- chromium > > The regression must have been in between these two commits. > > Thoughts? > > Ludo’. > I'm fighting ungoogled chromium for something unrelated, but I noticed I needed to add thirdparty/libusb to %preserved-third-party-files to get it to build headless for me. Perhaps it tries to reach out directly to the webcam through usb itself? -- Efraim Flashner רנשלפ םירפא GPG key = A28B F40C 3E55 1372 662D 14F7 41AA E7DC CA3D 8351 Confidentiality cannot be guaranteed on emails sent or received unencrypted