我想知道是否有人知道如何在 Ubuntu 22.04 上找到这个问题。网络摄像头是 Logitech c270 HD。我在群组视频中的权利是，drwxr-xr-x我在使用 cheese 版本 41 时遇到了不少问题。但大多数问题在版本 44 中都消失了。我可以在网络摄像头中看到自己，甚至可以拍照，但当我尝试录制视频时，屏幕变黑，并显示“播放网络摄像头的视频时出错”
snap run cheese
Gtk-Message: 12:04:26.174: Not loading module "atk-bridge": The functionality is provided by GTK natively. Please try to not load it.
(cheese:11433): Gtk-WARNING **: 12:04:26.240: GTK+ module /snap/cheese/40/gnome-platform/usr/lib/gtk-2.0/modules/libcanberra-gtk-module.so cannot be loaded.
GTK+ 2.x symbols detected. Using GTK+ 2.x and GTK+ 3 in the same process is not supported.
Gtk-Message: 12:04:26.240: Failed to load module "canberra-gtk-module"
(cheese:11433): Gtk-WARNING **: 12:04:26.242: GTK+ module /snap/cheese/40/gnome-platform/usr/lib/gtk-2.0/modules/libcanberra-gtk-module.so cannot be loaded.
GTK+ 2.x symbols detected. Using GTK+ 2.x and GTK+ 3 in the same process is not supported.
Gtk-Message: 12:04:26.242: Failed to load module "canberra-gtk-module"
(cheese:11433): cheese-WARNING **: 12:04:27.268: Can't find vp8enc preset: "Profile Realtime", using alternate preset: "Cheese Realtime". If you see this, make a bug report!
(cheese:11433): GStreamer-WARNING **: 12:04:27.268: gst_value_deserialize_g_value_array: unimplemented
(cheese:11433): GStreamer-WARNING **: 12:04:27.268: gst_value_deserialize_g_value_array: unimplemented
(cheese:11433): GStreamer-WARNING **: 12:04:27.268: gst_value_deserialize_g_value_array: unimplemented
(cheese:11433): GStreamer-WARNING **: 12:04:27.274: gst_value_deserialize_g_value_array: unimplemented
(cheese:11433): GStreamer-WARNING **: 12:04:27.274: gst_value_deserialize_g_value_array: unimplemented
(cheese:11433): GStreamer-WARNING **: 12:04:27.274: gst_value_deserialize_g_value_array: unimplemented
(cheese:11433): cheese-WARNING **: 12:04:34.769: Failed to connect stream: Access denied: ../ext/pulse/pulsesrc.c(1622): gst_pulsesrc_prepare (): /GstCameraBin:camerabin/GstAutoAudioSrc:audiosrc/GstPulseSrc:audiosrc-actual-src-puls
(cheese:11433): cheese-WARNING **: 12:04:34.770: Internal data stream error.: ../libs/gst/base/gstbasesrc.c(3127): gst_base_src_loop (): /GstCameraBin:camerabin/GstAutoAudioSrc:audiosrc/GstPulseSrc:audiosrc-actual-src-puls:
streaming stopped, reason not-negotiated (-4)