Symptoms
When using the Ubuntu 22.04 Cheese application (camera application), it may see the following symptoms:
- The Cheese application preview screen stops responding or does not have smooth motion.
- An error message appears, "The stream is in the wrong format" when playing recorded video (Figure 1).

Figure 1
Affected Application:
- Cheese application in Ubuntu 22.04
Cause
The issue was introduced by the PipeWire code defect on copy buffers when screen casting by the Cheese application.
Resolution
Camera Application
Use other camera applications, the Cheese application is built into Ubuntu 22.04, but it is a third-party application that is not maintained by the Operating System vendor.
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Affected Products
Alienware, Inspiron, OptiPlex, Vostro, XPS, G Series, G Series, Alienware, Inspiron, Latitude, Vostro, XPS, Fixed Workstations, Mobile Workstations, Dell Chromebox 3010, ChromeBox For Meetings