V4L2 (Video for Linux 2) interview Questions
Below are some of the interview questions related to V4l2.
- What is V4L2?
- Why V4L2 Was introduced?
- how to create a video node using v4l2?
- What are the core functionalities supported by video nodes?
- How you can negotiate the data format using v4l2?
- How you can negotiate Input/Output Method ?
- What are the sequence of IOCTLs you need to initiate before starting camera sensor capturing?
- How memory is allocated and mapped using V4L2?
- How v4l2 Sub devices are created ?
- Which IOCTL is used to query the capabilities of devices?