V4L2 Insights | Sumble

What is V4L2?

V4L2 (Video4Linux2) is a Linux API for real-time video capture and output. It provides a unified interface for applications to access video devices like webcams, TV tuners, and video capture cards. V4L2 is commonly used in multimedia applications for tasks such as video recording, streaming, and processing.

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What other technologies are related to V4L2?

V4L2 Competitor Technologies

QNX

QNX is a real-time operating system that may have its own API for video capture, which would compete with V4L2 (which is specific to Linux).

mentioned alongside V4L2 in 1% (73) of relevant job posts

RTOS

RTOS are used for embedded systems. Often, they implement their own API's for cameras that do not use V4L2.

mentioned alongside V4L2 in 0% (51) of relevant job posts

V4L2 Complementary Technologies

ALSA

ALSA (Advanced Linux Sound Architecture) is often used in conjunction with V4L2 for handling audio input when capturing video, or for audio output when playing video.

mentioned alongside V4L2 in 16% (104) of relevant job posts

GStreamer

GStreamer is a multimedia framework that utilizes V4L2 for video capture and processing. It provides a higher-level abstraction for working with V4L2 devices.

mentioned alongside V4L2 in 6% (173) of relevant job posts

Linux kernel

V4L2 is a part of the Linux kernel. It is the API that drivers use to expose video capture devices. V4L2 is not relevant outside the Linux kernel.

mentioned alongside V4L2 in 1% (81) of relevant job posts