.. SPDX-License-Identifier: GPL-2.0 ============ Introduction ============ The media subsystem consists on Linux support for several different types of devices: - Audio and video grabbers; - PC and Laptop Cameras; - Complex cameras found on Embedded hardware; - Analog and digital TV; - HDMI Customer Electronics Control (CEC); - Multi-touch input devices; - Remote Controllers; - Media encoders and decoders. Due to the diversity of devices, the subsystem provides several different APIs: - Remote Controller API; - HDMI CEC API; - Video4Linux API; - Media controller API; - Video4Linux Request API (experimental); - Digital TV API (also known as DVB API).