Part IV. Media Controller API

Table of Contents

16. Media Controller

Introduction

Media device model

Types and flags used to represent the media graph elements

L. Function Reference

media open() — Open a media device

media close() — Close a media device

media ioctl() — Control a media device

ioctl MEDIA_IOC_DEVICE_INFO — Query device information

ioctl MEDIA_IOC_G_TOPOLOGY — Enumerate the graph topology and graph element properties

ioctl MEDIA_IOC_ENUM_ENTITIES — Enumerate entities and their properties

ioctl MEDIA_IOC_ENUM_LINKS — Enumerate all pads and links for a given entity

ioctl MEDIA_IOC_SETUP_LINK — Modify the properties of a link