This document details the API for OpenMAX Application Layer (AL) 1.0. Developed as an open standard by the Khronos Group, OpenMAX AL™ is an application-level multimedia playback and recording API for mobile embedded devices. It provides a device-independent, cross-platform interface for applications to access a device’s audio, video and imaging capabilities.-This document details the API for OpenMAX Application Layer (AL) 1.0. Developed as an open standard by the Khronos Group, OpenMAX AL™　is an application-level multimedia playback and recording API for mobile embedded devices. It provides a device-independent, cross-platform interface for applications to access a device’s audio, video and imaging capabilities.