Khronos OpenMAX AL Registry

The OpenMAX AL registry contains specifications of the core API; specifications of Khronos- and vendor-approved OpenMAX AL extensions; header files corresponding to the specifications; and other related documentation.

OpenMAX AL Core API Specification and Headers

The current version of OpenMAX AL is 1.1

OpenMAX Content Pipes API Specification

The current version of OpenMAX Content Pipes is 1.0

Older Specifications

Older versions of OpenMAX AL provided for reference.

Extension Specifications
  1. OpenMAX AL Digital TV (
  2. OpenMAX AL EGLStream DataLocator (OpenMAXAL_EGL_Ext.h)
Providing Feedback on the Registry

Khronos welcomes comments and bug reports. To provide feedback on the OpenMAX AL registry itself (such as reporting missing content, bad links, etc.), file an issue in the OpenMAX-AL-Registry Github project.

For the OpenMAX AL API, extensions, and headers, file a bug on the Khronos Bugzilla . Make sure to fill in the "Product" field in the bug entry form as "OpenMAX AL", and pick appropriate values for the Component and other fields.