Texas Instruments Codec Engine Server User Manual

Page 14

Advertising
background image

What Are the User Roles?

1-8

1.4.3

Engine Integrator

The Engine Integrator defines various Engine configurations. This can
include the names of the Engines, as well as the codecs and their names
within each Engine, whether each codec is local or remote relative to the
application, which groups each codec should be integrated into (for
environments which support resource sharing), the name of the Codec
Server image if a particular Engine contains remote codecs, etc. This is
done via an XDC configuration script (*.cfg).

This script, when run, generates code and build instructions appropriate
for the configuration.

The Engine Integrator receives the name of a Codec Server and a list of
the codecs it contains from the Server Integrator. Using these, this
person creates an Engine configuration file (.cfg) that may reference a
Codec Server. (On local-only platforms, the Codec Server is not used.)

The Engine Integrator hands the Engine configuration file to the
Application Author.

The Engine Integrator uses the following resources:

❏ Chapter 5 of Codec Engine Application Developer’s Guide

(SPRUE67)

❏ Configuration Reference.

CE_INSTALL_DIR/packages/xdoc/index.html

❏ Example Build and Run Instructions.

CE_INSTALL_DIR/examples/build_instructions.html

❏ Example configuration scripts (*.cfg)

1.4.4

Application Author

The application uses the Codec Engine APIs (Engine_, VISA, and other
utility APIs) to create/delete preconfigured Engine instances,
create/delete and interact with codecs, acquire buffers appropriate for the
codecs, etc.

Since Codec Engine doesn't perform any I/O, the application is
responsible for handling I/O. This includes such task as file access (for
example, open/read/write/seek/close) and driver interaction (for
example, open/close/ioctl and buffer management).

The Application Author is responsible for building the application code,
and for linking "the appropriate content" into the executable image.

The Application Author receives the following:

Advertising