Texas Instruments Codec Engine Server Manual do Utilizador

Codec Engine Server Integrator User's GuideLiterature Number: SPRUED5BSeptember 2007

Where Does the Codec Engine Fit into My Architecture?1-41.3 Where Does the Codec Engine Fit into My Architecture?The application code (or the middlewa

Where Does the Codec Engine Fit into My Architecture?Codec Engine Overview 1-5The following figure is a modification of the previous diagram that show

What Are the User Roles?1-61.4 What Are the User Roles?The Codec Engine has several customer use cases, from GPP-sideapplication developers to DSP-sid

What Are the User Roles?Codec Engine Overview 1-71.4.2 Server IntegratorTo support Engines with remote codecs, a Codec Server must becreated. The Code

What Are the User Roles?1-81.4.3 Engine IntegratorThe Engine Integrator defines various Engine configurations. This caninclude the names of the Engine

Where Can I Get More Information?Codec Engine Overview 1-9❏ Various Codec packages from Algorithm Creators❏ A Codec Server DSP executable from the Ser

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2-1Chapter 2Configuring a Codec ServerThis chapter describes how the Server Integrator should configure aCodec Server for use by the Engine Integrator

Overview2-22.1 OverviewAs described in Section 1.4.2, Server Integrator, the Server Integratorprovides a Codec Server to the Engine Integrator. In pra

OverviewConfiguring a Codec Server 2-32.1.1 What is a Codec Server? A Codec Server is a binary that integrates codecs, frameworkcomponents, and system

IMPORTANT NOTICETexas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improve-m

Overview2-4 A message queue is created to allow the remote node to receivecommands from the GPP. The node-specific "create" function (for

OverviewConfiguring a Codec Server 2-5 Any algorithm scratch memory is then "deactivated". The skeleton writebacks output buffers to ensur

Overview2-62.1.4 What Algorithms Can a Codec Server Integrate?You can use any algorithm that is xDM-compliant in a Codec Server.In addition, if you wa

Creating a Codec ServerConfiguring a Codec Server 2-72.2 Creating a Codec ServerTo create a Codec Server, you perform the following configuration step

Creating a Codec Server2-83) Edit the examples/xdcpaths.mak file with a text editor to specify theCE_INSTALL_DIR, XDC_ROOT, and BIOS_ROOT variables.Ag

Creating a Codec ServerConfiguring a Codec Server 2-9To see documentation for the attributes of the Server module, followthese steps:1) Open CE_INSTAL

Creating a Codec Server2-10For example, these statements from the video_copy.cfg file havebeen modified (bold text) to reference the speech encoder/de

Creating a Codec ServerConfiguring a Codec Server 2-112.2.3.1 Controlling I/O Buffer Caching for xDM 0.9 CodecsThe DSP server's support—the "

Creating a Codec Server2-122.2.3.2 Specifying "Scratch Group" and DMA Resources for a CodecWhen you put together several codecs into a singl

Creating a Codec ServerConfiguring a Codec Server 2-13How you define the groupId field can affect performance or whether acodec can be created at all.

iiiThis is a draft version printed from file: pref.fm on 9/25/07 PrefaceAbout This BookThe intended audience for this document is the Server Integrato

Creating a Codec Server2-14Engine.algs[].groupIdFor each local algorithm, if the optional groupId field is uninitialized, thealgorithm is configured i

Creating a Codec ServerConfiguring a Codec Server 2-152.2.4.1 DSP/BIOS Threads and Module UseEach “remote” algorithm instance that runs on the DSP exe

Delivering a Codec Server2-16Change the bold text in the following line to match your server name:var serverName = "my_server";When you have

Delivering a Codec ServerConfiguring a Codec Server 2-17In addition to including the server executable in the server package, youmust also add the gen

Delivering a Codec Server2-18DSP servers built with Configuro do not require a package to build theserver itself, but you must create one to produce a

Index-1This is a draft version printed from file: ce_serv_integIX.fm on 9/25/07 IndexAalgorithm 2-6specifying 2-10Algorithm Creator 1-6, 2-2all.tcf fi

Index-2 IndexLlink.cmd file 2-7, 2-16linker commands 2-16Linux 1-2local codecs 2-5Mmain.c file 2-7, 2-16makefile 2-15, 2-16middleware 1-4MINPRI attrib

iv Notational ConventionsNotational ConventionsThis document uses the following conventions:❏ Program listings, program examples, and interactive disp

vThis is a draft version printed from file: ce_serv_integTOC.fm on 9/25/07 Contents1 Codec Engine Overview . . . . . . . . . . . . . . . . . . . . .

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1-1Chapter 1Codec Engine OverviewThis chapter introduces the Codec Engine. 1.1 What is the Codec Engine? . . . . . . . . . . . . . . . . . . . . . .

What is the Codec Engine?1-21.1 What is the Codec Engine?From the application developer’s perspective, the Codec Engine is a setof APIs that you use t

Why Should I Use It?Codec Engine Overview 1-31.2 Why Should I Use It?The Codec Engine is designed to solve some common problemsassociated with develop