Deutsch dropdown-ico

Bedienungsanleitung Texas Instruments Codec Engine Server

36 Seiten 0.2 mb
Download

Zur Seite of 36

Summary
  • Texas Instruments Codec Engine Server - page 1

    Codec Engine Serv er Integrator User's Guide Literature Number: SPRUED5B September 2 007 ...

  • Texas Instruments Codec Engine Server - page 2

    IMPORT ANT NOTICE T exas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, im prove- ments, and other changes to it s products an d services at any time and to discontinue any product or service without notice. Cus tomers should obtain the latest relevant information before placin ...

  • Texas Instruments Codec Engine Server - page 3

    iii This is a draft version printed from file: pref.fm on 9/25/07 Preface About This Book The inten ded audience fo r this doc ument is the Server Integ rator , wh o creates a Codec Serv er for use by th e Engi ne Integrato r and thus th e Applic ation Auth or . This manua l tell s what steps the Server Inte grator s hould take to configur e DSP/B ...

  • Texas Instruments Codec Engine Server - page 4

    iv Not ational C onvent ions Notational Con ventions This doc ument uses the foll owing con ventions: ❏ Progra m listings , program e xampl es, and in teractive display s are shown in a special typeface . Ex ample s use a bold version of the special typeface for emphasis; in terac tive displ ays use a bold version of the s pecial type face to dis ...

  • Texas Instruments Codec Engine Server - page 5

    v This is a draft version printed from file: ce_serv_integTOC.fm on 9/25/07 Content s 1 Codec Engine Overvi ew . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 -1 This cha pter intr oduce s the Code c Engine . 1.1 What is the Codec Eng ine? . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Texas Instruments Codec Engine Server - page 6

    -vi ...

  • Texas Instruments Codec Engine Server - page 7

    1-1 Chap ter 1 Codec Engine Overview This cha pter introd uces the Codec E ngine . 1.1 What is the Codec Engi ne? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 – 2 1.2 Why Should I Use It? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 – 3 1.3 Where Does th e Codec Engine Fit into My Arc hitect ...

  • Texas Instruments Codec Engine Server - page 8

    What is the Code c Engi ne? 1-2 1.1 What is the Codec Engine ? From th e applic ation dev eloper ’s p erspect ive, the Codec Eng ine is a set of APIs that you use to instantia te and run x DAIS a lgorithms . A VI SA interfac e is prov ided a s well fo r interac ting wi th xDM-co mplian t xDAIS algorit hms. The API is the same for all of the foll ...

  • Texas Instruments Codec Engine Server - page 9

    Why Should I Use It? Codec Engine O verview 1-3 1.2 Why Should I Use It? The Code c Eng ine is des igned to s olve s ome comm on probl ems associ ated with developi ng system -on-a-c hip (SoC) app lica tions. The most si gnifican t problem s incl ude: ❏ Debugging in a h eterogen eous p rocessor environm ent ca n be painful. Th ere are mul tiple d ...

  • Texas Instruments Codec Engine Server - page 10

    Where D oes the Co dec Eng ine Fit in to My Arch itecture? 1-4 1.3 Where Does the Codec Engine Fit into My Architecture? The appli ca tio n code (or the m idd le ware it use s) cal ls the Code c Engin e APIs. W ithin the Co dec En gine, th e VISA APIs us e stub s and s keletons to acces s the core e ngine an d the actual c odecs , which may be loca ...

  • Texas Instruments Codec Engine Server - page 11

    Where Do es the C odec Engi ne Fit into My Arc hitecture ? Codec Engine O verview 1-5 The follow ing figure is a modificatio n of the previo us diagram that shows how this arc hitecture is dis tributed in a GPP+DSP sys tem. In this example , yellow portion s run on the GPP , and grey por tions run on the DSP . This is, the vid eo encoder skele ton ...

  • Texas Instruments Codec Engine Server - page 12

    What Are th e User Ro les? 1-6 1.4 Wha t Are t h e User Rol es? The Co dec E ngi ne ha s seve ral cu stom er us e ca ses, fr om GPP-side applica tion dev elopers to DSP-sid e codec authors . Is some cases, th ese roles m ay be pl ayed by a sing le perso n. In other deve lopment environme nts, a different develope r may be assigne d each ro le. This ...

  • Texas Instruments Codec Engine Server - page 13

    What Are th e User Rol es? Codec Engine O verview 1-7 1.4.2 Server Integrat or T o supp ort Engi nes with remo te co decs, a Codec Server m ust b e created . The Codec Server in tegrat es the vario us compon ents necessar y to house the codec s (e.g. DSP/B IOS, Fram ework Compon ents, link dr ivers, codecs , Codec Engin e, etc. ) and g enerates an ...

  • Texas Instruments Codec Engine Server - page 14

    What Are th e User Ro les? 1-8 1.4.3 Engine Integrat or The Engi ne Integrato r defines various Eng ine config urations . This ca n include the nam es of the E ngines, a s well as the codec s and the ir names within each E ngine, whether each co dec is local o r remo te relati ve to th e applica tion, which gr oups each codec should be i ntegrated ...

  • Texas Instruments Codec Engine Server - page 15

    Wher e Ca n I Ge t M ore Info rma tion? Codec Engine O verview 1-9 ❏ V a rious Codec packages fro m Algorith m Creators ❏ A Codec Ser ver DSP exec utable fr om the S erve r In tegrato r if co dec will run on a DSP ❏ An Engi ne config file (.cfg) from the En gine Integ rator The Ap plicatio n Auth or write ap plic ation co de, gen erates outpu ...

  • Texas Instruments Codec Engine Server - page 16

    1-10 ...

  • Texas Instruments Codec Engine Server - page 17

    2-1 Chap ter 2 Configuring a Codec Server This cha pter des cribes h ow the Server In tegrator should configur e a Code c Ser ver for us e by the En gine Int egr ator . 2.1 Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 – 2 2.2 Creating a Codec Server . . . . . . . . . . . . . . . . . . . ...

  • Texas Instruments Codec Engine Server - page 18

    Overvi ew 2-2 2.1 Ove rvie w As desc ribed i n Secti on 1.4.2 , Server In tegrator , the Server Integ rator provid es a Cod ec Serve r to th e Engine Integra tor . In pr actice, these rol es may be s hared by one pe rson. There ar e two co nfigurat ion steps tha t the Se rver Integ rator pe rforms: ❏ Configur e DSP/BIO S throug h a T con f script ...

  • Texas Instruments Codec Engine Server - page 19

    Overview Conf igur ing a Code c Ser ver 2-3 2.1.1 What is a Codec Server? A C odec Ser ver is a b inary th at integr ates code cs, fram ework componen ts , and sy stem code. When the Codec Serve r is on a DSP , it uses DSP/BIO S as the DSP kernel . In the cont ext of t he DaVinci DM644x platforms ( and other GPP+DSP platform s), a Codec Ser ver is ...

  • Texas Instruments Codec Engine Server - page 20

    Overvi ew 2-4 ■ A messa ge queue is created to allow th e remote no de to recei ve commands from the GPP . ■ The node -speci fic "c reate" fu nction ( for exam ple, AUDENC_ create() ) is called to in itial ize the node state an d algorit hm-specif ic memory and resource s. (Note that th is call is made from within th e dispatcher e xe ...

  • Texas Instruments Codec Engine Server - page 21

    Overview Conf igur ing a Code c Ser ver 2-5 ■ Any alg orith m scratch memor y is the n "deacti vated". ■ The skele ton writeb acks ou tput buffers to en sure that CPU wri tes to the cac he are flus hed to external me mory . ■ The node 's thread then replies with the s t atus bac k to the GPP and then bl ocks waiti ng for th e n ...

  • Texas Instruments Codec Engine Server - page 22

    Overvi ew 2-6 2.1.4 What Algorit hms Can a Codec Server Integra te? Y ou can use any algorit hm that is xDM-co mplian t in a Code c Serv er . In additi on, if you want to use a xDA IS-com pliant algor ithm that is no t xDM-co mplia nt, you c an firs t implem ent yo ur own s tubs and skeleton s for that algor ithm, and then us e that algo rithm in a ...

  • Texas Instruments Codec Engine Server - page 23

    Crea ting a Code c Se rver Conf igur ing a Code c Ser ver 2-7 2.2 Creat ing a Codec S erver T o crea t e a Co de c S er ve r , you p er f orm t he f o ll ow i ng co n f ig ur at i on st e p s: ❏ Configur e DSP/BIO S throug h a T con f script ❏ Config ure "the rest" o f the compo nents throu gh XDC configu ratio n (for exampl e, Framew ...

  • Texas Instruments Codec Engine Server - page 24

    Crea ting a Code c Se rver 2-8 3) Ed it the exa mples/xdcpaths.m ak file wi th a text ed itor to spec ify the CE_INST ALL_DIR, X DC_ROOT , and BIOS _ROOT vari ables. Again, see exa mples/bu ild_instr uctions .html fo r details. 4) Ma ke a duplica te of one of the Codec Server exam ples in the example s/server s directo ry . Each of these directo ri ...

  • Texas Instruments Codec Engine Server - page 25

    Crea ting a Code c Se rver Conf igur ing a Code c Ser ver 2-9 T o see documentation for the att ributes o f the Serve r module, fo llow thes e ste ps: 1) Open CE_INS T ALL _DIR/xdoc/ index. html to s ee the Conf iguratio n Referenc e. Dependin g on yo ur browser , you may ne ed to en able active content to view th e list of nod es on the left. 2) C ...

  • Texas Instruments Codec Engine Server - page 26

    Crea ting a Code c Se rver 2-10 For exampl e, these stateme nts from the vid eo_copy .cfg fi le have been modi fied (bol d text) to refere nce the spee ch enc oder/de coder . /* get various codec modules ; i.e. codec implementati ons */ var SPH DEC_ COPY = xdc .useM odule( 'code cs. sph dec_copy. SPH DEC_COPY' ); var SPH ENC_ COPY = xdc . ...

  • Texas Instruments Codec Engine Server - page 27

    Crea ting a Code c Se rver Conf igur ing a Code c Ser ver 2-1 1 2.2.3.1 Controlling I/O Buff er Caching for xDM 0.9 Codecs The DSP ser ver's supp ort—the "s keleton s"—for r emote exec ution of codecs written for xDM 0.9 always manage s the cache fo r all codec I/O buffers exchan ged with the ARM ap plicati on. This can be a p er ...

  • Texas Instruments Codec Engine Server - page 28

    Crea ting a Code c Se rver 2-12 2.2.3.2 Specifying "Scratch G roup" an d DMA Res ources fo r a Codec When yo u put together s everal co decs into a si ngle DSP ser ver , you may need to make them share m emory a nd DMA resour ces. T wo co decs can share what is called a "scratc h" me mory . This i s a working memory ar ea, typic ...

  • Texas Instruments Codec Engine Server - page 29

    Crea ting a Code c Se rver Conf igur ing a Code c Ser ver 2-13 How you defi ne the grou pId field can affect pe rformance or whether a codec ca n be created at all. For detailed informati on on share d scratch memory , see the Fram ework Compon ents documenta tion. Y ou may save some ti me by read ing th e com mentary for the s erver configu ratio ...

  • Texas Instruments Codec Engine Server - page 30

    Crea ting a Code c Se rver 2-14 Engine.algs[].groupId For ea ch loca l algorith m, if the o ptional groupI d field is uninitializ ed, the algorit hm is confi gured into its own, uniqu e groupId. T his is be cause we don't know w hat prior ity the a lgorithm wil l run at, so we plac e it into a unique gr oup to pr event preem ption b y any oth ...

  • Texas Instruments Codec Engine Server - page 31

    Crea ting a Code c Se rver Conf igur ing a Code c Ser ver 2-15 2.2.4.1 DSP/BIOS Thr eads and Module Use Each “ remote” algor ithm instance that runs on the DSP exe cutes in a DSP/BIO S thread whos e priority is specifie d by a static configu ration parameter ( see ti.sdo .ce.Se rver). The sta ck size of the thread that r uns a “remote ” alg ...

  • Texas Instruments Codec Engine Server - page 32

    Deliveri ng a Cod ec Server 2-16 Change the bold te xt in the f ollowi ng line t o match your ser ver nam e: var serverName = " my_server "; When you have fini shed de velopme nt, you m ay want to c hange "deb ug" in the following line to " rele ase": Pkg.attrs.profile = " release "; Do not e dit package.mak ...

  • Texas Instruments Codec Engine Server - page 33

    Deli veri ng a Co dec Serve r Conf igur ing a Code c Ser ver 2-17 In additi on to includ ing th e server exe cutable in the ser ver pack age, yo u must als o add the gene rated package/i nfo/* files to th e package. Thes e files c ontain infor matio n in tex t form a bout the code cs inclu ded in the server , the ser ver's memory map, an d oth ...

  • Texas Instruments Codec Engine Server - page 34

    Deliveri ng a Cod ec Server 2-18 DSP server s built with Configuro do not require a p ackag e to build the server itself, but y ou m ust cre ate one t o pro duce a s erver de livera ble. I n that package, you mu st inclu de both the s erver ex ecutable a nd the Config uro-gener ated "packag e/info/ *" files. While ea ch Con figuro- using ...

  • Texas Instruments Codec Engine Server - page 35

    Index- 1 This is a draft version printed from file: ce_serv_integIX.fm on 9/25/07 Index A algorithm 2- 6 specify ing 2- 10 Algorithm Creator 1-6, 2 -2 all.tcf f ile 2-1 4 API Referenc e 1-9 Applicat ion Auth or 1-8 arr ay 2-1 1, 2 -13, 2-14 B Back button 2-9 benef its of Code c Engin e 1-3 binary fi le 2-3 BIOS_ ROOT en viro nmen t varia ble 2 -8 b ...

  • Texas Instruments Codec Engine Server - page 36

    Index-2 Index L link.c md file 2-7, 2-16 linker c ommand s 2-16 Linux 1- 2 local codecs 2-5 M main.c file 2-7, 2 -16 makefi le 2-15, 2-1 6 middl ewar e 1-4 MINPRI attribute 2-9 N name o f serv er 2 - 16 O online hel p 1-9 P pac kage creating 2-7 dire ctory path 2- 8 making a cop y 2-8 naming 2-8 pac k a ge di rect ory 2- 16 packag e.b ld file 2-7, ...

Produzent Texas Instruments Kategorie Server

Dokumente, die wir vom Produzenten des Geräts Texas Instruments Codec Engine Server erhalten, können wir in mehrere Gruppen teilen. Unteranderem in:
- technische Zeichnungen Texas Instruments
- Bedienungsanleitungen Codec Engine Server
- Produktkarten Texas Instruments
- Informationsbroschüren
- oder Energieetiketten Texas Instruments Codec Engine Server
Jede von ihnen ist wichtig, jedoch finden wir die wichtigsten Informationen für den Nutzer des Geräts in der Bedienungsanleitung Texas Instruments Codec Engine Server.

Die Dokumentengruppe, die als Bedienungsanleitungen bezeichnet wird, wird ebenfalls in detaillierte Arten geteilt, solche wie: Montageanleitungen Texas Instruments Codec Engine Server, Wartungsanleitungen, Kurzanleitungen oder Benutzeranleitungen Texas Instruments Codec Engine Server. Abhängig vom Bedarf, sollten Sie das Dokument finden, das Sie brauchen. In unserem Service können Sie sich die populärste Bedienungsanleitung des Produkts Texas Instruments Codec Engine Server ansehen.

Ähnliche Bedienungsanleitungen

Die komplette Bedienungsanleitung des Geräts Texas Instruments Codec Engine Server, wie sollte sie aussehen?
Die Bedienungsanleitung, auch bezeichnet als Benutzerhandbuch, oder einfach nur „Anleitung”, ist ein technisches Dokument, das dem Benutzer bei der Nutzung von Texas Instruments Codec Engine Server hilfreich sein soll. Die Bedienungsanleitungen werden in der Regel von technischen Schriftstellern geschrieben, aber in einer Sprache, die für alle Nutzer von Texas Instruments Codec Engine Server verständlich ist.

Eine gänzliche Bedienungsanleitung von Texas Instruments sollte einige Grundelemente enthalten. Ein Teil von ihnen ist nicht so wichtig, wie z.B.: die Titelseite oder Autorenseiten. Die restlichen von ihnen jedoch, sollten Informationen liefern, die für den Nutzer von enormer Wichtigkeit sind.

1. Einführung und Hinweise, wie man sich in einer Bedienungsanleitung von Texas Instruments Codec Engine Server bewegt - Am Anfang jeder Bedienungsanleitung sollten wir Hinweise bezüglich der Nutzungsart eines bestimmten Ratgebers finden. In ihr sollten sich Informationen über die Lokalisierung des Inhaltsverzeichnisses von Texas Instruments Codec Engine Server befinden, FAQ oder über oft auftretende Probleme – also Stellen, die von den Benutzern in jeder Bedienungsanleitung am meisten gesucht werden
2. Inhaltsverzeichnis - Index aller Ratschläge bezüglich Texas Instruments Codec Engine Server, die wir im aktuellen Dokument finden
3. Ratschläge zur Nutzung der Grundfunktionen des Geräts Texas Instruments Codec Engine Server - die uns die ersten Schritte während der Nutzung von Texas Instruments Codec Engine Server erleichtern sollten
4. Troubleshooting - geordneter Tätigkeitslauf, der uns bei der Diagnose und als nächstes bei der Lösung wichtiger Probleme mit Texas Instruments Codec Engine Server hilft
5. FAQ - häufig gestellte Fragen
6. Kontaktdaten Informationen darüber, wo man Kontakt zum Produzenten / Service von Texas Instruments Codec Engine Server im bestimmten Land suchen kann, wenn es nicht gelingt, das Problem selbst zu lösen.

Haben Sie eine Frage bezüglich Texas Instruments Codec Engine Server?

Nutzen Sie das untere Formular

Wenn Sie mit Hilfe der gefundenen Bedienungsanleitung Ihr Problem mit Texas Instruments Codec Engine Server nicht gelöst haben, stellen Sie eine Frage, indem Sie das untere Formular nutzen. Wenn einer der Nutzer ein ähnliches Problem mit Texas Instruments Codec Engine Server hatte, ist es möglich, dass er mit Ihnen die Lösung teilen möchte.

Text vom Bild übertragen

Captcha
Neues Bild

Kommentare (0)