Oracle 10g Developing Media Rich Applications

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1 Oracle 10g Developing Media Rich Applications

2 Oracle Database Related Book Titles: Oracle 9iR2 Data Warehousing, Hobbs, et al, ISBN: , 2004 Oracle 10g Data Warehousing, Hobbs, et al, ISBN , 2004 Oracle High Performance Tuning for 9i and 10g, Gavin Powell, ISBN: , 2004 Oracle SQL Jumpstart with Examples, Gavin Powell, ISBN: , 2005 Oracle Performance Tuning for 10gR2 Second Edition, Gavin Powell, ISBN: , 2006 Implementing Database Security and Auditing, Ben Natan, ISBN , 2005 Oracle Real Applications Clusters, Murali Vallath, ISBN: , 2004 Oracle 10g RAC Grid, Services & Clustering, Murali Vallath, ISBN , 2006 Oracle Database Programming Using Java and Web Services, Kuassi Mensah ISBN , 2006 For more information or to order these and other Digital Press titles, please visit our website at At you can: Join the Digital Press Service and have news about our books delivered right to your desktop Read the latest news on titles Sample chapters on featured titles for free Question our expert authors and editors Download free software to accompany select texts

3 Oracle 10g Developing Media Rich Applications Larry Guros Lynne Dunckley Amsterdam Boston Heidelberg London New York Oxford Paris San Diego San Francisco Singapore Sydney Tokyo

Elsevier Digital Press 30 Corporate Drive, Suite 400, Burlington, MA 01803, USA Linacre House, Jordan Hill, Oxford OX2 8DP, UK Copyright 2007, Elsevier Inc. All rights reserved.

4 Elsevier Digital Press 30 Corporate Drive, Suite 400, Burlington, MA 01803, USA Linacre House, Jordan Hill, Oxford OX2 8DP, UK Copyright 2007, Elsevier Inc. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher. Permissions may be sought directly from Elsevier s Science & Technology Rights Department in Oxford, UK: phone: (+44) , fax: (+44) , permissions@elsevier.com.uk. You may also complete your request on-line via the Elsevier homepage ( by selecting Customer Support and then Obtaining Permissions. Recognizing the importance of preserving what has been written, Elsevier prints its books on acid-free paper whenever possible. Library of Congress Cataloging-in-Publication Data Application Submitted. British Library Cataloguing-in-Publication Data A catalogue record for this book is available from the British Library. ISBN-10: ISBN-13: For information on all Elsevier Digital Press publications visit our Web site at

5 Lynne Dunckley To Matt and Chris Larry Guros To Family and Friends

7 Table of Contents Acknowledgements xv 1 Introduction Uses for Digital Media The Challenge of Digital Media The Evolution of Digital Media Storage and Management The Value Proposition for the Full Use of a Database for Digital Media The Value Proposition for Using Media Types Summary 6 2 Multimedia Basics Introduction What Is Different about Multimedia Data? Multimedia Metadata Image Data History of the Pixel and Digital Images Multimedia Data Acquisition Multimedia Data Transformation Resolution Delivery Compression Color Perception CIE_XYZ Color-space RGB Additive Color from Glowing Bodies, Lights, TVs, and Monitors CMYK: Subtractive Color from Reflecting Objects Color Printing 31 vii

8 viii Table of Contents HSB System (Hue, Saturation, and Brightness) RYB (Red, Yellow, and Blue) Comparing the Four Models Real-time Media Seeing Video Audio Video and Audio Streaming What Is Available? GP Standards What Is Metadata? Generating and Extracting Metadata Image Metadata Image Metadata Format Summary 47 3 Introduction to intermedia Storage Introduction Object-relational and Relational Features Using Large Object Data Types Using LOB Locators Using BFILES The Disadvantages of Using BFILES Using the Relational Approach The Disadvantages of Using BLOBS and BFILES Using the Object-relational Approach Using Oracle intermedia Manipulating Image Data Using intermedia New Formats Supported ORDImage Using PL/SQL Stored Procedures ORDAudio ORDDoc ORDVideo Using SQL/MM Still Image Standard (ISO/IEC :2001 SQL/MM) Using intermedia to Create Your Own Object Types The Disadvantages of Using Your Own Object Types Summary 86

9 Table of Contents ix 4 Introduction to Web Delivery of intermedia Multimedia Data HTTP Delivery How Browsers Handle Media Image Arbitrary MIME Types Browser Plug-ins HTTP Caching Servlets intermedia HTTP Classes The mod_plsql Module intermedia JSP Tag Library Oracle Portal Oracle Data Provider for.net (ODP.NET) ODP.NET Media Delivery to Browser ODP.NET Media Delivery from Browser PHP: Hypertext Preprocessor with OCI8 extension PHP Media delivery to browser PHP Media delivery from browser to database Streaming Server Delivery Real/Helix Server Microsoft Streaming Server Oracle Wireless Media Image Adaptation Oracle intermedia OraDAV Driver Install OraDAV Database Infrastructure in ORDSYS Define the OraDAV Endpoint in the Webdav Configuration File Using the OraDAV Endpoint Summary Introduction to intermedia APIs PL/SQL Preparation Place the Images into the Database Processing the Image, Creating a JPEG Thumbnail Obtaining the Thumbnail in a File Exporting the Image Putting It All Together intermedia Java Proxy Classes 157 Contents

10 x Table of Contents Overview of ORDSYS.ORDImage (Oracle Database) and OrdImage (Java) Objects Setting Up the Required Java Environment Imports and CLASSPATH Creating the JDBC Connection Uploading Images from Files into Tables Creating the JDBC Connection, Uploading Images from Files into Tables, and Retrieving Image Properties Creating Thumbnails and Changing Formats Downloading Image Data from Tables into Files Oracle C++ Call Interface Includes and C++ Namespaces Creating the Connection Populating the Image Row from a File Extracting the Thumbnail from the Database into a File C# Using Oracle Data Provider for.net (ODP.NET) Prerequisites for Using Oracle with Visual Studio.NET Preparing the Visual Studio Project to Use ODP.NET Object References Creating the Connection Creating the Database Commands to Insert a Row Populating the Image Row Extracting the Thumbnail from the Database into a File Java Advanced Imaging intermedia APIs JAI Includes Creating the Database Row Get the Thumbnail Image, Put a Logo on the Image, and Put the Image into a File Running the Sample Summary Loading Media PL/SQL Loading from Local Files Loading from an HTTP Source Loading from a User Written Source Unrecognized Formats PL/SQL Loading Methods Performance Considerations SQL*Loader External Tables Transportable Tablespaces 207

11 Table of Contents xi 6.5 HTTP Form Load Thick Client Loading Summary Planning intermedia Applications Introduction Gathering Requirements Functional Requirements Data Requirements Environmental Requirements Context of Use User Requirements Usability Requirements Tools and Techniques Define Architecture Technical Architecture Client-server Architecture Alternative Architectures Data Modeling Define Schema Prototyping Why Prototype? What Is Prototyping? Low-fidelity Prototypes High-fidelity Prototypes Refine Requirements Test Infrastructure References Media in Object Types Media Objects Methods Available for ORDImage Object Type Dealing with Image Metadata Methods Available for ORDAudio Object Type Methods Available for ORDVideo Object Type Methods Available for ORDDoc Object Type SI_StillImage Object Type SI_StillImage Methods Methods for Image Processing Object Tables Summary 310 Contents

12 xii Table of Contents 9 J2EE/ADF Application Development Introduction Application Development Framework Creating the Model Component Creating the Controller and View Components intermedia Java Server Pages Tag Library Retrieving Multimedia Data Using the intermedia JSP Tag Library Uploading Multimedia Data Using the intermedia JSP Tag Library intermedia Java Proxy Classes A Note on the Context Parameter Preparing to Use the Proxy Classes OrdAudio, OrdImage, OrdAudio, and OrdDoc OrdImageSignature Methods intermedia Java Classes for Servlets Media Delivery Media Upload Classes for Servlets Summary Image Metadata Support Introduction Metadata Schemas Extracting Image Metadata Inserting Image Metadata Indexing Image Metadata Oracle Text Indexing DICOM Metadata Summary Query Mode Introduction Querying Media Data Attribute-based Retrieval How Is Metadata Used in Query Processing? Using SQL Content-based Retrieval PL/SQL Application Development Developing PL/SQL Web Applications 409

13 Table of Contents xiii Optimizing PL/SQL Make Loops as Efficient as Possible Server-side SQL Text-based Retrieval intermedia Application Performance Identify Performance Needs and Goals Tuning the Database Creating Tables with Media Data Distributing the I/O Load Load Performance Performance Tools Delivery on the Web Backup Summary Advanced Queries Introduction Content-based Image Retrieval in intermedia Retrieval Process Precision and Recall Using SQL/MM StillImage for CBIR Image Matching For Color Matching Using SI_ColorHistogram Object Type Summary Streaming Audio and Video Introduction Microsoft Media Services Background Integration with Oracle Creating a Mount Point Creating a Publishing Point File Types Supported by the intermedia MMS Data Source Plug-in Real/Helix Server Background Integration with Oracle Creating a Mount Point 470 Contents

14 xiv Table of Contents 14.4 Creating an intermedia Streaming Server Plug-in Procedure Summary 476 Appendix A 477 A.1 Where to get more information 477 Index 481

15 Acknowledgements This book would not have been possible without the contribution of many people who were involved directly or indirectly in the production of the book. Firstly, we would like to thank the Oracle intermedia engineering team in Nashua, New Hampshire USA, especially the Engineering manager, Susan Mavris for her extensive review and comments on the manuscript, especially Mike Turnill, Oracle UK, and at Thames Valley University, especially Dr. Samia Oussena for very thoroughly reviewing large sections of the manuscript, and to Professor Andy Smith for support and encouragement. Finally I am grateful to everyone at Digital-Press, especially Alan Rose our editor, for all their encouragement and work. Larry Guros Lynne Dunckley xv

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