Apple QuickTime Informacje Techniczne

Mac OS X ServerQuickTime Streaming Server 5.5AdministrationFor Version 10.4 or Later

10 Preface About This Guide What’s in This GuideThis guide includes the following chapters:• Chapter 1, “Overview of QuickTime Streaming,” expl

Preface About This Guide 11 You can also access onscreen help from the Finder or other applications on a server or on an administrator computer. (A

12 Preface About This Guide Getting Documentation UpdatesPeriodically, Apple posts new onscreen help topics, revised guides, and additional solutio

Preface About This Guide 13 For More InformationFor more information, consult these resources:Read Me documents—important updates and special infor

14 Preface About This Guide Internet Engineering Task Force (IETF) website—Request for Comments (RFC) memorandums on the RTP and RTSP standards.www

1 151 Overview of QuickTime StreamingBefore you set up your QuickTime Streaming Server, learn what streaming is all about.What Is Streaming?“Stre

16 Chapter 1 Overview of QuickTime Streaming Live Versus On-Demand DeliveryReal-time streaming media is delivered in two ways: live and on demand.

Chapter 1 Overview of QuickTime Streaming 17 Simple Setup for Live VideoThe illustration below shows a setup for streaming live video and audio. (M

18 Chapter 1 Overview of QuickTime Streaming Ways to Receive Streamed MediaWhen you watch and listen to cable or over-the-air media transmissions o

Chapter 1 Overview of QuickTime Streaming 19 Multicast Versus UnicastQuickTime Streaming Server supports both multicast and unicast network transpo

 Apple Computer, Inc.© 2005 Apple Computer, Inc. All rights reserved. The owner or authorized user of a valid copy of QuickTime Streaming Server

20 Chapter 1 Overview of QuickTime Streaming RelaysQuickTime Streaming Server can also function as a relay sever, allowing you to scale streaming i

Chapter 1 Overview of QuickTime Streaming 21 In this scenario, there is only a single stream going over the open Internet and viewers in the branch

22 Chapter 1 Overview of QuickTime Streaming

2 232 Setting Up Your QuickTime Streaming ServerThis chapter is designed to help you quickly get your QuickTime Streaming Server up and running.T

24 Chapter 2 Setting Up Your QuickTime Streaming Server You need the following equipment to stream live audio or video:• Source equipment for audio

Chapter 2 Setting Up Your QuickTime Streaming Server 25 Testing Your SetupSample QuickTime movies are included with QTSS in the default movie folde

26 Chapter 2 Setting Up Your QuickTime Streaming Server Accessing Media Streamed From Your ServerTo view streaming media, users must have QuickTime

3 273 Managing Your QuickTime Streaming ServerThis chapter provides information about streaming past firewalls, setting up relays, and administer

28 Chapter 3 Managing Your QuickTime Streaming Server Here is a brief description of the five panes in QuickTime Streaming:• Overview: Provides a

Chapter 3 Managing Your QuickTime Streaming Server 29 Using Server Admin to Manage QuickTime StreamingThis section provides instructions for tasks

Contents 3 3 Contents Preface 7 About This Guide7 What’s New in QuickTime Streaming Server (QTSS) for Mac OS X Server Version 10.4 9 The QuickTime Su

30 Chapter 3 Managing Your QuickTime Streaming Server Changing the Streaming Media DirectoryQuickTime Streaming Server has one main media directory

Chapter 3 Managing Your QuickTime Streaming Server 31 5 Ask users to put their hinted QuickTime movies into the folder that was created in their ho

32 Chapter 3 Managing Your QuickTime Streaming Server 9 Click the Add (+) button next to the Destinations list.There are two different types of des

Chapter 3 Managing Your QuickTime Streaming Server 33 Security and AccessA certain level of security is inherent in real-time streaming, since cont

34 Chapter 3 Managing Your QuickTime Streaming Server Serving Streams Past Firewalls Using Port 80If you are setting up a streaming server on the I

Chapter 3 Managing Your QuickTime Streaming Server 35 Changing the Password Required to Send an MP3 Broadcast StreamBroadcasting MP3s to another se

36 Chapter 3 Managing Your QuickTime Streaming Server You can also control playlist access and administrator access to your streaming server. Authe

Chapter 3 Managing Your QuickTime Streaming Server 37 message is text your users see when the login window appears. It’s optional. If your message

38 Chapter 3 Managing Your QuickTime Streaming Server Adding User Accounts and PasswordsYou can add a user account and password if you log in to th

Chapter 3 Managing Your QuickTime Streaming Server 39 Configuring a Multicast RelaySetting up a multicast relay allows you to receive a unicast str

4 Contents 30 Changing the Streaming Media Directory 30 Binding the Streaming Server Admin Computer to an IP Address 30 Hosting Streams From Multiple

40 Chapter 3 Managing Your QuickTime Streaming Server b In the first line beginning with m= (usually m=audio), change the 0 to the base port specif

4 414 Managing Your Media With QTSS PublisherThis chapter provides information about using the QuickTime Streaming Server Publisher application t

42 Chapter 4 Managing Your Media With QTSS Publisher Here is an overview of the main QTSS Publisher window:About Playlists and HintingYou can add m

Chapter 4 Managing Your Media With QTSS Publisher 43 Connecting to Mac OS X ServerWhen you open QTSS Publisher, you must provide a user name and pa

44 Chapter 4 Managing Your Media With QTSS Publisher Improving the Performance of Hinted Movies Exported From QuickTime PlayerWhen you export a hin

Chapter 4 Managing Your Media With QTSS Publisher 45 Creating and Editing Movie AnnotationsYou can create annotations to preserve information about

46 Chapter 4 Managing Your Media With QTSS Publisher As you enter the name, QTSS Publisher creates a URL name for you (you can change the URL name

Chapter 4 Managing Your Media With QTSS Publisher 47 Weighted Random broadcasts the media in random order, using the specified weights to determine

48 Chapter 4 Managing Your Media With QTSS Publisher Delivering Your ContentAfter you prepare and organize your media, QTSS Publisher makes it easy

Chapter 4 Managing Your Media With QTSS Publisher 49 To create a webpage:1 In QTSS Publisher, choose File > New Collection or click the New (+)

Contents 5 66 Creating a Webpage for Easy Access 68 Shooting the Live Presentation 68 Archiving the Live Presentation Glossary 71Index 79

50 Chapter 4 Managing Your Media With QTSS Publisher

5 515 Troubleshooting and Technical InformationThis chapter provides information on what to do if you encounter problems while streaming media.Us

52 Chapter 5 Troubleshooting and Technical Information Administrator Can’t Use QTSS Publisher to Publish MediaMake sure your Mac OS X server has QT

Chapter 5 Troubleshooting and Technical Information 53 Error code 453: The server is too busy for users to view the stream. Users should try again

54 Chapter 5 Troubleshooting and Technical Information QTSS Publisher maintains a concurrent database of all the content it is hosting in property

Chapter 5 Troubleshooting and Technical Information 55 Webpages can be made on a number of different templates. When a webpage is created, a plist

56 Chapter 5 Troubleshooting and Technical Information

6 576 Setup ExampleThis chapter describes the key components needed for a generic webcasting setup and how they are connected together. The setup

58 Chapter 6 Setup Example Such a setup would make it possible for students who couldn’t attend a class in person to view it online. It would also

Chapter 6 Setup Example 59 • Client computers of various types with QuickTime Player or other MPEG-4 compliant software installed can access the Xs

6 Contents

60 Chapter 6 Setup Example • Windows can cause lighting problems. For more control, you should be able to draw the blinds and supplement room light

Chapter 6 Setup Example 61 To set up and manage QTSS, you use the Server Admin application, which is installed with Mac OS X Server (version 10.4 o

62 Chapter 6 Setup Example Does the streaming server have an adequate network card?The network card is a critical component of your streaming serve

Chapter 6 Setup Example 63 In this setup example, we’ll assume that the students connecting to the streaming server via the Internet are not behind

64 Chapter 6 Setup Example The Camera Is the First LinkSince the camera is the first link in the video signal chain, it is very important. Two main

Chapter 6 Setup Example 65 A Tripod Is a MustIt’s important to use a camera tripod when shooting a live presentation, and also to avoid pans, tilts

66 Chapter 6 Setup Example 2 In the Network pane, enter the IP address or host name of the receiving server (the Xserve in this example), a name fo

Chapter 6 Setup Example 67 QTSS Publisher will not work for creating webpages with Live Streams from QuickTime Broadcaster. To create a link to the

68 Chapter 6 Setup Example Shooting the Live PresentationIf all the preparatory work has been done as outlined above, and the equipment and connect

Chapter 6 Setup Example 69 Next, use iMovie to compress and encode the DV footage for streaming:1 In iMovie, choose File > Export Movie.2 Choose

7 Preface About This Guide Learn about the QuickTime suite of products and what’s new in this version of QuickTime Streaming Server. Mac OS X

70 Chapter 6 Setup Example

71GlossaryGlossaryaccess file A text file called qtaccess that contains information about users and groups who are authorized to view media in

72 Glossary broadcast user A user who has permission to broadcast to the streaming server. The broadcast user name and password are set in the Ge

Glossary 73 hinting A process that creates a track for each streamable media track in the file that tells QuickTime Streaming Server how and when

74 Glossary layer A mechanism for prioritizing the tracks in a movie or the overlapping of sprites. When QuickTime plays a movie, it displays the

Glossary 75 multicast In general, the simultaneous transmission of a message to a specific subset of computers on a network. See also broadcast,

76 Glossary QTSS QuickTime Streaming Server. A technology that lets you deliver media over the Internet in real time.QTSS Publisher An Apple app

Glossary 77 RTSP Real Time Streaming Protocol. An application-level protocol for controlling the delivery of data with real-time properties. RTSP

78 Glossary tween track A track that modifies the display of other tracks.UDP User Datagram Protocol. A communications method that uses the Inte

79IndexIndexAaccess control 35–38access files 36–37access history log 32address translation 34administering streaming servers. See Streaming Serve

8 Preface About This Guide • H.264 streaming support: QTSS 5.5 supports streaming of live and on-demand content encoded with the new H.264 vi

80 Index QuickTime Broadcaster and 17source code 14support 14version 4 8–9version 4.1 8data rates 24deleting itemsgroups 38users from user/g

Index 81logsaccess history 32playlists 51resetting 32looping playlists 51M“Maximum Connections” setting 29“Maximum Throughput” setting 29Mbo

82 Index described 9live audio/video setup 17live presentations 59obtaining 23, 65QTSS/DSS and 17requirements for 24setting up 23, 65–66stre

Index 83See also Darwin Streaming Server; QuickTime Streaming Server; serversconsiderations 61–63overview 15requirements for 61–62restricting a

Preface About This Guide 9 • Server-side playlists: You can stream a set of media files as if it were a live broadcast. This can be ideal for