Apple QuickTime Streaming Server Darwin Streaming Server manual Glossary

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H

hinting Hinting creates a track for each streamable media track in the file that tells QuickTime Streaming Server how and when to deliver each frame of media. The hinting process performs in advance the required calculations, allowing QTSS to serve up a larger number of streams. Hinting also allows new codecs to be used without the need to upgrade the server.

HTML (Hypertext Markup Language) The code inserted in a file to be displayed on a web browser page. The markup tells the web browser how to display a web page’s words and images for the user.

HTTP (Hypertext Transfer Protocol) An application protocol that defines the set of

rules for linking and exchanging files on a network.

I

IEEE The Institute of Electrical and Electronics Engineers, Inc., an organization dedicated to promoting standards in computing and electrical engineering.

Instant On An advance in Apple’s patent-pending Skip Protection technology that dramatically reduces buffer, or wait, time for an instantaneous viewing experience with streaming video on a broadband connection.

IP (Internet Protocol) A connectionless protocol used to transmit packets of data from one machine to another. TCP and UDP use IP for their host-to-host data communications.

IP address A unique numeric address that identifies a computer on the Internet.

IP subnet A portion of an IP network, which may be a physically independent network segment, which shares a network address with other portions of the network and is identified by a subnet number.

ISP (Internet service provider) A business that sells Internet access and often provides web hosting for ecommerce applications as well as mail services.

J, K, L

JavaScript A scripting language used to add interactivity to web pages.

key frame A sample in a sequence of temporally compressed samples that does not rely on other samples in the sequence for any of its information. Key frames are placed into temporally compressed sequences at a frequency that is determined by the key frame rate.

key frame rate The frequency with which key frames are placed into temporally compressed data sequences.

LAN (local area network) A network maintained within a facility, as opposed to a WAN (wide area network) that links geographically separated facilities.

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Contents Administrator’s Guide Apple Computer, Inc. All rights reserved Apple Computer, IncContents Relays MediaWorking With Connected Users Preparing AudioStreaming Server Computer Crashes or Is Restarted Installing SSLSetup Example Adding or Deleting GroupsGlossary Index Setting It Up Creating a Web Page for Easy AccessAbout Streaming Servers What Is Streaming?Live Versus On-Demand Delivery Simple Setup for Live VideoHow Does Streaming Work? Multicast Versus Unicast Relaying Streamed Media Total Streaming SolutionMore About Qtss and DSS QuickTime SuiteFor More Information Qtss and DSS 4.1 added these featuresPreface Getting Started Setup OverviewClient Computer Requirements Hardware and SoftwareLive Broadcasting Requirements Server RequirementsFollow these steps to set up your streaming server Setting Up Your Streaming ServerStreaming server is now active and ready to stream media Testing Your SetupPage User Interface Working With Streaming Server AdminWorking With Connected Users Starting or Stopping Streaming ServiceViewing Streaming Status Controlling QuickTime Broadcaster Remotely Changing Server SettingsWorking With General Settings Working With Log Settings Working With Port SettingsViewing Error Logs and Access History Default file names are as followsPreparing Prerecorded Media MediaCopy all media files to your streaming server About Instant-On StreamingStreaming File Formats Like .avi, .text, and .wav Preparing AudioStreaming Media Files With Multiple Sources Rtsp//qtss.hostname/myfile.mov Exporting a QuickTime Movie as a Hinted MovieSession Description Protocol SDP Files Improving the Performance of Hinted MoviesViewing Streamed Media From a Client Computer Open QuickTime Player Choose Open URL from the File menuStreaming Live Media Setting Up a Web Page With Streamed Media Creating Links to MP3 Playlists Pls files using the user’s MP3 player automaticallyM3U file contains a single line of text in this format PLS file uses this formatPlaylists Using Playlists to Broadcast Prerecorded MediaWorking With Playlist Settings Creating a Playlist To stop broadcasting a playlist, click the Stop buttonStarting and Stopping Playlists Deleting a Playlist Changing a PlaylistTo acquire To see the Relay Settings pane, click Relay SettingsWorking With Relay Settings RelaysSetting Up Relays Click Save Changes to add the source to your relay settingsTurning a Relay On or Off Resetting the Streaming Server Admin User Name and PasswordSecurity Streaming on PortCreating an Access File Controlling Access to Streamed MediaManaging Your Streaming Server Making Changes to the User or Group File What Clients Need to Access Protected MediaAdding User Accounts and Passwords Adding or Deleting GroupsInstalling SSL Executing a Command With sudo Firewalls and Networks With Address Translation ProblemsStreaming on Port Media Files Do Not Stream Properly Streaming Server Admin Is Not RespondingServer Doesn’t Start Up or Quits Unexpectedly Streaming Server Computer Crashes or Is RestartedUsers Can’t Connect to Your Broadcast Users See Error Messages While Streaming MediaMake sure users have the correct URL Streaming Performance Seems SlowUsers Can’t See Live Streamed Media You’re Having Problems With PlaylistsDSS 4 Windows Log in to the server as an administratorAdvanced Tells the server to bind to the local IP addressMeans that all IP addresses are enabled for the server Finally, restart the server by entering the following Text similar to the following should appear950. To kill them, enter the following Streamingadminserver.pl This will produce the following Page Streaming Presentations-Live and On Demand Distance learning classesBroadcaster Prepare the Location Setting It UpPrepare the Network Can the server computer be dedicated solely to streaming? Set Up Your Streaming ServerExample for a one-hour 300-Kbps stream 1220 TCP 554, 7070 TCP or 80 TCP10000-65635 UDP Rtsp 7070 TCP or 80 TCPSet Up for a Live Webcast Keep the Microphone Close Set Up Broadcaster Test Your Setup Creating a Web Page for Easy AccessClick Play below the iMovie monitor Shooting the Live PresentationArchiving the Live Presentation Setup Example Page Glossary Page Glossary Glossary Glossary Glossary X, Y, Z Glossary Avi format Access to streamed media 40-43, 62 basic 25Overriding global setting AuthScheme keyword Announce Automatic Unicast 24, 43-44, 64-65 any-usertagUsers from user/group file 42 delivery, live Running on non-Mac OS X platforms 16 setting upApplication Binaries DarwinStreamingServer file 46 data ratesHttp connections 12, 45, 47 Http downloads 48 Http traffic Error Log setting 26 errorsStreaming Server Admin 22 filesLooping playlists QuickTime movie 26 resettingMedia directories Disabling authentication for 40 multiple Killing Qtss processesNetwork Address Translators NATs 43 network cards Networks Name setting NATs Network Address Translators 43 NetSSLeayPasswords Broadcaster user account 25, 62 broadcasts Streaming Server Admin 18, 22, 25, 39 user accountsExporting as hinted movies 29-30sample Access to Broadcasting prerecorded media with 34 creatingMPEG-4 Port 80, streaming over 18, 25, 45, 61 portsReal-time streaming 7 Request incoming stream setting 37 resolutionCommand execution with sudo Multiple media directories 52-53obtainingPasswords. See passwords proxies Source Hostname or IP Address setting 37 SRC attributeBroadcasts over 24 relay via Changing settings for 23 starting StoppingStreaming servers T1 linesXLR plugs Xserve server 16, 17 Wait for announced streams settingAdministering server from 21 Internet Explorer 21 Mozilla Rtsp standard Weighted Random mode 35, 48, 49 WinAmp

QuickTime Streaming Server Darwin Streaming Server specifications

Apple QuickTime Streaming Server, also known as Darwin Streaming Server, is a pivotal technology in the realm of multimedia streaming. Developed by Apple Inc., this open-source server software is designed specifically for the efficient delivery of video and audio content over the internet. One of the standout features of Darwin Streaming Server is its capability to stream content using the QuickTime file format, which is widely adopted for rich media applications.

A core characteristic of Darwin Streaming Server is its support for the Real-Time Streaming Protocol (RTSP). This protocol enables the server to communicate effectively with user clients, ensuring smooth playback of multimedia content. RTSP also allows for advanced streaming capabilities, such as pause, rewind, and fast forward, providing users with a versatile viewing experience.

Darwin Streaming Server is built on a highly modular architecture that enhances its scalability and flexibility. It can easily handle multiple simultaneous streams, making it suitable for both small-scale projects and large-scale broadcast environments. The server can efficiently manage bandwidth, optimizing the delivery of content even during peak usage times.

Another notable feature of Darwin Streaming Server is its robust integration with Apple’s QuickTime technology. This compatibility enables the seamless distribution of interactive media, which is crucial for applications in education, entertainment, and corporate training. The server can stream both live and on-demand audio and video content, catering to a diverse audience.

Additionally, Darwin Streaming Server supports various streaming formats, including MP3 and AAC for audio and H.264 for video. This flexibility allows content creators to deliver high-quality media while maintaining compatibility with various devices and platforms, from desktop computers to mobile devices.

Security is another important aspect of Darwin Streaming Server. It supports encryption protocols, ensuring that sensitive content is protected during transmission. This is particularly valuable for organizations that need to secure proprietary content or deliver private media to specific audiences.

In conclusion, Apple QuickTime Streaming Server, or Darwin Streaming Server, stands out as a powerful tool for multimedia streaming. Its integration of RTSP, compatibility with QuickTime, modular architecture, and robust security features make it an ideal choice for businesses and content creators looking to deliver high-quality streaming experiences. Whether used for live broadcasts or on-demand content, Darwin Streaming Server remains a significant contributor to the evolution of online media delivery.
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