Adobe Flash Player

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Adobe Flash Player

Maintainer: Adobe Systems
Stable release: 9.0.115.0 (Windows, Mac OS X, Linux)
9.0.47.0 (Solaris)
7.0.70.0 (Pocket PC)
  (3 December 2007 (Windows, Mac OS X, Linux)
10 July 2007 (Solaris)) [+/-]
Preview release: 9.0.64  (October 1, 2007) [+/-]
OS: Microsoft Windows, Mac OS X, Linux, Solaris, Pocket PC
Use: Media Player
Website: Adobe Flash Player

The Adobe Flash Player is a widely distributed multimedia and application player created and distributed by Macromedia (a division of Adobe Systems). Flash Player runs SWF files that can be created by the Adobe Flash authoring tool, by Adobe Flex or by a number of other Macromedia and third party tools.

Adobe Flash, or simply Flash, refers to both a multimedia authoring program and the Adobe Flash Player, written and distributed by Adobe, that uses vector and raster graphics, a native scripting language called ActionScript and bidirectional streaming of video and audio. Strictly speaking, Adobe Flash is the authoring environment and Flash Player is the virtual machine used to run the Flash files, but in colloquial language these have become mixed: "Flash" can mean either the authoring environment, the player, or the application files.

Flash Player has support for an embedded scripting language called ActionScript (AS), which is based on ECMAScript. Since its inception ActionScript has matured from a script syntax without variables to one that supports object-oriented code, and may now be compared in capability to JavaScript (another ECMAScript-based scripting language).

The Flash Player was originally designed to display 2-dimensional vector animation, but has since become suitable for creating rich Internet applications and streaming video and audio. It uses vector graphics to minimize file size and create files that save bandwidth and loading time. Flash is a common format for games, animations, and GUIs embedded into web pages.

The Flash Player built into some browsers and is available as a plugin for recent versions of other browsers (such as Mozilla Firefox, Opera, Safari and Microsoft Internet Explorer) on selected platforms. Each version of the plugin is completely backwards-compatible.

Contents

The latest version of Flash Player, Version 9, is available for Windows (98 and newer), Linux (x86 only) and Mac OS X. Version 7 is the most recent official version currently available for the Linux/ARM-based Nokia 770/N800 Internet Tablets, classic Mac OS, Pocket PC, Solaris and Windows 95/NT.[1][2] HP offers Version 6 of the player for HP-UX.[3] Other versions of the player have been available at some point for OS/2, Symbian OS, Palm OS, BeOS and IRIX.[citation needed] The Kodak Easyshare One includes Flash Player. The Flash Player SDK was used to develop its on-screen menus, which are rendered and displayed using the included Flash Player.[1] Among other devices, LeapFrog Enterprises provides Flash Player with their Leapster Multimedia Learning System and extended the Flash Player with touch-screen support.[2] Sony has integrated Flash Player 6 into the Playstation Portable's web browser via firmware version 2.70. Nintendo has integrated Flash Player 7 in the Internet Channel on the Wii.

See also: Local Shared Object

Flash Player is an application that, while running on a computer that is connected to the internet, is designed to contemporaneously interact with websites containing Flash content that are being visited online. As such, under certain configurations the application has the potential to silently compromise its users' internet privacy, and do so without their knowledge. By default, Flash Player is configured to permit small, otherwise invisible "tracking" files, known as Persistent Identification Elements (PIE)[3] or Local Shared Object files, to be stored on the hard drive of a user's computer. Sent in the background over the internet from websites to which a user is connected, these files work much the way "cookies" do with internet browsers. When stored on a user's computer, PIE (.sol) files are capable of sending personally sensitive data back out over the internet without the user's knowledge to one or more third parties. In addition, Flash Player is also capable of accessing and retrieving audio and video data from any microphone and/or webcams that might be either built in or connected to a user's computer and transmitting it in realtime over the internet (also potentially without the user's knowledge) to one or more third parties.

While these capabilities can all be affirmatively blocked and/or disabled by the user, the Flash Player application does not provide an internally accessible "preferences" panel to accomplish this. Instead access to the various settings panels necessary to manage the application's "Privacy," "Storage," "Security," and "Notifications" settings can be achieved through a web-based "Settings Manager" page located on the "support" section of the Adobe.com website, or by third party tools (see Local Shared Object). Each of the functions can be enabled/disabled either "globally" to cover all websites, or set differently for individual websites depending on how the user desires Flash Player to be able to interact with each one.

Whilst the Flash Control Panel Settings in theory allow users to protect their Privacy it should be remembered that suitably crafted Visual Basic Script or similar code can overwrite any user defined settings before the Flash Player Plug-in is called by a Webpage.

In addition to cookies, many banks and other financial institutions also routinely install Persistent Identification Elements using Flash Player on users' hard drives when they establish and access their accounts, as do other interactive sites such as "YouTube" and the like.

  • Macromedia Flash Player 2
    • First version under Macromedia brand
    • Mostly vectors and motion, some bitmaps, limited audio
  • Macromedia Flash Player 3
    • Added alpha transparency, licensed MP3 compression
  • Macromedia Flash Player 4 (May 1999)
  • Macromedia Flash Player 5 (August 2000)
  • Macromedia Flash Player 6 (March 2002)
    • Support for the consuming Flash Remoting (AMF) and Web Service (SOAP)
    • supports ondemand/live audio and video streaming (RTMP)
    • Support for screenreaders via Microsoft Active Accessibility
    • Added Sorenson Sparc video codec for Flash Video
  • Macromedia Flash Player 7 (September 2003)
    • supports progressive audio and video streaming (HTTP)
    • supports ActionScript 2.0, an Object-Oriented Programming Language for developers
  • Macromedia Flash Player 8 (August 2005)
    • support of GIF and PNG bitmapped images
    • new video codec (On2 VP6)
    • improved runtime performance
    • live filters such as blur and drop shadow
    • file upload and download capabilities
    • crisp pixel-perfect text rendering
    • new security features to prevent unsafe code from running
  • Macromedia Flash Lite 1.0 and 1.1
    • Based on Flash Player 4
  • Macromedia Flash Lite 2.0 (December 2005)
    • Based on Flash Player 7
  • Adobe Flash Player 9 (June 2006) previously named Flash Player 8.5
    • New ECMAScript scripting engine, ActionScript Virtual Machine AVM2. AVM retained for compatibility.
    • Actionscript 3 via AVM2.
    • E4X, which is a new approach to parsing XML.
    • Support for binary sockets.
    • Support for Regular Expressions and namespaces.
    • Support for Fullscreen Mode.
    • ECMAScript 4 virtual machine donated to Mozilla Foundation and named Tamarin.
  • Adobe Flash Lite 2.1 (December 2006)
    • Running on the BREW platform
  • Adobe Flash Lite 3 (Announced on February 2007)
    • Support for FLV transcoding
  • Adobe Flash Player 9 Update 3 (Beta 2) (August 2007) [4][5]

  1. ^ Macromedia - Flash Player SDK http://www.adobe.com/products/flashplayer_sdk/ (Taken 7 July 2006)
  2. ^ Adobe Success Story: LeapFrog Enterprises http://www.adobe.com/cfusion/showcase/index.cfm?event=casestudydetail&casestudyid=21019&loc=en_us (Taken 7 July 2006)
  3. ^ Persistent Identification Elements (PIE) and Internet Privacy.
  4. ^ http://www.adobe.com/aboutadobe/pressroom/pressreleases/200708/082107FlashPlayer.html
  5. ^ http://www.kaourantin.net/2007/08/what-just-happened-to-video-on-web_20.html


v • d • e
Adobe Flash
Flash-specific file formats .swf (Shockwave Flash) · .as (ActionScript) · .flv (Flash Video) · .amf (Action Message Format)
Other versions Adobe Flash Lite · FutureSplash Animator (Flash 1.0)
Miscellaneous ActionScript · Adobe Flash Player · Local Shared Object · Flash animation  · .spl, historical file format for Flash 1.0


v • d • e
Adobe Systems
Desktop software Creative Suite · Technical Communication Suite · Acrobat · Audition · Digital Editions · GoLive · PageMaker · Photoshop Lightroom · more
Server software ColdFusion · LiveCycle · Flash Media Server · JRun · Premiere Express
Technology PostScript · PDF · FlashPaper · Authorware · Flash · Font Folio · DNG · Flex · AIR
Services ASN · ADC
Board of directors Charles Geschke · John Warnock · Bruce Chizen · Shantanu Narayen
Retrieved from "http://en.wikipedia.org/wiki/Adobe_Flash_Player"
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