Sunday 9 August 2015

ADOBE FLASH PLAYER FREE DOWNLOAD

Features:-

Adobe Flash Player (labeled Shockwave Flash in Internet Explorer and Firefox)[4] is freeware software for using content created on the Adobe Flash platform, including viewing multimedia, executing rich Internet applications, and streaming video and audio. Flash Player can run from a web browser as a browser plug-in or on supported mobile devices.[5] Flash Player was created by Macromedia and has been developed and distributed by Adobe Systems since Adobe acquired Macromedia.
Flash Player has a wide user base, and is a common format for games, animations, and GUIs embedded into web pages. Adobe states that more than 400 million out of more than 1 billion connected desktops update to the new version of Flash Player within six weeks of release.[6]
Flash Player can be downloaded for free and its plug-in version is available for every major web browser. Google Chrome comes bundled with the sandboxed Adobe Flash plug-in and will continue to support the plug-in in Windows 8 Metro mode.[7][8][9]
Flash Player runs SWF files that can be created by the Adobe Flash Professional authoring tool, by Adobe Flash Builder or by third party tools such as FlashDevelop. Flash Player supports vector and raster graphics, 3D graphics, an embedded scripting language called ActionScript, and streaming of video and audio. ActionScript is based on ECMAScript, and supports object-oriented code, and may be compared to JavaScript.

Adobe Flash Player is a runtime that executes and displays content from a provided SWF file, although it has no in-built features to modify the SWF file at runtime. It can execute software written in the ActionScript programming language which enables the runtime manipulation of text, data, vector graphics, raster graphics, sound and video. The player can also access certain connected hardware devices, including web cameras and microphones, after permission for the same has been granted by the user.
Flash Player is used internally by the Adobe Integrated Runtime (Adobe AIR), in order to provide a cross-platform runtime environment for desktop applications and mobile applications. Adobe AIR supports installable applications on Windows, Linux, OS X, and some mobile operating systems such as iOS and Android. Flash applications must specifically be built for the Adobe AIR runtime in order to utilize additional features provided, such as file system integration, native client extensions, native window/screen integration, taskbar/dock integration, and hardware integration with connected Accelerometer and GPS devices.[10]

Data formats

Flash Player includes native support for many different data formats, some of which can only be accessed through the ActionScript scripting interface.
  • XML: Flash Player has included native support for XML parsing and generation since version 8. XML data is held in memory as an XML Document Object Model, and can be manipulated using ActionScript. ActionScript 3 also supports ECMAScript for XML (E4X), which allows XML data to be manipulated more easily.
  • AMF: Flash Player allows cookies to be stored on users computers, in the form of Local Shared Objects, the Flash equivalent to browser cookies.[11] Flash Player can also natively read and write files in the Action Message Format, the default data format for Local Shared Objects. Since the AMF format specification is published, data can be transferred to and from Flash applications using AMF datasets instead of JSON or XML, reducing the need for parsing and validating such data.
  • SWF: The specification for the SWF file format was published by Adobe, enabling the development of the SWX Format project, which utilized the SWF file format and AMF as a means for Flash applications to exchange data with server side applications.[12][13] The SWX system stores data as standard SWF bytecode which is automatically interpreted by Flash Player.[14] Another open-source project, SWXml allows Flash applications to load XML files as native ActionScript objects without any client-side XML parsing, by converting XML files to SWF/AMF on the server.[15][16]

Multimedia formats

Flash Player is primarily a graphics and multimedia platform, and has supported raster graphics and vector graphics since its earliest version. It supports the following different multimedia formats which it can natively decode and playback.
  • MP3: Support for decoding and playback of streaming MPEG-2 Audio Layer III (MP3) audio was introduced in Flash Player 4. MP3 files can be accessed and played back from a server via HTTP, or embedded inside an SWF file, which is also a streaming format.
  • PNG: Support for decoding and rendering Portable Network Graphics (PNG) images, in both its 24-bit (opaque) and 32-bit (semi-transparent) variants. Flash Player 11 can also encode a PNG bitmap via ActionScript.
  • JPEG: Support for decoding and rendering compressed JPEG images. Flash Player 10 added support for the JPEG-XR advanced image compression standard developed by Microsoft Corporation, which results in better compression and quality than JPEG. JPEG-XR enables lossy and lossless compression with or without alpha channel transparency. Flash Player 11 can also encode a JPEG or JPEG-XR bitmap via ActionScript.
  • GIF: Support for decoding and rendering compressed Graphics Interchange Format (GIF) images, in its single-frame variants only. Loading a multi-frame GIF will display only the first image frame.

Streaming protocols

  • TCP: Support for TCP socket communication to communicate with any type of server, using stream sockets. Sockets can only be utilized using ActionScript, and can transfer plain text, XML or binary data (ActionScript 3.0 and later).[25][26] In order to prevent security issues, web servers that permit Flash content to communicate with them using sockets must host an XML-based cross domain policy file, served on Port 843.[27] Sockets enable AS3 programs to interface with any kind of server software, such as MySQL.[28]

Performance

Hardware acceleration

Until version 10 of the Flash player, there was no support for GPU acceleration. Version 10 added a limited form of support for shaders on materials in the form of the Pixel Bender API, but still did not have GPU-accelerated 3D vertex processing.[29] A significant change came in version 11, which added a new low-level API called Stage3D (initially codenamed Molehill), which provides full GPU acceleration, similar to WebGL.[30][31] (The partial support for GPU acceleration in Pixel Bender was completely removed in Flash 11.8, resulting in the disruption of some projects like MIT's Scratch, which lacked the manpower to recode their applications quickly enough.[32][33])
Current versions of Flash Player are optimized to use hardware acceleration for video playback and 3D graphics rendering on many devices, including desktop computers. Performance is similar to HTML5 video playback.[34][35] Also, Flash Player has been used on multiple mobile devices as a primary user interface renderer.[36]

Compilation

Although code written in ActionScript 3 executes up to 10 times faster than the previous ActionScript 2,[37] the Adobe ActionScript 3 compiler is a non-optimizing compiler, and produces inefficient bytecode in the resulting SWF, when compared to toolkits such as CrossBridge.[38][39][40][41][42]
CrossBridge, a toolkit that targets C++ code to run within the Flash Player, uses the LLVM compiler to produce bytecode that runs up to 10 times faster than code the ActionScript 3 compiler produces, only because the LLVM compiler uses more aggressive optimization.[40][41][42]
Adobe has released ActionScript Compiler 2 (ASC2) in Flex 4.7 and onwards, which improves compilation times and optimizes the generated bytecode and supports method inlining, improving its performance at runtime.[43]
As of 2012, the Haxe multiplatform language can build programs for Flash Player that perform faster than the same application built with the Adobe Flex SDK compiler.

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