Competition
Format and plug-in
Compared to other plug-ins such as Java, Acrobat Reader, QuickTime or Windows Media Player, the Flash Player has a small install size, quick download time, and fast initialization time. However, care must be taken to detect and embed the Flash Player in (X)HTML in a W3C compliant way. A simple and widely used workaround is provided below:
<object data="movie.swf"
type="application/x-shockwave-flash" width="500" height="500">
<param name="movie" value="movie.swf"/>
</object>
More Information on how to detect and embed Flash Objects in a W3C compliant way is provided in the xSWF description. SMIL is a W3C Recommendation that provides some of the same capabilities as Flash.
The use of vector graphics combined with program code allows Flash files to be smaller, or streams to use less bandwidth, than the corresponding bitmaps or video clips. For content in a single format (such as just text, video or audio) other alternatives may provide better performance and consume less CPU power than the corresponding Flash movie, for example when using transparency or making large screen updates such as photographic or text fades.
In addition to a vector-rendering engine, the Flash Player includes a virtual machine called the ActionScript Virtual Machine (AVM) for scripting interactivity at run-time, support for video, MP3-based audio, and bitmap graphics. As of Flash Player 8, it offers two video codecs: On2 Technologies VP6 and Sorenson Spark, and run-time support for JPEG, Progressive JPEG, PNG, and GIF. In the next version, Flash is slated to use a just-in-time compiler for the ActionScript engine.
Flash as a format has become very widespread on the desktop market. According to a NPD study, 98% of US Web users have the Flash Player installed,[5] with 45%-56%[6] (depending on region) having the latest version. Numbers vary depending on the detection scheme and research demographics.
Flash players exist for a wide variety of different systems and devices. Flash content can run consistently on Microsoft Windows, Mac OS, and Linux (Macromedia has created or licensed players for the following operating systems: Windows, Mac OS 9/X, Solaris, HP-UX, Pocket PC, OS/2, QNX, Symbian, Palm OS, BeOS, and IRIX). See also Macromedia Flash Lite for Flash compatibility on other devices.
Adobe offers the specifications of the Flash file format (excluding specifications of related formats such as AMF) to developers who agree to a license agreement that permits them to use the specifications only to develop programs that can export to the Flash file format. The license forbids the use of the specifications to create programs that can be used for playback of Flash files.
Since Flash files do not depend on a truly open standard such as SVG, this reduces the incentive for non-commercial software to support the format, although there are several third party tools which use and generate the SWF file format and a large and vibrant open source community. Apparently, the Flash Player cannot ship as part of a pure open source, or completely free operating system, as its distribution is bound to the Macromedia Licensing Program and subject to approval.
Free software alternatives
There is, as of late 2006, no complete free software replacement which offers all the functionality of the latest version of Adobe Flash. Gnash, based on GameSWF, is a Flash player replacement that is under development and has the support of Free Software Foundation (FSF). Gnash supports Flash 7 and below, but not files that require version 8 or 9 features.
A full end-to-end implementation of the W3C SVG specification would offer close competition for most of the features of Flash in an open, standard way. Adobe used to develop and distribute the 'Adobe SVG Viewer' client plug-in for MS Internet Explorer, but has recently announced its discontinuation.[7] It has been noted by industry commentators[3] that this is probably no coincidence at a time when Adobe have moved from competing with Macromedia's Flash, to owning the technology itself. Meanwhile, Opera has supported SVG since version 8,[8] and Firefox's built-in support for SVG continues to grow.[9]
Authoring
In October 1998, Macromedia disclosed the Flash Version 3 Specification to the world on its website. It did this in response to many new and often semi-open formats competing with SWF, such as Xara's Flare and Sharp's Extended Vector Animation formats. Several developers quickly created a C library for producing SWF. February 1999 saw the launch of MorphInk 99, the first third party program to create SWF files. Macromedia also hired Middlesoft to create a freely available developers' kit for the SWF file format versions 3 to 5.
Today, several open and free libraries and tool sets exist to generate and manipulate SWF files on many platforms. These include the Ming library, SWFTools, and the combination of swfmill and MTASC.
Macromedia has made the Flash Files specifications for versions 6 and later available only under a non-disclosure agreement, but it is widely available from various sites.
Many shareware developers produced Flash creation tools and sold them for under $50 USD between 2000 and 2002. In 2003 competition and the emergence of free Flash creation tools, most notably OpenOffice.org, had driven many third-party Flash-creation tool-makers out of the market, allowing the remaining developers to raise their prices, although many of the products still cost less than $100 USD and support ActionScript. As for open source tools, KToon can edit vectors and generate SWF, but its interface is very different from Macromedia's. Another, more recent example of a Flash creation tool is SWiSH Max made by an ex-employee of Macromedia. Toon Boom Technologies also sells traditional animation tool, based on Flash - Toon Boom Studio.
Adobe wrote a software package called Adobe LiveMotion, designed to create interactive animation content and export it to a variety of formats, including SWF. LiveMotion went through two major releases, but failed to gain any notable user base. Cartoon Man X Studios is one of the studios that uses this software.
In February 2003, Macromedia purchased Presedia, which had developed a Flash authoring tool that automatically converted PowerPoint Files into Flash. Macromedia subsequently released the new product as Breeze, which included many new enhancements. Since that time, Macromedia has seen competing PowerPoint-to-Flash authoring tools from PointeCast (not to be confused with PointCast) and PresentationPro among others. In addition, (as of version 2) Apple's Keynote presentation software also allows users to create interactive presentations and export to SWF.
In April of 2006, the Macromedia Flash SWF file format specification was released with details on the then newest version format (Flash 8). Although still lacking specific information on the incorporated video compression formats (On2, Sorenson Spark, etc.), this new documentation covers all the new features offered in Flash v8 including new ActionScript commands, expressive filter controls, and so on. The file format specification document is typically obtainable by subscribing to Macromedia's membership system and license restrictions (which include a prohibition against using these specifications to develop a free alternative).
Microsoft Silverlight
Formally released at the National Association of Broadcasters (NAB) 2007 and formerly under the code name, Windows Presentation Foundation/Everywhere or WPF/E Silverlight appears to be Microsoft's entry into the digital delivery of interactive content. The benefit for Microsoft is that they can push the player down to the majority of their users through the automatic update feature of their current operating systems.[10]