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Netscape Plugin Application Programming Interface (NPAPI) is a deprecated application programming interface (API) for web browser plugins, initially developed for Netscape Navigator 2.0 in 1995 and subsequently adopted by other browsers. In the NPAPI architecture, a plugin declares content types (e.g. "audio/mp3") that it can handle. When the ...
Lightspark supports most of ActionScript 3.0 and has an NPAPI plug-in. [2] It will fall back on Gnash, a free SWF player on ActionScript 1.0 and 2.0 (AVM1) code. Lightspark supports OpenGL-based rendering and LLVM-based ActionScript execution and uses OpenGL shaders . The player is compatible with H.264 Flash videos on YouTube.
Pepper Plugin API, or PPAPI [28] [29] is a cross-platform API for Native Client-secured web browser plugins, first based on Netscape's NPAPI, then rewritten from scratch. It was used in Chromium and Google Chrome to enable the PPAPI version of Adobe Flash [30] and the built-in PDF viewer. [31]
This is natively supported in Windows, used to be built into Macintosh computers by default. Now you may need to install additional software. Since around 2017 web browsers such as Firefox and Google Chrome dropped support for NPAPI plug-ins like Quicktime and Totem that could play MIDI files by clicking on an embedded link in a web page.
NSAPI can be compared to an earlier protocol named Common Gateway Interface (CGI). Like CGI, NSAPI provides a means of interfacing application software with a web server. . Unlike CGI programs, NSAPI plug-ins run inside the server pro
XAML Browser Applications (XBAP, pronounced "ex-bap") are Windows Presentation Foundation (.xbap) applications that were intended to run inside a web browser such as Firefox or Internet Explorer through the NPAPI interface. Due to NPAPI being phased out in recent years, and from lack of support, there are currently no browsers that support XBAP ...
Flashpoint Archive (formerly BlueMaxima's Flashpoint) is an archival and preservation project that allows browser games, web animations and other general rich web applications to be played in a secure format, after all major browsers removed native support for NPAPI/PPAPI plugins in the mid-to-late 2010s as well as the plugins' deprecation.
WPF applications are Windows-only standalone desktop executables. Historically, WPF supported compiling to XBAP, a file format intended to be shown in web browsers via a NPAPI plugin, but NPAPI and XBAP support was phased out of support by browsers, and XBAP compilation is now no longer included for WPF for .NET. [31] [32]