Image Processing Reference
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Linking to a movie with an <A> tag bypasses the MIME-type matching and the
browser cannot properly invoke a plug-in. Some browsers cope with this more elegantly
than others, but it is never ideal. Even if the browser does intercept this loading mecha-
nism and create a virtual page with a plug-in, there is no way to control that plug-in view-
ing experience. Appendix I summarizes some useful MIME-type values. Note that some
of these must be defined in your web server configuration files.
If the file extension is not mapped, the file contents may be presented as text in the
browser window. A movie presented like this is not going to impress a consumer!
Some file types, such as .mp4 , .smil , .swf , and the rtsp:// protocol, will not
properly invoke QuickTime or other handlers; if you don't have a plug-in that maps to the
kind of data being downloaded, the whole thing might even crash.
The <EMBED> tag works with all browsers across different platforms. One of the
attributes is the MIME type of the content. The browser uses this to select a playback appli-
cation or plug-in. The <EMBED> tag also has failover mechanisms that lead you to a down-
load page if there is some content being embedded for which you don't have a plug-in
installed. Table 26-3 lists the download addresses if you want to include them in your web
Table 26-3 Download Pages for Popular Player Plug-Ins
Window Media 9
Window Media (legacy)