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Important: The information in this document is obsolete and should not be used for new development.

SMIL Changes

The current release of QuickTime 5 includes the addition of a number of new Synchronized Multimedia Integration Language (SMIL) attributes, discussed in this section.

In this section:

New SMIL Attributes
URL Resolution


New SMIL Attributes

Support for “qt:preroll”

The SMIL attribute, "qt:preroll", accepts an integer representing the number of seconds to open and prepare to play an embedded movie. The attribute can be added to any media object; the default remains 15 seconds.

Support for begin-clip and end-clip

The begin-clip and end-clip attributes are now supported for media elements.

Support for "qt:fullscreen"

"qt:fullscreen" can be set in the SMIL header; it accepts one of the following values:

qt:fullscreen="fullscreen_false"
qt:fullscreen="fullscreen_normal"
qt:fullscreen="fullscreen_double"
qt:fullscreen="fullscreen_half"
qt:fullscreen="fullscreen_full"
qt:fullscreen="fullscreen_current"

URLs Used with “qt: next” Attribute

Relative URLs now work with qtnext user data and with the "qt:next" attribute of SMIL documents. Therefore, the following now works:

<smil xmlns:qt="http://www.mywebsite.com/quicktime/resources/smilextensions" qt:next="in_the_same_directory_as_this_document.mov"> . . . </smil>

URL Resolution

In QuickTime 5, SMIL and HTML documents can now use BASE URLs that point to directories. For example:

file:///mydrive/dir1/dir2/lookhere/

SMIL and HTML documents can also use BASE URLs that point to dummy entries, as long as their parent directories are valid. For example:

file:///mydrive/dir1/dir2/lookhere/bogus.html

Note: This was true in QuickTime 4.1 for HTTP and ftp URLs and is now also true for file URLs.



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Last updated: 2001-10-01




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