Re: About Technical Q&A QA1518 - Using UTIs to Identify Image Files - what about Video?
Re: About Technical Q&A QA1518 - Using UTIs to Identify Image Files - what about Video?
- Subject: Re: About Technical Q&A QA1518 - Using UTIs to Identify Image Files - what about Video?
- From: "Douglas A. Welton" <email@hidden>
- Date: Sat, 02 Jun 2007 08:52:02 -0400
Steve,
Check out the QTMovie methods +movieFileTypes: and
+movieUnfilteredFileTypes:. Each returns an array of "file" types that can
be used to initialize a QTMovie object. Also, check out the +canInitWith...
methods they may be useful to you as well.
later,
douglas
on 6/1/07 5:57 PM, Steve Sheets at email@hidden wrote:
> Apple's recently released Technical Q&A 1518 uses UTIs to identify
> Image files. Given a path to a file, the routine show returns true if
> the file is an Image file. It actually uses the
> CGImageSourceCopyTypeIdentifiers: call to find a list of UTIs for the
> images files Quartz supports.
>
> What about videos?
>
> I need to be able to do exactly the same thing for the various file
> formats that Quicktime supports. (ex .mov & .mpg file types). I can
> not find a similar call in Quicktime to provide the UTIs for
> Quicktime compatible files.
>
> Does anyone have better suggestion? I do not want to have to try to
> open the file, to determine if it is a video.
>
> Thank you
>
> Steve
> _
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