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Re: Technical Q&A QA1147 - Incorrect?

Hi there,

I wish to use the code to convert a compressed movie to uncompressed AVI.
The technical Q&A 1147 (http://developer.apple.com/qa/qa2001/qa1147.html) tells
how to do this. But this does not work.

As this problem was also faced by someone else (
http://lists.apple.com/archives/quicktime-api/2004/Mar/msg00195.html), I do
not think I am doing anything wrong.

I also tried the suggestions of using the kRawCodecType but that does not
work either. I do not know what the QuickTime setting dialog modifies so
that it can set the code to "raw".

Can someone, who has a better knowledge of QuickTime export components,
please tell me how I can decompress to the raw format.

Thanks.

/anita

The AVI exporter uses a transcoder component and transcodes kRawCodecType to kWindowsRawCodecType which is the format of raw video in an avi file (basically, NONE for the codec type will produce this).

What I'm seeing currently is the exporter settings atom that is being returned when the AVI spit component is first opened looks different than what is returned after you bring up the exporter dialog (it's missing some atoms). Considering I'm getting a -50 error using the code presented in the Q&A and duplicating the spatial settings atom from a known good atom container doesn't help, my initial thought is that this is just a bug (especially considering the Q&A code use to work and using the settings container once the dialog is brought up works fine). Can you please file this, including full system information and mention the Q&A. < bugreporter.apple.com >

The work around is to use the Export Dialog to configure what you want, then get that settings atom and use it later. See Q&A 1418 < http://developer.apple.com/qa/qa2005/qa1418.html >

regards,
edward

 Edward Agabeg
 WWDR Engineer
 QuickTime
 Worldwide Developer Relations
 Apple

 http://www.apple.com/developer
 http://www.apple.com/quicktime

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