On May 6, 2010, at 10:13 AM, Philip Mobley wrote:

> I am trying to implement David Duncan's suggestion, but because I am dealing 
> with images and sound, its not clear how much memory is actually being used 
> (although worst case estimates can be made).


For images I would use a cost estimate of width * height * 4 (this is typically 
what the memory cost to decompress and display an optimized PNG). For audio 
this is more difficult as it is unlikely that the entire file will be loaded 
into memory, or even that a significant amount of it will be loaded into memory 
unless it is playing (in which case you do not want to unload it).
--
David Duncan
Apple DTS Animation and Printing

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