[vorbis-dev] QuickTime component for MacOS 9

Kevin Marks kmarks at apple.com
Tue May 22 12:01:05 PDT 2001



At 11:48 am -0700 22/5/01, Kevin Avila wrote:
>On Friday, May 18, 2001, at 10:14 AM, Kevin Marks wrote:
>
>>>I'm working on separating them which is more difficult than you think,
>>>because the compressor has to be able to run at deferred task time.
>>>Calling malloc from deferred task time is a no-no.  I've got a
>>>solution, but I'm still implementing it.  This problem happens
>>>with the decompressor also.
>>
>>There are interrupt safe allocaters on the Mac (Open Transport has 
>>one), but you are better off not using these if you can.
>
>  It may be safer to use MP Tasks instead of the time manager. Much 
>more of the toolbox is avil. when using MP over deffered tasks (plus 
>it would make for one cool OS X player/plugin.

This isn't quite right - Toolbox calls like memory allocation made 
from MP on 9 are not serviced until the blue task calls WaitNextEvent.

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