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Re: CoreImage on threads?
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Re: CoreImage on threads?


  • Subject: Re: CoreImage on threads?
  • From: "email@hidden" <email@hidden>
  • Date: Sun, 21 Mar 2010 11:11:41 -0700

Just to be clear, it works great for me off the main thread. The problem I have is when I have multiple CoreImage operations on separate threads.

_murat

On Mar 21, 2010, at 9:30 AM, Jeff Johnson wrote:

> In my experience, CoreImage is not thread safe. I could probably dig up the details if necessary, but the gist is that we were experiencing CoreImage-related crashes when running off the main thread. Moving to the main thread fixed the crashes.
>
> Unfortunately, I'm not aware of any documentation regarding CoreImage thread safety.
>
> -Jeff
>
>
> On Mar 20, 2010, at 4:36 PM, email@hidden wrote:
>
>> I'm trying to use run multiple CoreImage operations concurrently using NSOperation. Sometimes it works, sometimes it doesn't. Smells like what you'd get when trying to run multiple operations that are not thread safe.
>>
>> Before I dig in much deeper, am I wrong that running multiple concurrent CoreImage operations is even supported? I wasn't able find any documentation on the subject one way or the other, but it seems odd that it shouldn't be supported.
>>
>> _murat_______________________________________________
>

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References: 
 >CoreImage on threads? (From: "email@hidden" <email@hidden>)
 >Re: CoreImage on threads? (From: Jeff Johnson <email@hidden>)

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