tjInitDecompress / tjInitCompress

[folkert van heusden]

Hi,

If I want to compress multiple images to jpeg, do I need to invoke tjInitCompress() for each jpeg I want to create? Or can I invoke tjInitCompress once and re-use it?

[DRC]

You can reuse it.

On Jul 25, 2020, at 4:50 AM, folkert van heusden <fol...@vanheusden.com> wrote:



Hi,

If I want to compress multiple images to jpeg, do I need to invoke tjInitCompress() for each jpeg I want to create? Or can I invoke tjInitCompress once and re-use it?

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[folkert]

Thank you.

Probably one instance of a tjhandle per thread?

On Sat, Jul 25, 2020 at 08:47:50AM -0500, DRC wrote:
> You can reuse it.
>
> > On Jul 25, 2020, at 4:50 AM, folkert van heusden <fol...@vanheusden.com> wrote:
> >

> > ???

> > Hi,
> >
> > If I want to compress multiple images to jpeg, do I need to invoke tjInitCompress() for each jpeg I want to create? Or can I invoke tjInitCompress once and re-use it?
> > --
> > You received this message because you are subscribed to the Google Groups "libjpeg-turbo User Discussion/Support" group.
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>
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Folkert van Heusden

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[DRC]

Yes, a single TurboJPEG instance cannot be safely used by more than one thread.

> On Jul 25, 2020, at 9:29 AM, folkert <fol...@vanheusden.com> wrote:
>
> Thank you.

> To view this discussion on the web visit https://groups.google.com/d/msgid/libjpeg-turbo-users/20200725142945.GJ7612%40belle.intranet.vanheusden.com.

[folkert]

Ok thanks!

On Sat, Jul 25, 2020 at 10:01:42AM -0500, DRC wrote:
> Yes, a single TurboJPEG instance cannot be safely used by more than one thread.
>
> > On Jul 25, 2020, at 9:29 AM, folkert <fol...@vanheusden.com> wrote:
> >

> > ???Thank you.

> To view this discussion on the web visit https://groups.google.com/d/msgid/libjpeg-turbo-users/B7E16178-822D-4C43-8396-225B0B031B32%40virtualgl.org.


Folkert van Heusden

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