[Openexr-user] Photoshop Windows Binary Requires Extra DLL?

[Dan Lemmon]

Hi,

I tried to install the precompiled OpenEXR Plugin for Photoshop on Windows,
but I get the following error when I launch Photoshop:

Adobe Photoshop: Photoshop.exe - Unable to Locate DLL
The dynamic link library MSVCP71D.dll could not be found in the specified path
C:\Program Files\Adobe\Photoshop CS;.C:\WINNT\system32;.... etc.

I saw that there is a thread on this same topic from February, but it appears
to be unresolved. Apparently the DLL is a VisualC++ debug library and is not
available separately. As Paul Schneider requested on that earlier thread, I
have attached a screengrab of my error.

Thanks!
-Dan Lemmon

[Andrew Chapman]

Post by Dan Lemmon
I tried to install the precompiled OpenEXR Plugin for Photoshop on

It looks like that version of the plugin was built in debug mode, you
should rebuild it in release mode, or you could run the debug one on a
machine that has had MSVC installed.

AFAIK, the debug version of the MSCV DLLs are not legally redistributable.

Aside from the missing DLL problem, any debug build is going to run a
lot slower than a release one.

[Dan Lemmon]

Yes, what you are describing seems to be exactly what is happening.
Unfortunately, I don't have a compiler installed on my Windows box, and I'd
prefer not going to the trouble of having one installed. I downloaded the
compiled plugin from the OpenEXR website, so it surprises me that it is a
debug version.

Post by Andrew Chapman
It looks like that version of the plugin was built in debug mode, you
should rebuild it in release mode, or you could run the debug one on a
machine that has had MSVC installed.
AFAIK, the debug version of the MSCV DLLs are not legally redistributable.
Aside from the missing DLL problem, any debug build is going to run a
lot slower than a release one.

[Paul Schneider]

Hi, Dan,

unfortunately, the 1.0.7 version of the Windows Photoshop plugin was
linked against the debug libraries. This was fixed in the 1.1.1
version, which is, confusingly enough, not on www.openexr.com. You can
grab it here:

http://savannah.nongnu.org/download/openexr/EXRFormat_1.1.1_Win32.zip

Sorry for the confusion.

- Paul

Post by Dan Lemmon
Yes, what you are describing seems to be exactly what is happening.
Unfortunately, I don't have a compiler installed on my Windows box,
and I'd prefer not going to the trouble of having one installed. I
downloaded the compiled plugin from the OpenEXR website, so it
surprises me that it is a debug version.

Post by Andrew Chapman
It looks like that version of the plugin was built in debug mode, you
should rebuild it in release mode, or you could run the debug one on
a machine that has had MSVC installed.
AFAIK, the debug version of the MSCV DLLs are not legally
redistributable.
Aside from the missing DLL problem, any debug build is going to run a
lot slower than a release one.

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