I'm not sure what else I can do unless I either have a case I can reproduce on 
my end, or a more full stack trace or at least indication of what specific line 
in the OIIO is where the exception is thrown (just knowing precisely where the 
crash happens may be enough do diagnose or defensively program around).


> On Apr 19, 2019, at 2:11 AM, till dechent <[email protected]> wrote:
> 
> ImageInput::open() works for me with the downloaded DPX on version 2.0.6.
> 
> Am Do., 18. Apr. 2019 um 18:41 Uhr schrieb Stephen Blair 
> <[email protected] <mailto:[email protected]>>:
> It doesn't crash on Windows for me, but that's with OpenImageIO-Arnold 
> 2.1.0dev
> 
> On Thu, Apr 18, 2019 at 1:07 PM Larry Gritz <[email protected] 
> <mailto:[email protected]>> wrote:
> Hi, thanks. I'm able to open that DPX file on my end (not on Windows), so I 
> don't think it's a corrupt file.
> 
> Can you build all of OIIO in Debug mode (not Release) and use the debugger to 
> find out what file and line is where the actual crash is occurring? The 
> screenshot you provided only shows where in your unit test it was, so the 
> actual crash could be practically anywhere inside what happens within the 
> open() call.
> 
> I'm sorry I'm not easily able to help, I don't have access to a Windows 
> machine.
> 
> Can somebody else out there who uses OIIO on Windows please do us a favor and 
> download this DPX file in the links below, then try anything that forces an 
> open (e.g., 'iinfo -v -stats blah.dpx') and report what happens? Does this 
> crash for everybody? If anyone can reproduce, do you have any ideas or can 
> you get closer to finding what line within the OIIO code is the source of the 
> problem?
> 
>       -- lg
> 
> 
>> On Apr 18, 2019, at 1:16 AM, Mathieu Prevot <[email protected] 
>> <mailto:[email protected]>> wrote:
>> 
>> Hello,
>> 
>> Following the documentation "4.1 Image Input Made Simple";
>> I'm having an exception at opening a dpx file and tiff file from simple code:
>> 
>>     auto in = ImageInput::open(filename); // here
>>     if (!in) return;
>> 
>> Exception thrown at 0x00007FFDBEBDA388 in testhost.exe: Microsoft C++ 
>> exception: Microsoft::VisualStudio::CppUnitTestFramework::CSEException 
>> 
>> More detailed information:
>> https://1drv.ms/u/s!AlUmbfQiLoTZhFQir--TvMglJ0iT 
>> <https://1drv.ms/u/s!AlUmbfQiLoTZhFQir--TvMglJ0iT>
>> 
>> Images:
>> https://1drv.ms/f/s!AlUmbfQiLoTZhFKpXHJcchpi0hBY 
>> <https://1drv.ms/f/s!AlUmbfQiLoTZhFKpXHJcchpi0hBY>
>> 
>> I'm using the master version of oiio in windows with tiff 4.0.10, openexr 
>> 2.3.0, zlib 1.2.11, libpng 1.6.35, boost 1.70, libjpegturbo 2.0.3, tbb 
>> 2019.3; cmake 3.13.4, VS2017.
>> 
>> I'm running this in a c++ unit test, (with some c code since data will be 
>> used in an interop context).
>> 
>> TEST_CLASS(DPXioTests)
>>     {
>>     public:
>>         TEST_METHOD(Instance)
>>         {
>>             auto sut = new DPXio();
>>             Assert::IsNotNull(sut);
>>         }
>> 
>>         TEST_METHOD(ReadDPX)
>>         {
>>             auto sut = new DPXio();
>>             auto path = 
>> "C:/sensomovie/C200/A011C118_19041345_CANON/A011C118_19041345_CANON_00001926.DPX";
>>             if(!FileExist(path))
>>             {
>>                 wstringstream s;
>>                 s << "No such file: " << path << ".";
>>                 Logger::WriteMessage(s.str().c_str());
>>                 return;
>>             }
>>             try
>>             {
>>                 auto result = sut->Read(path);
>>                 Assert::IsNotNull(result);
>>                 Assert::IsTrue(result->Colors >= 3);
>>                 Assert::IsTrue(result->Height == 2160);
>>                 Assert::IsTrue(result->Width == 4096);
>>             }
>>             catch (Exception& e)
>>             {
>>                 auto lastErrorID = GetLastError();
>>                 if (lastErrorID != 0)
>>                 {
>>                     LPVOID errorBuffer{};
>>                     FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | 
>> FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
>>                         nullptr, lastErrorID, MAKELANGID(LANG_NEUTRAL, 
>> SUBLANG_DEFAULT), (LPTSTR)&errorBuffer, 0, nullptr);
>>                     wstringstream s;
>>                     s << "Exception: " << e.what() << ". ID: "<< lastErrorID 
>> << ". Message: " <<  errorBuffer<< ".";
>>                     Logger::WriteMessage(s.str().c_str());
>>                 }
>>                 else
>>                 {
>>                     wstringstream s;
>>                     s << "Exception: " << e.what();
>>                     Logger::WriteMessage(s.str().c_str());
>>                 }
>>             }
>>         }
>>     };
>> 
>> 
>> Mathieu
>> _______________________________________________
>> Oiio-dev mailing list
>> [email protected] <mailto:[email protected]>
>> http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org 
>> <http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org>
> 
> --
> Larry Gritz
> [email protected] <mailto:[email protected]>
> 
> 
> 
> 
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--
Larry Gritz
[email protected]




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