VLC Player with 64-bit LabVIEW

[arevh]

Hi Everyone,

I had an application developed with 32-bit LabVIEW which was playing a video using VLC player. The application was controlling the video playback from LabVIEW.

As there was a need to build the same application with 64-bit LabVIEW I have found 64-bit supporting VLC player, which is running as a stand-alone application just fine. But when I try to access it with the corresponding DLL from LabVIEW (exactly the same way is in case of 32-bit), it throw an error 1097 on call library function node.

"LabVIEW: (Hex 0x449) An exception occurred within the external code called by a Call Library Function Node. The exception might have corrupted the LabVIEW memory. Save any work to a new location and restart LabVIEW."

Does anybody have an experience with controlling a video playback with VLC from LabVIEW, and specifically with 64-bit version?

Thanks in advance.

Thanks,

Arev

CTO | RAFA Solutions

[Kevin.MN · Accepted solution]

Hi,

That error typically occurs with a parameter mismatch, as outlined in the KnowledgeBase below.

Error 1097 While Calling DLL with Correct Calling Convention

I think I recall that you may need to change the library call function parameters from Signed 32-bit Integer to Signed 64-bit Integer to make it work.

What operating system are you currently using? 

[arevh]

Hi Kevin,

Thank you very much for the hint. It helped. I change data types to I64 and now it functions properly.

To answer your question I'm using 64-bit OS.

Thanks,

Arev

CTO | RAFA Solutions

[gopinathbb]

May I know where to change data type to I64... Is in function return or ??

[JimB.]

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@gopinathbb wrote:

May I know where to change data type to I64... Is in function return or ??

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Likely anywhere handles or pointers are used.

If you are having a similar problem, it would be good to include the definition of the function that is generating an error and how you have the call library node configured.