After adding the Include folder from my visual studio installation I got 73 out of 162 functions recognised. So I got myself a copy of the ffmpeg-shared and -dev package and tried out the Shared Library Import on libavformat.dll. Possibly because I've never interfaced to external code from LabVIEW before. I'd like to do this using the ffmpeg library but I got stuck way earlier than bublina. I realise this hasn't been touched for a year, but there is always hope.Īs explained here I'm trying to read quicktime videos frame by frame. The code compiles and links without warnings (W4) Header for FFMPEG LV wrapper#define DLL_EXPORT _declspec(dllexport)#ifdef _cplusplus extern 'C' #endif This is how does the *.h file looks like: I stripped down the code for release build to only contain returns and such. I know it is definitely some stupid nwbie mistake. So far, I did not find the build option, that might be causing this. Problem, but code compiles and linkes without errors. From the error description, it semmed to me a linker

Or such, I translated from windows native language. 'Entrypoint of procedure imaqCloseToolWindow could not be located in avcodec-54.dll' Once I want to use release build, during setting up the functions in library call dialog, I get error saying : So far I wrapped few functions to set up a stupid videoplayer, all works, but only in debug mode.

Ffmpeg dll pas header