On 8/27/13, S0urc3C0de <s0urc3c0de at d.learn> wrote: > Actually, I was trying to use ffmpeg and isn't this a C-Lib? Seems so. > Because when I tried to call a simple function > (av_register_all()), I got the same error as described above > though only with the leading underscore in the error message. Try calling implib with the /s switch.