You have an include such as the following in that file? I don't know if
that is the include.
#include <ffmpeg.h>
On Sun, Jun 06, 2010 at 10:26:40PM -0700, Jeff Newmiller wrote:
> Seems more likely that you haven't included the declarations for the C
> routines in your cpp file. Would need to see more context to diagnose.
>
> "Hai Yi" <yihai2...@gmail.com> wrote:
>
> >Hello all:
> >
> >I created a class FFMpegMgr and a method init(); inside init() I just put
> >three ffmpeg api there:
> >avcodec_register_all();
> >avdevice_register_all();
> > av_register_all();
> >
> >The source file ffmpegmgr.cpp look like this:
> >
> > void FFMpegMgr::init() {
> > avcodec_register_all();
> > avdevice_register_all();
> > av_register_all();
> >
> >}
> >
> >Now I got a "undefined reference to avcodec_register_all" error.
> >
> >if I put that body in the class declaration or add a "inline" keyword, that
> >problem was gone and the compilation succeeded.
> >
> >question is, do those three functions, which are C functions defined in
> >avcodec.h, have to be used only in the inline functions in C++?
> >
> >Sorry if it appear naive - I've been out of touch with C/C++ for a while.
> >
> >Thanks!
> >Hai
> >_______________________________________________
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> >vox-tech@lists.lugod.org
> >http://lists.lugod.org/mailman/listinfo/vox-tech
>
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--
Brian Lavender
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"There are two ways of constructing a software design. One way is to
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The 1980 Turing award lecture
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