2008/12/5 Pellegrino Francesco <[EMAIL PROTECTED]>
>
> It sounds like a stack problem... Check all the calls preceding this one...
> Maybe there is something in your code that is causing buffer overflow...
> If you use function pointers check the syntax of the prototype...
> Check also if you have previously called a function with va_list
> arguments...
I'm sure the FFmpeg users don't like that you top-post....so don't
top-post!!
Is not a stack problem and there are no previous calls as the
AVFormatContext is initialized just after the object is instantiated.
Buffer underflow?? va_list?? We're no speaking the same language.
Meanwhile thanx
Franco
>
>
> Francesco Pellegrino.
>
> >>
> >> >Hi to all,
> >> >I have a AVFormatContext * m_context; as private member of my encoder
> >> class
> >> >named MovieRecorder.
> >> >This piece of code give me a segmentation fault:
> > > >
> > > > // allocate output media context
> > > > assert( !m_context );
> > > > m_context = av_alloc_format_context();
> > > > if ( !m_context ) {
> > > > LOG_ERR("MovieRecorderBase::FFmpegOpenMovie(): Cannot allocate
> > > >format context.");
> > > > return;
> > > > }
> > > >
> > > >This is done in a routine.
> > > >The assert already cause the termination of my program and If I
> comment it
> > > I
> > > >get a segmentation fault from av_alloc_format_context();
> > >
> > > What kind of architecture are you using (OS, uP)?
> > > Did you compiled source code from repository?
> > > If yes, witch compiler did you used?
> >
> >
> > I'm working under Linux Opensuse 10.2 intel core duo.
> > Gcc compiler. The strange behavior is that if I move the piece of code in
> > another member function of my class I don't get the error....
> > I am really confused
> >
> > >
> > >
> > >
> > > Francesco Pellegrino.
> >
> > Franco
> >
> > >
> > >
> > > _______________________________________________
> > > libav-user mailing list
> > > [email protected]
> > > https://lists.mplayerhq.hu/mailman/listinfo/libav-user
> > >
> > >
> >
> >
> > --
> > Franco Amato
> > _______________________________________________
> > libav-user mailing list
> > [email protected]
> > https://lists.mplayerhq.hu/mailman/listinfo/libav-user
>
>
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>
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