[FFmpeg-devel] [PATCH] add a close function to bitstream filter

Michael Niedermayer michaelni
Mon Sep 3 19:06:25 CEST 2007


Hi

On Mon, Sep 03, 2007 at 03:13:28PM +0200, Benoit Fouet wrote:
> M?ns Rullg?rd wrote:
> > Benoit Fouet wrote:
> >   
> >> Aurelien Jacobs wrote:
> >>     
> >>> On Mon, 03 Sep 2007 14:16:06 +0200
> >>> Benoit Fouet <benoit.fouet at purplelabs.com> wrote:
> >>>       
> >>>> Index: libavcodec/remove_extradata_bsf.c
> >>>> ===================================================================
> >>>> --- libavcodec/remove_extradata_bsf.c	(revision 10287)
> >>>> +++ libavcodec/remove_extradata_bsf.c	(working copy)
> >>>> @@ -52,4 +52,5 @@
> >>>>      "remove_extra",
> >>>>      0,
> >>>>      remove_extradata,
> >>>> +    NULL,
> >>>>  };
> >>>>
> >>>>         
> >>> All those NULLs added to the end of existing bsfs are useless.
> >>>
> >>>
> >>>       
> >> why ?
> >> is there any guarantee that the memory is set to zero for non static
> >> variable ?
> >>     
> >
> > Yes.  All data with static storage duration, i.e. not allocated on the
> > stack, is implicitly initialised as if through an assignment with a
> > constant 0.  This is not necessarily all bits zero, although in practise
> > it always is, and either way is what you want.
> >   
> 
> ok, thanks for the explanation...
> and thanks Aurel for the review
> 
> updated patch attached

ok

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Dictatorship naturally arises out of democracy, and the most aggravated
form of tyranny and slavery out of the most extreme liberty. -- Plato
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