[Ffmpeg-devel] Re: Compilation Issue

Måns Rullgård mru
Tue Sep 27 17:20:33 CEST 2005

Martin Boehme <boehme at inb.uni-luebeck.de> writes:

> M?ns Rullg?rd wrote:
>> Martin Boehme <boehme at inb.uni-luebeck.de> writes:
>>>Rich Felker wrote:
>>>>On Mon, Sep 26, 2005 at 12:48:02PM +0200, Martin Boehme wrote:
>>>>>Usman Bashir wrote:
>>>>>>	I was seeing the file ("ffmpeg.c") in the ffmpeg source. I found
>>>>>>almost all the functions "static", can I replace them with
>>>>>>instance/normal functions. As I think so it will increase the size of
>>>>>>run time image.
>>>>>Don't understand what you're proposing here, but these functions
>>>>>are static because they are only needed in ffmpeg.c. This file is
>>>>>an executable, not part of the library.
>>>>I get the feeling the original poster doesn't understand the C
>>>>language much at all, and has little/no idea what static means.
>>>Well, that explanation would certainly be consistent with the data... ;-)
>> He's probably thinking of Java.
> Yeah, makes sense... though I still don't see why non-static member
> functions should be _smaller_ than static member functions -- is this
> the case for some obscure reason? (Have to admit I don't know a lot
> about Java's internals.)

That's not the case.  Behind the scenes, every non-static function
gets passed a pointer to "this" along with the visible arguments.
Apart from that, there is no difference between static and non-static
functions.  (My job involves work on a JVM, so I might know something
about it.)

M?ns Rullg?rd
mru at inprovide.com

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