[Ffmpeg-devel] Naming conventions

Michel Bardiaux mbardiaux
Tue Mar 6 10:50:06 CET 2007

Luca Barbato wrote:
> Aurelien Jacobs wrote:
>> On Mon, 05 Mar 2007 16:16:16 +0100
>> Panagiotis Issaris <takis.issaris at uhasselt.be> wrote:
>>> I think all agree that all public API functions should be prefixed with
>>> at least "av" and possibly "av_".
>> agree.
> I like av_

"av" would considerably increase the risk of name clashes. IIRC the 
namespace "lowercase alnum" is reserved for the C library.


> I'm undecided, both av_action_type or av_type_action sound fine, as log
> we have the notation compact.

av_type_action is better, it goes from the general to the particular, 
which is what we do rather naturally with versions:


>> IMO, the first thing to do before any change is to write a clear naming
>> policy document and enforce it for any new function added to the public
>> API.

Because of the global namespace of the 'nix linkers, there must be rules 
for *all* functions not static.

Just for 2 eurocents: what we use here for internal APIs is to simply 
mark the names with K for "kernel"; we use captitalization rather than 
underscores so we have


Mind you, I am *not* proposing capitalization for ffmpeg! So it would be 

Michel Bardiaux
R&D Director
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