[FFmpeg-devel] [PATCH] av_log_missing_feature_once

[Alexander Strange]

On Mar 18, 2010, at 9:23 PM, Michael Niedermayer wrote:

> On Thu, Mar 18, 2010 at 05:45:41PM -0400, Alexander Strange wrote:
>> This prevents HE-AACv2 files from printing warnings about parametric stereo constantly.
>> 
>> It was suggested that every av_log_missing_feature call should only happen once, but that would mean adding a variable for each one (whether static or a context variable) and I think most of them are rare anyway.
>> 
> 
> i think we need a context variable, a function like in this patch that
> simplifies it is of course a good idea.
> but without such variable it is printed just once in the lifetime of an
> application. This is all fine for a application that plays one file once
> but something like xmms that may run for months really would misbehave quite
> a bit.

Here it is with a context variable.

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