[FFmpeg-devel] [PATCH] make av_get_bit_rate part of public API

Michael Niedermayer michaelni
Fri Nov 27 19:39:18 CET 2009

On Fri, Nov 27, 2009 at 01:32:19PM +0100, Robert Kr?ger wrote:
> On 25.11.2009, at 01:28, Michael Niedermayer wrote:
>> On Sat, Nov 21, 2009 at 03:10:38PM +0100, Robert Kr?ger wrote:
>>> Hi,
>>> this patch adds a prototype for av_get_bit_rate (implemented in
>>> libavcodec/utils.c) to avcodec.h.
>> why is AVCodecContext.bit_rate not set?
> you mean instead of returning it or do both, return the value and set it in 
> AVCodecContext (in the audio case because in all others it is taken as the 
> source of this information)?
> The primary reason I didn't set it was that I attempted a refactoring, i.e. 
> didn't want to change behaviour. if you say it makes sense to set it there, 
> the next question would be, where it is called because it seems a bit 
> strange to have the field set as a side effect of calling something like 
> avcodec_string. I don't know enough about ffmpeg or libav yet to decide 
> where that would make sense. 

> However, if it would happen in some 
> initialization code which is typically called before someone obtains an 
> AVCodecContext pointer, there would be no reason to have this function in 
> the API (which I personally would also be OK with as my main motivation for 
> the changes is to have libav expose the same bit rate information via API 
> that ffmpeg shows as output on the command line).

yes, id like to have bit_rate set correctly instead of not and then have
a function that provides the correct value.


Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

I am the wisest man alive, for I know one thing, and that is that I know
nothing. -- Socrates
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