[Ffmpeg-devel] [PATCH] Update docs according to new "ab" parameter unit

Måns Rullgård mans
Tue Mar 6 11:06:23 CET 2007


Benoit Fouet said:
> Hi,
>
> Michel Bardiaux wrote:
>> Benoit Fouet wrote:
>>> Hi Takis,
>>>
>> [snip]
>>
>>>>
>>> well, if you update this, you have also to change "-b" to "-vb"
>>> in fact, the behaviour now is that one:
>>> - "ab" option sets audio bitrate
>>> - "vb" option sets video bitrate
>>> - "b" option sets both
>>> so, if we have on the same line a "ab" option followed by a "b"
>>> option... the latter will overwrite the former...
>>>
>> Is this *really* what we want? This new meaning for -b will break
>> *every* example in the archives, every script using ffmpeg,... in a
>> not-so-obvious way. It might be better to remove with -b entirely.
>
> should have been a great idea to have those remarks in the dedicated
> thread, when i exposed it :)
> i cannot see an easy way to get rid of "b" option, though...
> and if you want the same bitrate for audio and video, it is quite useful
> too to handle "b" option...

Wanting the same audio and video bitrate seems rather unlikely to me.
I don't think having a shorthand for such a bizarre coincidence is
really warranted.

-- 
M?ns Rullg?rd
mans at mansr.com




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