[FFmpeg-user] [Bulk] FFmpeg syntax for Youtube specs (help)

Christian Ebert blacktrash at gmx.net
Mon Sep 24 14:47:05 CEST 2012


* Andy Civil on Monday, September 24, 2012 at 08:32:34 -0400
> On 2012-09-24 6:56 AM, Christian Ebert wrote:
>> * Tim Nicholson on Monday, September 24, 2012 at 08:34:21 +0100
>>> The english link is:-
>>> http://support.google.com/youtube/bin/static.py?hl=en&guide=1728585&topic=1728573&page=guide.cs
>> 
>>| Closed GOP. GOP of half the frame rate.
>> 
>> Half the frame rate? keyint=12 for 25 fps? Or do they mean half
>> the frame rate in seconds, i.e. keyint=125 for 25 fps?
> 
> Surely the only sane interpretation would be that the GOP would be at
> most half a second, but obviously measured in frames. (i.e. your first
> example)

I can't comment on my sanity, I'm just surprised, the ffmpeg
default being 250.

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