[Ffmpeg-devel] [PATCH] AVOption defaults sync

[Måns Rullgård]

Baptiste Coudurier said:
> Panagiotis Issaris wrote:
>> [...]
>> Well, the MPEG-4 codec is used by default, so I would assume it would
>> be most interesting to give it a "good" value for MPEG-4 encoding, and
>> ignore f.e. the DVD specs. If one wants DVD compliance, one will most
>> likely use the -target (pal|ntsc)-dvd anyway. Remains to be seen what
>> a "good" GOP size for MPEG-4 would be... :)
>>
>> I vaguely recall someone doing tests altering various libavcodec encoding
>> parameters and comparing the resulting visual quality and/or PSNR. I could
>> search and have a look at that, but I'm not sure if it is still relevant.
>> I think I saw this webpage some years ago, and FFmpeg's MPEG-4 encoding
>> might
>> have changed considerably. Would it be a good idea to look at it, or would
>> it not be relevant anymore?
>>
>
> I also recall of an idea to have defaults for each codec. That would
> definitely be a great solution.

I started looking at that some months ago.  It was complicated by the was
ffmpeg.c handles options, and then other things took priority.  I'll revisit
the idea after these option handling changes get committed.

-- 
M?ns Rullg?rd
mru at inprovide.com