[FFmpeg-user] Converting for YouTube

[Cecil Westerhof]

Op woensdag 17 aug 2011 20:42 CEST schreef bouke at editb.nl:

>> I want to convert my video's for YouTube. At the moment I am using:
>> ffmpeg -i input.MOV -ar 22050 -acodec libmp3lame -ab 32k -r 25 -vcodec
>> flv -s vga -qscale 2.5 output.flv
>>
>> This seems to work, but still gives quit big files. 35 MB for 1:48.
>> Input file is 89 MB.
>>
>> So I was wondering: is there a better way?
>
> For youtube one normally only preprocess.
> De-interlace, crop and set correct aspect ratio.
> Youtube will always recompress, so introducing compression artefacts is a
> big no-no.
> IOW, upload the biggest file your bandwith allows.

I understood that when you preprocess you do not have the risk that
YouTube converts wrongly.

Today I made a 3½ minute video. This was 169 MB big and took almost an
hour to upload. The converted (24 MB) took 8 minutes. So I think I'll
keep converting. It looked okay, but if someone has better parameters…

-- 
Cecil Westerhof
Senior Software Engineer
LinkedIn: http://www.linkedin.com/in/cecilwesterhof