[FFmpeg-user] need help encoding for HTML5 video and iphone

Carl Eugen Hoyos cehoyos at ag.or.at
Tue Feb 5 17:54:41 CET 2013

Carl Eugen Hoyos <cehoyos <at> ag.or.at> writes:

> The following are mostly equivalent quality-wise, mpeg4 
> should produce smaller files than mpeg1:
> $ ffmpeg -i input -qscale 2 -acodec ac3 -ab 640k out.mpg

This should have been:
$ ffmpeg -i input -qscale 2 -mbd 2 -acodec ac3 -ab 640k out.mpg

> $ ffmpeg -i input -qscale 2 -vcodec mpeg4 -ab 640k out.avi

Carl Eugen

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