[FFmpeg-user] 2 pass CBR or VBR not really fixing the bitrate?
george at nsup.org
Mon Jul 31 11:39:21 EEST 2017
Le duodi 12 thermidor, an CCXXV, Manuel Tiglio a écrit :
> If you want to stream and build ladders you want to control the peak
> bitrate, not just the average. That’s the point that I was trying to
Not exactly. Clients have a limited buffering ability, and what you need
to control is the average bitrate over the duration of the buffer.
And two-pass encoding is not meant for that. Two-pass encoding is meant
to optimize the bitrate globally, for when you want to fit a movie on
exactly 2×700 mega-octets so you can burn it on a pair of CD-R.
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