[Libav-user] How to estimate output bitrate

[YIRAN LI]

2016-11-29 22:16 GMT+11:00 Carl Eugen Hoyos <ceffmpeg at gmail.com>:

> 2016-11-29 1:58 GMT+01:00 YIRAN LI <mrfun.china at gmail.com>:
>
> > For example if my input is a 500kbps, 640x480 video, will setting average
> > output bitrate to 1000kbps enough?
>
> Enough for what?
>
> I don't think your question can be answered.
>
> ​Hi Carl, I mean to select an appropriate output bitrate so that output
video has almost same visual quality as input. (I know I can use quality
scale but I just want to know if I can do it with average bitrate).

Thanks
​


> Carl Eugen
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