[MPlayer-users] [BUG] mencoder cannot encode to the required bitrate

[陆然]

Hi,

On Sunday 03 September 2006 10:43, Corey Hickey wrote:
> Your original video was soft telecined. The video you uploaded should
> have been encoded with '-ofps 24000/1001'. That's why there were so many
>  "duplicate frames" messages. Large numbers of duplicate frames make
> lavc's ratecontrol aim too low, since lavc never actually sees those
> duplicates. That's why you thought '-vf harddup' fixed the problem,
> since harddup actually encodes duplicate frames rather than leaving them
> empty. Harddup is not the right thing to do, here. There's no good way
> to fix your rate_control.avi, so you should re-encode it from the source
> (a DVD?) and make sure to use '-ofps 24000/1001' this time.

The source is an mov HDTV with H264 video. And yes, when I encoded the source 
with '-ofps 24000/1001' it gave me the expected bitrate :)

-- 
Best Regards,
LR