[MEncoder-users] Encoding high bitrate wmv to low bitrate wmv (Windows Mobile Devices)

Phil Ehrens phil at slug.org
Wed Mar 7 21:19:27 CET 2007


Eric Martell wrote:
> Hi RC, 
>   Sorry for top posting. I am attaching the urls for
> original wmv,encoded wmv and log file here. This is
> the command I use to encode from high bitrate to low
> bitrate wmv.
>   
> $mencoder FLN0302W.wmv -of lavf -lavfopts
> i_certify_that_my_video_stream_does_not_use_b_frames
> -ofps 7 -ovc lavc -oac lavc -lavcopts
> vcodec=wmv1:vbitrate=30:aspect=4/3:acodec=mp3:abitrate=48
> -vf scale=176:132 -o output1.wmv
> 
> In the log file it outputs
> Video stream:   36.739 kbit/s  (4592 B/s)  size:
> 533371 bytes  116.143 secs  1697 frames
> 
> but when I use Windows Media Player (wmplayer) and
> check the properties it shows bitrate > 800 kbs.

533371*8/116.143 = 36738

Your video bitrate is ~37 kbits/s.

Windows Media Player is broken.



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