[MPlayer-users] B Frames and RCA Lyra

Corey Hickey bugfood-ml at fatooh.org
Wed Nov 15 03:22:05 CET 2006


Joshua Stone wrote:
>>From the acidrip debug log:
> 
> [snip]
> AcidRip message - Running mencoder dvd://2 -dvd-device /dev/dvd  -alang English   -info srcform="DVD ripped by acidrip.sf.net" -oac lavc -lavcopts acodec=mp3:abitrate=128  -ovc xvid -xvidencopts max_bframes=0:bitrate=2006 -vf pp=de    -o "/home/user/filename.avi"
> [snip]

Please don't top-post.

Anyway, that looks right. Take a look and see if the file actually has 
B-frames. Maybe the error you're getting is incorrect.

$ mplayer file.avi -nosound -benchmark -lavdopts debug=1 -really-quiet \
-vo null 2>&1 | awk '/^\[mpeg4/ {print $5}'

If the above command spits out one or more lines that say 'B', then you 
have B-frames (change file.avi to the name of your file).

You can add '| grep B' to the end of that line if you want, but usually 
if there are any B-frames they'll show up almost immediately in the 
output video.

-Corey



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