[MEncoder-users] Mencoder adding AVI file header to MPEG2 capture from V4L device?
keenerb at roleplayga.org
Fri Jun 10 22:30:44 CEST 2005
Nico Sabbi wrote:
> Brian Keener wrote:
>> I already had -vf harddup; added noskip and set a low keyint, and I
>> still get an initial spurt of about 30 "initial delay of 0 frames",
>> nothing else, and hideous a/v sync.
>> The real odd part is that it captured fine without the "-of mpeg"
>> option, and reports no skipped frames at the end.
>> Brian K
> if the following is your command line I can guess why: you are using
> lame in vbr more.
> At the moment the mpeg muxer can only mux cbr audio; my version at
> home can already
> save correctly vbr audio (mp3/mp2/aac/ac3),
> but there are still a couple of minor things to fix. In the meantime
> adding -lameopts cbr should
> solve A/V sync problems.
> Hopefully I'll commit the new muxer in the week-end
I changed mode=1:vbr=1:q=4 to mode=1:vbr=0 according to the
documentation, and now it does nothing but spam the "initial delay of 0
frames" line until I hit ctrl-c.
THis is very complicated.
>> mencoder -fps 30000/1001 -endpos 00:00:05 -oac mp3lame -ovc lavc
>> -lameopts mode=1:vbr=1:q=4 -lavcopts vcodec=mpeg2video:vbitrate=6000
>> -vf harddup -af volume=-1 -o tv.mpg tv://
> MEncoder-users mailing list
> MEncoder-users at mplayerhq.hu
More information about the MEncoder-users