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Date:      Tue, 09 Mar 2004 10:49:11 +0000
From:      Jim Hatfield <subscriber@insignia.com>
To:        freebsd-questions@freebsd.org
Subject:   Re: OT: transcode, ffmpeg, mencoder
Message-ID:  <t28r405s9u3jk9erlip84qflfhmu43marn@4ax.com>
In-Reply-To: <3203DF3DDE57D411AFF4009027B8C367536C83@exchange-uk.isltd.insignia.com>
References:  <3203DF3DDE57D411AFF4009027B8C367536C83@exchange-uk.isltd.insignia.com>

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On Mon, 8 Mar 2004 22:01:35 -0000 , in local.freebsd.questions you
wrote:

>#convert a quicktime file into an mpg
>mencoder -of mpeg -o example.mpg -oac mp3lame -ovc lavc -lavcopts
>vcodec=3Dmpeg1video example.mov
>mencoder -of mpeg -o example.mpg -oac copy -ovc lavc -lavcopts
>vcodec=3Dmpeg1video
>example.mov
>mencoder -of mpeg -o example.mpg -oac pcm -ovc lavc -lavcopts
>vcodec=3Dmpeg1video
>example.mov
>mencoder -of mpeg -o example.mpg -ovc lavc -lavcopts vcodec=3Dmpeg1video
>-oac copy
>example.mov
>
>I am able to get the video, on some of these, but never the audio.

According to www.dvdrhelp.com, audio for vcd needs to be mpeg-1
layer 2, sampled at 44100 Hz and with a bitrate of 224 kbit/sec.

If you use -oac lavc you should be able to use lavcopts acodec=3Dmp2.
The bitrate defaults to 224.




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