Title: RE: [Mjpeg-users] help - lavrec problems

> -----Original Message-----
> From: Steven Boswell [mailto:[EMAIL PROTECTED]]
> Sent: Wednesday, January 22, 2003 5:47 PM
> To: [EMAIL PROTECTED]
> Subject: Re: [Mjpeg-users] help - lavrec problems
>
>
> >>"Error reading audio: ....  Reason: Error Audio ring buffer
> overflow"
> >>errors.
> >
> >What sound card do you have?  Please don't say "the one built into my
> >VIA mobo" :-)
>
> OK, I won't say it.  LOL

Okay, if those cards are so bad, what would be good one or is there list of aproved sound cards?

 
> >>Does anyone know what is going on here?
> >
> >No, but with -d 1 much above -q 50 I get dropped frames.
>
> That's the main reason I stopped using lavrec for doing my recordings.
> My CPU just isn't fast enough to do 100% JPEG compression of incoming
> frames in real time, and I'm not willing to give up that quality.
>
> I use xawtv's streamer to do my recording, then run yuv2lav as a
> post-processing step.  I've posted a patch that adds a -w option to
> yuv2lav, that allows audio to be added to the LAV files at the same
> time as the video.  (I'll be putting it into CVS soon.)
>
> Here's the script I use to record all of my VCDs.
>

I'll try it but question, what version of xawtv do you use? marvels page on sourceforge has patches up to 3.74, which I've been trying to use and did not like.

> ----------
> #!/bin/bash
>
> renice 0 $$
>
> streamer -r 29.97 -s 704x480 -t 3:00:00 -n ntsc -i S-Video -f 4mpeg \
>   -F stereo -b 64 -O stream.wav \
>  | yuvscaler -v 0 -M BICUBIC -O VCD -n n > stream.yuv
> echo
>
> renice 5 $$
> yuv2lav -f a -q 100 -b 1024 -w stream.wav -s 30500 -o %02d.avi \
>  < stream.yuv
> rm -f stream.wav stream.yuv
> ----------
>
> Ths -s option is something I haven't shown to anyone else
> yet; it tells
> yuv2lav to get rid of every 30,500th video frame, in order to get my
> audio to sync up with my video.  (That's what you get when your audio
> device & video device aren't driven by the same crystal.)
>
> Steven Boswell
> [EMAIL PROTECTED]
>
>
>
>
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