l i n u x - u s e r s - g r o u p - o f - d a v i s
Next Meeting:
July 7: Social gathering
Next Installfest:
Latest News:
Jun. 14: June LUGOD meeting cancelled
Page last updated:
2003 Oct 15 09:13

The following is an archive of a post made to our 'vox-tech mailing list' by one of its subscribers.

Report this post as spam:

(Enter your email address)
Re: [vox-tech] ripping video: wierd interleaving effect on fastmotion
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [vox-tech] ripping video: wierd interleaving effect on fastmotion


I'm jumping into this conversation late, but here are my  2 cents.

1. I have a KWorld el-generico TV tuner that works just fine with
bttv and xawtv.  I believe it is the same chipset that comes in the
Haupaggue (spelling?) cards. I love xawtv.  It is one of the _killer apps_
for sure.  I configured all the settings in .xawtv and got exactly the
TV in a window while I'm reading my e-mail I was looking for.

2. I've tried serveral combinations of recording with xawtv and mencoder
and ending up with nothing even remotely inspiring.  I always hoped I
could write scripts called by cron to do some serious command line
PVRing, but haven't gotten close yet.  It's got to be possible, right?
That's what TIVO is all about: Linux with a TV Card, a nice case, some
specialized software, and a remote control.

3. Here is the part I don't get!  These cards are supposed to do HARDWARE
MPEG 1 and 2 encoding.  Savign to AVI and then re-encoding into some MPEG
format seems like ripping MP3s into WAV and then back out to OGG.  I admit
I don't get how any of this works, but shouldn't it be more straigtforward
to just _catch_ the already encoded MPEG data and put it somewhere???

Dave M.

On Tue, 14 Oct 2003 p@dirac.org wrote:

> hi all,
> ok, i ripped a southpark video with:
>    System: AMD Athlon 1.3GHz
>            2.4.22 w/ low latency
>            Radeon QD
>            very unloaded machine
>    name:         southpark1.avi
>    ripper:       xawtv -noxv
>    audio format: 8bit mono
>    sample rate:  44100
>    video format: 24bit TrueColor (LE: bgr)
>    fps:          30
>    video size:   384x288
> the next step is to compress/encode it.
> however, i first tried to watch the avi with mplayer.  the quality was
> bad.  whenever there was fast motion, it looked like the areas with fast
> motion had white horizontal lines interleaved with the normal video.
> mplayer gave output which looks like it's related to this problem:
>    badly interleaved AVI file.  switching to -ni mode.
> i'm not sure what to do.  i don't think it's a matter of my system not
> being powerful enough.  i did tests at low fps of a few seconds of
> video, and got the same "interleaved" effect.  it was actually worse at
> lower fps.
> and there really aren't that many options with xawtv.  i've played with
> fps, sample rate, and video format.  nothing seems to help.
> in xawtv, there are options to save as "single file raw video" and
> "apple quicktime" format.  i take it these are container formats that
> sam was talking about.
> any suggestions?
> thanks!
> pete
> --
> GPG Instructions: http://www.dirac.org/linux/gpg
> GPG Fingerprint: B9F1 6CF3 47C4 7CD8 D33E 70A9 A3B9 1945 67EA 951D
> _______________________________________________
> vox-tech mailing list
> vox-tech@lists.lugod.org
> http://lists.lugod.org/mailman/listinfo/vox-tech

vox-tech mailing list

LUGOD Group on LinkedIn
Sign up for LUGOD event announcements
Your email address:
LUGOD Group on Facebook
'Like' LUGOD on Facebook:

Hosting provided by:
Sunset Systems
Sunset Systems offers preconfigured Linux systems, remote system administration and custom software development.

LUGOD: Linux Users' Group of Davis
PO Box 2082, Davis, CA 95617
Contact Us

LUGOD is a 501(c)7 non-profit organization
based in Davis, California
and serving the Sacramento area.
"Linux" is a trademark of Linus Torvalds.

Sponsored in part by:
O'Reilly and Associates
For numerous book donations.