From owner-freebsd-multimedia  Sun Feb 15 15:20:17 1998
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Date: Sun, 15 Feb 1998 15:10:40 -0800
From: Tristan Savatier <tristan@mpegtv.com>
Organization: MpegTV, http://www.mpegtv.com
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To: hasty@rah.star-gate.com, brian@worldcontrol.com, multimedia@FreeBSD.ORG
Subject: Re: VideoCD (VCD) on freeBSD
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MpegTV Player (mtv/mtvp) can play VCDs directly (on Linux).

The best solution would be to use it on FreeBSD with the Linux
emulation.

The requirements are:

1) The clone system-call is needed (mtvp is now multithreaded).
I had reports that clone is not available (yet) on freeBSD.

2) the following ioctl should be implemented for reading mode2 form2
sectors of CDROM-XA:

CDROMREADTOCHDR
CDROMREADTOCENTRY
CDROMREADRAW

Note: Those ioctl are included in the latest Linux development
kernels.

-t

> > Now, sorry to pester you about the Green Book and VideoCD stuff we 
> > can really use something to read those CD formats;specially, now days
> > with the PII getting so cheap .
> 
> Here is what I have been thinking:
> 
>    I have read that CDD will read the mode 2 form 2 "tracks" 
>    of a CD.
> 
>    So I could write a library/filter (distributed in object form) that
>    does the following:
> 
>        cdd whatever | myfilter | [now you get MPEG 1 system stream ]
>           | toyourfavorite MPEG 1 stream player
> 
> Would this be satisfactory?
> And does CDD work as advertised?
> 
> Also, haven't "we" been reading those formats for awhile?
>
>Yeap, that will the trick if cdd or tosha can't read mode form track
>I can modify the programs to do it.
>
>        Tnks,
>        Amancio

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