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Date:      Wed, 15 Jan 2003 14:38:27 +0900
From:      Hidetoshi Shimokawa <simokawa@sat.t.u-tokyo.ac.jp>
To:        "Petr Holub" <hopet@ics.muni.cz>
Cc:        <freebsd-firewire@FreeBSD.ORG>, <ikob@FreeBSD.ORG>, <akimichi@sfc.wide.ad.jp>
Subject:   Re: reading from /dev/fw0?
Message-ID:  <ybs3cnv0y7g.wl@ett.sat.t.u-tokyo.ac.jp>
In-Reply-To: <004d01c2bbe5$efda4800$2603fb93@kloboucek>
References:  <ybs8yxt3426.wl@ett.sat.t.u-tokyo.ac.jp> <004d01c2bbe5$efda4800$2603fb93@kloboucek>

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At Tue, 14 Jan 2003 16:59:36 +0100,
Petr Holub wrote:
> 
> > I wrote small utility which dumps DV stream to a file.
> > The resulting file can be decoded or viewed with libdv(and playdv)
> > in ports collection.
> > 
> > http://people.freebsd.org/~simokawa/firewire/dvrec-20030110.tar.gz
> 
> Seems to work great! I've changed NBLOCKS to work with PAL
> and changed several includes to work in RC2.
> 
> The only problem I have now is with playdv from libdv:
> - when using gtk display it's slow (around 20 fps on 1.2 GHz Athlon)
>   and therefore sound gets distorted
> - when using SDL sound is OK but video is approx 1.5 faster than
>   it should be
> - when playing just audio (--disable-video), it's OK.
> Is that some problem with libdv/playdv or is it something missing in
> the DV stream? (Some timing info?)

I have several problems with playdv too.
(XVideo cannot be used. I give up...)

I believe DV stream is OK because I wrote sending part
and DVcam can play a recorded stream without problem.

http://people.freebsd.org/~simokawa/firewire/dv-20030115.tar.gz

This should be complied and run on latest -current.

To work with PAL, you have to recompile kernel module with the
following patch.

RCS file: /home/ncvs/src/sys/modules/firewire/firewire/Makefile,v
retrieving revision 1.5
diff -u -r1.5 Makefile
--- Makefile	4 Jan 2003 10:21:11 -0000	1.5
+++ Makefile	15 Jan 2003 05:31:16 -0000
@@ -13,5 +13,7 @@
 
 EXPORT_SYMS= YES
 
+CFLAGS+=	-DDV_PAL=1
+
 .include <bsd.kmod.mk>
 
/\ Hidetoshi Shimokawa
\/  simokawa@sat.t.u-tokyo.ac.jp
PGP public key: http://www.sat.t.u-tokyo.ac.jp/~simokawa/pgp.html

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