dvgrab does not write an output file

Mark Phillips <[email protected]> Tue, 7 Dec 2010 08:39:34 -0700
Newsgroups gmane.comp.video.kino.devel
Message-ID <[email protected]>
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I have been trying to get dvgrab (v 1.3.4) to work with my Debian testing
(Linux version 2.6.32-5-amd64 (Debian 2.6.32-28) ([email protected]) (gcc
version 4.3.5 (Debian 4.3.5-4) )) and I can't seem to get it to grab the
video from my camera over firewire. It starts the camera says it is grabbing
video, but never writes a file with the video to my hard disk. Running
dvgrab as a normal user occasionally gives me a segmentation fault. Even
running it as root does not create an output file.

A typical run:
orca:/home/mark/Movies/Savage/
clips# dvgrab -f dv2 foo-
Found AV/C device with GUID 0x0800460102561c47
Waiting for DV...

"": damaged frame near: timecode ??:??:??.?? date ????.??.?? ??:??:??
 This means that there were missing or invalid FireWire packets.

......quite a few of these as the camera starts and comes up to speed. Once
the camera is up to speed, they stop. I assume (perhaps incorrectly?) that
these are just due to the camera motor coming up to speed. After running for
a minute and no error messages I hit ctrl-C and get this:

^C"":     0.00 MiB 0 frames timecode 00:00:00.00 date 2010.12.05 09:10:52
Capture Stopped
Warning: 151 damaged frames.

Thanks!

Mark

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I have been trying to get dvgrab (v 1.3.4) to work with my Debian testing (=
Linux version 2.6.32-5-amd64 (Debian 2.6.32-28) (<a href=3D"mailto:ben@deca=
dent.org.uk" target=3D"_blank">[email protected]</a>) (gcc version 4.3.5 =
(Debian 4.3.5-4) )) and I can&#39;t seem
to get it to grab the video from my camera over firewire. It starts the
camera says it is grabbing video, but never writes a file with the
video to my hard disk. Running dvgrab as a normal user occasionally
gives me a segmentation fault. Even running it as root does not create
an output file. <br>
<br>A typical run:<br><span style=3D"font-family: courier new,monospace;">o=
rca:/home/mark/Movies/Savage/</span><div><span style=3D"font-family: courie=
r new,monospace;">clips# dvgrab -f dv2 foo-</span><br style=3D"font-family:=
 courier new,monospace;">


<span style=3D"font-family: courier new,monospace;">Found AV/C device with =
GUID 0x0800460102561c47</span><br style=3D"font-family: courier new,monospa=
ce;"><span style=3D"font-family: courier new,monospace;">Waiting for DV...<=
/span><br style=3D"font-family: courier new,monospace;">


<br style=3D"font-family: courier new,monospace;"><span style=3D"font-famil=
y: courier new,monospace;">&quot;&quot;: damaged frame near: timecode ??:??=
:??.?? date ????.??.?? ??:??:??</span><br style=3D"font-family: courier new=
,monospace;">


<span style=3D"font-family: courier new,monospace;">
This means that there were missing or invalid FireWire packets.</span><br><=
br>......quite
a few of these as the camera starts and comes up to speed. Once the
camera is up to speed, they stop. I assume (perhaps incorrectly?) that
these are just due to the camera motor coming up to speed. After
running for a minute and no error messages I hit ctrl-C and get this:<br>
<br><span style=3D"font-family: courier new,monospace;">^C&quot;&quot;:=A0=
=A0=A0=A0 0.00 MiB 0 frames timecode 00:00:00.00 date 2010.12.05 09:10:52</=
span><br style=3D"font-family: courier new,monospace;"><span style=3D"font-=
family: courier new,monospace;">Capture Stopped</span><br style=3D"font-fam=
ily: courier new,monospace;">


<span style=3D"font-family: courier new,monospace;">Warning: 151 damaged fr=
ames.</span><br><br>Thanks!<br><br>Mark<br></div>

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