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I wrote about learning from a file transfer fixity error, python scripts, embedded
#FFV1 checksums, error correction and@BAVCPreserve#QCTools! https://kieranjol.wordpress.com/2018/03/29/learning-through-fixity-errors/ …pic.twitter.com/eiIjVTKFDM
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Kieran O'Leary Retweeted
Thread: a day in the life of
@BFI National Archive#digipres using#FOSS@FFmpeg@MediaArea_Net#RAWcooked@MatroskaOrg to 1) preserve and 2) (yay) save cash...Show this threadThanks. Twitter will use this to make your timeline better. UndoUndo -
Kieran O'Leary Retweeted
So 6.3 TB data size reduction. But of course we store two instances, in two data tape libraries, so it’s really 12.6 TB storage cost saving. LTO6 yields 2.8 TB usable capacity, so in one day, using
#FOSS, we saved 4 LTO data tapes. If we repeat each day, one month = 120 tapes.
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Kieran O'Leary Retweeted
Delighted that
@IFI_Dub#IFIArchive was awarded funding to preserve work by@MargoHarkin@TrishMcAdam and Anne Crilly.https://twitter.com/BAItweets/status/1219571669850820609 …Thanks. Twitter will use this to make your timeline better. UndoUndo -
Kieran O'Leary Retweeted
We now have the auto-generated subtitle data from YouTube for
#nttw4 vids & need volunteers to clean it up, otherwise it looks like@genevieve_hk is listening to@mcnatch bragging about how "we speak Baraka King quail of DPX". DM's open, so if you want to volunteer hmu.pic.twitter.com/x5GrPzwcYo
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Kieran O'Leary Retweeted
Today's absurd work activity: emulating a VHS repair catalog program from 1996 in DOSBox to get information about belt replacement models for old VHS players Did I mention that I love this job?pic.twitter.com/65YaUyaYgI
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My tamagotchi is OK! There were four poos stacked up, much sickness, hunger and unhappiness but things are looking up!pic.twitter.com/ngj9j2KhKW
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Thanks to sympathetic commenters, I now realise that tamagotchi is still fairly digipres related content..https://twitter.com/kieranjol/status/1220662684867334146 …
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I tend to keep my account purely about digital preservation, but I thought that I'd share something personal. I left my tamagotchi at home today and it will die and that sucks. They always die but this was a particularly cute one. OK back to digipres!
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Kieran O'Leary Retweeted
There is a strong link between gender inequality and childcare in Ireland. Here I argue for free childcare. Share if you agree.
#freechildcare@lindabtweetinghttps://www.rte.ie/brainstorm/2020/0123/1110371-free-childcare-ireland-election-2020/ …Show this threadThanks. Twitter will use this to make your timeline better. UndoUndo -
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I really need to write tests ASAP: Upgrading from Python 3.7.4 to 3.8.0 resulted in our accession scripts breaking due to a change in how dictionaries are handled: https://docs.python.org/3/whatsnew/3.8.html#collections … but this fix handles both versions:https://github.com/kieranjol/IFIscripts/commit/c6eedd9ec0821b7108f7a93f81bf043a6cb53d20 …
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Kieran O'Leary Retweeted
As of today, we have about eighteen years to go until the Y2038 problem occurs.
But the Y2038 problem will be giving us headaches long, long before 2038 arrives.
I'd like to tell you a story about this.Show this threadThanks. Twitter will use this to make your timeline better. UndoUndo -
Kieran O'Leary Retweeted
Linux vrecord users - is anybody using
#rhel/#centos or#fedora? I've created a RPM recipe for it, and also COPR repo with readymade package. Testing appreciated!https://github.com/NFAcz/vrecord-rpm …Show this threadThanks. Twitter will use this to make your timeline better. UndoUndo -
Kieran O'Leary Retweeted
Hey
#LibraryTwitter are you an actively practicing cataloger? If so, you should consider participating in my dissertation research! You will get a $30 gift card and my eternal gratitude. More information and a pre-screening survey are available here:https://forms.gle/JpeqCCs4RrrDKoaA6 …Thanks. Twitter will use this to make your timeline better. UndoUndo -
Kieran O'Leary Retweeted
Delighted to have finished my review of
@nttwconf#nttw4 a month later than intended! I've not given it a once over yet, so apologies for typos! Thank you thank you thank you@MediaArea_Net@dericed and all the wonderful people involved!https://digitensions.home.blog/2020/01/12/nttw4-budapest/ …Thanks. Twitter will use this to make your timeline better. UndoUndo -
Kieran O'Leary Retweeted
Amazing datasize reduction from the lossless compression in
@MediaArea_Net's#RAWcooked.. Source DPX folder = 200GB on disk, cooked FFV1 MKV = 80GB...#FOSS#digipres with £££ saving for storage, reduced network impact for ingest, 1 file instead of 15,000.


pic.twitter.com/YJFIB7vK8X
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Kieran O'Leary Retweeted
Updated my 2011-era ffmpeg patch adding support for the CDToons codec, and finally submitted it. It's a QuickTime codec used in many old Brøderbund games and uses *sprites*, which I guess can be size-efficient *and* lossless. I mean, all your source material is 8bpp, right?pic.twitter.com/OPGprpVTyk
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Btw the DCI spec is just not detailed enough to do proper qc, we need these
@smpteconnect to have a greater confidence!Show this threadThanks. Twitter will use this to make your timeline better. UndoUndo -
About to buy a bunch of DCDM specs, seems like getting them as ISO standards is much cheaper than from IEEE/SMPTE? Any help here welcome. Getting: Image characteristics, audio characteristics, additional frame rates, audio channel mapping. Any other recommendations?
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Kieran O'Leary Retweeted
.
@intel has been submitting patches to FFmpeg for the last few years. Noteworthy due to the small number of contributions we get from other large corporate users. Would be good to see others doing the same.Thanks. Twitter will use this to make your timeline better. UndoUndo
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