From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 16 Feb 2009 14:42:07 +0000 From: Eris Discordia To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net> Message-ID: In-Reply-To: <49995880.405@proweb.co.uk> References: <4996E472.5010905@proweb.co.uk> <245FD45C87AA3D8874EE92CD@[192.168.1.2]> <49995880.405@proweb.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline Subject: Re: [9fans] Venti by another name Topicbox-Message-UUID: a193e3f0-ead4-11e9-9d60-3106f5b1d025 > I'll know soon enough as I'm in the process of building a Venti store for > our video files. I just wondered if anyone had done it already. That kindles in me the bystander's interest. It'd be nice of you to report back on results. --On Monday, February 16, 2009 12:13 PM +0000 matt wrote: > >> >> Can any lossless compression scheme improve on {J,M}PEG? If multiple >> streams are stored in venti then there may be some common blocks but >> even that should not significantly surpass RAR algorithm's "solid" >> archiving of the same streams. Not that I understand these things. >> > Only if there are shared blocks. Macro blocks in MPEG are 8x8 pixels > which makes them < 32k in size. If you're lucky you might just align them > when written to Venti! > > I'll know soon enough as I'm in the process of building a Venti store for > our video files. I just wondered if anyone had done it already. > > I doubt there's much in it. > > Matt >