Date: Wed, 20 Dec 2006 00:54:53 +0100 From: usleepless@gmail.com To: "Stephen Hocking" <stephen.hocking@gmail.com> Cc: Greg 'groggy' Lehey <grog@freebsd.org>, multimedia@freebsd.org Subject: Re: MythTV (was: Possible FreeBSD port?) Message-ID: <c39ec84c0612191554v280ddc3bq4493ebdecb3b8de@mail.gmail.com> In-Reply-To: <6300771b0612191524y64af793cy10f9bff4193536c7@mail.gmail.com> References: <6300771b0612181401i72e7cc58ta08e12de8d68d4d0@mail.gmail.com> <20061218232247.GQ4364@wantadilla.lemis.com> <6300771b0612181533m6ece3f38p379c78a75912d10d@mail.gmail.com> <6300771b0612181534h3158342aw554869660fc707ea@mail.gmail.com> <20061218234041.GU4364@wantadilla.lemis.com> <c39ec84c0612190937u572ff6bco28606f54645275a5@mail.gmail.com> <20061219224005.GC4364@wantadilla.lemis.com> <c39ec84c0612191509w6a5ccf10iedb640bb8dacef1c@mail.gmail.com> <6300771b0612191524y64af793cy10f9bff4193536c7@mail.gmail.com>
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Stephen, On 12/20/06, Stephen Hocking <stephen.hocking@gmail.com> wrote: > On 12/20/06, usleepless@gmail.com <usleepless@gmail.com> wrote: > > > > > > i did not make a port, but i am willing to help. but if people are > > interested in a 0.18-fixes-postgresql-heavily-modified port of mythtv, > > let me know. if there is enough interest we might pull it off. > > > > but i got the impression of the list that only the most recent version > > of mythtv is worth aiming for ( i have no need to go to .19 or .20 ) > > > > I think that you're probably right as regards the versions, but have you > thought of pushing your patches back to the maintainers > of MythTV? > > Stephen thank you for asking. are you subscribed to any of the mythtv lists? i am. they don't want to talk about changes to the database-layer: they don't think the database is important and would rather have nothing to do with sql. when i proposed to make mythtv cross-database-compatible ( mysql, postgresql, mssql etc ), they responded with "we might move to a embedded db like firebird"?. shutting off postgresql totally. furthermore, the interprocess-communication in mythtv is horrific, mostly busy wait loops, which makes a context-switching-hell. unfortunatly mythtv developers lack essential db and ipc skills. the abstraction is pretty good though. they are hunting ghosts too: in the mailing lists "hickups" are discussed regulary: they are fiddling with process priorities between frontend and database/backend. at the same time they throw immense queries to the db which could be so much more efficient with a proper datamodel. for my own install, i implented a "settings cache" even before they did! before this, every setting was queried from the db _everytime_ it was used (ie: roundtrips all the time ). sorry for the rant, but i don't have the energy to "evangelize" the mythtv-developers. i just maintain my own version. if people on fbsd-mm are interested, i am willing to commit and make a port out of it. but it is: - 0.18-fixes - postgresql, no mysql - i am not fixing what doesn't work ( but most stuff works excellent ) i am under the impression that most of the changes in .19 and .20 are digital-broadcast-specific. this is of no interest to me: i am running on 2 pvr500s. regards, usleep
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