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#mythtv IRC Logs for 2003-05-09

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00:12<Timon>thor_: You here/
00:36<Timon>tarek you here?
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01:45<poptix>"The idea of putting Linux on a Tivo is pretty new to me.. Is this
01:45<poptix>actually possible??"
01:45* poptixsighs
02:05<FryGuy>heh that's funny
02:14<Chutt>"Hi, I want to take my extra high quality hdtv picture, convert it down to svideo crap resolution, stuff it into a tuner card input, and then compress it again."
02:16<Ober>chutt yes
02:16<Ober>any ideas how?
02:16<Ober>:D
02:16* Obernotes mythtv needs to be enhanced to not flake out when the ivtv driver stops working
02:16<Chutt>how?
02:16<Ober>sorry, long day
02:16<Ober>:D
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02:28<poptix>Ober: ivtv driver hasn't been flaking out for me
02:38<hadees>hey i am getting an error Could not find theme: blue when i try to run setup anyone know why its giving me that? (i am on rh9)
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09:20<rkulagow>i think there's some miscalculation in the mythweb code for size:
09:20<rkulagow>The professor invents a ``what if'' machine; guest voice Al Gore. 0 EB
09:20<rkulagow>exabytes?
09:20<Chutt>heh
09:20<Chutt>funny
09:21<Chutt>oh good
09:21<Chutt>bug in the transcoding stuff
09:21<Chutt>i don't feel like fixing bugs in other people's crap anymore
09:22<rkulagow>actual size of the file is "0" bytes.
09:22<Chutt>heh
09:35<Chutt>heh
09:35<Chutt>yet another company writes wanting to sell mythtv with systems
09:38<rkulagow>yeah, i was thinking about it too, but then i realized there are a number of problems: 1) getting "reseller" status so that i'm not paying list and 2) demand. are people actually going to be willing to pay someone they don't know for a $500 piece of hardware. turns out that incorporating in illinois isn't hard at all. ah, well, entreprenurial (sp?) spirit vs. reality.
09:38<Chutt>ahahah
09:38<Chutt>it's a guy that's written into the list with a number of basic compile problems and stuff
09:39<rkulagow>huh. all my 0 byte recordings were on the pvr-250; log has 1000's of lines of
09:39<Chutt>Input/Output error?
09:39<rkulagow>"not enough free buffers!"
09:39<Chutt>ah
09:39<rkulagow>from the ivtv driver
09:39<Chutt>driver fuckup
09:39<rkulagow>yep
09:40<rkulagow>problem is that mythbackend was still running, so it kept getting put in the todo list for recordings. lost 3 of them last night.
09:40<Chutt>i really think all the people buying these cards and expecting everything to work right is quite funny =)
09:40<rkulagow>well, alpha code is alpha code. you takes your chances.
09:41<Chutt>yeah, but no one seems to realize that
09:41<Chutt>i'd say the biggest barrier to selling pre-loaded mythtv systems
09:41<Chutt>would be the listings data
09:42<Chutt>i'm sure TMS would be all over your ass if you tried to sell a product that was screen-scraping their website
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09:42<rkulagow>well, if the double plus secret thing with dd works out then maybe they won't care as much.
09:43<Chutt>if they get their money
09:43<Chutt>sure
09:45<rkulagow>i saw the commit for the disable of the transcode stuff; i ran into a problem where PVR captures, when transcoded to MPEG4 would get the audio speed cut in half. quite amusing, but not terribly useful.
09:45<Chutt>heh
09:45<Chutt>i've never used the stuff
09:45<Chutt>so i really don't want to track down what could be wrong
10:33<Captain_Murdoch_>Chutt: when watching LiveTV or a recording in process, the frontend gets the seektable from the backend right so it can jump forward and backward if need be?
10:34<Captain_Murdoch_>I've been thinking of adding a way for the frontend to also get the current blank frame list from the recorder so commercial skipping could work better in those cases.
10:37<rkulagow>is there also a way that damaged files could have a seektable created for them? i've got a number of files that for various reasons don't have a seektable, so while they're viewable, stuff like commercial skip and FF/REW don't work well...
10:37<Chutt>sure
10:37<rkulagow>(if i write it, right? =) )
10:37<Chutt>yeah
10:37<Chutt>wouldn't be that hard
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10:49<Chutt>for .nuv files, it'd just have to do a header scan
10:49<Chutt>and for .mpg files, it'd have to do something similar to what the recorder does
10:49<Chutt>essentially a header scan
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12:14<rkulagow>hrmm. if a slave creates a recording to a shared NFS spool directory and then the slave isn't running the master won't serve the file, and you also can't delete it in mythweb.
12:17<rkulagow>boolean: override backend and use master ?
12:19<moegreen>http://untzuntz.com/mythtv/testing/MythUITheme.pdf
12:20<moegreen>or an bloat MS word version http://untzuntz.com/mythtv/testing/themeguide.html
12:20<moegreen>err 'a bloated'
12:20-!-eKIK [~eKIK@regulus2.student.UU.SE] has joined #mythtv
12:21<eKIK>In desperate need of help...have anyone gotten a Hauppauge WinTV to work with DScaler regarding the Audio?
12:22<eKIK>Or has anyone the slightest idea of how to get it to work...I'm lost
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12:22<Chutt>eKIK, err, why would you ask about dscaler in here?
12:23<rkulagow>this probably isn't the place to ask about DScaler
12:23<setre>Hi, I am getting a lot of VIDIOSYNC0: Invalid argument from my mythbackend
12:23<setre>what could be wrong?
12:23<rkulagow>chutt: fast typer! =)
12:23<WizFactor>ggv doesn't seem to like that pdf
12:23<eKIK>Churr: Cause I'm desparate =) I'm sorry that I had to ask in the wrong channel...but I couldn't find anywhere else
12:23<moegreen>WizFactor: it was made with Adobe Acrobat 5.0
12:23<Chutt>moegreen, cool =)
12:24<Chutt>did you ever get that socket stuff working?
12:24<moegreen>Chutt: I haven't had time to mess with it since then, I guess i'll try a lower level socket
12:24<Chutt>eKIK, http://sourceforge.net/mail/?group_id=7420
12:24<WizFactor>Odd... xpdf displays it just fine though
12:24<Chutt>moegreen, were you using qhttp or just sockets?
12:24<moegreen>QSocket
12:25<moegreen>I also tried it with QSocketDevice or whatever it is
12:25<eKIK>Chutt: Many thx...I'll check it out
12:25<Chutt>why not qhttp?
12:26<moegreen>Chutt: if I sent it a bad HTTP/1.1 request (ie without Host:) it does return an error that I get back
12:27<Chutt>heh
12:27<Chutt>weird, then
12:27<Chutt>i've got a simple class to grab a http page, if you want it
12:27<moegreen>heh, does it work with imdb.com? :)
12:27<Chutt>i dunno
12:27<moegreen>but yes
12:28<Chutt>it just uses the qhttp stuff
12:28<moegreen>i do want it :)
12:29<Chutt>err, it uses the qurloperator, rather
12:29<Chutt>but i think that uses the qhttp stuff internally
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12:30<Chutt>sent, i'll leave it up to you to make a makefile/.pro for it, though =)
12:30<Chutt>included a tiny little demo program
12:31<Chutt>rkulagow, nice checkin =)
12:54<Chutt>moegreen, nice job on those docs
12:54<moegreen>thanks
12:55<moegreen>I think it includes everything :) I just went through the ui.xml file so...
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13:10<rkulagow>chutt, to solve my problem of slaves that write to a central NFS store (and which subsequently may not be available when it comes time to view the program) i've done this:
13:10<rkulagow>bool master_backend_override = 1;
13:10<rkulagow>cerr << proginfo->hostname << " " << gContext->GetHostName() << endl;
13:10<rkulagow> if (master_backend_override) proginfo->hostname = gContext->GetHostName();
13:11<rkulagow>the cerr was just to see what was going on. if i make it selectable in setup, does it look ok?
13:15<Chutt>hmm
13:15<Chutt>probably be best to fix the stuff in there that's supposedly meant to take care of that situation =)
13:15<Chutt>well
13:15<Chutt>mini-itx box is now silent
13:15<rkulagow>turned it off? =)
13:16<Chutt>can barely hear it
13:16<Chutt>performed surgery on the power supply
13:16<Chutt>i'm just worried that the new fan's pushing enough air out is all
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13:18<hadees>hey i am getting an error Could not find theme: blue when i try to run setup anyone know why its giving me that? (i am on rh9)
13:18<Chutt>probably didn't install the themes properly
13:20<hadees>i thought they just got installed with everything else, is there somthing special i need to do?
13:20<hadees>i see them there
13:21<Chutt>it's in /usr/local/share/mythtv/themes/ ?
13:22<hadees>yeah
13:23<Chutt>dunno, then
13:24<hadees>i saw on the mailing list some one had the same error but the fix some one gave them didn't work
13:24<Chutt>go into the code and see why it's saying that
13:31<hadees>i found where the error is comming from but i can't find the function FindThemeDir
13:31<hadees>do you know where that might be?
13:32<Chutt>libs/libmyth/mythcontext.cpp
13:35<hadees>okay i think it is the varible m_installprefix is the problem
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13:35<hadees>but i am not sure why, it is m_installprefix = PREFIX;
13:39<Chutt>hrm
13:39<Chutt>the nehemiah seems warm :/
13:41<hfb>Hi Chutt.
13:41<hfb>Chutt: My serial IR receiviers with my M9000 now. :)
13:41<Chutt>nice
13:44<hfb>Chutt: I ended up up giving up on RedHat and installed slackware.
13:44<hfb>Chutt: I think it had something to do with the kernel cpu setting, but I'm not 100% sure.
13:57<hadees>hey which distro is the eastest to install mythtv on?
13:57<hadees>easyest
13:58<hadees>easiest
14:02<mdz>heh
14:02<mdz>after so many people got ignored or flamed for sending feature requests without patches
14:03<mdz>instead of not doing that
14:03<mdz>people send feature requests with excuses
14:03<mdz>"I would do this, but..."
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14:16<mdz>{I don't know C++,I don't know Qt,I have never programmed,I'm tired,...}
14:18<hadees>i would love to help program for mythtv how ever first i need to get it running
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14:48<Chutt>well, fixing the issue you're having is a good test :)
15:19<Chutt>i think i'm going to have to put the loud noisy fan back in
15:19<Chutt>pay more attention to cpu temp when it compiles
15:20<Chutt>it was up over 85 :(
15:20<bigguy>on the m1000000000000
15:20<bigguy>?
15:20<Chutt>yeah
15:20<bigguy>hehe
15:20<Chutt>may just end up getting a larger case
15:20<Chutt>but i like how this one looks, oh well
15:20<bigguy>what good is a small board if you gotta use a larger case and better cooling ;)
15:21<bigguy>"I'm gonna cut the top of the case and put a zalman flower cooler on it"
15:21<Chutt>well
15:21<Chutt>slightly larger
15:21<Chutt>nothing major
15:22<Chutt>so that everything's not packed in there tightly
15:22<Chutt>the pvr-250 puts off a decent amount of heat, too
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15:23<bigguy>yeah
15:24<bigguy>I am gonna get me one of those pvr-X50's once I get settled in Searcy later this summer
15:37<moegreen>I guess i'm about out of listings data now, time to reconfigure to use xmltv again :)
15:38<Chutt>heh
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15:46<moegreen>inman: I'm going to be adding some imdb support to mythvideo, so if you want to work up a database scheme for me - that'd be great :)
15:47<inman>moegreen: moving this week. what kinda data are you willing to slurp from imdb?
15:48<moegreen>Probably some of the info on the individual movie's page
15:48<moegreen>http://us.imdb.com/Title?0118715
15:48<moegreen>That title #
15:48<moegreen>probably not actors
15:49<moegreen>though I guess that could be grabbed too
15:49<inman>thing is, the credits tables is tied to programs.
15:49<moegreen>what do you mean
15:49<moegreen>?
15:50<inman>the key into the credits table is the starting time and channel id of the program.
15:50<inman>so it's useless for use against a mythvideo.
15:50<inman>the ideal solution would be a table mapping programs and videos and recordings to a single integer series.
15:50<inman>then we could map that to credits.
15:51<inman>let me know if this doesn't make any sense. :-)
15:51* inmanhas to leave soon to go racing.
15:51<moegreen>heh, it doesn't - but I'll work on getting the data from the page, you let me know what needs to be stored and how :)
15:52<inman>it strikes me that the program table would work fine, with the addition of a couple columns.
15:52<moegreen>where are you moving to?
15:53<inman>outside philly, pa.
15:53<inman>maybe Chutt will accept storing program data in the program table, with the caveat that it somehow resists deletion by filldata().
15:53<inman>then we could leave recorded programs there, give every program a serial number, add mythvideos, and link it all to credits natively.
15:54<inman>we could set the sourceid to 0, that'd prevent deletion i think.
15:54<inman>mostly. :-)
15:59<inman>the only things i think you'd want to store that aren't already in the database are actual runtime and maybe resolution or sound format (for mythvideos).
15:59<inman>as far as imdb goes, only runtime is missing.
16:00<Chutt>you can fake runtime
16:00<inman>i dunno how you'd do that for broadcast movies...?
16:01<inman>i'm talking about a way to distinguish between on-air time and runtime (on-air = runtime+ads)
16:01<inman>and -edits i guess.
16:11<hfb>Anyone here have any experience with a aitech WaveWatcher (zr36120)?
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16:22<WizFactor>just found a typo on http://www.mythtv.org/docs/mythtv-HOWTO-9.html ... "mythfilldatabse --file" mythfilldatab_A_se
16:22<moegreen>the runtime is in there Runtime: 117 min
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16:25<moegreen>And you can get a lot of information from mplayer about the file format (mplayer -identify)
16:33<Chutt>hmm
16:33<Chutt>even with the old loud fan
16:33<Chutt>it's up over 80c
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17:02<WizFactor>Has something in the database format changed recently (or at least since 0.8)? I originally installed a few days ago, and just noticed today that my program database was down to 2 days (when mythfilldatabasecron should have been filling it.)
17:02<WizFactor>and running mythfilldatabase is giving me DB errors
17:03<moegreen>WizFactor: I believe there is a change in the cvs.sql file
17:03<WizFactor>DB Error (loading channel sources):
17:03<WizFactor>Query was:
17:03<WizFactor>SELECT sourceid,name,xmltvgrabber,userid FROM videosource ORDER BY sourceid;
17:03<WizFactor>Driver error was [2/-1]:
17:03<WizFactor>QMYSQL3: Unable to execute query
17:03<WizFactor>Database error was:
17:03<WizFactor>Unknown column 'userid' in 'field list'
17:03<Chutt>the database changes all the time.
17:03<Chutt>if you're using cvs, you have to update it occasionally
17:03<moegreen>you should apply that if you're getting errors
17:03<Chutt>generally, the commit message says that a database update's required or whatnot
17:04<Chutt>and if you're using cvs without watching the commit messages, you deserve whatever breakages you get :p
17:04<WizFactor>Ok...guess I missed that one then. I am subscribed to the commit list ;)
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17:08<WizFactor>Ok, that did it... I feel stupid now :(
17:08<moegreen>You should :)
17:20<Chutt>heh
17:20<rkulagow>chutt: i've been looking at the same section of code over and over, and i can't figure out why i can't get backend override to work without the kluge of setting proginfo->hostname == gContext->GetHostName() around line 567 of mainserver.cpp iff master_override is TRUE.
17:20<rkulagow>bool master_override = 1; // temporary hackaround
17:20<rkulagow>
17:20<rkulagow> if (!master_override)
17:20<rkulagow> {
17:20<rkulagow> if (proginfo->hostname != gContext->GetHostName())
17:20<rkulagow> {
17:20<rkulagow> slave = getSlaveByHostname(proginfo->hostname);
17:20<rkulagow> }
17:20<rkulagow> }
17:20<rkulagow> if ((proginfo->hostname == gContext->GetHostName()) ||
17:20<rkulagow> ((!slave) && checkFile.exists()))
17:20<rkulagow> {
17:20<rkulagow> if (pbs->isLocal())
17:20<rkulagow> proginfo->pathname = lpath;
17:21<rkulagow> else
17:21<rkulagow> proginfo->pathname = QString("myth://") + ip + ":" + port
17:21<Chutt>hmm
17:21<rkulagow> + "/" + proginfo->GetRecordBasename();
17:21<rkulagow>
17:21<rkulagow>cerr << proginfo->pathname << endl;
17:21<rkulagow>
17:21<rkulagow>
17:21<rkulagow>master_overide is true, so we don't get slave status
17:21<Chutt>hmmmm
17:21<rkulagow>when i run this code, and the frontend connects, i see all of the programs listed on screen in that cerr line.
17:22<Chutt>the pathname's wrong, or..
17:22<rkulagow>but when i actually select one, it seems to fall through and say "couldn't find backend"
17:22<Chutt>is the ip right when it prints it out?
17:23<rkulagow>yes;
17:23<Chutt>like, it says to use the master?
17:23<yebyen>how much power does one need to decode mpeg2 (from, ie, the PVR-350)
17:23<yebyen>533mhz enough?
17:23<Chutt>same as you need to decode a dvd
17:24<yebyen>ok
17:24<rkulagow>this is the file that i'm interested in: it's printed by the cerr up there:
17:24<rkulagow>myth://192.168.10.101:6543/1044_20030506230000_20030507000000.nuv
17:24<yebyen>this guy is emailing me about a slashdot post I made regarding mythtv.
17:25<rkulagow>but when i select it on the frontend, i get: 2003-05-09 16:24:39 Couldn't find backend for: Farscape : Crackers Don't Matter
17:25<rkulagow>and when i exit out of the frontend it the "couldn't find file foo.nuv" is printed on the terminal
17:26<Chutt>hmmmm
17:26<Chutt>i think the delete and checkfile actions
17:26<Chutt>need to see if the contacted server can also see the file
17:26<Chutt>they don't, currently
17:26<rkulagow>but, if i do: //if (master_override) proginfo->hostname = gContext->GetHostName();
17:26<rkulagow> if (!master_override)
17:26<rkulagow> {
17:26<rkulagow> if (proginfo->hostname != gContext->GetHostName())
17:26<rkulagow> {
17:26<rkulagow> slave = getSlaveByHostname(proginfo->hostname);
17:26<rkulagow> }
17:26<rkulagow> }
17:27<rkulagow>it works, because we've overrode.
17:27<rkulagow>(and get rid of the //)
17:27<Chutt>right
17:27<Chutt>well
17:27<Chutt>even if you don't have that if (!master_override) there
17:27<Chutt>shouldn't slave be returning null?
17:27<Chutt>so that's kinda extraneous
17:27<Chutt>but
17:28<Chutt>i think you want to modify HandleQueryCheckFile and HandleDeleteRecording
17:28<Chutt>to do something similar -- if slave's null, try to see if it's local
17:29<rkulagow>ok, i'll take a look. maybe my logic was wrong. the proginfo->hostname shows "encoder1", since that's where it was encoded. but the .nuv file was written to a central NFS directory that all the encoders are sharing. if encoder1 backend isn't running, then a frontend can't view the file. i'm trying to provide an override that allows the masterbackend to serve the file anyway.
17:30<Chutt>right
17:30<Chutt>that's almost already there, without the explicit override
17:31<mdz>that xbox guy's backtrace looks way broken
17:33<Chutt>ayup
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17:44<hadees>hey m_installprefix = PREFIX in mythcontext.cpp, what exaclty is PREFIX
17:45<bigguy>o/~ I want my I want my HDTV o/~ That's the new whiner theme song for the list
17:48<Chutt>what's it set to?
17:53<hadees>not sure, i am guessing its set to /usr/local/ or atleast it should be
17:55<hadees>if i install the rpm where does it put the setup file?
17:56<rkulagow>what RPM?
17:57<hadees>the one here http://atrpms.physik.fu-berlin.de/dist/rh9/mythtv/
17:58<rkulagow>mythtv is distributed as a tarball and from CVS, not as .rpms. you should check with the packager if you have questions about the packages they're creating.
18:00<hadees>yeah i know but since i been having trouble with the tarball i thought some one in here might have experance with the rpms
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18:34--> Youare now talking on #mythtv
18:34-!-Topic for #mythtv is http://www.mythtv.org/
18:34-!-Topic for #mythtv set by Viddy at Sun Mar 9 06:04:45
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18:58<rkulagow>chutt: thanks for the pointer. turns out i was looking in the wrong place the entire time (since the error messages about not finding the backend are the same). the read portion now works; where would be an appropriate config screen for the boolean? (UseMasterBackendOverride)
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19:36<Chutt>you shouldn't need a setting for it
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20:00<poptix>[09/1727] <yebyen> who's working on the patch to automatically delete old programs?
20:00<poptix>i can write you a perl script to run via cron that'll do it
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20:27<keyhack>Did you guys see? TiVo is offering a Basic TiVo service, which is, free
20:27<keyhack>:-)
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20:34<poptix>it's not free
20:34<poptix>the companies making tivo-like devices can buy it, and resell it at whatever price they want to their customers
20:35<poptix>tivo-like devices meaning customized tivo's
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21:10<Captain_Murdoch>Chutt: in order to give the frontend the ability to skip commercials quickly when watching LiveTV or an in-progress recording, I need to get either the blank frame list or a commercial skip list from the recorder to the frontend. Since the blank frame list for a 2 hour movie could be 2000 frame numbers, I'm thinking it might be better for the backend to just run the quick routine to generate a skip list from the blank frame list t
21:10<Captain_Murdoch> skip list to the frontend instead. Does that make sense or do you have any other ideas/suggestions?
21:19<Chutt>or it could write the blank frame list to the db as it goes
21:20<Captain_Murdoch>I was thinking about that but wondered if it would be too much DB access during recording. do you think it would be better to do it per-frame, or something like every keyframe or every X frames?
21:21<Captain_Murdoch>current save routine writes the whole list, but getting around that is no biggie.
21:25<Captain_Murdoch>I'll modify the code to save the list every X blank frames, then I can tune X easily. and modify the player to check for a blank frame list in the DB every time you try to skip if there's no list in memory already.
21:26<Captain_Murdoch>I wonder if the
21:26<Captain_Murdoch>wonder if the "...(36 seconds later)..." in Bruce's email means he snipped lines or if it really jumped from keyframe 8 to 603.
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23:20<FryGuy>Captain_Murdoch: are the blank frames continuous?
23:22<FryGuy>you might do a: create table blank_frames (id int(4) not null primary key auto_increment, start_frame int(4), end_frame(4), index(start_frame, end_frame)
23:22<FryGuy>);
23:22<FryGuy>actually you probably don't need the index
23:23<FryGuy>and would need to link it to the program table somehow
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23:30<poptix>wow, nice
23:30<poptix>"hi, i was bored and wrote a driver for the video output on a PVR-350, here you go"
23:30<poptix>heh.
23:30<poptix>(paraphrased)
23:31<FryGuy>wow
23:31<FryGuy>he should be bored more often then
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