| --- | Log | opened Thu Feb 21 00:00:29 2008 |
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| 04:08 | <waini> | hi |
| 04:08 | <waini> | is it possible to start mythbackend with debg mode (i want to see the frequency, sid, .. send out to the dvb-module)? |
| 04:10 | <stuarta> | --verbose channel,record,siparser |
| 04:10 | <waini> | thanks |
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| 08:03 | <stuarta> | server still fubar then? |
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| 08:24 | <ben1092> | hi guys, I want to know something about mythuitest, It has a dialog that says "Well, how about moving?". The point is that i can't see anything moving in this dialog. I checked MythUIType::HandleMovementPulse the curXY changes each time the function is called. So what do i need to do to see movement effects? |
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| 08:48 | <gbee> | thought the images were missing last time I looked, but I can't check since mythuitest doesn't exist anymore |
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| 09:42 | <gbee> | baylink on an extended holiday? Wiki still has a notice about SD taking up half the front page |
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| 10:10 | <GreyFoxx> | Is there a config option to turn off the database backup stuff ? |
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| 10:18 | <jams> | i dont think so |
| 10:21 | <gbee> | f'king bastards broke into my shed again >:( |
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| 10:35 | <mick_laptop> | is there a "history of mythtv" somewhere? i'd just kind of be interested in how things started |
| 10:40 | <GreyFoxx> | http://www.mythtv.org/modules.php?name=MythInfo |
| 10:40 | <GreyFoxx> | The background section |
| 10:40 | <GreyFoxx> | that's about it I think :) |
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| 10:47 | <mick_laptop> | GreyFoxx: thanks |
| 10:59 | <MrGandalf> | danielk22: there? |
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| 11:04 | * | stuarta reads -commits to find out why there was a schema change in -fixes |
| 11:07 | <gbee> | stuarta: janneg committed a fix for the #cpu setting not being saved, required that the value be prepopulated in the database because it used an update statement |
| 11:08 | <stuarta> | fair enuf |
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| 11:10 | <GreyFoxx> | gbee: Think I've got the "starting at the start of the video" thing fixed properly now |
| 11:11 | <gbee> | GreyFoxx: yeah? |
| 11:11 | <GreyFoxx> | AFD::OpenFile, we are doing av_read_frame_flush before doing the scan for streams, when it should be after |
| 11:11 | <GreyFoxx> | moving it to just after the ScanStreams seems to fix it up |
| 11:12 | <gbee> | cool, makes sense - wish I'd spotted that earlier, drove myself mad looking for the cause :) |
| 11:14 | <GreyFoxx> | You can thank libav's more verbose logging for matroka parsing :) |
| 11:14 | <GreyFoxx> | I started a matroska file this time and it spitt out a bunch of logs just before the ScanStreams output |
| 11:14 | <GreyFoxx> | which led me right too it |
| 11:19 | <gbee> | ahh |
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| 11:20 | <stuarta> | nice |
| 11:21 | <gbee> | just shopping for stuff I can use to secure my garden, unfortunately they don't stock landmines at the DIY |
| 11:21 | <Hannibal-> | motion activated sentry guns |
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| 11:21 | <gbee> | Hannibal-: they've got a couple of those, but they are outside my price range ;) |
| 11:22 | <Hannibal-> | :( |
| 11:22 | <stuarta> | a vicious dog? |
| 11:22 | <GreyFoxx> | so, are we commiting fixes to both trunk and fixes now ? |
| 11:22 | <gbee> | stuarta: cat might eat it |
| 11:23 | <stuarta> | put the cat in the shed |
| 11:23 | <stuarta> | for the robbers |
| 11:23 | <stuarta> | GreyFoxx: depends if you want to leave it up the auto sync or not |
| 11:23 | <gbee> | GreyFoxx: personal preference, anything committed to -fixes will be backported to trunk by Isaac, but not everyone wants the hassle of switching their working copy to -fixes for the duration |
| 11:23 | <stuarta> | personally i like doing both |
| 11:24 | <GreyFoxx> | a goes looking for tickets relating to this bug |
| 11:24 | <gbee> | not everyone knows the 'commit to fixes' plan since they aren't on the mailing list |
| 11:25 | <stuarta> | which they should be, but that's not my call |
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| 11:26 | <Hannibal-> | i upgraded to the latest fixes, and pip started working - so thanks to whomever committed that. |
| 11:27 | <gbee> | http://www.ebuyer.com/product/106012/show_product_overview << For the price, reckon I'll get one of these + PVR-150, will stop me having to run out into the garden everytime I suspect someone is out there |
| 11:27 | <laga_> | gbee: i think justinh has some cctv kit |
| 11:27 | <gbee> | heh, yeah |
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| 11:28 | <mick_laptop> | who is developing the netflix plugin? wanted to know if adding the username/password into the UI was planned |
| 11:28 | <mick_laptop> | if not, i'd write it |
| 11:30 | <gbee> | think Kevin is the only one who has done any netflix work in the last year |
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| 11:32 | <laga_> | jo |
| 11:32 | <laga_> | oops, wrong window |
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| 12:04 | <mick_laptop> | gbee: what is kevin's nick? |
| 12:04 | <gbee> | mick_laptop: don't know that I've ever seen him in IRC, sorry |
| 12:05 | <mick_laptop> | k - thnaks |
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| 12:10 | <Anduin> | Under the "last to touch owns" rule, it is Captain_Murdoch's plugin. |
| 12:10 | * | stuarta chuckles |
| 12:12 | <gbee> | heh |
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| 12:24 | <danielk22> | why are people other than Isaac doing syncs from fixes to trunk? Did I miss an e-mail? |
| 12:28 | <MrGandalf> | danielk22: I know your busy, was wondering if you had a few seconds for a question regarding that ticket you helped me with (stuck tuning) |
| 12:29 | <MrGandalf> | danielk22: was wondering if something simular could effect IVTV recording. I'm seeing a case of stuck tuning when going from IVTV -> DVB waiting for the ringbuffer to close. |
| 12:30 | <danielk22> | it would probably be something entirely different.. |
| 12:30 | <Chutt> | danielk22, individual people can, if they want to |
| 12:30 | <Chutt> | i'll do it every day or two as a convenience, though |
| 12:30 | <MrGandalf> | k, I have a bt but I didn't step through any threads but one so I'll have to investigate further next time it happens. |
| 12:30 | <danielk22> | chutt: doesn't that complicate your merge? |
| 12:31 | <Chutt> | not as long as the change is the same in both places |
| 12:31 | <Chutt> | svn merge isn't _entirely_ stupid |
| 12:31 | <danielk22> | ok, I won't worry about it then.. |
| 12:31 | <Chutt> | some people are going trunk->branch, too, not the other way 'round |
| 12:32 | <danielk22> | mrg: look at dmesg too... |
| 12:32 | <Chutt> | danielk22, any idea why video playback takes so long to start these days? |
| 12:33 | <danielk22> | there might be some problem with closing the ivtv device. |
| 12:33 | <Chutt> | seemed to get much longer after the multi-rec merge |
| 12:33 | <Chutt> | or, maybe the -vid merge, i can't remember =) |
| 12:33 | <GreyFoxx> | Chutt: One thing that adds time, and more so if you are nfs rooting is the way we preload CC fonts |
| 12:33 | <danielk22> | chutt: don't know. but I think it predated multi-rec merge. |
| 12:33 | <Chutt> | GreyFoxx, local root, nfs videos |
| 12:33 | <danielk22> | vid merge might be a more likely target. |
| 12:34 | <danielk22> | I haven't tried to trace it yet. |
| 12:34 | <GreyFoxx> | Even if you don't use CC we preload, and prescale fonts adds seconds on a nfsrooted setup |
| 12:35 | <danielk22> | greyfoxx: couldn't we do that once and cache? |
| 12:35 | <GreyFoxx> | yeah. I had planned on change it to load them on demand, and if we had to scale cache that for the next load |
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| 12:36 | <danielk22> | For the 708 fonts, 99% of the time captioners only use one font too... |
| 12:36 | <GreyFoxx> | I think we are even doing the rescaling and such for each channel change |
| 12:36 | <GreyFoxx> | for livetvf users |
| 12:37 | <GreyFoxx> | but it was a while ago I really looked at it |
| 12:38 | <Chutt> | those need to be on demand :p |
| 12:40 | <danielk22> | I'd be willing to look at that after #3995 & #4631.. (I'm waiting for a better fix for #4513 from Mark Buechler) |
| 12:40 | * | stuarta wonders if that's MrGandalf |
| 12:40 | <GreyFoxx> | it is |
| 12:40 | <stuarta> | thought it was |
| 12:41 | <danielk22> | sorry not Mark Buechler, the other Mark, Mr Kendall :) |
| 12:42 | <danielk22> | he understands the problem Markus was seeing... |
| 12:42 | <MrGandalf> | first too many Stuarts, now too many Marks.. oh my. |
| 12:43 | <stuarta> | heh |
| 12:43 | <danielk22> | heh, I just took a quick look at my inbox and saw the wrong mark e-mail for the name.. |
| 12:44 | <danielk22> | and we had too many chris' before that :) |
| 12:44 | <danielk22> | too many chrisi ? I know the apostrophe is wrong, but what is the plurals of Chris? |
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| 12:52 | <laga_> | chrises? hum |
| 12:52 | <laga_> | http://answers.yahoo.com/question/index?qid=20060927131008AAVYTiO |
| 12:52 | <laga_> | yeah, chrises seems to be right |
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| 12:54 | <danielk22> | heh. Yes the Joneses argument swayed me :) |
| 12:56 | <laga_> | although that guy's question is messed up because he missed the difference between possessive case and plural |
| 12:56 | * | laga_ blames web 2.0 |
| 12:58 | <danielk22> | Hmm, with local playback using an NFS filesystem playback starts in a few hundred milliseconds here, without a CPU spike. |
| 12:59 | <danielk22> | Chutt do you know if you're perhaps using MythTV streaming? |
| 13:01 | <Chutt> | it sure better not be |
| 13:01 | <Chutt> | the files are mounted locally |
| 13:01 | <Chutt> | it's a single backend+frontend box |
| 13:02 | <Chutt> | i don't have logs, though |
| 13:02 | <MrGandalf> | select * from settings where value = 'AlwaysStreamFiles'; |
| 13:03 | <Chutt> | 0, of course |
| 13:04 | <GreyFoxx> | danielk22: Wow, that's fast |
| 13:04 | <Chutt> | danielk22, hd feels like it takes at least 20 seconds to start |
| 13:04 | <Chutt> | i haven't measured it |
| 13:05 | <Chutt> | i don't remember if it takes as long for SD or not |
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| 13:11 | * | Dibblah thinks someone on the mailing list doesn't quite realise that the mythtv executable is not really the ideal thing to be running :) |
| 13:15 | <gnome42> | 20 seconds! Holy sheep sugar! :) |
| 13:15 | <gnome42> | GreyFoxx: you see similar startup times? |
| 13:15 | <gnome42> | mine are in line with danielk22's times. |
| 13:16 | <gnome42> | nfs mounted as well |
| 13:18 | <GreyFoxx> | gnome42: my nfsrooted celeron733 take 9-10 seconds, BUT if I commend out the CC font loading it drops to 4 |
| 13:18 | <Daviey> | O_O |
| 13:18 | <GreyFoxx> | my regular frontend (via nfs) takes 2 seconds, 3 or one files |
| 13:18 | <Daviey> | that is floody fast |
| 13:19 | <GreyFoxx> | Daviey: It use to be 1 :/ gotten slower |
| 13:19 | <Daviey> | owwwww |
| 13:19 | * | Daviey misunderstood |
| 13:19 | <Daviey> | thought it was nfsroot boot time |
| 13:19 | <GreyFoxx> | my nfsroot boottime is 12 seconds :) |
| 13:20 | <danielk22> | are these slow start times with slow CPUs? |
| 13:20 | <danielk22> | VIA? |
| 13:20 | <Daviey> | inc. bios post? |
| 13:20 | <GreyFoxx> | Daviey: Yup |
| 13:21 | <Daviey> | thats great! |
| 13:21 | <Daviey> | I was thinking of suspending to disk rather than shutdown for quicker boots. |
| 13:22 | <GreyFoxx> | danielk22: my "regular" frontend, showing 2-3 seconds is an AMD sempron 2800 |
| 13:22 | <GreyFoxx> | nvidia board |
| 13:22 | <Daviey> | ati :( |
| 13:22 | <danielk22> | hmm, that's a pretty reasonable processor... |
| 13:22 | <GreyFoxx> | Daviey: I have that on my main frontend, the difference is crazy :) |
| 13:22 | * | Daviey needs more freetime to play |
| 13:23 | <Chutt> | danielk22, model name : AMD Athlon(tm) X2 Dual Core Processor BE-2350 |
| 13:23 | <Chutt> | so, not really a slow cpu :p |
| 13:23 | <danielk22> | chutt: yours is taking seconds too? |
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| 13:23 | <Chutt> | it takes a very long time to start HD playback |
| 13:23 | <Daviey> | last week my main FE was an old laptop due to borked xorg on real main fe, and not enough free time |
| 13:24 | <gnome42> | GreyFoxx: hmm, does the DB do a longish CPU spike at startup? |
| 13:25 | <GreyFoxx> | gnome42: Not sure actually |
| 13:25 | <Chutt> | 2008-02-21 13:24:16.192 |
| 13:25 | <Chutt> | 2008-02-21 13:24:23.937 |
| 13:25 | * | GreyFoxx goes to grab a log entry |
| 13:25 | <danielk22> | gnome: you think it's downloading the keyframe map? |
| 13:25 | <Chutt> | mythtv 'filename' |
| 13:25 | <gbee> | IVTV -> DVB switch takes an hour here (well upto 10 seconds) |
| 13:25 | <Chutt> | livetv startup takes a really long time, too. |
| 13:26 | <danielk22> | heh, I feel like bjm being told the scheduler takes forever.. It's really fast HERE :) |
| 13:26 | <gbee> | not really related to the current discussion, just throwing it out there in case someone wants to take look at speeding things up, this was before multirec as well |
| 13:27 | <gnome42> | danielk22: I suspect something to do with the DB. But it should be obvious (via top or whatever) to see if its the DB spiking at startup. |
| 13:27 | <Chutt> | 2008-02-21 13:24:18.658 Resyncing position map. posmapStarted = 0 livetv(0) watchingRec(0) |
| 13:27 | <Chutt> | 2008-02-21 13:24:21.251 Position map filled from DB to: 125174 |
| 13:27 | <gbee> | one day I'll look at what is taking so long myself - seems like it's the closing down of IVTV which takes most of the time |
| 13:27 | <Chutt> | appears to be taking way too long |
| 13:27 | <danielk22> | I'm not seeing mysql pop up at all in top |
| 13:28 | <gnome42> | danielk22: My DB suffered some silent borkage after updating to mysql 5, which caused similar issues. |
| 13:28 | <danielk22> | chutt: yeah that is a long time.. |
| 13:28 | <GreyFoxx> | just now kicking off a mp4 file I encoded ... 9 seconds |
| 13:28 | <gnome42> | danielk22: I get cranky if I have to wait more than a second :) |
| 13:29 | <danielk22> | yeah, my cranky starts at 250 ms |
| 13:30 | <Chutt> | hum |
| 13:30 | <Chutt> | 480658 rows in recordedseek; |
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| 13:31 | <GreyFoxx> | http://www.pastebin.ca/912894 |
| 13:31 | <danielk22> | 927539 here |
| 13:31 | <GreyFoxx> | That's from a local database, local backend, playing a mp4 file I generated with no seektable entries |
| 13:31 | <gnome42> | Chutt: I have 2.8M rows |
| 13:32 | <GreyFoxx> | the upnpo auto discover seens to be causing 3 seconds of my delay |
| 13:32 | <GreyFoxx> | on this particular system |
| 13:33 | <Chutt> | doing the resync select manually takes .01 seconds in mysql. |
| 13:33 | <gnome42> | oh, I use the -d switch and pnp disabled on the backend |
| 13:34 | <danielk22> | chutt: moving the data may take most of the time... still 3 seconds is excessive |
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| 13:34 | <Chutt> | probably inserting those values one at a time into the map takes forever. |
| 13:34 | <Chutt> | if it's resizing the map.. |
| 13:36 | <gnome42> | 13:34:43.068 ProgramInfo: GetPositionMap(chanid: 3342 recstartts: 2007-12-11T03:00:00 type: 9) |
| 13:36 | <gnome42> | 13:34:43.165 Position map filled from DB to: 204896 |
| 13:36 | <gnome42> | That's an old rec. so it wasn't in the sql cache |
| 13:37 | <Chutt> | meh |
| 13:38 | <danielk22> | optimize_mythdb.pl ? |
| 13:39 | <Chutt> | 2008-02-21 13:39:09.391 Resyncing position map. posmapStarted = 0 livetv(0) watchingRec(0) |
| 13:39 | <Chutt> | 2008-02-21 13:39:09.578 Position map filled from DB to: 125173 |
| 13:39 | <Chutt> | after optimize, on a new file. |
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| 13:40 | <Chutt> | total time from start to video (end of debug spew) with mythtv: 13:39:06.219 -> 13:39:10.771 |
| 13:40 | <Chutt> | so, better, but still 4 seconds |
| 13:41 | <gnome42> | Chutt: you have Gigs of ram in the DB I assume? |
| 13:42 | <gbee> | we ought to run the optimise/repair stuff in the housekeeper on at least a weekly, if not daily basis |
| 13:42 | <Chutt> | in the db? |
| 13:42 | <danielk22> | hmmm, I started a new recording 10 minutes ago, and I got this just now: |
| 13:42 | <danielk22> | 2008-02-21 13:40:27.913 TV: Attempting to change from None to WatchingPreRecorded |
| 13:42 | <danielk22> | 2008-02-21 13:40:27.915 RingBuf(/video/testing/1019021_20080221132449.mpg): OpenFile(/video/testing/1019021_20080221132449.mpg, 12) |
| 13:42 | <danielk22> | 2008-02-21 13:40:27.915 RingBuf(/video/testing/1019021_20080221132449.mpg): CalcReadAheadThresh(10966 KB) |
| 13:42 | <danielk22> | -> threshhold(64 KB) min read(0 KB) blk size(32 KB) |
| 13:42 | <danielk22> | 2008-02-21 13:40:29.042 RingBuf(/video/testing/1019021_20080221132449.mpg): Waited 1.0 seconds for data to become available... |
| 13:42 | <danielk22> | 2008-02-21 13:40:30.050 RingBuf(/video/testing/1019021_20080221132449.mpg): Waited 2.0 seconds for data to become available... |
| 13:42 | <danielk22> | 2008-02-21 13:40:30.437 AFD: Stream #0, has id 0x49 codec id MPEG2VIDEO, type Video, bitrate 18500000 at 0x0x951b10 |
| 13:42 | <gbee> | danielk22: might be easier to paste it to http://pastebin.ca |
| 13:42 | <danielk22> | Which doesn't make much sense.. The file was definately there.. |
| 13:43 | <danielk22> | thx gbee |
| 13:43 | <Dibblah> | danielk22: Live TV? |
| 13:43 | <Dibblah> | Oh - No. |
| 13:43 | <danielk22> | well it is still recording, but not livetv |
| 13:43 | <gnome42> | Chutt: never mind. I have a slower DB server with only 512 MB so your DB times are still slow I think. |
| 13:43 | <Dibblah> | Nah - If it was live, it could have been NFS attribute caching. |
| 13:43 | <Chutt> | i just have a GB of ram on this box |
| 13:44 | <Chutt> | that better be enough :p |
| 13:44 | <gnome42> | Chutt: yeh, agreed! |
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| 13:46 | <gnome42> | hmm, not using the indexes kinda fits the scenario |
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| 13:46 | <danielk22> | dibblah: that's possible.. i'll turn that off.. |
| 13:46 | <Dibblah> | Not if it's a recording, it's not. |
| 13:46 | <gbee> | GreyFoxx: start fix didn't work here on the h.264 file I've been using for debugging |
| 13:47 | <MrGandalf> | danielk22: the file may be there but not >= CHUNK, as defined in RingBuffer.cpp |
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| 13:47 | <GreyFoxx> | gbee: Yeah I've noticd that it works for my mkv file, but NOT for my mp4 |
| 13:47 | <GreyFoxx> | so I'm going to put in the DFF anyway |
| 13:47 | <danielk22> | mrg: 1.2 GB.. |
| 13:48 | <gnome42> | Chutt: Hmm, maybe should check if you have the same DB borkage I came across. optimize/repair and stuff will pass OK without fixing it I think |
| 13:48 | <MrGandalf> | yea, that's bigger |
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| 13:48 | <Chutt> | gnome42, after running optimize, it's fast at loading the posmap. |
| 13:48 | * | MrGandalf should read more carefully |
| 13:49 | <gbee> | yeah, should help for now - though I don't think it's going to work for files with a posmap since those are created with a bad initial offset (I think) - might be worth double checking that, what's the value for the first offset in the database? |
| 13:49 | <Chutt> | that posmap insert thing should be reworked, though |
| 13:49 | <Chutt> | map[key] = value |
| 13:49 | <Chutt> | is slower than map.insert(value) |
| 13:49 | <Chutt> | (first does a find, then an insert if it fails) |
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| 13:50 | <Chutt> | inserting all new guaranteed unique items, so.. |
| 13:50 | <gbee> | GreyFoxx: whoah, weird - that file played with 'mythtv' show the start problem, but when played through mythvideo it doesn't |
| 13:50 | <danielk22> | chutt are you sure it's slower? an insert needs to do a find for insert on a balanced tree anyway |
| 13:51 | <gbee> | there is no good reason for that to happen, they use exactly the same code path, the only difference is the logging |
| 13:51 | <Chutt> | danielk22, check qt's code |
| 13:52 | <Chutt> | detach(); |
| 13:52 | <Chutt> | QMapNode<Key,T>* p = sh->find( k ).node; |
| 13:52 | <Chutt> | if ( p != sh->end().node ) |
| 13:52 | <Chutt> | return p->data; |
| 13:52 | <Chutt> | return insert( k, T() ).data(); |
| 13:52 | <Chutt> | that's operator[] |
| 13:52 | <danielk22> | heh, ok then.. |
| 13:52 | <Chutt> | so even if insert does the fine.. |
| 13:52 | <gbee> | ahh, I was wrong, your fix _is_ working for the positionmap ... I'll take a look at it in a while, I think the fix I had earlier might now work with your fix in place |
| 13:52 | <danielk22> | i guess i was spoiled by stl |
| 13:52 | <Chutt> | err, find. =) |
| 13:56 | <danielk22> | dibblah: I turned off NFS attribute caching and I'm still seeing the RingBuffer slow start.. |
| 13:57 | <gnome42> | Chutt: But still too slow! :) Your posmap load took twice as long as mine to load roughly half as many entries. |
| 13:57 | <Dibblah> | Well, for non-live I wouldn't expect anything eles. |
| 13:57 | <Dibblah> | else, even. |
| 13:58 | <gnome42> | Chutt: The speedup could have come from priming the fs cache by running optimize. Just an idea :) |
| 14:03 | * | gnome42 steps away for a bit |
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| 14:13 | <danielk22> | I've opened a ticket for the RingBuffer problem I'm seeing #4727. |
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| 14:21 | <gnome42> | danielk22: is that with Greg's av_read_frame_flush fix in place? [16187] |
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| 15:32 | <hume> | hello.... i've got a problem: suddenly myth turned quiet - probably my kid did something with the keyboard that I dont know now, while playin - is there a "mute" function or something? |
| 15:33 | * | stuarta points at the topic |
| 15:33 | <hume> | sorry.... wrong channel... |
| 15:33 | <Hannibal-> | 20 lashes. |
| 15:34 | <stuarta> | electrocution followed by a good ole fashioned tar n feathering |
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| 15:56 | <Daviey> | win 1 |
| 16:03 | <ma9mwah> | does SVN diff create a file? |
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| 16:06 | <hads> | ma9mwah: svn diff > ~/mythtv_mybugfix.diff |
| 16:06 | <gnome42> | ma9mwah: svn diff > the_new_patch.diff will create a diff file |
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| 16:11 | <ma9mwah> | cheers |
| 16:11 | <ma9mwah> | and i just attach that file to the ticket |
| 16:12 | <gnome42> | ma9mwah: yep, and provide a description of what it hopes to fix. :) |
| 16:13 | <ma9mwah> | yeah |
| 16:27 | <MrGandalf> | blah |
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| 16:33 | <Hannibal-> | i might love you if it's the crashing on changing tuners, or the mythtv channel scanner crash ;-) |
| 16:36 | <ma9mwah> | sadly not :( my programming skills/knowledge aren't up to something like that. mine was just a simple division by zero error patch for the mythweb stats page |
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| 16:40 | * | xris is slightly disturbed: http://www.ohloh.net/projects/110/contributors/3534 |
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| 16:47 | <gnome42> | xris: that ohloh is neat, haven't seen it before |
| 16:49 | <Chutt> | they used to have better graphs |
| 16:49 | <xris> | gnome42: was recently posted to /. |
| 16:49 | <xris> | surprised to see that I have a bunch of kudos points. heh |
| 16:49 | <xris> | not sure whether or not I should create an acct |
| 16:51 | <gnome42> | does it look accurate to you guys? |
| 16:55 | <xris> | ohloh? looks like a weird way to rank people. |
| 16:55 | <xris> | I'm apparently ranked 3rd for mythtv devs by number of commits. |
| 16:55 | <xris> | which is a silly ranking system |
| 16:57 | <janneg> | number of committed lines is totally of for me due to ffmpeg merges |
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| 16:59 | <gnome42> | Yeah, I wasn't thinking ranking person against person, just a look at the version control history data :) |
| 17:00 | <gnome42> | pretty graphs and what not |
| 17:05 | <Cardoe> | hrm |
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| 17:05 | <Cardoe> | someone just sent me a comment on my blog about the SA 4250 HDCs |
| 17:06 | <Cardoe> | might be interesting if I can get in touch with this guy and get some info |
| 17:06 | <Cardoe> | but it basically looks like SA has an option for cable companies to "obfuscate" so that it doesn't follow the standard properly. |
| 17:07 | <Cardoe> | but it might be possible to make these suckers work with myth |
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| 17:46 | <danielk22> | ohloh is way off on actual written lines of code, since much of what committers do is review and commit other people's code.. |
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| 17:47 | <danielk22> | i like the graphs though.. |
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| 17:48 | <danielk22> | gnome42: "danielk22: is that with Greg's av_read_frame_flush fix in place? [16187]" I believe so, I did an svn up + compile and install, just before doing the test. |
| 17:50 | <danielk22> | cardoe: It would be great to get these 4250's working.. we can detect them, but AFAIK we just print out a warning message that they don't work... |
| 17:59 | <Cardoe> | well I'll grab some more info when I get it |
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| 18:00 | <janneg> | danielk22: I've checked the qt source and they are using boyer moore if you don't use a regexp |
| 18:00 | <danielk22> | great boyer moore is fast.. |
| 18:01 | <danielk22> | I wonder if some of the eit fixups might not be able to use QString.. rather than regular expressions.. |
| 18:01 | <danielk22> | a 0.22 consideration, of course |
| 18:01 | <MrGandalf> | hmm, always wondered what would happen if a rungbuffer change and a channel change happened at the same time.. not good :( |
| 18:02 | <danielk22> | mrg: those are supposed to be blocked by tv_play's keyboard/network handling.. |
| 18:02 | <gbee> | xris: found ohloh a while back, they weren't tracking plugins so I registered an account just to change it, didn't see fair to ignore plugin committers :) |
| 18:02 | <danielk22> | most input is blocked during a ring buffer change... |
| 18:03 | <MrGandalf> | danielk22: scenerio, channel change in effect (rotor still moving), ringbuffer changes due to a new program on the target channel |
| 18:03 | <xris> | gbee: heh |
| 18:03 | <danielk22> | mrg: we should probably delay the ringbuffer change in that case... |
| 18:03 | <MrGandalf> | it's pretty rare |
| 18:03 | <danielk22> | still |
| 18:04 | <gbee> | it's not really an accurate picture on a per-person basis and I'm not sure I like the idea of ranking contributors - it's not a competition |
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| 18:05 | <janneg> | danielk22: probably. I'm still wondering why we see the pthread regexp issue only now |
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| 18:06 | <danielk22> | janne, I'm a bit sceptical of his analysis. |
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| 18:07 | <danielk22> | but if the QThread stuff fixes it for now.... we can find out why later. |
| 18:08 | <janneg> | I'm not sure, the qt documentation is pretty clear on it though |
| 18:10 | <janneg> | but QThread seems to be the way to go if we want to have a native windows port |
| 18:10 | <Chutt> | might as well convert the other threads |
| 18:10 | <danielk22> | But we can't use it to set special priorities to the threads can we? |
| 18:10 | <janneg> | not sure if it's possible due ffmpeg depending on cygwin or mingw |
| 18:11 | <danielk22> | I'm assuming it supports joinable and detached threads.. |
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| 18:11 | <danielk22> | We also sometimes need to use pthreads on OSX because we need to attach special cocoa things... |
| 18:12 | <danielk22> | I think if we use qt threads we'll need to put em in a myth thread wrapper which uses pthreads when needed... |
| 18:13 | <danielk22> | not that this wouldn't be a bad idea anyway... |
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| 18:15 | <gbee> | QThread supports priorities |
| 18:15 | <janneg> | qt 3.3 doesn't seem to support detached threads |
| 18:15 | <danielk22> | FYI Qt docs say QRegExp says that it is re-entrant, not thread-safe... |
| 18:15 | <danielk22> | janne, yeah I just looked, that's a bit surprising. |
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| 18:18 | <danielk22> | hmm, Qt 4.0 QThread seems pretty braindead too :( |
| 18:18 | <janneg> | yes, it can't be detached either but emits a signal when it's finished |
| 18:19 | <danielk22> | maybe we just need to create QThreadStorage() ? |
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| 18:20 | <danielk22> | That's basically the type of thing we need to create for the OSX pthreads to use the firewire device.. |
| 18:20 | <janneg> | danielk22: qt docs claim we can't |
| 18:20 | <danielk22> | janne, are signals/slots threadsafe in Qt4.0? |
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| 18:20 | <danielk22> | janne: they may claim that, but they implement it somehow... |
| 18:22 | <danielk22> | hmm, maybe we can just replace QRegExp... maybe that's simpler... |
| 18:23 | <janneg> | iirc they are thread safe, would be braindead if the weren't to use them to signal thread status |
| 18:24 | <janneg> | danielk22: I doubt it would be simpler for eitfixups. might be possible for the channel seperators |
| 18:24 | <danielk22> | janne, I'm looking at http://doc.trolltech.com/4.0/threads.html#signals-and-slots-across-threads |
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| 18:25 | <danielk22> | by default signals and slots are still not thread-safe, but there is a new "queued" signal/slot mechanism, which is threadsafe... |
| 18:27 | <janneg> | danielk22: By default, QObject::connect() establishes ..., and a queued connection if they live in different threads. |
| 18:28 | <danielk22> | Hmm, it sounds like Qt containers are still not thread-safe in Qt 4.0, but they are mostly reentrant now (I know "fully" is an exageration in that doc, there are still unsafe QString functions like ::ascii().) |
| 18:29 | <danielk22> | janne, how does it know which thread the pointer lives in? Or is it based on who first created the object? |
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| 18:34 | <janneg> | I would guess that qt records which thread created the object |
| 18:36 | <danielk22> | Makes sense, instead of all deletes needing to be made in the one Qt event thread, you can delete an object within the thread that created it; without worrying about disconnecting all the slots first. |
| 18:37 | <danielk22> | It's gonna be a PITA to port MythTV to Qt 4.0 :[ |
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| 19:58 | <Chutt> | danielk22, we need to move away from using qobject for stuff, i think |
| 19:58 | <Chutt> | even though it's handy :/ |
| 20:00 | <danielk22> | yeah... |
| 20:05 | <Chutt> | now if only there weren't things like 'customers' and 'software qa' teams, i could write mythtv code.. |
| 20:07 | * | jamesd doesn't like using code that isn't QA'd... its pretty painful |
| 20:09 | <Chutt> | hum |
| 20:09 | <Chutt> | conflict in mythnews |
| 20:10 | <Chutt> | whoops |
| 20:10 | <Chutt> | wasn't at tot |
| 20:11 | <Chutt> | damn, more conflicts |
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| 20:34 | <Hannibal-> | any suggestions on how to capture debug for this? my wife is upstairs watching tv. i come downstairs; flip on the tv - starts up on a diff tuner, i switch channels to a satellite input - and it makes her tv upstairs change channels... tho it still thinks it's tuned to the current one. i believe it's a channel on the same transport, i'm guessing it COULD have something to do with multirec? |
| 20:36 | <hads> | I saw something vaguely similar once after multirec was merged. Wife changed channel in the bedroom and the channel info poped up on the lounge frontend. Only happened once though. |
| 20:37 | <Hannibal-> | i'm going to try setting the number of recordings down to 1 |
| 20:37 | <Hannibal-> | it's at 2 right now. |
| 20:37 | <Hannibal-> | it doesn't happen all the time, but it happens enough. |
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| 21:04 | <Chutt> | 16148:16193 |
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| 22:45 | <Chutt> | meh |
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| 23:10 | <Chutt> | dumb vfd :/ |
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| 23:32 | <Chutt> | man, ubuntu really is crappy at times |
| 23:32 | <Chutt> | all i want to do is recompile lirc |
| 23:33 | <Chutt> | well, the modules |
| 23:38 | <superm1> | Chutt, hardy or gutsy? |
| 23:38 | <Chutt> | hardy |
| 23:38 | <superm1> | lirc-modules-source should do it by its own |
| 23:38 | <Chutt> | m-a insists that lirc-modules-source isn't installed |
| 23:38 | <superm1> | via dkms |
| 23:38 | <Chutt> | i need to recompile it, local change |
| 23:38 | <Chutt> | to try to fix my vfd |
| 23:38 | <superm1> | add the local change to /usr/src/lirc |
| 23:39 | <superm1> | and then use dkms to recompile it |
| 23:39 | <Chutt> | commandline? |
| 23:39 | <superm1> | let me check , sec |
| 23:40 | <superm1> | it should be something like this: dkms -m lirc -v 0.8.3~pre1 build |
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| 23:41 | <superm1> | the exact command form the postinst is this |
| 23:41 | <superm1> | dkms build -m lirc -v $CVERSION > /dev/null |
| 23:41 | <superm1> | dkms install -m lirc -v $CVERSION --force > /dev/null |
| 23:41 | <superm1> | where CVERSION is the version installed |
| 23:41 | <superm1> | queried something like this |
| 23:41 | <Chutt> | had to do a remove, first |
| 23:41 | <superm1> | CVERSION=`dpkg-query -W -f='${Version}' lirc-modules-source | awk -F "-" '{print $1}'` |
| 23:42 | <Chutt> | Error! DKMS tree does not contain: lirc-0.8.3~pre1 |
| 23:42 | <Chutt> | Build cannot continue without the proper tree. |
| 23:42 | <Chutt> | after doing a 'remove' like it told me to in the error |
| 23:42 | <superm1> | you might have to readd it to the tree if you removed it |
| 23:43 | <superm1> | (dkms add -m lirc -v $CVERSION) |
| 23:44 | <Chutt> | thanks |
| 23:45 | <Chutt> | building |
| 23:45 | <Chutt> | yay |
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| 23:45 | <superm1> | no prob. the nicer thing about this versus module assistant is that it does it for u when you switch kernels |
| 23:45 | <superm1> | so if they decide to roll a 2.6.24-9-generic, you just upgrade your system like normal, reboot and its done |
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| 23:49 | <Chutt> | ah, nice |
| 23:49 | <Chutt> | it won't keep my local change, will it? |
| 23:53 | <superm1> | it will |
| 23:53 | <superm1> | your local change would only go away if you installed a newer lirc-modules-source |
| 23:56 | <Chutt> | yeah |
| 23:56 | <Chutt> | hrmph |
| 23:57 | <Chutt> | still garbage on the vfd |
| --- | Log | closed Fri Feb 22 00:00:14 2008 |