| Monday, January 12th, 2015, 00:33 UTC | ||
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| [00:56:51] | tgm4883: | in the users channel "dano2> So I tried to sign up to the forum to find out gmail is blocked." |
| [00:56:55] | tgm4883: | is that true? |
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| [01:32:24] | tgm4883: | stuartm: does this look valid https://bugs.launchpad.net/mythbuntu/+bug/1390965 |
| [01:40:37] | tgm4883: | Can someone merge https://github.com/MythTV/packaging/pull/45 |
| [01:41:02] | SteveGoodey: | Them Mythtv developers, they just don't care! :-) |
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| [07:52:42] | dekarl: | tgm4883: done and meh I've manually fixed https://github.com/mythtv/packaging/commit/78 . . . 9382473b52e1 many times, should have fixed it for everyone instead :/ |
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| [10:56:08] | stuartm: | tgm4883: looks like gmail found itself on one of the blacklists we use |
| [10:56:58] | stuartm: | I've disabled that blacklist |
| [10:59:51] | stuarta: | doh |
| [10:59:51] | stuartm: | dekarl: you self-assigned that optimisations ticket which tgm4883 was asking about a few months back |
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| [11:07:26] | stuartm: | dekarl: #12015 |
| [11:07:26] | ** MythLogBot http://code.mythtv.org/trac/ticket/12015 ** | |
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| [12:23:02] | MythBuild: | build #2259 of master-ubuntu-12_04-lts-64bit is complete: Failure [4failed unit test core] Build details are at http://code.mythtv.org/buildbot/builders/mast . . . /builds/2259 blamelist: Bryan ? <bryan@mlewallpapers.com > |
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| [12:26:20] | MythBuild: | build #229 of master-centos7–64bit is complete: Failure [4failed unit test core] Build details are at http://code.mythtv.org/buildbot/builders/mast . . . t/builds/229 blamelist: Bryan ? <bryan@mlewallpapers.com > |
| [12:26:23] | stuartm: | jya: one of the audio unit tests fails when building with O3 |
| [12:26:47] | stuartm: | S32ToFloatCvsSSE |
| [12:27:12] | stuartm: | actually, several audio units tests fail |
| [12:27:41] | stuartm: | well crap, that's not good |
| [12:29:19] | stuartm: | tgm4883: FYI, don't apply that optimisations patch to mythbuntu – it appears to break the audio sample rate conversions significantly |
| [12:32:10] | MythBuild: | build #2203 of master-ubuntu-current-64bit is complete: Failure [4failed unit test core] Build details are at http://code.mythtv.org/buildbot/builders/mast . . . /builds/2203 blamelist: Bryan ? <bryan@mlewallpapers.com > |
| [12:32:42] | MythBuild: | build #2571 of master-debian-wheezy-64bit is complete: Failure [4failed unit test core] Build details are at http://code.mythtv.org/buildbot/builders/mast . . . /builds/2571 blamelist: Bryan ? <bryan@mlewallpapers.com > |
| [12:46:43] | stuarta: | arse |
| [12:51:33] | MythBuild: | build #763 of master-f20-qt5–64bit is complete: Failure [4failed unit test core] Build details are at http://code.mythtv.org/buildbot/builders/mast . . . t/builds/763 blamelist: Bryan ? <bryan@mlewallpapers.com > |
| [12:51:54] | stuarta: | double arse |
| [12:52:58] | MythBuild: | build #1459 of master-f19–64bit is complete: Failure [4failed unit test core] Build details are at http://code.mythtv.org/buildbot/builders/mast . . . /builds/1459 blamelist: Bryan ? <bryan@mlewallpapers.com > |
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| [13:05:07] | stuartm: | could equally have been the no-math-errno switch, either way I'm trialling a version which limits optimisations to O2 and doesn't include the unnecessary optimisations that were included in that patch |
| [13:05:43] | stuartm: | just takes forever to do a full compile on this machine |
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| [13:07:43] | stuartm: | need to start saving for a completely new rig |
| [13:08:31] | stuarta: | i know the feeling. my "dev" box takes 45mins for a cold build |
| [13:10:48] | MythBuild: | build #1460 of master-f19–64bit is complete: Success [3build successful] Build details are at http://code.mythtv.org/buildbot/builders/mast . . . /builds/1460 |
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| [13:13:45] | MythBuild: | build #764 of master-f20-qt5–64bit is complete: Success [3build successful] Build details are at http://code.mythtv.org/buildbot/builders/mast . . . t/builds/764 |
| [13:18:09] | stuartm: | I'm particularly sick and tired of the case I'm using which dates from the early part of the last decade, but I've not been able to find anything I prefer which is reasonably priced |
| [13:21:09] | stuarta: | part of me would like to get another Intel NUC as a dev box |
| [13:22:19] | stuarta: | http://www.amazon.co.uk/gp/product/B00HVVKRRW . . . page_o07_s00 |
| [13:25:38] | stuarta: | only thing is, it end up being about £400 by the time you add everything you need |
| [13:29:49] | Merlin83b: | eBay Acer Revos do me just fine at a quarter of the price :) |
| [13:30:52] | MythBuild: | build #130 of 0.27-f20-qt5–64bit is complete: Failure [4failed compile core] Build details are at http://code.mythtv.org/buildbot/builders/0.27 . . . t/builds/130 blamelist: Stuart Morgan <smorgan@mythtv.org > |
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| [13:37:15] | dekarl-work: | stuartm, yes I wanted to rip all that old cruft out and replace it with *one* build. but ENOTIME |
| [13:38:26] | stuarta: | i have a lot of ENOTIME's |
| [13:38:41] | stuartm: | stuarta: yeah, I'd go small if I wasn't also using the box as a dev backend, I need the space for storage and pci tuners |
| [13:39:18] | stuarta: | stuartm: there's an H variant (aka high) which has space for a laptop drive |
| [13:39:22] | dekarl-work: | stuartm, I'm leaning towards avoiding PCI tuners due to most drivers being not good. |
| [13:39:29] | stuarta: | so all you then need is either usb or network tuners |
| [13:39:47] | stuartm: | I could always turn the existing box into a full-time backend and use something small for day to day work |
| [13:40:08] | stuarta: | dekarl-work: most modern pci tuners are actually "USB bridge" + "USB tuner(s)" |
| [13:40:35] | dekarl-work: | stuarta, that does not improve the quality of the linux drivers... |
| [13:40:48] | stuartm: | dekarl-work: curious, in the past it was the exact opposite – usb drivers were completely unreliable, but pci was preferred – also pci tended to be cheaper although that trend did completely reverse |
| [13:41:10] | dekarl-work: | stuartm, I'm looking at network attached ;) |
| [13:41:53] | dekarl-work: | do we need to add some test runs (trying to avoid saying unit tests) to the build so we detect broken optimization flags? |
| [13:42:01] | stuartm: | still, I've got pci tuners that work, binning them and spend more money on USB version (or a LOT more money on network attached tuners) just doesn't make sense atm |
| [13:42:08] | MythBuild: | build #2261 of master-ubuntu-12_04-lts-64bit is complete: Success [3build successful] Build details are at http://code.mythtv.org/buildbot/builders/mast . . . /builds/2261 |
| [13:43:05] | stuartm: | I do want to get a T2 tuner, might go USB for that |
| [13:43:08] | dekarl-work: | I agree. But my PCI tuners (with/without USB bridge) are not so realiable. So bad that I run production on a single tuner to get reliable recordings :/ |
| [13:43:40] | stuartm: | mine were fine one I disabled EIT scanning on all but the one tuner |
| [13:44:22] | stuartm: | can't remember the last time I lost a recording to a hardware/driver issue |
| [13:45:34] | dekarl-work: | yes, channel changes due to EIT scanning are a major factor |
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| [13:51:50] | MythBuild: | build #231 of master-centos7–64bit is complete: Success [3build successful] Build details are at http://code.mythtv.org/buildbot/builders/mast . . . t/builds/231 |
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| [14:02:34] | MythBuild: | build #2573 of master-debian-wheezy-64bit is complete: Success [3build successful] Build details are at http://code.mythtv.org/buildbot/builders/mast . . . /builds/2573 |
| [14:12:03] | MythBuild: | build #2204 of master-ubuntu-current-64bit is complete: Success [3build successful] Build details are at http://code.mythtv.org/buildbot/builders/mast . . . /builds/2204 |
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| [14:35:14] | stuartm: | ugh, these configure changes are defeating me, shouldn't be this difficult |
| [14:49:17] | sphery_: | stuartm: FWIW, I half remember jannau saying that the reason we don't accept -O is because various parts of MythTV (mainly ffmpeg) require specific -O levels to function correctly |
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| [14:50:14] | stuartm: | sphery: yeah that's true, this isn't so much about accepting -O as an argument to configure, but enabling optimisations generally |
| [14:50:58] | stuartm: | we currently have optimisations enabled for ffmpeg, but the rest of MythTV is being built without any (except arch), this is a regression |
| [14:51:10] | sphery: | oh, I didn't realize that part |
| [14:52:19] | stuartm: | it's actually a split between C and C++ flags, the latter aren't being set, ffmpeg is C, myth is C++ – so ffmpeg is optimised but nothing else is |
| [14:53:51] | sphery: | ah... and from what I remember of Janne's comments on it years ago, it does sound like you'll have a nice challenge |
| [14:54:51] | sphery: | sorry for the distraction, but didn't know if the info could be helpful |
| [14:54:56] | dekarl-work: | If I can fix ENOTIME, the first step would be to merge the build of mythtv and mythplugins, flags set for one don't make it to the other in our packaging (IIRC) |
| [14:54:56] | sphery: | good luck with it |
| [14:56:13] | sphery: | dekarl-work: I'd love to fix that ENOTIME issue, myself |
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| [15:46:58] | stuarta: | this looks nice http://gitblit.com/ |
| [15:48:14] | stuarta: | shame about it being java based |
| [15:49:20] | dekarl-work: | haha, was about to say something like "oh more shiny Java, fits well with the Atlas EPG code" ;) |
| [15:49:25] | stuartm: | dekarl-work: well optimisations making it to mythplugins isn't such a serious issue, the performance sensitive stuff is all in the libs, frontend and backend |
| [15:50:17] | dekarl-work: | stuartm, *one* build would make unit testing plugin code easier, no need to install before you can test |
| [15:54:45] | dekarl-work: | stuartm, getting optimization for mythmusic visualizers might be nice though |
| [15:55:41] | stuartm: | visualiser code was copied into libmythtv or libmythui (can't remember which), although mythmusic hasn't been updated to actually use it there yet |
| [15:56:28] | stuartm: | it was part of Mark's work at supporting audio-only playback in the internal player, video is replaced by the visualisations |
| [15:56:56] | stuartm: | but the idea was that ultimately mythmusic would invoke the internal player instead of duplicating it |
| [15:57:57] | dekarl-work: | hm, appears that the copy was incomplete though |
| [15:58:18] | stuarta: | possibly intentionally? |
| [15:58:37] | dekarl-work: | getting rid of an external music plugin sounds sensible. given that radio on DVB-S and radio on shoutcast are not so much different |
| [15:59:13] | dekarl-work: | who knows... at least the build isn't broken :) |
| [15:59:30] | stuartm: | dekarl-work: incomplete as in not all of the visualisers were moved? |
| [15:59:53] | dekarl-work: | stuartm yes, e.g. synaesthesia.cpp appears to have not made it |
| [16:00:14] | stuartm: | I think there was a reason for that, but I don't remember what it was now |
| [16:00:35] | dekarl-work: | and bumpscope (whatever that is) |
| [16:00:39] | stuartm: | what's there works though, or did the last time I tried it – mythavtest /path/to/an.mp3 |
| [16:01:44] | stuartm: | dekarl-work: bumpscope is a bump-mapping effect scope with roving dynamic lighting, not really very interesting visually but one of the more technically cool effects |
| [16:02:11] | dekarl-work: | I vaguely remeber having switched the video stream to a visualizer not so long ago when looking around the present streams of a recording |
| [16:07:57] | dekarl-work: | so much duplication, the visualization code contains the audio functionality that jy a added to libmyth (converting audio between planar and interleaved, and 8bit->16bit) |
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| [16:08:32] | dekarl-work: | incl. a mono deinterleaver |
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| [16:43:11] | stuartm: | well I have a patch which appears to do the correct thing wrt applying -O2 to cxx and -O3 to c, but it's not pretty and it remains to be seen if it avoids the math errors seen following the original |
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| [17:10:20] | stuarta: | dekarl: in b0f4371620c6a144ba91d0db57a1baa6d488476b there is a completely redundant if else section. the same thing `mark += 1;` is done on both branches |
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| [17:21:06] | stuarta: | [39686c6] |
| [17:21:23] | stuarta: | sigh, where is a bot to do your hard work for you? |
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| [17:41:13] | stuartm: | https://github.com/MythTV/mythtv/commit/39686c6 |
| [17:41:41] | stuartm: | stuarta: note, the qt keyboard was removed entirely after the 0.27 release |
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| [17:41:57] | stuartm: | so it's a 0.27-only issue |
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| [17:49:33] | dekarl: | stuarta, it wasn't always += 1 and I'm not confident that its the correct thing in both instances, so I left it in |
| [17:49:42] | dekarl: | the compiler is allowed to take care of it ;) |
| [17:50:29] | dekarl: | Its hard to figure out whats right when every implementation (without out code) acts differently :/ |
| [17:51:29] | dekarl: | s/without/within/ oh my |
| [17:51:34] | dekarl: | s/out/our/ |
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| [18:54:52] | stuartm: | doh, so even with O2 the unit tests fail |
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| [19:01:03] | stuartm: | jya: any theories on which of the gcc optimisations activated by O1 or O2 might be causing the audio samplerate conversion unit tests to fail? |
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| [19:02:00] | stuartm: | if we know which one it is I can explicitly override it while keeping the rest of the optimisations enabled |
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| [20:05:17] | stuartm: | looks like it's one of the -O1 optimisations |
| [20:07:21] | stuartm: | could take a week to enable/disable them one at a time to narrow it down |
| [20:09:15] | tgm4883: | stuartm: How much would those potentially help? |
| [20:11:58] | stuartm: | difficult to quantify, the full range of optimisations together could improve performance as much as 10–20% on certain systems, and on others it might not even be noticeable |
| [20:12:26] | stuartm: | i.e. when optimisations were accidentally disabled two years ago no-one actually noticed |
| [20:13:00] | stuartm: | the drop in performance wasn't apparently that noticeable |
| [20:14:00] | stuartm: | we're only talking about the bits of mythtv which are written in C++, so not video decoding for example, optimisations continued to be run for that code |
| [20:16:31] | tgm4883: | hmm |
| [20:16:53] | tgm4883: | so the parts that would see it would be things like the commercial flagging stuff, transcoding stuff, etc? |
| [20:16:56] | tgm4883: | mythfrontend? |
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| [20:21:22] | stuartm: | yes, to some extent those would all benefit, except where they use ffmpeg code |
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| [20:25:54] | stuartm: | reading up on the O1 optimisations in the hope that there is an obvious candidate |
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| [20:32:02] | stuarta: | evening all |
| [20:33:24] | ** stuarta ponders what to break today ** | |
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| [22:18:18] | stuartm: | I've updated the channel icon grabber to use the HD version of icons where available, checking for their existence slows it down but we run it infrequently |
| [22:18:51] | stuartm: | it will wipe out most existing icon matches, but there's nothing I can do about that |
| [22:19:02] | stuarta: | stuartm: did you make notes ;-) |
| [22:19:17] | stuartm: | it's in a git repo, so no |
| [22:19:25] | stuarta: | :) |
| [22:20:25] | stuartm: | this is going to result in a bit of pain for users searching for icons in the next few weeks since there'll be practically no existing pre-approved matches |
| [22:20:43] | stuartm: | but people asked for it ... so they'll get it |
| [22:21:01] | stuarta: | that whole thing needs an overhaul |
| [22:21:57] | stuartm: | it needs work, but really it's not bad at all – incomplete rather than being broken |
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| [22:22:37] | stuarta: | the lookup part yes, that works reasonably well |
| [22:23:13] | stuarta: | the webui is the part that needs burning to the ground |
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| [22:28:30] | stuartm: | ok, for stations beginning with A just 5% of the old icons remain, so this is basically going to wipe all the existing matches, started to regret not building in some logic to match hd counterparts against existing icons – so I've killed the scan and will work on that tomorrow |
| [22:34:10] | stuartm: | ah crap, looks like killing the scan halfway through just made it much worse, wiped the lot ... |
| [22:34:32] | stuartm: | oh well, spilt milk and all |
| [22:37:57] | stuartm: | this time maybe everyone can help out and approve icons so we keep on top of it and don't end up with a massive backlog like last time |
| [22:38:17] | stuarta: | well hardly anyone has access to do that |
| [22:38:23] | stuarta: | and that's part of the issue |
| [22:40:25] | stuartm: | true, I need to add some auto-approval logic, but we do need some manual intervention, this crowd sourced data is imperfect |
| [22:42:10] | stuartm: | if users can't immediately find the correct icon they just pick something that's 'close enough', so you end up with icon matches with 50+ submissions for a completely different channel in a different country that has a similar name |
| [22:42:45] | stuarta: | well it also needs to be more narrow in what it returns |
| [22:43:12] | stuarta: | we need to add filtering, if it's not already there |
| [22:43:42] | stuarta: | there's one other way. take the lyngsat selected icon for the channels in question |
| [22:43:54] | stuarta: | as the suggested default |
| [22:44:13] | stuartm: | we do filter, exact matches are listed first, good matches after that, and then anything which is a partial match – if you don't include the latter you just end up with even more bad submissions because the correct icons aren't even shown |
| [22:44:52] | stuartm: | stuarta: lyngsat don't map them in a way we can use |
| [22:45:31] | ** stuarta ho hums ** | |
| [22:46:33] | stuartm: | we look for name matches, but if there are variations in the name i.e. the user has an abreviated version (National Geographic Plus = Nat.Geo+) then we've limited options |
| [22:46:57] | stuartm: | and that's where most of the bad matching happens |
| [22:47:15] | stuarta: | they have these which might be scrapable http://www.lyngsat.com/packages/Sky-UK.html |
| [22:51:48] | stuartm: | for satellite yeah, we might be able to make something of it |
| [22:54:03] | stuarta: | but that's a project for another day |
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| [22:56:09] | stuartm: | definitely |
| [23:00:34] | stuarta: | on another note, i thought forum would be a nice easy candidate to put into git |
| [23:00:57] | stuarta: | but the default setup, contains installer files which you delete post setup and it's all interactive |
| [23:01:04] | stuarta: | serious pain in the arse |
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| [23:11:57] | tgm4883: | stuartm: I'm told theres nothing I can do on my end for the errors.ubuntu.com, so let me know if it gets denied for any reason |
| [23:13:12] | stuartm: | tgm4883: I've been given access |
| [23:13:20] | tgm4883: | stuartm: sweet |
| [23:13:42] | tgm4883: | I hope the stuff in there is helpful |
| [23:14:13] | stuartm: | so far all the 'top' issues are either in python scripts, or old issues which don't seem to be present anymore, but something may yet turn up |
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| [23:19:39] | tgm4883: | stuartm: have you dug into any of the reports deeper? |
| [23:20:41] | stuartm: | tgm4883: not yet |
| [23:21:55] | stuarta: | haha. i may have to learn python. the beautifulsoup parser looks like just the thing i'd like to use to talk to lyngsat |
| [23:22:21] | stuarta: | input: html, output: page as a python object |
| [23:22:29] | stuarta: | anyway. bedtime |
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