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| [06:36:18] | jya_: | stuartm: are the MythComboBox, MythSlider, MythCheckBox etc… which all derive from the QWidget of the same name still use today? or is that something that is a legacy of the old Qt screen? |
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| [09:16:47] | warpme: | jya: I do brief tests on my production system (spearated FE/BE, 0.27-fixes with all LiveTV commits backported from devel/ringbuffer) and so far results seems to be very good. Seek is v.fast, program transitions are usually immposible to notice; issue with "failed to open decoder" gone; X org mode "touches" are very sledom. |
| [09:17:32] | warpme: | Seldom – but they happens sometime (1 per 30–50 channel changes). |
| [09:17:52] | jya_: | and they never happen before? |
| [09:18:11] | jya_: | that’s surprising… I can’t think why it would do it now but not before |
| [09:18:30] | warpme: | Weell, I would say yes, never in past |
| [09:18:33] | jya_: | and you do get “failed to open decoder†? that’s no good… Even if seldom |
| [09:19:08] | warpme: | no, no – "failed to open" issue gone :-) |
| [09:26:18] | warpme: | when comparing devel/ringbuffer to current master I see many improvements and only 2 slight "regressions": 1st is this seldom "X org mode touches" and 2nd is more frequent "loop of jumping old/new channels pictures". I think second issue isn't related to recent LiveTV changes (it is separate bug) – but now it happens more freguently. When this issue happens – FE log shows "VDPAU: Error at mythrender_vdpau.cpp:1534 (#25, A catch-all error, us |
| [09:26:18] | ** MythLogBot http://code.mythtv.org/trac/ticket/25 ** | |
| [09:29:43] | warpme: | jya: "X org mode touches" happens only when I zap between different mplexes. Zapping on channels within mplex is OK (and now really fast :-) ) |
| [09:30:30] | jya_: | warpme: yes, I’ve noticed that, during channel transition, sometimes you see a still frame of a previous program… no idea where that one is coming from |
| [09:31:31] | warpme: | jya: my tests were with only FE having applied recent commits. Today I'll apply chages also to BE and do some more tests. |
| [09:32:08] | jya_: | warpme: none of my changes have an impact on the BE |
| [09:32:22] | jya_: | so no need to apply on the BE |
| [09:33:25] | warpme: | jya: maybe "still frame issue" is because decoder gets messed by receiving new stream which is starting not with I-frame? |
| [09:34:39] | warpme: | jya: yes, I remember changes are "FE-only". But to provide You full info and to have BE-FE in sync – I have practice to keep the same code on both :-p |
| [09:35:15] | jya_: | warpme: but then it would be the same before… |
| [09:35:40] | warpme: | jya: ?? |
| [09:35:53] | jya_: | fundamentally there’s no much difference between before and after, except that now I do everything in RAM up to what the buffer can hold. So seek etc… doesn’t flush the buffer like it used to do |
| [09:37:29] | stuarta: | jya_: that makes far more sense |
| [09:38:02] | stuarta: | even a crappy system, with crappy io should be able to analyze a few streams quickly from ram |
| [09:38:31] | warpme: | jya: I'm not sure do I get it correctly: it this mean that backporting all LiveTV changes from devel/ringbuffer to BE will make things worse than now (now I have FE code with all backports and BE code without last Saturday changes)? |
| [09:39:30] | jya_: | stuarta: danielk did some tweak in the FileRingBuffer seek, so if you try to seek at end-250,000 it goes into a special mode etc… problem is that with liveTV, you often don’t have 250k file yet when playback start. so it never entered that mode. So if flushes the buffer, seek to the end, read, seek to 0, flushes again… so we end up having to wait several cycles for the ringbuffer to refill |
| [09:40:32] | jya_: | so now, in liveTV, I load the ringbuffer non-stop, and i do as if the ringbuffer was a file in itself. can seek into it, read, peak.. the content is always preserved.. it saved a fair amount of time… |
| [09:40:58] | stuarta: | i am not surprised |
| [09:41:13] | jya_: | warpme: what is in devel/ringbuffer only affects the FE… Everything is in master otherwise |
| [09:41:31] | jya_: | so sure, you can build the backend over devel/ringbuffer, but I’m not expecting a problem |
| [09:42:11] | jya_: | stuarta: what I changed following warpme report, is try to find a stream in the ringbuffer, if it fails, I re-retry for 1.5s, if that still fails it goes back to the previous method. |
| [09:42:32] | jya_: | I believe this makes stichnot hack of faking the size of the file to be in GB unecessary |
| [09:43:00] | jya_: | all faking the size did was make ffmpeg fail when seeking, so it retries longer |
| [09:43:23] | warpme: | jya: speedup is especially noticable when user zaps between channels on the same mplex. With tunings I done withing Disecq code (related to Unicable) and Your recent improvements – I hava zap time 1–1.5sec. This is better than many commercial STBs !!! |
| [09:43:58] | warpme: | 1–1.5sec including CAM processing! |
| [09:44:33] | jya_: | warpme: yes.. I find that changing channel between the same multiplex is now almost instantaneous |
| [09:45:06] | jya_: | it’s still much faster between different mplex, even if slightly longer |
| [09:45:44] | jya_: | and now I’m running out of ideas on how to improve liveTV, short of ditching everything and restarting from scratch… In particular not using recordings as such… |
| [09:46:02] | jya_: | I’m very tempted… but the will is evaporating very quickly |
| [09:49:50] | warpme: | jya: agree – "recording" approach to LiveTV (instead of simple real-time feeding tuner output to FE) is high complication – but on the other hand it gives unique features like LiveTV history browsing or access to LiveTV as recordings. I think this is clear differentiator over competition and maybe it's worth to keep as differenctiator... |
| [09:50:13] | jya_: | warpme: no reason this couldn’t still be the case.. |
| [09:50:39] | jya_: | the issue is more the matter of having the FE having to switch between files, restarting the whole player just when a program ends and another one start |
| [09:50:45] | jya_: | that’s very messy |
| [09:50:53] | warpme: | jya: ah I see. The this will be PERFECT!. Ussually such rewrite give much better quality! |
| [09:51:24] | stuarta: | in memory splicing cannot be that difficult |
| [09:51:53] | jya_: | what I had in mind was the BE continue to do like it does now, using files for each program. But it streams to the FE as a continuous mpeg-ts stream… with an extension to the myth protocol, so when you seek it’s much faster. and transition will be perfect |
| [09:52:25] | stuarta: | i like that plan |
| [09:52:39] | warpme: | jya: yes. sounds really nice! |
| [09:52:57] | jya_: | the frontend as such would directly access the ringbuffer used by the BE.. no need to write a file, only to read it just after… Having to worry about flush, disks, cache etc |
| [09:53:27] | jya_: | that’s when playing live of course |
| [09:53:45] | jya_: | if playing behind etc… then obviously, we have to re-read from the file |
| [09:53:58] | jya_: | but I let the backend worrying about that |
| [09:54:33] | jya_: | anyhow.. that’s what I had in mind if the last set of changes didn’t fix the problems I wanted to fix.. It seems it does.. so maybe that’s enough |
| [09:54:50] | jya_: | LiveTV has been extremely stable for me, I haven’t had a failed liveTV session in weeks |
| [09:55:08] | stuarta: | jya_: WAF improved then? |
| [09:55:10] | jya_: | if liveTV is started and it plays continously, I’ve never seen it hangs or exit |
| [09:55:24] | jya_: | oh yes… I’m even going to be a dad again :) |
| [09:55:31] | stuarta: | congrats :) |
| [09:55:41] | warpme: | jya: indeed. recently livetv works really well! |
| [09:55:57] | stuarta: | i look forward to the day my 2 both sleep through, so i can get some sleep |
| [09:56:07] | jya_: | how old are they |
| [09:56:07] | jya_: | ? |
| [09:56:29] | warpme: | jya: how nice. At what date there will be more ppl on earth? |
| [09:56:31] | jya_: | my 4 and 5 rarely wake up during the night these days… |
| [09:56:51] | jya_: | oh, it’s very early…. November 6th |
| [09:57:07] | jya_: | shouldn’t be talking about it yet Im told |
| [09:57:33] | warpme: | :-) |
| [09:58:53] | stuarta: | 1.25 and 4.5 |
| [09:59:05] | stuarta: | jya_: 1.25 and 4.5 |
| [09:59:24] | stuarta: | the 4yr old is fine, it's the 1.25 that's proving troublesome |
| [10:00:20] | warpme: | jya: yeah, 1.25 age frequently need this nice attention.... |
| [10:00:25] | jya_: | ah yes.. I can imagine… Thinking back, I’m not sure having a 3rd was the best idea.. Just when life started to be easy once again. With the kid at school most day, able to handle themselves like making breakfast, getting dressed … |
| [10:00:39] | jya_: | and we all dive to do it again… crazy |
| [10:00:50] | warpme: | :-)))))) |
| [10:01:14] | jya_: | though, I increase by 33% the chance of someone looking after me when I’m older |
| [10:02:43] | warpme: | jya: Yes. This is v.important thing. Here in Poland dempgraphy looks dramatic. Now we have every 5 working ppl for every 1–2 retired. For 2030 projections are 1:1 |
| [10:03:23] | warpme: | this will be disaster from penssion point of view :-( |
| [10:07:11] | jya_: | the population in Oz is already 15% of the population is over 65, and the median age is 41 |
| [10:07:56] | jya_: | warpme: here the pensions are self-funded… you save for your own retirements. unlike some places in Europe where its mutualised |
| [10:08:44] | warpme: | jya: I'm wonder about penssion system: do You have more EU-like (with inter-generation agreement) or more like US (where everybody need to magage this more himself)? |
| [10:09:04] | warpme: | s/magage/manage/ |
| [10:11:01] | jya_: | my backyard neighbour has decided it was a good idea to install a massive spotlight.. I can’t actually look through my window without getting completely blinded (it’s nighttime here).. |
| [10:11:14] | jya_: | may have to follow the steps of this guy: http://distractify.com/fun/pranks/letters-bet . . . -floodlight/ |
| [10:11:59] | warpme: | right. i see. never was sure which is better....but taking into accout last crisis from 2008 I'm little scary about whole long-term situation in financial world.... |
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| [11:23:57] | jya_: | warpme: so would it be okay for me to merge devel/ringbuffer into master? |
| [11:24:17] | jya_: | on average how many fail channel change do you get? is it often? |
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| [11:55:22] | stuarta: | jya_: do you know if the steps you use to create and publicly push a devel repo are documented somewhere? |
| [11:55:42] | jya_: | stuarta: every time I google how to push a remote branch :) |
| [11:55:54] | stuarta: | haha |
| [11:55:56] | jya_: | and it must be with a name: devel/blah |
| [11:56:19] | stuarta: | yep, last time i tried it bitched at me |
| [11:56:27] | jya_: | git push -u origin devel/mynewfeature |
| [11:56:41] | stuarta: | cool |
| [11:56:42] | jya_: | the -u makes it follow the new branch automatically, so you can do git pull |
| [11:56:57] | stuarta: | nice |
| [11:56:57] | jya_: | to create your new branch: git checkout -b devel/mynewfeature |
| [11:57:16] | stuarta: | it's the push -u origin i was missing |
| [11:57:25] | jya_: | to delete your remote branch: git push origin :devel/mynewfeature |
| [11:57:37] | jya_: | you don’t have to add -u |
| [11:58:05] | jya_: | but then next time you do git pull from your new branch, it will tell you that you’re not following any branch, and give you a command line on what to do to follow it |
| [11:58:21] | jya_: | -u is an alias for --set-upstream |
| [11:58:33] | jya_: | luckly it’s all fresh in my memory, because i just created devel/ringbuffer |
| [11:58:54] | stuarta: | thats why i asked :) |
| [12:10:48] | warpme: | jya: regarding merging with master – pls give me one evening for more tests. I'll return to You tommorow with more feedback |
| [12:10:58] | jya_: | ok |
| [12:11:59] | jya_: | Qt stylesheet on the mac is really mega buggy.. I can’t figure out why it does what it does... |
| [12:12:53] | jya_: | Like I make the QCheckBox text white using a QPalette. And it appears white just like what I want to. But the instant I put focus on it, it turns back to black and it stays that way no matter what I do |
| [12:13:43] | jya_: | if I use stylesheets, as soon as I modify a color, the check mark disappear completely |
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| [12:17:30] | ** stuarta sets mode +BUSY ** | |
| [12:17:31] | stuartm: | jya_: maybe we can make the mythui based setting stuff a priority |
| [12:18:54] | stuarta: | stuartm: did you mark all the non mythui stuff depreciated? |
| [12:19:54] | stuartm: | not the settings widgets since it would make the builds far too noisy, but everything else which hasn't yet been removed should be marked |
| [12:20:09] | jya_: | i had hoped I could have fixed it easily on a mac… I’ve created a few class in mythwidget.h (MythGroupBox, MythLabel), then modified the constructor of all the other so it sets the stylesheet for a mac … but it behaves weirdly.. the same code works on linux.. |
| [12:20:43] | jya_: | I understand QPalette support seldoms work on a mac, and there’s a bug report about that (which like most Qt bugs gets burried in time) |
| [12:21:18] | jya_: | I could have change main.cpp on mythfrontend and mythtv-setup with qApp->setStyleSheet(“…â€) |
| [12:21:30] | jya_: | but I found that a bit uglier… and it’s already not pretty |
| [12:22:42] | jya_: | the QComboBox also displays weirdly. On the mac, the highlight color when select is blue. And the text is white when I move the cursor over it. but if I start typing text, the text becomes black, in the dark blue highlight |
| [12:22:46] | jya_: | almost unreadable |
| [12:26:50] | jya_: | http://stackoverflow.com/questions/22761517/c . . . x-text-color |
| [12:26:54] | jya_: | anyone ? |
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| [12:54:37] | jya_: | ah ah ! I found why the stuff change colors and never change back |
| [12:54:58] | jya_: | MythCheckBox changes the palette when the stuff gets a focus event. |
| [13:02:47] | stuarta: | bad mythcheckbox |
| [13:03:14] | jya_: | i don’t even believe what it does is necessary |
| [13:03:21] | stuarta: | unlikely |
| [13:03:25] | jya_: | that’s all default behaviour in qt |
| [13:03:59] | jya_: | when a checkbox has the focus, it automatically highlights it |
| [13:07:43] | jya_: | random static analyser warning from clang: http://pastebin.com/jBjfsBeA |
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| [14:01:03] | stuartm: | so images are broken on the wiki following an upgrade, not sure of the cause atm although it's obviously perms related, I'll have to fix it later as I've run out of time to work on it |
| [14:04:04] | stuarta: | i'll see if can work it out |
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| [15:17:41] | jya_: | done… settings are usable on a mac finally |
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| [15:44:06] | jya_: | warpme: I’ve had a silent failure changing channels. It just returns to the main menu… However, I’ve been able to reproduce with stock master (and 0.27) on my mac… Occurs very consistently when changing between HLS recorder and a 1080i channel |
| [15:44:54] | stuarta: | consistency is good |
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| [15:48:50] | jya_: | except when you have no idea about that consistency… and something that has worked fine for years suddenly fail…. consistently |
| [15:52:43] | stuarta: | i wonder if it was a race condition that no longer races and just plain fails since your changes? |
| [15:54:21] | jya_: | stuarta: not sure, I reverted to a much older version, prior to my changes, and it still occurs |
| [15:54:43] | jya_: | in fact right now I’m stuck on a HLS channel (Al Jazeera) as this is the last successful channel |
| [15:54:53] | jya_: | trying to change channels back to DVB always fail |
| [15:55:05] | jya_: | will check tomorrow. it’s 3AM here, I’m exhauster |
| [15:58:28] | jya_: | stuartm: what was the virtual keyboard setting you removed from the old Qt widgets? |
| [16:04:51] | stuartm: | jya_: pressing selecting while on a text widget would pop up an on-screen keyboard (like a phone or tablet) so you could enter text without a keyboard by moving the cursor around it |
| [16:05:14] | jya_: | and that got removed |
| [16:05:15] | jya_: | ? |
| [16:05:51] | stuartm: | jya_: yes, since the old stuff is meant to be going away :) |
| [16:06:16] | jya_: | ah ok… so let’s make it unusable to convince the dev to port them quicker :) |
| [16:06:38] | stuartm: | it's still there for the new mythui bits, I just got rid of the old qt widget based implementation (there was a huge amount of otherwise unused code associated with it) |
| [16:06:52] | stuartm: | jya_: mostly :) |
| [16:10:04] | jya_: | i was pointed to a ticket where most settings have been redone with mythui not long ago |
| [16:10:29] | jya_: | could at least do the frontend ones |
| [16:11:01] | stuartm: | yeah, that's the stuff we'll be merging eventually, but there's some bitrot in those patches and they need careful testing |
| [16:12:05] | stuartm: | I was hoping that merging and testing them would be a joint effort, although in the past I've struggled to get anyone to even look at the patches, let alone install them :/ |
| [16:12:36] | stuartm: | knightr was working on bringing them up to date, but he ran out of free time and couldn't continue |
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| [16:14:48] | stuartm: | the whole behaviour of the settings with those patches is radically different from the current approach, hence why I'd prefer to get more devs to sign off before investing time and effort only to endure endless complaints about the changes |
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| [16:25:30] | stuartm: | wagnerrp: let me know if anything seems broken following the wiki upgrade, we made the jump from an unsupported 0.18.2 to the latest to benefit from recent security fixes |
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| [17:58:59] | paul-h: | jya: you are right it is the resampler that is causing the high cpu usage disabled 12%, fastest 30%, good 46% and best 111%. best was not surprisingly unusable due to the audio breaking up |
| [18:00:51] | paul-h: | I couldn't tell any difference between the audio quality so I'll stick with disabled. Thanks for pointing me in the right direction :) |
| [18:06:02] | paul-h: | jya: this was on a AMD Phenom(tm) 9950 Quad-Core Processor so not exactly a slow cpu either |
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| [19:39:45] | stuarta: | Beirdo: long time no see! |
| [19:40:20] | wagnerrp: | i don't thing he's actually around |
| [19:40:24] | wagnerrp: | just his server cycling |
| [19:40:32] | stuarta: | :( |
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| [21:15:18] | stuarta: | hmm alcor suffers the same lack of entropy the forum did |
| [21:15:21] | ** stuarta fiddles ** | |
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| [21:16:42] | stuarta: | fixed |
| [21:18:11] | stuartm: | ouch |
| [21:21:20] | stuartm: | which fix did you go with? |
| [21:24:20] | stuartm: | ah, havegd |
| [21:37:35] | stuarta: | yes, haveged |
| [21:43:10] | stuarta: | it's now my standard fix for the issue, this is the other option -> http://www.entropykey.co.uk/ |
| [21:43:24] | stuarta: | they are really cool, and really cheap |
| [21:43:29] | stuarta: | like £30 |
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| [22:14:03] | stuarta: | okay, the powerline network upgrade was worth it. i can now watch an HD program streamed from the backend |
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| [23:25:04] | jya: | paul-h: that’s very surprising… Good shouldn’t take more than 4–5%… If you set it to disabled, alsa library will do the resampling. From there you can use exactly the same settings as alsa can be configured to use libsrc too |
| [23:25:13] | jya: | still 12% is surprisingly high |
| [23:25:43] | jya: | also surprising it would need to resample, most audio card supports 44.1kHz natively |
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