Beirdobot, irc.freenode.net

Tuesday, January 8th, 2019, 00:10 UTC

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[07:09:24]

peper03:

mark____: I think in this case, the precision of the float is always going to be sufficient. I'd be interested to know whether the floating point code/hardware is optimized for 2^N values. I understand the principle, of course. I just have no idea whether the implementation matches that.

[07:09:32]

peper03:

I assume the '(2*

[07:10:13]

peper03:

Sorry. The '(2 * col_width)' is only determined at run-time?

[07:18:47]

mark____:

peper03: compile time for glsl – which is c++ run time on video setup:) so it is pre-calculated. though to be honest, we don't stress even the oldest of gpus when it comes to calculations. texture sampling is by far the biggest slow down

[07:21:51]

peper03:

mark____: OK. Good to know!

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[09:50:48]

stuarta:

mark____: so do we think after your commits this morning we should be in a place to cut the branch, or should we wait for some cross testing from peterbennett and other devs?

[10:01:51]

markspieth2:

mark____: unfortunately yes. unless you cash force int16 as integer which from reading I don't think is possible.

[10:02:51]

MythBuild:

Build master-ubuntu-18_04–64bit #81 is complete: Failure [failed test (failure)] – https://code.mythtv.org/buildbot/#builders/22/builds/81

[10:02:51]

** MythLogBot https://code.mythtv.org/trac/ticket/81 **

[10:03:35]

markspieth2:

I also changed all the constant renders to 16 digits to minimize rounding errors. I think that was worthwhile.

[10:04:23]

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[10:06:19]

stuarta:

hrm, MythLogBot is going to have to ignore MythBuild

[10:08:14]

markspieth2:

the other thing I noticed that the deinterlacing algos assumed that top left was origin whereas bottom left is. fixing that made a noticeable difference in quality esp y12 chroma sampling which is not deinterlacing.

[10:08:39]

markk_:

stuarta: I'm pretty comfortable with those commits. The last has had a few hours of testing with as many configurations as my sanity could handle.

[10:09:15]

markk_:

Am stuck in jury service this week and next – so dev time now limited:(

[10:10:03]

markspieth2:

for precision issues perhaps provide the same image twice to the gl alo offset by half a line

[10:10:06]

stuarta:

markk_: okay, thanks for the feedback.

[10:11:25]

markk_:

markspieth2: yv12 chroma sampling is still borked. I think it is trying to handle chroma upsampling issue but failing

[10:12:12]

MythBuild:

Build master-ubuntu-18_04–64bit #82 is complete: Success [build successful] – https://code.mythtv.org/buildbot/#builders/22/builds/82

[10:12:12]

** MythLogBot https://code.mythtv.org/trac/ticket/82 **

[10:12:12]

markk_:

I'm going to try and improve yv12 by using 3 textures. Should improve performance

[10:12:46]

** stuarta reduces the number of cpus on the ubuntu-18.04 builder and restarts the build **

[10:12:59]

stuarta:

well it completed whilst i typed that

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markk_:

markspieth2: slightly confused – do you have local changes to the GL code? Some of those changes you talk about dont appear to be in master...

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[13:22:11]

markspieth:

markk__: I have a patch set which works better for android and have been trialling them locally but am not sure whether they are good. I send them to the mailling list a while back. I will repost for your perusal.

[13:30:43]

markspieth:

see #13230

[13:30:43]

** MythLogBot https://code.mythtv.org/trac/ticket/13230 **

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[21:26:12]

mark____:

markspieth: thanks for that. do you really think using 16 decimal places is helping? I don't see anything on deinterlacingtop/bottom – only removing the silly yv12 stuff

[21:26:31]

mark____:

stuarta: how's the release going? :)

[21:27:57]

stuarta:

assuming nothings broken i could probably cut it now

[21:28:05]

kwizart:

hi there, any info why vaapi backend are blacklisted in mythtv ?

[21:28:34]

mark____:

vaapi backend??

[21:28:55]

stuarta:

kwizart: no vaapi blacklisting to my knowledge

[21:28:57]

kwizart:

which made me use xv and discover that my adapter is not supported

[21:29:04]

kwizart:

https://paste.fedoraproject.org/paste/yI07vVt4kpI-Xe1QqrmyDQ

[21:31:30]

kwizart:

stuarta, it's more some entrypoint that are not supported , looking at libmythtv/vaapicontext.cpp

[21:31:33]

kwizart:

IZZ (UNSUPPORTED)

[21:31:35]

kwizart:

etc

[21:31:46]

stuarta:

that's normally the encoding profiles

[21:31:57]

stuarta:

kwizart: please pastebin `vainfo` output

[21:32:00]

kwizart:

I exepct that's the reason why I cannot set vaapi, but maybe there is another reason

[21:32:36]

stuarta:

if you can't select it, it's normally because it was built without it

[21:32:52]

stuarta:

which if you (as i suspect) are using fedora packages i'd be surprised

[21:32:52]

kwizart:

stuarta, https://paste.fedoraproject.org/paste/f2~5QYOXG~ZX44D0NcoIgQ

[21:33:12]

mark____:

VAEntrypointVLD is the only entry point that actually works – god knows why they added the others.

[21:33:27]

kwizart:

stuarta, I can select it, but then it fails to setup a display

[21:33:34]

stuarta:

kwizart: logs please

[21:33:50]

stuarta:

VAEntrypointVLD <- are the decoding entry points

[21:34:02]

stuarta:

VAEntrypointEncSlice <- are the *encoding* entry points

[21:34:30]

stuarta:

VAEntrypointVideoProc <- i believe is the chain used for de-interlacing

[21:35:09]

stuarta:

kwizart: ah, also assuming fedora, are you using wayland?

[21:35:30]

kwizart:

stuarta, no

[21:35:47]

stuarta:

no? okay, then we need to see some logs

[21:35:47]

** kwizart tries to reproduces the logs **

[21:35:58]

stuarta:

--verbose playback

[21:37:55]

kwizart:

I should probably run it with LANG=C

[21:38:03]

stuarta:

heh

[21:38:26]

markspieth:

mark____: my theory was rounding where the iterator * max line was quantised so that teh last horizontal pixel was green (0,0,0). It seems to work but depends on width value

[21:39:32]

kwizart:

stuarta, https://paste.fedoraproject.org/paste/IOb4Va9VOyePeUgt-YTyzw

[21:39:55]

markspieth:

Have just attached my full openglvideo.cpp which I got back from reflog/cat-file for full reference as the last diff has some of the line order changed and have not fixed them yet.

[21:40:54]

markspieth:

for the yv12 I reenabled it and ested with a low res video (see oter dropbox items provided by david)

[21:41:16]

stuarta:

kwizart: oh, you have a vdpau capable card. it's doing a vaapi -> vdpau translation

[21:41:21]

stuarta:

why not use vdpau?

[21:41:30]

markspieth:

the RECT_TEST macro was useful for me to understand what was going on.

[21:41:45]

kwizart:

stuarta, vdpau doesn't work (green display)

[21:42:08]

stuarta:

ok, so that's a separate problem

[21:42:14]

kwizart:

okay so I've disabled libvdpau-va-gl

[21:42:14]

markspieth:

off to work so if you need to discuss use the mailing list.

[21:42:21]

stuarta:

kwizart: and it deserves a ticket

[21:42:27]

mark____:

kwizart: you need to change to the OpenGL ui renderer

[21:42:52]

mark____:

markspieth: thanks

[21:45:06]

stuarta:

kwizart: or at least set the ui painter to auto

[21:45:10]

** mark____ thinks this is exactly the sort of problem that should be going away shortly... **

[21:45:30]

stuarta:

mark____: looking forward to the hacking that can be done post cutting the branch

[21:45:44]

stuarta:

i have a feeling it may be better off in a branch initially

[21:47:32]

mark____:

stuarta: keep on meaning to outline some ideas/plans in response to your v31 email. Hopefully I'll have another 5 or 6 hours of tedium hanging around the courts tomorrow :(

[21:48:14]

stuarta:

i dread ever having to do that

[21:50:07]

peterbennett:

The current master is looking good as far as opengl is concerned

[21:50:42]

peterbennett:

mark____: I am not sure what the difference between opengl and opngl-yv12 is

[21:51:10]

stuarta:

so the consensus is we are good to cut the branch?

[21:51:20]

peterbennett:

mark____: It looks like the new opengl hquyvy is the slow version of uyvy.

[21:51:56]

peterbennett:

stuarta: I am happy with it now.

[21:52:20]

peterbennett:

users of Android may have to change some settings when upgrading because of the OpenGL changes

[21:52:37]

kwizart:

okay, so it seems better to set ui to auto (instead of qt – I don't remember why I've made this change if not the default)

[21:53:22]

kwizart:

then vaapi works once libvdpau-va-gl is removed (but I'd like to keep it installed but enforce vaapi still for the long run)

[21:54:56]

kwizart:

then there is the xv adapter name with modesetting, do you want a bug report for both ?

[21:55:07]

kwizart:

trac is under maintainance ?

[21:55:16]

stuarta:

shouldn't be

[21:55:41]

stuarta:

nope

[21:58:28]

kwizart:

https://trac.mythtv.org/trac/ ?

[21:58:32]

stuarta:

no

[21:58:38]

stuarta:

https://code.mythtv.org/trac

[21:59:00]

stuarta:

that was my test url iirc

[22:10:21]

jpabq:

Re: Android, should qtwebkit work? I just tried building the dependancy libs from scratch for the first time, in a long time, and it bombs when it gets to qtwebkit.

[22:14:04]

stuarta:

branch cut, builders running a fixes/30 build

[22:16:17]

jheizer:

oh, new build master

[22:16:23]

stuarta:

yeah :)

[22:16:24]

jheizer:

2 reasons for high fives

[22:16:25]

stuarta:

i like it

[22:16:46]

jheizer:

my auto complete url went to a dead page

[22:16:51]

jheizer:

and was like hmmm

[22:17:03]

stuarta:

ah yeah they would

[22:17:34]

jheizer:

looks nice

[22:17:44]

jheizer:

I'll zip my ubuntu one back to 18.04 now

[22:19:51]

peterbennett:

jpabq: I have not had any problem, but I have not rebuilt libs for a while

[22:21:02]

stuarta:

now where the hell do i change the version string in master to v31pre

[22:23:36]

jpabq:

peterbennett: gigem markspieth: it complains "make: *** qtwebkit/Source: No such file or directory. Stop.". If I do a find, it is in "android/libs/qt-everywhere-src-5.10.1/qtwebkit" and "android/libs/qt-everywhere-src-5.10.1/build/qtwebkit"

[22:23:59]

stuarta:

think qtwebkit is deprecated

[22:24:34]

jpabq:

Very. I think it is still used by at least one mythplugin, though. Not that I use any mythplugins.

[22:27:35]

stuarta:

mythbrowser iirc

[22:27:52]

stuarta:

which needs to either be pretty much rewritten or removed

[22:27:53]

jheizer:

says a builder with the same name is already connected and dropping me

[22:28:10]

jheizer:

ip addr

[22:28:11]

jheizer:

bah

[22:28:12]

stuarta:

jheizer: which slave name?

[22:28:31]

jheizer:

jheizer-ubuntu-lts-64bit

[22:28:37]

stuarta:

i may have nicked one for testing

[22:29:18]

jheizer:

ah got ya

[22:29:24]

stuarta:

lemme check

[22:29:29]

peterbennett:

jpabq: IIRC there is some special code in libr build ft qtwebkit

[22:29:45]

jheizer:

Log – https://pastebin.com/ykjJntQz

[22:30:07]

jheizer:

all I did was change the startup script to use buildbot vs buildslave

[22:30:14]

jheizer:

not sure if anything else was required

[22:31:05]

stuarta:

erm... dns failure?

[22:31:20]

jheizer:

not sure, it connects after that

[22:31:29]

** stuarta looks some more **

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[22:32:10]

peterbennett:

jpabq: I beleiev this solves the webkit issue – sudo apt install gperf bison flex gradle

[22:32:47]

gary_buhrmaster:

stuarta: mythweb fixes/30 branch?

[22:32:55]

stuarta:

gary_buhrmaster: good point

[22:33:39]

jheizer:

don't worry about me

[22:33:44]

jheizer:

poor timing on my part

[22:34:01]

stuarta:

gary_buhrmaster: done

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[22:34:19]

jheizer:

oh

[22:34:22]

jheizer:

and those logs are old

[22:34:30]

jheizer:

just noticed the date/time. Derp

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[22:34:37]

gary_buhrmaster:

stuarta: thanks (I am just being my usual PITA).

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jheizer:

I'll just swap back

[22:35:00]

stuarta:

gary_buhrmaster: nah, someone has to check i've not forgotten anything

[22:36:14]

stuarta:

jheizer: i don't appear to have "borrowed" your slave name

[22:36:16]

gary_buhrmaster:

stuarta: at one point I thought I saw a script floating around that did the branch on both mythtv and mythweb at the same time, so I am a bit surprised it got missed (or the script has disappeared into some forgotten hole).

[22:36:33]

jheizer:

running it manually I was having other issues

[22:36:39]

jheizer:

will check it out another day

[22:36:50]

stuarta:

gary_buhrmaster: there a release script that does that for the actual release

[22:38:56]

gary_buhrmaster:

stuarta: sounds like a branch script could be useful for the future forgetful (or the next release wrangler?).

[22:41:38]

stuarta:

heh

[22:44:55]

stuarta:

jheizer: oh fyi, with your rpi, the whole slave name should change

[22:45:13]

stuarta:

s/jessie/stretch as well as s/71/7l/

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jheizer:

stuarta: yes true

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jheizer:

hmm if it is even online

[23:06:04]

jheizer:

bah yeah, nfsroot is mounting. todo++

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[23:23:43]

jpabq:

peterbennett: you mean `sudo dnf install gperf bison flex gradle` :-)

[23:24:07]

jpabq:

I tried that, but I already had thst stuff installed.

[23:24:42]

jpabq:

I am building again, but with qtwebkit commented out of makelibs.sh

[23:29:22]

jpabq:

Which obviously I didn't do correct, since it still tried to build it. Sigh. This would not be so bad if it didn't take so long.

[23:40:05]

peterbennett:

jpabq: I had the same error before when I first tried library build

[23:41:34]

peterbennett:

jpabq: I think the solution is to look through the build log file. That is how I found the missing dependencies. There may be an error message, but it doers not stop at the error, it only stops later when something is missing

[23:42:28]

jpabq:

The error I am seeing seems to indicate a path issue. It claims it cannot find the qtwebkit src directory, even though it is there.

[23:42:46]

peterbennett:

jpabq: The message "make: *** qtwebkit/Source: No such file or directory. Stop." was misleading

[23:43:26]

jpabq:

Oh? Okay. If my latest attempts at skipping qtwebkit still don't work, I will try to find the build log file.

[23:45:54]

peterbennett:

jpabq: Onle time the message from the log file was "The WebKit build was disabled for the following reasons: * Missing ruby from PATH "

[23:46:09]

peterbennett:

That is found by reading the log file carefully

[23:47:15]

jpabq:

Ah. I actually do not have ruby installed. I have re-installed the OS since the last time I built this stuff, and missed that.

[23:48:50]

peterbennett:

To get the build log I think you need |tee mythbuild.log

[23:59:25]

peterbennett:

stuarta: We also need a fixes/30 branch of packaging repo

MythLogBot@irc.freenode.net :: #mythtv

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