#linuxtv 2018-06-27,Wed

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WhoWhatWhen
ParkerRb-rad, oooh link? [04:32]
............................................................ (idle for 4h56mn)
pagioshello, any idea how to calculate the average RAM consumption of a given stream? Say an 720p standard SD stream consuming 1GB/hour [09:28]
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ParkerRpagios, Wouldnt that have so many factors other than stream info? Media player used, whether or not hardware decoding is enabled, etc [11:07]
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b-rad@ParkerR, https://patchwork.linuxtv.org/patch/47794/ [13:25]
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pagios? [14:03]
b-radis Ram/Hr even a unit? [14:11]
ParkerRb-rad, So should the reply patch work? [14:24]
b-radthat thread is the original patch [14:25]
ParkerRDevin Heitmueller - June 26, 2018, 8:23 p.m. [14:25]
b-radif you back that patch off then dualhd will work, but hvr-950 and perhaps other isoc devices will not [14:25]
ParkerRSeems like a very fresh reply lol [14:25]
b-radyeh i replied to the old patch ;) [14:25]
ParkerRNo I mean he replied to you after that [14:25]
b-radto sort it out like devin says we'll need to add a shared refcounter to both em28xx devices [14:26]
ParkerRAhh ok. Wasnt sure if the patch he linked was a fix fix [14:27]
b-radi also properly fixed the oops [14:27]
ParkerROh Im just reading that page wrong arent I? lol [14:27]
b-rad"your" disconnect oops
i'll submit that patch briefly
[14:28]
ParkerR<3
Ahh ok so he didnt actually link anything https://www.mail-archive.com/linux-media@vger.kernel.org/msg133069.html
Was just reading the page weird hehe
Cheers
[14:28]
b-radit's kinda funny, i had four different groups (including you) of people complaining about fairly different issues, and all of them are due to regression fix
various kernels and hardware back to 3.10 lol
[14:29]
ParkerRlol
Due to the same regression fix or multiple?
[14:30]
b-radthat single regression fix [14:30]
ParkerRDamn son [14:30]
b-radi was like SCORE [14:30]
ParkerRWhat was the proper fix for oops? [14:31]
b-radin em28xx_free_device you can't do the kfree(dev->alt_max_pkt_size_isoc) unless you're dev->ts == PRIMARY_TS
the full memcpy of the struct is fine in duplicate_dev
[14:32]
ParkerROh so it was running that on the second? [14:33]
b-radit was running that on the second first, then the first would come around and kfree it again [14:33]
ParkerROoof [14:33]
b-radif you look in release_resources there's a similar check [14:34]
ParkerRMakes sense as in dmesg you could see the #1 being released first [14:34]
b-radyou wanna be cc'd on that patch? [14:35]
ParkerRb-rad, Funnily enough xc5000 was kinda similar. It would free the device and the try freeing again this time in unmapped memory. Hard kernel lock
b-rad, Sure lol
[14:35]
b-radi actually blacklist all dvb and most media tree modules because of stuff like that
i don't mind if they take out a vm, but not my laptop or pc
i eventually fixed the two biggest oopses for me, so *might* be safe now
[14:35]
ParkerRWoot [14:41]
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b-radincoming, feel free to add Tested-by tag if it does sort you [15:32]
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ParkerRb-rad, Nice! So try the patch against 4.18rc*? [17:11]
b-radyup [17:12]
ParkerRBilding now
*Building
[17:13]
b-radkeep in mind both tuners won't work
together
[17:13]
ParkerRAye I was just about to ask if there was a patch for that yet
Ill test for the oops
b-rad, If it works how do I add the tag via email?
[17:17]
b-radreply to the email with the full tag line and patchwork will grab it [17:18]
ParkerRI mean Ive never done tags so lol whats the format
Aha
Tested-by: Stephen Finucane <stephen@that.guru>
Helps to RTFM https://media.readthedocs.org/pdf/patchwork/latest/patchwork.pdf
[17:19]
b-radyup
https://www.kernel.org/doc/html/v4.16/process/submitting-patches.html#using-reported-by-tested-by-reviewed-by-suggested-by-and-fixes
[17:20]
.... (idle for 19mn)
ParkerRb-rad, TFW my 850 is so loved it just opens it's heart to me anytime https://i.imgur.com/mThqVdF.jpg
(Casing is finger loose lol)
Also the LEDs died on it long ago for some reason
[17:39]
b-radprobably both heat related
maybe not the led, but i imagine slow cooking the case eventually loosens the glue
[17:45]
ParkerRIt clips. Ive probably taken it apart before and just wasnt so gentle lol
I kep the 850 arounf for small form factor composite input
*keep
*around
Kinda wish the dualHD had kept the connector but Id assume there wasnt much space to squeeze in a legacy chip
[17:46]
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b-rad, Tested and works. PLugged multiple times and tuned each time to make sure
Sent in the tested-by
[18:22]
Damn the 850 is almost 12 years old now [18:31]
Do the tested bys not show upp in the normal list? https://www.mail-archive.com/linux-media@vger.kernel.org/msg133080.html [18:36]
b-radtypical time delay [18:36]
ParkerRAhh [18:37]
b-radpatchwork will pick it up first
looks like 2 days ago some one submitted a patch to fix both tuners, which will just again break 950
i have rather hacky fix that leaves that in place, but it's ugly'ish
[18:37]
ParkerRhttps://patchwork.linuxtv.org/patch/50553/ ? [18:42]
b-radyeh i guess they didn't read the original commit message [18:43]
ParkerRAhh so he just reverted the old one
Hehe
Well since I dont have the 950 I may just apply that for now
[18:43]
b-rad, Thanks for all the help on this. Very insightful seeing some behind the scenes and great knowing there's a big compnay investing time into the Linux side of things (AMD and Hauappauge are top on my good list because of that)
Between you and and agd5f, the world is a better place hehe
s/Between/With
[18:49]
....... (idle for 34mn)
b-radsubmitting my devin inspired quick fix, so I don't break potentially break all our old stuff while fixing the new stuff [19:27]
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ParkerRb-rad, https://i.imgur.com/iLspX8t.png
Works well saying screw it to the 950 lol
[19:43]
JEEBhas anyone tried these transmitters for ISDB-T? http://www.hides.com.tw/product_ut200_eng.html
just wondering how bad one of these (since it's only ~220eur) would be to poke at testing a driver while I'm outside Japan
[19:44]
b-radtheres a lot of isoc SoloHD out there, and i fear it probably has same failure as 950 did
patch submitted
"works for me"
[19:45]
ParkerRb-rad, So does the guy from the 25th neeed a reply saying this isnt needed anymore? I'll test out your patches [19:56]
b-radprobably, i don't sub to the list otherwise i'd reply
their patch will break stuff
[19:58]
ParkerRBuilding now
Also heh I applied only that patch and realized I hadnt rapplied the 1-2 and 2-2 as you noted
Failed to patch until I applied those too
[20:01]
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b-rad, Did your most recent not get sent to linux-media? Im in that list but never got the email
Oh huh I see it on mail-archive. Wonder why it never made it to email (Im in the list even if I wasnt cc'd)
[20:20]
b-radpatch work got it, so must have hit the list [20:28]
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ParkerRb-rad, Works for me! (too) https://i.imgur.com/pogP38J.png [20:55]
b-rad:) [21:00]
ParkerRAnd disconnected gracefully
Actually want me to reply to the 25th guy with a link to yor updated one (mentioneing why the revert is bad)
[21:01]
b-radsure [21:03]
ParkerRb-rad, So with yours 950 "should" still be working? [21:04]
b-radyes, i'm trying to accommodate all devices [21:05]
ParkerRb-rad, I CC'd you in [21:06]
b-radsince Mauro pointed out the regression it cannot be ignored
thx
i only have dvb solohd and both bulk dualhd's
[21:06]
ParkerRWhats the difference between bulk and isoc? [21:06]
b-radbut i imagine isoc solohd would be adversely affected
transfer mode
[21:06]
ParkerRAhh
And so bulk being the bulk USB endpoints (I assume older method) and isoc being updated?
[21:07]
b-radisoc is 5*188 per packet, bulk now is 128*512
it's in the eeprom, so there are two models old are isoc / new are bulk
[21:07]
ParkerRAhh
Mine seems to be isoc
Just hw revision?
[21:08]
b-radonce i determined isoc devices can make weaker embedded poop themselves
same hw, just diff setting
i do not think you can force an isoc to bulk though
all it really affects is embedded and vm's
[21:08]
ParkerRhttps://i.imgur.com/gmO0KLW.jpg [21:10]
b-radC216 is bulk [21:10]
ParkerRb-rad, Aye I modprobed em28xx with prefer bulk and it still did isoc
[ 1432.989562] em28xx 1-3:1.0: dvb ts2 set to isoc mode.
"Isochronous transfers occur continuously and periodically. They typically contain time sensitive information, such as an audio or video stream. If there were a delay or retry of data in an audio stream, then you would expect some erratic audio containing glitches. The beat may no longer be in sync. However if a packet or frame was dropped every now and again, it is less likely to be noticed by the listener."
Neat
[21:13]
b-rad, Also I know its not really related but HVR-850 with XC5000 still working great too heh [21:21]
b-raddifference with dvb is 940 bytes per transaction or 24064, so a lot lighter weight when 24064 is not that much latency [21:21]
ParkerRb-rad, so is isoc lighter weight or bulk? [21:21]
b-radbulk, it's 25 transactions in one
less interrupts etc
[21:23]
ParkerRAhh [21:23]
b-radit can be much larger than the max value for em28xx as well [21:23]
ParkerRRIP, I may have just hit a regression on xc5000. It tunes and plays fine
For about 5 seconds
Then stream freezes
[21:36]
b-radlol u lucky i think i have an xc5000 device [21:38]
ParkerRLike clockwork every time
4 to 5 second mark (probably depending on mpvs buffer)
Imma try a reboot because I swear the very first plug this was working for a bit longer
Fresh reboot, 5 seconds dead. Nothing in dmesg
[21:40]
b-radinteresting, check drivers parameters and turn on all possible [21:47]
ParkerR[ffmpeg/demuxer] mpegts: Packet had TEI flag set; marking as corrupt
Ok will check
Right before that TEI I get [ffmpeg/demuxer] mpegts: Continuity check failed for pid 18 expected 2 got 1
And thats whats printed over and over after the error starts
[21:49]
b-radstuff like that should only cause errors and not a driver to puke
so you should see if you can tell if you're still getting data
[21:50]
ParkerRAnd to confirm it wasnt just mpv tried VLC too. Same stuff
Checking the module options now
[21:51]
b-radvlc should tell you if its still getting data if you bring up info window [21:52]
ParkerRb-rad, GOOD ITS ONE OF THOSE
Debug on everything works
UGH
I did debug=1 for xc500 and au0852
*xc5000
[21:58]
b-radnoice and racey eh [21:59]
ParkerRb-rad, https://i.imgur.com/mazFXNA.png [22:00]
b-radsee if you can generate a good log up to it failing, then mail the list and cc me
about to kip off for day
dvb-usb devices i'm not so familiar with
[22:02]
ParkerRThats the issue. Failing the only "detailed" stats I have are all from libdvb/ffmpeg
Nothing on the backend
[22:04]
b-radyeh thats tough then without knowledge and device [22:04]
ParkerRIll see if I can find anything. Thanks again for all the help and hard work!
:D
[22:05]
b-radglad to help :) [22:07]
ParkerRDualHD really is a neat little package. My only wish would be for more Android devices to support it kernel side. Only the Sheild TV has em28xx from what I recall
And hell the Tablo tuner sold for the Shield TV is just a rebadged DualHD https://www.amazon.com/Tablo-TUNER-Dual-Tuner-Antenna-Adapter/dp/B076ZZSQY6
[22:09]
b-radandroid is reluctant
it took a lot to get support into nvidias kernel
if i had more hardware i'd try and get everything into aosp kernel
i do actually have one androidtv aosp board
[22:11]
ParkerRAlso on top of that there arent any really good frontends on Android anyways. Everything is either really old (pre 4.x or tied to specific devices like in Tablos case)
Or exclusive to Android TV
(Live Channels)
b-rad, Nice!
I sold my Nexus Player
Kinda miss it but it was getting long in the tooth
[22:13]
b-radi like androidtv a lot [22:15]
ParkerRYeah I do to. The Nexus PLayer hardware is great but it got weird after all the updates [22:16]
b-radyeh well at least you get updates
i got 2 mibox that were "official" google day androidtv devices
[22:16]
ParkerRAlso MiBox just got Oreo so thats neat [22:16]
b-radand they haven't been updated since release
only select beta program testers got oreo
i'm still on mm
[22:16]
ParkerRhttps://www.androidpolice.com/2018/06/26/xiaomi-mi-box-receiving-android-8-0-oreo-update/
From what I was reading it was a mass rollout
This was very recent like past week
[22:17]
b-radwell excuse me for a moment while i go to my bedrooms lol
thats yesterday lol
[22:17]
ParkerRHeh
Yeah.
[22:17]
b-radroflmfao sumbish
\m/ \m/
only took them 18mo
[22:18]
ParkerR:D
Nice
[22:19]
b-radstoked lol [22:19]
ParkerRb-rad, So I take it you work from home? [22:20]
b-radalthough i use plex for dvr now so meh'ish
yes i'm remote
i carry my lab with me
[22:20]
ParkerRNeat. Any pics you can share (obviously not if breaking any rules) [22:21]
b-radnot really lol [22:21]
ParkerRNo worries. Was just imagining a case full of tuners heh [22:21]
b-radi've been working on nas's lately though, so i'm gonna share a pic of my mini-data center sometime [22:21]
ParkerRNeat [22:21]
b-radlike 20 hdd's worth of assorted nas's lol [22:22]
ParkerRThis isnt running anymore but I had a ghetto NAS for a bit http://imgur.com/a/3wNoi
WD TV Live with a couple externals
[22:22]
b-radlol did you ever run the homebrew firmware? [22:23]
ParkerRTHERE WAS A HOMEBREW FIRMWARE?
sumabitch
[22:23]
b-radyeh by me lol [22:23]
ParkerR:O
Small world
[22:23]
b-radi did all the wdtv hacking [22:24]
ParkerRb-rad, Wanna know the best part? I found that at one of those consignments shops with no price. They called the owner and even he wasnt sure what it was (obviously I knew but played it off). Got the WDTV still with the 1TB it came with for $7
I still have and use that drive
In my desktop
[22:25]
b-radnice
i have all that old hw in a pile to throw away actually, minus the hdd's
like 2 dozen boards
[22:25]
ParkerRb-rad, http://wiki.wdlxtv.com/Main_Page ? I think the firend I sold the WDTV to still has it and doesnt use it
May be able to get it back
[22:26]
b-radyeh the firmware is wdlxtv, you'd have to dig in the forums for links
unfortunately that was in the tail end of the wild wild webst days, so most links are probably long dead
[22:27]
ParkerRb-rad, I can tell. I get a very http://motherfuckingwebsite.com/ vibe from that website [22:28]
b-radi still keep all the sites alive because surprisingly in some parts of the world they're still quite active
yeh shtf a couple years ago i cannae be arsed
[22:28]
ParkerRb-rad, Oh hey wink wink the mediafire links are still good wink wink [22:29]
b-radi think parts of eastern europe and asia just got hundreds of thousands of them in dumps eventually that people still use [22:29]
ParkerR0.1.6? [22:29]
b-radno clue, been like 7yr
i sanctioned other devs to put out releases
[22:29]
ParkerRAhh ok latest post is http://forum.wdlxtv.com/viewtopic.php?f=10&t=9150
Oh theres a subforum for the live
[22:30]
b-radthe hdd model is hub [22:30]
ParkerRIm only seeing G2 Live and Live Plus [22:31]
b-radhub and gen3 would have been related
and they might never have been official due to requiring exploits :whistle:
[22:32]
ParkerRGotcha :wink:
I may revive that if he isnt using it
[22:32]
b-radyou might need axx to private area for some stuff if i recall
or look in nitty gritty, where the n00bs aren't allowed
i cannot believe theres still posts from a week ago lol
[22:33]
ParkerRWow http://forum.wdlxtv.com/viewtopic.php?f=40&p=76138#p76138 [22:36]
b-radthe app system we designed was quite nice
full webui with package management
full optware support etc
it was mainstream embedded before that was a concept kinda
[22:37]
ParkerROgod I had forgotten about NSLU2 [22:38]
b-radat the high point there was 300k devices running my firmware, with the popularity app enabled
nslu2 was my first actually <3
the slug
[22:38]
ParkerRI used some nslu2 utilities for somethinga few years back but dont rmemeber what
Hey I found u http://b-rad.cc/optware-for-wdtv/
[22:39]
b-raddas me lol
if you're really intrepid you can dig up videos and other embarrassing stuff too, but i don't suggest the effort lol
[22:40]
ParkerRThat sounds like a challenge
;)
https://www.youtube.com/watch?v=qLeFM8n47bc
[22:41]
b-radb-rad keeps mouth shut now [22:43]
ParkerRA dark shadowy b-rad appears, he uses nerd. It was very effective!
:D
[22:44]
b-radlol [22:44]
ParkerRb-rad, Still rocking the shave? [22:46]
b-radnope lol
although if you find my fcc monologue i am
[22:46]
ParkerROh damn drectfb
Nice
*directfb
http://nextdimension.cc/ I feel like Im ina time machine
Oh 1998
I AM IN A TIME MACHINE
lol
[22:46]
b-radi been around [22:49]
ParkerRb-rad, I feel like this is the only true way to view your website https://i.imgur.com/L9tptlk.jpg [22:56]
iiveis this now?
;)
[22:59]
ParkerRYes I just took that picture
Bluetooth DUN
[22:59]
iivei tried to make westworld reference ;) [23:02]
ParkerROh :( Havent gotten into that show yet
I hear its good
[23:02]
iivesecond season just finished. it is good [23:03]

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