IRC log of #maemo-ssu for Thursday, 2012-11-15

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merlin1991arcean and everybody else who went for testing-testing, di you notice anything out of the ordinary?01:31
arceanI would say no :)01:31
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luffreemangordon: I think it's good time for testing new bluez-4.99 ;)10:52
kerioluf: i keep having minor issues when connecting my BT headphones to the n90011:25
keriobut they work fine once connected11:27
kerioand it only happens once in a while, so it's an unfindable bug :(11:27
lufkerio: no report no issues ...11:27
kerioi know :(11:27
lufWhat's exactly the problem?11:27
kerioi get the "connected" message and the icon in the status area, but after a tiny bit it disappears, the bluetooth icon still blue and the UI still reporting it's "connected"11:28
keriousually disconnecting it and reconnecting it fixes it right away11:28
lufHmmm ok.11:29
lufWhat are you tryiing to connect? HF or computer?11:29
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kerioluf: A2DP11:30
lufSo audio ...11:30
kerioyep11:31
keriohttp://www.lg.com/us/cell-phone-accessories/lg-HBS700-tone <- these ones11:31
kerio(they're *really* neat)11:31
lufI think it doesn't matter which kind. There is probably some ugly bug in audio. I'll try to find it but to be honest I'm short on time this week.11:32
Skrykerio: those do look neat, how's the audio (music) quality?11:36
kerioSkry: pretty good11:36
keriocompression artifacts tend to be exacerbated by the decode-encode-decode though, so you *really* want to start with some good quality audio11:37
keriosay, V0 VBR MP3s, or some high-bitrate CBR11:37
keriothe range is kinda poor, but i think that's also a problem of the n90011:38
kerioit's perfectly fine if you keep your phone in a jacket's pocket, a bit less so if you keep it in your pants' pockets11:38
kerioit's got some heavy bass though, so you might need to get used to it in the beginning11:40
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SkryI have mostly flacs so that's no prob, and stuff I mostly listen is not that bass heavy. I was thinking about spending ~80eur to wired headphones so might as well give those a try.11:42
keriomind you, they still sound worse than a good pair of wired headphones11:43
keriothey're just a lot more convenient, imo11:43
Skrywell, they must beat those headphones that came with n900 so should be improvement anyways11:45
kerioi said *good* :)11:45
lufkerio: I'm just curious had you change all pulseaudio rates in N900 to 44100 from 48000?11:46
kerioluf: i changed the default one iirc11:46
keriocould it be the reason?11:47
kerioi changed default-sample-rate from 48000 to 4410011:47
lufNo I thinking about totally different thing ;)11:47
kerioluf: how many resample methods are there, btw?11:47
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lufVery few :(11:48
lufJust speex and two unusable as I remember.11:48
kerioluf: how do i check what's going on with pulseaudio at a specific time?12:03
keriofor instance, how do i check what's the samplerate of a certain stream?12:03
lufkerio: pactl list12:08
kerioluf: anyway, how do we configure audio sink?12:09
lufkerio: :) Look into the history ...12:09
kerioanyway, it feels like your bluez is a bit less reliable :(12:12
kerioit makes no sense though, it's the same codebase12:12
keriomaybe it's just that i notice these annoyances more, though?12:13
kerioluf: why is your pulseaudio +0m6?12:16
lufkerio: I like feelings :)12:18
lufIt's easy to find the problem with it.12:18
lufkerio: pulseaudio because of some bt patch + new module?12:18
kerioluf: so?12:19
kerio+0m6 would be harmattan12:19
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lufNo.12:19
lufIt's just version of the package not the maemo version as I understand from packages (changelogs).12:20
keriowhy do you think +0m5 is called m5?12:20
kerioluf: anyway, there *should* be no resampling in pulseaudio12:21
keriosink input from mafw is s16le 2ch 44100hz12:21
kerioand the sink output to my headphones is s16le 2ch 44100hz12:21
lufAnd what do you mean with less reliable - worse sound? disconnecting? lagging?12:24
keriodisconnecting sometimes12:25
keriobut as i said, maybe it used to happen before too and i just didn't focus on it12:25
lufIt's the same as with stock ...12:25
kerioapophenia is a bitch12:26
lufhttp://talk.maemo.org/showthread.php?t=5189412:29
luffor example ...12:29
lufBut I can't say if it's more/less often with stock/4.9912:30
kerioyeah, yeah12:30
keriothat's what i was guessing12:30
kerioluf: what would really be awesome would be an ICD plugin to do PANU in a simple way :312:34
luf:D Sure.12:37
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lufIt should be nice project for you, isn't it?12:37
kerioluf: that would involve me doing things12:38
lufAs I saw you have a lot of time at uni ;)12:39
lufkerio: bluez - disconnecting. I need some debug logs and maybe also hcidump if you're able to collect it ....12:41
kerioluf: i checked the syslog (it wasn't doing debug output though) and it only said "bluetoothd: audio device disconnected" or something similar12:42
lufkerio: Are you sure you had bluetoothd in debug (-d '*') ?12:42
kerioas i said, i didn't have it in debug mode :)12:43
lufIt's useless without debug.12:43
kerioluf: the issue is a lot simpler than i thought, i think13:51
kerioit's a range issue13:51
kerioluf: keeping the connection open requires less quality than opening a new one, or reopening it after powersaving13:52
keriois there a way to pump up the tx power?13:52
kerio:313:52
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lufkerio: I don't know. I'm not such good in hw ...14:42
lufkerio: Do you have some debug? Or from what you judged that it's txt power? BTW increasing tx power leads to higher battery usage.14:43
kerioluf: it connects fine when i'm holding the n900 vaguely close to my headphones, it doesn't connect when the n900 is in my pocket :)14:43
lufkerio: And are you sure the problem is on N900 side?14:45
kerioi think it's a mix of bad range on the n900 *and* the headphones14:46
lufThat's for sure true :D You didn't miss any option ...14:46
kerioto be fair the range on the n900's bt is fairly awful14:47
lufI have no problem in car ... even in the back part (for baggage).14:49
lufWhat's awful for you?14:50
lufkerio: can you next time you'll meet the bug with disconnected x icon and status connected try to run hcitool to see what BT is thinking? I need to know if it's a problem of bluez or just AIS or whatever ...14:55
keriok14:57
lufkerio: have you started working on icd plugin for bluez PANU client? :)14:59
kerionope14:59
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DocScrutinizer05kerio: most likely BT-TXlevel is fixed15:31
DocScrutinizer05kerio: my N900 connects to sony headset even when meters away, and range seems like going thru 2 walls from living room to kitchen15:33
DocScrutinizer05(~ 8m)15:33
keriomaybe it's these headphones then15:33
kerioDocScrutinizer05: also, A2DP is a lot more heavy than HSP/HFP15:34
DocScrutinizer05if you don't have N900 alu case, it probably is the headset, yes15:34
DocScrutinizer05and I'm talking about listening to music, so A2DP15:35
kerioi have a plastic case, it shouldn't affect radio15:35
DocScrutinizer05depends on the plastic15:35
lufDocScrutinizer05: do you mean some alu plactic?15:44
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DocScrutinizer05luf: nope16:21
DocScrutinizer05WLAN is known to not work nicely when some quite common case-plastic is too close to antenna, it gets detuned16:22
DocScrutinizer05BT has same freq16:22
DocScrutinizer05even shares same antenna16:22
DocScrutinizer05on some devices16:22
DocScrutinizer05normal windowglass is known to give GPS a -6 to -18dB16:23
DocScrutinizer05Pastic isn't any different in that regard, depending on the particular material and thickness16:23
DocScrutinizer05plastic*16:24
DocScrutinizer05the funny example to figure: PIR motion detectors don't work thru window glass at all16:25
DocScrutinizer05quite counter-intuitive16:25
DocScrutinizer05something being transparent or non-conductive doesn't mean it's negligible for RF16:26
kerioDocScrutinizer05: i remember my range sucking even before i had the otterbox, though16:28
DocScrutinizer05kerio: a lot of 'egoistic' WLAN AP in the neighborhood may spoil BT as well16:29
DocScrutinizer05mind you, they share same frequency16:30
DocScrutinizer05even your own AP might suffice to give BT a hard living16:30
kerioDocScrutinizer05: hm, i should try when i'm at my countryside house16:30
DocScrutinizer05good plan16:31
DocScrutinizer05there've been several reports that streaming media from internet via WLAN to N900 to BT headset doesn't work at all, since WLAN and BT have to 'co-exist' andthat can't work when both have to do a 100% job16:32
jon_yisn't wifi and bt spread spectrum?16:41
jon_yas long as it isn't too crowded, it should work regardless of frequency overlap16:42
* kerio starts counting the visible wifi APs16:52
kerio20 plus hidden16:53
kerioso yeah16:53
DocScrutinizer05jon_y: BT is freq hopping afaik16:56
DocScrutinizer05WLAN isn't exactly spread spectrum16:56
DocScrutinizer05but if a sufficient number of WLAN AP mess up each channel available for BT to hop on, BT can't work properly16:57
DocScrutinizer05WLAN rather is TDMA, leaving open timeslots between pkgs sent16:58
DocScrutinizer05if several WLAN AP use same freq (which is chan +/- 2, due to sidebands), then it becomes more and more unlikely that BT finds such an open timeslot in that range of BT channels16:59
DocScrutinizer05in my book WLAN is already zombie state in real life, due to absolute overload / crowding of RF band17:01
DocScrutinizer05and every luser and his dog ramp up both bandwidth used (by N etc), as well as TX power to shout down the neighbor17:03
DocScrutinizer05since none of those lusers gets the catch that a proper cable is a million times better than crappy WLAN for connecting their PC to the router 30cm away17:04
* DocScrutinizer05 waits for frist DSL-routermodem to come with WLAN only, no more ethernet ports at all17:05
DocScrutinizer05thne they bitch about their crappy DSL connections while they don't realize it's actually the WLAN that doesn't go beyond 1 or 2 MBit, due to them themselves and all their neighbors basically 'abusing' WLAN for a cable replacement for distances of 2m between stationary devices17:08
DocScrutinizer05and that17:09
DocScrutinizer05's where BT has to stand a living17:09
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keriopoor bt :(17:14
merlin1991DocScrutinizer05: did you try the new testing already?17:27
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merlin1991who else in here tried the pre release -testing?17:35
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vi__DocScrutinizer05: I have a solution.18:23
vi__I have a 5dB gain enternal aerial to my AP.18:23
vi__It works.18:23
vi__So I going to replace it with 3 9dB antennas.18:23
vi__There are no free channels near my home.18:24
vi__If you cannot beat them...DESTROY THEM WITH POWER.18:24
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keriovi__: still won't work18:45
kerioyou can't magically put bigger antennas and expect your wifi network to work better18:45
kerioit's still going to be crowded as fuck18:46
vi__Yes, but if everyone else gets really shitty service, they might fuck off my channel.18:57
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tadzikis it advised to optify package which consists of a single 148K binary + manpages?21:20
Paliyes21:22
tadzikokay21:22
Palibtw, autobuillder doing optification if debian/optify file has auto21:23
tadzikthat's the first time I hear about autobuilder21:24
tadzikis that something garage-related?21:24
Paliit is builder for extrad-devel21:27
Palibut now not working21:28
Pali(also maemo wiki not working)21:28
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Palimerlin1991, freemangordon, can you test new battery applet?21:43
Paliand next question: What about creating new fiasco rootfs image with pr1.3.1 + cssu-stable and without some preinstalled apps (cheery, ...)21:45
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tadzikwhat package is responsible for the behaviour of a longpress in, for example, file manager?21:59
kerioPali: it's going to be tough to do22:03
kerioPali: but go right ahead :322:04
kerioPali: the ubifs image is going to be a bitch to work with22:05
Palikerio, I can generate ubifs image, no problem22:06
Paliand I can also unpack and edit it22:06
kerioPali: cool22:06
kerioi doubt the scripts will run nicely in a chroot jail22:06
keriobut you could do the things they do manually22:06
kerioi mean things like HAM22:07
Paliand I have patches for block2mtd.ko driver which creating mtd device from block22:07
Paliwhich allows me to mount ubifs image on computer without nandsim22:07
kerioyou'd have to run ICD at the very least for HAM to work22:07
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DocScrutinizer05merlin1991: sorry, not yet23:07
DocScrutinizer05though I could install it on a fresh device, I'd not be able to find the time to test it at all, since I'm a tad ill (flu)23:09
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tadzikwho can I ask questions related to hildon codebase?23:10
wmaroneprobably best to just ask23:15
tadzikthat got no response :)23:16
tadzikwhat package is responsible for the behaviour of a longpress in, for example, file manager?23:16
tadzikI believe that's just the context menu23:16
merlin1991tadzik: arcean knows best, but he's currently not here23:16
tadzikI'll look around for him, thanks23:17
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