<Guest96>
hello, does nokia n900 support basic phone calls?
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<sicelo>
as of lately, yes :-)
<sicelo>
thanks to impressive work by arno11
<sicelo>
anyway, it's doesn't work out of the box yet ... but it will hopefully be, soon
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<Wizzup>
uvos__: how far did we get with razr? iirc you had it booting, but there was a display issue?
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<uvos__>
i dident do anything with the razr, besides boot tmlinds work but yes the razor works, except we have no backlght controll and the display has a timeing issue and jumps out of hsync
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<uvos__>
and the modem dosent work
<uvos__>
and ts-buttons dont work, as they are on a different controller
<uvos__>
otherwise it works
<Wizzup>
ok
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<arno11>
Wizzup: is it easy for you to port pulseaudio-module-cmtspeech-n9xx to chimaera ? i think this module should help me a lot. I already try to build it but can't find the right pulse-core dependency.
<Wizzup>
arno11: ok, I will try, it's a whole different thing though from the code you're trying
<Wizzup>
It will take me 1-2 days though
<arno11>
ok cool thx :)
<Wizzup>
it might also depend on other modules
<Wizzup>
and I don't know if the config is easy, you might have to look at old nemo images for it
<arno11>
yes but iirc other modules are ok
<arno11>
ah ok
<Wizzup>
I have a lot of notes on it somewhere I hope
<Wizzup>
I will try to find them once these build
<Wizzup>
what in particular do you hope to get out of it?
<Wizzup>
documenting the current status on the tool you tried so far is still very useful btw
<sicelo>
arno11: i just remembered that microphone audio during was also a bit muted in Nemo
<arno11>
i'd like to try it because i hope it helps to switch between 4000 and 8000hz rate
<arno11>
sicelo: ok
<arno11>
Wizzup: yes i will send an email soon :) now i understand quiet well how cmtspeech works
<arno11>
Is someone already try SIP calls on n900 or droid ?
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<arno11>
sicelo: Wizzup: i think it should be easy to have calls working OOTB with acceptable latency and good quality using 3G/HSDPA :) only 2G needs a bit of work ATM
<arno11>
And i asked for SIP calls because if it doesn't work, i'm 90% sure it is because of PA config
<Wizzup>
arno11: we can make sip calls on droid4 with twinkle and it works ok
<Wizzup>
with telepathy-gabble not yet
<Wizzup>
the calls work, but audio does not come through
<arno11>
Wizzup: ok
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<arno11>
Wizzup: finally we probably don't need module-cmtspeech-n9xx :)
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<Wizzup>
arno11: ah?
<arno11>
yep. 2g is supposed to work well only at 8000 hz and 1 channel but in fact work well at 4000 adding a bit of latency
<arno11>
everything is due to PA
<arno11>
leste PA version is really good but tricky to setup
<arno11>
so i think we don't need additional stuff
<arno11>
i think they are obsolete compared to what PA is able to do now in chimaera
<Wizzup>
the additional stuff being?
<buZz>
arno11: soon, pipewire and we'll need to do all this again :D
<arno11>
yes lol
<arno11>
the additional stuff was module-cmtspeech-n9xx
<arno11>
buzz: apparently there is a specific pipewire pckg to stay full compatible with PA
<arno11>
(PA config i mean)
<buZz>
yeah there is
<buZz>
but thats cheating!
<Wizzup>
arno11: so you got 2g to work ok too?
<buZz>
what i find most exciting about pipewire is that it can do pulseaudio-like routing for -video- streams too
<arno11>
buZz: oh nice
<arno11>
Wizzup: yes for 10 sec. lol after that PA cancel latency again
<arno11>
and upload get distored a bit
<Wizzup>
hm
<arno11>
Wizzup: that's normal. it was quiet similar with 3g
<arno11>
the trick is to modify the moment when cmtspeech starts to buffer
<Wizzup>
hm, can't we change how cmtspeech buffers?
<arno11>
yes we can but it's only a request from PA point of view
<Wizzup>
sure
<Wizzup>
but I mean, cmtspeech writes to this /dev/ node right?
<Wizzup>
there might be a way to control how that is buffered too
<Wizzup>
(not sure if we need to go down that path)
<arno11>
in fact it writes sound in a real file lol
<arno11>
i changed that to dev/null
<arno11>
and for buffering everything is dynamically changed and controlled by a monitoring process
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<arno11>
that's not easy to explain using a small keyboard but the key file to understand is cmtspeech_ofono_test.c
<Wizzup>
ok, but what I mean is that this can be tweaked to maybe solve this problem
<arno11>
oh yeah indeed
<arno11>
in 2g mode when the latency is > 100ms everything is fine.
<arno11>
and it's good news
<Wizzup>
great
<Wizzup>
I think that makes sense
<arno11>
and it means it's not related to frequency
<Wizzup>
probably makes sense, I am not sure if you can get better latency on 2g anyway
<arno11>
in 2g mode by default latency is less than 20ms !
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<arno11>
but according to what i've tested 100-350ms is usually better in sound quality and stability
<arno11>
under 70ms sound quality decrease and call experience is not better imoo
<arno11>
i think if we can get arround 150ms (stable) in 2g 3g and hsdpa it should be ok