IRC logs for #automotive for Tuesday, 2017-03-07

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jbocklagemorning08:48
jbocklageI cannot find the CES 2017 AGL demo video with Dan... Can anyone point me to this video?08:49
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* jbocklage123 found it (https://vimeo.com/198163241/8aba459409)09:02
joboljbocklage, great09:02
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zeenixhi everyone!10:13
CTtpollardhey zeenix10:15
gunnarxya10:15
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wesamgood morning14:08
wesamI wanted to ask, for infotainment development, what do you think will be the most used programming language14:09
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voltbithi, is there any ad-hoc network protocol curently used or proposed to be used in automotive industry?14:15
CTtpollardwesam: infotainment is a very broad stack, depends what you're wanting to develop14:25
JEEBif you talk about low-level multimedia you generally end up with something compiled (a lot of C/C++, some asm even)14:26
JEEBregarding interfaces pretty much anything can be used14:26
CTtpollardzeenix: I don't want any attacks if the released qemu image is broken for users on GDP12 :)14:34
zeenixCTtpollard: 12 is a month later14:35
zeenixhence i want to merge now :)14:36
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wesamJEEB: what about higher stack like music apps and such14:41
JEEBthey usually have some multimedia framework (libav* , gstreamer) as the back-end and just have mappings against that back-end, so it really doesn't matter too much14:42
JEEBor heck, if you are full of processing power it could all be within chromium or something that would have the HTML5 video/audio support according to your configuration14:42
* JEEB isn't too much into HTML5 based things but must say that getting capable HTML5/CSS/JS people tends to be simpler than people well versed in some of the non-webby alternatives14:43
wesamoh you can just make a web based application and have it running on the car14:44
wesambut i thought web on cars is still not very well done14:45
wesamneeds time to mature14:45
CTtpollardwesam: html5 / Qt5 are commonly used for oss automotive gui's14:48
wesamCTtpollard: correct me if I'm wrong but Qt is just a framework for C++ right?14:50
CTtpollardwesam: yes, for gui's. It has bindings for other languages such a Python too14:51
JEEByes, it also contains a web view component. and then its own Qt Quick thing14:51
wesamso most applications use html5/Qt5 for GUI front end stuff14:51
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wesamoh ok, what about the backend for these applications, mainly c?14:52
wesamor could it be anything?14:52
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CTtpollardwesam: you could be futuristic & use rust/go/haskell14:55
CTtpollardjust don't build rust packages in yocto, unless you want to sit around for ages14:55
JEEBrust looks cool and I've poked around it, but the stdlib is just surprisingly small14:56
JEEBso you end up having to compare dependencies and thinking if something is usable in production14:56
JEEBmeanwhile golang I've written a few services in, and while the stdlib is far from perfect it's got a *very* wide-ranging stdlib, which does give it some ease of usage (kind of like python)14:57
JEEBI mean, I'm a big dummy but it was quite simple to create a web service that authenticates a HTTPS client against a user certificate being signed by the same CA that's configured on the service side :)14:58
wesamlol, i should really learn a functional language'15:00
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JEEBhaskell is nice, did a course on it at university and a coworker at a previous job made a summer project in it :)15:01
wesamoh nice15:01
wesami heard really good things on rust15:02
wesambtw, in the next couple years, what do you guys think people will be using for programming applications for infotainment15:03
JEEBrust as a language seems nice, but the ecosystem is not yet there IMHO15:03
wesamyou thibk it will still mainly be c and c++ for backend with html/Qt5 for gui15:03
JEEBstill too many things require *nightly* rust15:03
JEEBalthough 1.15 made that less than before15:04
wesamhow old is that language?15:04
JEEBearly 2010s I think15:04
wesami have a friend buildinga a game engine with kotlin15:04
JEEBkotlin is a nice JVM language15:04
wesamwow that language new15:05
* JEEB is developing an android thing with kotlin15:05
wesamand ya, it looked pretty cool15:05
wesamoh nice, does it work well with android sdk?15:05
JEEByes, it's just a thing on top of JVM after all15:06
JEEB"just"15:06
JEEBmakes it much more sane compared to Java personally :)15:06
wesamtrue15:06
wesamhmm i should try learning it15:06
JEEBalso kotlin can be inserted into a project little by little15:06
wesami do a lot of java so it will be interesting15:06
JEEByou can start converting classes one by one or add a new in kotlin15:07
JEEBwe still have one or two java classes in our android thing15:07
wesamso porting is easy15:07
JEEBthe language is even newer than rust but it's by the guys behind the IDEA IDE15:07
JEEBand they really worked on the integration15:08
wesamoh really, i love intellij15:08
JEEBincluding "convert this code to kotlin" kind of thing, which mostly works15:08
wesamya the language is only a few years old15:08
wesamis it fubctional?15:08
JEEBnot in the sense that haskell is15:09
JEEBbut it has a lot of stuff taken from those, just like many other languages nowadays15:09
wesamahh ok15:11
wesamJEEB: in the next couple years, what do you guys think people will be using for programming applications for infotainment15:12
wesamyou thibk it will still mainly be c and c++ for backend with html/Qt5 for gui15:12
JEEBI wouldn't dare to say anything about languages although for the lowest level you will need something compiled, and then for UIs those two will still be utilized15:13
JEEBnot sure if anyone took HTML5-based UIs into production though15:14
JEEBthey look really good in demos and you can use "normal" web developers to bring them up :D15:14
wesamwhat about stuff like map apps, voice assistants, and like other higher level apps15:15
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wesamdoes the apps built for the ces demo work?15:27
wesamif so, how can i add that package to my AGL build15:27
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sungw/win 2017:24
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wesamis there a sample of apps built for AGL?18:52
wesamor built on AGL?18:52
JEEBI'm not sure but as I think the public AGL stuff is just demo stuff I would be surprised if anyone wrote actual apps for the demo interfaces18:53
wesamif i want to build an app for AGL, would you recommend i build it natively or through something like SDL18:54
wesamshould I build the app for mobile and then use SDL to get it on the dash board18:54
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