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_BradC: Where (or to whom) would I submit an updated DVB-t scan list for Perth, Western Australia and what is the preferred format these days?
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Samuel235: Hello, would it be okay to ask a question regarding a V4L-DVB install bug/error for Ubuntu 14.04 here?
<br> I'm getting the following as a error when I attempt to run a ./build for V4L-DVB.
<br> "/usr/src/media_build/v4l/../linux/include/media/media-entity.h:480:10: error: expected expression before '%' token
<br> return %true;
<br> ^
<br> return %true;
<br> ^
<br> make[3]: *** [/usr/src/media_build/v4l/msp3400-driver.o] Error 1
<br> make[2]: *** [_module_/usr/src/media_build/v4l] Error 2
<br> make[2]: Leaving directory `/usr/src/linux-headers-4.4.0-31-generic'
<br> make[1]: *** [default] Error 2
<br> make[1]: Leaving directory `/usr/src/media_build/v4l'
<br> <u>make</u>: *** [all] Error 2
<br> build failed at ./build line 491."
mchehab: that's weird... on upstream, it is "return true"
<br> just double-checked
<br> (I did a patch that replaced it to %true on my experimental tree by mistake, but, AFAIKT, such patch was not merged upstream)
Samuel235: So for some reason the git clone that i have now does have a typo with that "%"?
mchehab: no idea
Samuel235: which file would you like me to check for this "%"?
mchehab: (09:55:16) Samuel235: "/usr/src/media_build/v4l/../linux/include/media/media-entity.h:480:10: error: expected expression before '%' token
Samuel235: Not sure where i should look for it as i'm not a very good linux user still.
<br> so the media-entity.h file
mchehab: it should download it automatically
<br> let me check if the tarball is ok
Samuel235: I'm currently grabbing the files from: "git clone git://linuxtv.org/media_build.git", as per the wiki page "https://linuxtv.org/wiki/index.php/How_to_Obtain,_Build_and_Install_V4L-DVB_Device_Drivers"
mchehab: ah, the tarball that it downloads from the server is broken
<br> it was built from the wrong tree
<br> I'm fixing it right now
<br> will let you know once done
Samuel235: Okay and then once you have done that i can just do my "git clone git://linuxtv.org/media_build.git" once again and it will grab the correct files, right?
<br> Still trying to grasp the ropes of all this git, tarball, etc etc so i'm pretty rusty so bare with my silly questions
<br> I appreciate your help though, thank you :)
mchehab: ok, please run the ./build script again
<br> it should download the right tarball this time
Samuel235: Ahh right okay 1 minute then
<br> Its currently building as we speak, i think
<br> Once this has finished building i can then go to installing the compiled drivers, right?
mchehab: yes
Samuel235: Fantastic. From futher reading, i'm not sure i actually need these now, but i will proceed as a just in case :)
<br> Okay, now i have my adapter showing up as adapter0 inside of /dev/dvb
<br> Is there a manual scan function i can run from a command to see what the usb stick can see?
mchehab: you could use dvbv5-scan. see the wiki for details
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Samuel235: Will check that out as my TVHeadEnd installation is misbehaving. Thank you for your help Mchehab!
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mrkiko: hello guys
<br> I have a problem with my TV tuner. dvb-t; xceive tuner + dibcom 700* based
<br> but the news is - I found kind of a solution
<br> The problem manifests itself so that when I tune to higher frequencies I can't tune back to vhf ones
<br> But I noticed that if I reboot my computer and/or reload drivers, then it works again; I was thinking this depended on the fact the firmware gets reloaded. But ... rebooting the computer and letting the USB tuner in, I noticed it doesn't download firmware again, finding the device already in warm state. Still it works
<br> and can tune in vhf again . i would like to try in patching the drivers when I have time and if I get to do that. I can not assure nothing. So my quesiton is - is there a function I might call to reset / reinitializze the device each time it gets closed
<br> This is an Asus My Cinema 3000U hybrid
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mrkiko: guys, any hint on listening FM radio with a radio-reception dvb device?
<br> Should I see a /dev/radioXX device?
<br> or may I use another device?
<br> ok guys, I know my tuner supports fm-radio, but how can I detect if drivers do support that? Or should I do something special?
<br> <u>crope</u>: hello, are you here?
<br> So ... if my device drivers support radio mode,will a /dev/radio? thing be presnet or may I need to do something different? I can't find missing firmware error on dmesg currently. And... in general can it be devices that supports fm radio but with no /dev/radio? In that case how should I do? :D
<br> thank you guys
awalls: test
<br> /dev/radioN is a control node that shows up to control the fm radio function of the device
<br> if it is not there, odds are the driver doesn't support the fm radio hardware
<br> sound/audio normally is available from the alsa pcm device nodes
<br> if the fm radio function is supported.
mrkiko: <u>awalls</u>: thank you; In particular I was referring to the xceive 2028/3028
<br> It says fm is untested... but I have no /dev/radio, so I should assume it's not supported
<br> <u>awalls</u>: (btw, we already met in GNURadio, right? :) )
awalls: yup.
mrkiko: :D
<br> "oddsa are it's not supported": I am not an english speaker... so it means "it's not supported"...
awalls: it is very likely not supported, correct
<br> what hardware device are you using?
mrkiko: thank you awalls ; I was asking since I wanted to know if it was my inability to use that or it wasn't supported. Thank you a lot awalls
awalls: you're welcome
mrkiko: I am using an Asus My Cinema U3000 Hybrid, usb dibcom 700 (maybe p or m? ) + a xceive tuner, xc2028/2038, low-power variant firmware version 3.6
<br> btw, by default it uses v2.7 firmware, but forcing the low-power one (3.7) I get a lot better signal reception
<br> <u>awalls</u>: unfortunately no wiki page for this device
<br> and the mini variant is different
awalls: the dvb-usb driver doesn't appear to support the analog tv or radio portion of hybrid devices
<br> just the digital TV portion of the device
mrkiko: <u>awalls</u>: I heard some reports about people using it for analog tv but...
<br> I don't know, and can't test easily since whereI am there is no analog tv ...
<br> <u>awalls</u>: your help is very apreciated
<br> <u>awalls</u>: my doubts come from this line
<br> file <kernel src dir>/drivers/media/tuners/tuner-xc2028.c line 1043
<br> that made me think I may have missed something
<br> while e.g. compiling my kernel
<br> this hardware seems pretty obscure in some sense - so that when I am listening to TV dvb-t channels I think "ooooh...."
<br> so maybe the tuner does support this functionality but not the bridge / dv-usb related driver?
awalls: correct
<br> https://git.linuxtv.org/linux.git/tree/drivers/media/usb/dvb-usb/dib0700_devices.c
<br> only dvb functions are implemented, not v4l2 functions
mrkiko: thank you very much awalls
awalls: it probably is a variation of a dibcom reference design
mrkiko: thank you for all guys
<br> you are very kind;
<br> but the tuner seems ... unusual
<br> going to sleep now.. thank you all guys; awalls have a good night + day; and the same to all... sorry if I lost messages, feel free to write in pm. .. good night
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