Is there a way to turn on HDMI output on boot although the connected television is off?
Yes, turn on HDMI-CEC support on your TV. Note that this feature can have different name, depending on TV manufacturer. Do some research.
Is there a way to turn on HDMI output on boot although the connected television is off?
Yes, turn on HDMI-CEC support on your TV. Note that this feature can have different name, depending on TV manufacturer. Do some research.
My question is - is it possible to get a TV out working? I found some patchwork regarding it for u-boot (and quick look at the source code revealed that there is in fact some tve related stuff), and I also found some patches for mainline armbian.
It is, it's just not a priority.
vermus Lima PR was merged few moments ago. Please test next nightly cubietruck image when it appears (~24h).
roel note that tablets can use parallel, DSI or LVDS interface. You have to check fex file to see which one is actually used on your device.
What would be a simple way to prevent jernej's build from loading the Realtek wifi drivers, to check if that's the culprit here?
The easiest that I could think of it to edit DT and remove USB node connected to wifi.
But now you say this will not work on LE because it doesn't us simple-fb?
Problem is that Kodi expects full DRM driver in order to work correctly. simple-fb is fbdev driver. You would see LibreELEC splash screen but I don't think Kodi would start.
How can I make LE picture through the projector then?
Would you say: don't bother, don't waist your time. Because this would means that LE will not work on any tablet, right?
Anything can run LE if it uses DRM driver and GPU driver which supports GBM interface. You just need to figure how to properly describe LCD panel in device tree. But I'm not right person to help you with that, I don't have experience with any output besides HDMI.
So, there is no way to add this drivers at LibreELEC? I mean myself.
You can. Just check one of those closed PRs.
it seems to activate a lcd screen it has to happen in uboot.
simple-fb (U-Boot initialized screen) is not useful for LibreELEC.
So if I build a new custom uboot, can I use a already flashed image and just dd the new uboot to the sd-card like this:
you can.
Else it seems working quite well with lima. Except it took a while until hdmi audio was coming (tried zattoo first, nothing, youtube had audio, but then also zattoo got audio...)
could be that issue with kernel 5.5? Can you try latest nightly?
lumpi can you test this one? LibreELEC-H3.arm-9.80-devel-20200206223537-b409e98.tar I enabled few CD/DVD ROM related drivers
EDIT: It uses Lima and has no deinterlace support. Just let me know if DVD is recognized properly.
In dmesg I can't see any device node added for the dvd, which gets enumerated as usb mass storage.
Is this a missing driver or something else?
Is this external DVD device or just DVD files on USB stick?
A note to self, or possibly others running into the panic on boot: try the rootwait nousb kcmd options or combinations thereof.
Can anyone test that? other SoCs don't need that.
Simple, use USB dongle. Realtek out-of-tree drivers are always refused to be included in LibreELEC. Check closed PRs for reason, at least one of them is for same wifi module as it is on OPi PC Plus.
Either in Cedrus driver or V4L2 requests H264 codec in ffmpeg. Note that this is somewhat HW specific - position of reference frames must be constant in frame list in HW. However, because there is missing reference, you don't know where to put that new reference and order breaks. That's why even if all following frames are good, there is still issue. I also tried to put frames on new positions, but that also didn't really work. Additional problem is that video is interlaced. For decoding such videos additional rules need to be considered for proper decoding.
Anyway, stream is broken, which puts it on low priority.
Not sure what's going on. Yes, just change dtb and change it's name in extlinux.conf. Make sure that at least one display output is enabled in DT.
myxal please edit extlinux/extlinux.conf and remove "quiet". it should give much more information. Not sure what to fix or enable in kernel.
Here it is: LibreELEC-A20.arm-9.80-devel-20200205191806-1de4346-inet97fv2.img.gz
I updated original github branch with source.
So far it's running for half an hour with one channel change. Rock solid maybe slightly flaky but that's just subjective.
I did some more testing on my collection of "problematic" videos I obtained trough the years and I get audio/video sync issues... I think ffmpeg deinterlace filter I wrote is not good enough yet. It certainly causes occasional Kodi crash. I guess I'll leave this image here until I fix all issues. Anyway, this branch contains one fix which I'll plan to PR it to Kodi, because it fixes other de-sync issues I had from the beginning but I had no idea what causes them.
Fixed boot: LibreELEC-A20.arm-9.80-devel-20200205073015-8b9de67-mele.img.gz
Same source branch as before.