Hello,

In my project I need to apply shaders on a webcam video flux in real-time and show the result on fullscreen.
Webcam output can be MjPEG or H.264, thus we also need to use hardware for the decoding process.
Maybe there is different way to achieve it.

I tried to use OpenCV with OpenGL. However the OpenCV doesn't use hardware acceleration to decode the camera flux.
I've compiled and installed it on a ayufan Bionic lxde 0.6.41 image. I've also tried to do this on Stretch 0.5.15. Other more recent version or Bionic or Stretch doesn't boot on my Rock64 board.
Hardware acceleration seems to work because rkmpv is able to display nearly real-time webcam video, there is juste a huge latency reducing over the time.



Do you have ideas to make OpenCV use GPU or another app/library etc to to realize it with OpenGL ?

Thank you very much in advance.

Hi,

I just want to get some opinion on my build. I'm planning to build my own cloud using Nextcloud and Rock64, and using hardware raid for redundancy.

I'm hoping for the community to comment on my hardware selection.

Option A:

Rock64
USB to SATA cable (link)
Icy dock Hard Drive Cage with RAID (link)
250gb SSD (x2)
6A or 8A Power Supply (Link)
5.5mm to 3.5mm Power plug adapter (link)

Option B:

Rock64
USB 3.0 Type A to Type B (Link)
Oodelay USB 3.0 to 2x SATA with hardware RAID (Link)
250gb SSD (x2)
6A or 8A Power Supply (Link)
5.5mm to 3.5mm Power plug adapter (link)


Could anyone comment on the hardware selection. I'm leaning against option A but the Icy dock is more money than the Oodelay, and I'm trying to find out how to power the two SSD if I go with Option B. Can I power the two SSD using the USB 2.0 to SATA power adapter or can I use this splitter (link) and power the Rock64 and the two SSD's, I'm not sure if this is safe.

Hopefully someone could give me some advice.

Thanks

Hi

I purchased one of the first pre production Rock64 pro boards.  It has the following marking:-

Rockpro64_V2 2018-4-11

Searching the wiki and the forum, I can find NO collected information on what changes have occurred and need to be implemented to bring the module up to production revision.

Questions  

1) What is the revision of the modules that are being shipped in the current second batch?


2) Do the modules in the second batch include ALL the fixes for the known defects?  (see below)

3) Why does the wiki not include a list of essential modifications and instructions to perform them?

( The reason I ask is I see that there has been discussion about the removal of a SMD resistor to enable the  NVMe Card interface to power
up, however the Sata card still does not appear to work, IS this a "fix" or not?  I do not want to risk destroying up my board for no gain! )

4)  WHY is there no wiki  information giving a detailed UPDATED REGULARLY list of revision levels, modifications and working / not working status?  The Rock64 pro section of the wiki has  only had two minor updates since the Rock Pro wiki page was created in April:-

Quote:14 June 2018
 m   00:28 
ROCKPro64 Main Page‎ (diff | hist) . . (+120)‎ . . Pfeerick (Talk | contribs) (Added AP6356 wifi datasheet)
     00:15 
(Upload log) . . Pfeerick (Talk | contribs) uploaded File:AP6356 datasheet V1.0 07252014.pdf ‎(AMPAK AP6356 used in ROCKPro64 2×2 MIMO Dual Band WIFI 802.11AC/BLUETOOTH 4.1 MODULE https://www.pine64.org/?product=rockpro6...4-1-module)
10 June 2018
     08:50 
ROCK64 Software Release‎ (diff | hist) . . (+161)‎ . . Pfeerick (Talk | contribs) (→‎LibreElec)

I just wondered if anyone was aware of these?

http://my.bitscope.com/store/?p=view&i=product+BR20A

I have one here now, the BB02A blades seem to work just great with the Rock64 with slight modification.

The plastic spacer needs to be either replaced with a slightly longer one or some nylon washers added to give a tiny bit more height.

Hi,

I kave some problems with my new rock64 sbc (4Go, Ubuntu on 16Go eMMC, wifi). Here they are:

1: generally the first starts crash, with the red led on. After few restarts (or/and time of use), i have the impression that the board works better. Perhaps that a required working  temperature is not reached before a given time (?)

2: after the start-up, the board always give the error: Fail to apply network settings. You light not able to connect to bluetooth network via this machine. Exception: org.freedesktop.DBus.Error.Spawn.ExecFailed: fait to execute program org.blueman.Mechanism: Permission denied

3 the highligthing of the menus items are very very slow to follow the mouse cursor

4 taking a screenshot does not work

that's all for now. Someone can help
Regards
Pascal

Reference :
Product page  in Pine64 shop : PINE A64 / PINE H64 / ROCKPro64 ACRYLIC OPEN ENCLOSURE
Product page in the Pine64 shop : ROCKPro64 Heatsink

Does an owner know the M(etric)-size and length of the standoffs/spacers/pillars used in the case ?

From the tech drawing, it looks like the height of the heatsink is 30 mm. But it is blurry. Can an owner please confirm the 30 mm height ?

Cheers.

Hi all, the below link describes how to set up a Tor Relay on the "Pi"
Can this be done to the Pine A64(+) using a similar instruction set?


https://www.linux.com/blog/intro-to-linu...relay-node

I tested 'mele F10' on rock64 with official Android TV 0.3.13 image and it is NOT working. Can anybody confirm this?
Tried connecting dongle on usb2 and usb3 port and using power supply 3A. Still not worked. This classic airmouse works on every other board since the age of cubieboard.

Hello everyone
I need help. how to make cnc motion control by Rock64 with linuxcnc .
Thanks

Hey guys!
 
I need to change a few lines of code in the android kernel. I'm using this build but can't seem to find the kernel sources used to compile it. I tried to compile these sources up to the 3.10.104 merge tag but I get a lot of compilation errors. What gcc version should I be using? And once I compile the kernel how do I flash it to the rock64? Do I just use the compiled Image file as the kernel.img in AndroidTool or do I have to package it somehow?

Thanks!