I have this camera, and if you change the "start_video.sh" script to
something like this....
you can see... the results... the CPU usage is much lower...
echo "Starting H264 Encoder..."
$FFMPEG -f v4l2 -input_format yuyv422 -r 10 -s 1280x720 -i
$SRC_VIDEO -pix_fmt yuv420p -an -r 25 -f rawvideo - | \
$ROOT_DIR/videoenc -i - -k 2 -r 25 -b 1024 -s 1280x720 -o
/tmp/out1.h264
;;
R
On Saturday, March 12, 2016 at 4:55:57 PM UTC-6, @lex wrote:
>
> Inspired by so many good arguments on USB uvc cameras i decided to test
> one, a 720P HD used in ODROID, so you can take a look and see how good it
> is for Orange Pi PC (Allwinner H3) and decide if having Encode/Decode by
> HW worth the effort or we throw in the towel, it is up to you.
>
> This is simple test, done with Orange Pi PC, with a tuned 3.4.39 kernel
> and with ssvb fex (TKaiser advice) to solve the so known temperature issues
> this board faces when running at high speed.
>
> The uvc camera is ODROID 720 HD:
> [ 196.199875] ehci_irq: highspeed device connect
> [ 196.460139] usb 4-1: new high-speed USB device number 2 using sunxi-ehci
> [ 196.890710] 2:3:1: cannot get freq at ep 0x84
> [ 196.892434] usbcore: registered new interface driver snd-usb-audio
> [ 196.923986] uvcvideo: Found UVC 1.00 device USB 2.0 Camera (1b71:0056)
> [ 196.938300] is_otg_flag: 0x0,
> [ 196.938479] usbcore: registered new interface driver uvcvideo
> [ 196.938489] USB Video Class driver (v1.1.1)
> [ 196.976118] 2:3:1: cannot get freq at ep 0x84
>
>
> As Jon said, you don't need to do anything, just plug it in and start
> using the UVC camera compliant. No need to worry about drivers, etc..
> This camera has MPJEG mode and YUV mode:
> ioctl: VIDIOC_ENUM_FMT
> Index : 0
> Type : Video Capture
> Pixel Format: 'MJPG' (compressed)
> Name : MJPEG
> Size: Discrete 1280x720
> Interval: Discrete 0.033s (30.000 fps)
> Interval: Discrete 0.040s (25.000 fps)
> Interval: Discrete 0.050s (20.000 fps)
> Interval: Discrete 0.067s (15.000 fps)
> Interval: Discrete 0.100s (10.000 fps)
> Interval: Discrete 0.200s (5.000 fps)
> Size: Discrete 640x480
> Interval: Discrete 0.033s (30.000 fps)
> Interval: Discrete 0.040s (25.000 fps)
> Interval: Discrete 0.050s (20.000 fps)
> Interval: Discrete 0.067s (15.000 fps)
> Interval: Discrete 0.100s (10.000 fps)
> Interval: Discrete 0.200s (5.000 fps)
> Size: Discrete 640x360
> Interval: Discrete 0.033s (30.000 fps)
> Interval: Discrete 0.040s (25.000 fps)
> Interval: Discrete 0.050s (20.000 fps)
> Interval: Discrete 0.067s (15.000 fps)
> Interval: Discrete 0.100s (10.000 fps)
> Interval: Discrete 0.200s (5.000 fps)
> Size: Discrete 544x288
> Interval: Discrete 0.033s (30.000 fps)
> Interval: Discrete 0.040s (25.000 fps)
> Interval: Discrete 0.050s (20.000 fps)
> Interval: Discrete 0.067s (15.000 fps)
> Interval: Discrete 0.100s (10.000 fps)
> Interval: Discrete 0.200s (5.000 fps)
> Size: Discrete 432x240
> Interval: Discrete 0.017s (60.000 fps)
> Interval: Discrete 0.033s (30.000 fps)
> Interval: Discrete 0.040s (25.000 fps)
> Interval: Discrete 0.050s (20.000 fps)
> Interval: Discrete 0.067s (15.000 fps)
> Interval: Discrete 0.100s (10.000 fps)
> Interval: Discrete 0.200s (5.000 fps)
> Size: Discrete 352x288
> Interval: Discrete 0.017s (60.000 fps)
> Interval: Discrete 0.033s (30.000 fps)
> Interval: Discrete 0.040s (25.000 fps)
> Interval: Discrete 0.050s (20.000 fps)
> Interval: Discrete 0.067s (15.000 fps)
> Interval: Discrete 0.100s (10.000 fps)
> Interval: Discrete 0.200s (5.000 fps)
> Size: Discrete 320x240
> Interval: Discrete 0.017s (60.000 fps)
> Interval: Discrete 0.033s (30.000 fps)
> Interval: Discrete 0.040s (25.000 fps)
> Interval: Discrete 0.050s (20.000 fps)
> Interval: Discrete 0.067s (15.000 fps)
> Interval: Discrete 0.100s (10.000 fps)
> Interval: Discrete 0.200s (5.000 fps)
> Size: Discrete 752x416
> Interval: Discrete 0.033s (30.000 fps)
> Interval: Discrete 0.040s (25.000 fps)
> Interval: Discrete 0.050s (20.000 fps)
> Interval: Discrete 0.067s (15.000 fps)
> Interval: Discrete 0.100s (10.000 fps)
> Interval: Discrete 0.200s (5.000 fps)
> Size: Discrete 800x448
> Interval: Discrete 0.033s (30.000 fps)
> Interval: Discrete 0.040s (25.000 fps)
> Interval: Discrete 0.050s (20.000 fps)
> Interval: Discrete 0.067s (15.000 fps)
> Interval: Discrete 0.100s (10.000 fps)
> Interval: Discrete 0.200s (5.000 fps)
> Size: Discrete 800x600
> Interval: Discrete 0.033s (30.000 fps)
> Interval: Discrete 0.040s (25.000 fps)
> Interval: Discrete 0.050s (20.000 fps)
> Interval: Discrete 0.067s (15.000 fps)
> Interval: Discrete 0.100s (10.000 fps)
> Interval: Discrete 0.200s (5.000 fps)
> Size: Discrete 864x480
> Interval: Discrete 0.033s (30.000 fps)
> Interval: Discrete 0.040s (25.000 fps)
> Interval: Discrete 0.050s (20.000 fps)
> Interval: Discrete 0.067s (15.000 fps)
> Interval: Discrete 0.100s (10.000 fps)
> Interval: Discrete 0.200s (5.000 fps)
> Size: Discrete 960x544
> Interval: Discrete 0.033s (30.000 fps)
> Interval: Discrete 0.040s (25.000 fps)
> Interval: Discrete 0.050s (20.000 fps)
> Interval: Discrete 0.067s (15.000 fps)
> Interval: Discrete 0.100s (10.000 fps)
> Interval: Discrete 0.200s (5.000 fps)
> Size: Discrete 960x720
> Interval: Discrete 0.033s (30.000 fps)
> Interval: Discrete 0.040s (25.000 fps)
> Interval: Discrete 0.050s (20.000 fps)
> Interval: Discrete 0.067s (15.000 fps)
> Interval: Discrete 0.100s (10.000 fps)
> Interval: Discrete 0.200s (5.000 fps)
> Size: Discrete 1024x576
> Interval: Discrete 0.033s (30.000 fps)
> Interval: Discrete 0.040s (25.000 fps)
> Interval: Discrete 0.050s (20.000 fps)
> Interval: Discrete 0.067s (15.000 fps)
> Interval: Discrete 0.100s (10.000 fps)
> Interval: Discrete 0.200s (5.000 fps)
> Size: Discrete 1184x656
> Interval: Discrete 0.033s (30.000 fps)
> Interval: Discrete 0.040s (25.000 fps)
> Interval: Discrete 0.050s (20.000 fps)
> Interval: Discrete 0.067s (15.000 fps)
> Interval: Discrete 0.100s (10.000 fps)
> Interval: Discrete 0.200s (5.000 fps)
>
> Index : 1
> Type : Video Capture
> Pixel Format: 'YUYV'
> Name : YUV 4:2:2 (YUYV)
> Size: Discrete 640x480
> Interval: Discrete 0.033s (30.000 fps)
> Interval: Discrete 0.040s (25.000 fps)
> Interval: Discrete 0.050s (20.000 fps)
> Interval: Discrete 0.067s (15.000 fps)
> Interval: Discrete 0.100s (10.000 fps)
> Interval: Discrete 0.200s (5.000 fps)
> Size: Discrete 640x360
> Interval: Discrete 0.033s (30.000 fps)
> Interval: Discrete 0.040s (25.000 fps)
> Interval: Discrete 0.050s (20.000 fps)
> Interval: Discrete 0.067s (15.000 fps)
> Interval: Discrete 0.100s (10.000 fps)
> Interval: Discrete 0.200s (5.000 fps)
> Size: Discrete 544x288
> Interval: Discrete 0.033s (30.000 fps)
> Interval: Discrete 0.040s (25.000 fps)
> Interval: Discrete 0.050s (20.000 fps)
> Interval: Discrete 0.067s (15.000 fps)
> Interval: Discrete 0.100s (10.000 fps)
> Interval: Discrete 0.200s (5.000 fps)
> Size: Discrete 432x240
> Interval: Discrete 0.017s (60.000 fps)
> Interval: Discrete 0.033s (30.000 fps)
> Interval: Discrete 0.040s (25.000 fps)
> Interval: Discrete 0.050s (20.000 fps)
> Interval: Discrete 0.067s (15.000 fps)
> Interval: Discrete 0.100s (10.000 fps)
> Interval: Discrete 0.200s (5.000 fps)
> Size: Discrete 352x288
> Interval: Discrete 0.017s (60.000 fps)
> Interval: Discrete 0.033s (30.000 fps)
> Interval: Discrete 0.040s (25.000 fps)
> Interval: Discrete 0.050s (20.000 fps)
> Interval: Discrete 0.067s (15.000 fps)
> Interval: Discrete 0.100s (10.000 fps)
> Interval: Discrete 0.200s (5.000 fps)
> Size: Discrete 320x240
> Interval: Discrete 0.017s (60.000 fps)
> Interval: Discrete 0.033s (30.000 fps)
> Interval: Discrete 0.040s (25.000 fps)
> Interval: Discrete 0.050s (20.000 fps)
> Interval: Discrete 0.067s (15.000 fps)
> Interval: Discrete 0.100s (10.000 fps)
> Interval: Discrete 0.200s (5.000 fps)
> Size: Discrete 752x416
> Interval: Discrete 0.050s (20.000 fps)
> Interval: Discrete 0.067s (15.000 fps)
> Interval: Discrete 0.100s (10.000 fps)
> Interval: Discrete 0.200s (5.000 fps)
> Size: Discrete 800x448
> Interval: Discrete 0.050s (20.000 fps)
> Interval: Discrete 0.067s (15.000 fps)
> Interval: Discrete 0.100s (10.000 fps)
> Interval: Discrete 0.200s (5.000 fps)
> Size: Discrete 864x480
> Interval: Discrete 0.050s (20.000 fps)
> Interval: Discrete 0.067s (15.000 fps)
> Interval: Discrete 0.100s (10.000 fps)
> Interval: Discrete 0.200s (5.000 fps)
> Size: Discrete 800x600
> Interval: Discrete 0.050s (20.000 fps)
> Interval: Discrete 0.067s (15.000 fps)
> Interval: Discrete 0.100s (10.000 fps)
> Interval: Discrete 0.200s (5.000 fps)
> Size: Discrete 960x544
> Interval: Discrete 0.050s (20.000 fps)
> Interval: Discrete 0.067s (15.000 fps)
> Interval: Discrete 0.100s (10.000 fps)
> Interval: Discrete 0.200s (5.000 fps)
> Size: Discrete 1024x576
> Interval: Discrete 0.067s (15.000 fps)
> Interval: Discrete 0.100s (10.000 fps)
> Interval: Discrete 0.200s (5.000 fps)
> Size: Discrete 960x720
> Interval: Discrete 0.067s (15.000 fps)
> Interval: Discrete 0.100s (10.000 fps)
> Interval: Discrete 0.200s (5.000 fps)
> Size: Discrete 1184x656
> Interval: Discrete 0.100s (10.000 fps)
> Interval: Discrete 0.200s (5.000 fps)
> Size: Discrete 1280x720
> Interval: Discrete 0.100s (10.000 fps)
> Interval: Discrete 0.200s (5.000 fps)
>
>
> So i tested it with GuvcView, in YUV mode and MJPEG mode.
>
> I came to the following conclusion (but you can have your own):
> * CPU intensive usage, even for compressed MJPEG, this is necessary
> because GuvcView needs to decompress MJPEG and render it on screen, so
> decoding is by software.
> * Raised CPU temp. ~80C and all sort of issues that come with it.
> * UVC cameras will have good use for streaming MJPEG or H264, without
> rendering it to screen. Forget about Cheese, GuvcView and apps. Maybe it is
> good for motion and OpenCV, you have to find out.
>
> Finally, have a look to image quality here:
>
> https://plus.google.com/u/0/photos/photo/113203245923875824895/6261286144173300082
>
> https://plus.google.com/u/0/photos/photo/113203245923875824895/6261288269096376978
>
> https://plus.google.com/u/0/photos/photo/113203245923875824895/6261280022112589490
>
> And you can compare it to the Cheap Orange Pi Camera here:
>
> https://plus.google.com/u/0/photos/photo/113203245923875824895/6248912774577238658
>
> https://plus.google.com/u/0/photos/photo/113203245923875824895/6248917191401732482
>
> And Rosimildo, Orange PI PC has built in Microphone and you can grab sound
> from it, again in order to sync the sound with image you need HW encoding.
>
> This is my 2 cents.
>
> @lex
>
>
>
>
> On Saturday, March 12, 2016 at 5:36:08 PM UTC-3, Jon Smirl wrote:
>>
>> On Sat, Mar 12, 2016 at 3:01 PM, Rosimildo DaSilva <[email protected]>
>> wrote:
>> > Jon,
>> > Thanks for yours always informative posts.
>> >
>> > I think someone should come up with a HDMI ==> CSI (MIPI ) interface
>> board
>> > for these OrangePI PCs... it would be owesome...., instead of these
>> gspca
>> > crap... they have now.
>>
>> newer Allwinner chips such as the A64 support MIPI displays. For
>> example the Pine64 uses the A64, but I don't know if they exposed the
>> DSI interface.
>>
>> >
>> >
>> > Jon, maybe you can help me... I am looking for an 720p or 1080p camera,
>> H264
>> > compressed video, and with Wired ( and WI-FI a plus ), with AUDIO
>> input...
>> > something that has also AUDIO as input and not just video.
>> > If you know any cameras with that capability, and in the US$50 range,
>> let me
>> > know.
>>
>> Look for little surveillance camera like this one:
>>
>> http://www.amazon.com/Vanxse%C2%AE-Pinhole-Security-Network-Surveillance/dp/B00QRM9AFG/ref=sr_1_1
>>
>> They contain those standardized, square camera boards I linked to
>> earlier.
>> You need to access these over Ethernet. Internally most run Linux on an
>> ARM9.
>>
>> The Sonix chips support audio input. Don't know if that taobao board
>> exposes it.
>>
>> Here is C920 for $60 shipped.
>> http://www.wirelessoemshop.com/logitech-hd-pro-webcam-c920/
>> It was at Amazon last week for $50 shipped but it is sold out now.
>>
>> If you drop h.264 and just use MJPG you can find USB cameras for $10.
>>
>> Look for deals on web cams. All web cams stream video and audio.
>>
>> >
>> > THanks, R
>> >
>> >
>> >
>> >
>> > On Saturday, March 12, 2016 at 1:09:32 PM UTC-6, Jon Smirl wrote:
>> >>
>> >> gspca is around 10 years old and it pre-dates UVC.
>> >>
>> >> The 291 image chip can take higher resolution stills, but mine only
>> >> has a 720P sensor on it.
>> >> The 292 image chip has similar performance at 1080P.
>> >>
>> >> I have wasted far too much time trying to get Allwinner cameras
>> >> working properly and I won't touch them any more.
>> >>
>> >> Our current product uses a more advanced camera similar to this one:
>> >>
>> >>
>> http://world.taobao.com/item/521668890252.htm?spm=a312a.7700714.0.0.ekoWOi#detail
>>
>> >> But these boards are too hard to interface with for casual use. The
>> >> main advantage to these chips is that they can simultaneously provide
>> >> three versions of the h.264 stream at different resolutions. The Sonix
>> >> chips are single stream but far easier to use.
>> >>
>> >> This is cheapest, decent h.264 720P camera I camera I am aware of -
>> $6.12
>> >>
>> >>
>> http://world.taobao.com/item/527850462938.htm?spm=a312a.7700714.0.0.d9CEzd#detail
>>
>> >> You would need to attach to it using Ethernet, USB access requires
>> >> custom firmware.
>> >>
>> >> Here are all of the modes supported by the 291 chips.
>> >> Note that it supports 720P30 h.264
>> >>
>> >> this first mode is uncompressed, 480Mb USB limits it to 720P5
>> >> jonsmirl@terra:/work/gm/linux-3.3-fa$ v4l2-ctl -d /dev/video1
>> >> --list-formats-ext
>> >> ioctl: VIDIOC_ENUM_FMT
>> >> Index : 0
>> >> Type : Video Capture
>> >> Pixel Format: 'YUYV'
>> >> Name : YUYV 4:2:2
>> >> Size: Discrete 1280x720
>> >> Interval: Discrete 0.200s (5.000 fps)
>> >> Size: Discrete 640x480
>> >> Interval: Discrete 0.033s (30.000 fps)
>> >> Interval: Discrete 0.050s (20.000 fps)
>> >> Interval: Discrete 0.067s (15.000 fps)
>> >> Interval: Discrete 0.100s (10.000 fps)
>> >> Interval: Discrete 0.200s (5.000 fps)
>> >> Size: Discrete 320x240
>> >> Interval: Discrete 0.033s (30.000 fps)
>> >> Interval: Discrete 0.050s (20.000 fps)
>> >> Interval: Discrete 0.067s (15.000 fps)
>> >> Interval: Discrete 0.100s (10.000 fps)
>> >> Interval: Discrete 0.200s (5.000 fps)
>> >>
>> >> Both MJPG and h.264 work at 720P30.
>> >> Index : 1
>> >> Type : Video Capture
>> >> Pixel Format: 'MJPG' (compressed)
>> >> Name : Motion-JPEG
>> >> Size: Discrete 1280x720
>> >> Interval: Discrete 0.033s (30.000 fps)
>> >> Interval: Discrete 0.050s (20.000 fps)
>> >> Interval: Discrete 0.067s (15.000 fps)
>> >> Interval: Discrete 0.100s (10.000 fps)
>> >> Interval: Discrete 0.200s (5.000 fps)
>> >> Size: Discrete 640x480
>> >> Interval: Discrete 0.033s (30.000 fps)
>> >> Interval: Discrete 0.050s (20.000 fps)
>> >> Interval: Discrete 0.067s (15.000 fps)
>> >> Interval: Discrete 0.100s (10.000 fps)
>> >> Interval: Discrete 0.200s (5.000 fps)
>> >> Size: Discrete 320x240
>> >> Interval: Discrete 0.033s (30.000 fps)
>> >> Interval: Discrete 0.050s (20.000 fps)
>> >> Interval: Discrete 0.067s (15.000 fps)
>> >> Interval: Discrete 0.100s (10.000 fps)
>> >> Interval: Discrete 0.200s (5.000 fps)
>> >>
>> >> jonsmirl@terra:/work/gm/linux-3.3-fa$ v4l2-ctl -d /dev/video2
>> >> --list-formats-ext
>> >> ioctl: VIDIOC_ENUM_FMT
>> >> Index : 0
>> >> Type : Video Capture
>> >> Pixel Format: 'H264' (compressed)
>> >> Name : H.264
>> >> Size: Discrete 1280x720
>> >> Interval: Discrete 0.033s (30.000 fps)
>> >> Interval: Discrete 0.050s (20.000 fps)
>> >> Interval: Discrete 0.067s (15.000 fps)
>> >> Interval: Discrete 0.100s (10.000 fps)
>> >> Interval: Discrete 0.200s (5.000 fps)
>> >> Size: Discrete 640x480
>> >> Interval: Discrete 0.033s (30.000 fps)
>> >> Interval: Discrete 0.050s (20.000 fps)
>> >> Interval: Discrete 0.067s (15.000 fps)
>> >> Interval: Discrete 0.100s (10.000 fps)
>> >> Interval: Discrete 0.200s (5.000 fps)
>> >> Size: Discrete 320x240
>> >> Interval: Discrete 0.033s (30.000 fps)
>> >> Interval: Discrete 0.050s (20.000 fps)
>> >> Interval: Discrete 0.067s (15.000 fps)
>> >> Interval: Discrete 0.100s (10.000 fps)
>> >> Interval: Discrete 0.200s (5.000 fps)
>> >>
>> >>
>> >>
>> >> On Sat, Mar 12, 2016 at 8:49 AM, @lex <[email protected]> wrote:
>> >> > Thanks Jon.
>> >> >
>> >> > I have some thoughts on this proposed hardware solution:
>> >> >
>> >> > * This camera will not be recognized as uvc usb device, unless you
>> add
>> >> > it to
>> >> > the device list, no big deal i think.
>> >> > Your kernel is 3.3 but i think you or someone else already added it
>> to
>> >> > uvc
>> >> > device list. (i may be wrong),
>> >> >
>> >> > * Orange PI ONE has only one USB, so you will need to access the
>> device
>> >> > remotely,
>> >> >
>> >> > * Grabbing the video can be done with V4l2 as usual,
>> >> >
>> >> > * I tested here a usb Labtec gspca camera which is VGA JPEG 30 FPS,
>> and
>> >> > its
>> >> > performance is about ~9 fps, that means USB camera tend to perform
>> below
>> >> > specifications when not in Desktop, may be the usb bandwidth is a
>> >> > constraint,
>> >> >
>> >> > * Original OPI camera is $ 5.90 while the one you pointed is $ 8.52
>> plus
>> >> > some usb cable and may need some wiring/soldering,
>> >> >
>> >> > * Logitec is out of question, i cannot get one for less than $
>> 100.00.
>> >> > And
>> >> > considering spending $ 10.00 / 15.00 on a sbc board and another $
>> 100.00
>> >> > is
>> >> > only viable if you don't want to mess with software.
>> >> >
>> >> > * No tinkering, no learning and no solution for the upcoming
>> Allwinner
>> >> > new
>> >> > devices going this route.
>> >> >
>> >> > So, guys lets's get back to work, the fight is not over yet.
>> >> >
>> >> > @lex
>> >> >
>> >> >
>> >> > On Friday, March 11, 2016 at 8:49:42 PM UTC-3, Jon Smirl wrote:
>> >> >>
>> >> >> [33718.237465] usb 2-5.1: new high-speed USB device number 12 using
>> >> >> ehci-pci
>> >> >> [33718.782014] usb 2-5.1: new high-speed USB device number 13 using
>> >> >> ehci-pci
>> >> >> [33719.121687] usb 2-5.1: New USB device found, idVendor=18e3,
>> >> >> idProduct=5100
>> >> >> [33719.121692] usb 2-5.1: New USB device strings: Mfr=2, Product=1,
>> >> >> SerialNumber=3
>> >> >> [33719.121696] usb 2-5.1: Product: USB 2.0 Camera
>> >> >> [33719.121698] usb 2-5.1: Manufacturer: Sonix Technology Co., Ltd.
>> >> >> [33719.121701] usb 2-5.1: SerialNumber: SN0001
>> >> >> [33719.122631] uvcvideo: Found UVC 1.00 device USB 2.0 Camera
>> >> >> (18e3:5100)
>> >> >> [33719.146885] uvcvideo: Unable to create debugfs 2-13 directory.
>> >> >> [33719.147213] input: USB 2.0 Camera as
>> >> >>
>> /devices/pci0000:00/0000:00:1d.7/usb2/2-5/2-5.1/2-5.1:1.0/input/input15
>> >> >> jonsmirl@terra:/work/gm/linux-3.3-fa$
>> >> >>
>> >> >> On Fri, Mar 11, 2016 at 6:26 PM, @lex <[email protected]> wrote:
>> >> >> > Can you please tell me the idVendor and idProduct for this
>> camera?
>> >> >> >
>> >> >> >
>> >> >> > On Friday, March 11, 2016 at 8:08:21 PM UTC-3, @lex wrote:
>> >> >> >>
>> >> >> >> Err... That was new to me. Without researching how do you grab
>> video
>> >> >> >> from
>> >> >> >> this generic driver how good this camera performs?
>> >> >> >>
>> >> >> >> On Friday, March 11, 2016 at 7:52:17 PM UTC-3, Jon Smirl wrote:
>> >> >> >>>
>> >> >> >>> On Fri, Mar 11, 2016 at 4:42 PM, @lex <[email protected]>
>> wrote:
>> >> >> >>> > Seems to be a nice camera, but that depends on your kernel
>> >> >> >>> > version.
>> >> >> >>> > There is no support for SN9C291 OV9712 on kernel v3.4.39.
>> >> >> >>> > And no support on odroid-3.8.30 on my U3 also.
>> >> >> >>> > Don't know about armbian legacy kernel version, but i don't
>> >> >> >>> > expect
>> >> >> >>> > there
>> >> >> >>> > will be support also.
>> >> >> >>>
>> >> >> >>> The camera does not need a specific driver, it uses the generic
>> USB
>> >> >> >>> Video driver.
>> >> >> >>> It is like a USB mouse or keyboard, you don't need a specific
>> >> >> >>> driver
>> >> >> >>> for every different one.
>> >> >> >>>
>> >> >> >>> Drivers/Multimedia/Media USB/USB Video Class (UVC)
>> >> >> >>>
>> >> >> >>> Kconfig USB_VIDEO_CLASS
>> >> >> >>>
>> >> >> >>> This support dates way back to around 2.4 or so. Almost every
>> >> >> >>> des
>
>
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