You are right, i changed the input format to NV12 on GuvcView and got lower CPU usage (250%) and Temp ~75C. I does not help much overall.
On Saturday, March 12, 2016 at 8:47:38 PM UTC-3, Rosimildo DaSilva wrote: > > 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 >> >> -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
