Some cameras are H.264 aware and they usually uses the UVC interface. They usually are mounted as two /dev/videoX devices. The YUYV amd MJPEG are on video0 and H.264 on video1. I have a couple of ELP cameras that do that. They really good.
I have tested them OPI PC they work just fine. R On Saturday, March 12, 2016 at 6:16:01 PM UTC-6, @lex wrote: > > Interesting, can you check if it is a feature of this camera or the new > kernel? > If you have OPI PC, can you check that? > > On Saturday, March 12, 2016 at 8:10:57 PM UTC-3, Jon Smirl wrote: >> >> Look carefully at my sonix video parameters... >> notice that there are two /dev/videoX devices >> >> This is done so that the screen display app can use the the >> uncompressed stream while forwarding on the h.264 stream without >> decompressing it. The uncompressed stream does not need much CPU to >> display. >> >> 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 5:55 PM, @lex <[email protected]> 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 >> >> >> >> >>> desktop >> >> >> >> >>> web cam works using this driver. >> >> >> >> >>> >> >> >> >> >>> > >> >> >> >> >>> > On Friday, March 11, 2016 at 4:41:59 PM UTC-3, Jon Smirl >> >> >> >> >>> > wrote: >> >> >> >> >>> >> >> >> >> >> >>> >> On Fri, Mar 11, 2016 at 2:18 PM, Manuel Braga >> >> >> >> >>> >> <[email protected]> >> >> >> >> >>> >> wrote: >> >> >> >> >>> >> > On Fri, 11 Mar 2016 05:53:36 -0800 (PST) Rosimildo >> DaSilva >> >> >> >> >>> >> > <[email protected]> wrote: >> >> >> >> >>> >> >> >> >> >> >> >>> >> >> I did not mention, but I founf two issues withe blobs: >> >> >> >> >>> >> >> >> >> >> >> >>> >> >> a) Motion Detection causes segmentation fault, >> whenever >> >> >> >> >>> >> >> enabled. >> >> >> >> >>> >> >> b) FFMPEG complains that timestamp ( PTS/DTS ) are >> missing >> >> >> >> >>> >> >> on >> >> >> >> >>> >> >> the >> >> >> >> >>> >> >> H264 stream generated by the encoder... I've tried >> many >> >> >> >> >>> >> >> things ( >> >> >> >> >>> >> >> code >> >> >> >> >>> >> >> is commented out ), but nothing worked. >> >> >> >> >>> >> > >> >> >> >> >>> >> > There is another issue, that i believe to be important. >> >> >> >> >>> >> > But for whatever reasons, it has to be constantly >> >> >> >> >>> >> > remembered >> >> >> >> >>> >> > about >> >> >> >> >>> >> > its >> >> >> >> >>> >> > existence. >> >> >> >> >>> >> > >> >> >> >> >>> >> > And that issue is: >> >> >> >> >>> >> > >> >> >> >> >>> >> > c) The proprietaries binary blobs don't have a clear >> >> >> >> >>> >> > license >> >> >> >> >>> >> > attached. >> >> >> >> >>> >> > >> >> >> >> >>> >> > And in the copyright law, any "things" with "no >> license" by >> >> >> >> >>> >> > default >> >> >> >> >>> >> > fell >> >> >> >> >>> >> > in the "all rights reserved". >> >> >> >> >>> >> >> >> >> >> >>> >> I gave up fighting with Allwinner's encoder long ago. It >> is >> >> >> >> >>> >> far >> >> >> >> >>> >> easier >> >> >> >> >>> >> to just plug in a USB based h.264 camera. You can easily >> buy >> >> >> >> >>> >> ones >> >> >> >> >>> >> from >> >> >> >> >>> >> Logitech for $50. >> >> >> >> >>> >> >> >> >> >> >>> >> If you want it at the hardware level, look at chips from >> >> >> >> >>> >> Sonix. >> >> >> >> >>> >> Here >> >> >> >> >>> >> is a board based on the SN9C291 for $8.50. The bare chips >> are >> >> >> >> > > -- 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.
