Re: [Linux-uvc-devel] Microsoft Lifecam HD 3000 (exposure + led issues)

Marco, I don't think the LED produces a lot to heat. The primary heat sources are USB controller, image sensor and voltage regulators. Paul --- On Sun, 6/5/11, Marco Gulino wrote: I see... it seems kinda hard then...Anyway worth trying, it would really help cooling down the camera..

Re: [Linux-uvc-devel] Raw Bayer data streaming from unknown camera

--- On Wed, 4/13/11, Laurent Pinchart wrote:Hi Paul, On Wednesday 23 March 2011 19:29:44 Paul Jurczak wrote: > Hi, > I have a project, which require raw pixel data from UVC camera (image > processor off). There are products in China, which use UVC camera > controller known to suppo

Re: [Linux-uvc-devel] Adding dynamic controls

I did a similar exercise with uvcdynctrl and result is the same. I modified logitech.xml file to leave XU_COLOR_PROCESSING_DISABLE selector only. I created 8 versions of .xml file with GUID = e3deaebb-c2ec-4d42-802c-72f2eb3dfb57, control selector from 1 to 8, control id from 0x0A046D81 to 0x0A04

[Linux-uvc-devel] Adding dynamic controls

Hello, I'm trying to add dynamic controls for a camera with undocumented XUs (Gear Head WC1300). lsusb shows presence of XU: VideoControl Interface Descriptor:         bLength                28         bDescriptorType        36         bDescriptorSubtype      6 (EXTENSION_UNIT)         bUnitID   

Re: [Linux-uvc-devel] How to 'quirk' more than 3 same "YUYV" streaming web-cams

> I don't know about other cases, but I use an Intel D510MO > motherboard for my project (with an Atom D510 dual core with > hyperthreading) - and it shows only one Linux Foundation 2.0 > root hub. Also my laptop with an Intel U2500 processor shows > only one Linux Foundation 2.0 root hub. So it se

Re: [Linux-uvc-devel] How to 'quirk' more than 3 same "YUYV" streaming web-cams

> > > You could always install another PCI or PCI-e USB card - > which will give you another 4-5 USB ports - but more > importantly, another USB root hub, separate from the one on > the motherboard. That's what I did to run 6 webcams at > 640x480 (but using mjpeg stream, not yuyv). That is, of >

[Linux-uvc-devel] uvcvideo.txt missing?

Hi, I'm trying to get UVC driver documentation and it seems that uvcvideo.txt file is missing. I looked at kernel.org sources for versions 2.6.38 and 2.6.31. Is there another place to look for current documentation of UVC driver API? Thank you,Paul___ L

Re: [Linux-uvc-devel] DigiMicro Scale 2.0

I just bought Gear Head WC1300BLK camera with the same VC0342PLVBE controller and VGA sensor. Camera works fine with GUVCViewer. Compared with your camera it lacks FRAME_MJPEG formats, only FRAME_UNCOMPRESSED are present. VC0342PLVBE supports MJPEG in high speed mode as pass-trough, only if image

Re: [Linux-uvc-devel] DigiMicro Scale 2.0

Hi Ezra, VC0342PLVBD means 4th version of firmware and VC0342PLVBE means 5th version of firmware. Chips are one time programmable. Quite likely they introduced a bug with a new release - happens all the time in software business. Paul --- On Thu, 3/24/11, Ezra Bühler wrote: From: Ezra Bühler

[Linux-uvc-devel] Raw Bayer data streaming from unknown camera

Hi, I have a project, which require raw pixel data from UVC camera (image processor off). There are products in China, which use UVC camera controller known to support streaming raw pixel data, for example Vimicro VC0345. Their Windows driver exposes 8-bit and 10-bit raw data modes, but they don

[Linux-uvc-devel] Extension unit documentation

Hello, I there any documentation available about XU (extension unit) for webcams other than Logitech? XML definition files for uvcdynctrl maybe? I'm specifically looking for disabling on-board image processing in order to get raw Bayer data. Large number of modern UVC compliant webcam controller

Re: [Linux-uvc-devel] timeout at second VIDIOC_STREAMON

Hi Hirofumi, Are you sure ID=046d:0992 belongs to Logitech Quickcam Communicate STX? I have Logitech QuickCam Communicate Deluxe with the same ID. Regards, Paul - Original Message > From: Hirofumi Momose <[EMAIL PROTECTED]> > To: linux-uvc-devel@lists.berlios.de > Sent: Thursday, Nove

Re: [Linux-uvc-devel] Quickcam pro 5000 and other uvc implementation.

oblem. My advice is to return QuickCam Pro and buy one of the above. Regards, Paul Jurczak - Original Message From: Laurent Bigonville <[EMAIL PROTECTED]> To: linux-uvc-devel@lists.berlios.de Sent: Saturday, October 13, 2007 4:25:28 PM Subject: [Linux-uvc-devel] Quickcam pro 500

Re: [Linux-uvc-devel] QuickCam Communicate STX (046d:08d7)

Well, it seems that this thread is not over yet. My last post was about part number 631785-0403, which seems to be an older part than 961464-0403 currently shown on Logitech website. My comments about errors on these websites may be erroneous themselves. I'm planning to visit a virtual store, th

Re: [Linux-uvc-devel] QuickCam Communicate STX (046d:08d7)

I've tried this camera too - not knowing about this thread. I've got the same results - it is not a UVC camera. So back it goes to the store. There is some confusion about this model on various websites: and

[Linux-uvc-devel] Creative Optia AF uncompressed format

Hi Damian, it's great to hear that another camera works with Linux UVC driver. Could you find out, if uncompressed format is raw Bayer data (1 byte per pixel)? Creative Labs press release about Optia AF suggests so. Regards, Paul. __

Re: [Linux-uvc-devel] V-Gear TalkCam MX6 AF

- Original Message From: Laurent Pinchart <[EMAIL PROTECTED]> To: linux-uvc-devel@lists.berlios.de Cc: Paul Jurczak <[EMAIL PROTECTED]> Sent: Monday, April 2, 2007 6:36:54 AM Subject: Re: [Linux-uvc-devel] V-Gear TalkCam MX6 AF Hi Paul, > I'm running luvcview with text output -

Re: [Linux-uvc-devel] V-Gear TalkCam MX6 AF

Hi Laurent, I'm running luvcview with text output - brightness and other parameters are within bounds and acknowledged to be set correctly by the driver, but preview image doesn't change. Regards, Paul Jurczak - Original Message From: Laurent Pinchart <[EMAIL PROTECTE

[Linux-uvc-devel] V-Gear TalkCam MX6 AF

I just received V-Gear TalkCam MX6 AF camera . I tested it with luvcview and preview works fine with YUYV format and 320x240, 640x480, 1024x768 and 1280x1024 resolutions (the sensor resolution is 1280x1024). Driver accepts requests to

Re: [Linux-uvc-devel] The source clock

Hi Laurent, > The SCR value increases with each incoming isochronous packet, so it's not > constant across a video frame. You are right, but this is the only field having device SOF counter value. It is needed to establish correspondence between device internal clock (STC) and device SOF count

Re: [Linux-uvc-devel] The source clock

sing on that data to find out offset between USB frame counter and system time. Again, this is relevant only if device and host SOF counters are using the same values. Best regards, Paul Jurczak. Su

Re: [Linux-uvc-devel] The source clock

TalkCam MX6) for testing. There seems to be a way to get host system time at SOF Token generation. Chapter 6.3 of Open Host Controller Interface Specification for USB describes StartOfFrame interrupt event, which could be used for this purpose. Best Regards, Paul Jurczak. - Original

Re: [Linux-uvc-devel] sn9c201

Hi David, are you sure sn9c201 is USB Video Class compliant? Product info page doesn't mention it. BTW, what is the brand and model of the camera you have? Regards, Paul. - Original Message From: David Clarke <[EMAIL PROTECTED]> To: linux-uvc-devel@lists.berlios.de Sent: Thursday, M

[Linux-uvc-devel] The source clock

Hello, Is there a clock on UVC cameras to get Presentation Time Stamp and Source Clock Reference, or these values are created by the driver on the PC? My understanding of the UVC specification supports the internal camera clock theory, which would be great for synchronization of 2 (or more) ca

Re: [Linux-uvc-devel] Sony Vaio VGN-SZ3VWP/X built-in laptop webcam

Hi Albert, Try UVCView at: Regards, Paul. - Original Message From: Albert Vilella <[EMAIL PROTECTED]> To: Laurent Pinchart <[EMAIL PROTECTED]> Cc: Daniel Storm <[EMAIL PROTECTED]>; linux-uvc-devel@lists.berlios.de; Mart

Re: [Linux-uvc-devel] Logitech QuickCam Pro 5000 (046d:08ce) not recognized (here, too but diffrent)

Hi Ralf, You have to install the uvcdriver. I also installed following packages on my Ubuntu box: libpt-plugins-v4l, libpt-plugins-v4l2 and xserver-xorg-video-v4l. Afterwards, I did what you just did and it's working fine for me. [disclaimer: I just started playing with Linux, so don't take me

[Linux-uvc-devel] Building the driver and application with raw Bayer capability

Hello, I'm making steps toward being able to use UVC cameras in my application. I've successfully built V4L2 application capturing streaming data from camera - my first Linux, non-"Hello World" application. I've got stuck on trying to get raw Bayer mode working. I was trying to get the newest

Re: [Linux-uvc-devel] Fuji FinePix and ekiga

Hi Ioannis, can you control this camera through linux-uvc driver (not touching any buttons on the camera) to take high resolution pictures? Regards, Paul. - Original Message From: Ioannis Nousias <[EMAIL PROTECTED]> To: linux-uvc-devel@lists.berlios.de Sent: Friday, January 19, 2007

Re: [Linux-uvc-devel] [SVN] New devices supported

some time on testing, provided you send me stress-test program or instructions to build one (I'm still a Linux wannabe). Any chance for raw Bayer support on Optia? Regards, Paul. - Original Message From: Laurent Pinchart <[EMAIL PROTECTED]> To: linux-uvc-devel@lists.ber

Re: [Linux-uvc-devel] [SVN] New devices supported

Hi Laurent, It's a great news to have more devices supported! BTW, does Creative Live! Optia exhibit similar USB control request problems as Logitech cameras? Regards, Paul Jurczak - Original Message From: Laurent Pinchart <[EMAIL PROTECTED]> To: linux-uvc-devel@lists

Re: [Linux-uvc-devel] Raw Bayer format

I found partial answer to my question: "Logitech UVC cameras support streaming of raw Bayer data through the use of UVC extension controls". Will this mechanism work with non-Logitech UVC cameras? Paul. - Original Message ---- From: Paul Jurczak <[EMAIL PROTECTED]> To:

[Linux-uvc-devel] Raw Bayer format

There was a few posts recently about receiving raw Bayer data from UVC camera. I looked at "USB Device Class Definition for Video Devices: Uncompressed Payload" document and it defines only 2 uncompressed formats: YUY2 and NV12. None of them is a raw Bayer and I don't think you can convert any o

Re: [Linux-uvc-devel] Which cam is best for Linux UVC?

Here are links to two new UVC cameras (available soon): 1. Creative Labs Live! Cam Optia 2. V-Gear TalkCam MX6 I'm planning to get one or both of th

[Linux-uvc-devel] Non-Logitech UVC cameras.

Hello, are there any non-Logitech UVC cameras, which do not experience control request problems? Regards, Paul. ___ Linux-uvc-devel mailing list Linux-uvc-devel@lists.berlios.de https://lists.berlios.de/mailman/listinfo/linux-uvc-devel

Re: [Linux-uvc-devel] Hardware issues with UVC Linux driver and some USB controllers

Hi Laurent, is this problem limited to camera initialization? If so, soft or hard reset would work for me, at least temporarily. I had USB2.0 camera initialization problems under Windows and hardware hack to toggle the power to the camera solved the problem. Regards, Paul. Hi Paul, > is the

[Linux-uvc-devel] Hardware issues with UVC Linux driver and some USB controllers

Hi Laurent, is there a USB controller, which does not have this problem? Is there a way of using UVC API (just my custom application and embedded version of Linux) to avoid this problem? Regards, Paul. .. > Yeah, indeed, luvcview did succeed to initialize the camera. > Ekiga by itself d