Re: [Linux-uvc-devel] Philips SPZ2000/00 reprise - slightly OT

2011-12-06 Thread Sebastian Arcus
On 05/12/11 21:38, Michele wrote: I've made some tests on this camera and I've had some mixed results. [/snip] I've writtent this to warn other linux users tha this is a bad camera anyway and one mustn't be fooled by the Philips brand on it, has absolutely nothing to do with the company that

Re: [Linux-uvc-devel] Quirk for mjpeg bandwidth

2011-11-02 Thread Sebastian Arcus
On 31/10/11 23:14, Sebastian Arcus wrote: I seem to recall some discussion about a hack/patch/quirk to get several of the newer HD cameras to work in mjpg mode on a single usb hub/bus. Does anybody know if this has made it into the uvc

Re: [Linux-uvc-devel] MS LifeCam Cinema and Studio have no usb bandwidth issue under Windows

2011-11-02 Thread Sebastian Arcus
On 02/11/11 17:38, Laurent Pinchart wrote: Hi Sebastian, On Friday 07 October 2011 14:00:03 Sebastian Arcus wrote: On 07/10/11 10:42, Alexey Fisher wrote: Am 07.10.2011 10:59, schrieb Sebastian Arcus: On 06/10/11 17:28, Alexey Fisher wrote: On 06.10.2011 18:16, Sebastian Arcus wrote: On 06

Re: [Linux-uvc-devel] Quirk for mjpeg bandwidth

2011-11-02 Thread Sebastian Arcus
On 02/11/11 18:17, Philip Gladstone wrote: On 11/2/2011 12:19 PM, Andrew Burgess wrote: i looked at this for similar reasons as you a few months ago. as i recall, there was just one line to change to essentially disable the bandwidth limitations, just changing the calculated bandwidth to

[Linux-uvc-devel] Quirk for mjpeg bandwidth

2011-10-31 Thread Sebastian Arcus
I seem to recall some discussion about a hack/patch/quirk to get several of the newer HD cameras to work in mjpg mode on a single usb hub/bus. Does anybody know if this has made it into the uvc driver, and if yes, after which version. Just to

[Linux-uvc-devel] Mark Microsoft LifeCam Studio as having the usb bandwidth bug

2011-10-27 Thread Sebastian Arcus
Hello all, Would it be possible to add the corresponding note next to the Microsoft LifeCam Studio in the supported devices list on the Linux uvc website (http://www.ideasonboard.org/uvc/), so that people will know that it has the same usb bandwidth bug as the Microsoft LifeCam Cinema,

Re: [Linux-uvc-devel] MS LifeCam Cinema and Studio have no usb bandwidth issue under Windows

2011-10-07 Thread Sebastian Arcus
On 06/10/11 17:28, Alexey Fisher wrote: On 06.10.2011 18:16, Sebastian Arcus wrote: On 06/10/11 15:59, Alexey Fisher wrote: On 06.10.2011 14:32, Sebastian Arcus wrote: Hello list, The above two cameras, which have the well known usb bandwidth bug under Linux don't seem to display

Re: [Linux-uvc-devel] MS LifeCam Cinema and Studio have no usb bandwidth issue under Windows

2011-10-07 Thread Sebastian Arcus
On 07/10/11 10:42, Alexey Fisher wrote: Am 07.10.2011 10:59, schrieb Sebastian Arcus: On 06/10/11 17:28, Alexey Fisher wrote: On 06.10.2011 18:16, Sebastian Arcus wrote: On 06/10/11 15:59, Alexey Fisher wrote: On 06.10.2011 14:32, Sebastian Arcus wrote: Hello list, The above two

[Linux-uvc-devel] MS LifeCam Cinema and Studio have no usb bandwidth issue under Windows

2011-10-06 Thread Sebastian Arcus
Hello list, The above two cameras, which have the well known usb bandwidth bug under Linux don't seem to display the same problems under Windows. I've tried them under Windows Vista and Windows 7 32bit. I've managed to display a LifeCam Studio and LifeCam Cinema at the same time through

Re: [Linux-uvc-devel] MS LifeCam Cinema and Studio have no usb bandwidth issue under Windows

2011-10-06 Thread Sebastian Arcus
On 06/10/11 15:59, Alexey Fisher wrote: On 06.10.2011 14:32, Sebastian Arcus wrote: Hello list, The above two cameras, which have the well known usb bandwidth bug under Linux don't seem to display the same problems under Windows. I've tried them under Windows Vista and Windows 7 32bit. I've

Re: [Linux-uvc-devel] Microsoft LifeCam Studio and multiple webcam setups?

2011-10-04 Thread Sebastian Arcus
On 03/06/11 06:25, Duck Tayp wrote: I tried this with a Lifecam Studio and a Microsoft VX 6000 connected to the same USB hub and could view live video simultaneously from both. My impression of the Lifecam Studio: excellent video and audio quality (even in low light), and it just works (at

Re: [Linux-uvc-devel] Microsoft LifeCam Studio and multiple webcam setups?

2011-06-06 Thread Sebastian Arcus
simultaneously from both. My impression of the Lifecam Studio: excellent video and audio quality (even in low light), and it just works (at least on the Ubuntu versions I've tried --- 10.10 and up). On 05/20/2011 07:46 AM, Sebastian Arcus wrote: I really liked the Microsoft LifeCam Cinema webcam

Re: [Linux-uvc-devel] Footage of objects in motion recorded from webcam is blurry

2011-04-29 Thread Sebastian Arcus
Hi, On 04/29/2011 09:56 AM, Laurent Pinchart wrote: Hi, On Wednesday 27 April 2011 10:42:14 Paulo Assis wrote: 1. Would this be fairly specific to the Logitech QuickCam 9000, or is a more generic issue with webcam sensors? Neither, you just need to lower exposure time. 2. Are other

[Linux-uvc-devel] Footage of objects in motion recorded from webcam is blurry

2011-04-27 Thread Sebastian Arcus
This might not be entirely related to the UVC driver, but there seems to be a great pool of knowledge about webcams here, so I appreciate any feedback on this. I am using some Logitech QuickCam Pro 9000 cameras for a cctv project. Footage recorded by the camera of people/objects on the move

Re: [Linux-uvc-devel] Footage of objects in motion recorded from webcam is blurry

2011-04-27 Thread Sebastian Arcus
On 04/27/2011 09:42 AM, Paulo Assis wrote: Hi, 1. Would this be fairly specific to the Logitech QuickCam 9000, or is a more generic issue with webcam sensors? Neither, you just need to lower exposure time. 2. Are other webcams better in this respect? I don't think so, you can control

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

2011-03-31 Thread Sebastian Arcus
On 03/31/2011 12:04 PM, Клиентский отдел \Кибернет\ wrote: Thanks to all for your answers. Current disposition: Gentoo linux: 2.6.36-r8 (kernel uvcvideo driver). I'm testing 2.6.37.5-zen patched kernel (zen-kernel.org). It slightly reduce total cpu utilisation. But in embedded usb-bus and

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

2011-03-30 Thread Sebastian Arcus
On 03/29/2011 10:26 PM, Paul Jurczak wrote: /snip 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

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

2011-03-29 Thread Sebastian Arcus
Hi, On 03/29/2011 01:59 PM, Alexey Fisher wrote: /snip But I unable to attach more webcams. These cams have no mjpeg. Could anybody help me to apply quirks or recalculate bandwith to use more webcams. As I understood no space on left device message depends on i assume it mean your hard