RE: RFC: V4L2 driver for Qualcomm MSM camera.

> -Original Message- > From: Laurent Pinchart [mailto:laurent.pinch...@ideasonboard.com] > Sent: Tuesday, December 28, 2010 12:24 PM > To: Shuzhen Wang > Cc: 'Mauro Carvalho Chehab'; 'Hans Verkuil'; linux- > me...@vger.kernel.org; hzh...@codeaurora.org

RE: RFC: V4L2 driver for Qualcomm MSM camera.

> -Original Message- > From: Mauro Carvalho Chehab [mailto:mche...@redhat.com] > Sent: Monday, December 27, 2010 4:12 AM > To: Hans Verkuil > Cc: Shuzhen Wang; linux-media@vger.kernel.org; hzh...@codeaurora.org > Subject: Re: RFC: V4L2 driver for Qualcomm MSM camera. >

RE: RFC: V4L2 driver for Qualcomm MSM camera.

Hello, Hans, Thank you very much for the comments! I don't have answers to all of your comments, but will reply as much as I can. Since a lot of folks are on break here, we will have feedbacks for the other ones after the holiday. > -Original Message- > From: linux-media-ow...@vger.ker

RFC: V4L2 driver for Qualcomm MSM camera.

Hello, This is the architecture overview we put together for Qualcomm MSM camera support in linux-media tree. Your comments are very much appreciated! Introduction This is the video4linux driver for Qualcomm MSM (Mobile Station Modem) camera. The driver supports video and camera

RE: Zooming with V4L2

3:05 PM To: Shuzhen Wang Cc: linux-media@vger.kernel.org; 'Hans de Goede' Subject: Re: Zooming with V4L2 Hi Shuzhen, On Wednesday 24 November 2010 20:58:33 Shuzhen Wang wrote: > Hello, Laurent, > > About using daemon, we have proprietary image processing and optimization

RE: Zooming with V4L2

http://www.linuxtv.org/news.php?entry=2010-06-22.mchehab. Regards, Shuzhen -Original Message- From: Laurent Pinchart [mailto:laurent.pinch...@ideasonboard.com] Sent: Wednesday, November 24, 2010 4:02 AM To: Shuzhen Wang Cc: linux-media@vger.kernel.org; 'Hans de Goede' Subject: Re: Zoomin

RE: Zooming with V4L2

rdware. I guess I will need to conform to the cropping/scaling interface then. -Shuzhen -Original Message- From: linux-media-ow...@vger.kernel.org [mailto:linux-media-ow...@vger.kernel.org] On Behalf Of Laurent Pinchart Sent: Monday, November 22, 2010 3:35 AM To: Hans de Goede Cc: Shuzhen W

RE: Zooming with V4L2

asonboard.com] Sent: Saturday, November 20, 2010 9:37 AM To: Shuzhen Wang Cc: linux-media@vger.kernel.org Subject: Re: Zooming with V4L2 Hi Shuzhen, On Saturday 20 November 2010 00:17:23 Shuzhen Wang wrote: > Hello, > > I am working on a SOC V4L2 driver, and need to implement zo

Zooming with V4L2

Hello, I am working on a SOC V4L2 video driver, and need to implement zoom functionality. >From application, there are 2 ways to do zooming. The 1st way is to use cropping and scaling as described in section 1.11.1. The application calls VIDIOC_S_CROP to achieve zoom. The 2nd way is to use V4L2

RE: Question about setting V4L2_CID_AUTO_WHITE_BALANCE control to FALSE

Nevermind. I think behavior #1 makes more sense. -Shuzhen -Original Message- From: linux-media-ow...@vger.kernel.org [mailto:linux-media-ow...@vger.kernel.org] On Behalf Of Shuzhen Wang Sent: Tuesday, November 16, 2010 11:30 AM To: linux-media@vger.kernel.org Subject: Question about

Question about setting V4L2_CID_AUTO_WHITE_BALANCE control to FALSE

Hello, When I set V4L2_CID_AUTO_WHITE_BALANCE control to FALSE, which one of the following is the expected behavior? 1. Hold the current white balance settting. 2. Set the white balance to whatever V4L2_CID_WHITE_BALANCE_TEMPERATURE control is set to. The V4L2 API spec doesn't specify this clea