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| 2013-12-13 12:48:10 -0600 | answered a question | Change focus of a V4l2 Cam Thanks I will try them out. |
| 2013-12-12 18:48:49 -0600 | commented answer | Change focus of a V4l2 Cam I am working on the ubuntu 12.04lts and need the focus control I was about to start this but if you have the change please post the difference here. |
| 2013-12-12 10:02:19 -0600 | commented answer | has anyone used a 8 megapixel camera with opencv I am in contact with libv4l2 person now [email protected] and have passed my fix plus the problem description. We can see what response we get. |
| 2013-12-11 16:35:35 -0600 | commented answer | has anyone used a 8 megapixel camera with opencv had made a change to http://git.linuxtv.org/v4l-utils.git/tree tip in file v4l-utils-HEAD-4dea4af/lib/libv4l2/libv4l2-priv.h The change was define V4L2_FRAME_BUF_SIZE (4096 * 4096) to define V4L2_FRAME_BUF_SIZE (2 * 4096 * 4096)When the package is recompiled and then the shared object files updated the package now works with the 8 megapixel camera in the raw mode. What action do you want me to take or maybe you have more insight into the how this is to work? |
| 2013-12-11 16:19:57 -0600 | commented answer | has anyone used a 8 megapixel camera with opencv I have found the code for libv4l2 recompiled and found the issue. I have actually entered this as bug on opencv with notes of the fix on the libv4l2 tip. |
| 2013-12-11 09:15:19 -0600 | received badge | ● Student (source) |
| 2013-12-10 13:08:19 -0600 | asked a question | has anyone used a 8 megapixel camera with opencv I am using an 8 megapixel camera and when I set the resolution to 3264x2448 i get the following: libv4l2: error converting / decoding frame data: v4l-convert: error destination buffer too small (16777216 < 23970816) VIDIOC_DQBUF: Bad address |