Searching for V4l No Overlay Support information? Find all needed info by using official links provided below.
https://e2e.ti.com/support/processors/f/791/t/208252?V4L2-driver-overlay-capabilities
However, when I try to querry display driver capability after opening driver for /dev/video1, there is no V4L2_CAP_VIDEO_OVERLAY capability. Also I tried to set overlay-top, overlay-left, overlay-width, and overlay-height propertties of v4l2sink, it has no effect. Does V4L2 driver for DM8148 support overlay …
https://community.nxp.com/thread/370658
Oct 30, 2013 · If it helps, please find the atached "mxc_v4l2_tvin_no_memcpy.zip" which references how to implement zero memcpy for de-interlace in aplication. We also have the patch for on the fly de-interlace, CSI->VDI->IC->MEM, in this case, if you set the overlay frame buffer as the capture buffer, it can be same as the mxc_v4l2_overlay test case:Reviews: 4
https://www.kernel.org/doc/html/v4.13/media/uapi/v4l/diff-v4l.html
For compatibility reasons the character device file names recommended for V4L2 video capture, overlay, radio and raw vbi capture devices did not change from those used by V4L. They are listed in Interfaces and below in V4L Device Types, Names and Numbers. The teletext devices (minor range 192-223) have been removed in V4L2 and no longer exist.
https://www.kernel.org/doc/html/v4.13/media/uapi/v4l/dev-overlay.html
4.2. Video Overlay Interface¶. Also known as Framebuffer Overlay or Previewing. Video overlay devices have the ability to genlock (TV-)video into the (VGA-)video signal of a graphics card, or to store captured images directly in video memory of a graphics card, typically with clipping.
https://sourceforge.net/p/syntekdriver/discussion/616183/thread/5bd6f69a/
Nov 21, 2009 · 174f:a311 gentoo "no overlay support" Forum: Help Creator: foormea
https://elinux.org/images/5/59/Elc09_mattporter_v4l.pdf
overlay driver to implement Xv support This is nice because the userspace driver wraps around the standard V4L output overlay API and requires no banging directly on h/w in userspace An Xv driver allows immediate access to hardware accelerate colorspace conversion for …
https://sourceforge.net/p/qce-ga/mailman/qce-ga-discussion/?viewmonth=200109
Her is the xawtv log: This is xawtv-3.47, running on Linux/i586 (2.2.19) x11: 800x600, 32 bit/pixel, 0 byte/scanline WARNING: Your X-Server has no DGA support. /dev/video: no overlay support v4l-conf had some trouble, trying to continue anyway wmhooks: gnome Warning: Cannot convert string "string" to type AsciiType ioctl: VIDIOCMCAPTURE(0,fmt=5 ...
https://forums.xilinx.com/t5/Processor-System-Design/V4L2-VIDIOC-STREAMON-error-32-Broken-Pipe/td-p/737137
Hello All! I built a custom bitfile based on an upgraded ZCU102 2016.2 TRD project. I've also got petalinux 2016.3 building and booting FSBL, U-boot, and linux. I'm using ubuntu 14.04 for ARM64 as my rootfs. I've customized the device tree source to match my block diagram project. I have two vi...
https://community.amd.com/thread/185778
Feb 12, 2016 · Now the player says that the video card does not support overlay. Although windows 8.1 with your latest drivers it works without problems. I used to verify Overlay support program that in the screenshot above. And the result is absolutely the same on any driver for windows 10 (Overlay enabled - …Reviews: 15
https://community.nxp.com/thread/310786
Aug 04, 2015 · Hello, I have implemented an OV5647 camera board which connects to my i.MX6 quad Wandboard. I am having trouble getting images from the driver andReviews: 28
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