
How does v4l2_buffer->timestamp to system OS timestamp
Aug 20, 2020 · We want to get v4l2_buffer timestamp with system os. We use this follow method to update our code. But we found there are not match. How can we get v4l2 buffer timestamp …
Trouble having v4l2 auto select correct mode - NVIDIA Developer …
Nov 19, 2024 · Hi, I have developed a driver for a camera that supports 3 modes, GREY, Y14, and Y16. The camera outputs in 1680x1050 @ 90,45, or 30. The issue is when I have …
How to set exposure and gain parameters for IMX219 with v4l2-ctl?
Aug 27, 2020 · here is : v4l2-ctl -l. Camera Controls. group_hold 0x009a2003 (bool) : default=0 value=0 flags=execute-on-write sensor_mode 0x009a2008 (int64) : min=0 max=5 step=1 …
Multiple V4L2 subdevices per driver instance - Jetson AGX Xavier ...
Aug 21, 2021 · Hi all, I’m actually doing a research to enable multiple video sources (V4L2 subdevices) in one device driver instance but there is not information for this kind of support …
V4l2 -capture 4k raw data - NVIDIA Developer Forums
Oct 10, 2023 · Hello, my goal is to A. use logitech 4k usb camera. B. capture 4k frames (to get 4k uncomressed representation in memory) C. save raw data to disk ( 4k, bmp, uncompressed) …
V4L2_BUF_FLAG_TSTAMP_SRC_SOE - NVIDIA Developer Forums
Jan 17, 2019 · V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000 Unknown timestamp type. This type is used by drivers before Linux 3.9 and may be either monotonic (see below) or …
Timestamps for v4l2 camera sensor - NVIDIA Developer Forums
Oct 3, 2022 · When that failed I spent some time trying to cherry pick out the struct definitions (vb2_buffer, vb2_queue, vb2_plane, etc) but that quickly got down to some includes only …
V4L2 - counting dropped frames - NVIDIA Developer Forums
Jul 17, 2023 · Hello, I am trying to implement a frame_counter to make sure that I know about dropped frames. I am using v4l2 userptr to receive frames and I would like to implement the …
Max9295 + max9296 + imx390 serdes camera v4l2 status is no …
Jul 8, 2021 · Hi all~ i tested custom board and that using max9295 + max9296 + imx390 serdes with two cameras almost same but different thing is Link A is YUV and LINK B is RGB. first …
无法生成v4l2子节点 - Jetson Orin NX - NVIDIA Developer Forums
Aug 14, 2024 · 我在probe函数里面加了一些打印,发现能够正确识别设备树的devnode值是video0,但是我再进一步打印num_channels和port@0,却发现我设置的num_channels是8, …