enum v4l2_field field; struct timeval timestamp; struct v4l2_timecode timecode; __u32 sequence; /* memory location */ enum v4l2_memory memory; union { __u32 offset; unsignedlong userptr; } m; __u32 length; __u32 input; __u32 reserved; }; ------------ 学而不思则罔,思而不学则殆 -----------
一、前言 对比两个struct或者map,slice是否相等是大家经常会有的需求,想必大家也都接触过很多对比的方式,比如==,reflect.DeepEqual(),cmp.Equal()等。 这么多种对比方式,适用场景和优缺点都有哪些呢?为什么可以用==,有的却不可以呢?除了这三个,还有其他的方式可以判断相等吗?问题多多,且一起研究研究。 二、==...
v4l2loopback [1] driver for testing) but I have a problem which I can't seem to find a solution. VLC [2] uses VIDIOC_CROPCAP [3] to detect the pixelaspect ratio of the input it receives from v4l2 device. But I can't seem to find a way to set struct v4l2_cropcap.pixelaspect ...
[3] to detect the pixelaspect ratio of the >>> input >>> it receives from v4l2 device. But I can't seem to find a way to set struct >>> v4l2_cropcap.pixelaspect when I'm outputting data to the device and the >>> result is that VLC assumes pixelaspect is 1:1. >>> >>> ...
-struct vpfe_pixel_format { - struct v4l2_fmtdesc fmtdesc; - /* bytes per pixel */ - int bpp; -}; - struct vpfe_std_info { int active_pixels; int active_lines; Previous message View by thread View by date Next message [PATCH] am437x: remove unused struct vpfe_pixel_format Hans...
Hi Hans, Thank you for the patch.