解释tryioctl videoio(v4l2:/dev/video0): select() timeout错误信息的含义 tryioctl videoio(v4l2:/dev/video0): select() timeout这一错误信息通常出现在使用OpenCV进行视频捕获时,尤其是在Linux环境下通过V4L2(Video for Linux 2)接口访问摄像头设备(如/dev/video0)时。这里的select()函数是一个系统调用,用...
global cap_v4l.cpp:1119 tryIoctl VIDEOIO(V4L2:/dev/video1): select() timeout. 运行摄像头的时候碰到了该错误。
1806 + switch (timerselect) { 1807 + case 1: 1808 + xhdmirx_tmr1_start(xhdmi, clockcycles); 1809 + break; 1810 + case 2: 1811 + xhdmirx_tmr2_start(xhdmi, clockcycles); 1812 + break; 1813 + case 3: 1814 + xhdmirx_tmr3_start(xhdmi, clockcycles); ...
qv4l2: don't select alsa device for video output. v4l2-compliance: select(): split "ret <= 0" test in two v4l-utils: sync with latest kernel (c)v4l-helpers.h: add functions for flags, ycbcr_enc and quantization v4l2-ctl: support the new ycbcr_enc and quantization fields. ...