网课专用:simplescreenrecorder+ffplay – 业余语言练习

网课专用:simplescreenrecorder+ffplay

simplescreenrecorder作用:录制屏幕+摄像头麦克风(主要原因,声音没有延迟。)
Record audio->Backend(PulseAudio)->Source(2K USB Camera Mono)
ffplay作用:调用本地摄像头,并显示在屏幕,鼠标可以拖动显示框移动。
ffplay -f v4l2 -i /dev/video2 -vf 'setpts=(RTCTIME-RTCSTART)/(TB*1000000),hflip'

	
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