Cheap HDMI USB Capture Card on a Raspberry Pi 4

FFmpeg Capture Notes: https://trac.ffmpeg.org/wiki/Capture/Webcam Install v4l List Devices List Modes List PulseAudio Sources Display Video from HDMI Capture Card using FFplay (720p 60fps) Display Video from HDMI Capture Card using FFplay (1080p 30fps) Play Audio from HDMI Capture Card using FFplay Capture Audio and Video to AVI File (720p 60fps, no re-encoding) Capture Audio and …