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Recored Record the video with and audio: gst-launch-1.0 -vvv v4l2src ! "video/x-raw,'''<span style="color:red;">framerate=60/1</span>''',format=UYVY" ! v4l2h264enc extra-controls="controls,h264_profile=4,h264_level=13,video_bitrate=256000;" ! "video/x-h264,profile=high, level=(string)4.2" ! h264parse ! queue ! matroskamux name=mux ! filesink location=foo.mkv alsasrc device=hw:1 ! audio/x-raw,rate=48000,channels=2 ! audioconvert ! avenc_aac bitrate=48000 ! aacparse ! queue ! mux.
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For the above HDMI device, because the frame rate is 60, so we modify the framerate parameter to 60 like the followint command.
Record the video only:
gst-launch-1.0 -vvv v4l2src ! "video/x-raw,'''<span style="color:red;">framerate=60/1</span>''',format=UYVY" ! v4l2h264enc extra-controls="controls,h264_profile=4,h264_level=13,video_bitrate=256000;" ! "video/x-h264,profile=high, level=(string)4.2" ! h264parse ! queue ! matroskamux name=mux ! filesink location=foo.mkv
10. For old raspberry pi os, you can use [[Raspistil]] to take photo.
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