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I am using FFmpeg for live streaming with RTMP to YouTube.
My ffmpeg command is like this:

ffmpeg -ar 44100 -ac 2 -f alsa -i plughw:1,0 -f v4l2 -codec:v h264 -framerate 30 \
  -video_size 1920x1080 -itsoffset 0.5 -i /dev/video2 -copyinkf -codec:v copy -codec:a aac \
  -ab 44k -af 'highpass=200, lowpass=3000, volume=1' -g 4 -f flv \
   rtmp://a.rtmp.youtube.com/live2/8b35-vkye-476f-xxxx

I want to add date and time information on live stream video. How can I do this?

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  • My camera is H.264 camera
    – Paul
    Jul 1 '19 at 4:52
  • Can I add time-stamp H.264 stream from camera ?
    – Paul
    Jul 1 '19 at 5:07
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I think adding:

-vf "drawtext=fontfile=/usr/share/fonts/dejavu/DejaVuSans-Bold.ttf: text='%{localtime\:%T}': fontcolor=white@0.8: x=7: y=700"

should work. See Adding time stamp overlay to video stream using ffmpeg

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  • I did, but does not work properly.
    – Paul
    Jul 11 '19 at 6:42
  • I think that is why the frame format from camera is H.264 format. so, it can not rendering to H.264 directly.
    – Paul
    Jul 11 '19 at 6:43

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