[ffmpeg] add timestamp summary to video files

Command record

Add local timestamp :（ Close test effectively ）

ffmpeg -re -i input.mp4 -vf “drawtext=fontsize=60:fontfile=FreeSerif.ttf:text=‘%{localtime:%Y-%m-%d %H-%M-%S}’:fontcolor=green:box=1:boxcolor=yellow” output.mp4

Add timestamp watermark ：（ suffer ffmpeg Version impact ？ Only from 1970-01-01 80:00:00 Start ）

ffmpeg -i input.mp4 -vf “settb=AVTB,setpts=‘trunc(PTS/1K)1K+st(1,trunc(RTCTIME/1K))-1Ktrunc(ld(1)/1K)’,drawtext=fontsize=100:fontcolor=white:text='%{localtime}.%{eif:1Mt-1Ktrunc(t*1K):d}:fontsize=40:fontcolor=white:box=1:x=50:y=70:boxcolor=black” -c:v libx264 -an -f mp4 output.mp4 -y

Add calculator watermark :（ It can support to the millisecond level ）

ffmpeg -i input.mov -vf “drawtext=fontsize=160:text=‘%{pts:hms}:fontsize=40:fontcolor=white:box=1:x=70:y=100:boxcolor=black’” -c:v libx264 -an -f mp4 output.mp4 -y

to A File plus system time ：（ Various online searches , Just try ！！！）

ffmpeg -I input.mp4 -vf “drawtext=fontsize=60:text=‘%{localtime:%Y-%m-%d %H:%M:%S’}':fontsize=40:fontcolor=red:box=1:x=50:y=70:[email protected]:” -y output.mp4

ffmpeg -i input.mp4 -vf “drawtext=fontsize=160:text=‘%{localtime}’:fontsize=40:fontcolor=red:box=1:x=50:y=70:[email protected]:” -c:v libx264 -an -f mp4 output.mp4 -y

ffmpeg -i input.mp4 -vf “drawtext=fontsize=160:text=‘%{localtime:%T}’:fontsize=40:fontcolor=red:box=1:x=50:y=70:boxcolor=white:” -c:v libx264 -an -f mp4 output.mp4 -y

Reference address

Copyright ： Link to this article ：https://blog.csdn.net/ternence_hsu/article/details/102540626
Reference resources ：《FFmpeg Beginner to master 》- “ Watermark the video ”