ffplay顯示目前播放時間(PTS)
1. 安裝libfreetype6-dev
sudo apt-get install libfreetype6-dev2. 啟用ffmpeg設定
configure加入--enable-libfreetype3. 編譯
make4, 播放
Ubuntu 16.04路徑下的Freefont:/usr/share/fonts/truetype/freefont/FreeSerif.ttf
ffplay -vf "drawtext=fontfile=/usr/share/fonts/truetype/freefont/FreeSerif.ttf:fontsize=50:text='%{pts\:hms}':box=1:x=(w-tw)/2:y=h-(2*lh)" /content/movie.mp4
參考
https://superuser.com/questions/968685/how-to-display-current-time-with-the-ffplay-exe
drawtext語法
https://ffmpeg.org/ffmpeg-filters.html#drawtext
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