ffmpeg -f x11grab -framerate 30 -video_size 938×523 \ -i :0.0+79,193 -vf “setpts=(RTCTIME-RTCSTART)/(TB*1000000),\ drawtext=fontfile=/usr/share/fonts/msyh.ttf:\ fontcolor=#FF0000:fontsize=30:x=25:y=20:\ text=’mofayingyu'” -strict -2 -t 00:15:00 -f mp4 20250711jd.mp4 \ -f pulse -i ‘bluez_sink.41_42_FF_28_DF_E0.a2dp_sink.monitor’ \ -vf ‘setpts=(RTCTIME-RTCSTART)/(TB*1000000)’ \ -t 00:15:00 -c:a mp3 -y && exit 这个代码实现了网页视频与音频同步，录制15分钟自动停止。可以长期使用！主要在于\ -vf ‘setpts=(RTCTIME-RTCSTART)/(TB*1000000)’ 测试效果可以，令我非常满意。
ffmpeg crop complex
ffmpeg -i IMG_0001.jpg -filter_complex \ “[0:v]crop=1700:2300:0:0,eq=contrast=1.5:brightness=0.2[out];\ [0:v][out]overlay=0:0” output1_0.jpg && ffmpeg -i output1_0.jpg -filter_complex \ “[0:v]crop=1700:1150:0:0,eq=contrast=1.5:brightness=0.5[out];\ [0:v][out]overlay=0:0” output1_1.jpg && exit
vim 多窗口
wim more than windows :sp 将一个窗口切分为上下两个窗口 ‘Ctrl+w’+’Shift+-‘ 将上下两个窗口其中一个窗口最大化 ‘Ctrl+w’+’=’ 将上下两个窗口均等化 :vsp 将一个窗口切分为左右两个窗口 ‘Ctrl+w’+’Shift+|’ 将左右两个窗口其中一个窗口最大化 ‘Ctrl+w’+’=’ 将左右两个窗口均等化
Li Lin of Jiao Dian Fang Tan of 20250709
Overseas Chinese female youth Li Lin from Indonesia returned to China to join the Eighth Route Army and served as an instructor of the cavalry battalion of the 6th Detachment of the 120th Division of the Eighth Route Army. She was martyred in battle in April 1940 at the age of 24. 印尼归侨女青年李林，回国参加八路军，任八路军第120师6支队 骑兵营教导员。1940年4月在对日作战中牺牲，年仅24岁。
javac package
root135@root135:~/Downloads/java_0/school$ ls school_0 root135@root135:~/Downloads/java_0/school$ javac -d school/bin/ school/Personal.java root135@root135:~/Downloads/java_0/school$ tree . ├── school │ ├── bin │ │ └── school │ │ ├── library │ │ │ ├── Book.class │ │ │ └── Computer.class │ │ └── Personal.class │ ├── library │ │ ├── Book.java │ │ └── Computer.java │ ├── Personal.java │ ├── room… Continue reading javac package