业余语言练习 – Page 7 – 语言练习,语言学习,语言使用

os-release

cat /etc/os-release PRETTY_NAME=”Deepin 20.9″ NAME=”Deepin” VERSION_ID=”20.9″ VERSION=”20.9″ VERSION_CODENAME=”apricot” ID=Deepin HOME_URL=”https://www.deepin.org/” BUG_REPORT_URL=”https://bbs.deepin.org/” ———————— root135@root135:~/Documents$ uname -a Linux root135 5.15.77-amd64-desktop #2 SMP Thu Jun 15 16:06:18 CST 2023 x86_64 GNU/Linux root135@root135:~/Documents$

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Categorized as linux

x11grab

#Linux系统下录屏 #ffplay -window_title monitor -f x11grab\ -video_size 200:100 -i :0.0+800,25 \ -vf “drawbox=x=30:y=0.5:w=50:h=20:color=ff0000:t=1,\ scale=300×300” -left 880 -top 1 ffmpeg -f x11grab -framerate 30 -video_size 200:100 \ -i :0.0+800,25 \ -vf “setpts=(RTCTIME-RTCSTART)/(TB*1000000),\ drawbox=x=30:y=0.5:w=50:h=20:color=#FF0000” \ -f mp4 wubi.mp4 && exit 先用ffplay播放,体验录制区域,再用ffmpeg真正录制屏幕。

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Categorized as ffmpeg

symbol->°,在输入法中也可以这样输入

ffmpeg -f x11grab -framerate 30 -video_size 700:400 \ -i :0.0+80,200 \ -vf “setpts=(RTCTIME-RTCSTART)/(TB*1000000),\ drawbox=x=5:y=290:w=500:h=109:color=#FF0000” \ -f mp4 symbol.mp4 && exit 注意:这是针对linux deepin系统,不一样的系统,输入法不一样,请客观使用输入法。

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Categorized as symbol

transpose

transpose参数说明 (1)=90CpimterClockwise and Vertical Flip(default),逆时针旋转90°后垂直翻转。 (2)1=90Clockwise,顺时针旋转90° (3)2=90CounterClockwise,逆时针旋转90° (4)3=90Clockwise,顺时针旋转90°后垂直翻转。 ffmpeg –help filter=transpose ffmpeg -i IMG_0001.jpg -vf “transpose=1,transpose=1” \ -f image2 IMG_0001_0-r180.jpg && exit

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Categorized as ffmpeg

The phone after restarting

Password is required after restarting 重启后需要密码 To protect data security, you need to unlock the phone to access all functions. 为保护数据安全,你需要去解锁手机去访问所有功能.

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Categorized as english