Day: November 3, 2025

ffmpeg_YmdHMS cat -n ffmpeg_YmdHMS ffmpeg -i IMG_0001.jpg -vf crop=500:500:iw/5:ih/5 -strftime 1 -f image2 %Y-%m-%d-%H-%M-%S.jpg ffmpeg -i IMG_0001.jpg -vf crop=500:500:iw/5:ih/5 -strftime 1 -f image2 $(date +%Y%m%d)-$(date +%H%M%S).jpg 这里，%Y代表四位年份，%m代表月份，%d代表日，%H代表小时（24小时制），%M代表分钟，%S代表秒。 ffmpeg -i output_170455.jpg -strftime 1 -vf drawtext=fontfile=../msyh.ttf:text=’%{localtime}’:fontsize=200:fontcolor=#FF0000:x=W-3400:y=H-4550 -f image2 output_170455_%H%M%S.jpg ffmpeg -i 20250616_mdj.jpg -vf drawbox=50:100:700:205:color=#FF0000:thickness=1.5,crop=800:220:0:90,drawtext=fontfile=msyh.ttf:text=%{localtime}_专升本:fontsize=40:fontcolor=#FFFFFF:borderw=1:bordercolor=#000000 -strftime 1 -f image2 mdj_%Y%m%d-%H%M%S.jpg && rm -rfv 20250616_mdj.jpg ffmpeg -i not_dust.jpg -vf… Continue reading ffmpeg_YmdHMS

#麦克风静音 pactl set-source-mute alsa_input.pci-0000_00_14.2.analog-stereo 1 #挂起麦克风 pactl suspend-source alsa_input.pci-0000_00_14.2.analog-stereo 1 #休眠麦克风 pactl set-source-mute alsa_input.pci-0000_00_14.2.analog-stereo 0 #唤醒麦克风 pactl set-source-mute alsa_input.pci-0000_00_14.2.analog-stereo 1 #设置源输入声道静音 pactl set-source-mute alsa_input.pci-0000_00_14.2.analog-stereo 1 #设置源输入声道不静音 pactl set-source-mute alsa_input.pci-0000_00_14.2.analog-stereo 0 #静音 root135@root135:~/Documents$ amixer set Master off #取消静音 root135@root135:~/Documents$ amixer set Master on #获取音频设备源 pactl list sources short 0 alsa_input.usb-SN0002_2K_USB_Camera_46435000_P030300_SN0002-02.multichannel-input module-alsa-card.c s16le 1ch 16000Hz RUNNING 1… Continue reading pactl_amixer