yt-dlp https://youtube.com/shorts/FYgvaRL2glU?s[...]

ffmpeg -i input.webm -c:v libx264 -c:a aac output.mp4

ffmpeg -i input.mp4 -t 3 -vf "subtitles=subs.srt:force_style='Fontname=Noto Sans Thai,Fontsize=18,PrimaryColour=&HFFFFFF&,OutlineColour=&H000000&,BorderStyle=1,Outline=2,Alignment=6,MarginV=30'" -c:a copy output_3sec.mp4

ffmpeg -i output.mp4 -vf " drawtext=fontfile=/usr/share/fonts/truetype/noto/NotoSansThai-Medium.ttf: text='Translation @lostintr': x=(w-text_w)/2:y=h-80: fontsize=36:fontcolor=white:borderw=3:bordercolor=black " -c:a copy output_with_tag.mp4