Category: ffmpeg

ffmpeg -i ../fuzhous.mp4 -i ../seas.mp4 -filter_complex “[0:v]fps=25[v0];[1:v]fps=25[v1];[v0][v1]xfade=transition=2:turnpage:duration=2:offset=3,format=yuv420p” ff_xfade_turnpage.mp4

ffmpeg -i test.mp4 -vf “subtitles=../fuzhou.srt:force_style=’Fontname=KaiTi,Fontsize=36,Alignment=2,OutlineColour=&H003300FF,BackColour=&H0033FF00,BorderStyle=1,Outline=1,Shadow=1,Spacing=5,MarginL=15,MarginV=20′” ff_subtitles_srt.mp4 ffmpeg -i test.mp4 -vf subtitles=filename=../fuzhou.ass:charenc=utf-i ff_subtitles_ass.mp4

ffmpeg -i test.mp4 -filter_complex ‘[0:v]setpts=expr=0.5*PTS;[0:a]atempo=tempo=2’ ff_setpts_atempo.mp4

ffmpeg -i test.mp4 -vf trim=start=5.1:end=15.8,setpts=PTS-STARTPTS ff_trim.mp4

ffmpeg -f x11grab -framerate 25 -video_size 340×400 -i :0.0+100,200 -vf ‘setpts=(RTCTIME-RTCSTART)/(TB*1000000)’ -f mp4 pot.mp4 -y -f pulse -i “alsa_output.pci-0000_00_1b.0.analog-stereo.monitor” -f mp3 pot.mp3 -y -r 1/1 -vf “eq=contrast=1.5” -f image2 fenbi/pot-%d.jpg -y