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我有多个视频,我想用它们之间的淡入淡出效果连接它们。这是2个720p视频的一个例子,但命令将输出大小调整为960x720。ffmpeg 2个视频之间的交叉淡入淡出
command = "ffmpeg -i 7.mp4 -i 8.mp4 -f lavfi -i color=black -filter_complex \"[0:v]format=pix_fmts=yuva420p,fade=t=out:st=6:d=1:alpha=1,setpts=PTS-STARTPTS[va0];[1:v]format=pix_fmts=yuva420p,fade=t=in:st=0:d=1:alpha=1,setpts=PTS-STARTPTS+6/TB[va1];[2:v]scale=1280x720,trim=duration=11[over];[over][va0]overlay[over1];[over1][va1]overlay=format=yuv420[outv]\" -map [outv] out.mp4"
system command