我正在使用以下命令叠加 2 个视频 此命令完美运行,但会返回低分辨率视频输出 对此命令的任何更改都会使我的视频分辨率更好......!!?
"-i", FirstVideo, "-f","lavfi","-i","movie=" + SeconedVideo+
":loop=200,setpts=N/FRAME_RATE/TB","-filter_complex",
"[1:v][0:v]scale2ref[ua][b];[ua]setsar=1,format=yuva444p,colorchannelmixer=aa=1[u];[b][u]overlay=1:1:shortest=1", OutputFilePath