用ffmpeg怎么把25个小视频组合成一个大视频？-灵析社区

新建一个filelist.txt: file '1.mp4' file '2.mp4' file '3.mp4' ... file '25.mp4' 用这个 FFmpeg 命令： ffmpeg -i input1.mp4 -i input2.mp4 -i input3.mp4 -i input4.mp4 -i input5.mp4 -i input6.mp4 -i input7.mp4 -i input8.mp4 -i input9.mp4 -i input10.mp4 -i input11.mp4 -i input12.mp4 -i input13.mp4 -i input14.mp4 -i input15.mp4 -i input16.mp4 -i input17.mp4 -i input18.mp4 -i input19.mp4 -i input20.mp4 -i input21.mp4 -i input22.mp4 -i input23.mp4 -i input24.mp4 -i input25.mp4 -filter_complex "[0:v][1:v][2:v][3:v][4:v][5:v][6:v][7:v][8:v][9:v][10:v][11:v][12:v][13:v][14:v][15:v][16:v][17:v][18:v][19:v][20:v][21:v][22:v][23:v][24:v]xstack=inputs=25:layout=0_0|w0_0|w0+w1_0|w0+w1+w2_0|w0+w1+w2+w3_0|0_h0|w0_h0|w0+w1_h0|w0+w1+w2_h0|w0+w1+w2+w3_h0|0_h0+h5|w0_h0+h5|w0+w1_h0+h5|w0+w1+w2_h0+h5|w0+w1+w2+w3_h0+h5|0_h0+h5+h10|w0_h0+h5+h10|w0+w1_h0+h5+h10|w0+w1+w2_h0+h5+h10|w0+w1+w2+w3_h0+h5+h10|0_h0+h5+h10+h15|w0_h0+h5+h10+h15|w0+w1_h0+h5+h10+h15|w0+w1+w2_h0+h5+h10+h15|w0+w1+w2+w3_h0+h5+h10+h15[v]" -map "[v]" output.mp4