Trying the posted example ```ffmpeg -i video.mp4 -i overlay1.png -i overlay2.jpg -i overlay3.png -filter_complex "[0:v]sendcmd=f=test.cmd,nullsink;[0:v][1:v]overlay@1[bg1];[bg1][2:v]overlay@2[bg2];[bg2][3:v]overlay[v]" -map "[v]" -map 0:a? -c:a copy output.mp4``` it gives me error ```No such filter: 'overlay@1'``` What can be wrong???
– Сергей СергеевJan 29 '19 at 07:20
@Gyan thanks for the answer. Do you know what problem with error ```No such filter: 'overlay@1'``` ?
– Сергей СергеевJan 29 '19 at 07:39
```ffmpeg -i video.mp4 -i overlay1.png -i overlay2.jpg -i overlay3.png -filter_complex "[0:v]sendcmd=f=test.cmd,nullsink;[0:v][1:v]overlay@1[bg1];[bg1][2:v]overlay@2[bg2];[bg2][3:v]overlay[v]" -map "[v]" -map 0:a? -c:a copy output.mp4```
it gives me error ```No such filter: 'overlay@1'```
What can be wrong??? – Сергей Сергеев Jan 29 '19 at 07:20