When I use the filter to set the video to have multiple paths,
for example "split [main][tmp]; [tmp] crop=iw:ih/2:0:0, vflip[flip]; [main][flip] overlay=0:H/2" or "[0:v]scale=iw/2:ih/2[a];[1:v][a]overlay=30:30[v]",
the resulting video turned into three identical images of the filter effect
When I use the filter to set the video to have multiple paths, for example "split [main][tmp]; [tmp] crop=iw:ih/2:0:0, vflip[flip]; [main][flip] overlay=0:H/2" or "[0:v]scale=iw/2:ih/2[a];[1:v][a]overlay=30:30[v]", the resulting video turned into three identical images of the filter effect
![Uploading 20230214113858.png…]()
My code is as follows: