Console output:
F:\Test>c:\ffmpeg\ffmpeg -i main.mov -i lp.mp4 -filter_complex "[1
]scale=100:100,sendcmd=f=test.cmd[2];[0][2]overlay=x='':y=''" -q:v 2 -t
4 -y out
x="":y="" are invalid arguments. They must be valid, even if they not
gonna be used later.
now it works. Thank you!
Should be added to sendcmd documentation:
-- An example which shows where to insert the sendcmd filter, if the
target filter has more than one input.
-- All arguments of filters must be initialized with valid values, even
if they are never used because sendcmd overwrites them.
Michael
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