7 lines
318 B
Batchfile
7 lines
318 B
Batchfile
@echo off
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IF "%5"=="" GOTO HAVE_0
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ffmpeg -i %1 -i %2 -i %3 -filter_complex "[0]volume=0.2[a];[1]adelay=%4|%4,volume=2[b];[2]adelay=%4|%4,volume=2[c];[a][b][c]amix=3" -c:v copy -ac 2 %5
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GOTO DONE
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:HAVE_0
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ffmpeg -i %1 -i %2 -filter_complex "[0]volume=0.2[1]adelay=%3|%3,volume=1[b];[0][b]amix=2" -c:v copy -ac 2 %4
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:DONE |