Am 23.11.2020 um 16:14 schrieb Karl Messner:
Michael,
Thank you so much for your help. I made the changes you suggested and now I'm
getting this:
ffmpeg -report -i videos/intro720.mp4 -i videos/raw.mp4 -i videos/outro720.mp4 -i
videos/music.mp3 -filter_complex " \
[0]scale=1280:720:force_original_aspect_ratio=decrease,pad=1280:720:(ow-iw)/2:(oh-ih)/2,setsar=1[v0];\
[1]scale=1280:720:force_original_aspect_ratio=decrease,pad=1280:720:(ow-iw)/2:(oh-ih)/2,setsar=1[v1];\
[2]scale=1280:720:force_original_aspect_ratio=decrease,pad=1280:720:(ow-iw)/2:(oh-ih)/2,setsar=1[v2];\
[3:a]volume=.015[a0];\
[1:a][a0]amerge[amix];\
[v0][0:a:0] [v1][amix] [v2][2:a:0]concat=n=3:v=1:a=1[v][a]" -map "[v]" -map "[a]" -f
mp4 videos/out1606144376.mp4 2>&1
[Parsed_amerge_10 @ 0x21c96c0] No channel layout for input 1
[Parsed_amerge_10 @ 0x21c96c0] No channel layout for input 2
[AVFilterGraph @ 0x1a76460] The following filters could not choose their
formats: Parsed_amerge_10
Consider inserting the (a)format filter near their input or output.
Error configuring complex filters.
Input/output error
Are you sure that "amerge" is the correct filter for your purpose? Why
not the "amix" filter?
Michael
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