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ffmpeg -i NoAudio.mp4 -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate1.ts
ffmpeg -i 2Audio.mp4 -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate2.ts
ffmpeg -i "concat:intermediate1.ts|intermediate2.ts" -c copy -bsf:a aac_adtstoasc output.mp4
My output.mp4 ends up with only 1 Audio. What am I missing?
1You'll need to add dummy audio to the first file. – Gyan – 2018-12-21T05:20:42.323
how to add dummy audio to the first file? – SomeoneInNeedOfHelp – 2018-12-22T05:42:53.500