I am trying to create M4A files to play in my car, which has a USB interface.
This file works fine as is. However if I remux the file using:
ffmpeg -i Miaow-02-Hidden.m4a -c copy outfile.m4a
It will no longer play in my car.
ffmpegm4a
I am trying to create M4A files to play in my car, which has a USB interface.
This file works fine as is. However if I remux the file using:
ffmpeg -i Miaow-02-Hidden.m4a -c copy outfile.m4a
It will no longer play in my car.
Best Answer
I can the two files through TagEditor and noticed a difference:
As you can see, the original file has the index (moov atom) at the beginning of the file. This is known as faststart. I changed my command and it fixed the problem: