Thursday, 19 July 2018

Can FFmpeg convert mp3 files into m4a in full, i.e. with both audio and video streams (jpeg cover) copied?

I use Zeranoe build of FFmpeg. It converts mp3 files into m4a files just fine, as far as the audio stream is concerned, but I can't figure out a way to keep the songs album cover jpeg, which ffmpeg for some reason recognizes as


Stream #0:1: Video: mjpeg, yuvj420p, 200x200 [SAR 120:120 DAR 1:1]

included into the output.m4a file. When I use the following command line:


ffmpeg.exe -i 09.mp3 -map 0 -codec:a libvo_aacenc -ab 320k -ar 44100 -ac 2 -codec:v copy output.m4a

I get the no tag, codec not currently in the container error. And yet, when I run ffprobe with a .m4a file ctreated by iTunes, there it is:


Stream #0:1: Video: mjpeg, yuvj420p, 350x350 [SAR 72:72 DAR 1:1]

So, is there a way to copy the songs cover as well with ffmpeg conversion?

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