[FFmpeg-user] Issue when adding a title to an audio stream within a mp4 file

Moritz Barsnick barsnick at gmx.net
Tue Mar 2 12:39:24 EET 2021

On Mon, Mar 01, 2021 at 15:17:40 +0100, PPRJ01 wrote:
> But ... I don't understand what you are planning to do.

I'm not planning to do anything. I checked whether this could easily be
fixed, but it cannot with my knowledge.

> Please tell me if I'm right or wrong :
> - ffprobe/ffmpeg will display the data contained in the "name" atom to stdout/stderr

No. When reading a file, ffmpeg does not understand it.

> - ffmpeg will NOT be able to copy the audio stream "title" to a new MP4 output file by using the -c copy option

Correct, ffmpeg does not understand your title when reading, and can
therefore also not convey it to an output file.

An ffmpeg developer, especially one who knows their way around atoms,
might be able to fix this. (I can give more details what my issues
were, if anyone picks this up.)


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