[FFmpeg-user] id3 tags not really removed?
sanitychallngd at gmail.com
Tue May 30 01:37:31 EEST 2017
On 05/29/2017 06:03 PM, Rodolfo Medina wrote:
> Rodolfo Medina <rodolfo.medina at gmail.com> writes:
>> Rodolfo Medina <rodolfo.medina at gmail.com> writes:
>>> Gyan <gyandoshi at gmail.com> writes:
>>>> Unless specified otherwise, ffmpeg will transcode streams. You have to add
>>>> -c copy
>>>> to force stream copy (if the output format supports it). So,
>>>> $ ffmpeg -i input.mp3 -c copy -metadata artist="Caterina Pontrandolfo
>>>> Quartett" -metadata album="concerto di Fonte Avellana" -metadata
>>>> genre="popular" -metadata composer="tradizione lucana" output.mp3
>>> Great. Many thanks.
>> It works fine... But now I want to modify, to change some of those id3 tags.
>> Apparently, it is done with simply giving the above command once again, with
>> values changed at my pleasure: when afterwards I run `ffmpeg -i' on the file,
>> everything is fine and the values have changed as desired. But when I read
>> the file using the mp3 reader which is in my car, the old tags are still
>> there...! They have not changed at all! How comes, and how to solve it?
>> Thanks for any help,
> ... I also tried to remove all the tags with:
> $ ffmpeg -i input.mp3 -map 0:a -map_metadata -1 -c copy out.mp3
> and then put them again, but the problem remains...
I suspect the problem might be that ffmpeg works with the id3v2 tags,
while your mp3 reader works with the id3v1 tags.
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