On Mon, May 29, 2017 at 9:29 PM, Rodolfo Medina <[email protected]> wrote:
> Hi all. > > I'm adding id3 tags to a 208M mp3 file, with: > > $ ffmpeg -i input.mp3 -metadata artist="Caterina Pontrandolfo Quartett" > -metadata album="concerto di Fonte Avellana" -metadata genre="popular" > -metadata composer="tradizione lucana" output.mp3 > > . Now, the output.mp3 is only 83M. Why this? Does it mean a quality > loss? > How can I avoid it? How can I have output.mp3 the same size as input.mp3? > 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 _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
