| 関連するかも情報 |
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$ ffmpeg -i Newborn.caf -map_metadata 0 -q:a 1 Newborn.mp3
$ ffmpeg -i Newborn.caf -f ffmetadata caf-meta-output.txt
$ ffmpeg -i Newborn.mp3 -f ffmetadata mp3-meta-output.txt
$ cat caf-meta-output.txt
$ cat mp3-meta-output.txt
$ ffprobe Newborn.caf
$ ffprobe Newborn.mp3
[t] 2022-02-11 23:03:32
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これでだいたいOKかな。オプションの意味を把握できていないので調べないと。
[t] 2022-02-11 23:03:51
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$ ffprobe Newborn.caf
Input #0, caf, from 'Newborn.caf':
Metadata:
copyright : 2006
artist : Apple Inc.
Duration: 00:01:25.91, start: 0.000000, bitrate: 256 kb/s
Stream #0:0: Audio: aac (LC) (aac / 0x20636161), 44100 Hz, stereo, fltp
[t] 2022-02-11 23:05:00
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$ ffprobe Newborn.mp3
Input #0, mp3, from 'Newborn.mp3':
Metadata:
copyright : 2006
artist : Apple Inc.
encoder : Lavf59.16.100
Duration: 00:01:25.94, start: 0.025057, bitrate: 213 kb/s
[t] 2022-02-11 23:05:33
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Stream #0:0: Audio: mp3, 44100 Hz, stereo, fltp, 213 kb/s
Metadata:
encoder : Lavc59.18
[t] 2022-02-11 23:05:38
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RT @mofu_sand:
#バレンタイン
🎁 https://twitter.com/mofu_sand/status/1492130487304810497/photo/1
[t] 2022-02-11 23:32:03
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