user@imacg5:~/Desktop/Leonard Fletcher$ ffmpeg -i videoplayback -vn -acodec libmp3lame -ac 2 -ab 160k -ar 48000 c.mp3
WARNING: gnome-keyring:: couldn't connect to: /tmp/keyring-hNEone/pkcs11: No such file or directory
ffmpeg version 4.1.5 Copyright (c) 2000-2020 the FFmpeg developers
built with gcc 4.6 (Ubuntu/Linaro 4.6.4-1ubuntu1~12.04)
configuration: --enable-gnutls --prefix=/usr
libavutil 56. 22.100 / 56. 22.100
libavcodec 58. 35.100 / 58. 35.100
libavformat 58. 20.100 / 58. 20.100
libavdevice 58. 5.100 / 58. 5.100
libavfilter 7. 40.101 / 7. 40.101
libswscale 5. 3.100 / 5. 3.100
libswresample 3. 3.100 / 3. 3.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'videoplayback':
Metadata:
major_brand : mp42
minor_version : 0
compatible_brands: isommp42
creation_time : 2020-09-25T12:34:13.000000Z
Duration: 01:28:37.90, start: 0.000000, bitrate: 333 kb/s
Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv, bt709), 640x360 [SAR 1:1 DAR 16:9], 234 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
Metadata:
creation_time : 2020-09-25T12:34:13.000000Z
handler_name : ISO Media file produced by Google Inc. Created on: 09/25/2020.
Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 96 kb/s (default)
Metadata:
creation_time : 2020-09-25T12:34:13.000000Z
handler_name : ISO Media file produced by Google Inc. Created on: 09/25/2020.
Unknown encoder 'libmp3lame'
user@imacg5:~/Desktop/Leonard Fletcher$ sudo apt-get install lame
Reading package lists... Done
Building dependency tree
Reading state information... Done
lame is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 4 not upgraded.