Informazioni su file audio e video con MediaInfo

MediaInfo è un bel tool multi-piattaforma per ricavare informazioni audio e video.

E' disponibile in una versione CLI e in una versione con GUI.

Se vogliamo installare il tutto su Archlinux:

# pacman -Sy medianfo mediainfo-gui

Sulla parte GUI abbiamo poco da dire; avviatela e scegliete il file che vi ineteressa.

Se invece volete usare la CLI:

$ mediainfo -F 2times.mp3
General
Count                                    : 322
Count of stream of this kind             : 1
Kind of stream                           : General
Kind of stream                           : General
Stream identifier                        : 0
Count of audio streams                   : 1
Audio_Format_List                        : MPEG Audio
Audio_Format_WithHint_List               : MPEG Audio
Audio codecs                             : MPEG-2 Audio layer 3
Complete name                            : 2 times.mp3
File name                                : 2 times
File extension                           : mp3
Format                                   : MPEG Audio
Format                                   : MPEG Audio
Format/Extensions usually used           : m1a mpa1 mp1 m2a mpa2 mp2 mp3
Commercial name                          : MPEG Audio
Internet media type                      : audio/mpeg
Codec                                    : MPEG Audio
Codec                                    : MPEG Audio
Codec/Extensions usually used            : m1a mpa1 mp1 m2a mpa2 mp2 mp3
File size                                : 2728336
File size                                : 2.60 MiB
File size                                : 3 MiB
File size                                : 2.6 MiB
File size                                : 2.60 MiB
File size                                : 2.602 MiB
Duration                                 : 227265
Duration                                 : 3 min 47 s
Duration                                 : 3 min 47 s 265 ms
Duration                                 : 3 min 47 s
Duration                                 : 00:03:47.265
Duration                                 : 00:03:47.265
Overall bit rate mode                    : CBR
Overall bit rate mode                    : Constant
Overall bit rate                         : 96000
Overall bit rate                         : 96.0 kb/s
Stream size                              : 1152
Stream size                              : 1.12 KiB (0%)
Stream size                              : 1 KiB
Stream size                              : 1.1 KiB
Stream size                              : 1.12 KiB
Stream size                              : 1.125 KiB
Stream size                              : 1.12 KiB (0%)
Proportion of this stream                : 0.00042
Genre                                    : Dance
File last modification date              : UTC 2008-09-19 18:30:01
File last modification date (local)      : 2008-09-19 20:30:01

Audio
Count                                    : 272
Count of stream of this kind             : 1
Kind of stream                           : Audio
Kind of stream                           : Audio
Stream identifier                        : 0
Format                                   : MPEG Audio
Commercial name                          : MPEG Audio
Format version                           : Version 2
Format profile                           : Layer 3
Format settings                          : Dual mono
Mode                                     : Dual mono
Internet media type                      : audio/mpeg
Codec                                    : MPA2L3
Codec                                    : MPEG-2 Audio layer 3
Codec profile                            : Dual mono
Duration                                 : 227604
Duration                                 : 3 min 47 s
Duration                                 : 3 min 47 s 604 ms
Duration                                 : 3 min 47 s
Duration                                 : 00:03:47.604
Duration                                 : 00:03:47.604
Bit rate mode                            : CBR
Bit rate mode                            : Constant
Bit rate                                 : 96000
Bit rate                                 : 96.0 kb/s
Channel(s)                               : 2
Channel(s)                               : 2 channels
Sampling rate                            : 22050
Sampling rate                            : 22.05 kHz
Samples count                            : 5018688
Frame count                              : 8713
Compression mode                         : Lossy
Compression mode                         : Lossy
Stream size                              : 2727184
Stream size                              : 2.60 MiB (100%)
Stream size                              : 3 MiB
Stream size                              : 2.6 MiB
Stream size                              : 2.60 MiB
Stream size                              : 2.601 MiB
Stream size                              : 2.60 MiB (100%)
Proportion of this stream                : 0.99958

Con l'opzione -F gli indichiamo di visualizzare tutte le informazioni dispoibili.

Come vedete non sono poche.

Enjoy!