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OS X has the command afinfo to fetch audio file info. Is there a similar command to fetch video file info for videos (mov,m4v) other than the mdls command?

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None that comes with OS X itself.

You can download the MediaInfo command-line interface (see the "CLI" link under x64). It's also available through Homebrew in the media-info package.

For a video, it'll produce something like the following output:

Format                                   : MPEG-4
Format profile                           : QuickTime
Format settings                          : Compressed header
Codec ID                                 : qt  
File size                                : 12.1 MiB
Duration                                 : 2mn 27s
Overall bit rate mode                    : Variable
Overall bit rate                         : 689 Kbps
Encoded date                             : UTC 2006-06-13 06:43:09
Tagged date                              : UTC 2006-06-13 06:43:12
Writing library                          : Apple QuickTime

Video #1
ID                                       : 2
Format                                   : AVC
Format/Info                              : Advanced Video Codec
Format profile                           : Main@L2.1
Format settings, CABAC                   : No
Format settings, ReFrames                : 2 frames
Format settings, GOP                     : M=2, N=24
Codec ID                                 : avc1
Codec ID/Info                            : Advanced Video Coding
Duration                                 : 2mn 23s
Source duration                          : 2mn 23s
Bit rate mode                            : Variable
Bit rate                                 : 569 Kbps
Maximum bit rate                         : 770 Kbps
Width                                    : 320 pixels
Height                                   : 240 pixels
Display aspect ratio                     : 4:3
Frame rate mode                          : Constant
Frame rate                               : 24.975 fps
Color space                              : YUV
Chroma subsampling                       : 4:2:0
Bit depth                                : 8 bits
Scan type                                : Progressive
Bits/(Pixel*Frame)                       : 0.297
Stream size                              : 9.74 MiB (80%)
Source stream size                       : 9.74 MiB (80%)
Language                                 : English
Encoded date                             : UTC 2006-06-13 06:18:04
Tagged date                              : UTC 2006-06-13 06:43:12
Color primaries                          : BT.601-6 525, BT.1358 525, BT.1700 NTSC, SMPTE 170M
Transfer characteristics                 : BT.709-5, BT.1361
Matrix coefficients                      : BT.601-6 525, BT.1358 525, BT.1700 NTSC, SMPTE 170M
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