howto remove meta info about MP4 or FLV file downloaded off Youtube? Post: 302579000

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Top Forums UNIX for Advanced & Expert Users howto remove meta info about MP4 or FLV file downloaded off Youtube? Post 302579000 by slashdotweenie on Saturday 3rd of December 2011 06:02:17 PM

12-03-2011

Registered User

Quote:

Originally Posted by CarloM

Try exiftool.

doesn't work Error: Writing of MP4 files is not yet supported

Code:

> exiftool -exif:all= test.mp4 
Error: Writing of MP4 files is not yet supported - test.mp4
    0 image files updated
    1 files weren't updated due to errors

exiftool even doesn't show all tags

Code:

> exiftool -all test.mp4 
ExifTool Version Number         : 8.71
File Name                       : test.mp4
Directory                       : .
File Size                       : 25 MB
File Modification Date/Time     : 2011:12:03 21:01:45+01:00
File Permissions                : rw-r--r--
File Type                       : MP4
MIME Type                       : video/mp4
Major Brand                     : MP4 v2 [ISO 14496-14]
Minor Version                   : 0.0.0
Compatible Brands               : isom, mp42
Movie Header Version            : 0
Create Date                     : 2011:12:02 03:45:58
Modify Date                     : 2011:12:02 03:45:58
Time Scale                      : 600
Duration                        : 0:02:17
Preferred Rate                  : 1
Preferred Volume                : 100.00%
Preview Time                    : 0 s
Preview Duration                : 0 s
Poster Time                     : 0 s
Selection Time                  : 0 s
Selection Duration              : 0 s
Current Time                    : 0 s
Next Track ID                   : 3
Track Header Version            : 0
Track Create Date               : 0000:00:00 00:00:00
Track Modify Date               : 2011:12:02 03:45:58
Track ID                        : 1
Track Duration                  : 0:02:17
Track Layer                     : 0
Track Volume                    : 0.00%
Image Width                     : 1460
Image Height                    : 1080
Graphics Mode                   : srcCopy
Op Color                        : 0 0 0
Compressor ID                   : avc1
Source Image Width              : 1460
Source Image Height             : 1080
X Resolution                    : 72
Y Resolution                    : 72
Bit Depth                       : 24
Video Frame Rate                : 10
Matrix Structure                : 1 0 0 0 1 0 0 0 1
Media Header Version            : 0
Media Create Date               : 2011:12:02 03:45:58
Media Modify Date               : 2011:12:02 03:45:58
Media Time Scale                : 44100
Media Duration                  : 0:02:17
Media Language Code             : und
Handler Description             : IsoMedia File Produced by Google, 5-11-2011
Balance                         : 0
Audio Format                    : mp4a
Audio Channels                  : 2
Audio Bits Per Sample           : 16
Audio Sample Rate               : 44100
Handler Type                    : Metadata
Handler Vendor ID               : Apple
Movie Data Size                 : 25906609
Avg Bitrate                     : 1.51 Mbps
Image Size                      : 1460x1080
Rotation                        : 0

not show by exiftool (but by mediainfo):

gshh : o-o.preferred.vadafone-zrh1.v20.lscache3.c.youtube.com

slashdotweenie

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minfo

minfo(1) General Commands Manual minfo(1)

Name
minfo - print the parameters of a MSDOS filesystem

Note of warning
This manpage has been automatically generated from mtools's texinfo documentation, and may not be entirely accurate or complete. See the
end of this man page for details.

Description
The minfo command prints the parameters of a Dos filesystem, such as number of sectors, heads and cylinders. It also prints an mformat
command line which can be used to create a similar Dos filesystem on another media. However, this doesn't work with 2m or Xdf media, and
with Dos 1.0 filesystems minfo drive:

Mlabel supports the following option:

v Prints a hexdump of the bootsector, in addition to the other information