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Full Discussion: howto remove meta info about MP4 or FLV file downloaded off Youtube?
Top Forums UNIX for Advanced & Expert Users howto remove meta info about MP4 or FLV file downloaded off Youtube? Post 302578990 by slashdotweenie on Saturday 3rd of December 2011 02:49:41 PM
Old 12-03-2011
Network howto remove meta info about MP4 or FLV file downloaded off Youtube?
Hi

I tried a tool called mediainfo

Code:
> brew info  media-info
media-info 0.7.51
http://mediainfo.sourceforge.net
Depends on: pkg-config
/usr/local/Cellar/media-info/0.7.51 (3 files, 14M)
http://github.com/mxcl/homebrew/commits/master/Library/Formula/media-info.rb

Got details from a test file. Was surprised that I can see so much meta info.

Code:
> mediainfo test.mp4 
General
Complete name                            : test.mp4
Format                                   : MPEG-4
Format profile                           : Base Media / Version 2
Codec ID                                 : mp42
File size                                : 27.6 MiB
Duration                                 : 1mn 14s
Overall bit rate mode                    : Variable
Overall bit rate                         : 3 106 Kbps
Encoded date                             : UTC 2011-06-12 15:16:43
Tagged date                              : UTC 2011-06-12 15:16:43
gsst                                     : 0
gstd                                     : 74696
gssd                                     : BC1F7C107MM1321292341565026
gshh                                     : o-o.preferred.vadafone-zrh1.v20.lscache3.c.youtube.com

Video
ID                                       : 1
Format                                   : AVC
Format/Info                              : Advanced Video Codec
Format profile                           : High@L3.1
Format settings, CABAC                   : Yes
Format settings, ReFrames                : 1 frame
Codec ID                                 : avc1
Codec ID/Info                            : Advanced Video Coding
Duration                                 : 1mn 14s
Bit rate                                 : 2 948 Kbps
Maximum bit rate                         : 4 516 Kbps
Width                                    : 1 280 pixels
Height                                   : 720 pixels
Display aspect ratio                     : 16:9
Frame rate mode                          : Variable
Frame rate                               : 23.537 fps
Minimum frame rate                       : 23.256 fps
Maximum frame rate                       : 83.333 fps
Color space                              : YUV
Chroma subsampling                       : 4:2:0
Bit depth                                : 8 bits
Scan type                                : Progressive
Bits/(Pixel*Frame)                       : 0.136
Stream size                              : 26.2 MiB (95%)
Tagged date                              : UTC 2011-06-12 15:16:43

Audio
ID                                       : 2
Format                                   : AAC
Format/Info                              : Advanced Audio Codec
Format profile                           : LC
Codec ID                                 : 40
Duration                                 : 1mn 14s
Bit rate mode                            : Variable
Bit rate                                 : 152 Kbps
Maximum bit rate                         : 187 Kbps
Channel(s)                               : 2 channels
Channel positions                        : Front: L R
Sampling rate                            : 44.1 KHz
Compression mode                         : Lossy
Stream size                              : 1.35 MiB (5%)
Title                                    : IsoMedia File Produced by Google, 5-11-2011
Encoded date                             : UTC 2011-06-12 15:16:43
Tagged date                              : UTC 2011-06-12 15:16:43

What does this exactly mean? Why here is my provider named Vadafone?

Code:
gsst                                     : 0
 gstd                                     : 74696
 gssd                                     : BC1F7C107MM1321292341565026
 gshh                                     : o-o.preferred.vadafone-zrh1.v20.lscache3.c.youtube.com

Howto clear or edit those meta info?

I am running Mac OS X Lion
This User Gave Thanks to slashdotweenie For This Post:
dannycercado
 

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