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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 302584540 by slashdotweenie on Friday 23rd of December 2011 03:19:02 PM
Old 12-23-2011
Thank you Roger Howard <rogerhoward@gmail.com>

Quote:
ffmpeg -acodec copy -vcodec copy This will copy the audio and video streams (without recompression) and repackage into a new container. For instance, if you have an mp4 and want to copy the audio/video streams (and nothing else) into a new mp4: ffmpeg -acodec copy -vcodec copy -i input.mp4 output.mp4 There are other tools, but I don't know of anything easier than this. I haven't tested it specifically for this purpose (stripping metadata) but since metadata is stored at the container level - not within the a/v streams - it should work just fine. And it's fast since there's no compression going on. I regularly repack MKVs into MP4 for my AppleTV and it's only a little slower than just a straight file copy. -R
 

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LEARN ABOUT SUSE

image::exiftool::quicktime

Image::ExifTool::QuickTime(3)				User Contributed Perl Documentation			     Image::ExifTool::QuickTime(3)

NAME

       Image::ExifTool::QuickTime - Read QuickTime and MP4 meta information

SYNOPSIS

       This module is used by Image::ExifTool

DESCRIPTION

       This module contains routines required by Image::ExifTool to extract information from QuickTime and MP4 video, and M4A audio files.

AUTHOR

       Copyright 2003-2010, Phil Harvey (phil at owl.phy.queensu.ca)

       This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

REFERENCES

       <http://developer.apple.com/documentation/QuickTime/>
       http://search.cpan.org/dist/MP4-Info-1.04/ <http://search.cpan.org/dist/MP4-Info-1.04/>
       http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt <http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt>
       <http://wiki.multimedia.cx/index.php?title=Apple_QuickTime>
       http://atomicparsley.sourceforge.net/mpeg-4files.html <http://atomicparsley.sourceforge.net/mpeg-4files.html>
       <http://wiki.multimedia.cx/index.php?title=QuickTime_container>
       <http://code.google.com/p/mp4v2/wiki/iTunesMetadata>
       <http://www.canieti.com.mx/assets/files/1011/IEC_100_1384_DC.pdf>

SEE ALSO

       "QuickTime Tags" in Image::ExifTool::TagNames, Image::ExifTool(3pm)

perl v5.12.1							    2010-03-09					     Image::ExifTool::QuickTime(3)
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