NAME

fftrim - concatenate, trim and compress video files

VERSION

Version 0.03

SYNOPSIS

fftrim --in 00001.MTS --out clip1.mp4 --start 15.5 --end 44:13

fftrim --in "00001.MTS 00002.MTS" --out clip2.mp4 --start 44:13 --end 2-24:55

DESCRIPTION

fftrim processes raw videos from a camcorder by concatenating, trimming and compressing them according to arguments you supply on the command line, or in a CONTROL file.

Concatenation is performed using ffmpeg's "concat protocol". This file-level concatenation is suitable for MTS files generated by a Sony or Pansonic camera.

Trimming a single file

fftrim --in 00001.MTS --out clip1.mp4 --start 15.5 --end 44:13

Concatenating multiple source files

fftrim --in "00001.MTS 00002.MTS 00003.MTS" --out clip2.mp4 --start 44:13 --end 2-24:55

fftrim --in "00001.MTS 00002.MTS 00003.MTS" --out clip3.mp4 --start 2-24:55 --end 3-1:05

The expression 2-24:55 means a position in the concatenated file that includes the full length of the first clip and 24:55 of the second clip. Similarly, 3-65 or 3-1:05 would mean a position of 1:05 into the third clip.

The source files are concatenated into an intermediate file using the name of the first source file appended with .mp4.

Batch mode

fftrim --source-dir raw --target-dir final

It's probably better to try with the -n or -m flag first.

fftrim -n --source-dir raw --target-dir final

There is also some simple error checking, and fftrim will abort if errors are found in the CONTROL file.

CONTROL file format

The CONTROL file used for batch processing appears in the same directory as the source video files. It contains multiple lines of the following format:

# source file(s)    output file   start  end
# ---------------   -----------   -----  ----
  00001.MTS       : part1.mp4   : 15.5 : 44:13 

Arguments are separated by a colon character flanked by whitespace. Commented lines are ignored.

The following line creates part2.mp4 from source files 00001.MTS and 00002.MTS:

00001.MTS 00002.MTS : part2.mp4 :  44:13 : 2-24:55 

Profiles

$HOME/.fftrim is the directory for profiles, which are text files containing ffmpeg options.

Adding --profile highres to the command line will merge options from the file $HOME/.fftrim/highres.

Be sure to look at $HOME/.fftrim/default. These options are are merged by default, that is when --profile is not supplied. Please change them to suit yourself.

AUTHOR

Joel Roth, <joelz at pobox.com >

BUGS

Please report any bugs or feature requests to bug-app-fftrim at rt.cpan.org, or through the web interface at https://rt.cpan.org/NoAuth/ReportBug.html?Queue=App-fftrim. I will be notified, and then you'll automatically be notified of progress on your bug as I make changes.

SUPPORT

You can find documentation for this module with the perldoc command.

perldoc fftrim

You can also look for information at:

ACKNOWLEDGEMENTS

Thanks to ffmpeg developers and the community.

LICENSE AND COPYRIGHT

Copyright 2018 Joel Roth.

This program is free software; you can redistribute it and/or modify it under the terms of the the Artistic License (2.0). You may obtain a copy of the full license at:

http://www.perlfoundation.org/artistic_license_2_0

Any use, modification, and distribution of the Standard or Modified Versions is governed by this Artistic License. By using, modifying or distributing the Package, you accept this license. Do not use, modify, or distribute the Package, if you do not accept this license.

If your Modified Version has been derived from a Modified Version made by someone other than you, you are nevertheless required to ensure that your Modified Version complies with the requirements of this license.

This license does not grant you the right to use any trademark, service mark, tradename, or logo of the Copyright Holder.

This license includes the non-exclusive, worldwide, free-of-charge patent license to make, have made, use, offer to sell, sell, import and otherwise transfer the Package with respect to any patent claims licensable by the Copyright Holder that are necessarily infringed by the Package. If you institute patent litigation (including a cross-claim or counterclaim) against any party alleging that the Package constitutes direct or contributory patent infringement, then this Artistic License to you shall terminate on the date that such litigation is filed.

Disclaimer of Warranty: THE PACKAGE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS "AS IS' AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES. THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED TO THE EXTENT PERMITTED BY YOUR LOCAL LAW. UNLESS REQUIRED BY LAW, NO COPYRIGHT HOLDER OR CONTRIBUTOR WILL BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING IN ANY WAY OUT OF THE USE OF THE PACKAGE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.