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Old 11-29-2008
Subtitle Editor 0.30.0 (Default branch)
ImageSubtitle Editor is a GTK+2 tool to edit subtitles for GNU/Linux/*BSD. It can be used for new subtitles or as a tool to transform, edit, correct, and refine existing subtitles. It also shows sound waves, which makes it easier to synchronize subtitles to voices.License: GNU General Public License v3Changes:
Each function works around the extension system. This release adds 'Generate Wavefrom From Video' and a line break policy for ASS/SSA. There are many fixes.Image

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LEARN ABOUT DEBIAN

subtitles

Subtitles(3pm)						User Contributed Perl Documentation					    Subtitles(3pm)

NAME

       Subtitles - handle video subtitles in various text formats

DESCRIPTION

       Video files (avi mpeg etc) are sometimes accompanied with subtitles, which are currently very popular as text files. "Subtitles" provides
       means for simple loading, re-timing, and storing these subtitle files.  A command-line tool subs for the same purpose and using "Subtitles"
       interface is included in the distribution.

       The module supports "srt", "sub", "smi", and "mdvd" subtitle formats.

       Time values are floats, in seconds with millisecond precision.

SYNOPSIS

	       use Subtitles;

	       my $sub = Subtitles->new();

	       open F, 'Ichi The Killer.sub' or die "Cannot read:$!";
	       die "Cannot load:$@
" unless $sub-> load(*F);
	       close F;

	       # back two minutes
	       $sub-> shift( $sub-> parse_time('-02:00'));

	       # re-frame from 25 fps
	       $sub-> scale( 23.976 / 25 );

	       # or both
	       $sub-> transform( -120, 0.96);
	       $sub-> transform( -120, 0.96, 0, $sub-> length - 60);

	       # split in 2
	       my ( $part1, $part2) = $sub-> split( $self-> length / 2);

	       # join back with 5-second gap
	       $part1-> join( $part2, 5);

	       # save
	       open F, "> out.sub" or die "Cannot write:$!
";
	       $part1-> save( *F);
	       close F;

	       # report
	       print "sub is ", time2str( $sub-> length);

API

   Package methods
       codecs
	   Returns array of installed codecs.

       hms2time HOURS, MINUTES, SECONDS, MILLISECONDS
	   Combines four parameters into float time in seconds.

       time2hms TIME
	   Splits time into four integers, - hours, minutes, seconds, and milliseconds.  If time is less than zero, zero times are returned.

       time2shms
	   Splits time into five integers, - time sign, hours, minutes, seconds, and milliseconds.

       time2str TIME
	   Converts time to a human-readable string.

   Object methods
       clear
	   Removes all content

       codec [ STRING ]
	   If STRING is not defined, returns currently associated codec.  Otherwise, sets the new codec in association. The STRING is the codec's
	   package name, such as "Subtitles::Codec::srt".

       dup [ CLEAR ]
	   Duplicates object instance in deep-copy fashion. If CLEAR flag is set, timeframes are not copied.

       join GUEST, GAP
	   Adds content of object GUEST at the end of the list of subtitles with GAP in seconds.

       length
	   Returns length of subtitle span.

       load FH [ CODEC ]
	   Reads subtitle content into object. If successful, returns 1; otherwise undef is returned and $@ contains the error.

	   By default, tries to deduce which codec to use; to point the selection explicitly CODEC string is to be used.

       lines
	   Returns number of subtitle cues.

       new Creates a new instance. To force a particular codec, supply "codec" string here.

       parse_time STRING
	   Parses STRING which is either a "[[HH:]MM:]SS[,MSEC]" string or string in a format specific to a codec, for example, number of a frame.

       rate FPS
	   Forces a particluar frame-per-second rate, if a codec can make use of it.

       save FH
	   Writes content of instance into FH file handle, using the associated codec.

       scale A
	   Changes time-scale. If A is 2, the subtitles go off 2 times slower, if 0.5 - two times faster, etc.

       shift B
	   Shifts timings by B seconds. B can be negative.

       split TIME
	   Splits the content of the instance between two newly created instances of the same class, by TIME, and returns these. The both
	   resulting subtitles begin at time 0.

       transform A, B [FROM, TO]
	   Applies linear transformation to the time-scale, such as "u = At + B" where "t" is the original time and "u" is the result. If FROM and
	   TO brackets are set, the changes are applied only to the lines in the timeframe between these.

BUGS

       This is alpha code, more a proof-of-concept rather that anything else, so most surely bugs are lurking.

       Anyway: not all subtitle types are recognized.  The modules doesn't handle multi-language subtitles.

SEE ALSO

       subs - command-line wrapper for this module

THANKS

       <http://dvd.box.sk/>, <http://subs.2ya.com>.

AUTHOR

       Dmitry Karasik, <dmitry@karasik.eu.org>.

perl v5.14.2							    2012-02-14							    Subtitles(3pm)