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@ -8,6 +8,7 @@ use utf8;
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use Getopt::Long; |
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use Subtitle::Format::SSA; |
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use Subtitle::TimePoint; |
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use Subtitle::Utils ':timing'; |
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my @points; |
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@ -141,12 +142,45 @@ if ($mode eq 'framerate') {
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} elsif ($mode eq 'drift') { |
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if ($points[0]->time >= 0.2) { |
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# add starting point |
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my $p = Subtitle::TimePoint->new; |
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$p->parse('0/0'); |
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my $p = Subtitle::TimePoint->new(time => 0.0, shift => 0.0); |
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unshift @points, $p; |
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} |
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# add endpoint |
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...; |
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# add endpoint, if needed |
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my $maxtime = 0.0; |
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foreach my $e (@{ $ssa->events }) { |
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next unless $e->t_end > $maxtime; |
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$maxtime = $e->t_end; |
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} |
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if ($maxtime > $points[-1]->time) { |
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my $p = Subtitle::TimePoint->new(time => $maxtime, shift => 0.0); |
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push @points, $p; |
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} |
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# dump points list |
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print "Final points list:\n"; |
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foreach my $p (@points) { |
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printf "- %d:%02d:%02d.%03d ~ %.3f\n", make_timing($p->time), $p->shift; |
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} |
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print "-" x 30, "\n"; |
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# real retime |
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$ssa->sort_events; |
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foreach my $e (@{ $ssa->events }) { |
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while ($points[1]->time <= $e->t_start) { |
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printf "move timepoints: %d:%02d:%02d.%03d (endpoint) <= %d:%02d:%02d.%03d (event)\n", |
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make_timing($points[1]->time), make_timing($e->t_start); |
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shift @points; |
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} |
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my ($a, $b) = @points; |
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my $pct = ($e->t_start - $a->time) / ($b->time - $a->time); |
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my $abs = ($a->shift > $b->shift) |
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? ($a->shift - $b->shift) |
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: ($b->shift - $a->shift); |
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my $mod = ($a->shift > $b->shift) |
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? ($a->shift - $abs * $pct) |
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: ($a->shift + $abs * $pct); |
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$e->t_start($e->t_start + $mod); |
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$e->t_end ($e->t_end + $mod); |
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printf "- %d:%02d:%02d.%03d ~ %.3f\n", make_timing($e->t_start), $mod; |
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} |
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} |
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if ($opts{outfile}) { |
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