forked from mia/Aegisub
79 lines
2.8 KiB
Lua
79 lines
2.8 KiB
Lua
--[[
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Copyright (c) 2007, Niels Martin Hansen
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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* Neither the name of the Aegisub Group nor the names of its contributors
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may be used to endorse or promote products derived from this software
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without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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]]
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local tr = aegisub.gettext
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script_name = tr"Automatic karaoke lead-in"
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script_description = tr"Join up the ends of selected lines and add \k tags to shift karaoke"
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script_author = "Niels Martin Hansen"
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script_version = "1.0"
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function add_auto_leadin(subs, sel)
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-- Smallest inter-line duration
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local min_interdur = nil
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for i = 2, #sel do
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-- Grab two selected lines
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local A = subs[sel[i-1]]
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local B = subs[sel[i]]
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-- Blank duration between lines
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local interdur = B.start_time - A.end_time
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if interdur > 0 then
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-- Update smallest inter-line duration
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if not min_interdur or interdur < min_interdur then
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min_interdur = interdur
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end
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B.start_time = A.end_time
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B.text = string.format("{\\k%d}%s", interdur/10, B.text)
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subs[sel[i]] = B
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else
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aegisub.debug.out(2, "Warning: Skipping line-pair with zero or negative inter-duration:\n%s\n%s\n\n", A.text, B.text)
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end
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end
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if min_interdur then
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aegisub.debug.out(0, "Smallest inter-line duration: %d milliseconds", min_interdur)
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aegisub.set_undo_point(script_name)
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else
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aegisub.debug.out(2, "Warning: No lines modified")
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end
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end
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function check_minsel_2(subs, sel)
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return #sel >= 2
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end
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aegisub.register_macro(script_name, script_description, add_auto_leadin, check_minsel_2)
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