289 lines
13 KiB
Lua
289 lines
13 KiB
Lua
-- Reaper Scripts for 4 point editing. This script executes "one edit" and copies source material from
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-- already set source in/out markers to also set destination in/out markers.
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-- Author: Ludwig Frühschütz
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-- Source: https://www.eleton-audio.de
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-- Git: https://files.eleton-audio.de/gitea/Ludwig/Reaper-Scripts.git
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-- License: GPL v3.0
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-- Requires: Reaper 5 or 6
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-- Requires: SWS extensions. http://standingwaterstudios.com
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-- Requires: This script goes with several other scripts that work closely together.
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local stored_cursorPos = 0
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local stored_timeSelStart = 0
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local stored_timeSelEnd = 0
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local stored_sel_tracks = {}
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local stored_sel_items = {}
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local stored_view_start = 0
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local stored_view_end = 0
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local mark_srcin_pos = -1
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local mark_srcin_id = -1
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local mark_srcout_pos = -1
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local mark_srcout_id = -1
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local mark_dstin_pos = -1
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local mark_dstin_id = -1
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local mark_dstout_pos = -1
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local mark_dstout_id = -1
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local dst_track_offset = 0 -- if the uppermost item is not on the first sourcetrack, this offset needs to be applied to the dst-track selection
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local edit_mode = 0
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local sws_present = false
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-- edit modes: 0=not enough markers set; 1=src-in, src-out, dst-in; 2=src-in, src-out, dst-out;
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-- 3=src-in, dst-in, dst-out; 4=src-out, dst-in, dst-out; 5=all four markers set;
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-- Send a message to the console
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function msg(m)
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reaper.ShowConsoleMsg(tostring(m) .. "\n")
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end
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-- Round number
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function round(num, numDecimalPlaces)
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local mult = 10^(numDecimalPlaces or 0)
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return math.floor(num * mult + 0.5) / mult
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end
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-- Calculate offset between first source track and uppermost source item (how many
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-- tracks are empty in source selection on top). This needs to be applied to destination
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-- track selection, otherwise the items will be pasted shifted upwards.
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-- This function depends on the source tracks AND items to be already selected,
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-- it does not care about any markers or stored sourcetracks!
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function calculate_track_offset()
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local first_sel_track = 9999
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local uppermost_item_track = 9999
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-- get number of first selected track
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for i = 0, reaper.CountSelectedTracks(0)-1 do
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local nof_track = reaper.GetMediaTrackInfo_Value(reaper.GetSelectedTrack(0, i), "IP_TRACKNUMBER")
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if nof_track < first_sel_track then
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first_sel_track = nof_track
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end
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end
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-- get tracknumber of first selected item
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for i = 0, reaper.CountSelectedMediaItems(0)-1 do
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local trackno_item = reaper.GetMediaTrackInfo_Value(reaper.GetMediaItemTrack(reaper.GetSelectedMediaItem(0, i)), "IP_TRACKNUMBER")
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if trackno_item < uppermost_item_track then
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uppermost_item_track = trackno_item
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end
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end
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-- calculate offset
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dst_track_offset = uppermost_item_track - first_sel_track
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end
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-- Selects the source tracks, or, if not stored in rpp, selects all tracks
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function select_src_tracks()
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local tracks_str = ''
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local tracks = {}
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local retval
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retval, tracks_str = reaper.GetProjExtState(0, '4PointCut', 'src_tracks')
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if retval > 0 then -- variable exists in rpp
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-- separate GUIDs and populate track table
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for str in string.gmatch(tracks_str, "([^"..'{'.."]+)") do
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table.insert(tracks, reaper.BR_GetMediaTrackByGUID(0, '{' .. str))
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end
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-- select tracks
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for _, track in ipairs(tracks) do
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reaper.SetTrackSelected(track, true)
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end
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else
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-- default to all tracks
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for i = 0, reaper.CountTracks(0)-1 do
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reaper.SetTrackSelected(reaper.GetTrack(0, i), true)
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end
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end
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end
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-- Select the destination tracks, or, if not stored in rpp, the first track
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-- Also a offset must be specified which will be applied to the tracknumber to select
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function select_dst_track_only()
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local track_str = ''
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local retval
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local raw_dst_track
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-- Get "raw" track, without offset
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retval, track_str = reaper.GetProjExtState(0, '4PointCut', 'dst_track')
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if retval > 0 then -- variable exists in rpp
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raw_dst_track = reaper.BR_GetMediaTrackByGUID(0, track_str)
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else --default to first track
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raw_dst_track = reaper.GetTrack(0, 0)
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end
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if dst_track_offset <= 0 then
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-- no offset to respect, easy
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reaper.SetOnlyTrackSelected(raw_dst_track)
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else
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local trackno_dst_track = reaper.GetMediaTrackInfo_Value(raw_dst_track, "IP_TRACKNUMBER") + dst_track_offset
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-- Run trough all tracks, select the one with the matching tracknumber and return
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for i = 0, reaper.CountTracks(0)-1 do
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local nof_track = reaper.GetMediaTrackInfo_Value(reaper.GetTrack(0, i), "IP_TRACKNUMBER")
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if nof_track == trackno_dst_track then
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reaper.SetOnlyTrackSelected(reaper.GetTrack(0, i))
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return
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end
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end
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end
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-- In theory should never be reached, use raw track as fallback, probably something is wrong with the offset:
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reaper.SetOnlyTrackSelected(raw_dst_track)
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end
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-- START HERE vvvvvvvvvvvvvvvvvvvvvvvvvv
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-- check for SWS extensions
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if reaper.NamedCommandLookup('_SWS_ABOUT') > 0 then sws_present = true end
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-- run through all markers and get position of the 4 points
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local nof_markers = 0
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local nof_regions = 0
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_, nof_markers, nof_regions = reaper.CountProjectMarkers(0)
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nof_markers = nof_markers + nof_regions -- adapt count of 'CountProjectMarkers()' to 'EnumProjectMarkers()'
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for i = 0, nof_markers - 1 do
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local name = ''
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local pos = 0
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local id = 0
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local isregion = false
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_, isregion, pos, _, name, id = reaper.EnumProjectMarkers(i)
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if not isregion then
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if name == 'SRC-IN_4Pcut' then
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mark_srcin_pos = pos
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mark_srcin_id = id
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elseif name == 'SRC-OUT_4Pcut' then
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mark_srcout_pos = pos
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mark_srcout_id = id
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elseif name == 'DST-IN_4Pcut' then
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mark_dstin_pos = pos
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mark_dstin_id = id
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elseif name == 'DST-OUT_4Pcut' then
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mark_dstout_pos = pos
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mark_dstout_id = id
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end
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end
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end
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-- set edit mode depending on which markers are set (see comments next to definition of edit_mode)
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if mark_srcin_id >= 0 and mark_srcout_id >= 0 and mark_dstin_id >= 0 and mark_dstout_id < 0 then
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edit_mode = 1
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elseif mark_srcin_id >= 0 and mark_srcout_id >= 0 and mark_dstin_id < 0 and mark_dstout_id >= 0 then
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edit_mode = 2
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elseif mark_srcin_id >= 0 and mark_srcout_id < 0 and mark_dstin_id >= 0 and mark_dstout_id >= 0 then
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edit_mode = 3
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elseif mark_srcin_id < 0 and mark_srcout_id >= 0 and mark_dstin_id >= 0 and mark_dstout_id >= 0 then
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edit_mode = 4
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elseif mark_srcin_id >= 0 and mark_srcout_id >= 0 and mark_dstin_id >= 0 and mark_dstout_id >= 0 then
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edit_mode = 5
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end
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-- error messages
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if edit_mode <= 0 then
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msg('Please set at least 3 of the 4 markers first! Aborting.')
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return
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elseif (edit_mode == 1 or edit_mode == 2 or edit_mode == 5) and (mark_srcin_pos >= mark_srcout_pos) then
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msg('SRC-IN Marker must be set left of SRC-OUT marker! Aborting.')
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return
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elseif (edit_mode == 3 or edit_mode == 4 or edit_mode == 5) and (mark_dstin_pos >= mark_dstout_pos) then
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msg('DST-IN Marker must be set left of DST-OUT marker! Aborting.')
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return
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elseif not sws_present then
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msg('SWS extensions are not installed but needed! Aborting.')
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return
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end
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-- Do stuff before actual edits...
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reaper.Undo_BeginBlock()
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--store viewport off arranger
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stored_view_start, stored_view_end = reaper.GetSet_ArrangeView2(0, false, 0, 0)
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-- Store cursor position, time selection, selected tracks, selected items
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stored_cursorPos = reaper.GetCursorPosition()
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stored_timeSelStart, stored_timeSelEnd = reaper.GetSet_LoopTimeRange(false, true, 0, 1, false)
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for i = 0, reaper.CountSelectedTracks(0)-1 do
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stored_sel_tracks[i+1] = reaper.GetSelectedTrack(0, i)
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end
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for i = 0, reaper.CountSelectedMediaItems(0)-1 do
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stored_sel_items[i+1] = reaper.GetSelectedMediaItem(0, i)
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end
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-- unselect items and tracks, select source tracks
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reaper.Main_OnCommand(40289, 0) -- Unselect all items
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reaper.Main_OnCommand(40297, 0) -- Unselect all tracks
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select_src_tracks()
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-- Set Source Time selection according to edit mode
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if edit_mode == 1 then -- src-in, src-out and dst-in defined
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reaper.GetSet_LoopTimeRange(true, false, mark_srcin_pos, mark_srcout_pos, false)
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elseif edit_mode == 2 then -- src-in, src-out and dst-out defined
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reaper.GetSet_LoopTimeRange(true, false, mark_srcin_pos, mark_srcout_pos, false)
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mark_dstin_pos = mark_dstout_pos - (mark_srcout_pos - mark_srcin_pos) -- also set dst-in position, so we have a point to paste to
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mark_dstin_id = reaper.AddProjectMarker(0, false, mark_dstin_pos, 0, 'DST-IN_4Pcut', -1)
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elseif edit_mode == 3 then -- src-in, dst-in and dst-out defined
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reaper.GetSet_LoopTimeRange(true, false, mark_srcin_pos, mark_srcin_pos + (mark_dstout_pos - mark_dstin_pos), false)
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elseif edit_mode == 4 then -- src-out, dst-in and dst-out defined
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reaper.GetSet_LoopTimeRange(true, false, mark_srcout_pos - (mark_dstout_pos - mark_dstin_pos), mark_srcout_pos, false)
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elseif edit_mode == 5 then -- all 4 markers defined, get lenght of shortest region
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if (mark_srcout_pos - mark_srcin_pos) < (mark_dstout_pos - mark_dstin_pos) then
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reaper.GetSet_LoopTimeRange(true, false, mark_srcin_pos, mark_srcout_pos, false)
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else
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reaper.GetSet_LoopTimeRange(true, false, mark_srcin_pos, mark_srcin_pos + (mark_dstout_pos - mark_dstin_pos), false)
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end
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end
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-- Copy items
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reaper.Main_OnCommand(40718, 0) -- select items on selected tracks under time selection
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reaper.Main_OnCommand(40060, 0) -- copy selected items under time selection 41383
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-- Calculate track offset between first selected item and first dst-track
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calculate_track_offset()
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-- Move edit cursor to Dest-In and Paste
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reaper.GoToMarker(0, mark_dstin_id, false)
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select_dst_track_only()
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--reaper.Main_OnCommand(40058, 0) -- paste item
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reaper.Main_OnCommand( reaper.NamedCommandLookup('_SWS_AWPASTE'), 0 ) -- SWS Paste
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-- Remove content behind selected items (avoid overlapping). Only really needed if "Trim content behind media items when editing" is off.
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reaper.Main_OnCommand( 40930, 0 ) -- Remove content (trim) behind items
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-- Crossfade
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local selected_items_count = reaper.CountSelectedMediaItems(0)
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for i = 0, selected_items_count - 1 do -- select tracks with selected items...
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local item = reaper.GetSelectedMediaItem(0, i)
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local track = reaper.GetMediaItem_Track(item)
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reaper.SetTrackSelected(track, true)
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end
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reaper.Main_OnCommand( 40290, 0 ) -- set time selection to selected items
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reaper.Main_OnCommand( 40320, 0 ) -- nudge left edge of time selection left
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reaper.Main_OnCommand( 40323, 0 ) -- nudge right edge of time selection right
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reaper.Main_OnCommand( 40718, 0 ) -- select items on selected tracks and in time selection
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reaper.Main_OnCommand( reaper.NamedCommandLookup('_SWS_CROSSFADE'), 0 ) -- Crossfade adjacent selected items
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-- Move dstin marker according to edit mode
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if edit_mode == 1 then
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reaper.SetProjectMarker(mark_dstin_id, false, mark_dstin_pos + (mark_srcout_pos - mark_srcin_pos), 0, 'DST-IN_4Pcut')
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elseif edit_mode == 2 then
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reaper.SetProjectMarker(mark_dstout_id, false, mark_dstout_pos + (mark_srcout_pos - mark_srcin_pos), 0, 'DST-OUT_4Pcut')
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reaper.DeleteProjectMarker(0, mark_dstin_id, false) -- remove dst-in marker, this was set just for the pasting!
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elseif edit_mode == 3 or edit_mode == 4 then
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reaper.SetProjectMarker(mark_dstin_id, false, mark_dstin_pos + (mark_dstout_pos - mark_dstin_pos), 0, 'DST-IN_4Pcut')
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reaper.SetProjectMarker(mark_dstout_id, false, mark_dstout_pos + (mark_dstout_pos - mark_dstin_pos), 0, 'DST-OUT_4Pcut')
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elseif edit_mode == 5 then
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if (mark_srcout_pos - mark_srcin_pos) < (mark_dstout_pos - mark_dstin_pos) then
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reaper.SetProjectMarker(mark_dstin_id, false, mark_dstin_pos + (mark_srcout_pos - mark_srcin_pos), 0, 'DST-IN_4Pcut')
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reaper.SetProjectMarker(mark_dstout_id, false, mark_dstout_pos + (mark_srcout_pos - mark_srcin_pos), 0, 'DST-OUT_4Pcut')
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else
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reaper.SetProjectMarker(mark_dstin_id, false, mark_dstin_pos + (mark_dstout_pos - mark_dstin_pos), 0, 'DST-IN_4Pcut')
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reaper.SetProjectMarker(mark_dstout_id, false, mark_dstout_pos + (mark_dstout_pos - mark_dstin_pos), 0, 'DST-OUT_4Pcut')
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end
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end
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-- Restore cursor position, time selection, selected tracks, selected items
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reaper.MoveEditCursor(stored_cursorPos - reaper.GetCursorPosition(), false)
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reaper.Main_OnCommand(40297, 0) -- Unselect all tracks
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for _, track in ipairs(stored_sel_tracks) do
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reaper.SetTrackSelected(track, true)
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end
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reaper.Main_OnCommand(40289, 0) -- Unselect all items
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for _, item in ipairs(stored_sel_items) do
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reaper.SetMediaItemSelected(item, true)
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end
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reaper.GetSet_LoopTimeRange(true, true, stored_timeSelStart, stored_timeSelEnd, false)
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-- Restore view port of arranger
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reaper.GetSet_ArrangeView2(0, true, 0, 0, stored_view_start, stored_view_end)
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reaper.Undo_EndBlock('4 point cut: Execute', 4) -- 4 is a flag for actions concerning items
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