Create manup_Select items with crossfades.lua

Items/manup_Select items with crossfades.lua

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+-- @description Select all items with crossfades
+-- @author smandrap
+-- @version 0.1
+-- @about
+-- Select all crossfaded items in project.
+-- Will likely not work properly with fixed item lanes.
+
+local reaper = reaper
+
+local script_name = "manup_Select all items with crossfades"
+
+local overlapping_items = {}
+local crossfade_items = {}
+
+local function GetOverlappingItems()
+  local tr_cnt = reaper.CountTracks(0)
+  if tr_cnt == 0 then return end
+
+  for i = 0, tr_cnt - 1 do
+    local track = reaper.GetTrack(0, i)
+    local item_cnt = reaper.CountTrackMediaItems(track)
+
+
+    for j = 0, item_cnt do
+      local next_item = reaper.GetTrackMediaItem(track, j + 1)
+      if not next_item then break end
+
+      local item = reaper.GetTrackMediaItem(track, j)
+
+
+      local item_end = reaper.GetMediaItemInfo_Value(item, 'D_POSITION') + reaper.GetMediaItemInfo_Value(item, 'D_LENGTH')
+      local next_item_start = reaper.GetMediaItemInfo_Value(next_item, 'D_POSITION')
+
+      if item_end > next_item_start then
+        table.insert(overlapping_items, {item, next_item})
+      end
+    end
+  end
+end
+
+local function CheckCrossfade(first_item, second_item)
+
+  local fadeout =  reaper.GetMediaItemInfo_Value(first_item, 'D_FADEOUTLEN')
+  if fadeout == 0 then return false end
+
+  local fadein = reaper.GetMediaItemInfo_Value(second_item, 'D_FADEINLEN')
+  if fadein == 0 then return false end
+
+  return true
+end
+
+
+local function main()
+  GetOverlappingItems()
+
+  for _, items in pairs(overlapping_items) do
+    if CheckCrossfade(items[1], items[2]) then 
+      table.insert(crossfade_items, items[1])
+      table.insert(crossfade_items, items[2])
+    end
+  end
+
+  for _, item in pairs(crossfade_items) do
+    reaper.SetMediaItemSelected(item, true)
+  end
+end
+
+
+reaper.Undo_BeginBlock()
+main()
+reaper.UpdateArrange()
+reaper.Undo_EndBlock(script_name, 0)