Release Select all items in track that have exactly the same video pr…

…ocessors as the selected item (unselect original item) v1.00 (#1366)

Items Properties/amagalma_Select all items in track that have exactly the same video processors as the selected item (unselect original item).lua

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+-- @description Select all items in track that have exactly the same video processors as the selected item (unselect original item)
+-- @author amagalma
+-- @version 1.00
+-- @donation https://www.paypal.me/amagalma
+-- @about Same action as the similarly named, but unselects the originally selected item
+
+
+local item_cnt = reaper.CountSelectedMediaItems( 0 )
+if item_cnt ~= 1 then
+  reaper.MB( "Please, choose just one item.", "Can't continue..", 0 )
+  return
+end
+
+
+local function GetVideoFX( item )
+  if not reaper.GetActiveTake( item ) then return 0, "" end
+  local _, chunk = reaper.GetItemStateChunk( item, "", false )
+  local video_fx, v = {}, 0
+  for code in chunk:gmatch("<VIDEO_EFFECT.-CODEPARM .->") do
+    v = v + 1
+    video_fx[v] = code
+  end
+  return v, table.concat(video_fx, "\n")
+end
+
+
+local item = reaper.GetSelectedMediaItem( 0, 0 )
+local fx_num, code = GetVideoFX( item )
+
+if fx_num == 0 or code == "" then
+  reaper.MB( "This item has no video processors.", "Can't continue..", 0 )
+  return
+end
+
+
+reaper.PreventUIRefresh( 1 )
+
+local track = reaper.GetMediaItemTrack( item )
+
+for i = 0, reaper.CountTrackMediaItems( track )-1 do
+  local tr_item = reaper.GetTrackMediaItem( track, i )
+  if tr_item ~= item then
+    local _, tr_code = GetVideoFX( tr_item )
+    reaper.SetMediaItemSelected( tr_item, tr_code == code )
+  end
+end
+
+reaper.SetMediaItemSelected( item, false )
+
+reaper.PreventUIRefresh( -1 )
+reaper.UpdateArrange()
+reaper.Undo_OnStateChange( "Select items with same video processors (unselect original)" )