AVOSUPPORT

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Example

====== Playback - Set FX Multiplier ======

^ by: | Sebastian Beutel |
^ published: | April 2020 |
^ description: | Set a playback's Fx Multiplier |
^ remarks: | see also [[macros:example:setplaybackfadeintime|]] |

{{tag> playback fx multiplier }}

==== functions ====
  * [[:macros:function:Handles.ClearSelection]]
  * [[:macros:function:ActionScript.SetProperty.double]]
  * [[:macros:function:Playbacks.Editor.EnsurePlaybackCueSelected]]
  * [[:macros:function:math.cast.todouble|]]

==== affected properties ====
  * [[:macros:property:Playbacks.Editor.SelectedPlayback]]
  * [[:macros:property:Handles.SourceHandle]]
  * [[:macros:property:Playbacks.Editor.Times.CueSpeedMultiplier]]

==== control structures ====
  * [[macros:control_structures|step condition]]
 
===== Code =====
<code xml SetPBFxMultiplier025.xml>
<?xml version="1.0" encoding="utf-8"?>
<avolites.macros>
  <macro id="Wiki.Macros.SpeedMultiplier.025" name="Speed Multiplier /4">
    <sequence>
      <step>Handles.ClearSelection()</step>
      <step>ActionScript.SetProperty("Playbacks.Editor.SelectedPlayback", null)</step>
		
      <step>Handles.SetSourceHandle("PlaybackWindow", 0)</step>
      <step condition="Playbacks.IsCueHandle(Handles.SourceHandle)">
        ActionScript.SetProperty("Playbacks.Editor.SelectedPlayback", Handles.SourceHandle)</step>
      <step>Playbacks.Editor.EnsurePlaybackCueSelected()</step>
      <step>ActionScript.SetProperty.Double("Playbacks.Editor.Times.CueSpeedMultiplier", Math.Cast.ToDouble(0.25))</step>
      
      <step>Handles.SetSourceHandle("PlaybackWindow", 1)</step>
      <step condition="Playbacks.IsCueHandle(Handles.SourceHandle)">
        ActionScript.SetProperty("Playbacks.Editor.SelectedPlayback", Handles.SourceHandle)</step>
      <step>Playbacks.Editor.EnsurePlaybackCueSelected()</step>
      <step>ActionScript.SetProperty.Double("Playbacks.Editor.Times.CueSpeedMultiplier", Math.Cast.ToDouble(0.25))</step>

      <step>Handles.ClearSelection()</step>
      <step>ActionScript.SetProperty("Playbacks.Editor.SelectedPlayback", null)</step>
    </sequence>
  </macro>
</avolites.macros>
</code>


===== Explanation =====

This explains the functional steps within the sequence. For all the other XML details please refer to [[:macros:formats_and_syntax#xml_format|Formats and syntax]]

  * The first and last two lines ''Handles.ClearSelection()'' and ''ActionScript.SetProperty("Playbacks.Editor.SelectedPlayback", null)'' make handle and playback selection empty so that no other handle/playback is affected by accident.
  * ''Handles.SetSourceHandle("PlaybackWindow", 0)'' selects a playback as source handle
  * ''<step condition="Playbacks.IsCueHandle(Handles.SourceHandle)">'': only if this is a cue playback handle (and not maybe a macro or group handle which would break the macro)...
  * ... ''ActionScript.SetProperty("Playbacks.Editor.SelectedPlayback", Handles.SourceHandle)'' derive the playback from the given handle (the playback holds the time, not the handle)
  * ''Playbacks.Editor.EnsurePlaybackCueSelected()'' is required for single-cue playbacks to make sure the cue itself is selected/in the editor
  * ''ActionScript.SetProperty.Double("Playbacks.Editor.Times.CueSpeedMultiplier", Math.Cast.ToDouble(0.25))'' finally sets the multiplier to the desired value which needs to be a double, hence the value is cast with ''Math.Cast.ToDouble(0.25)''.


===== How to use it =====

  * [[:macros:deploying|make this macro available]]
  * while it's well possible to create some macros to set some playbacks to a given multiplier, it does make more sense to integrate this into a bigger context like [[macros:example:createworkspaces|]] in order to setup a known show environment.

~~DISCUSSION~~