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CountDown Timer

Attention: this timer works only from vMix version 27. Must have something to do with the NET version somehow.
There are countless ways to implement a countdown timer in vMix. But if you want a timer that changes color at certain times, displays an end text or counts up the overtime at 0, then here is a solution suggestion. Apart from vMix, nothing else is needed. In the end, the solution consists of 2 keyboard shortcuts and a script. The script generates its own timer. The variables in the script can be adjusted relatively easily. Since the script starts counting down immediately after starting, it needs another keyboard shortcut that resets the initial display. If you change the countdown time, you have to change the script. In the following I try to describe this process.

  • 1. Create a keyboard shortcut, e.g. with the letter “R” (for reset), to stop the script Countdown (just in case it is still running) Set the Local Script checkbox to true.

  • 2. Create an second keyboard shortcut, with the same letter as in point 1 (“R”), to which you assign the Setcolor function, as described in the picture below. This serves to reset the background, if it still shows the color for overtime, to black. Set the Local Script checkbox to true.

  • 3. In the third shortcut, again with the same letter as the previous two shortcuts (“R”), this shortcut sets the text display to the start time of the countdown. e.g. 1 minute, as shown in the sample image below. The display gets the value from Dynamic Value1, this is a local variable of vMix. The value is set in the script when the countdown has been started once. So if you change the time in the script, it will be automatically set to the new value on shortcut reset.

  • 4. Create a fourth shortcut, e.g. with the letter “S” (for start) , assign the function ScriptStart to the shortcut, as shown in the picture below. Pay attention to correct upper-lower case Set the Local Script checkbox to true.

At the end it should look in your shortcut list, like in the picture below, together with possibly already existing shortcuts! Set the Local Script checkbox to true.

Then go to the Settings of vMix to the Scripting section. There you create a new script with Add and name it Countdown. Pay attention to correct upper-lower case. Set the Local Script checkbox to true. In the Script Text zone copy the following code and confirm with Save. (see picture and code below)

Adjust the variables described in the code, such as total time, warning times, their colors or the end text. Also you can use the variable overtimestop to influence whether the timer stops at the end with a message or the countdown starts counting up the overtime.
Lines with a ' sign at the beginning, are comments

'Please change only the title name and the text field in the quotes. 
'Upper or lower case is effective!!

'GT Tile name
'Write the title name exactly as you read it above the input window
Dim Title as string = "countdown.gtzip"

'Write the text field name exactly as you see it when you right-click in the title's input window
Dim  Textfield as string = "time.Text"

'Please change only the numbers or the colors in the quotes!
'Timer length in minutes and seconds
Dim timerLengthMinutes As Integer = 20
Dim timerLengthSeconds As Integer = 30

'Warning time 1 in minutes and seconds
Dim warnTime1Minutes As Integer = 0
Dim warnTime1Seconds As Integer = 45

'Warning time 2 in minutes and seconds
Dim warnTime2Minutes As Integer = 0
Dim warnTime2Seconds As Integer = 10

Dim startColor As String = "white"
Dim warnColor1 As String = "yellow"
Dim warnColor2 As String = "red"

'does the timer stop at finishing time or does the timer continue to count up overtime
'set the value to true, if you want to show the endtext and stop the clock and script
'set the value to false, if you want the counter to start counting up the timer
'Please change only the value to true or false!
dim overtimestop as boolean = false

'Text when the timer has expired at the end
Dim endText As String = "Time is over"

'----------------please do not make any changes from here on---------------------- 
'----------------unless you know what you are doing-------------------------------

Dim startTime As DateTime = DateTime.Now
Dim endTime As DateTime = startTime.AddMinutes(timerLengthMinutes).AddSeconds(timerLengthSeconds)
Dim warnTime1 As DateTime = endTime.AddMinutes(-warnTime1Minutes).AddSeconds(-warnTime1Seconds)
Dim warnTime2 As DateTime = endTime.AddMinutes(-warnTime2Minutes).AddSeconds(-warnTime2Seconds)

Dim currentTime As DateTime
API.Function("SetColor",Input:= title ,SelectedName:= "background.Fill.Color",Value:="#FF0000")

'put countdowntime in a dynamic value for resetting the timer
API.Function("SetDynamicValue1", Value:=  timerLengthMinutes.tostring("00") + ":" + timerLengthSeconds.tostring("00"))  

 currentTime = DateTime.Now

If currentTime >= endTime Then
'Startcolor and endtext
      if overtimestop = true then
         API.Function("SetText",Input:=Title,SelectedName:=Textfield, Value:= endText )
         API.Function("SetTextColour",Input:=Title,SelectedName:= Textfield, Value:= startcolor)
         Exit Do
      else if overtimestop = false then
         API.Function("SetColor",Input:= title ,SelectedName:= "background.Fill.Color",Value:="#FF0000")
         API.Function("SetText",Input:=Title,SelectedName:=Textfield, Value:= endText )
         API.Function("SetTextColour",Input:=Title,SelectedName:= Textfield, Value:= startcolor)
      end if
  ElseIf currentTime >= warnTime2 Then
    'warning color 2
    API.Function("SetTextColour",Input:=Title,SelectedName:= Textfield, Value:= warnColor2)
  ElseIf currentTime >= warnTime1 Then
    'warning color 1
    API.Function("SetTextColour",Input:=Title,SelectedName:= Textfield, Value:= warnColor1)
    API.Function("SetTextColour",Input:=Title,SelectedName:= Textfield, Value:= startcolor)  
    API.Function("SetColor",Input:= title ,SelectedName:= "background.Fill.Color",Value:="#000000")
End If

Dim timeLeft As TimeSpan = endTime - currentTime
'option timedisplay in console

'time display in vMix
if  timeLeft.Tostring("hh") > "00" then
Console.WriteLine("Remaining Time: " & timeLeft.ToString("hh\:mm\:ss"))
API.Function("SetText",Input:= Title ,SelectedName:= Textfield ,Value:= timeLeft.ToString("hh\:mm\:ss"))
Console.WriteLine("Remaining Time: " & timeLeft.ToString("mm\:ss"))
API.Function("SetText",Input:= Title ,SelectedName:= Textfield ,Value:= timeLeft.ToString("mm\:ss"))
end if

'waits 200 miliseconds
Loop While True

Finally, load the title into your vMix as used in the example. You can download the title here. I have also provided the whole thing as a bundle for download or the preset alone, which already contains the shortcuts and the script.
Loading with the Bundle option includes everything and also loads scripts and shortcuts.
download Title, Preset or Bundle

DynamicValue also makes it easy to adjust the countdown times. With a streamdeck pad you could enter different times in Dynamicvalue and the script could then take the coutdown time from there.

countdown_timer_in_vmix.txt · Last modified: 2023/10/27 08:48 by peteraellig

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