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Dynamic Values for audio bus control
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Chris Daum  
#1 Posted : Friday, June 4, 2021 5:22:14 AM(UTC)
Chris Daum

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Hi Champs,

once again Lumberjack scripting is in charge... :-)

I understood (thanks to one of doggy´s great examples)
I can define several values in a dynamic value,
save it and use it during my vmix project.

I´m regularely working with several Callers and have scripted
a "Talk Back", "Hold" and "Show" preset for each incoming call.

The idea is for the talk back preset to set "AudioBusOff" on busses d&e&f&g
for these are my active sending busses via Dante and I do not want to send
an audio feed to the sound desk while maybe another (in program) call is using
one of those busses.

And for this defining one dynamic value for further use to all other calls

Code:
API.Function("SetDynamicValue1",Value:="{m}&{a}")

dim xml as string = API.XML()
dim x as new system.xml.xmldocument
x.loadxml(xml)
dim MyValues as string = (x.SelectSingleNode("//dynamic/value1").InnerText)

dim MyVals() as string = MyValues.Split(",")

For i As Integer = 0 To MyVals.Length - 1
api.function("AudioBusOff", input:= 1, value:= "MyVals(i)")
Next

This does only affect bus m (the "{}" use was just another try on search for the correct syntax...)
any hint to the correct syntax for controlling multiple audio busses via one dynamic value?
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doggy  
#2 Posted : Friday, June 4, 2021 4:19:13 PM(UTC)
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Throwing something at the wall and see what sticks in not the way ;-)

spot the difference



Code:
API.Function("SetDynamicValue1",Value:="value1,value2,value3,value4")

dim xml as string = API.XML()
dim x as new system.xml.xmldocument
x.loadxml(xml)

dim MyValues as string = (x.SelectSingleNode("//dynamic/value1").InnerText)

dim MyVals() as string = MyValues.Split(",")

For i As Integer = 0 To MyVals.Length - 1
Console.WriteLine(MyVals(i))
Next


Code:
API.Function("SetDynamicValue1",Value:="value1,value2,value3,value4")

dim xml as string = API.XML()
dim x as new system.xml.xmldocument
x.loadxml(xml)

dim MyValues as string = (x.SelectSingleNode("//dynamic/value1").InnerText)

Console.WriteLine(MyValues)



usefull post

https://forums.vmix.com/...udio-busses-but-not-MAIN
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Chris Daum  
#3 Posted : Friday, June 4, 2021 9:07:51 PM(UTC)
Chris Daum

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Hi doggy,

thanks for your reply
may look a bit like thrown to the wall :-), wasn´t the plan
and I guess I understand what it does
Made a little clean up and chopped it into pieces
Code:
API.Function("SetDynamicValue1",Value:="d,e,f,g")

feeds the dynamic value with "content" (more or less define a variable)

Code:
dim xml as string = API.XML()
dim x as new system.xml.xmldocument
x.loadxml(xml)
dim MyValues as string = (x.SelectSingleNode("//dynamic/value1").InnerText)

reads out the "content" of dynamic value 1 to variable "MyValues" from xml api

Code:
dim MyVals() as string = MyValues.Split(",")

splits the content to a variable array MyVals()
resulting in (schematic)
MyVals(0) = d
MyVals(1) = e
MyVals(2) = f
MyVals(3) = g

Code:
For i As Integer = 0 To MyVals.Length - 1

as there are four "variables" (d,e,f,g) defined this defines the variable array to "MyVals(3)" (see above)

______________________________________________________________________________________________
so, now what it should but doesn´t do
Code:
 
api.function("AudioBusOff", input:= 1, value:= "MyVals(i)")
Next

that is, switch audio busses d&e&f&g off for Input 1
But as far as I read there seems to be no way for switching more than one bus per input in one stroke.
Cause the idea is to use "MyVals(i)" on the other call inputs as well
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Chris Daum  
#4 Posted : Saturday, June 5, 2021 12:03:34 AM(UTC)
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guess my "imagination" of what a dynamic value does went the wrong way...
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doggy  
#5 Posted : Saturday, June 5, 2021 1:26:56 AM(UTC)
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Originally Posted by: Chris Daum Go to Quoted Post
guess my "imagination" of what a dynamic value does went the wrong way...


Nothing wrong with your imagination as long as you write the function correctly ;-)

yours not working
Code:
api.function("AudioBusOff", input:= 1, value:= "MyVals(i)")


Mine working
Code:
api.function("AudioBusOff", Input:= "1", value:= MyVals(i))
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thanks 1 user thanked doggy for this useful post.
Chris Daum on 6/5/2021(UTC)
Chris Daum  
#6 Posted : Saturday, June 5, 2021 2:49:34 AM(UTC)
Chris Daum

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doggy, what can I say?? I am stunned. I never before saw the input number as digit in "" in an api command ...
but...

here the complete script yet without Headset definitions.
One might say it looks damn complicated, but I love it!

and... until now I never saw a faster, easier way to fill a variable array in VB.net
although I have to admit I am not very far in my studies
Is there any limit in the number of values you can safe as dynamic value?

Code:
'1 Definition Variablen
Dim xml as string = API.XML()
Dim x as new system.xml.xmldocument
Dim C1Key as String = ""
Dim SendBusses as String = ""

'7 Definition Dyn Value ("Sendebusse")
api.function("SetDynamicValue1", Value:="d,e,f,g")

'10 Laden XML
x.load("http://127.0.0.1:8088/api")

'13 Auslesen Input Key Call 1& "Sendebusse"
C1Key = (x.SelectSingleNode("//input[1]/@key").InnerText)
SendBusses = (x.SelectSingleNode("//dynamic/value1").InnerText)

'17 Erstellen Variablen Array
Dim SdBs() as String = SendBusses.Split(",")

'20 Audio Bus Set Up Talk Back Call 1
api.function("SoloOn", Input:= C1Key)
api.function("AudioOn", Input:= C1Key)
for i as Integer = 0 to 3
api.function("AudioBusOff", input:= C1Key, Value:= SdBs(i))
next
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matkeane  
#7 Posted : Sunday, June 6, 2021 9:46:53 PM(UTC)
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Just wanted to say that this is a really useful post by the two of you. I'm definitely going to try and replace my 48+ shortcuts that manage talkback busses for 8 calls with this !
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Chris Daum  
#8 Posted : Sunday, June 6, 2021 10:42:31 PM(UTC)
Chris Daum

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thanks, and as mentioned I haven’t found a better
and faster way in VB.net to create a variable array

I am working in command lists and a lot of other
stuff where arrays can be extremely useful!!
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