appgain, appmute

- missing closing parenthesis in AppMute value string
- AppGain, AppMute overloads for index

prelim manual tests for potato pass

CHANGELOG.md

@@ -61,6 +61,7 @@ Recorder.FileType changed from method to write-only property
 - Cast Recorder getters to types for consistency
 - Floats getters/setters now default to two decimal places.
 - Strip.Mono is now an alias for Strip.MC on virtual strips
+- Strip.AppMute|AppGain can now take an app index; see README for details
 
 ### Fixed
 
@@ -73,6 +74,7 @@ Recorder.FileType changed from method to write-only property
 - vban.stream.sr: $this._port -> $this._sr
 - Recorder.channel values: 1..8 -> (2, 4, 6, 8)
 - Strip.Limit type [int] -> [float]
+- Missing closing parenthesis in AppMute value string
 
 ## [3.3.0] - 2024-06-29
 

README.md

@@ -205,14 +205,16 @@ $vmr.strip[3].denoiser.knob = 5
 
 #### AppGain | AppMute
 
-- `AppGain(amount, gain)` : string, float
+- AppGain($appname or $appindex, $gain) : string or int, float, from 0.00 to 1.00
-- `AppMute(amount, mutestate)` : string, bool
+- AppMute($appname or $appindex, $mutestate) : string or int, bool
 
 for example:
 
 ```powershell
 $vmr.strip[5].AppGain("Spotify", 0.5)
 $vmr.strip[5].AppMute("Spotify", $true)
+$vmr.strip[7].AppGain(0, 0.28)
+$vmr.strip[6].AppMute(2, $false)
 ```
 
 #### levels

lib/strip.ps1

@@ -182,8 +182,16 @@ class VirtualStrip : Strip {
         $this.Setter('AppGain', "(`"$appname`", $gain)")
     }
 
+    [void] AppGain ([int]$appindex, [single]$gain) {
+        $this.Setter("App[$appindex].Gain", $gain)
+    }
+
     [void] AppMute ([string]$appname, [bool]$mutestate) {
-        $this.Setter('AppMute', "(`"$appname`", $(if ($mutestate) { 1 } else { 0 })")
+        $this.Setter('AppMute', "(`"$appname`", $(if ($mutestate) { 1 } else { 0 }))")
+    }
+
+    [void] AppMute ([int]$appindex, [bool]$mutestate) {
+        $this.Setter("App[$appindex].Mute", $mutestate)
     }
 }