add a way to get sample rate via AppleScript

vincentneo · Dec 6, 2023 · e8955f9 · e8955f9
1 parent 991f1e0
commit e8955f9
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Showing 5 changed files with 45 additions and 1 deletion.
diff --git a/Quality.xcodeproj/project.pbxproj b/Quality.xcodeproj/project.pbxproj
@@ -25,6 +25,8 @@
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 		12F1AA572868639A006C1AD8 /* DeviceMenuItem.swift in Sources */ = {isa = PBXBuildFile; fileRef = 12F1AA562868639A006C1AD8 /* DeviceMenuItem.swift */; };
+		BF0C90C82B20BFD6002F99C9 /* LosslessSwitcher.sdef in Resources */ = {isa = PBXBuildFile; fileRef = BF0C90C72B20BFD6002F99C9 /* LosslessSwitcher.sdef */; };
+		BF0C90CA2B20C163002F99C9 /* ScriptableApplicationCommand.swift in Sources */ = {isa = PBXBuildFile; fileRef = BF0C90C92B20C163002F99C9 /* ScriptableApplicationCommand.swift */; };
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@@ -47,6 +49,8 @@
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 		12F1AA562868639A006C1AD8 /* DeviceMenuItem.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DeviceMenuItem.swift; sourceTree = "<group>"; };
+		BF0C90C72B20BFD6002F99C9 /* LosslessSwitcher.sdef */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xml; path = LosslessSwitcher.sdef; sourceTree = "<group>"; };
+		BF0C90C92B20C163002F99C9 /* ScriptableApplicationCommand.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ScriptableApplicationCommand.swift; sourceTree = "<group>"; };
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@@ -110,6 +114,8 @@
 				127C972C281FCF000087313B /* AppVersion.swift */,
 				12F1AA562868639A006C1AD8 /* DeviceMenuItem.swift */,
 				BF7E0D08296336DA009FFEEC /* AudioStreamBasicDescription+Equatable.swift */,
+				BF0C90C92B20C163002F99C9 /* ScriptableApplicationCommand.swift */,
+				BF0C90C72B20BFD6002F99C9 /* LosslessSwitcher.sdef */,
 			);
 			path = Quality;
 			sourceTree = "<group>";
@@ -191,6 +197,7 @@
 			buildActionMask = 2147483647;
 			files = (
 				1272AA9F280DBB4B00FD72BA /* Preview Assets.xcassets in Resources */,
+				BF0C90C82B20BFD6002F99C9 /* LosslessSwitcher.sdef in Resources */,
 				1272AA9C280DBB4B00FD72BA /* Assets.xcassets in Resources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
@@ -203,6 +210,7 @@
 			buildActionMask = 2147483647;
 			files = (
 				12AFF5C12811AD40001CC6ED /* AppDelegate.swift in Sources */,
+				BF0C90CA2B20C163002F99C9 /* ScriptableApplicationCommand.swift in Sources */,
 				1254A79C2813FB9400241107 /* Defaults.swift in Sources */,
 				BF7E0D09296336DA009FFEEC /* AudioStreamBasicDescription+Equatable.swift in Sources */,
 				1234F50E281E8F07007EC9F5 /* MediaTrack.swift in Sources */,

diff --git a/Quality/AppDelegate.swift b/Quality/AppDelegate.swift
@@ -15,7 +15,7 @@ class AppDelegate: NSObject, NSApplicationDelegate {
 
     // https://stackoverflow.com/a/66160164
     static private(set) var instance: AppDelegate! = nil
-    private var outputDevices: OutputDevices!
+    var outputDevices: OutputDevices!
     private let defaults = Defaults.shared
     private var mrController: MediaRemoteController!
     private var devicesMenu: NSMenu!

diff --git a/Quality/Info.plist b/Quality/Info.plist
@@ -6,5 +6,9 @@
 	<true/>
 	<key>NSAppleEventsUsageDescription</key>
 	<string>This permission is required for local file sample rate detection.</string>
+	<key>NSAppleScriptEnabled</key>
+	<true/>
+	<key>OSAScriptingDefinition</key>
+	<string>LosslessSwitcher.sdef</string>
 </dict>
 </plist>
diff --git a/Quality/LosslessSwitcher.sdef b/Quality/LosslessSwitcher.sdef
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE dictionary SYSTEM "file://localhost/System/Library/DTDs/sdef.dtd">
+<dictionary title="LosslessSwitcher Terminology">
+    <suite name="LS Suite" code="sdse" description="Standard commands for this application">
+        <command name="get latest sample rate" code="getlrate" description="returns the last known sample rate">
+            <cocoa class="LosslessSwitcher.ScriptableApplicationCommand"/>
+            <result type="integer" description="sample rate"/>
+        </command>
+    </suite>
+</dictionary>
diff --git a/Quality/ScriptableApplicationCommand.swift b/Quality/ScriptableApplicationCommand.swift
@@ -0,0 +1,22 @@
+//
+//  ScriptableApplicationCommand.swift
+//  LosslessSwitcher
+//
+//  Created by Vincent Neo on 6/12/23.
+//
+
+import Cocoa
+
+class ScriptableApplicationCommand: NSScriptCommand {
+
+    override func performDefaultImplementation() -> Any? {
+        guard let delegate = AppDelegate.instance else {
+            return -1000
+        }
+        let od = delegate.outputDevices
+        guard let sampleRate = od?.currentSampleRate else {
+            return -1
+        }
+        return Int(sampleRate * 1000)
+    }
+}