BetterDisplay support

.swiftlint.yml

@@ -1,4 +1,4 @@
-whitelist_rules:
+only_rules:
     - attributes
     - block_based_kvo
     - class_delegate_protocol

MultiSoundChanger.xcodeproj/project.pbxproj

@@ -29,6 +29,7 @@
 		F3925975262F2B8000B7AD62 /* ApplicationController.swift in Sources */ = {isa = PBXBuildFile; fileRef = F3925974262F2B8000B7AD62 /* ApplicationController.swift */; };
 		F3925979262F2F9F00B7AD62 /* Logger.swift in Sources */ = {isa = PBXBuildFile; fileRef = F3925978262F2F9F00B7AD62 /* Logger.swift */; };
 		F392597C2631ACE700B7AD62 /* Runner.swift in Sources */ = {isa = PBXBuildFile; fileRef = F392597B2631ACE700B7AD62 /* Runner.swift */; };
+		F7E845072CF9F96D0001647F /* BetterDisplay.swift in Sources */ = {isa = PBXBuildFile; fileRef = F7E845062CF9F96D0001647F /* BetterDisplay.swift */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
@@ -58,6 +59,7 @@
 		F3925974262F2B8000B7AD62 /* ApplicationController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ApplicationController.swift; sourceTree = "<group>"; };
 		F3925978262F2F9F00B7AD62 /* Logger.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Logger.swift; sourceTree = "<group>"; };
 		F392597B2631ACE700B7AD62 /* Runner.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Runner.swift; sourceTree = "<group>"; };
+		F7E845062CF9F96D0001647F /* BetterDisplay.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BetterDisplay.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -224,6 +226,7 @@
 			children = (
 				F3925978262F2F9F00B7AD62 /* Logger.swift */,
 				F392597B2631ACE700B7AD62 /* Runner.swift */,
+				F7E845062CF9F96D0001647F /* BetterDisplay.swift */,
 			);
 			path = Utils;
 			sourceTree = "<group>";
@@ -381,6 +384,7 @@
 				F373D8B52561D1A600642274 /* MediaManager.swift in Sources */,
 				F373D8B42561D1A600642274 /* AudioManager.swift in Sources */,
 				F373D8B32561D1A600642274 /* StatusBarController.swift in Sources */,
+				F7E845072CF9F96D0001647F /* BetterDisplay.swift in Sources */,
 				4743EFAB1E91493B0032F5AA /* AppDelegate.swift in Sources */,
 				F373D8BF2561D22000642274 /* VolumeViewController.swift in Sources */,
 				F3925979262F2F9F00B7AD62 /* Logger.swift in Sources */,

MultiSoundChanger/Other/Constants.swift

@@ -51,5 +51,13 @@ enum Constants {
         static func selectedDeviceVolume(volume: String) -> String {
             return "Selected device volume: \(volume)"
         }
+
+        static func deviceDoesNotSupportVolume(deviceName: String) -> String {
+            return "The device \(deviceName) does not support volume control"
+        }
+
+        static func deviceDoesNotSupportMute(deviceName: String) -> String {
+            return "The device \(deviceName) does not support mute control"
+        }
     }
 }

MultiSoundChanger/Sources/Frameworks/Audio.swift

@@ -74,6 +74,29 @@ final class AudioImpl: Audio {
         return deviceType == kAudioDeviceTransportTypeAggregate
     }
 
+    func isAudioDevicePossibleDisplay(deviceID: AudioDeviceID) -> Bool {
+        var propertyAddress = AudioObjectPropertyAddress(
+            mSelector: kAudioDevicePropertyTransportType,
+            mScope: kAudioObjectPropertyScopeGlobal,
+            mElement: kAudioObjectPropertyElementMaster
+        )
+
+        var transportType: UInt32 = 0
+        var size = UInt32(MemoryLayout<UInt32>.size)
+        let status = AudioObjectGetPropertyData(deviceID, &propertyAddress, 0, nil, &size, &transportType)
+
+        if status == noErr {
+            switch transportType {
+            case kAudioDeviceTransportTypeHDMI, kAudioDeviceTransportTypeDisplayPort:
+                return true
+            default:
+                return false
+            }
+        } else {
+            return false
+        }
+    }
+
     func isDeviceMuted(deviceID: AudioDeviceID) -> Bool {
         var mutedValue: UInt32 = 0
         var propertySize = UInt32(MemoryLayout<UInt32>.size)
@@ -118,13 +141,26 @@ final class AudioImpl: Audio {
         var size = UInt32(0)
 
         AudioObjectGetPropertyDataSize(deviceID, &masterLevelPropertyAddress, 0, nil, &size)
-        AudioObjectSetPropertyData(deviceID, &masterLevelPropertyAddress, 0, nil, size, &masterLevel)
+        let statusMaster = AudioObjectSetPropertyData(deviceID, &masterLevelPropertyAddress, 0, nil, size, &masterLevel)
 
         AudioObjectGetPropertyDataSize(deviceID, &leftLevelPropertyAddress, 0, nil, &size)
-        AudioObjectSetPropertyData(deviceID, &leftLevelPropertyAddress, 0, nil, size, &leftLevel)
+        let statusLeft = AudioObjectSetPropertyData(deviceID, &leftLevelPropertyAddress, 0, nil, size, &leftLevel)
 
         AudioObjectGetPropertyDataSize(deviceID, &rightLevelPropertyAddress, 0, nil, &size)
-        AudioObjectSetPropertyData(deviceID, &rightLevelPropertyAddress, 0, nil, size, &rigthLevel)
+        let statusRight = AudioObjectSetPropertyData(deviceID, &rightLevelPropertyAddress, 0, nil, size, &rigthLevel)
+
+        if statusMaster != noErr && statusLeft != noErr && statusRight != noErr {
+            let isVolumeSupported = (AudioObjectHasProperty(deviceID, &masterLevelPropertyAddress) ||
+                                     AudioObjectHasProperty(deviceID, &leftLevelPropertyAddress) ||
+                                     AudioObjectHasProperty(deviceID, &rightLevelPropertyAddress))
+            if !isVolumeSupported {
+                if isAudioDevicePossibleDisplay(deviceID: deviceID) {
+                    BetterDisplay.setVolume(masterLevel, deviceName: getDeviceName(deviceID: deviceID))
+                } else {
+                    Logger.debug(Constants.InnerMessages.deviceDoesNotSupportVolume(deviceName: getDeviceName(deviceID: deviceID)))
+                }
+            }
+        }
     }
 
     func setDeviceMute(deviceID: AudioDeviceID, isMute: Bool) {
@@ -136,7 +172,18 @@ final class AudioImpl: Audio {
             mScope: AudioObjectPropertyScope(kAudioDevicePropertyScopeOutput),
             mElement: AudioObjectPropertyElement(kAudioObjectPropertyElementMaster))
 
-        AudioObjectSetPropertyData(deviceID, &propertyAddress, 0, nil, propertySize, &mutedValue)
+        let status = AudioObjectSetPropertyData(deviceID, &propertyAddress, 0, nil, propertySize, &mutedValue)
+
+        if status != noErr {
+            let isMuteSupported = (AudioObjectHasProperty(deviceID, &propertyAddress))
+            if !isMuteSupported {
+                if isAudioDevicePossibleDisplay(deviceID: deviceID) {
+                    BetterDisplay.mute(isMute, deviceName: getDeviceName(deviceID: deviceID))
+                } else {
+                    Logger.debug(Constants.InnerMessages.deviceDoesNotSupportMute(deviceName: getDeviceName(deviceID: deviceID)))
+                }
+            }
+        }
     }
 
     func setOutputDevice(newDeviceID: AudioDeviceID) {

MultiSoundChanger/Sources/Utils/BetterDisplay.swift

@@ -0,0 +1,43 @@
+//
+//  BetterDisplay.swift
+//  MultiSoundChanger
+//
+//  Created by aone on 29.11.24.
+//  Copyright © 2021 Dmitry Medyuho. All rights reserved.
+//
+
+import AppKit
+
+enum BetterDisplay {
+    private static let executablePath = "/Applications/BetterDisplay.app/Contents/MacOS/BetterDisplay"
+    private static let requestNotificationName = NSNotification.Name("com.betterdisplay.BetterDisplay.request")
+
+    private struct IntegrationNotificationRequestData: Codable {
+        var uuid: String?
+        var commands: [String] = []
+        var parameters: [String: String?] = [:]
+    }
+
+    private static let isInstalled: Bool = FileManager.default.fileExists(atPath: executablePath)
+
+    private static func set(_ parameter: String, value: String, deviceName: String) {
+        if !isInstalled {
+            return
+        }
+        let data = IntegrationNotificationRequestData(uuid: UUID().uuidString, commands: ["n", "set"], parameters: [deviceName: "", parameter: value])
+        do {
+            let encodedData = try JSONEncoder().encode(data)
+            if let encodedDataString = String(data: encodedData, encoding: .utf8) {
+                DistributedNotificationCenter.default().postNotificationName(requestNotificationName, object: encodedDataString, userInfo: nil, deliverImmediately: true)
+            }
+        } catch {}
+    }
+
+    static func setVolume(_ volume: Float, deviceName: String) {
+        set("volume", value: String(volume), deviceName: deviceName)
+    }
+
+    static func mute(_ mute: Bool, deviceName: String) {
+        set("mute", value: mute ? "on" : "off", deviceName: deviceName)
+    }
+}