Initial Commit

AudioLinkSysAudio/AudioLinkSysAudio.cs

@@ -0,0 +1,74 @@
+using UnityEngine;
+using UnityEngine.Audio;
+using System.Linq;
+#if UNITY_EDITOR
+using UnityEditor;
+#endif
+
+[RequireComponent(typeof(AudioSource))]
+public class SystemAudioCapture : MonoBehaviour
+{
+    private AudioSource audioSource;
+    [SerializeField] private string deviceName;
+    [SerializeField] private AudioMixerGroup audioMixerGroup; // Assign a muted mixer group
+    private int sampleRate = 48000;
+    private int bufferSize = 1024;
+
+    public AudioClip CapturedAudio => audioSource.clip;
+
+    void Start()
+    {
+        audioSource = GetComponent<AudioSource>();
+        audioSource.loop = true;
+        audioSource.mute = false; // Allow processing
+        audioSource.outputAudioMixerGroup = audioMixerGroup; // Route to a muted mixer group
+        StartCapture();
+    }
+
+    private void StartCapture()
+    {
+        if (string.IsNullOrEmpty(deviceName)) return;
+
+        if (Microphone.IsRecording(deviceName))
+            Microphone.End(deviceName);
+
+        audioSource.clip = Microphone.Start(deviceName, true, 10, sampleRate);
+        while (Microphone.GetPosition(deviceName) <= 0) { } // Wait for microphone to initialize
+        audioSource.Play(); // Ensure playback for Audio Link
+    }
+
+    public void RestartCapture()
+    {
+        if (Microphone.IsRecording(deviceName))
+            Microphone.End(deviceName);
+        StartCapture();
+    }
+
+#if UNITY_EDITOR
+    [CustomEditor(typeof(SystemAudioCapture))]
+    public class SystemAudioCaptureEditor : Editor
+    {
+        public override void OnInspectorGUI()
+        {
+            SystemAudioCapture script = (SystemAudioCapture)target;
+            var devices = Microphone.devices;
+            int selectedIndex = Mathf.Max(0, devices.ToList().IndexOf(script.deviceName));
+            selectedIndex = EditorGUILayout.Popup("Audio Device", selectedIndex, devices);
+            if (selectedIndex >= 0 && selectedIndex < devices.Length)
+            {
+                script.deviceName = devices[selectedIndex];
+            }
+            script.audioMixerGroup = (AudioMixerGroup)EditorGUILayout.ObjectField("Audio Mixer Group", script.audioMixerGroup, typeof(AudioMixerGroup), false);
+            if (GUILayout.Button("Restart Capture"))
+            {
+                script.RestartCapture();
+            }
+            if (GUI.changed)
+            {
+                EditorUtility.SetDirty(script);
+            }
+            DrawDefaultInspector();
+        }
+    }
+#endif
+}