From 6a31596356f1c9b5baa3d14e0773da04f7b1d2a7 Mon Sep 17 00:00:00 2001
From: shogo4405 <shogo4405@gmail.com>
Date: Tue, 23 Apr 2024 02:19:21 +0900
Subject: [PATCH] Enable audio capture from separate sources on macOS.

---
 Sources/IO/IOAudioCaptureUnit.swift | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Sources/IO/IOAudioCaptureUnit.swift b/Sources/IO/IOAudioCaptureUnit.swift
index 7067db2b8..a445282dc 100644
--- a/Sources/IO/IOAudioCaptureUnit.swift
+++ b/Sources/IO/IOAudioCaptureUnit.swift
@@ -41,6 +41,9 @@ public final class IOAudioCaptureUnit: IOCaptureUnit {
         self.device = device
         input = try AVCaptureDeviceInput(device: device)
         output = AVCaptureAudioDataOutput()
+        if let input, let output {
+            connection = AVCaptureConnection(inputPorts: input.ports, output: output)
+        }
     }
 
     func setSampleBufferDelegate(_ audioUnit: IOAudioUnit?) {