From ca0e86350215f2b4fb18bdf9f10ef1e7e18269cc Mon Sep 17 00:00:00 2001
From: Jules Fouchy <jules.fouchy@ntymail.com>
Date: Sat, 12 Aug 2023 22:31:23 +0200
Subject: [PATCH] =?UTF-8?q?=F0=9F=90=9B=20Handle=20errors=20on=20MacOS?=
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---
 src/webcam_info.mm | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/webcam_info.mm b/src/webcam_info.mm
index 2d37549..a0eabe1 100644
--- a/src/webcam_info.mm
+++ b/src/webcam_info.mm
@@ -17,11 +17,15 @@ auto grab_all_webcams_infos_impl() -> std::vector<Info> {
             mediaType:AVMediaTypeVideo
             position:AVCaptureDevicePositionUnspecified];
 
+    if (!discoverySession) {
+        return list_webcams_infos;
+    }
+
     NSArray *devices = discoverySession.devices;
 
     for (AVCaptureDevice *device in devices) {
         @autoreleasepool {
-            std::string deviceName = [device.localizedName UTF8String];
+            std::string deviceName = [[device localizedName] UTF8String];
             std::vector<webcam_info::Resolution> list_resolution{};
 
             for (AVCaptureDeviceFormat *format in device.formats) {