From 0f43e8258d06c844ba1f5730eea84d3f8514bfd3 Mon Sep 17 00:00:00 2001
From: AdeHub <ade_headphones@yahoo.co.uk>
Date: Fri, 8 Aug 2025 17:28:21 +1200
Subject: [PATCH] Set macOS encoder multiprocessing method to 'fork'

default for macOS python3 is 'spawn' which is not working with the current code
---
 data/interfaces/default/config.html | 4 ++--
 headphones/music_encoder.py         | 9 +++++++++
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/data/interfaces/default/config.html b/data/interfaces/default/config.html
index 28320c04..e3055ecc 100644
--- a/data/interfaces/default/config.html
+++ b/data/interfaces/default/config.html
@@ -1115,7 +1115,7 @@
 
                             <fieldset>
                                 <div class="row checkbox left">
-                                    <input type="checkbox" class="bigcheck" name="osx_notify_enabled" id="osx_notify" value="1" ${config['osx_notify_enabled']} /><label for="osx_notify"><span class="option">MacOS</span></label>
+                                    <input type="checkbox" class="bigcheck" name="osx_notify_enabled" id="osx_notify" value="1" ${config['osx_notify_enabled']} /><label for="osx_notify"><span class="option">macOS</span></label>
                                 </div>
                                 <div id="osx_notify_options">
                                     <div class="row checkbox">
@@ -1401,7 +1401,7 @@
                                     libavselect = ''
                             %>
                             <div class="row">
-                                <label title="Name of encoder to use. Lame, FFmpeg and libav are available for most Linux distributions. On Ubuntu, libav replaces FFmpeg. xld is OS X-only.">
+                                <label title="Name of encoder to use. Lame, FFmpeg and libav are available for most Linux distributions. On Ubuntu, libav replaces FFmpeg. xld is macOS only.">
                                     Encoder
                                 </label>
                                 <select name="encoder" id="encoder">
diff --git a/headphones/music_encoder.py b/headphones/music_encoder.py
index fd970058..d111fc71 100644
--- a/headphones/music_encoder.py
+++ b/headphones/music_encoder.py
@@ -160,6 +160,15 @@ def encode(albumPath):
 
         # Use multicore if enabled
         if headphones.CONFIG.ENCODER_MULTICORE:
+
+            # Set macOS multiprocessing method
+            try:
+                if headphones.SYS_PLATFORM == "darwin":
+                    multiprocessing.set_start_method('fork')
+            except RuntimeError:
+                # Already set, ignore
+                pass
+
             if headphones.CONFIG.ENCODER_MULTICORE_COUNT == 0:
                 processes = multiprocessing.cpu_count()
             else: