diff --git a/core/config/project_settings.cpp b/core/config/project_settings.cpp
index b170fd7d0..cc93dd540 100644
--- a/core/config/project_settings.cpp
+++ b/core/config/project_settings.cpp
@@ -1068,6 +1068,10 @@ ProjectSettings::ProjectSettings() {
GLOBAL_DEF_RST("audio/3d_panning_strength", 1.0f);
custom_prop_info["audio/3d_panning_strength"] = PropertyInfo(Variant::REAL, "audio/3d_panning_strength", PROPERTY_HINT_RANGE, "0,4,0.01");
+ GLOBAL_DEF("audio/general/ios/session_category", 0);
+ ProjectSettings::get_singleton()->set_custom_property_info("audio/general/ios/session_category", PropertyInfo(Variant::INT, "audio/general/ios/session_category", PROPERTY_HINT_ENUM, "Ambient,Multi Route,Play and Record,Playback,Record,Solo Ambient"));
+ GLOBAL_DEF("audio/general/ios/mix_with_others", false);
+
PoolStringArray extensions = PoolStringArray();
extensions.push_back("gd");
extensions.push_back("gdshader");
diff --git a/doc/classes/ProjectSettings.xml b/doc/classes/ProjectSettings.xml
index 1b98378ae..03d08d358 100644
--- a/doc/classes/ProjectSettings.xml
+++ b/doc/classes/ProjectSettings.xml
@@ -296,6 +296,13 @@
If [code]true[/code], microphone input will be allowed. This requires appropriate permissions to be set when exporting to Android or iOS.
[b]Note:[/b] If the operating system blocks access to audio input devices (due to the user's privacy settings), audio capture will only return silence. On Windows 10 and later, make sure that apps are allowed to access the microphone in the OS' privacy settings.
+
+ Sets the [url=https://developer.apple.com/documentation/avfaudio/avaudiosession/categoryoptions/1616611-mixwithothers]mixWithOthers[/url] option for the AVAudioSession on iOS. This will override the mix behavior, if the category is set to [code]Play and Record[/code], [code]Playback[/code], or [code]Multi Route[/code].
+ [code]Ambient[/code] always has this set per default.
+
+
+ Sets the [url=https://developer.apple.com/documentation/avfaudio/avaudiosessioncategory]AVAudioSessionCategory[/url] on iOS. Use the [code]Playback[/code] category to get sound output, even if the phone is in silent mode.
+
The mixing rate used for audio (in Hz). In general, it's better to not touch this and leave it to the host operating system.
diff --git a/platform/iphone/app_delegate.mm b/platform/iphone/app_delegate.mm
index b24786ffc..3c1a77f26 100644
--- a/platform/iphone/app_delegate.mm
+++ b/platform/iphone/app_delegate.mm
@@ -50,6 +50,15 @@ extern void iphone_finish();
@implementation AppDelegate
+enum {
+ SESSION_CATEGORY_AMBIENT,
+ SESSION_CATEGORY_MULTI_ROUTE,
+ SESSION_CATEGORY_PLAY_AND_RECORD,
+ SESSION_CATEGORY_PLAYBACK,
+ SESSION_CATEGORY_RECORD,
+ SESSION_CATEGORY_SOLO_AMBIENT,
+};
+
static ViewController *mainViewController = nil;
+ (ViewController *)viewController {
@@ -96,8 +105,28 @@ static ViewController *mainViewController = nil;
mainViewController = viewController;
- // prevent to stop music in another background app
- [[AVAudioSession sharedInstance] setCategory:AVAudioSessionCategoryAmbient error:nil];
+ int sessionCategorySetting = GLOBAL_GET("audio/general/ios/session_category");
+
+ // Initialize with default Ambient category.
+ AVAudioSessionCategory category = AVAudioSessionCategoryAmbient;
+
+ if (sessionCategorySetting == SESSION_CATEGORY_MULTI_ROUTE) {
+ category = AVAudioSessionCategoryMultiRoute;
+ } else if (sessionCategorySetting == SESSION_CATEGORY_PLAY_AND_RECORD) {
+ category = AVAudioSessionCategoryPlayAndRecord;
+ } else if (sessionCategorySetting == SESSION_CATEGORY_PLAYBACK) {
+ category = AVAudioSessionCategoryPlayback;
+ } else if (sessionCategorySetting == SESSION_CATEGORY_RECORD) {
+ category = AVAudioSessionCategoryRecord;
+ } else if (sessionCategorySetting == SESSION_CATEGORY_SOLO_AMBIENT) {
+ category = AVAudioSessionCategorySoloAmbient;
+ }
+
+ if (GLOBAL_GET("audio/general/ios/mix_with_others")) {
+ [[AVAudioSession sharedInstance] setCategory:category withOptions:AVAudioSessionCategoryOptionMixWithOthers error:nil];
+ } else {
+ [[AVAudioSession sharedInstance] setCategory:category error:nil];
+ }
bool keep_screen_on = bool(GLOBAL_DEF("display/window/energy_saving/keep_screen_on", true));
OSIPhone::get_singleton()->set_keep_screen_on(keep_screen_on);