fix(YouTube - Force original audio): If stream spoofing to Android then show a summary text why force audio is not available

extensions/shared/library/src/main/java/app/revanced/extension/shared/spoof/SpoofVideoStreamsPatch.java

@@ -34,6 +34,12 @@ private static boolean isPatchIncluded() {
         return false; // Modified during patching.
     }
 
+    public static boolean notSpoofingToAndroid() {
+        return !isPatchIncluded()
+                || !BaseSettings.SPOOF_VIDEO_STREAMS.get()
+                || BaseSettings.SPOOF_VIDEO_STREAMS_CLIENT_TYPE.get() == ClientType.IOS_UNPLUGGED;
+    }
+
     /**
      * Injection point.
      * Blocks /get_watch requests by returning an unreachable URI.
@@ -206,18 +212,6 @@ public static String appendSpoofedClient(String videoFormat) {
         return videoFormat;
     }
 
-    public static final class NotSpoofingAndroidAvailability implements Setting.Availability {
-        @Override
-        public boolean isAvailable() {
-            if (SpoofVideoStreamsPatch.isPatchIncluded()) {
-                return !BaseSettings.SPOOF_VIDEO_STREAMS.get()
-                        || BaseSettings.SPOOF_VIDEO_STREAMS_CLIENT_TYPE.get() == ClientType.IOS_UNPLUGGED;
-            }
-
-            return true;
-        }
-    }
-
     public static final class AudioStreamLanguageOverrideAvailability implements Setting.Availability {
         @Override
         public boolean isAvailable() {

extensions/youtube/src/main/java/app/revanced/extension/youtube/patches/ForceOriginalAudioPatch.java

@@ -1,13 +1,29 @@
 package app.revanced.extension.youtube.patches;
 
 import app.revanced.extension.shared.Logger;
+import app.revanced.extension.shared.settings.Setting;
+import app.revanced.extension.shared.spoof.SpoofVideoStreamsPatch;
 import app.revanced.extension.youtube.settings.Settings;
 
 @SuppressWarnings("unused")
 public class ForceOriginalAudioPatch {
 
     private static final String DEFAULT_AUDIO_TRACKS_SUFFIX = ".4";
 
+    /**
+     * If the conditions to use this patch were present when the app launched.
+     */
+    public static boolean PATCH_AVAILABLE = SpoofVideoStreamsPatch.notSpoofingToAndroid();
+
+    public static final class ForceOriginalAudioAvailability implements Setting.Availability {
+        @Override
+        public boolean isAvailable() {
+            // Check conditions of launch and now. Otherwise if spoofing is changed
+            // without a restart the setting will show as available when it's not.
+            return PATCH_AVAILABLE && SpoofVideoStreamsPatch.notSpoofingToAndroid();
+        }
+    }
+
     /**
      * Injection point.
      */

extensions/youtube/src/main/java/app/revanced/extension/youtube/settings/Settings.java

@@ -7,8 +7,8 @@
 import static app.revanced.extension.shared.settings.Setting.migrateOldSettingToNew;
 import static app.revanced.extension.shared.settings.Setting.parent;
 import static app.revanced.extension.shared.settings.Setting.parentsAny;
-import static app.revanced.extension.shared.spoof.SpoofVideoStreamsPatch.NotSpoofingAndroidAvailability;
 import static app.revanced.extension.youtube.patches.ChangeStartPagePatch.StartPage;
+import static app.revanced.extension.youtube.patches.ForceOriginalAudioPatch.ForceOriginalAudioAvailability;
 import static app.revanced.extension.youtube.patches.MiniplayerPatch.MiniplayerHideExpandCloseAvailability;
 import static app.revanced.extension.youtube.patches.MiniplayerPatch.MiniplayerHorizontalDragAvailability;
 import static app.revanced.extension.youtube.patches.MiniplayerPatch.MiniplayerType;
@@ -54,7 +54,7 @@ public class Settings extends BaseSettings {
     public static final StringSetting CUSTOM_PLAYBACK_SPEEDS = new StringSetting("revanced_custom_playback_speeds",
             "0.25\n0.5\n0.75\n0.9\n0.95\n1.0\n1.05\n1.1\n1.25\n1.5\n1.75\n2.0\n3.0\n4.0\n5.0", true);
     // Audio
-    public static final BooleanSetting FORCE_ORIGINAL_AUDIO = new BooleanSetting("revanced_force_original_audio", FALSE, new NotSpoofingAndroidAvailability());
+    public static final BooleanSetting FORCE_ORIGINAL_AUDIO = new BooleanSetting("revanced_force_original_audio", FALSE, new ForceOriginalAudioAvailability());
 
     // Ads
     public static final BooleanSetting HIDE_BUTTONED_ADS = new BooleanSetting("revanced_hide_buttoned_ads", TRUE);

extensions/youtube/src/main/java/app/revanced/extension/youtube/settings/preference/ForceOriginalAudioSwitchPreference.java

@@ -0,0 +1,36 @@
+package app.revanced.extension.youtube.settings.preference;
+
+import static app.revanced.extension.shared.StringRef.str;
+
+import android.content.Context;
+import android.preference.SwitchPreference;
+import android.util.AttributeSet;
+
+import app.revanced.extension.youtube.patches.ForceOriginalAudioPatch;
+
+@SuppressWarnings({"deprecation", "unused"})
+public class ForceOriginalAudioSwitchPreference extends SwitchPreference {
+
+    {
+        if (!ForceOriginalAudioPatch.PATCH_AVAILABLE) {
+            // Show why force audio is not available.
+            String summary = str("revanced_force_original_audio_not_available");
+            setSummary(summary);
+            setSummaryOn(summary);
+            setSummaryOff(summary);
+        }
+    }
+
+    public ForceOriginalAudioSwitchPreference(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
+        super(context, attrs, defStyleAttr, defStyleRes);
+    }
+    public ForceOriginalAudioSwitchPreference(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+    }
+    public ForceOriginalAudioSwitchPreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+    public ForceOriginalAudioSwitchPreference(Context context) {
+        super(context);
+    }
+}

patches/src/main/kotlin/app/revanced/patches/youtube/video/audio/ForceOriginalAudioPatch.kt

@@ -57,7 +57,10 @@ val forceOriginalAudioPatch = bytecodePatch(
         addResources("youtube", "video.audio.forceOriginalAudioPatch")
 
         PreferenceScreen.VIDEO.addPreferences(
-            SwitchPreference("revanced_force_original_audio")
+            SwitchPreference(
+                key = "revanced_force_original_audio",
+                tag = "app.revanced.extension.youtube.settings.preference.ForceOriginalAudioSwitchPreference"
+            )
         )
 
         fun Method.firstFormatStreamingModelCall(

patches/src/main/resources/addresources/values/strings.xml

@@ -1246,6 +1246,7 @@ Enabling this can unlock higher video qualities"</string>
             <string name="revanced_force_original_audio_title">Force original audio</string>
             <string name="revanced_force_original_audio_summary_on">Using original audio</string>
             <string name="revanced_force_original_audio_summary_off">Using default audio</string>
+            <string name="revanced_force_original_audio_not_available">To use this feature, change stream spoofing to iOS client type</string>
         </patch>
         <patch id="video.quality.rememberVideoQualityPatch">
             <!-- Translations should use the same text as revanced_custom_playback_speeds_auto -->