feat(YouTube): Add Force original audio patch (#4122)

extensions/shared/library/src/main/java/app/revanced/extension/shared/settings/BaseSettings.java

@@ -3,7 +3,7 @@ package app.revanced.extension.shared.settings;
 import static java.lang.Boolean.FALSE;
 import static java.lang.Boolean.TRUE;
 import static app.revanced.extension.shared.settings.Setting.parent;
-import static app.revanced.extension.shared.spoof.SpoofVideoStreamsPatch.ForceiOSAVCAvailability;
+import static app.revanced.extension.shared.spoof.SpoofVideoStreamsPatch.SpoofiOSAvailability;
 
 import app.revanced.extension.shared.spoof.AudioStreamLanguage;
 import app.revanced.extension.shared.spoof.ClientType;
@@ -22,9 +22,9 @@ public class BaseSettings {
     public static final IntegerSetting CHECK_ENVIRONMENT_WARNINGS_ISSUED = new IntegerSetting("revanced_check_environment_warnings_issued", 0, true, false);
 
     public static final BooleanSetting SPOOF_VIDEO_STREAMS = new BooleanSetting("revanced_spoof_video_streams", TRUE, true, "revanced_spoof_video_streams_user_dialog_message");
-    public static final EnumSetting<AudioStreamLanguage> SPOOF_VIDEO_STREAMS_LANGUAGE = new EnumSetting<>("revanced_spoof_video_streams_language", AudioStreamLanguage.DEFAULT, parent(SPOOF_VIDEO_STREAMS));
+    public static final EnumSetting<AudioStreamLanguage> SPOOF_VIDEO_STREAMS_LANGUAGE = new EnumSetting<>("revanced_spoof_video_streams_language", AudioStreamLanguage.DEFAULT, new SpoofiOSAvailability());
     public static final BooleanSetting SPOOF_VIDEO_STREAMS_IOS_FORCE_AVC = new BooleanSetting("revanced_spoof_video_streams_ios_force_avc", FALSE, true,
-            "revanced_spoof_video_streams_ios_force_avc_user_dialog_message", new ForceiOSAVCAvailability());
+            "revanced_spoof_video_streams_ios_force_avc_user_dialog_message", new SpoofiOSAvailability());
     public static final EnumSetting<ClientType> SPOOF_VIDEO_STREAMS_CLIENT_TYPE = new EnumSetting<>("revanced_spoof_video_streams_client", ClientType.ANDROID_VR, true, parent(SPOOF_VIDEO_STREAMS));
 
 }

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

@@ -3,6 +3,11 @@ package app.revanced.extension.shared.spoof;
 import java.util.Locale;
 
 public enum AudioStreamLanguage {
+    /**
+     * YouTube default.
+     * Can be the original language or can be app language,
+     * depending on what YouTube decides to pick as the default.
+     */
     DEFAULT,
 
     // Language codes found in locale_config.xml
@@ -86,15 +91,21 @@ public enum AudioStreamLanguage {
     private final String iso639_1;
 
     AudioStreamLanguage() {
-        iso639_1 = name().replace('_', '-');
+        String name = name();
+        final int regionSeparatorIndex = name.indexOf('_');
+        if (regionSeparatorIndex >= 0) {
+            iso639_1 = name.substring(0, regionSeparatorIndex).toLowerCase(Locale.US)
+                    + name.substring(regionSeparatorIndex);
+        } else {
+            iso639_1 = name().toLowerCase(Locale.US);
+        }
     }
 
     public String getIso639_1() {
         // Changing the app language does not force the app to completely restart,
         // so the default needs to be the current language and not a static field.
         if (this == DEFAULT) {
-            // Android VR requires uppercase language code.
-            return Locale.getDefault().toLanguageTag().toUpperCase(Locale.US);
+            return Locale.getDefault().toLanguageTag();
         }
 
         return iso639_1;

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

@@ -17,7 +17,7 @@ public enum ClientType {
             "32", // Android 12.1
             "1.56.21",
             true,
-            true),
+            false),
     // Specific for kids videos.
     IOS(5,
             "IOS",
@@ -40,21 +40,8 @@ public enum ClientType {
                     ? "17.40.5"
                     : "19.47.7",
             false,
-            true),
-    /**
-     * Android VR with no language code.
-     * Used for age restricted videos and YouTube Music to disable stable volume.
-     */
-    ANDROID_VR_NO_HL(
-            ANDROID_VR.id,
-            ANDROID_VR.clientName,
-            ANDROID_VR.deviceModel,
-            ANDROID_VR.osVersion,
-            ANDROID_VR.userAgent,
-            ANDROID_VR.androidSdkVersion,
-            ANDROID_VR.clientVersion,
-            ANDROID_VR.canLogin,
-            false);
+            true
+    );
 
     private static boolean forceAVC() {
         return BaseSettings.SPOOF_VIDEO_STREAMS_IOS_FORCE_AVC.get();

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

@@ -22,14 +22,6 @@ public class SpoofVideoStreamsPatch {
     private static final String UNREACHABLE_HOST_URI_STRING = "https://127.0.0.0";
     private static final Uri UNREACHABLE_HOST_URI = Uri.parse(UNREACHABLE_HOST_URI_STRING);
 
-    /**
-     * Injection point. Used by YT Music to disable stable volume.
-     */
-    public static void setClientTypeToAndroidVrNoHl() {
-        Logger.printDebug(() -> "Setting stream spoofing to: " + ClientType.ANDROID_VR_NO_HL);
-        BaseSettings.SPOOF_VIDEO_STREAMS_CLIENT_TYPE.save(ClientType.ANDROID_VR_NO_HL);
-    }
-
     /**
      * Injection point.
      * Blocks /get_watch requests by returning an unreachable URI.
@@ -173,10 +165,11 @@ public class SpoofVideoStreamsPatch {
         return postData;
     }
 
-    public static final class ForceiOSAVCAvailability implements Setting.Availability {
+    public static final class SpoofiOSAvailability implements Setting.Availability {
         @Override
         public boolean isAvailable() {
-            return BaseSettings.SPOOF_VIDEO_STREAMS.get() && BaseSettings.SPOOF_VIDEO_STREAMS_CLIENT_TYPE.get() == ClientType.IOS;
+            return BaseSettings.SPOOF_VIDEO_STREAMS.get()
+                    && BaseSettings.SPOOF_VIDEO_STREAMS_CLIENT_TYPE.get() == ClientType.IOS;
         }
     }
 }

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

@@ -19,7 +19,9 @@ final class PlayerRoutes {
                     "?fields=streamingData" +
                     "&alt=proto"
     ).compile();
+
     private static final String YT_API_URL = "https://youtubei.googleapis.com/youtubei/v1/";
+
     /**
      * TCP connection and HTTP read timeout
      */