From d1b2fe16dbf503e2f15f1dc12fb582f25fed884f Mon Sep 17 00:00:00 2001
From: inotia00 <108592928+inotia00@users.noreply.github.com>
Date: Mon, 16 Dec 2024 21:54:57 +0900
Subject: [PATCH] fix(YouTube - Spoof streaming data): On `iOS` clients,
 livestreams always start from the beginning

---
 .../shared/patches/spoof/SpoofStreamingDataPatch.java  | 10 ++++++++++
 .../SpoofStreamingDataSideEffectsPreference.java       |  8 +-------
 .../spoof/streamingdata/BaseSpoofStreamingDataPatch.kt | 10 ++++++++++
 .../patches/shared/spoof/streamingdata/Fingerprints.kt |  9 +++++++++
 .../resources/youtube/settings/host/values/strings.xml |  4 +---
 5 files changed, 31 insertions(+), 10 deletions(-)

diff --git a/extensions/shared/src/main/java/app/revanced/extension/shared/patches/spoof/SpoofStreamingDataPatch.java b/extensions/shared/src/main/java/app/revanced/extension/shared/patches/spoof/SpoofStreamingDataPatch.java
index 21a21379f..2bb2a233b 100644
--- a/extensions/shared/src/main/java/app/revanced/extension/shared/patches/spoof/SpoofStreamingDataPatch.java
+++ b/extensions/shared/src/main/java/app/revanced/extension/shared/patches/spoof/SpoofStreamingDataPatch.java
@@ -78,6 +78,16 @@ public class SpoofStreamingDataPatch {
         return SPOOF_STREAMING_DATA;
     }
 
+    /**
+     * Injection point.
+     */
+    public static boolean fixHLSCurrentTime(boolean original) {
+        if (!SPOOF_STREAMING_DATA) {
+            return original;
+        }
+        return false;
+    }
+
     /**
      * Injection point.
      */
diff --git a/extensions/shared/src/main/java/app/revanced/extension/youtube/settings/preference/SpoofStreamingDataSideEffectsPreference.java b/extensions/shared/src/main/java/app/revanced/extension/youtube/settings/preference/SpoofStreamingDataSideEffectsPreference.java
index 40b64919d..92eec6bcf 100644
--- a/extensions/shared/src/main/java/app/revanced/extension/youtube/settings/preference/SpoofStreamingDataSideEffectsPreference.java
+++ b/extensions/shared/src/main/java/app/revanced/extension/youtube/settings/preference/SpoofStreamingDataSideEffectsPreference.java
@@ -64,13 +64,7 @@ public class SpoofStreamingDataSideEffectsPreference extends Preference {
 
     private void updateUI() {
         final ClientType clientType = Settings.SPOOF_STREAMING_DATA_TYPE.get();
-
-        final String summaryTextKey;
-        if (clientType == ClientType.IOS && Settings.SPOOF_STREAMING_DATA_IOS_SKIP_LIVESTREAM_PLAYBACK.get()) {
-            summaryTextKey = "revanced_spoof_streaming_data_side_effects_ios_skip_livestream_playback";
-        } else {
-            summaryTextKey = "revanced_spoof_streaming_data_side_effects_" + clientType.name().toLowerCase();
-        }
+        final String summaryTextKey = "revanced_spoof_streaming_data_side_effects_" + clientType.name().toLowerCase();
 
         setSummary(str(summaryTextKey));
         setEnabled(Settings.SPOOF_STREAMING_DATA.get());
diff --git a/patches/src/main/kotlin/app/revanced/patches/shared/spoof/streamingdata/BaseSpoofStreamingDataPatch.kt b/patches/src/main/kotlin/app/revanced/patches/shared/spoof/streamingdata/BaseSpoofStreamingDataPatch.kt
index a8beb08eb..956a1818e 100644
--- a/patches/src/main/kotlin/app/revanced/patches/shared/spoof/streamingdata/BaseSpoofStreamingDataPatch.kt
+++ b/patches/src/main/kotlin/app/revanced/patches/shared/spoof/streamingdata/BaseSpoofStreamingDataPatch.kt
@@ -12,6 +12,7 @@ import app.revanced.patcher.util.smali.ExternalLabel
 import app.revanced.patches.shared.extension.Constants.SPOOF_PATH
 import app.revanced.util.findInstructionIndicesReversedOrThrow
 import app.revanced.util.fingerprint.definingClassOrThrow
+import app.revanced.util.fingerprint.injectLiteralInstructionBooleanCall
 import app.revanced.util.fingerprint.matchOrThrow
 import app.revanced.util.fingerprint.methodOrThrow
 import app.revanced.util.getReference
@@ -209,6 +210,15 @@ fun baseSpoofStreamingDataPatch(
 
         // endregion
 
+        // region Fix iOS livestream current time.
+
+        hlsCurrentTimeFingerprint.injectLiteralInstructionBooleanCall(
+            HLS_CURRENT_TIME_FEATURE_FLAG,
+            "$EXTENSION_CLASS_DESCRIPTOR->fixHLSCurrentTime(Z)Z"
+        )
+
+        // endregion
+
         executeBlock()
 
     }
diff --git a/patches/src/main/kotlin/app/revanced/patches/shared/spoof/streamingdata/Fingerprints.kt b/patches/src/main/kotlin/app/revanced/patches/shared/spoof/streamingdata/Fingerprints.kt
index 040316141..45e2739df 100644
--- a/patches/src/main/kotlin/app/revanced/patches/shared/spoof/streamingdata/Fingerprints.kt
+++ b/patches/src/main/kotlin/app/revanced/patches/shared/spoof/streamingdata/Fingerprints.kt
@@ -134,3 +134,12 @@ internal val protobufClassParseByteBufferFingerprint = legacyFingerprint(
     ),
     customFingerprint = { method, _ -> method.name == "parseFrom" },
 )
+
+internal const val HLS_CURRENT_TIME_FEATURE_FLAG = 45355374L
+
+internal val hlsCurrentTimeFingerprint = legacyFingerprint(
+    name = "hlsCurrentTimeFingerprint",
+    accessFlags = AccessFlags.PUBLIC or AccessFlags.FINAL,
+    parameters = listOf("Z", "L"),
+    literals = listOf(HLS_CURRENT_TIME_FEATURE_FLAG),
+)
diff --git a/patches/src/main/resources/youtube/settings/host/values/strings.xml b/patches/src/main/resources/youtube/settings/host/values/strings.xml
index 7f4d6fef1..4e2aa35f6 100644
--- a/patches/src/main/resources/youtube/settings/host/values/strings.xml
+++ b/patches/src/main/resources/youtube/settings/host/values/strings.xml
@@ -1903,9 +1903,7 @@ Tap on the continue button and disable battery optimizations."</string>
     <string name="revanced_spoof_streaming_data_type_entry_android_unplugged">Android TV</string>
     <string name="revanced_spoof_streaming_data_type_entry_android_vr">Android VR</string>
     <string name="revanced_spoof_streaming_data_side_effects_title">Spoofing side effects</string>
-    <string name="revanced_spoof_streaming_data_side_effects_ios">"• Livestreams start from the beginning.
-• Videos may end 1 second early."</string>
-    <string name="revanced_spoof_streaming_data_side_effects_ios_skip_livestream_playback">• Videos may end 1 second early.</string>
+    <string name="revanced_spoof_streaming_data_side_effects_ios">• Videos may end 1 second early.</string>
     <string name="revanced_spoof_streaming_data_side_effects_android_unplugged">"• Audio track menu is missing.
 • Stable volume is not available."</string>
     <string name="revanced_spoof_streaming_data_side_effects_android_vr">"• Audio track menu is missing.