From 5e8a2d3fe77a4a08ea32e7dc22f2c8e4048b7a6b Mon Sep 17 00:00:00 2001
From: oSumAtrIX <johan.melkonyan1@web.de>
Date: Mon, 25 Sep 2023 23:50:42 +0200
Subject: [PATCH] fix(YouTube - Client spoof): Display seekbar thumbnails in
 high quality

---
 .../misc/fix/playback/SpoofSignaturePatch.kt  | 27 ++++++++++++++++---
 .../playback/SpoofSignatureResourcePatch.kt   |  3 +--
 .../StoryboardRendererInitFingerprint.kt      | 15 +++++++++++
 3 files changed, 39 insertions(+), 6 deletions(-)
 create mode 100644 src/main/kotlin/app/revanced/patches/youtube/misc/fix/playback/fingerprints/StoryboardRendererInitFingerprint.kt

diff --git a/src/main/kotlin/app/revanced/patches/youtube/misc/fix/playback/SpoofSignaturePatch.kt b/src/main/kotlin/app/revanced/patches/youtube/misc/fix/playback/SpoofSignaturePatch.kt
index 301681e4b..003f3a07e 100644
--- a/src/main/kotlin/app/revanced/patches/youtube/misc/fix/playback/SpoofSignaturePatch.kt
+++ b/src/main/kotlin/app/revanced/patches/youtube/misc/fix/playback/SpoofSignaturePatch.kt
@@ -23,15 +23,16 @@ import com.android.tools.smali.dexlib2.iface.instruction.OneRegisterInstruction
         SpoofSignatureResourcePatch::class,
         IntegrationsPatch::class,
         PlayerTypeHookPatch::class,
-        VideoInformationPatch::class
+        VideoInformationPatch::class,
     ]
 )
 object SpoofSignaturePatch : BytecodePatch(
     setOf(
         ProtobufParameterBuilderFingerprint,
+        PlayerResponseModelImplFingerprint,
         StoryboardThumbnailParentFingerprint,
         StoryboardRendererSpecFingerprint,
-        PlayerResponseModelImplFingerprint
+        StoryboardRendererInitFingerprint
     )
 ) {
     private const val INTEGRATIONS_CLASS_DESCRIPTOR =
@@ -100,7 +101,7 @@ object SpoofSignaturePatch : BytecodePatch(
                     addInstructions(
                         getStoryBoardIndex,
                         """
-                        invoke-static {}, $INTEGRATIONS_CLASS_DESCRIPTOR->getStoryboardRendererSpec()Ljava/lang/String;
+                        invoke-static { v$getStoryBoardRegister }, $INTEGRATIONS_CLASS_DESCRIPTOR->getStoryboardRendererSpec(Ljava/lang/String;)Ljava/lang/String;
                         move-result-object v$getStoryBoardRegister
                     """
                     )
@@ -115,13 +116,31 @@ object SpoofSignaturePatch : BytecodePatch(
                         0,
                         """
                         if-nez p$storyBoardUrlParams, :ignore
-                        invoke-static {}, $INTEGRATIONS_CLASS_DESCRIPTOR->getStoryboardRendererSpec()Ljava/lang/String;
+                        invoke-static { p$storyBoardUrlParams }, $INTEGRATIONS_CLASS_DESCRIPTOR->getStoryboardRendererSpec(Ljava/lang/String;)Ljava/lang/String;
                         move-result-object p$storyBoardUrlParams
                     """,
                         ExternalLabel("ignore", getInstruction(0))
                     )
                 }
             } ?: throw StoryboardRendererSpecFingerprint.exception
+
+            // Hook recommended value
+            StoryboardRendererInitFingerprint.result?.let {
+                val moveOriginalRecommendedValueIndex = it.scanResult.patternScanResult!!.endIndex
+
+                val originalValueRegister  = it.mutableMethod
+                    .getInstruction<OneRegisterInstruction>(moveOriginalRecommendedValueIndex).registerA
+
+                it.mutableMethod.apply {
+                    addInstructions(
+                        moveOriginalRecommendedValueIndex + 1,
+                        """
+                            invoke-static { v$originalValueRegister }, $INTEGRATIONS_CLASS_DESCRIPTOR->getRecommendedLevel(I)I
+                            move-result v$originalValueRegister
+                        """
+                    )
+                }
+            } ?: throw StoryboardRendererInitFingerprint.exception
         }
     }
 }
\ No newline at end of file
diff --git a/src/main/kotlin/app/revanced/patches/youtube/misc/fix/playback/SpoofSignatureResourcePatch.kt b/src/main/kotlin/app/revanced/patches/youtube/misc/fix/playback/SpoofSignatureResourcePatch.kt
index 6919aa966..f89d9e002 100644
--- a/src/main/kotlin/app/revanced/patches/youtube/misc/fix/playback/SpoofSignatureResourcePatch.kt
+++ b/src/main/kotlin/app/revanced/patches/youtube/misc/fix/playback/SpoofSignatureResourcePatch.kt
@@ -30,8 +30,7 @@ object SpoofSignatureResourcePatch : ResourcePatch() {
                             "App signature spoofed\\n\\n"
                                     + "Side effects include:\\n"
                                     + "• No ambient mode\\n"
-                                    + "• Videos cannot be downloaded\\n"
-                                    + "• Low quality seekbar thumbnails (No thumbnails for age restricted or paid videos)"
+                                    + "• Videos cannot be downloaded"
                         ),
                         StringResource(
                             "revanced_spoof_signature_verification_enabled_summary_off",
diff --git a/src/main/kotlin/app/revanced/patches/youtube/misc/fix/playback/fingerprints/StoryboardRendererInitFingerprint.kt b/src/main/kotlin/app/revanced/patches/youtube/misc/fix/playback/fingerprints/StoryboardRendererInitFingerprint.kt
new file mode 100644
index 000000000..9dca47f81
--- /dev/null
+++ b/src/main/kotlin/app/revanced/patches/youtube/misc/fix/playback/fingerprints/StoryboardRendererInitFingerprint.kt
@@ -0,0 +1,15 @@
+package app.revanced.patches.youtube.misc.fix.playback.fingerprints
+
+import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
+import com.android.tools.smali.dexlib2.Opcode
+
+object StoryboardRendererInitFingerprint : MethodFingerprint(
+    strings = listOf("#-1#"),
+    opcodes = listOf(
+        Opcode.INVOKE_INTERFACE,
+        Opcode.MOVE_RESULT_OBJECT,
+        Opcode.IPUT_OBJECT,
+        Opcode.INVOKE_INTERFACE,
+        Opcode.MOVE_RESULT
+    )
+)