fix: breaking changes by revanced-patcher dependency

Signed-off-by: oSumAtrIX <johan.melkonyan1@web.de>
2022-05-22 13:43:41 +02:00
parent 96e7aed843
commit 1748cd98a4
68 changed files with 3692 additions and 3594 deletions
@@ -1,157 +0,0 @@
-package app.revanced.patches.music.audio
-
-import app.revanced.patcher.data.implementation.BytecodeData
-import app.revanced.patcher.data.implementation.toMethodWalker
-import app.revanced.patcher.extensions.or
-import app.revanced.patcher.patch.implementation.BytecodePatch
-import app.revanced.patcher.patch.implementation.metadata.PackageMetadata
-import app.revanced.patcher.patch.implementation.metadata.PatchMetadata
-import app.revanced.patcher.patch.implementation.misc.PatchResult
-import app.revanced.patcher.patch.implementation.misc.PatchResultSuccess
-import app.revanced.patcher.signature.MethodMetadata
-import app.revanced.patcher.signature.MethodSignature
-import app.revanced.patcher.signature.MethodSignatureMetadata
-import app.revanced.patcher.signature.PatternScanMethod
-import app.revanced.patcher.smali.toInstruction
-import org.jf.dexlib2.AccessFlags
-import org.jf.dexlib2.Opcode
-
-private val packageMetadata = listOf(
-    PackageMetadata(
-        "com.google.android.apps.youtube.music",
-        listOf("5.03.50")
-    )
-)
-
-private val patchMetadata = PatchMetadata(
-    "codecs-unlock",
-    "Audio codecs unlock patch",
-    "Enables more audio codecs. Usually results in better audio quality but may depend on song and device.",
-    packageMetadata,
-    "0.0.1"
-)
-
-class CodecsUnlockPatch : BytecodePatch(
-    patchMetadata,
-    listOf(
-        MethodSignature(
-            MethodSignatureMetadata(
-                "codec-lock-method",
-                MethodMetadata(
-                    "Labwj;",
-                    "a",
-                ),
-                PatternScanMethod.Fuzzy(2),// FIXME: Test this threshold and find the best value.
-                packageMetadata,
-                "Required signature for ${patchMetadata.name}. Discovered in version 5.03.50.",
-                "0.0.1"
-            ),
-            "L",
-            AccessFlags.PUBLIC or AccessFlags.STATIC,
-            listOf("L", "L", "L", "L"),
-            listOf(
-                Opcode.INVOKE_STATIC,
-                Opcode.MOVE_RESULT_OBJECT,
-                Opcode.INVOKE_DIRECT,
-                Opcode.INVOKE_VIRTUAL,
-                Opcode.MOVE_RESULT,
-                Opcode.IF_NEZ,
-                Opcode.INVOKE_VIRTUAL,
-                Opcode.MOVE_RESULT,
-                Opcode.IF_NEZ,
-                Opcode.SGET,
-                Opcode.INVOKE_STATIC,
-                Opcode.MOVE_RESULT_OBJECT,
-                Opcode.INVOKE_INTERFACE,
-                Opcode.INVOKE_VIRTUAL,
-                Opcode.MOVE_RESULT,
-                Opcode.IF_NEZ,
-                Opcode.SGET_OBJECT,
-                Opcode.INVOKE_VIRTUAL,
-                Opcode.MOVE_RESULT_OBJECT,
-                Opcode.CHECK_CAST,
-                Opcode.INVOKE_INTERFACE,
-                Opcode.INVOKE_DIRECT,
-                Opcode.RETURN_OBJECT
-            )
-        ),
-        MethodSignature(
-            MethodSignatureMetadata(
-                "all-codecs-reference-method",
-                MethodMetadata(
-                    "Laari;",
-                    "b",
-                ),
-                PatternScanMethod.Fuzzy(2),// FIXME: Test this threshold and find the best value.
-                packageMetadata,
-                "Required signature for ${patchMetadata.name}. Discovered in version 5.03.50.",
-                "0.0.1"
-            ),
-            "J",
-            AccessFlags.PUBLIC or AccessFlags.FINAL,
-            listOf("L"),
-            listOf(
-                Opcode.INVOKE_STATIC,
-                Opcode.MOVE_RESULT_OBJECT,
-                Opcode.INVOKE_STATIC,
-                Opcode.MOVE_RESULT_OBJECT,
-                Opcode.INVOKE_INTERFACE,
-                Opcode.MOVE_RESULT,
-                Opcode.CONST_4,
-                Opcode.IF_EQZ,
-                Opcode.IGET_BOOLEAN,
-                Opcode.IF_NEZ,
-                Opcode.IGET_OBJECT,
-                Opcode.INVOKE_INTERFACE,
-                Opcode.IPUT_BOOLEAN,
-                Opcode.IGET_OBJECT,
-                Opcode.INVOKE_INTERFACE,
-                Opcode.GOTO,
-                Opcode.INVOKE_STATIC,
-                Opcode.MOVE_RESULT_OBJECT,
-                Opcode.INVOKE_INTERFACE,
-                Opcode.MOVE_RESULT,
-                Opcode.IF_NEZ,
-                Opcode.INVOKE_STATIC,
-                Opcode.MOVE_RESULT_OBJECT,
-                Opcode.INVOKE_INTERFACE,
-                Opcode.MOVE_RESULT,
-                Opcode.IF_EQZ,
-                Opcode.IGET_BOOLEAN,
-                Opcode.IF_NEZ,
-                Opcode.IGET_OBJECT,
-                Opcode.INVOKE_INTERFACE,
-                Opcode.IPUT_BOOLEAN,
-                Opcode.IGET_OBJECT,
-                Opcode.INVOKE_INTERFACE,
-                Opcode.GOTO,
-                Opcode.MOVE_EXCEPTION,
-                Opcode.INVOKE_SUPER,
-                Opcode.MOVE_RESULT_WIDE,
-                Opcode.RETURN_WIDE
-            ),
-            listOf("itag")
-        )
-    )
-) {
-    override fun execute(data: BytecodeData): PatchResult {
-        var result = signatures.first().result!!
-
-        val implementation = result.method.implementation!!
-
-        val instructionIndex = result.scanData.startIndex
-
-        result = signatures.last().result!!
-        val codecMethod = data
-            .toMethodWalker(result.immutableMethod)
-            .walk(result.scanData.startIndex)
-            .getMethod()
-
-        implementation.replaceInstruction(
-            instructionIndex,
-            "invoke-static {}, ${codecMethod.definingClass}->${codecMethod.name}()Ljava/util/Set;".toInstruction()
-        )
-
-        return PatchResultSuccess()
-    }
-}
@@ -1,133 +0,0 @@
-package app.revanced.patches.music.audio
-
-import app.revanced.patcher.data.implementation.BytecodeData
-import app.revanced.patcher.extensions.or
-import app.revanced.patcher.patch.implementation.BytecodePatch
-import app.revanced.patcher.patch.implementation.metadata.PackageMetadata
-import app.revanced.patcher.patch.implementation.metadata.PatchMetadata
-import app.revanced.patcher.patch.implementation.misc.PatchResult
-import app.revanced.patcher.patch.implementation.misc.PatchResultError
-import app.revanced.patcher.patch.implementation.misc.PatchResultSuccess
-import app.revanced.patcher.signature.MethodMetadata
-import app.revanced.patcher.signature.MethodSignature
-import app.revanced.patcher.signature.MethodSignatureMetadata
-import app.revanced.patcher.signature.PatternScanMethod
-import app.revanced.patcher.smali.toInstruction
-import org.jf.dexlib2.AccessFlags
-import org.jf.dexlib2.Opcode
-
-private val compatiblePackages = listOf(
-    PackageMetadata(
-        "com.google.android.apps.youtube.music",
-        listOf("5.03.50")
-    )
-)
-
-class EnableAudioOnlyPatch : BytecodePatch(
-    PatchMetadata(
-        "audio-only-playback-patch",
-        "Audio Only Mode Patch",
-        "Add the option to play music without video.",
-        compatiblePackages,
-        "0.0.1"
-    ),
-    listOf(
-        MethodSignature(
-            MethodSignatureMetadata(
-                "audio-only-method-signature",
-                MethodMetadata("Lgmd;", "c"),
-                PatternScanMethod.Fuzzy(2), // FIXME: Test this threshold and find the best value.
-                compatiblePackages,
-                "Signature for the method required to be patched.",
-                "0.0.1"
-            ),
-            "V",
-            AccessFlags.PUBLIC or AccessFlags.FINAL,
-            listOf("L", "Z"),
-            listOf(
-                Opcode.INVOKE_VIRTUAL,
-                Opcode.MOVE_RESULT_OBJECT,
-                Opcode.CHECK_CAST,
-                Opcode.INVOKE_VIRTUAL,
-                Opcode.MOVE_RESULT,
-                Opcode.IF_EQ,
-                Opcode.CONST_4,
-                Opcode.GOTO,
-                Opcode.NOP,
-                Opcode.IGET_OBJECT,
-                Opcode.INVOKE_INTERFACE,
-                Opcode.MOVE_RESULT_OBJECT,
-                Opcode.INVOKE_STATIC,
-                Opcode.MOVE_RESULT_OBJECT,
-                Opcode.INVOKE_VIRTUAL,
-                Opcode.IGET_OBJECT,
-                Opcode.INVOKE_VIRTUAL,
-                Opcode.MOVE_RESULT_OBJECT,
-                Opcode.INVOKE_INTERFACE,
-                Opcode.MOVE_RESULT,
-                Opcode.IF_EQZ,
-                Opcode.INVOKE_INTERFACE,
-                Opcode.MOVE_RESULT_OBJECT,
-                Opcode.CHECK_CAST,
-                Opcode.IF_EQZ,
-                Opcode.INVOKE_VIRTUAL,
-                Opcode.MOVE_RESULT_OBJECT,
-                Opcode.CHECK_CAST,
-                Opcode.IF_EQZ,
-                Opcode.IF_EQZ,
-                Opcode.INVOKE_INTERFACE,
-                Opcode.INVOKE_INTERFACE,
-                Opcode.GOTO,
-                Opcode.RETURN_VOID
-            )
-        )
-    )
-) {
-    override fun execute(data: BytecodeData): PatchResult {
-        val result = signatures.first().result!!.findParentMethod(
-            MethodSignature(
-                MethodSignatureMetadata(
-                    "audio-only-enabler-method",
-                    MethodMetadata("Lgmd;", "d"),
-                    PatternScanMethod.Fuzzy(2), // FIXME: Test this threshold and find the best value.
-                    compatiblePackages,
-                    "Signature for the method required to be patched.",
-                    "0.0.1"
-                ),
-                "Z",
-                AccessFlags.PUBLIC or AccessFlags.FINAL,
-                listOf(),
-                listOf(
-                    Opcode.IGET_OBJECT,
-                    Opcode.INVOKE_INTERFACE,
-                    Opcode.MOVE_RESULT_OBJECT,
-                    Opcode.IGET_OBJECT,
-                    Opcode.INVOKE_INTERFACE,
-                    Opcode.MOVE_RESULT_OBJECT,
-                    Opcode.INVOKE_VIRTUAL,
-                    Opcode.MOVE_RESULT_OBJECT,
-                    Opcode.CHECK_CAST,
-                    Opcode.IF_NEZ,
-                    Opcode.IGET_OBJECT,
-                    Opcode.INVOKE_VIRTUAL,
-                    Opcode.MOVE_RESULT,
-                    Opcode.GOTO,
-                    Opcode.INVOKE_VIRTUAL,
-                    Opcode.MOVE_RESULT,
-                    Opcode.RETURN
-                )
-            )
-        ) ?: return PatchResultError("Required method for ${metadata.shortName} not found.")
-
-        val implementation = result.method.implementation!!
-        implementation.replaceInstruction(
-            implementation.instructions.count() - 1,
-            "const/4 v0, 0x1".toInstruction()
-        )
-        implementation.addInstruction(
-            "return v0".toInstruction()
-        )
-
-        return PatchResultSuccess()
-    }
-}
@@ -0,0 +1,14 @@
+package app.revanced.patches.music.audio.codecs.annotations
+
+import app.revanced.patcher.annotation.Compatibility
+import app.revanced.patcher.annotation.Package
+
+@Compatibility(
+    [Package(
+        "com.google.android.apps.youtube.music", arrayOf("5.03.50")
+    )]
+)
+@Target(AnnotationTarget.CLASS)
+@Retention(AnnotationRetention.RUNTIME)
+internal annotation class CodecsUnlockCompatibility
+
@@ -0,0 +1,44 @@
+package app.revanced.patches.music.audio.codecs.patch
+
+import app.revanced.patcher.annotation.Description
+import app.revanced.patcher.annotation.Name
+import app.revanced.patcher.annotation.Version
+import app.revanced.patcher.data.implementation.BytecodeData
+import app.revanced.patcher.data.implementation.toMethodWalker
+import app.revanced.patcher.patch.annotations.Patch
+import app.revanced.patcher.patch.implementation.BytecodePatch
+import app.revanced.patcher.patch.implementation.misc.PatchResult
+import app.revanced.patcher.patch.implementation.misc.PatchResultSuccess
+import app.revanced.patcher.util.smali.toInstruction
+import app.revanced.patches.music.audio.codecs.annotations.CodecsUnlockCompatibility
+import app.revanced.patches.music.audio.codecs.signatures.AllCodecsReferenceSignature
+import app.revanced.patches.music.audio.codecs.signatures.CodecsLockSignature
+
+@Patch
+@Name("codecs-unlock")
+@Description("Enables more audio codecs. Usually results in better audio quality but may depend on song and device.")
+@CodecsUnlockCompatibility
+@Version("0.0.1")
+class CodecsUnlockPatch : BytecodePatch(
+    listOf(
+        CodecsLockSignature, AllCodecsReferenceSignature
+    )
+) {
+    override fun execute(data: BytecodeData): PatchResult {
+        var result = signatures.first().result!!
+
+        val implementation = result.method.implementation!!
+
+        val instructionIndex = result.scanData.startIndex
+
+        result = signatures.last().result!!
+        val codecMethod = data.toMethodWalker(result.immutableMethod).walk(result.scanData.startIndex).getMethod()
+
+        implementation.replaceInstruction(
+            instructionIndex,
+            "invoke-static {}, ${codecMethod.definingClass}->${codecMethod.name}()Ljava/util/Set;".toInstruction()
+        )
+
+        return PatchResultSuccess()
+    }
+}
@@ -0,0 +1,62 @@
+package app.revanced.patches.music.audio.codecs.signatures
+
+import app.revanced.patcher.annotation.Name
+import app.revanced.patcher.annotation.Version
+import app.revanced.patcher.extensions.or
+import app.revanced.patcher.signature.implementation.method.MethodSignature
+import app.revanced.patcher.signature.implementation.method.annotation.FuzzyPatternScanMethod
+import app.revanced.patcher.signature.implementation.method.annotation.MatchingMethod
+import app.revanced.patches.music.audio.codecs.annotations.CodecsUnlockCompatibility
+import org.jf.dexlib2.AccessFlags
+import org.jf.dexlib2.Opcode
+
+@Name("all-codecs-reference-signature")
+@MatchingMethod(
+    "Laari;",
+    "b",
+)
+@FuzzyPatternScanMethod(2) // FIXME: Test this threshold and find the best value.
+@CodecsUnlockCompatibility
+@Version("0.0.1")
+object AllCodecsReferenceSignature : MethodSignature(
+    "J", AccessFlags.PUBLIC or AccessFlags.FINAL, listOf("L"), listOf(
+        Opcode.INVOKE_STATIC,
+        Opcode.MOVE_RESULT_OBJECT,
+        Opcode.INVOKE_STATIC,
+        Opcode.MOVE_RESULT_OBJECT,
+        Opcode.INVOKE_INTERFACE,
+        Opcode.MOVE_RESULT,
+        Opcode.CONST_4,
+        Opcode.IF_EQZ,
+        Opcode.IGET_BOOLEAN,
+        Opcode.IF_NEZ,
+        Opcode.IGET_OBJECT,
+        Opcode.INVOKE_INTERFACE,
+        Opcode.IPUT_BOOLEAN,
+        Opcode.IGET_OBJECT,
+        Opcode.INVOKE_INTERFACE,
+        Opcode.GOTO,
+        Opcode.INVOKE_STATIC,
+        Opcode.MOVE_RESULT_OBJECT,
+        Opcode.INVOKE_INTERFACE,
+        Opcode.MOVE_RESULT,
+        Opcode.IF_NEZ,
+        Opcode.INVOKE_STATIC,
+        Opcode.MOVE_RESULT_OBJECT,
+        Opcode.INVOKE_INTERFACE,
+        Opcode.MOVE_RESULT,
+        Opcode.IF_EQZ,
+        Opcode.IGET_BOOLEAN,
+        Opcode.IF_NEZ,
+        Opcode.IGET_OBJECT,
+        Opcode.INVOKE_INTERFACE,
+        Opcode.IPUT_BOOLEAN,
+        Opcode.IGET_OBJECT,
+        Opcode.INVOKE_INTERFACE,
+        Opcode.GOTO,
+        Opcode.MOVE_EXCEPTION,
+        Opcode.INVOKE_SUPER,
+        Opcode.MOVE_RESULT_WIDE,
+        Opcode.RETURN_WIDE
+    ), listOf("itag")
+)
@@ -0,0 +1,47 @@
+package app.revanced.patches.music.audio.codecs.signatures
+
+import app.revanced.patcher.annotation.Name
+import app.revanced.patcher.annotation.Version
+import app.revanced.patcher.extensions.or
+import app.revanced.patcher.signature.implementation.method.MethodSignature
+import app.revanced.patcher.signature.implementation.method.annotation.FuzzyPatternScanMethod
+import app.revanced.patcher.signature.implementation.method.annotation.MatchingMethod
+import app.revanced.patches.music.audio.codecs.annotations.CodecsUnlockCompatibility
+import org.jf.dexlib2.AccessFlags
+import org.jf.dexlib2.Opcode
+
+@Name("codec-lock-signature")
+@MatchingMethod(
+    "Labwj;",
+    "a",
+)
+@FuzzyPatternScanMethod(2) // FIXME: Test this threshold and find the best value.
+@CodecsUnlockCompatibility
+@Version("0.0.1")
+object CodecsLockSignature : MethodSignature(
+    "L", AccessFlags.PUBLIC or AccessFlags.STATIC, listOf("L", "L", "L", "L"), listOf(
+        Opcode.INVOKE_STATIC,
+        Opcode.MOVE_RESULT_OBJECT,
+        Opcode.INVOKE_DIRECT,
+        Opcode.INVOKE_VIRTUAL,
+        Opcode.MOVE_RESULT,
+        Opcode.IF_NEZ,
+        Opcode.INVOKE_VIRTUAL,
+        Opcode.MOVE_RESULT,
+        Opcode.IF_NEZ,
+        Opcode.SGET,
+        Opcode.INVOKE_STATIC,
+        Opcode.MOVE_RESULT_OBJECT,
+        Opcode.INVOKE_INTERFACE,
+        Opcode.INVOKE_VIRTUAL,
+        Opcode.MOVE_RESULT,
+        Opcode.IF_NEZ,
+        Opcode.SGET_OBJECT,
+        Opcode.INVOKE_VIRTUAL,
+        Opcode.MOVE_RESULT_OBJECT,
+        Opcode.CHECK_CAST,
+        Opcode.INVOKE_INTERFACE,
+        Opcode.INVOKE_DIRECT,
+        Opcode.RETURN_OBJECT
+    )
+)
@@ -0,0 +1,14 @@
+package app.revanced.patches.music.audio.exclusiveaudio.annotations
+
+import app.revanced.patcher.annotation.Compatibility
+import app.revanced.patcher.annotation.Package
+
+@Compatibility(
+    [Package(
+        "com.google.android.apps.youtube.music", arrayOf("5.03.50")
+    )]
+)
+@Target(AnnotationTarget.CLASS)
+@Retention(AnnotationRetention.RUNTIME)
+internal annotation class ExclusiveAudioCompatibility
+
@@ -0,0 +1,70 @@
+package app.revanced.patches.music.audio.exclusiveaudio.patch
+
+import app.revanced.patcher.annotation.Description
+import app.revanced.patcher.annotation.Name
+import app.revanced.patcher.annotation.Version
+import app.revanced.patcher.data.implementation.BytecodeData
+import app.revanced.patcher.extensions.or
+import app.revanced.patcher.patch.annotations.Patch
+import app.revanced.patcher.patch.implementation.BytecodePatch
+import app.revanced.patcher.patch.implementation.misc.PatchResult
+import app.revanced.patcher.patch.implementation.misc.PatchResultError
+import app.revanced.patcher.patch.implementation.misc.PatchResultSuccess
+import app.revanced.patcher.signature.implementation.method.MethodSignature
+import app.revanced.patcher.signature.implementation.method.annotation.DirectPatternScanMethod
+import app.revanced.patcher.signature.implementation.method.annotation.MatchingMethod
+import app.revanced.patcher.util.smali.toInstruction
+import app.revanced.patches.music.audio.exclusiveaudio.annotations.ExclusiveAudioCompatibility
+import app.revanced.patches.music.audio.exclusiveaudio.signatures.ExclusiveAudioSignature
+import org.jf.dexlib2.AccessFlags
+import org.jf.dexlib2.Opcode
+
+@Patch
+@Name("exclusive-audio-playback")
+@Description("Add the option to play music without video.")
+@ExclusiveAudioCompatibility
+@Version("0.0.1")
+class ExclusiveAudioPatch : BytecodePatch(
+    listOf(
+        ExclusiveAudioSignature
+    )
+) {
+    override fun execute(data: BytecodeData): PatchResult {
+        val result = signatures.first().result!!.findParentMethod(@Name("audio-only-enabler-method") @MatchingMethod(
+            "Lgmd;",
+            "d"
+        ) @DirectPatternScanMethod @ExclusiveAudioCompatibility @Version(
+            "0.0.1"
+        ) object : MethodSignature(
+            "Z", AccessFlags.PUBLIC or AccessFlags.FINAL, listOf(), listOf(
+                Opcode.IGET_OBJECT,
+                Opcode.INVOKE_INTERFACE,
+                Opcode.MOVE_RESULT_OBJECT,
+                Opcode.IGET_OBJECT,
+                Opcode.INVOKE_INTERFACE,
+                Opcode.MOVE_RESULT_OBJECT,
+                Opcode.INVOKE_VIRTUAL,
+                Opcode.MOVE_RESULT_OBJECT,
+                Opcode.CHECK_CAST,
+                Opcode.IF_NEZ,
+                Opcode.IGET_OBJECT,
+                Opcode.INVOKE_VIRTUAL,
+                Opcode.MOVE_RESULT,
+                Opcode.GOTO,
+                Opcode.INVOKE_VIRTUAL,
+                Opcode.MOVE_RESULT,
+                Opcode.RETURN
+            )
+        ) {}) ?: return PatchResultError("Required parent method could not be found.")
+
+        val implementation = result.method.implementation!!
+        implementation.replaceInstruction(
+            implementation.instructions.count() - 1, "const/4 v0, 0x1".toInstruction()
+        )
+        implementation.addInstruction(
+            "return v0".toInstruction()
+        )
+
+        return PatchResultSuccess()
+    }
+}
@@ -0,0 +1,60 @@
+package app.revanced.patches.music.audio.exclusiveaudio.signatures
+
+import app.revanced.patcher.annotation.Name
+import app.revanced.patcher.annotation.Version
+import app.revanced.patcher.extensions.or
+import app.revanced.patcher.signature.implementation.method.MethodSignature
+import app.revanced.patcher.signature.implementation.method.annotation.FuzzyPatternScanMethod
+import app.revanced.patcher.signature.implementation.method.annotation.MatchingMethod
+import app.revanced.patches.music.audio.exclusiveaudio.annotations.ExclusiveAudioCompatibility
+import org.jf.dexlib2.AccessFlags
+import org.jf.dexlib2.Opcode
+
+@Name("exclusive-audio-signature")
+@MatchingMethod(
+    "Lgmd;", "c"
+)
+@FuzzyPatternScanMethod(2) // FIXME: Test this threshold and find the best value.
+@ExclusiveAudioCompatibility
+@Version("0.0.1")
+object ExclusiveAudioSignature : MethodSignature(
+    "V",
+    AccessFlags.PUBLIC or AccessFlags.FINAL,
+    listOf("L", "Z"),
+    listOf(
+        Opcode.INVOKE_VIRTUAL,
+        Opcode.MOVE_RESULT_OBJECT,
+        Opcode.CHECK_CAST,
+        Opcode.INVOKE_VIRTUAL,
+        Opcode.MOVE_RESULT,
+        Opcode.IF_EQ,
+        Opcode.CONST_4,
+        Opcode.GOTO,
+        Opcode.NOP,
+        Opcode.IGET_OBJECT,
+        Opcode.INVOKE_INTERFACE,
+        Opcode.MOVE_RESULT_OBJECT,
+        Opcode.INVOKE_STATIC,
+        Opcode.MOVE_RESULT_OBJECT,
+        Opcode.INVOKE_VIRTUAL,
+        Opcode.IGET_OBJECT,
+        Opcode.INVOKE_VIRTUAL,
+        Opcode.MOVE_RESULT_OBJECT,
+        Opcode.INVOKE_INTERFACE,
+        Opcode.MOVE_RESULT,
+        Opcode.IF_EQZ,
+        Opcode.INVOKE_INTERFACE,
+        Opcode.MOVE_RESULT_OBJECT,
+        Opcode.CHECK_CAST,
+        Opcode.IF_EQZ,
+        Opcode.INVOKE_VIRTUAL,
+        Opcode.MOVE_RESULT_OBJECT,
+        Opcode.CHECK_CAST,
+        Opcode.IF_EQZ,
+        Opcode.IF_EQZ,
+        Opcode.INVOKE_INTERFACE,
+        Opcode.INVOKE_INTERFACE,
+        Opcode.GOTO,
+        Opcode.RETURN_VOID
+    )
+)
@@ -1,94 +0,0 @@
-package app.revanced.patches.music.layout
-
-import app.revanced.patcher.data.implementation.BytecodeData
-import app.revanced.patcher.extensions.addInstructions
-import app.revanced.patcher.extensions.or
-import app.revanced.patcher.patch.implementation.BytecodePatch
-import app.revanced.patcher.patch.implementation.metadata.PackageMetadata
-import app.revanced.patcher.patch.implementation.metadata.PatchMetadata
-import app.revanced.patcher.patch.implementation.misc.PatchResult
-import app.revanced.patcher.patch.implementation.misc.PatchResultSuccess
-import app.revanced.patcher.signature.MethodMetadata
-import app.revanced.patcher.signature.MethodSignature
-import app.revanced.patcher.signature.MethodSignatureMetadata
-import app.revanced.patcher.signature.PatternScanMethod
-import app.revanced.patcher.smali.toInstructions
-import org.jf.dexlib2.AccessFlags
-import org.jf.dexlib2.Opcode
-import org.jf.dexlib2.iface.instruction.formats.Instruction22c
-
-private val compatiblePackages = listOf(
-    PackageMetadata(
-        "com.google.android.apps.youtube.music",
-        listOf("5.03.50")
-    )
-)
-
-class RemoveTasteBuilderPatch : BytecodePatch(
-    PatchMetadata(
-        "tasteBuilder-remover",
-        "Remove TasteBuilder Patch",
-        "Removes the \"Tell us which artists you like\" card from the Home screen. The same functionality can be triggered from the settings anyway.",
-        compatiblePackages,
-        "0.0.1"
-    ),
-    listOf(
-        MethodSignature(
-            MethodSignatureMetadata(
-                "taste-builder-constructor",
-                MethodMetadata("Lkyu;", "<init>"),
-                PatternScanMethod.Fuzzy(2), // FIXME: Test this threshold and find the best value.
-                compatiblePackages,
-                "Required signature for this patch.",
-                "0.0.1"
-            ),
-            "V",
-            AccessFlags.PUBLIC or AccessFlags.CONSTRUCTOR,
-            listOf("L", "L", "L", "L"),
-            listOf(
-                Opcode.INVOKE_DIRECT,
-                Opcode.INVOKE_VIRTUAL,
-                Opcode.NEW_INSTANCE,
-                Opcode.INVOKE_DIRECT,
-                Opcode.IPUT_OBJECT,
-                Opcode.INVOKE_STATIC,
-                Opcode.MOVE_RESULT_OBJECT,
-                Opcode.CONST,
-                Opcode.CONST_4,
-                Opcode.INVOKE_VIRTUAL,
-                Opcode.MOVE_RESULT_OBJECT,
-                Opcode.IPUT_OBJECT,
-                Opcode.CONST,
-                Opcode.INVOKE_VIRTUAL,
-                Opcode.MOVE_RESULT_OBJECT,
-                Opcode.CHECK_CAST,
-                Opcode.IPUT_OBJECT,
-                Opcode.NEW_INSTANCE,
-                Opcode.INVOKE_DIRECT,
-                Opcode.IPUT_OBJECT
-            )
-        )
-    )
-) {
-    override fun execute(data: BytecodeData): PatchResult {
-        val result = signatures.first().result!!
-        val implementation = result.method.implementation!!
-
-        val insertIndex = result.scanData.endIndex - 8
-
-        val register = (implementation.instructions[insertIndex] as Instruction22c).registerA
-
-        val instructionList =
-            """
-                const/16 v1, 0x8
-                invoke-virtual {v${register}, v1}, Landroid/view/View;->setVisibility(I)V
-            """.trimIndent().toInstructions().toMutableList()
-
-        implementation.addInstructions(
-            insertIndex,
-            instructionList
-        )
-
-        return PatchResultSuccess()
-    }
-}
@@ -1,151 +0,0 @@
-package app.revanced.patches.music.layout
-
-import app.revanced.patcher.data.implementation.BytecodeData
-import app.revanced.patcher.extensions.addInstructions
-import app.revanced.patcher.extensions.or
-import app.revanced.patcher.patch.implementation.BytecodePatch
-import app.revanced.patcher.patch.implementation.metadata.PackageMetadata
-import app.revanced.patcher.patch.implementation.metadata.PatchMetadata
-import app.revanced.patcher.patch.implementation.misc.PatchResult
-import app.revanced.patcher.patch.implementation.misc.PatchResultSuccess
-import app.revanced.patcher.signature.MethodMetadata
-import app.revanced.patcher.signature.MethodSignature
-import app.revanced.patcher.signature.MethodSignatureMetadata
-import app.revanced.patcher.signature.PatternScanMethod
-import app.revanced.patcher.smali.toInstructions
-import org.jf.dexlib2.AccessFlags
-import org.jf.dexlib2.Opcode
-import org.jf.dexlib2.builder.instruction.BuilderInstruction22t
-import org.jf.dexlib2.iface.instruction.formats.Instruction22c
-import org.jf.dexlib2.iface.instruction.formats.Instruction35c
-
-private val compatiblePackages = listOf(
-    PackageMetadata(
-        "com.google.android.apps.youtube.music",
-        listOf("5.03.50")
-    )
-)
-
-class RemoveUpgradeTabPatch : BytecodePatch(
-    PatchMetadata(
-        "upgrade-tab-remover",
-        "Remove Upgrade Tab Patch",
-        "Remove the upgrade tab from t he pivot bar in YouTube music.",
-        compatiblePackages,
-        "0.0.1"
-    ),
-    listOf(
-        MethodSignature(
-            MethodSignatureMetadata(
-                "pivot-bar-constructor",
-                MethodMetadata("Lhfu;", "<init2>"), // unknown
-                PatternScanMethod.Fuzzy(2), // FIXME: Test this threshold and find the best value.
-                compatiblePackages,
-                "Required signature for this patch.",
-                "0.0.1"
-            ),
-            "V",
-            AccessFlags.PUBLIC or AccessFlags.CONSTRUCTOR,
-            listOf("L", "Z"),
-            listOf(
-                Opcode.INVOKE_DIRECT,
-                Opcode.CONST_4,
-                Opcode.IPUT_OBJECT,
-                Opcode.IPUT_OBJECT,
-                Opcode.IPUT_BOOLEAN,
-                Opcode.IGET_OBJECT,
-                Opcode.IF_NEZ,
-                Opcode.GOTO,
-                Opcode.NEW_INSTANCE,
-                Opcode.INVOKE_DIRECT,
-                Opcode.IGET_OBJECT,
-                Opcode.INVOKE_INTERFACE,
-                Opcode.MOVE_RESULT_OBJECT,
-                Opcode.INVOKE_INTERFACE,
-                Opcode.MOVE_RESULT,
-                Opcode.IF_EQZ,
-                Opcode.INVOKE_INTERFACE,
-                Opcode.MOVE_RESULT_OBJECT,
-                Opcode.CHECK_CAST,
-                Opcode.IGET,
-                Opcode.CONST,
-                Opcode.IF_NE,
-                Opcode.IGET_OBJECT,
-                Opcode.CHECK_CAST,
-                Opcode.GOTO,
-                Opcode.SGET_OBJECT,
-                Opcode.IGET_OBJECT,
-                Opcode.INVOKE_INTERFACE,
-                Opcode.MOVE_RESULT_OBJECT,
-                Opcode.INVOKE_INTERFACE,
-                Opcode.MOVE_RESULT,
-                Opcode.IF_EQZ,
-                Opcode.INVOKE_INTERFACE,
-                Opcode.MOVE_RESULT_OBJECT,
-                Opcode.CHECK_CAST,
-                Opcode.IGET,
-                Opcode.CONST,
-                Opcode.IF_NE,
-                Opcode.IGET_OBJECT,
-                Opcode.CHECK_CAST,
-                Opcode.INVOKE_INTERFACE,
-                Opcode.GOTO,
-                Opcode.NOP,
-                Opcode.IPUT_OBJECT,
-                Opcode.RETURN_VOID
-            )
-        )
-    )
-) {
-    override fun execute(data: BytecodeData): PatchResult {
-        val result = signatures.first().result!!
-        val implementation = result.method.implementation!!
-
-        val pivotBarElementFieldRef =
-            (implementation.instructions[result.scanData.endIndex - 1] as Instruction22c).reference
-
-        val register = (implementation.instructions.first() as Instruction35c).registerC
-        // first compile all the needed instructions
-        val instructionList =
-            """
-                invoke-interface { v0 }, Ljava/util/List;->size()I
-                move-result v1
-                const/4 v2, 0x3
-                invoke-interface {v0, v2}, Ljava/util/List;->remove(I)Ljava/lang/Object;
-                iput-object v0, v$register, $pivotBarElementFieldRef
-            """.trimIndent().toInstructions().toMutableList()
-
-
-        // replace the instruction to retain the label at given index
-        implementation.replaceInstruction(
-            result.scanData.endIndex - 1,
-            instructionList[0] // invoke-interface
-        )
-        // do not forget to remove this instruction since we added it already
-        instructionList.removeFirst()
-
-        val exitInstruction = instructionList.last() // iput-object
-        implementation.addInstruction(
-            result.scanData.endIndex,
-            exitInstruction
-        )
-        // do not forget to remove this instruction since we added it already
-        instructionList.removeLast()
-
-        // add the necessary if statement to remove the upgrade tab button in case it exists
-        instructionList.add(
-            2, // if-le
-            BuilderInstruction22t(
-                Opcode.IF_LE,
-                1, 2,
-                implementation.newLabelForIndex(result.scanData.endIndex)
-            )
-        )
-
-        implementation.addInstructions(
-            result.scanData.endIndex,
-            instructionList
-        )
-        return PatchResultSuccess()
-    }
-}
@@ -0,0 +1,14 @@
+package app.revanced.patches.music.layout.tastebuilder.annotations
+
+import app.revanced.patcher.annotation.Compatibility
+import app.revanced.patcher.annotation.Package
+
+@Compatibility(
+    [Package(
+        "com.google.android.apps.youtube.music", arrayOf("5.03.50")
+    )]
+)
+@Target(AnnotationTarget.CLASS)
+@Retention(AnnotationRetention.RUNTIME)
+internal annotation class RemoveTasteBuilderCompatibility
+
@@ -0,0 +1,46 @@
+package app.revanced.patches.music.layout.tastebuilder.patch
+
+import app.revanced.patcher.annotation.Description
+import app.revanced.patcher.annotation.Name
+import app.revanced.patcher.annotation.Version
+import app.revanced.patcher.data.implementation.BytecodeData
+import app.revanced.patcher.extensions.addInstructions
+import app.revanced.patcher.patch.annotations.Patch
+import app.revanced.patcher.patch.implementation.BytecodePatch
+import app.revanced.patcher.patch.implementation.misc.PatchResult
+import app.revanced.patcher.patch.implementation.misc.PatchResultSuccess
+import app.revanced.patcher.util.smali.toInstructions
+import app.revanced.patches.music.layout.tastebuilder.annotations.RemoveTasteBuilderCompatibility
+import app.revanced.patches.music.layout.tastebuilder.signatures.TasteBuilderConstructorSignature
+import org.jf.dexlib2.iface.instruction.formats.Instruction22c
+
+@Patch
+@Name("tasteBuilder-remover")
+@Description("Removes the \"Tell us which artists you like\" card from the Home screen. The same functionality can be triggered from the settings anyway.")
+@RemoveTasteBuilderCompatibility
+@Version("0.0.1")
+class RemoveTasteBuilderPatch : BytecodePatch(
+    listOf(
+        TasteBuilderConstructorSignature
+    )
+) {
+    override fun execute(data: BytecodeData): PatchResult {
+        val result = signatures.first().result!!
+        val implementation = result.method.implementation!!
+
+        val insertIndex = result.scanData.endIndex - 8
+
+        val register = (implementation.instructions[insertIndex] as Instruction22c).registerA
+
+        val instructionList = """
+                const/16 v1, 0x8
+                invoke-virtual {v${register}, v1}, Landroid/view/View;->setVisibility(I)V
+            """.trimIndent().toInstructions().toMutableList()
+
+        implementation.addInstructions(
+            insertIndex, instructionList
+        )
+
+        return PatchResultSuccess()
+    }
+}
@@ -0,0 +1,43 @@
+package app.revanced.patches.music.layout.tastebuilder.signatures
+
+import app.revanced.patcher.annotation.Name
+import app.revanced.patcher.annotation.Version
+import app.revanced.patcher.extensions.or
+import app.revanced.patcher.signature.implementation.method.MethodSignature
+import app.revanced.patcher.signature.implementation.method.annotation.FuzzyPatternScanMethod
+import app.revanced.patcher.signature.implementation.method.annotation.MatchingMethod
+import app.revanced.patches.music.layout.tastebuilder.annotations.RemoveTasteBuilderCompatibility
+import org.jf.dexlib2.AccessFlags
+import org.jf.dexlib2.Opcode
+
+@Name("taste-builder-constructor")
+@MatchingMethod(
+    "Lkyu;", "<init>"
+)
+@FuzzyPatternScanMethod(2) // FIXME: Test this threshold and find the best value.
+@RemoveTasteBuilderCompatibility
+@Version("0.0.1")
+object TasteBuilderConstructorSignature : MethodSignature(
+    "V", AccessFlags.PUBLIC or AccessFlags.CONSTRUCTOR, listOf("L", "L", "L", "L"), listOf(
+        Opcode.INVOKE_DIRECT,
+        Opcode.INVOKE_VIRTUAL,
+        Opcode.NEW_INSTANCE,
+        Opcode.INVOKE_DIRECT,
+        Opcode.IPUT_OBJECT,
+        Opcode.INVOKE_STATIC,
+        Opcode.MOVE_RESULT_OBJECT,
+        Opcode.CONST,
+        Opcode.CONST_4,
+        Opcode.INVOKE_VIRTUAL,
+        Opcode.MOVE_RESULT_OBJECT,
+        Opcode.IPUT_OBJECT,
+        Opcode.CONST,
+        Opcode.INVOKE_VIRTUAL,
+        Opcode.MOVE_RESULT_OBJECT,
+        Opcode.CHECK_CAST,
+        Opcode.IPUT_OBJECT,
+        Opcode.NEW_INSTANCE,
+        Opcode.INVOKE_DIRECT,
+        Opcode.IPUT_OBJECT
+    )
+)
@@ -0,0 +1,14 @@
+package app.revanced.patches.music.layout.upgradebutton.annotations
+
+import app.revanced.patcher.annotation.Compatibility
+import app.revanced.patcher.annotation.Package
+
+@Compatibility(
+    [Package(
+        "com.google.android.apps.youtube.music", arrayOf("5.03.50")
+    )]
+)
+@Target(AnnotationTarget.CLASS)
+@Retention(AnnotationRetention.RUNTIME)
+internal annotation class RemoveUpgradeButtonCompatibility
+
@@ -0,0 +1,76 @@
+package app.revanced.patches.music.layout.upgradebutton.patch
+
+import app.revanced.patcher.annotation.Description
+import app.revanced.patcher.annotation.Name
+import app.revanced.patcher.annotation.Version
+import app.revanced.patcher.data.implementation.BytecodeData
+import app.revanced.patcher.extensions.addInstructions
+import app.revanced.patcher.patch.annotations.Patch
+import app.revanced.patcher.patch.implementation.BytecodePatch
+import app.revanced.patcher.patch.implementation.misc.PatchResult
+import app.revanced.patcher.patch.implementation.misc.PatchResultSuccess
+import app.revanced.patcher.util.smali.toInstructions
+import app.revanced.patches.music.layout.upgradebutton.annotations.RemoveUpgradeButtonCompatibility
+import app.revanced.patches.music.layout.upgradebutton.signatures.PivotBarConstructorSignature
+import org.jf.dexlib2.Opcode
+import org.jf.dexlib2.builder.instruction.BuilderInstruction22t
+import org.jf.dexlib2.iface.instruction.formats.Instruction22c
+import org.jf.dexlib2.iface.instruction.formats.Instruction35c
+
+
+@Patch
+@Name("upgrade-button-remover")
+@Description("Remove the upgrade tab from t he pivot bar in YouTube music.")
+@RemoveUpgradeButtonCompatibility
+@Version("0.0.1")
+class RemoveUpgradeButtonPatch : BytecodePatch(
+    listOf(
+        PivotBarConstructorSignature
+    )
+) {
+    override fun execute(data: BytecodeData): PatchResult {
+        val result = signatures.first().result!!
+        val implementation = result.method.implementation!!
+
+        val pivotBarElementFieldRef =
+            (implementation.instructions[result.scanData.endIndex - 1] as Instruction22c).reference
+
+        val register = (implementation.instructions.first() as Instruction35c).registerC
+        // first compile all the needed instructions
+        val instructionList = """
+                invoke-interface { v0 }, Ljava/util/List;->size()I
+                move-result v1
+                const/4 v2, 0x3
+                invoke-interface {v0, v2}, Ljava/util/List;->remove(I)Ljava/lang/Object;
+                iput-object v0, v$register, $pivotBarElementFieldRef
+            """.trimIndent().toInstructions().toMutableList()
+
+
+        // replace the instruction to retain the label at given index
+        implementation.replaceInstruction(
+            result.scanData.endIndex - 1, instructionList[0] // invoke-interface
+        )
+        // do not forget to remove this instruction since we added it already
+        instructionList.removeFirst()
+
+        val exitInstruction = instructionList.last() // iput-object
+        implementation.addInstruction(
+            result.scanData.endIndex, exitInstruction
+        )
+        // do not forget to remove this instruction since we added it already
+        instructionList.removeLast()
+
+        // add the necessary if statement to remove the upgrade tab button in case it exists
+        instructionList.add(
+            2, // if-le
+            BuilderInstruction22t(
+                Opcode.IF_LE, 1, 2, implementation.newLabelForIndex(result.scanData.endIndex)
+            )
+        )
+
+        implementation.addInstructions(
+            result.scanData.endIndex, instructionList
+        )
+        return PatchResultSuccess()
+    }
+}
@@ -0,0 +1,71 @@
+package app.revanced.patches.music.layout.upgradebutton.signatures
+
+import app.revanced.patcher.annotation.Name
+import app.revanced.patcher.annotation.Version
+import app.revanced.patcher.extensions.or
+import app.revanced.patcher.signature.implementation.method.MethodSignature
+import app.revanced.patcher.signature.implementation.method.annotation.FuzzyPatternScanMethod
+import app.revanced.patcher.signature.implementation.method.annotation.MatchingMethod
+import app.revanced.patches.music.layout.upgradebutton.annotations.RemoveUpgradeButtonCompatibility
+import org.jf.dexlib2.AccessFlags
+import org.jf.dexlib2.Opcode
+
+@Name("pivot-bar-constructor")
+@MatchingMethod(
+    "Lhfu;", "<init2>"
+)
+@FuzzyPatternScanMethod(2) // FIXME: Test this threshold and find the best value.
+@RemoveUpgradeButtonCompatibility
+@Version("0.0.1")
+object PivotBarConstructorSignature : MethodSignature(
+    "V",
+    AccessFlags.PUBLIC or AccessFlags.CONSTRUCTOR,
+    listOf("L", "Z"),
+    listOf(
+        Opcode.INVOKE_DIRECT,
+        Opcode.CONST_4,
+        Opcode.IPUT_OBJECT,
+        Opcode.IPUT_OBJECT,
+        Opcode.IPUT_BOOLEAN,
+        Opcode.IGET_OBJECT,
+        Opcode.IF_NEZ,
+        Opcode.GOTO,
+        Opcode.NEW_INSTANCE,
+        Opcode.INVOKE_DIRECT,
+        Opcode.IGET_OBJECT,
+        Opcode.INVOKE_INTERFACE,
+        Opcode.MOVE_RESULT_OBJECT,
+        Opcode.INVOKE_INTERFACE,
+        Opcode.MOVE_RESULT,
+        Opcode.IF_EQZ,
+        Opcode.INVOKE_INTERFACE,
+        Opcode.MOVE_RESULT_OBJECT,
+        Opcode.CHECK_CAST,
+        Opcode.IGET,
+        Opcode.CONST,
+        Opcode.IF_NE,
+        Opcode.IGET_OBJECT,
+        Opcode.CHECK_CAST,
+        Opcode.GOTO,
+        Opcode.SGET_OBJECT,
+        Opcode.IGET_OBJECT,
+        Opcode.INVOKE_INTERFACE,
+        Opcode.MOVE_RESULT_OBJECT,
+        Opcode.INVOKE_INTERFACE,
+        Opcode.MOVE_RESULT,
+        Opcode.IF_EQZ,
+        Opcode.INVOKE_INTERFACE,
+        Opcode.MOVE_RESULT_OBJECT,
+        Opcode.CHECK_CAST,
+        Opcode.IGET,
+        Opcode.CONST,
+        Opcode.IF_NE,
+        Opcode.IGET_OBJECT,
+        Opcode.CHECK_CAST,
+        Opcode.INVOKE_INTERFACE,
+        Opcode.GOTO,
+        Opcode.NOP,
+        Opcode.IPUT_OBJECT,
+        Opcode.RETURN_VOID
+    )
+)
@@ -1,92 +0,0 @@
-package app.revanced.patches.music.premium
-
-import app.revanced.patcher.data.implementation.BytecodeData
-import app.revanced.patcher.extensions.addInstructions
-import app.revanced.patcher.extensions.or
-import app.revanced.patcher.patch.implementation.BytecodePatch
-import app.revanced.patcher.patch.implementation.metadata.PackageMetadata
-import app.revanced.patcher.patch.implementation.metadata.PatchMetadata
-import app.revanced.patcher.patch.implementation.misc.PatchResult
-import app.revanced.patcher.patch.implementation.misc.PatchResultSuccess
-import app.revanced.patcher.signature.MethodMetadata
-import app.revanced.patcher.signature.MethodSignature
-import app.revanced.patcher.signature.MethodSignatureMetadata
-import app.revanced.patcher.signature.PatternScanMethod
-import app.revanced.patcher.smali.toInstructions
-import org.jf.dexlib2.AccessFlags
-import org.jf.dexlib2.Opcode
-
-private val compatiblePackages = listOf(
-    PackageMetadata(
-        "com.google.android.apps.youtube.music",
-        listOf("5.03.50")
-    )
-)
-
-class BackgroundPlayPatch : BytecodePatch(
-    PatchMetadata(
-        "background-play",
-        "Enable Background Playback Patch",
-        "Enable playing music in the background.",
-        compatiblePackages,
-        "0.0.1"
-    ),
-    listOf(
-        MethodSignature(
-            MethodSignatureMetadata(
-                "background-playback-disabler-method",
-                MethodMetadata("Lafgf;", "e"),
-                PatternScanMethod.Fuzzy(2), // FIXME: Test this threshold and find the best value.
-                compatiblePackages,
-                "Signature for the method required to be patched.",
-                "0.0.1"
-            ),
-            "Z",
-            AccessFlags.PUBLIC or AccessFlags.STATIC,
-            listOf("L"),
-            listOf(
-                Opcode.CONST_4,
-                Opcode.IF_EQZ,
-                Opcode.IGET,
-                Opcode.AND_INT_LIT16,
-                Opcode.IF_EQZ,
-                Opcode.IGET_OBJECT,
-                Opcode.IF_NEZ,
-                Opcode.SGET_OBJECT,
-                Opcode.IGET,
-                Opcode.CONST,
-                Opcode.IF_NE,
-                Opcode.IGET_OBJECT,
-                Opcode.IF_NEZ,
-                Opcode.SGET_OBJECT,
-                Opcode.IGET,
-                Opcode.IF_NE,
-                Opcode.IGET_OBJECT,
-                Opcode.CHECK_CAST,
-                Opcode.GOTO,
-                Opcode.SGET_OBJECT,
-                Opcode.GOTO,
-                Opcode.CONST_4,
-                Opcode.IF_EQZ,
-                Opcode.IGET_BOOLEAN,
-                Opcode.IF_EQZ,
-                Opcode.CONST_4,
-                Opcode.RETURN,
-                Opcode.RETURN,
-                Opcode.RETURN
-            )
-        )
-    )
-) {
-    override fun execute(data: BytecodeData): PatchResult {
-        signatures.first().result!!.method.implementation!!.addInstructions(
-            0,
-            """
-                const/4 v0, 0x1
-                return v0
-            """.trimIndent().toInstructions()
-        )
-
-        return PatchResultSuccess()
-    }
-}
@@ -0,0 +1,14 @@
+package app.revanced.patches.music.premium.backgroundplay.annotations
+
+import app.revanced.patcher.annotation.Compatibility
+import app.revanced.patcher.annotation.Package
+
+@Compatibility(
+    [Package(
+        "com.google.android.apps.youtube.music", arrayOf("5.03.50")
+    )]
+)
+@Target(AnnotationTarget.CLASS)
+@Retention(AnnotationRetention.RUNTIME)
+internal annotation class BackgroundPlayCompatibility
+
@@ -0,0 +1,37 @@
+package app.revanced.patches.music.premium.backgroundplay.patch
+
+import app.revanced.patcher.annotation.Description
+import app.revanced.patcher.annotation.Name
+import app.revanced.patcher.annotation.Version
+import app.revanced.patcher.data.implementation.BytecodeData
+import app.revanced.patcher.extensions.addInstructions
+import app.revanced.patcher.patch.annotations.Patch
+import app.revanced.patcher.patch.implementation.BytecodePatch
+import app.revanced.patcher.patch.implementation.misc.PatchResult
+import app.revanced.patcher.patch.implementation.misc.PatchResultSuccess
+import app.revanced.patcher.util.smali.toInstructions
+import app.revanced.patches.music.premium.backgroundplay.annotations.BackgroundPlayCompatibility
+import app.revanced.patches.music.premium.backgroundplay.signatures.BackgroundPlaybackDisableSignature
+
+@Patch
+@Name("background-play")
+@Description("Enable playing music in the background.")
+@BackgroundPlayCompatibility
+@Version("0.0.1")
+class BackgroundPlayPatch : BytecodePatch(
+    listOf(
+        BackgroundPlaybackDisableSignature
+    )
+) {
+    override fun execute(data: BytecodeData): PatchResult {
+        signatures.first().result!!.method.implementation!!.addInstructions(
+            0,
+            """
+                const/4 v0, 0x1
+                return v0
+            """.trimIndent().toInstructions()
+        )
+
+        return PatchResultSuccess()
+    }
+}
@@ -0,0 +1,52 @@
+package app.revanced.patches.music.premium.backgroundplay.signatures
+
+import app.revanced.patcher.annotation.Name
+import app.revanced.patcher.annotation.Version
+import app.revanced.patcher.extensions.or
+import app.revanced.patcher.signature.implementation.method.MethodSignature
+import app.revanced.patcher.signature.implementation.method.annotation.FuzzyPatternScanMethod
+import app.revanced.patcher.signature.implementation.method.annotation.MatchingMethod
+import app.revanced.patches.music.premium.backgroundplay.annotations.BackgroundPlayCompatibility
+import org.jf.dexlib2.AccessFlags
+import org.jf.dexlib2.Opcode
+
+@Name("background-playback-disabler-signature")
+@MatchingMethod(
+    "Lafgf;", "e"
+)
+@FuzzyPatternScanMethod(2) // FIXME: Test this threshold and find the best value.
+@BackgroundPlayCompatibility
+@Version("0.0.1")
+object BackgroundPlaybackDisableSignature : MethodSignature(
+    "Z", AccessFlags.PUBLIC or AccessFlags.STATIC, listOf("L"), listOf(
+        Opcode.CONST_4,
+        Opcode.IF_EQZ,
+        Opcode.IGET,
+        Opcode.AND_INT_LIT16,
+        Opcode.IF_EQZ,
+        Opcode.IGET_OBJECT,
+        Opcode.IF_NEZ,
+        Opcode.SGET_OBJECT,
+        Opcode.IGET,
+        Opcode.CONST,
+        Opcode.IF_NE,
+        Opcode.IGET_OBJECT,
+        Opcode.IF_NEZ,
+        Opcode.SGET_OBJECT,
+        Opcode.IGET,
+        Opcode.IF_NE,
+        Opcode.IGET_OBJECT,
+        Opcode.CHECK_CAST,
+        Opcode.GOTO,
+        Opcode.SGET_OBJECT,
+        Opcode.GOTO,
+        Opcode.CONST_4,
+        Opcode.IF_EQZ,
+        Opcode.IGET_BOOLEAN,
+        Opcode.IF_EQZ,
+        Opcode.CONST_4,
+        Opcode.RETURN,
+        Opcode.RETURN,
+        Opcode.RETURN
+    )
+)