mirror of
https://github.com/inotia00/revanced-patches.git
synced 2025-05-04 00:24:34 +02:00
56 lines
2.5 KiB
Kotlin
56 lines
2.5 KiB
Kotlin
package app.revanced.patches.shared.opus
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import app.revanced.patcher.data.BytecodeContext
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import app.revanced.patcher.extensions.InstructionExtensions.addInstructionsWithLabels
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import app.revanced.patcher.extensions.InstructionExtensions.getInstruction
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import app.revanced.patcher.patch.BytecodePatch
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import app.revanced.patcher.util.smali.ExternalLabel
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import app.revanced.patches.shared.opus.fingerprints.CodecReferenceFingerprint
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import app.revanced.patches.shared.opus.fingerprints.CodecSelectorFingerprint
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import app.revanced.util.getTargetIndexWithReference
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import app.revanced.util.resultOrThrow
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import com.android.tools.smali.dexlib2.iface.instruction.OneRegisterInstruction
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import com.android.tools.smali.dexlib2.iface.instruction.ReferenceInstruction
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import com.android.tools.smali.dexlib2.iface.reference.Reference
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@Deprecated("This patch is generally not required for the latest versions of YouTube and YouTube Music." +
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"For YouTube Music, if user spoofs the app version to v4.27.53, mp4a codec is still used, this is the patch for some of these users.")
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abstract class BaseOpusCodecsPatch(
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private val descriptor: String
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) : BytecodePatch(
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setOf(
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CodecReferenceFingerprint,
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CodecSelectorFingerprint
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)
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) {
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private lateinit var opusCodecReference: Reference
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override fun execute(context: BytecodeContext) {
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CodecReferenceFingerprint.resultOrThrow().let {
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it.mutableMethod.apply {
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val targetIndex = getTargetIndexWithReference("Ljava/util/Set;")
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opusCodecReference = getInstruction<ReferenceInstruction>(targetIndex).reference
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}
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}
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CodecSelectorFingerprint.resultOrThrow().let {
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it.mutableMethod.apply {
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val freeRegister = implementation!!.registerCount - parameters.size - 2
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val targetIndex = it.scanResult.patternScanResult!!.endIndex
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val targetRegister = getInstruction<OneRegisterInstruction>(targetIndex).registerA
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addInstructionsWithLabels(
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targetIndex + 1, """
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invoke-static {}, $descriptor
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move-result v$freeRegister
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if-eqz v$freeRegister, :mp4a
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invoke-static {}, $opusCodecReference
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move-result-object v$targetRegister
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""", ExternalLabel("mp4a", getInstruction(targetIndex + 1))
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)
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}
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}
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}
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}
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