package androidx.media3.extractor.mp4; import androidx.media3.common.util.Assertions; import androidx.media3.common.util.Log; import androidx.media3.extractor.TrackOutput; /* loaded from: classes2.dex */ public final class TrackEncryptionBox { private static final String TAG = "TrackEncryptionBox"; public final TrackOutput.CryptoData cryptoData; public final byte[] defaultInitializationVector; public final boolean isEncrypted; public final int perSampleIvSize; public final String schemeType; public TrackEncryptionBox(boolean z, String str, int i, byte[] bArr, int i2, int i3, byte[] bArr2) { Assertions.checkArgument((bArr2 == null) ^ (i == 0)); this.isEncrypted = z; this.schemeType = str; this.perSampleIvSize = i; this.defaultInitializationVector = bArr2; this.cryptoData = new TrackOutput.CryptoData(schemeToCryptoMode(str), bArr, i2, i3); } private static int schemeToCryptoMode(String str) { if (str == null) { return 1; } str.hashCode(); char c = 65535; switch (str.hashCode()) { case 3046605: if (str.equals("cbc1")) { c = 0; break; } break; case 3046671: if (str.equals("cbcs")) { c = 1; break; } break; case 3049879: if (str.equals("cenc")) { c = 2; break; } break; case 3049895: if (str.equals("cens")) { c = 3; break; } break; } switch (c) { case 0: case 1: return 2; default: Log.w(TAG, "Unsupported protection scheme type '" + str + "'. Assuming AES-CTR crypto mode."); case 2: case 3: return 1; } } }