492 lines
10 KiB
Smali
492 lines
10 KiB
Smali
.class public final Lcom/google/android/exoplayer2/util/ParsableBitArray;
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.super Ljava/lang/Object;
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.source "ParsableBitArray.java"
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# instance fields
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.field private bitOffset:I
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.field private byteLimit:I
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.field private byteOffset:I
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.field public data:[B
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# direct methods
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.method public constructor <init>()V
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.locals 0
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.line 1
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invoke-direct {p0}, Ljava/lang/Object;-><init>()V
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return-void
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.end method
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.method public constructor <init>([B)V
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.locals 1
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.line 2
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array-length v0, p1
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invoke-direct {p0, p1, v0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;-><init>([BI)V
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return-void
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.end method
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.method public constructor <init>([BI)V
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.locals 0
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.line 3
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invoke-direct {p0}, Ljava/lang/Object;-><init>()V
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.line 4
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iput-object p1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->data:[B
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.line 5
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iput p2, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteLimit:I
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return-void
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.end method
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.method private assertValidOffset()V
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.locals 2
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.line 1
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iget v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I
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if-ltz v0, :cond_1
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iget v1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteLimit:I
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if-lt v0, v1, :cond_0
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if-ne v0, v1, :cond_1
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iget v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I
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if-nez v0, :cond_1
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:cond_0
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const/4 v0, 0x1
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goto :goto_0
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:cond_1
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const/4 v0, 0x0
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:goto_0
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invoke-static {v0}, Lcom/google/android/exoplayer2/util/Assertions;->checkState(Z)V
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return-void
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.end method
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# virtual methods
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.method public bitsLeft()I
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.locals 2
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.line 1
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iget v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteLimit:I
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iget v1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I
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sub-int/2addr v0, v1
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mul-int/lit8 v0, v0, 0x8
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iget v1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I
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sub-int/2addr v0, v1
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return v0
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.end method
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.method public byteAlign()V
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.locals 1
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.line 1
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iget v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I
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if-nez v0, :cond_0
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return-void
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:cond_0
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const/4 v0, 0x0
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.line 2
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iput v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I
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.line 3
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iget v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I
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add-int/lit8 v0, v0, 0x1
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iput v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I
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.line 4
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invoke-direct {p0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->assertValidOffset()V
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return-void
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.end method
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.method public getBytePosition()I
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.locals 1
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.line 1
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iget v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I
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if-nez v0, :cond_0
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const/4 v0, 0x1
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goto :goto_0
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:cond_0
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const/4 v0, 0x0
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:goto_0
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invoke-static {v0}, Lcom/google/android/exoplayer2/util/Assertions;->checkState(Z)V
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.line 2
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iget v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I
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return v0
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.end method
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.method public getPosition()I
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.locals 2
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.line 1
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iget v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I
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mul-int/lit8 v0, v0, 0x8
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iget v1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I
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add-int/2addr v0, v1
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return v0
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.end method
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.method public readBit()Z
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.locals 3
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.line 1
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iget-object v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->data:[B
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iget v1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I
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aget-byte v0, v0, v1
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iget v1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I
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const/16 v2, 0x80
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shr-int v1, v2, v1
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and-int/2addr v0, v1
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if-eqz v0, :cond_0
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const/4 v0, 0x1
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goto :goto_0
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:cond_0
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const/4 v0, 0x0
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.line 2
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:goto_0
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invoke-virtual {p0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->skipBit()V
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return v0
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.end method
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.method public readBits(I)I
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.locals 7
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.line 1
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iget v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I
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add-int/2addr v0, p1
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iput v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I
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const/4 v0, 0x0
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move v1, v0
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.line 2
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:goto_0
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iget v2, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I
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const/16 v3, 0x8
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if-le v2, v3, :cond_0
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add-int/lit8 v2, v2, -0x8
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.line 3
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iput v2, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I
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.line 4
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iget-object v3, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->data:[B
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iget v4, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I
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add-int/lit8 v5, v4, 0x1
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iput v5, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I
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aget-byte v3, v3, v4
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and-int/lit16 v3, v3, 0xff
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shl-int v2, v3, v2
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or-int/2addr v1, v2
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goto :goto_0
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.line 5
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:cond_0
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iget-object v4, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->data:[B
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iget v5, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I
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aget-byte v4, v4, v5
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and-int/lit16 v4, v4, 0xff
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rsub-int/lit8 v6, v2, 0x8
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shr-int/2addr v4, v6
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or-int/2addr v1, v4
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const/4 v4, -0x1
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rsub-int/lit8 p1, p1, 0x20
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ushr-int p1, v4, p1
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and-int/2addr p1, v1
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if-ne v2, v3, :cond_1
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.line 6
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iput v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I
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add-int/lit8 v5, v5, 0x1
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.line 7
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iput v5, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I
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.line 8
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:cond_1
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invoke-direct {p0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->assertValidOffset()V
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return p1
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.end method
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.method public readBytes([BII)V
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.locals 2
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.line 1
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iget v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I
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if-nez v0, :cond_0
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const/4 v0, 0x1
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goto :goto_0
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:cond_0
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const/4 v0, 0x0
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:goto_0
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invoke-static {v0}, Lcom/google/android/exoplayer2/util/Assertions;->checkState(Z)V
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.line 2
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iget-object v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->data:[B
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iget v1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I
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invoke-static {v0, v1, p1, p2, p3}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V
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.line 3
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iget p1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I
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add-int/2addr p1, p3
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iput p1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I
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.line 4
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invoke-direct {p0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->assertValidOffset()V
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return-void
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.end method
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.method public reset([B)V
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.locals 1
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.line 1
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array-length v0, p1
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invoke-virtual {p0, p1, v0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->reset([BI)V
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return-void
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.end method
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.method public reset([BI)V
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.locals 0
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.line 2
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iput-object p1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->data:[B
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const/4 p1, 0x0
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.line 3
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iput p1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I
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.line 4
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iput p1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I
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.line 5
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iput p2, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteLimit:I
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return-void
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.end method
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.method public setPosition(I)V
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.locals 1
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.line 1
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div-int/lit8 v0, p1, 0x8
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iput v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I
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mul-int/lit8 v0, v0, 0x8
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sub-int/2addr p1, v0
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.line 2
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iput p1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I
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.line 3
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invoke-direct {p0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->assertValidOffset()V
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return-void
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.end method
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.method public skipBit()V
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.locals 2
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.line 1
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iget v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I
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add-int/lit8 v0, v0, 0x1
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iput v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I
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const/16 v1, 0x8
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if-ne v0, v1, :cond_0
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const/4 v0, 0x0
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.line 2
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iput v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I
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.line 3
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iget v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I
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add-int/lit8 v0, v0, 0x1
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iput v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I
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.line 4
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:cond_0
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invoke-direct {p0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->assertValidOffset()V
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return-void
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.end method
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.method public skipBits(I)V
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.locals 3
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.line 1
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div-int/lit8 v0, p1, 0x8
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.line 2
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iget v1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I
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add-int/2addr v1, v0
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iput v1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I
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.line 3
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iget v2, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I
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mul-int/lit8 v0, v0, 0x8
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sub-int/2addr p1, v0
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add-int/2addr p1, v2
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iput p1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I
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const/4 v0, 0x7
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if-le p1, v0, :cond_0
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add-int/lit8 v1, v1, 0x1
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.line 4
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iput v1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I
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add-int/lit8 p1, p1, -0x8
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.line 5
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iput p1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I
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.line 6
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:cond_0
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invoke-direct {p0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->assertValidOffset()V
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return-void
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.end method
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.method public skipBytes(I)V
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.locals 1
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.line 1
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iget v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I
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if-nez v0, :cond_0
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const/4 v0, 0x1
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goto :goto_0
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:cond_0
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const/4 v0, 0x0
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:goto_0
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invoke-static {v0}, Lcom/google/android/exoplayer2/util/Assertions;->checkState(Z)V
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.line 2
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iget v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I
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add-int/2addr v0, p1
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iput v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I
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.line 3
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invoke-direct {p0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->assertValidOffset()V
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return-void
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.end method
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