.class public final Lcom/google/android/exoplayer2/util/ParsableBitArray;
.super Ljava/lang/Object;
.source "ParsableBitArray.java"


# instance fields
.field private bitOffset:I

.field private byteLimit:I

.field private byteOffset:I

.field public data:[B


# direct methods
.method public constructor <init>()V
    .locals 0

    .line 1
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    return-void
.end method

.method public constructor <init>([B)V
    .locals 1

    .line 2
    array-length v0, p1

    invoke-direct {p0, p1, v0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;-><init>([BI)V

    return-void
.end method

.method public constructor <init>([BI)V
    .locals 0

    .line 3
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    .line 4
    iput-object p1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->data:[B

    .line 5
    iput p2, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteLimit:I

    return-void
.end method

.method private assertValidOffset()V
    .locals 2

    .line 1
    iget v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I

    if-ltz v0, :cond_1

    iget v1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteLimit:I

    if-lt v0, v1, :cond_0

    if-ne v0, v1, :cond_1

    iget v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    if-nez v0, :cond_1

    :cond_0
    const/4 v0, 0x1

    goto :goto_0

    :cond_1
    const/4 v0, 0x0

    :goto_0
    invoke-static {v0}, Lcom/google/android/exoplayer2/util/Assertions;->checkState(Z)V

    return-void
.end method


# virtual methods
.method public bitsLeft()I
    .locals 2

    .line 1
    iget v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteLimit:I

    iget v1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I

    sub-int/2addr v0, v1

    mul-int/lit8 v0, v0, 0x8

    iget v1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    sub-int/2addr v0, v1

    return v0
.end method

.method public byteAlign()V
    .locals 1

    .line 1
    iget v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    if-nez v0, :cond_0

    return-void

    :cond_0
    const/4 v0, 0x0

    .line 2
    iput v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    .line 3
    iget v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I

    add-int/lit8 v0, v0, 0x1

    iput v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I

    .line 4
    invoke-direct {p0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->assertValidOffset()V

    return-void
.end method

.method public getBytePosition()I
    .locals 1

    .line 1
    iget v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    if-nez v0, :cond_0

    const/4 v0, 0x1

    goto :goto_0

    :cond_0
    const/4 v0, 0x0

    :goto_0
    invoke-static {v0}, Lcom/google/android/exoplayer2/util/Assertions;->checkState(Z)V

    .line 2
    iget v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I

    return v0
.end method

.method public getPosition()I
    .locals 2

    .line 1
    iget v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I

    mul-int/lit8 v0, v0, 0x8

    iget v1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    add-int/2addr v0, v1

    return v0
.end method

.method public readBit()Z
    .locals 3

    .line 1
    iget-object v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->data:[B

    iget v1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I

    aget-byte v0, v0, v1

    iget v1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    const/16 v2, 0x80

    shr-int v1, v2, v1

    and-int/2addr v0, v1

    if-eqz v0, :cond_0

    const/4 v0, 0x1

    goto :goto_0

    :cond_0
    const/4 v0, 0x0

    .line 2
    :goto_0
    invoke-virtual {p0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->skipBit()V

    return v0
.end method

.method public readBits(I)I
    .locals 7

    .line 1
    iget v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    add-int/2addr v0, p1

    iput v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    const/4 v0, 0x0

    move v1, v0

    .line 2
    :goto_0
    iget v2, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    const/16 v3, 0x8

    if-le v2, v3, :cond_0

    add-int/lit8 v2, v2, -0x8

    .line 3
    iput v2, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    .line 4
    iget-object v3, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->data:[B

    iget v4, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I

    add-int/lit8 v5, v4, 0x1

    iput v5, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I

    aget-byte v3, v3, v4

    and-int/lit16 v3, v3, 0xff

    shl-int v2, v3, v2

    or-int/2addr v1, v2

    goto :goto_0

    .line 5
    :cond_0
    iget-object v4, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->data:[B

    iget v5, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I

    aget-byte v4, v4, v5

    and-int/lit16 v4, v4, 0xff

    rsub-int/lit8 v6, v2, 0x8

    shr-int/2addr v4, v6

    or-int/2addr v1, v4

    const/4 v4, -0x1

    rsub-int/lit8 p1, p1, 0x20

    ushr-int p1, v4, p1

    and-int/2addr p1, v1

    if-ne v2, v3, :cond_1

    .line 6
    iput v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    add-int/lit8 v5, v5, 0x1

    .line 7
    iput v5, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I

    .line 8
    :cond_1
    invoke-direct {p0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->assertValidOffset()V

    return p1
.end method

.method public readBytes([BII)V
    .locals 2

    .line 1
    iget v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    if-nez v0, :cond_0

    const/4 v0, 0x1

    goto :goto_0

    :cond_0
    const/4 v0, 0x0

    :goto_0
    invoke-static {v0}, Lcom/google/android/exoplayer2/util/Assertions;->checkState(Z)V

    .line 2
    iget-object v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->data:[B

    iget v1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I

    invoke-static {v0, v1, p1, p2, p3}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 3
    iget p1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I

    add-int/2addr p1, p3

    iput p1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I

    .line 4
    invoke-direct {p0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->assertValidOffset()V

    return-void
.end method

.method public reset([B)V
    .locals 1

    .line 1
    array-length v0, p1

    invoke-virtual {p0, p1, v0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->reset([BI)V

    return-void
.end method

.method public reset([BI)V
    .locals 0

    .line 2
    iput-object p1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->data:[B

    const/4 p1, 0x0

    .line 3
    iput p1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I

    .line 4
    iput p1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    .line 5
    iput p2, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteLimit:I

    return-void
.end method

.method public setPosition(I)V
    .locals 1

    .line 1
    div-int/lit8 v0, p1, 0x8

    iput v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I

    mul-int/lit8 v0, v0, 0x8

    sub-int/2addr p1, v0

    .line 2
    iput p1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    .line 3
    invoke-direct {p0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->assertValidOffset()V

    return-void
.end method

.method public skipBit()V
    .locals 2

    .line 1
    iget v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    add-int/lit8 v0, v0, 0x1

    iput v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    const/16 v1, 0x8

    if-ne v0, v1, :cond_0

    const/4 v0, 0x0

    .line 2
    iput v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    .line 3
    iget v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I

    add-int/lit8 v0, v0, 0x1

    iput v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I

    .line 4
    :cond_0
    invoke-direct {p0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->assertValidOffset()V

    return-void
.end method

.method public skipBits(I)V
    .locals 3

    .line 1
    div-int/lit8 v0, p1, 0x8

    .line 2
    iget v1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I

    add-int/2addr v1, v0

    iput v1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I

    .line 3
    iget v2, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    mul-int/lit8 v0, v0, 0x8

    sub-int/2addr p1, v0

    add-int/2addr p1, v2

    iput p1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    const/4 v0, 0x7

    if-le p1, v0, :cond_0

    add-int/lit8 v1, v1, 0x1

    .line 4
    iput v1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I

    add-int/lit8 p1, p1, -0x8

    .line 5
    iput p1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    .line 6
    :cond_0
    invoke-direct {p0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->assertValidOffset()V

    return-void
.end method

.method public skipBytes(I)V
    .locals 1

    .line 1
    iget v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    if-nez v0, :cond_0

    const/4 v0, 0x1

    goto :goto_0

    :cond_0
    const/4 v0, 0x0

    :goto_0
    invoke-static {v0}, Lcom/google/android/exoplayer2/util/Assertions;->checkState(Z)V

    .line 2
    iget v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I

    add-int/2addr v0, p1

    iput v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I

    .line 3
    invoke-direct {p0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->assertValidOffset()V

    return-void
.end method