ParsableBitArray.smali

.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
    .registers 1

    .line 34
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    return-void
.end method

.method public constructor <init>([B)V
    .registers 3

    .line 42
    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
    .registers 3

    .line 51
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    .line 52
    iput-object p1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->data:[B

    .line 53
    iput p2, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteLimit:I

    return-void
.end method

.method private assertValidOffset()V
    .registers 4

    .line 182
    iget v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I

    if-ltz v0, :cond_16

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

    if-ltz v1, :cond_16

    const/16 v2, 0x8

    if-ge v1, v2, :cond_16

    iget v2, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteLimit:I

    if-lt v0, v2, :cond_14

    if-ne v0, v2, :cond_16

    if-nez v1, :cond_16

    :cond_14
    const/4 v0, 0x1

    goto :goto_17

    :cond_16
    const/4 v0, 0x0

    :goto_17
    invoke-static {v0}, Lcom/google/android/exoplayer2/util/Assertions;->checkState(Z)V

    return-void
.end method


# virtual methods
.method public bitsLeft()I
    .registers 3

    .line 82
    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 getPosition()I
    .registers 3

    .line 89
    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
    .registers 3

    const/4 v0, 0x1

    .line 124
    invoke-virtual {p0, v0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->readBits(I)I

    move-result v1

    if-ne v1, v0, :cond_8

    goto :goto_9

    :cond_8
    const/4 v0, 0x0

    :goto_9
    return v0
.end method

.method public readBits(I)I
    .registers 10

    const/4 v0, 0x0

    if-nez p1, :cond_4

    return v0

    .line 141
    :cond_4
    div-int/lit8 v1, p1, 0x8

    const/4 v2, 0x0

    :goto_7
    const/16 v3, 0xff

    if-ge v0, v1, :cond_36

    .line 144
    iget v4, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    if-eqz v4, :cond_22

    .line 145
    iget-object v5, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->data:[B

    iget v6, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I

    aget-byte v7, v5, v6

    and-int/2addr v7, v3

    shl-int/2addr v7, v4

    add-int/lit8 v6, v6, 0x1

    aget-byte v5, v5, v6

    and-int/2addr v5, v3

    rsub-int/lit8 v4, v4, 0x8

    ushr-int v4, v5, v4

    or-int/2addr v4, v7

    goto :goto_28

    .line 148
    :cond_22
    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

    :goto_28
    add-int/lit8 p1, p1, -0x8

    and-int/2addr v3, v4

    shl-int/2addr v3, p1

    or-int/2addr v2, v3

    .line 152
    iget v3, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I

    add-int/lit8 v3, v3, 0x1

    iput v3, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I

    add-int/lit8 v0, v0, 0x1

    goto :goto_7

    :cond_36
    if-lez p1, :cond_74

    .line 157
    iget v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    add-int/2addr v0, p1

    const/16 v1, 0x8

    rsub-int/lit8 p1, p1, 0x8

    shr-int p1, v3, p1

    int-to-byte p1, p1

    if-le v0, v1, :cond_5e

    .line 162
    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 v6, v4, v5

    and-int/2addr v6, v3

    add-int/lit8 v7, v0, -0x8

    shl-int/2addr v6, v7

    add-int/lit8 v7, v5, 0x1

    aget-byte v4, v4, v7

    and-int/2addr v3, v4

    rsub-int/lit8 v4, v0, 0x10

    shr-int/2addr v3, v4

    or-int/2addr v3, v6

    and-int/2addr p1, v3

    or-int/2addr p1, v2

    add-int/lit8 v5, v5, 0x1

    .line 164
    iput v5, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I

    goto :goto_70

    .line 167
    :cond_5e
    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/2addr v3, v4

    rsub-int/lit8 v4, v0, 0x8

    shr-int/2addr v3, v4

    and-int/2addr p1, v3

    or-int/2addr p1, v2

    if-ne v0, v1, :cond_70

    add-int/lit8 v5, v5, 0x1

    .line 169
    iput v5, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I

    :cond_70
    :goto_70
    move v2, p1

    .line 173
    rem-int/2addr v0, v1

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

    .line 176
    :cond_74
    invoke-direct {p0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->assertValidOffset()V

    return v2
.end method

.method public reset([B)V
    .registers 3

    .line 62
    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
    .registers 3

    .line 72
    iput-object p1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->data:[B

    const/4 p1, 0x0

    .line 73
    iput p1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I

    .line 74
    iput p1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    .line 75
    iput p2, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteLimit:I

    return-void
.end method

.method public setPosition(I)V
    .registers 3

    .line 98
    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 99
    iput p1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    .line 100
    invoke-direct {p0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->assertValidOffset()V

    return-void
.end method

.method public skipBits(I)V
    .registers 4

    .line 109
    iget v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I

    div-int/lit8 v1, p1, 0x8

    add-int/2addr v0, v1

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

    .line 110
    iget v1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    rem-int/lit8 p1, p1, 0x8

    add-int/2addr v1, p1

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

    const/4 p1, 0x7

    if-le v1, p1, :cond_19

    add-int/lit8 v0, v0, 0x1

    .line 112
    iput v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I

    add-int/lit8 v1, v1, -0x8

    .line 113
    iput v1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    .line 115
    :cond_19
    invoke-direct {p0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->assertValidOffset()V

    return-void
.end method