ParsableBitArray.smali

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


# 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 3

    .line 268
    iget v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I

    if-ltz v0, :cond_10

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

    if-lt v0, v1, :cond_e

    if-ne v0, v1, :cond_10

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

    if-nez v0, :cond_10

    :cond_e
    const/4 v0, 0x1

    goto :goto_11

    :cond_10
    const/4 v0, 0x0

    :goto_11
    invoke-static {v0}, Lcom/google/android/exoplayer2/util/Assertions;->checkState(Z)V

    return-void
.end method


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

    .line 93
    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 final byteAlign()V
    .registers 2

    .line 229
    iget v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    if-nez v0, :cond_5

    return-void

    :cond_5
    const/4 v0, 0x0

    .line 232
    iput v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    .line 233
    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 234
    invoke-direct {p0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->assertValidOffset()V

    return-void
.end method

.method public final getBytePosition()I
    .registers 2

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

    if-nez v0, :cond_6

    const/4 v0, 0x1

    goto :goto_7

    :cond_6
    const/4 v0, 0x0

    :goto_7
    invoke-static {v0}, Lcom/google/android/exoplayer2/util/Assertions;->checkState(Z)V

    .line 110
    iget v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I

    return v0
.end method

.method public final getPosition()I
    .registers 3

    .line 100
    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 final readBit()Z
    .registers 4

    .line 157
    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_11

    const/4 v0, 0x1

    goto :goto_12

    :cond_11
    const/4 v0, 0x0

    .line 158
    :goto_12
    invoke-virtual {p0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->skipBit()V

    return v0
.end method

.method public final readBits(I)I
    .registers 9

    const/4 v0, 0x0

    if-nez p1, :cond_4

    return v0

    .line 173
    :cond_4
    iget v1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    add-int/2addr v1, p1

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

    const/4 v1, 0x0

    .line 174
    :goto_a
    iget v2, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    const/16 v3, 0x8

    if-le v2, v3, :cond_24

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

    .line 175
    iput v2, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    .line 176
    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_a

    .line 178
    :cond_24
    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_3e

    .line 181
    iput v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    add-int/lit8 v5, v5, 0x1

    .line 182
    iput v5, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I

    .line 184
    :cond_3e
    invoke-direct {p0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->assertValidOffset()V

    return p1
.end method

.method public final readBits([BII)V
    .registers 11

    shr-int/lit8 v0, p3, 0x3

    add-int/2addr v0, p2

    :goto_3
    const/16 v1, 0xff

    const/16 v2, 0x8

    if-ge p2, v0, :cond_27

    .line 201
    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 v4, v3, v4

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

    shl-int/2addr v4, v6

    int-to-byte v4, v4

    aput-byte v4, p1, p2

    .line 202
    aget-byte v4, p1, p2

    aget-byte v3, v3, v5

    and-int/2addr v1, v3

    sub-int/2addr v2, v6

    shr-int/2addr v1, v2

    or-int/2addr v1, v4

    int-to-byte v1, v1

    aput-byte v1, p1, p2

    add-int/lit8 p2, p2, 0x1

    goto :goto_3

    :cond_27
    and-int/lit8 p2, p3, 0x7

    if-nez p2, :cond_2c

    return-void

    .line 209
    :cond_2c
    aget-byte p3, p1, v0

    shr-int v3, v1, p2

    and-int/2addr p3, v3

    int-to-byte p3, p3

    aput-byte p3, p1, v0

    .line 210
    iget p3, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    add-int v3, p3, p2

    if-le v3, v2, :cond_50

    .line 212
    aget-byte v3, p1, v0

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

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

    add-int/lit8 v6, v5, 0x1

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

    aget-byte v4, v4, v5

    and-int/2addr v4, v1

    shl-int/2addr v4, p3

    int-to-byte v4, v4

    or-int/2addr v3, v4

    int-to-byte v3, v3

    aput-byte v3, p1, v0

    sub-int/2addr p3, v2

    .line 213
    iput p3, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    .line 215
    :cond_50
    iget p3, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    add-int/2addr p3, p2

    iput p3, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    .line 216
    iget-object v3, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->data:[B

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

    aget-byte v3, v3, v4

    and-int/2addr v1, v3

    rsub-int/lit8 v3, p3, 0x8

    shr-int/2addr v1, v3

    .line 217
    aget-byte v3, p1, v0

    rsub-int/lit8 p2, p2, 0x8

    shl-int p2, v1, p2

    int-to-byte p2, p2

    or-int/2addr p2, v3

    int-to-byte p2, p2

    aput-byte p2, p1, v0

    if-ne p3, v2, :cond_73

    const/4 p1, 0x0

    .line 219
    iput p1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    add-int/lit8 v4, v4, 0x1

    .line 220
    iput v4, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I

    .line 222
    :cond_73
    invoke-direct {p0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->assertValidOffset()V

    return-void
.end method

.method public final readBytes([BII)V
    .registers 6

    .line 248
    iget v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    if-nez v0, :cond_6

    const/4 v0, 0x1

    goto :goto_7

    :cond_6
    const/4 v0, 0x0

    :goto_7
    invoke-static {v0}, Lcom/google/android/exoplayer2/util/Assertions;->checkState(Z)V

    .line 249
    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 250
    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 251
    invoke-direct {p0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->assertValidOffset()V

    return-void
.end method

.method public final reset(Lcom/google/android/exoplayer2/util/ParsableByteArray;)V
    .registers 4

    .line 72
    iget-object v0, p1, Lcom/google/android/exoplayer2/util/ParsableByteArray;->data:[B

    invoke-virtual {p1}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->limit()I

    move-result v1

    invoke-virtual {p0, v0, v1}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->reset([BI)V

    .line 73
    invoke-virtual {p1}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->getPosition()I

    move-result p1

    mul-int/lit8 p1, p1, 0x8

    invoke-virtual {p0, p1}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->setPosition(I)V

    return-void
.end method

.method public final 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 final reset([BI)V
    .registers 3

    .line 83
    iput-object p1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->data:[B

    const/4 p1, 0x0

    .line 84
    iput p1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I

    .line 85
    iput p1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    .line 86
    iput p2, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteLimit:I

    return-void
.end method

.method public final setPosition(I)V
    .registers 3

    .line 119
    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 120
    iput p1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    .line 121
    invoke-direct {p0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->assertValidOffset()V

    return-void
.end method

.method public final skipBit()V
    .registers 3

    .line 128
    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_13

    const/4 v0, 0x0

    .line 129
    iput v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    .line 130
    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 132
    :cond_13
    invoke-direct {p0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->assertValidOffset()V

    return-void
.end method

.method public final skipBits(I)V
    .registers 5

    .line 141
    div-int/lit8 v0, p1, 0x8

    .line 142
    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 143
    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 v2, p1

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

    const/4 p1, 0x7

    if-le v2, p1, :cond_1a

    add-int/lit8 v1, v1, 0x1

    .line 145
    iput v1, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->byteOffset:I

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

    .line 146
    iput v2, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    .line 148
    :cond_1a
    invoke-direct {p0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->assertValidOffset()V

    return-void
.end method

.method public final skipBytes(I)V
    .registers 3

    .line 261
    iget v0, p0, Lcom/google/android/exoplayer2/util/ParsableBitArray;->bitOffset:I

    if-nez v0, :cond_6

    const/4 v0, 0x1

    goto :goto_7

    :cond_6
    const/4 v0, 0x0

    :goto_7
    invoke-static {v0}, Lcom/google/android/exoplayer2/util/Assertions;->checkState(Z)V

    .line 262
    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 263
    invoke-direct {p0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->assertValidOffset()V

    return-void
.end method