OggPacket.smali

.class final Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;
.super Ljava/lang/Object;
.source "OggPacket.java"


# instance fields
.field private currentSegmentIndex:I

.field private final packetArray:Lcom/google/android/exoplayer2/util/ParsableByteArray;

.field private final pageHeader:Lcom/google/android/exoplayer2/extractor/ogg/OggPageHeader;

.field private populated:Z

.field private segmentCount:I


# direct methods
.method static constructor <clinit>()V
    .registers 1

    return-void
.end method

.method constructor <init>()V
    .registers 4

    .line 29
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    .line 31
    new-instance v0, Lcom/google/android/exoplayer2/extractor/ogg/OggPageHeader;

    invoke-direct {v0}, Lcom/google/android/exoplayer2/extractor/ogg/OggPageHeader;-><init>()V

    iput-object v0, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->pageHeader:Lcom/google/android/exoplayer2/extractor/ogg/OggPageHeader;

    .line 32
    new-instance v0, Lcom/google/android/exoplayer2/util/ParsableByteArray;

    const v1, 0xfe01

    new-array v1, v1, [B

    const/4 v2, 0x0

    invoke-direct {v0, v1, v2}, Lcom/google/android/exoplayer2/util/ParsableByteArray;-><init>([BI)V

    iput-object v0, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->packetArray:Lcom/google/android/exoplayer2/util/ParsableByteArray;

    .line 35
    const/4 v0, -0x1

    iput v0, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->currentSegmentIndex:I

    return-void
.end method

.method private calculatePacketSize(I)I
    .registers 6
    .param p1, "startSegmentIndex"    # I

    .line 144
    const/4 v0, 0x0

    iput v0, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->segmentCount:I

    .line 145
    const/4 v0, 0x0

    .line 146
    .local v0, "size":I
    :goto_4
    iget v1, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->segmentCount:I

    add-int/2addr v1, p1

    iget-object v2, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->pageHeader:Lcom/google/android/exoplayer2/extractor/ogg/OggPageHeader;

    iget v2, v2, Lcom/google/android/exoplayer2/extractor/ogg/OggPageHeader;->pageSegmentCount:I

    if-ge v1, v2, :cond_21

    .line 147
    iget-object v1, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->pageHeader:Lcom/google/android/exoplayer2/extractor/ogg/OggPageHeader;

    iget-object v1, v1, Lcom/google/android/exoplayer2/extractor/ogg/OggPageHeader;->laces:[I

    iget v2, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->segmentCount:I

    add-int/lit8 v3, v2, 0x1

    iput v3, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->segmentCount:I

    add-int/2addr v2, p1

    aget v1, v1, v2

    .line 148
    .local v1, "segmentLength":I
    add-int/2addr v0, v1

    .line 149
    const/16 v2, 0xff

    if-eq v1, v2, :cond_20

    .line 151
    goto :goto_21

    .line 153
    .end local v1    # "segmentLength":I
    :cond_20
    goto :goto_4

    .line 154
    :cond_21
    :goto_21
    return v0
.end method


# virtual methods
.method public getPageHeader()Lcom/google/android/exoplayer2/extractor/ogg/OggPageHeader;
    .registers 2

    .line 116
    iget-object v0, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->pageHeader:Lcom/google/android/exoplayer2/extractor/ogg/OggPageHeader;

    return-object v0
.end method

.method public getPayload()Lcom/google/android/exoplayer2/util/ParsableByteArray;
    .registers 2

    .line 123
    iget-object v0, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->packetArray:Lcom/google/android/exoplayer2/util/ParsableByteArray;

    return-object v0
.end method

.method public populate(Lcom/google/android/exoplayer2/extractor/ExtractorInput;)Z
    .registers 9
    .param p1, "input"    # Lcom/google/android/exoplayer2/extractor/ExtractorInput;
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;,
            Ljava/lang/InterruptedException;
        }
    .end annotation

    .line 62
    const/4 v0, 0x0

    const/4 v1, 0x1

    if-eqz p1, :cond_6

    const/4 v2, 0x1

    goto :goto_7

    :cond_6
    const/4 v2, 0x0

    :goto_7
    invoke-static {v2}, Lcom/google/android/exoplayer2/util/Assertions;->checkState(Z)V

    .line 64
    iget-boolean v2, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->populated:Z

    if-eqz v2, :cond_15

    .line 65
    iput-boolean v0, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->populated:Z

    .line 66
    iget-object v2, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->packetArray:Lcom/google/android/exoplayer2/util/ParsableByteArray;

    invoke-virtual {v2}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->reset()V

    .line 69
    :cond_15
    :goto_15
    iget-boolean v2, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->populated:Z

    if-nez v2, :cond_a9

    .line 70
    iget v2, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->currentSegmentIndex:I

    if-gez v2, :cond_47

    .line 72
    iget-object v2, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->pageHeader:Lcom/google/android/exoplayer2/extractor/ogg/OggPageHeader;

    invoke-virtual {v2, p1, v1}, Lcom/google/android/exoplayer2/extractor/ogg/OggPageHeader;->populate(Lcom/google/android/exoplayer2/extractor/ExtractorInput;Z)Z

    move-result v2

    if-nez v2, :cond_26

    .line 73
    return v0

    .line 75
    :cond_26
    const/4 v2, 0x0

    .line 76
    .local v2, "segmentIndex":I
    iget-object v3, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->pageHeader:Lcom/google/android/exoplayer2/extractor/ogg/OggPageHeader;

    iget v3, v3, Lcom/google/android/exoplayer2/extractor/ogg/OggPageHeader;->headerSize:I

    .line 77
    .local v3, "bytesToSkip":I
    iget-object v4, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->pageHeader:Lcom/google/android/exoplayer2/extractor/ogg/OggPageHeader;

    iget v4, v4, Lcom/google/android/exoplayer2/extractor/ogg/OggPageHeader;->type:I

    and-int/2addr v4, v1

    if-ne v4, v1, :cond_42

    iget-object v4, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->packetArray:Lcom/google/android/exoplayer2/util/ParsableByteArray;

    invoke-virtual {v4}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->limit()I

    move-result v4

    if-nez v4, :cond_42

    .line 80
    invoke-direct {p0, v2}, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->calculatePacketSize(I)I

    move-result v4

    add-int/2addr v3, v4

    .line 81
    iget v4, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->segmentCount:I

    add-int/2addr v2, v4

    .line 83
    :cond_42
    invoke-interface {p1, v3}, Lcom/google/android/exoplayer2/extractor/ExtractorInput;->skipFully(I)V

    .line 84
    iput v2, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->currentSegmentIndex:I

    .line 87
    .end local v2    # "segmentIndex":I
    .end local v3    # "bytesToSkip":I
    :cond_47
    iget v2, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->currentSegmentIndex:I

    invoke-direct {p0, v2}, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->calculatePacketSize(I)I

    move-result v2

    .line 88
    .local v2, "size":I
    iget v3, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->currentSegmentIndex:I

    iget v4, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->segmentCount:I

    add-int/2addr v3, v4

    .line 89
    .local v3, "segmentIndex":I
    if-lez v2, :cond_9c

    .line 90
    iget-object v4, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->packetArray:Lcom/google/android/exoplayer2/util/ParsableByteArray;

    invoke-virtual {v4}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->capacity()I

    move-result v4

    iget-object v5, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->packetArray:Lcom/google/android/exoplayer2/util/ParsableByteArray;

    invoke-virtual {v5}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->limit()I

    move-result v5

    add-int/2addr v5, v2

    if-ge v4, v5, :cond_74

    .line 91
    iget-object v4, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->packetArray:Lcom/google/android/exoplayer2/util/ParsableByteArray;

    iget-object v5, v4, Lcom/google/android/exoplayer2/util/ParsableByteArray;->data:[B

    iget-object v6, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->packetArray:Lcom/google/android/exoplayer2/util/ParsableByteArray;

    invoke-virtual {v6}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->limit()I

    move-result v6

    add-int/2addr v6, v2

    invoke-static {v5, v6}, Ljava/util/Arrays;->copyOf([BI)[B

    move-result-object v5

    iput-object v5, v4, Lcom/google/android/exoplayer2/util/ParsableByteArray;->data:[B

    .line 93
    :cond_74
    iget-object v4, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->packetArray:Lcom/google/android/exoplayer2/util/ParsableByteArray;

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

    iget-object v5, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->packetArray:Lcom/google/android/exoplayer2/util/ParsableByteArray;

    invoke-virtual {v5}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->limit()I

    move-result v5

    invoke-interface {p1, v4, v5, v2}, Lcom/google/android/exoplayer2/extractor/ExtractorInput;->readFully([BII)V

    .line 94
    iget-object v4, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->packetArray:Lcom/google/android/exoplayer2/util/ParsableByteArray;

    invoke-virtual {v4}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->limit()I

    move-result v5

    add-int/2addr v5, v2

    invoke-virtual {v4, v5}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->setLimit(I)V

    .line 95
    iget-object v4, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->pageHeader:Lcom/google/android/exoplayer2/extractor/ogg/OggPageHeader;

    iget-object v4, v4, Lcom/google/android/exoplayer2/extractor/ogg/OggPageHeader;->laces:[I

    add-int/lit8 v5, v3, -0x1

    aget v4, v4, v5

    const/16 v5, 0xff

    if-eq v4, v5, :cond_99

    const/4 v4, 0x1

    goto :goto_9a

    :cond_99
    const/4 v4, 0x0

    :goto_9a
    iput-boolean v4, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->populated:Z

    .line 98
    :cond_9c
    iget-object v4, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->pageHeader:Lcom/google/android/exoplayer2/extractor/ogg/OggPageHeader;

    iget v4, v4, Lcom/google/android/exoplayer2/extractor/ogg/OggPageHeader;->pageSegmentCount:I

    if-ne v3, v4, :cond_a4

    const/4 v4, -0x1

    goto :goto_a5

    :cond_a4
    move v4, v3

    :goto_a5
    iput v4, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->currentSegmentIndex:I

    .line 100
    .end local v2    # "size":I
    .end local v3    # "segmentIndex":I
    goto/16 :goto_15

    .line 101
    :cond_a9
    return v1
.end method

.method public reset()V
    .registers 2

    .line 43
    iget-object v0, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->pageHeader:Lcom/google/android/exoplayer2/extractor/ogg/OggPageHeader;

    invoke-virtual {v0}, Lcom/google/android/exoplayer2/extractor/ogg/OggPageHeader;->reset()V

    .line 44
    iget-object v0, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->packetArray:Lcom/google/android/exoplayer2/util/ParsableByteArray;

    invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->reset()V

    .line 45
    const/4 v0, -0x1

    iput v0, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->currentSegmentIndex:I

    .line 46
    const/4 v0, 0x0

    iput-boolean v0, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->populated:Z

    .line 47
    return-void
.end method

.method public trimPayload()V
    .registers 5

    .line 130
    iget-object v0, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->packetArray:Lcom/google/android/exoplayer2/util/ParsableByteArray;

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

    array-length v0, v0

    const v1, 0xfe01

    if-ne v0, v1, :cond_b

    .line 131
    return-void

    .line 133
    :cond_b
    iget-object v0, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->packetArray:Lcom/google/android/exoplayer2/util/ParsableByteArray;

    iget-object v2, v0, Lcom/google/android/exoplayer2/util/ParsableByteArray;->data:[B

    iget-object v3, p0, Lcom/google/android/exoplayer2/extractor/ogg/OggPacket;->packetArray:Lcom/google/android/exoplayer2/util/ParsableByteArray;

    .line 134
    invoke-virtual {v3}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->limit()I

    move-result v3

    .line 133
    invoke-static {v1, v3}, Ljava/lang/Math;->max(II)I

    move-result v1

    invoke-static {v2, v1}, Ljava/util/Arrays;->copyOf([BI)[B

    move-result-object v1

    iput-object v1, v0, Lcom/google/android/exoplayer2/util/ParsableByteArray;->data:[B

    .line 135
    return-void
.end method