DtsReader.smali

.class public final Lcom/google/android/exoplayer2/extractor/ts/DtsReader;
.super Ljava/lang/Object;
.source "DtsReader.java"

# interfaces
.implements Lcom/google/android/exoplayer2/extractor/ts/ElementaryStreamReader;


# static fields
.field private static final HEADER_SIZE:I

.field private static final STATE_FINDING_SYNC:I

.field private static final STATE_READING_HEADER:I

.field private static final STATE_READING_SAMPLE:I


# instance fields
.field private bytesRead:I

.field private format:Lcom/google/android/exoplayer2/Format;

.field private formatId:Ljava/lang/String;

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

.field private final language:Ljava/lang/String;

.field private output:Lcom/google/android/exoplayer2/extractor/TrackOutput;

.field private sampleDurationUs:J

.field private sampleSize:I

.field private state:I

.field private syncBytes:I

.field private timeUs:J


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

    const v0, 0x157d

    invoke-static {v0}, Lnp/NPFog;->d(I)I

    move-result v0

    sput v0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->HEADER_SIZE:I

    const v0, 0x156f

    invoke-static {v0}, Lnp/NPFog;->d(I)I

    move-result v0

    sput v0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->STATE_FINDING_SYNC:I

    const v0, 0x156e

    invoke-static {v0}, Lnp/NPFog;->d(I)I

    move-result v0

    sput v0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->STATE_READING_HEADER:I

    const v0, 0x156d

    invoke-static {v0}, Lnp/NPFog;->d(I)I

    move-result v0

    sput v0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->STATE_READING_SAMPLE:I

    return-void
.end method

.method public constructor <init>(Ljava/lang/String;)V
    .registers 4
    .param p1, "language"    # Ljava/lang/String;

    .line 62
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    .line 63
    new-instance v0, Lcom/google/android/exoplayer2/util/ParsableByteArray;

    const/16 v1, 0x12

    new-array v1, v1, [B

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

    iput-object v0, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->headerScratchBytes:Lcom/google/android/exoplayer2/util/ParsableByteArray;

    .line 64
    const/4 v0, 0x0

    iput v0, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->state:I

    .line 65
    iput-object p1, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->language:Ljava/lang/String;

    .line 66
    return-void
.end method

.method private continueRead(Lcom/google/android/exoplayer2/util/ParsableByteArray;[BI)Z
    .registers 6
    .param p1, "source"    # Lcom/google/android/exoplayer2/util/ParsableByteArray;
    .param p2, "target"    # [B
    .param p3, "targetLength"    # I

    .line 135
    invoke-virtual {p1}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->bytesLeft()I

    move-result v0

    iget v1, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->bytesRead:I

    sub-int v1, p3, v1

    invoke-static {v0, v1}, Ljava/lang/Math;->min(II)I

    move-result v0

    .line 136
    .local v0, "bytesToRead":I
    iget v1, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->bytesRead:I

    invoke-virtual {p1, p2, v1, v0}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readBytes([BII)V

    .line 137
    iget v1, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->bytesRead:I

    add-int/2addr v1, v0

    iput v1, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->bytesRead:I

    .line 138
    if-ne v1, p3, :cond_1a

    const/4 v1, 0x1

    goto :goto_1b

    :cond_1a
    const/4 v1, 0x0

    :goto_1b
    return v1
.end method

.method private parseHeader()V
    .registers 6

    .line 169
    iget-object v0, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->headerScratchBytes:Lcom/google/android/exoplayer2/util/ParsableByteArray;

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

    .line 170
    .local v0, "frameData":[B
    iget-object v1, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->format:Lcom/google/android/exoplayer2/Format;

    if-nez v1, :cond_18

    .line 171
    iget-object v1, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->formatId:Ljava/lang/String;

    iget-object v2, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->language:Ljava/lang/String;

    const/4 v3, 0x0

    invoke-static {v0, v1, v2, v3}, Lcom/google/android/exoplayer2/audio/DtsUtil;->parseDtsFormat([BLjava/lang/String;Ljava/lang/String;Lcom/google/android/exoplayer2/drm/DrmInitData;)Lcom/google/android/exoplayer2/Format;

    move-result-object v1

    iput-object v1, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->format:Lcom/google/android/exoplayer2/Format;

    .line 172
    iget-object v2, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->output:Lcom/google/android/exoplayer2/extractor/TrackOutput;

    invoke-interface {v2, v1}, Lcom/google/android/exoplayer2/extractor/TrackOutput;->format(Lcom/google/android/exoplayer2/Format;)V

    .line 174
    :cond_18
    invoke-static {v0}, Lcom/google/android/exoplayer2/audio/DtsUtil;->getDtsFrameSize([B)I

    move-result v1

    iput v1, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->sampleSize:I

    .line 177
    const-wide/32 v1, 0xf4240

    .line 178
    invoke-static {v0}, Lcom/google/android/exoplayer2/audio/DtsUtil;->parseDtsAudioSampleCount([B)I

    move-result v3

    int-to-long v3, v3

    mul-long v3, v3, v1

    iget-object v1, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->format:Lcom/google/android/exoplayer2/Format;

    iget v1, v1, Lcom/google/android/exoplayer2/Format;->sampleRate:I

    int-to-long v1, v1

    div-long/2addr v3, v1

    long-to-int v1, v3

    int-to-long v1, v1

    iput-wide v1, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->sampleDurationUs:J

    .line 179
    return-void
.end method

.method private skipToNextSync(Lcom/google/android/exoplayer2/util/ParsableByteArray;)Z
    .registers 7
    .param p1, "pesBuffer"    # Lcom/google/android/exoplayer2/util/ParsableByteArray;

    .line 149
    :cond_0
    invoke-virtual {p1}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->bytesLeft()I

    move-result v0

    const/4 v1, 0x0

    if-lez v0, :cond_55

    .line 150
    iget v0, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->syncBytes:I

    shl-int/lit8 v0, v0, 0x8

    iput v0, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->syncBytes:I

    .line 151
    invoke-virtual {p1}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readUnsignedByte()I

    move-result v2

    or-int/2addr v0, v2

    iput v0, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->syncBytes:I

    .line 152
    invoke-static {v0}, Lcom/google/android/exoplayer2/audio/DtsUtil;->isSyncWord(I)Z

    move-result v0

    if-eqz v0, :cond_0

    .line 153
    iget-object v0, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->headerScratchBytes:Lcom/google/android/exoplayer2/util/ParsableByteArray;

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

    iget v2, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->syncBytes:I

    shr-int/lit8 v2, v2, 0x18

    and-int/lit16 v2, v2, 0xff

    int-to-byte v2, v2

    aput-byte v2, v0, v1

    .line 154
    iget-object v0, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->headerScratchBytes:Lcom/google/android/exoplayer2/util/ParsableByteArray;

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

    iget v2, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->syncBytes:I

    shr-int/lit8 v2, v2, 0x10

    and-int/lit16 v2, v2, 0xff

    int-to-byte v2, v2

    const/4 v3, 0x1

    aput-byte v2, v0, v3

    .line 155
    iget-object v0, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->headerScratchBytes:Lcom/google/android/exoplayer2/util/ParsableByteArray;

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

    const/4 v2, 0x2

    iget v4, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->syncBytes:I

    shr-int/lit8 v4, v4, 0x8

    and-int/lit16 v4, v4, 0xff

    int-to-byte v4, v4

    aput-byte v4, v0, v2

    .line 156
    iget-object v0, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->headerScratchBytes:Lcom/google/android/exoplayer2/util/ParsableByteArray;

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

    const/4 v2, 0x3

    iget v4, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->syncBytes:I

    and-int/lit16 v4, v4, 0xff

    int-to-byte v4, v4

    aput-byte v4, v0, v2

    .line 157
    const/4 v0, 0x4

    iput v0, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->bytesRead:I

    .line 158
    iput v1, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->syncBytes:I

    .line 159
    return v3

    .line 162
    :cond_55
    return v1
.end method


# virtual methods
.method public consume(Lcom/google/android/exoplayer2/util/ParsableByteArray;)V
    .registers 12
    .param p1, "data"    # Lcom/google/android/exoplayer2/util/ParsableByteArray;

    .line 89
    :cond_0
    :goto_0
    invoke-virtual {p1}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->bytesLeft()I

    move-result v0

    if-lez v0, :cond_6d

    .line 90
    iget v0, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->state:I

    const/4 v1, 0x1

    if-eqz v0, :cond_64

    const/4 v2, 0x0

    const/4 v3, 0x2

    if-eq v0, v1, :cond_46

    if-ne v0, v3, :cond_40

    .line 105
    invoke-virtual {p1}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->bytesLeft()I

    move-result v0

    iget v1, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->sampleSize:I

    iget v3, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->bytesRead:I

    sub-int/2addr v1, v3

    invoke-static {v0, v1}, Ljava/lang/Math;->min(II)I

    move-result v0

    .line 106
    .local v0, "bytesToRead":I
    iget-object v1, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->output:Lcom/google/android/exoplayer2/extractor/TrackOutput;

    invoke-interface {v1, p1, v0}, Lcom/google/android/exoplayer2/extractor/TrackOutput;->sampleData(Lcom/google/android/exoplayer2/util/ParsableByteArray;I)V

    .line 107
    iget v1, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->bytesRead:I

    add-int/2addr v1, v0

    iput v1, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->bytesRead:I

    .line 108
    iget v7, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->sampleSize:I

    if-ne v1, v7, :cond_0

    .line 109
    iget-object v3, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->output:Lcom/google/android/exoplayer2/extractor/TrackOutput;

    iget-wide v4, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->timeUs:J

    const/4 v6, 0x1

    const/4 v8, 0x0

    const/4 v9, 0x0

    invoke-interface/range {v3 .. v9}, Lcom/google/android/exoplayer2/extractor/TrackOutput;->sampleMetadata(JIIILcom/google/android/exoplayer2/extractor/TrackOutput$CryptoData;)V

    .line 110
    iget-wide v3, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->timeUs:J

    iget-wide v5, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->sampleDurationUs:J

    add-long/2addr v3, v5

    iput-wide v3, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->timeUs:J

    .line 111
    iput v2, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->state:I

    goto :goto_0

    .line 115
    .end local v0    # "bytesToRead":I
    :cond_40
    new-instance v0, Ljava/lang/IllegalStateException;

    invoke-direct {v0}, Ljava/lang/IllegalStateException;-><init>()V

    throw v0

    .line 97
    :cond_46
    iget-object v0, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->headerScratchBytes:Lcom/google/android/exoplayer2/util/ParsableByteArray;

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

    const/16 v1, 0x12

    invoke-direct {p0, p1, v0, v1}, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->continueRead(Lcom/google/android/exoplayer2/util/ParsableByteArray;[BI)Z

    move-result v0

    if-eqz v0, :cond_0

    .line 98
    invoke-direct {p0}, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->parseHeader()V

    .line 99
    iget-object v0, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->headerScratchBytes:Lcom/google/android/exoplayer2/util/ParsableByteArray;

    invoke-virtual {v0, v2}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->setPosition(I)V

    .line 100
    iget-object v0, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->output:Lcom/google/android/exoplayer2/extractor/TrackOutput;

    iget-object v2, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->headerScratchBytes:Lcom/google/android/exoplayer2/util/ParsableByteArray;

    invoke-interface {v0, v2, v1}, Lcom/google/android/exoplayer2/extractor/TrackOutput;->sampleData(Lcom/google/android/exoplayer2/util/ParsableByteArray;I)V

    .line 101
    iput v3, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->state:I

    goto :goto_0

    .line 92
    :cond_64
    invoke-direct {p0, p1}, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->skipToNextSync(Lcom/google/android/exoplayer2/util/ParsableByteArray;)Z

    move-result v0

    if-eqz v0, :cond_0

    .line 93
    iput v1, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->state:I

    goto :goto_0

    .line 118
    :cond_6d
    return-void
.end method

.method public createTracks(Lcom/google/android/exoplayer2/extractor/ExtractorOutput;Lcom/google/android/exoplayer2/extractor/ts/TsPayloadReader$TrackIdGenerator;)V
    .registers 5
    .param p1, "extractorOutput"    # Lcom/google/android/exoplayer2/extractor/ExtractorOutput;
    .param p2, "idGenerator"    # Lcom/google/android/exoplayer2/extractor/ts/TsPayloadReader$TrackIdGenerator;

    .line 77
    invoke-virtual {p2}, Lcom/google/android/exoplayer2/extractor/ts/TsPayloadReader$TrackIdGenerator;->generateNewId()V

    .line 78
    invoke-virtual {p2}, Lcom/google/android/exoplayer2/extractor/ts/TsPayloadReader$TrackIdGenerator;->getFormatId()Ljava/lang/String;

    move-result-object v0

    iput-object v0, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->formatId:Ljava/lang/String;

    .line 79
    invoke-virtual {p2}, Lcom/google/android/exoplayer2/extractor/ts/TsPayloadReader$TrackIdGenerator;->getTrackId()I

    move-result v0

    const/4 v1, 0x1

    invoke-interface {p1, v0, v1}, Lcom/google/android/exoplayer2/extractor/ExtractorOutput;->track(II)Lcom/google/android/exoplayer2/extractor/TrackOutput;

    move-result-object v0

    iput-object v0, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->output:Lcom/google/android/exoplayer2/extractor/TrackOutput;

    .line 80
    return-void
.end method

.method public packetFinished()V
    .registers 1

    .line 123
    return-void
.end method

.method public packetStarted(JI)V
    .registers 4
    .param p1, "pesTimeUs"    # J
    .param p3, "flags"    # I

    .line 84
    iput-wide p1, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->timeUs:J

    .line 85
    return-void
.end method

.method public seek()V
    .registers 2

    .line 70
    const/4 v0, 0x0

    iput v0, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->state:I

    .line 71
    iput v0, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->bytesRead:I

    .line 72
    iput v0, p0, Lcom/google/android/exoplayer2/extractor/ts/DtsReader;->syncBytes:I

    .line 73
    return-void
.end method