VbriSeeker.smali

.class final Lcom/google/android/exoplayer2/extractor/mp3/VbriSeeker;
.super Ljava/lang/Object;
.source "VbriSeeker.java"

# interfaces
.implements Lcom/google/android/exoplayer2/extractor/mp3/Mp3Extractor$Seeker;


# instance fields
.field private final durationUs:J

.field private final positions:[J

.field private final timesUs:[J


# direct methods
.method private constructor <init>([J[JJ)V
    .registers 5

    .line 94
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    .line 95
    iput-object p1, p0, Lcom/google/android/exoplayer2/extractor/mp3/VbriSeeker;->timesUs:[J

    .line 96
    iput-object p2, p0, Lcom/google/android/exoplayer2/extractor/mp3/VbriSeeker;->positions:[J

    .line 97
    iput-wide p3, p0, Lcom/google/android/exoplayer2/extractor/mp3/VbriSeeker;->durationUs:J

    return-void
.end method

.method public static create(Lcom/google/android/exoplayer2/extractor/MpegAudioHeader;Lcom/google/android/exoplayer2/util/ParsableByteArray;JJ)Lcom/google/android/exoplayer2/extractor/mp3/VbriSeeker;
    .registers 24

    move-object/from16 v0, p0

    move-object/from16 v1, p1

    move-wide/from16 v2, p4

    const/16 v4, 0xa

    .line 43
    invoke-virtual {v1, v4}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->skipBytes(I)V

    .line 44
    invoke-virtual/range {p1 .. p1}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readInt()I

    move-result v4

    const/4 v5, 0x0

    if-gtz v4, :cond_13

    return-object v5

    .line 48
    :cond_13
    iget v6, v0, Lcom/google/android/exoplayer2/extractor/MpegAudioHeader;->sampleRate:I

    int-to-long v7, v4

    const-wide/32 v9, 0xf4240

    const/16 v4, 0x7d00

    if-lt v6, v4, :cond_20

    const/16 v4, 0x480

    goto :goto_22

    :cond_20
    const/16 v4, 0x240

    :goto_22
    int-to-long v11, v4

    mul-long v9, v9, v11

    int-to-long v11, v6

    .line 49
    invoke-static/range {v7 .. v12}, Lcom/google/android/exoplayer2/util/Util;->scaleLargeTimestamp(JJJ)J

    move-result-wide v6

    .line 51
    invoke-virtual/range {p1 .. p1}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readUnsignedShort()I

    move-result v4

    .line 52
    invoke-virtual/range {p1 .. p1}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readUnsignedShort()I

    move-result v8

    .line 53
    invoke-virtual/range {p1 .. p1}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readUnsignedShort()I

    move-result v9

    const/4 v10, 0x2

    .line 54
    invoke-virtual {v1, v10}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->skipBytes(I)V

    .line 57
    iget v0, v0, Lcom/google/android/exoplayer2/extractor/MpegAudioHeader;->frameSize:I

    int-to-long v11, v0

    add-long v11, p2, v11

    add-int/lit8 v0, v4, 0x1

    .line 60
    new-array v13, v0, [J

    .line 61
    new-array v14, v0, [J

    const-wide/16 v15, 0x0

    const/16 v17, 0x0

    .line 62
    aput-wide v15, v13, v17

    .line 63
    aput-wide v11, v14, v17

    const/4 v15, 0x1

    const/4 v5, 0x1

    :goto_4f
    if-ge v5, v0, :cond_9d

    if-eq v9, v15, :cond_6f

    if-eq v9, v10, :cond_69

    const/4 v10, 0x3

    if-eq v9, v10, :cond_63

    const/4 v10, 0x4

    if-eq v9, v10, :cond_5d

    const/4 v10, 0x0

    return-object v10

    :cond_5d
    const/4 v10, 0x0

    .line 77
    invoke-virtual/range {p1 .. p1}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readUnsignedIntToInt()I

    move-result v16

    goto :goto_74

    :cond_63
    const/4 v10, 0x0

    .line 74
    invoke-virtual/range {p1 .. p1}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readUnsignedInt24()I

    move-result v16

    goto :goto_74

    :cond_69
    const/4 v10, 0x0

    .line 71
    invoke-virtual/range {p1 .. p1}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readUnsignedShort()I

    move-result v16

    goto :goto_74

    :cond_6f
    const/4 v10, 0x0

    .line 68
    invoke-virtual/range {p1 .. p1}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readUnsignedByte()I

    move-result v16

    :goto_74
    mul-int v10, v16, v8

    move/from16 p2, v0

    int-to-long v0, v10

    add-long/2addr v11, v0

    int-to-long v0, v5

    mul-long v0, v0, v6

    move v10, v8

    move/from16 v16, v9

    int-to-long v8, v4

    .line 83
    div-long/2addr v0, v8

    aput-wide v0, v13, v5

    const-wide/16 v0, -0x1

    cmp-long v8, v2, v0

    if-nez v8, :cond_8c

    move-wide v0, v11

    goto :goto_90

    .line 85
    :cond_8c
    invoke-static {v2, v3, v11, v12}, Ljava/lang/Math;->min(JJ)J

    move-result-wide v0

    :goto_90
    aput-wide v0, v14, v5

    add-int/lit8 v5, v5, 0x1

    move-object/from16 v1, p1

    move/from16 v0, p2

    move v8, v10

    move/from16 v9, v16

    const/4 v10, 0x2

    goto :goto_4f

    .line 87
    :cond_9d
    new-instance v0, Lcom/google/android/exoplayer2/extractor/mp3/VbriSeeker;

    invoke-direct {v0, v13, v14, v6, v7}, Lcom/google/android/exoplayer2/extractor/mp3/VbriSeeker;-><init>([J[JJ)V

    return-object v0
.end method


# virtual methods
.method public getDurationUs()J
    .registers 3

    .line 117
    iget-wide v0, p0, Lcom/google/android/exoplayer2/extractor/mp3/VbriSeeker;->durationUs:J

    return-wide v0
.end method

.method public getPosition(J)J
    .registers 6

    .line 107
    iget-object v0, p0, Lcom/google/android/exoplayer2/extractor/mp3/VbriSeeker;->positions:[J

    iget-object v1, p0, Lcom/google/android/exoplayer2/extractor/mp3/VbriSeeker;->timesUs:[J

    const/4 v2, 0x1

    invoke-static {v1, p1, p2, v2, v2}, Lcom/google/android/exoplayer2/util/Util;->binarySearchFloor([JJZZ)I

    move-result p1

    aget-wide p1, v0, p1

    return-wide p1
.end method

.method public getTimeUs(J)J
    .registers 6

    .line 112
    iget-object v0, p0, Lcom/google/android/exoplayer2/extractor/mp3/VbriSeeker;->timesUs:[J

    iget-object v1, p0, Lcom/google/android/exoplayer2/extractor/mp3/VbriSeeker;->positions:[J

    const/4 v2, 0x1

    invoke-static {v1, p1, p2, v2, v2}, Lcom/google/android/exoplayer2/util/Util;->binarySearchFloor([JJZZ)I

    move-result p1

    aget-wide p1, v0, p1

    return-wide p1
.end method

.method public isSeekable()Z
    .registers 2

    const/4 v0, 0x1

    return v0
.end method