MpegAudioReader.smali

.class public final Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;
.super Ljava/lang/Object;
.source "MpegAudioReader.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_HEADER:I

.field private static final STATE_READING_FRAME:I

.field private static final STATE_READING_HEADER:I


# instance fields
.field private formatId:Ljava/lang/String;

.field private frameBytesRead:I

.field private frameDurationUs:J

.field private frameSize:I

.field private hasOutputFormat:Z

.field private final header:Lcom/google/android/exoplayer2/extractor/MpegAudioHeader;

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

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

.field private lastByteWasFF:Z

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

.field private state:I

.field private timeUs:J


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

    const v0, 0x156b

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

    move-result v0

    sput v0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->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/MpegAudioReader;->STATE_FINDING_HEADER:I

    const v0, 0x156d

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

    move-result v0

    sput v0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->STATE_READING_FRAME:I

    const v0, 0x156e

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

    move-result v0

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

    return-void
.end method

.method public constructor <init>()V
    .registers 2

    .line 59
    const/4 v0, 0x0

    invoke-direct {p0, v0}, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;-><init>(Ljava/lang/String;)V

    .line 60
    return-void
.end method

.method public constructor <init>(Ljava/lang/String;)V
    .registers 5
    .param p1, "language"    # Ljava/lang/String;

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

    .line 63
    const/4 v0, 0x0

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

    .line 65
    new-instance v1, Lcom/google/android/exoplayer2/util/ParsableByteArray;

    const/4 v2, 0x4

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

    iput-object v1, p0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->headerScratch:Lcom/google/android/exoplayer2/util/ParsableByteArray;

    .line 66
    iget-object v1, v1, Lcom/google/android/exoplayer2/util/ParsableByteArray;->data:[B

    const/4 v2, -0x1

    aput-byte v2, v1, v0

    .line 67
    new-instance v0, Lcom/google/android/exoplayer2/extractor/MpegAudioHeader;

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

    iput-object v0, p0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->header:Lcom/google/android/exoplayer2/extractor/MpegAudioHeader;

    .line 68
    iput-object p1, p0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->language:Ljava/lang/String;

    .line 69
    return-void
.end method

.method private findHeader(Lcom/google/android/exoplayer2/util/ParsableByteArray;)V
    .registers 11
    .param p1, "source"    # Lcom/google/android/exoplayer2/util/ParsableByteArray;

    .line 127
    iget-object v0, p1, Lcom/google/android/exoplayer2/util/ParsableByteArray;->data:[B

    .line 128
    .local v0, "data":[B
    invoke-virtual {p1}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->getPosition()I

    move-result v1

    .line 129
    .local v1, "startOffset":I
    invoke-virtual {p1}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->limit()I

    move-result v2

    .line 130
    .local v2, "endOffset":I
    move v3, v1

    .local v3, "i":I
    :goto_b
    if-ge v3, v2, :cond_43

    .line 131
    aget-byte v4, v0, v3

    const/16 v5, 0xff

    and-int/2addr v4, v5

    const/4 v6, 0x0

    const/4 v7, 0x1

    if-ne v4, v5, :cond_18

    const/4 v4, 0x1

    goto :goto_19

    :cond_18
    const/4 v4, 0x0

    .line 132
    .local v4, "byteIsFF":Z
    :goto_19
    iget-boolean v5, p0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->lastByteWasFF:Z

    if-eqz v5, :cond_26

    aget-byte v5, v0, v3

    const/16 v8, 0xe0

    and-int/2addr v5, v8

    if-ne v5, v8, :cond_26

    const/4 v5, 0x1

    goto :goto_27

    :cond_26
    const/4 v5, 0x0

    .line 133
    .local v5, "found":Z
    :goto_27
    iput-boolean v4, p0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->lastByteWasFF:Z

    .line 134
    if-eqz v5, :cond_40

    .line 135
    add-int/lit8 v8, v3, 0x1

    invoke-virtual {p1, v8}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->setPosition(I)V

    .line 137
    iput-boolean v6, p0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->lastByteWasFF:Z

    .line 138
    iget-object v6, p0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->headerScratch:Lcom/google/android/exoplayer2/util/ParsableByteArray;

    iget-object v6, v6, Lcom/google/android/exoplayer2/util/ParsableByteArray;->data:[B

    aget-byte v8, v0, v3

    aput-byte v8, v6, v7

    .line 139
    const/4 v6, 0x2

    iput v6, p0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->frameBytesRead:I

    .line 140
    iput v7, p0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->state:I

    .line 141
    return-void

    .line 130
    .end local v4    # "byteIsFF":Z
    .end local v5    # "found":Z
    :cond_40
    add-int/lit8 v3, v3, 0x1

    goto :goto_b

    .line 144
    .end local v3    # "i":I
    :cond_43
    invoke-virtual {p1, v2}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->setPosition(I)V

    .line 145
    return-void
.end method

.method private readFrameRemainder(Lcom/google/android/exoplayer2/util/ParsableByteArray;)V
    .registers 11
    .param p1, "source"    # Lcom/google/android/exoplayer2/util/ParsableByteArray;

    .line 209
    invoke-virtual {p1}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->bytesLeft()I

    move-result v0

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

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

    sub-int/2addr v1, v2

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

    move-result v0

    .line 210
    .local v0, "bytesToRead":I
    iget-object v1, p0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->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 211
    iget v1, p0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->frameBytesRead:I

    add-int/2addr v1, v0

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

    .line 212
    iget v6, p0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->frameSize:I

    if-ge v1, v6, :cond_1c

    .line 214
    return-void

    .line 217
    :cond_1c
    iget-object v2, p0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->output:Lcom/google/android/exoplayer2/extractor/TrackOutput;

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

    const/4 v5, 0x1

    const/4 v7, 0x0

    const/4 v8, 0x0

    invoke-interface/range {v2 .. v8}, Lcom/google/android/exoplayer2/extractor/TrackOutput;->sampleMetadata(JIIILcom/google/android/exoplayer2/extractor/TrackOutput$CryptoData;)V

    .line 218
    iget-wide v1, p0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->timeUs:J

    iget-wide v3, p0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->frameDurationUs:J

    add-long/2addr v1, v3

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

    .line 219
    const/4 v1, 0x0

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

    .line 220
    iput v1, p0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->state:I

    .line 221
    return-void
.end method

.method private readHeaderRemainder(Lcom/google/android/exoplayer2/util/ParsableByteArray;)V
    .registers 24
    .param p1, "source"    # Lcom/google/android/exoplayer2/util/ParsableByteArray;

    .line 164
    move-object/from16 v0, p0

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

    move-result v1

    iget v2, v0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->frameBytesRead:I

    const/4 v3, 0x4

    rsub-int/lit8 v2, v2, 0x4

    invoke-static {v1, v2}, Ljava/lang/Math;->min(II)I

    move-result v1

    .line 165
    .local v1, "bytesToRead":I
    iget-object v2, v0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->headerScratch:Lcom/google/android/exoplayer2/util/ParsableByteArray;

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

    iget v4, v0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->frameBytesRead:I

    move-object/from16 v5, p1

    invoke-virtual {v5, v2, v4, v1}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readBytes([BII)V

    .line 166
    iget v2, v0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->frameBytesRead:I

    add-int/2addr v2, v1

    iput v2, v0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->frameBytesRead:I

    .line 167
    if-ge v2, v3, :cond_22

    .line 169
    return-void

    .line 172
    :cond_22
    iget-object v2, v0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->headerScratch:Lcom/google/android/exoplayer2/util/ParsableByteArray;

    const/4 v4, 0x0

    invoke-virtual {v2, v4}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->setPosition(I)V

    .line 173
    iget-object v2, v0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->headerScratch:Lcom/google/android/exoplayer2/util/ParsableByteArray;

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

    move-result v2

    iget-object v6, v0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->header:Lcom/google/android/exoplayer2/extractor/MpegAudioHeader;

    invoke-static {v2, v6}, Lcom/google/android/exoplayer2/extractor/MpegAudioHeader;->populateHeader(ILcom/google/android/exoplayer2/extractor/MpegAudioHeader;)Z

    move-result v2

    .line 174
    .local v2, "parsedHeader":Z
    const/4 v6, 0x1

    if-nez v2, :cond_3c

    .line 176
    iput v4, v0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->frameBytesRead:I

    .line 177
    iput v6, v0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->state:I

    .line 178
    return-void

    .line 181
    :cond_3c
    iget-object v7, v0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->header:Lcom/google/android/exoplayer2/extractor/MpegAudioHeader;

    iget v7, v7, Lcom/google/android/exoplayer2/extractor/MpegAudioHeader;->frameSize:I

    iput v7, v0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->frameSize:I

    .line 182
    iget-boolean v7, v0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->hasOutputFormat:Z

    if-nez v7, :cond_83

    .line 183
    const-wide/32 v7, 0xf4240

    iget-object v9, v0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->header:Lcom/google/android/exoplayer2/extractor/MpegAudioHeader;

    iget v9, v9, Lcom/google/android/exoplayer2/extractor/MpegAudioHeader;->samplesPerFrame:I

    int-to-long v9, v9

    mul-long v9, v9, v7

    iget-object v7, v0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->header:Lcom/google/android/exoplayer2/extractor/MpegAudioHeader;

    iget v7, v7, Lcom/google/android/exoplayer2/extractor/MpegAudioHeader;->sampleRate:I

    int-to-long v7, v7

    div-long/2addr v9, v7

    iput-wide v9, v0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->frameDurationUs:J

    .line 184
    iget-object v11, v0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->formatId:Ljava/lang/String;

    iget-object v7, v0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->header:Lcom/google/android/exoplayer2/extractor/MpegAudioHeader;

    iget-object v12, v7, Lcom/google/android/exoplayer2/extractor/MpegAudioHeader;->mimeType:Ljava/lang/String;

    const/4 v13, 0x0

    const/4 v14, -0x1

    const/16 v15, 0x1000

    iget-object v7, v0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->header:Lcom/google/android/exoplayer2/extractor/MpegAudioHeader;

    iget v7, v7, Lcom/google/android/exoplayer2/extractor/MpegAudioHeader;->channels:I

    iget-object v8, v0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->header:Lcom/google/android/exoplayer2/extractor/MpegAudioHeader;

    iget v8, v8, Lcom/google/android/exoplayer2/extractor/MpegAudioHeader;->sampleRate:I

    const/16 v18, 0x0

    const/16 v19, 0x0

    const/16 v20, 0x0

    iget-object v9, v0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->language:Ljava/lang/String;

    move/from16 v16, v7

    move/from16 v17, v8

    move-object/from16 v21, v9

    invoke-static/range {v11 .. v21}, Lcom/google/android/exoplayer2/Format;->createAudioSampleFormat(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;IIIILjava/util/List;Lcom/google/android/exoplayer2/drm/DrmInitData;ILjava/lang/String;)Lcom/google/android/exoplayer2/Format;

    move-result-object v7

    .line 187
    .local v7, "format":Lcom/google/android/exoplayer2/Format;
    iget-object v8, v0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->output:Lcom/google/android/exoplayer2/extractor/TrackOutput;

    invoke-interface {v8, v7}, Lcom/google/android/exoplayer2/extractor/TrackOutput;->format(Lcom/google/android/exoplayer2/Format;)V

    .line 188
    iput-boolean v6, v0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->hasOutputFormat:Z

    .line 191
    .end local v7    # "format":Lcom/google/android/exoplayer2/Format;
    :cond_83
    iget-object v6, v0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->headerScratch:Lcom/google/android/exoplayer2/util/ParsableByteArray;

    invoke-virtual {v6, v4}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->setPosition(I)V

    .line 192
    iget-object v4, v0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->output:Lcom/google/android/exoplayer2/extractor/TrackOutput;

    iget-object v6, v0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->headerScratch:Lcom/google/android/exoplayer2/util/ParsableByteArray;

    invoke-interface {v4, v6, v3}, Lcom/google/android/exoplayer2/extractor/TrackOutput;->sampleData(Lcom/google/android/exoplayer2/util/ParsableByteArray;I)V

    .line 193
    const/4 v3, 0x2

    iput v3, v0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->state:I

    .line 194
    return-void
.end method


# virtual methods
.method public consume(Lcom/google/android/exoplayer2/util/ParsableByteArray;)V
    .registers 4
    .param p1, "data"    # Lcom/google/android/exoplayer2/util/ParsableByteArray;

    .line 92
    :goto_0
    invoke-virtual {p1}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->bytesLeft()I

    move-result v0

    if-lez v0, :cond_22

    .line 93
    iget v0, p0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->state:I

    if-eqz v0, :cond_1e

    const/4 v1, 0x1

    if-eq v0, v1, :cond_1a

    const/4 v1, 0x2

    if-ne v0, v1, :cond_14

    .line 101
    invoke-direct {p0, p1}, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->readFrameRemainder(Lcom/google/android/exoplayer2/util/ParsableByteArray;)V

    .line 102
    goto :goto_0

    .line 104
    :cond_14
    new-instance v0, Ljava/lang/IllegalStateException;

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

    throw v0

    .line 98
    :cond_1a
    invoke-direct {p0, p1}, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->readHeaderRemainder(Lcom/google/android/exoplayer2/util/ParsableByteArray;)V

    .line 99
    goto :goto_0

    .line 95
    :cond_1e
    invoke-direct {p0, p1}, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->findHeader(Lcom/google/android/exoplayer2/util/ParsableByteArray;)V

    .line 96
    goto :goto_0

    .line 107
    :cond_22
    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 80
    invoke-virtual {p2}, Lcom/google/android/exoplayer2/extractor/ts/TsPayloadReader$TrackIdGenerator;->generateNewId()V

    .line 81
    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/MpegAudioReader;->formatId:Ljava/lang/String;

    .line 82
    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/MpegAudioReader;->output:Lcom/google/android/exoplayer2/extractor/TrackOutput;

    .line 83
    return-void
.end method

.method public packetFinished()V
    .registers 1

    .line 112
    return-void
.end method

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

    .line 87
    iput-wide p1, p0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->timeUs:J

    .line 88
    return-void
.end method

.method public seek()V
    .registers 2

    .line 73
    const/4 v0, 0x0

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

    .line 74
    iput v0, p0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->frameBytesRead:I

    .line 75
    iput-boolean v0, p0, Lcom/google/android/exoplayer2/extractor/ts/MpegAudioReader;->lastByteWasFF:Z

    .line 76
    return-void
.end method