WebvttExtractor.smali

.class public final Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;
.super Ljava/lang/Object;
.source "WebvttExtractor.java"

# interfaces
.implements Lcom/google/android/exoplayer2/extractor/Extractor;


# static fields
.field private static final HEADER_MAX_LENGTH:I = 0x9

.field private static final HEADER_MIN_LENGTH:I = 0x6

.field private static final LOCAL_TIMESTAMP:Ljava/util/regex/Pattern;

.field private static final MEDIA_TIMESTAMP:Ljava/util/regex/Pattern;


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

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

.field private sampleData:[B

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

.field private sampleSize:I

.field private final timestampAdjuster:Lcom/google/android/exoplayer2/util/TimestampAdjuster;


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

    .line 47
    const-string v0, "LOCAL:([^,]+)"

    invoke-static {v0}, Ljava/util/regex/Pattern;->compile(Ljava/lang/String;)Ljava/util/regex/Pattern;

    move-result-object v0

    sput-object v0, Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;->LOCAL_TIMESTAMP:Ljava/util/regex/Pattern;

    .line 48
    const-string v0, "MPEGTS:(\\d+)"

    invoke-static {v0}, Ljava/util/regex/Pattern;->compile(Ljava/lang/String;)Ljava/util/regex/Pattern;

    move-result-object v0

    sput-object v0, Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;->MEDIA_TIMESTAMP:Ljava/util/regex/Pattern;

    return-void
.end method

.method public constructor <init>(Ljava/lang/String;Lcom/google/android/exoplayer2/util/TimestampAdjuster;)V
    .registers 4
    .param p1, "language"    # Ljava/lang/String;
    .param p2, "timestampAdjuster"    # Lcom/google/android/exoplayer2/util/TimestampAdjuster;

    .line 61
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    .line 62
    iput-object p1, p0, Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;->language:Ljava/lang/String;

    .line 63
    iput-object p2, p0, Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;->timestampAdjuster:Lcom/google/android/exoplayer2/util/TimestampAdjuster;

    .line 64
    new-instance v0, Lcom/google/android/exoplayer2/util/ParsableByteArray;

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

    iput-object v0, p0, Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;->sampleDataWrapper:Lcom/google/android/exoplayer2/util/ParsableByteArray;

    .line 65
    const/16 v0, 0x400

    new-array v0, v0, [B

    iput-object v0, p0, Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;->sampleData:[B

    .line 66
    return-void
.end method

.method private buildTrackOutput(J)Lcom/google/android/exoplayer2/extractor/TrackOutput;
    .registers 13
    .param p1, "subsampleOffsetUs"    # J

    .line 179
    iget-object v0, p0, Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;->output:Lcom/google/android/exoplayer2/extractor/ExtractorOutput;

    const/4 v1, 0x0

    const/4 v2, 0x3

    invoke-interface {v0, v1, v2}, Lcom/google/android/exoplayer2/extractor/ExtractorOutput;->track(II)Lcom/google/android/exoplayer2/extractor/TrackOutput;

    move-result-object v0

    .line 180
    .local v0, "trackOutput":Lcom/google/android/exoplayer2/extractor/TrackOutput;
    iget-object v6, p0, Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;->language:Ljava/lang/String;

    const/4 v1, 0x0

    const-string/jumbo v2, "text/vtt"

    const/4 v3, 0x0

    const/4 v4, -0x1

    const/4 v5, 0x0

    const/4 v7, 0x0

    move-wide v8, p1

    invoke-static/range {v1 .. v9}, Lcom/google/android/exoplayer2/Format;->createTextSampleFormat(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;IILjava/lang/String;Lcom/google/android/exoplayer2/drm/DrmInitData;J)Lcom/google/android/exoplayer2/Format;

    move-result-object v1

    invoke-interface {v0, v1}, Lcom/google/android/exoplayer2/extractor/TrackOutput;->format(Lcom/google/android/exoplayer2/Format;)V

    .line 182
    iget-object v1, p0, Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;->output:Lcom/google/android/exoplayer2/extractor/ExtractorOutput;

    invoke-interface {v1}, Lcom/google/android/exoplayer2/extractor/ExtractorOutput;->endTracks()V

    .line 183
    return-object v0
.end method

.method private processSample()V
    .registers 24
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Lcom/google/android/exoplayer2/ParserException;
        }
    .end annotation

    .line 132
    move-object/from16 v0, p0

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

    iget-object v2, v0, Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;->sampleData:[B

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

    .line 135
    .local v1, "webvttData":Lcom/google/android/exoplayer2/util/ParsableByteArray;
    invoke-static {v1}, Lcom/google/android/exoplayer2/text/webvtt/WebvttParserUtil;->validateWebvttHeaderLine(Lcom/google/android/exoplayer2/util/ParsableByteArray;)V

    .line 138
    const-wide/16 v2, 0x0

    .line 139
    .local v2, "vttTimestampUs":J
    const-wide/16 v4, 0x0

    .line 143
    .local v4, "tsTimestampUs":J
    :cond_10
    :goto_10
    invoke-virtual {v1}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readLine()Ljava/lang/String;

    move-result-object v6

    move-object v7, v6

    .local v7, "line":Ljava/lang/String;
    invoke-static {v6}, Landroid/text/TextUtils;->isEmpty(Ljava/lang/CharSequence;)Z

    move-result v6

    const/4 v8, 0x1

    if-nez v6, :cond_7f

    .line 144
    const-string v6, "X-TIMESTAMP-MAP"

    invoke-virtual {v7, v6}, Ljava/lang/String;->startsWith(Ljava/lang/String;)Z

    move-result v6

    if-eqz v6, :cond_10

    .line 145
    sget-object v6, Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;->LOCAL_TIMESTAMP:Ljava/util/regex/Pattern;

    invoke-virtual {v6, v7}, Ljava/util/regex/Pattern;->matcher(Ljava/lang/CharSequence;)Ljava/util/regex/Matcher;

    move-result-object v6

    .line 146
    .local v6, "localTimestampMatcher":Ljava/util/regex/Matcher;
    invoke-virtual {v6}, Ljava/util/regex/Matcher;->find()Z

    move-result v9

    if-eqz v9, :cond_68

    .line 149
    sget-object v9, Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;->MEDIA_TIMESTAMP:Ljava/util/regex/Pattern;

    invoke-virtual {v9, v7}, Ljava/util/regex/Pattern;->matcher(Ljava/lang/CharSequence;)Ljava/util/regex/Matcher;

    move-result-object v9

    .line 150
    .local v9, "mediaTimestampMatcher":Ljava/util/regex/Matcher;
    invoke-virtual {v9}, Ljava/util/regex/Matcher;->find()Z

    move-result v10

    if-eqz v10, :cond_51

    .line 153
    invoke-virtual {v6, v8}, Ljava/util/regex/Matcher;->group(I)Ljava/lang/String;

    move-result-object v10

    invoke-static {v10}, Lcom/google/android/exoplayer2/text/webvtt/WebvttParserUtil;->parseTimestampUs(Ljava/lang/String;)J

    move-result-wide v2

    .line 154
    invoke-virtual {v9, v8}, Ljava/util/regex/Matcher;->group(I)Ljava/lang/String;

    move-result-object v8

    invoke-static {v8}, Ljava/lang/Long;->parseLong(Ljava/lang/String;)J

    move-result-wide v10

    invoke-static {v10, v11}, Lcom/google/android/exoplayer2/util/TimestampAdjuster;->ptsToUs(J)J

    move-result-wide v4

    .line 155
    .end local v6    # "localTimestampMatcher":Ljava/util/regex/Matcher;
    .end local v9    # "mediaTimestampMatcher":Ljava/util/regex/Matcher;
    goto :goto_10

    .line 151
    .restart local v6    # "localTimestampMatcher":Ljava/util/regex/Matcher;
    .restart local v9    # "mediaTimestampMatcher":Ljava/util/regex/Matcher;
    :cond_51
    new-instance v8, Lcom/google/android/exoplayer2/ParserException;

    new-instance v10, Ljava/lang/StringBuilder;

    invoke-direct {v10}, Ljava/lang/StringBuilder;-><init>()V

    const-string v11, "X-TIMESTAMP-MAP doesn\'t contain media timestamp: "

    invoke-virtual {v10, v11}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v10, v7}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v10}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v10

    invoke-direct {v8, v10}, Lcom/google/android/exoplayer2/ParserException;-><init>(Ljava/lang/String;)V

    throw v8

    .line 147
    .end local v9    # "mediaTimestampMatcher":Ljava/util/regex/Matcher;
    :cond_68
    new-instance v8, Lcom/google/android/exoplayer2/ParserException;

    new-instance v9, Ljava/lang/StringBuilder;

    invoke-direct {v9}, Ljava/lang/StringBuilder;-><init>()V

    const-string v10, "X-TIMESTAMP-MAP doesn\'t contain local timestamp: "

    invoke-virtual {v9, v10}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v9, v7}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v9}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v9

    invoke-direct {v8, v9}, Lcom/google/android/exoplayer2/ParserException;-><init>(Ljava/lang/String;)V

    throw v8

    .line 159
    .end local v6    # "localTimestampMatcher":Ljava/util/regex/Matcher;
    :cond_7f
    invoke-static {v1}, Lcom/google/android/exoplayer2/text/webvtt/WebvttParserUtil;->findNextCueHeader(Lcom/google/android/exoplayer2/util/ParsableByteArray;)Ljava/util/regex/Matcher;

    move-result-object v6

    .line 160
    .local v6, "cueHeaderMatcher":Ljava/util/regex/Matcher;
    if-nez v6, :cond_8b

    .line 162
    const-wide/16 v8, 0x0

    invoke-direct {v0, v8, v9}, Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;->buildTrackOutput(J)Lcom/google/android/exoplayer2/extractor/TrackOutput;

    .line 163
    return-void

    .line 166
    :cond_8b
    invoke-virtual {v6, v8}, Ljava/util/regex/Matcher;->group(I)Ljava/lang/String;

    move-result-object v8

    invoke-static {v8}, Lcom/google/android/exoplayer2/text/webvtt/WebvttParserUtil;->parseTimestampUs(Ljava/lang/String;)J

    move-result-wide v8

    .line 167
    .local v8, "firstCueTimeUs":J
    iget-object v10, v0, Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;->timestampAdjuster:Lcom/google/android/exoplayer2/util/TimestampAdjuster;

    add-long v11, v8, v4

    sub-long/2addr v11, v2

    .line 168
    invoke-static {v11, v12}, Lcom/google/android/exoplayer2/util/TimestampAdjuster;->usToPts(J)J

    move-result-wide v11

    .line 167
    invoke-virtual {v10, v11, v12}, Lcom/google/android/exoplayer2/util/TimestampAdjuster;->adjustTsTimestamp(J)J

    move-result-wide v10

    .line 169
    .local v10, "sampleTimeUs":J
    sub-long v14, v10, v8

    .line 171
    .local v14, "subsampleOffsetUs":J
    invoke-direct {v0, v14, v15}, Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;->buildTrackOutput(J)Lcom/google/android/exoplayer2/extractor/TrackOutput;

    move-result-object v12

    .line 173
    .local v12, "trackOutput":Lcom/google/android/exoplayer2/extractor/TrackOutput;
    iget-object v13, v0, Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;->sampleDataWrapper:Lcom/google/android/exoplayer2/util/ParsableByteArray;

    move-object/from16 v20, v1

    .end local v1    # "webvttData":Lcom/google/android/exoplayer2/util/ParsableByteArray;
    .local v20, "webvttData":Lcom/google/android/exoplayer2/util/ParsableByteArray;
    iget-object v1, v0, Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;->sampleData:[B

    move-wide/from16 v21, v2

    .end local v2    # "vttTimestampUs":J
    .local v21, "vttTimestampUs":J
    iget v2, v0, Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;->sampleSize:I

    invoke-virtual {v13, v1, v2}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->reset([BI)V

    .line 174
    iget-object v1, v0, Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;->sampleDataWrapper:Lcom/google/android/exoplayer2/util/ParsableByteArray;

    iget v2, v0, Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;->sampleSize:I

    invoke-interface {v12, v1, v2}, Lcom/google/android/exoplayer2/extractor/TrackOutput;->sampleData(Lcom/google/android/exoplayer2/util/ParsableByteArray;I)V

    .line 175
    const/16 v16, 0x1

    iget v1, v0, Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;->sampleSize:I

    const/16 v18, 0x0

    const/16 v19, 0x0

    move-object v13, v12

    move-wide v2, v14

    .end local v14    # "subsampleOffsetUs":J
    .local v2, "subsampleOffsetUs":J
    move-wide v14, v10

    move/from16 v17, v1

    invoke-interface/range {v13 .. v19}, Lcom/google/android/exoplayer2/extractor/TrackOutput;->sampleMetadata(JIIILcom/google/android/exoplayer2/extractor/TrackOutput$CryptoData;)V

    .line 176
    return-void
.end method


# virtual methods
.method public init(Lcom/google/android/exoplayer2/extractor/ExtractorOutput;)V
    .registers 5
    .param p1, "output"    # Lcom/google/android/exoplayer2/extractor/ExtractorOutput;

    .line 91
    iput-object p1, p0, Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;->output:Lcom/google/android/exoplayer2/extractor/ExtractorOutput;

    .line 92
    new-instance v0, Lcom/google/android/exoplayer2/extractor/SeekMap$Unseekable;

    const-wide v1, -0x7fffffffffffffffL    # -4.9E-324

    invoke-direct {v0, v1, v2}, Lcom/google/android/exoplayer2/extractor/SeekMap$Unseekable;-><init>(J)V

    invoke-interface {p1, v0}, Lcom/google/android/exoplayer2/extractor/ExtractorOutput;->seekMap(Lcom/google/android/exoplayer2/extractor/SeekMap;)V

    .line 93
    return-void
.end method

.method public read(Lcom/google/android/exoplayer2/extractor/ExtractorInput;Lcom/google/android/exoplayer2/extractor/PositionHolder;)I
    .registers 8
    .param p1, "input"    # Lcom/google/android/exoplayer2/extractor/ExtractorInput;
    .param p2, "seekPosition"    # Lcom/google/android/exoplayer2/extractor/PositionHolder;
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;,
            Ljava/lang/InterruptedException;
        }
    .end annotation

    .line 109
    invoke-interface {p1}, Lcom/google/android/exoplayer2/extractor/ExtractorInput;->getLength()J

    move-result-wide v0

    long-to-int v1, v0

    .line 112
    .local v1, "currentFileSize":I
    iget v0, p0, Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;->sampleSize:I

    iget-object v2, p0, Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;->sampleData:[B

    array-length v3, v2

    const/4 v4, -0x1

    if-ne v0, v3, :cond_1c

    .line 113
    if-eq v1, v4, :cond_11

    move v0, v1

    goto :goto_12

    :cond_11
    array-length v0, v2

    :goto_12
    mul-int/lit8 v0, v0, 0x3

    div-int/lit8 v0, v0, 0x2

    invoke-static {v2, v0}, Ljava/util/Arrays;->copyOf([BI)[B

    move-result-object v0

    iput-object v0, p0, Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;->sampleData:[B

    .line 118
    :cond_1c
    iget-object v0, p0, Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;->sampleData:[B

    iget v2, p0, Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;->sampleSize:I

    array-length v3, v0

    sub-int/2addr v3, v2

    invoke-interface {p1, v0, v2, v3}, Lcom/google/android/exoplayer2/extractor/ExtractorInput;->read([BII)I

    move-result v0

    .line 119
    .local v0, "bytesRead":I
    if-eq v0, v4, :cond_33

    .line 120
    iget v2, p0, Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;->sampleSize:I

    add-int/2addr v2, v0

    iput v2, p0, Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;->sampleSize:I

    .line 121
    if-eq v1, v4, :cond_31

    if-eq v2, v1, :cond_33

    .line 122
    :cond_31
    const/4 v2, 0x0

    return v2

    .line 127
    :cond_33
    invoke-direct {p0}, Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;->processSample()V

    .line 128
    return v4
.end method

.method public release()V
    .registers 1

    .line 104
    return-void
.end method

.method public seek(JJ)V
    .registers 6
    .param p1, "position"    # J
    .param p3, "timeUs"    # J

    .line 98
    new-instance v0, Ljava/lang/IllegalStateException;

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

    throw v0
.end method

.method public sniff(Lcom/google/android/exoplayer2/extractor/ExtractorInput;)Z
    .registers 6
    .param p1, "input"    # Lcom/google/android/exoplayer2/extractor/ExtractorInput;
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;,
            Ljava/lang/InterruptedException;
        }
    .end annotation

    .line 73
    iget-object v0, p0, Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;->sampleData:[B

    const/4 v1, 0x6

    const/4 v2, 0x0

    invoke-interface {p1, v0, v2, v1, v2}, Lcom/google/android/exoplayer2/extractor/ExtractorInput;->peekFully([BIIZ)Z

    .line 75
    iget-object v0, p0, Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;->sampleDataWrapper:Lcom/google/android/exoplayer2/util/ParsableByteArray;

    iget-object v3, p0, Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;->sampleData:[B

    invoke-virtual {v0, v3, v1}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->reset([BI)V

    .line 76
    iget-object v0, p0, Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;->sampleDataWrapper:Lcom/google/android/exoplayer2/util/ParsableByteArray;

    invoke-static {v0}, Lcom/google/android/exoplayer2/text/webvtt/WebvttParserUtil;->isWebvttHeaderLine(Lcom/google/android/exoplayer2/util/ParsableByteArray;)Z

    move-result v0

    if-eqz v0, :cond_18

    .line 77
    const/4 v0, 0x1

    return v0

    .line 80
    :cond_18
    iget-object v0, p0, Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;->sampleData:[B

    const/4 v3, 0x3

    invoke-interface {p1, v0, v1, v3, v2}, Lcom/google/android/exoplayer2/extractor/ExtractorInput;->peekFully([BIIZ)Z

    .line 85
    iget-object v0, p0, Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;->sampleDataWrapper:Lcom/google/android/exoplayer2/util/ParsableByteArray;

    iget-object v1, p0, Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;->sampleData:[B

    const/16 v2, 0x9

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

    .line 86
    iget-object v0, p0, Lcom/google/android/exoplayer2/source/hls/WebvttExtractor;->sampleDataWrapper:Lcom/google/android/exoplayer2/util/ParsableByteArray;

    invoke-static {v0}, Lcom/google/android/exoplayer2/text/webvtt/WebvttParserUtil;->isWebvttHeaderLine(Lcom/google/android/exoplayer2/util/ParsableByteArray;)Z

    move-result v0

    return v0
.end method