ID3v1Info.smali

.class public Lim/tpelyyftgw/messenger/audioinfo/mp3/ID3v1Info;
.super Lim/tpelyyftgw/messenger/audioinfo/AudioInfo;
.source "ID3v1Info.java"


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

    return-void
.end method

.method public constructor <init>(Ljava/io/InputStream;)V
    .registers 6
    .param p1, "input"    # Ljava/io/InputStream;
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 34
    invoke-direct {p0}, Lim/tpelyyftgw/messenger/audioinfo/AudioInfo;-><init>()V

    .line 35
    invoke-static {p1}, Lim/tpelyyftgw/messenger/audioinfo/mp3/ID3v1Info;->isID3v1StartPosition(Ljava/io/InputStream;)Z

    move-result v0

    if-eqz v0, :cond_71

    .line 36
    const-string v0, "ID3"

    iput-object v0, p0, Lim/tpelyyftgw/messenger/audioinfo/mp3/ID3v1Info;->brand:Ljava/lang/String;

    .line 37
    const-string v0, "1.0"

    iput-object v0, p0, Lim/tpelyyftgw/messenger/audioinfo/mp3/ID3v1Info;->version:Ljava/lang/String;

    .line 38
    const/16 v0, 0x80

    invoke-virtual {p0, p1, v0}, Lim/tpelyyftgw/messenger/audioinfo/mp3/ID3v1Info;->readBytes(Ljava/io/InputStream;I)[B

    move-result-object v0

    .line 39
    .local v0, "bytes":[B
    const/4 v1, 0x3

    const/16 v2, 0x1e

    invoke-virtual {p0, v0, v1, v2}, Lim/tpelyyftgw/messenger/audioinfo/mp3/ID3v1Info;->extractString([BII)Ljava/lang/String;

    move-result-object v1

    iput-object v1, p0, Lim/tpelyyftgw/messenger/audioinfo/mp3/ID3v1Info;->title:Ljava/lang/String;

    .line 40
    const/16 v1, 0x21

    invoke-virtual {p0, v0, v1, v2}, Lim/tpelyyftgw/messenger/audioinfo/mp3/ID3v1Info;->extractString([BII)Ljava/lang/String;

    move-result-object v1

    iput-object v1, p0, Lim/tpelyyftgw/messenger/audioinfo/mp3/ID3v1Info;->artist:Ljava/lang/String;

    .line 41
    const/16 v1, 0x3f

    invoke-virtual {p0, v0, v1, v2}, Lim/tpelyyftgw/messenger/audioinfo/mp3/ID3v1Info;->extractString([BII)Ljava/lang/String;

    move-result-object v1

    iput-object v1, p0, Lim/tpelyyftgw/messenger/audioinfo/mp3/ID3v1Info;->album:Ljava/lang/String;

    .line 43
    const/16 v1, 0x5d

    const/4 v3, 0x4

    :try_start_33
    invoke-virtual {p0, v0, v1, v3}, Lim/tpelyyftgw/messenger/audioinfo/mp3/ID3v1Info;->extractString([BII)Ljava/lang/String;

    move-result-object v1

    invoke-static {v1}, Ljava/lang/Short;->parseShort(Ljava/lang/String;)S

    move-result v1

    iput-short v1, p0, Lim/tpelyyftgw/messenger/audioinfo/mp3/ID3v1Info;->year:S
    :try_end_3d
    .catch Ljava/lang/NumberFormatException; {:try_start_33 .. :try_end_3d} :catch_3e

    .line 46
    goto :goto_42

    .line 44
    :catch_3e
    move-exception v1

    .line 45
    .local v1, "e":Ljava/lang/NumberFormatException;
    const/4 v3, 0x0

    iput-short v3, p0, Lim/tpelyyftgw/messenger/audioinfo/mp3/ID3v1Info;->year:S

    .line 47
    .end local v1    # "e":Ljava/lang/NumberFormatException;
    :goto_42
    const/16 v1, 0x61

    invoke-virtual {p0, v0, v1, v2}, Lim/tpelyyftgw/messenger/audioinfo/mp3/ID3v1Info;->extractString([BII)Ljava/lang/String;

    move-result-object v1

    iput-object v1, p0, Lim/tpelyyftgw/messenger/audioinfo/mp3/ID3v1Info;->comment:Ljava/lang/String;

    .line 48
    const/16 v1, 0x7f

    aget-byte v1, v0, v1

    invoke-static {v1}, Lim/tpelyyftgw/messenger/audioinfo/mp3/ID3v1Genre;->getGenre(I)Lim/tpelyyftgw/messenger/audioinfo/mp3/ID3v1Genre;

    move-result-object v1

    .line 49
    .local v1, "id3v1Genre":Lim/tpelyyftgw/messenger/audioinfo/mp3/ID3v1Genre;
    if-eqz v1, :cond_5a

    .line 50
    invoke-virtual {v1}, Lim/tpelyyftgw/messenger/audioinfo/mp3/ID3v1Genre;->getDescription()Ljava/lang/String;

    move-result-object v2

    iput-object v2, p0, Lim/tpelyyftgw/messenger/audioinfo/mp3/ID3v1Info;->genre:Ljava/lang/String;

    .line 56
    :cond_5a
    const/16 v2, 0x7d

    aget-byte v2, v0, v2

    if-nez v2, :cond_71

    const/16 v2, 0x7e

    aget-byte v3, v0, v2

    if-eqz v3, :cond_71

    .line 57
    const-string v3, "1.1"

    iput-object v3, p0, Lim/tpelyyftgw/messenger/audioinfo/mp3/ID3v1Info;->version:Ljava/lang/String;

    .line 58
    aget-byte v2, v0, v2

    and-int/lit16 v2, v2, 0xff

    int-to-short v2, v2

    iput-short v2, p0, Lim/tpelyyftgw/messenger/audioinfo/mp3/ID3v1Info;->track:S

    .line 61
    .end local v0    # "bytes":[B
    .end local v1    # "id3v1Genre":Lim/tpelyyftgw/messenger/audioinfo/mp3/ID3v1Genre;
    :cond_71
    return-void
.end method

.method public static isID3v1StartPosition(Ljava/io/InputStream;)Z
    .registers 3
    .param p0, "input"    # Ljava/io/InputStream;
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 26
    const/4 v0, 0x3

    invoke-virtual {p0, v0}, Ljava/io/InputStream;->mark(I)V

    .line 28
    :try_start_4
    invoke-virtual {p0}, Ljava/io/InputStream;->read()I

    move-result v0

    const/16 v1, 0x54

    if-ne v0, v1, :cond_1e

    invoke-virtual {p0}, Ljava/io/InputStream;->read()I

    move-result v0

    const/16 v1, 0x41

    if-ne v0, v1, :cond_1e

    invoke-virtual {p0}, Ljava/io/InputStream;->read()I

    move-result v0
    :try_end_18
    .catchall {:try_start_4 .. :try_end_18} :catchall_23

    const/16 v1, 0x47

    if-ne v0, v1, :cond_1e

    const/4 v0, 0x1

    goto :goto_1f

    :cond_1e
    const/4 v0, 0x0

    .line 30
    :goto_1f
    invoke-virtual {p0}, Ljava/io/InputStream;->reset()V

    .line 28
    return v0

    .line 30
    :catchall_23
    move-exception v0

    invoke-virtual {p0}, Ljava/io/InputStream;->reset()V

    .line 31
    throw v0
.end method


# virtual methods
.method extractString([BII)Ljava/lang/String;
    .registers 7
    .param p1, "bytes"    # [B
    .param p2, "offset"    # I
    .param p3, "length"    # I

    .line 79
    :try_start_0
    new-instance v0, Ljava/lang/String;

    const-string v1, "ISO-8859-1"

    invoke-direct {v0, p1, p2, p3, v1}, Ljava/lang/String;-><init>([BIILjava/lang/String;)V

    .line 80
    .local v0, "text":Ljava/lang/String;
    const/4 v1, 0x0

    invoke-virtual {v0, v1}, Ljava/lang/String;->indexOf(I)I

    move-result v2

    .line 81
    .local v2, "zeroIndex":I
    if-gez v2, :cond_10

    move-object v1, v0

    goto :goto_14

    :cond_10
    invoke-virtual {v0, v1, v2}, Ljava/lang/String;->substring(II)Ljava/lang/String;

    move-result-object v1
    :try_end_14
    .catch Ljava/lang/Exception; {:try_start_0 .. :try_end_14} :catch_15

    :goto_14
    return-object v1

    .line 82
    .end local v0    # "text":Ljava/lang/String;
    .end local v2    # "zeroIndex":I
    :catch_15
    move-exception v0

    .line 83
    .local v0, "e":Ljava/lang/Exception;
    const-string v1, ""

    return-object v1
.end method

.method readBytes(Ljava/io/InputStream;I)[B
    .registers 7
    .param p1, "input"    # Ljava/io/InputStream;
    .param p2, "len"    # I
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 64
    const/4 v0, 0x0

    .line 65
    .local v0, "total":I
    new-array v1, p2, [B

    .line 66
    .local v1, "bytes":[B
    :goto_3
    if-ge v0, p2, :cond_15

    .line 67
    sub-int v2, p2, v0

    invoke-virtual {p1, v1, v0, v2}, Ljava/io/InputStream;->read([BII)I

    move-result v2

    .line 68
    .local v2, "current":I
    if-lez v2, :cond_f

    .line 69
    add-int/2addr v0, v2

    .line 73
    .end local v2    # "current":I
    goto :goto_3

    .line 71
    .restart local v2    # "current":I
    :cond_f
    new-instance v3, Ljava/io/EOFException;

    invoke-direct {v3}, Ljava/io/EOFException;-><init>()V

    throw v3

    .line 74
    .end local v2    # "current":I
    :cond_15
    return-object v1
.end method