MP4Box.smali

.class public Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box;
.super Ljava/lang/Object;
.source "MP4Box.java"


# annotations
.annotation system Ldalvik/annotation/Signature;
    value = {
        "<I:",
        "Lim/tpelyyftgw/messenger/audioinfo/util/PositionInputStream;",
        ">",
        "Ljava/lang/Object;"
    }
.end annotation


# static fields
.field protected static final ASCII:Ljava/lang/String; = "ISO8859_1"


# instance fields
.field private child:Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Atom;

.field protected final data:Ljava/io/DataInput;

.field private final input:Lim/tpelyyftgw/messenger/audioinfo/util/PositionInputStream;
    .annotation system Ldalvik/annotation/Signature;
        value = {
            "TI;"
        }
    .end annotation
.end field

.field private final parent:Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box;
    .annotation system Ldalvik/annotation/Signature;
        value = {
            "Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box<",
            "*>;"
        }
    .end annotation
.end field

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


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

    return-void
.end method

.method public constructor <init>(Lim/tpelyyftgw/messenger/audioinfo/util/PositionInputStream;Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box;Ljava/lang/String;)V
    .registers 5
    .param p3, "type"    # Ljava/lang/String;
    .annotation system Ldalvik/annotation/Signature;
        value = {
            "(TI;",
            "Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box<",
            "*>;",
            "Ljava/lang/String;",
            ")V"
        }
    .end annotation

    .line 36
    .local p0, "this":Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box;, "Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box<TI;>;"
    .local p1, "input":Lim/tpelyyftgw/messenger/audioinfo/util/PositionInputStream;, "TI;"
    .local p2, "parent":Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box;, "Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box<*>;"
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    .line 37
    iput-object p1, p0, Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box;->input:Lim/tpelyyftgw/messenger/audioinfo/util/PositionInputStream;

    .line 38
    iput-object p2, p0, Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box;->parent:Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box;

    .line 39
    iput-object p3, p0, Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box;->type:Ljava/lang/String;

    .line 40
    new-instance v0, Ljava/io/DataInputStream;

    invoke-direct {v0, p1}, Ljava/io/DataInputStream;-><init>(Ljava/io/InputStream;)V

    iput-object v0, p0, Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box;->data:Ljava/io/DataInput;

    .line 41
    return-void
.end method


# virtual methods
.method protected getChild()Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Atom;
    .registers 2

    .line 60
    .local p0, "this":Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box;, "Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box<TI;>;"
    iget-object v0, p0, Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box;->child:Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Atom;

    return-object v0
.end method

.method public getInput()Lim/tpelyyftgw/messenger/audioinfo/util/PositionInputStream;
    .registers 2
    .annotation system Ldalvik/annotation/Signature;
        value = {
            "()TI;"
        }
    .end annotation

    .line 56
    .local p0, "this":Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box;, "Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box<TI;>;"
    iget-object v0, p0, Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box;->input:Lim/tpelyyftgw/messenger/audioinfo/util/PositionInputStream;

    return-object v0
.end method

.method public getParent()Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box;
    .registers 2
    .annotation system Ldalvik/annotation/Signature;
        value = {
            "()",
            "Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box<",
            "*>;"
        }
    .end annotation

    .line 48
    .local p0, "this":Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box;, "Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box<TI;>;"
    iget-object v0, p0, Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box;->parent:Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box;

    return-object v0
.end method

.method public getPosition()J
    .registers 3

    .line 52
    .local p0, "this":Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box;, "Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box<TI;>;"
    iget-object v0, p0, Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box;->input:Lim/tpelyyftgw/messenger/audioinfo/util/PositionInputStream;

    invoke-virtual {v0}, Lim/tpelyyftgw/messenger/audioinfo/util/PositionInputStream;->getPosition()J

    move-result-wide v0

    return-wide v0
.end method

.method public getType()Ljava/lang/String;
    .registers 2

    .line 44
    .local p0, "this":Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box;, "Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box<TI;>;"
    iget-object v0, p0, Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box;->type:Ljava/lang/String;

    return-object v0
.end method

.method public nextChild()Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Atom;
    .registers 13
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 64
    .local p0, "this":Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box;, "Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box<TI;>;"
    iget-object v0, p0, Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box;->child:Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Atom;

    if-eqz v0, :cond_7

    .line 65
    invoke-virtual {v0}, Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Atom;->skip()V

    .line 67
    :cond_7
    iget-object v0, p0, Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box;->data:Ljava/io/DataInput;

    invoke-interface {v0}, Ljava/io/DataInput;->readInt()I

    move-result v0

    .line 68
    .local v0, "atomLength":I
    const/4 v1, 0x4

    new-array v1, v1, [B

    .line 69
    .local v1, "typeBytes":[B
    iget-object v2, p0, Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box;->data:Ljava/io/DataInput;

    invoke-interface {v2, v1}, Ljava/io/DataInput;->readFully([B)V

    .line 70
    new-instance v2, Ljava/lang/String;

    const-string v3, "ISO8859_1"

    invoke-direct {v2, v1, v3}, Ljava/lang/String;-><init>([BLjava/lang/String;)V

    .line 72
    .local v2, "atomType":Ljava/lang/String;
    const/4 v3, 0x1

    if-ne v0, v3, :cond_33

    .line 73
    new-instance v3, Lim/tpelyyftgw/messenger/audioinfo/util/RangeInputStream;

    iget-object v5, p0, Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box;->input:Lim/tpelyyftgw/messenger/audioinfo/util/PositionInputStream;

    const-wide/16 v6, 0x10

    iget-object v4, p0, Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box;->data:Ljava/io/DataInput;

    invoke-interface {v4}, Ljava/io/DataInput;->readLong()J

    move-result-wide v8

    const-wide/16 v10, 0x10

    sub-long/2addr v8, v10

    move-object v4, v3

    invoke-direct/range {v4 .. v9}, Lim/tpelyyftgw/messenger/audioinfo/util/RangeInputStream;-><init>(Ljava/io/InputStream;JJ)V

    .local v3, "atomInput":Lim/tpelyyftgw/messenger/audioinfo/util/RangeInputStream;
    goto :goto_40

    .line 75
    .end local v3    # "atomInput":Lim/tpelyyftgw/messenger/audioinfo/util/RangeInputStream;
    :cond_33
    new-instance v3, Lim/tpelyyftgw/messenger/audioinfo/util/RangeInputStream;

    iget-object v5, p0, Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box;->input:Lim/tpelyyftgw/messenger/audioinfo/util/PositionInputStream;

    const-wide/16 v6, 0x8

    add-int/lit8 v4, v0, -0x8

    int-to-long v8, v4

    move-object v4, v3

    invoke-direct/range {v4 .. v9}, Lim/tpelyyftgw/messenger/audioinfo/util/RangeInputStream;-><init>(Ljava/io/InputStream;JJ)V

    .line 77
    .restart local v3    # "atomInput":Lim/tpelyyftgw/messenger/audioinfo/util/RangeInputStream;
    :goto_40
    new-instance v4, Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Atom;

    invoke-direct {v4, v3, p0, v2}, Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Atom;-><init>(Lim/tpelyyftgw/messenger/audioinfo/util/RangeInputStream;Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box;Ljava/lang/String;)V

    iput-object v4, p0, Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box;->child:Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Atom;

    return-object v4
.end method

.method public nextChild(Ljava/lang/String;)Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Atom;
    .registers 6
    .param p1, "expectedTypeExpression"    # Ljava/lang/String;
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 81
    .local p0, "this":Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box;, "Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box<TI;>;"
    invoke-virtual {p0}, Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Box;->nextChild()Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Atom;

    move-result-object v0

    .line 82
    .local v0, "atom":Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Atom;
    invoke-virtual {v0}, Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Atom;->getType()Ljava/lang/String;

    move-result-object v1

    invoke-virtual {v1, p1}, Ljava/lang/String;->matches(Ljava/lang/String;)Z

    move-result v1

    if-eqz v1, :cond_f

    .line 83
    return-object v0

    .line 85
    :cond_f
    new-instance v1, Ljava/io/IOException;

    new-instance v2, Ljava/lang/StringBuilder;

    invoke-direct {v2}, Ljava/lang/StringBuilder;-><init>()V

    const-string v3, "atom type mismatch, expected "

    invoke-virtual {v2, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v2, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    const-string v3, ", got "

    invoke-virtual {v2, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v0}, Lim/tpelyyftgw/messenger/audioinfo/m4a/MP4Atom;->getType()Ljava/lang/String;

    move-result-object v3

    invoke-virtual {v2, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v2}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v2

    invoke-direct {v1, v2}, Ljava/io/IOException;-><init>(Ljava/lang/String;)V

    throw v1
.end method