ByteBufferHelper.smali

.class public Lcom/googlecode/mp4parser/authoring/builder/ByteBufferHelper;
.super Ljava/lang/Object;
.source "ByteBufferHelper.java"


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

    return-void
.end method

.method public constructor <init>()V
    .registers 1

    .line 26
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    return-void
.end method

.method public static mergeAdjacentBuffers(Ljava/util/List;)Ljava/util/List;
    .registers 10
    .annotation system Ldalvik/annotation/Signature;
        value = {
            "(",
            "Ljava/util/List<",
            "Ljava/nio/ByteBuffer;",
            ">;)",
            "Ljava/util/List<",
            "Ljava/nio/ByteBuffer;",
            ">;"
        }
    .end annotation

    .line 28
    .local p0, "samples":Ljava/util/List;, "Ljava/util/List<Ljava/nio/ByteBuffer;>;"
    new-instance v0, Ljava/util/ArrayList;

    invoke-interface {p0}, Ljava/util/List;->size()I

    move-result v1

    invoke-direct {v0, v1}, Ljava/util/ArrayList;-><init>(I)V

    .line 29
    .local v0, "nuSamples":Ljava/util/ArrayList;, "Ljava/util/ArrayList<Ljava/nio/ByteBuffer;>;"
    invoke-interface {p0}, Ljava/util/List;->iterator()Ljava/util/Iterator;

    move-result-object v1

    :goto_d
    invoke-interface {v1}, Ljava/util/Iterator;->hasNext()Z

    move-result v2

    if-nez v2, :cond_14

    .line 48
    return-object v0

    .line 29
    :cond_14
    invoke-interface {v1}, Ljava/util/Iterator;->next()Ljava/lang/Object;

    move-result-object v2

    check-cast v2, Ljava/nio/ByteBuffer;

    .line 30
    .local v2, "buffer":Ljava/nio/ByteBuffer;
    invoke-virtual {v0}, Ljava/util/ArrayList;->size()I

    move-result v3

    add-int/lit8 v3, v3, -0x1

    .line 31
    .local v3, "lastIndex":I
    if-ltz v3, :cond_82

    invoke-virtual {v2}, Ljava/nio/ByteBuffer;->hasArray()Z

    move-result v4

    if-eqz v4, :cond_82

    invoke-virtual {v0, v3}, Ljava/util/ArrayList;->get(I)Ljava/lang/Object;

    move-result-object v4

    check-cast v4, Ljava/nio/ByteBuffer;

    invoke-virtual {v4}, Ljava/nio/ByteBuffer;->hasArray()Z

    move-result v4

    if-eqz v4, :cond_82

    invoke-virtual {v2}, Ljava/nio/ByteBuffer;->array()[B

    move-result-object v4

    invoke-virtual {v0, v3}, Ljava/util/ArrayList;->get(I)Ljava/lang/Object;

    move-result-object v5

    check-cast v5, Ljava/nio/ByteBuffer;

    invoke-virtual {v5}, Ljava/nio/ByteBuffer;->array()[B

    move-result-object v5

    if-ne v4, v5, :cond_82

    .line 32
    invoke-virtual {v0, v3}, Ljava/util/ArrayList;->get(I)Ljava/lang/Object;

    move-result-object v4

    check-cast v4, Ljava/nio/ByteBuffer;

    invoke-virtual {v4}, Ljava/nio/ByteBuffer;->arrayOffset()I

    move-result v4

    invoke-virtual {v0, v3}, Ljava/util/ArrayList;->get(I)Ljava/lang/Object;

    move-result-object v5

    check-cast v5, Ljava/nio/ByteBuffer;

    invoke-virtual {v5}, Ljava/nio/ByteBuffer;->limit()I

    move-result v5

    add-int/2addr v4, v5

    invoke-virtual {v2}, Ljava/nio/ByteBuffer;->arrayOffset()I

    move-result v5

    if-ne v4, v5, :cond_82

    .line 33
    invoke-virtual {v0, v3}, Ljava/util/ArrayList;->remove(I)Ljava/lang/Object;

    move-result-object v4

    check-cast v4, Ljava/nio/ByteBuffer;

    .line 34
    .local v4, "oldBuffer":Ljava/nio/ByteBuffer;
    invoke-virtual {v2}, Ljava/nio/ByteBuffer;->array()[B

    move-result-object v5

    invoke-virtual {v4}, Ljava/nio/ByteBuffer;->arrayOffset()I

    move-result v6

    invoke-virtual {v4}, Ljava/nio/ByteBuffer;->limit()I

    move-result v7

    invoke-virtual {v2}, Ljava/nio/ByteBuffer;->limit()I

    move-result v8

    add-int/2addr v7, v8

    invoke-static {v5, v6, v7}, Ljava/nio/ByteBuffer;->wrap([BII)Ljava/nio/ByteBuffer;

    move-result-object v5

    invoke-virtual {v5}, Ljava/nio/ByteBuffer;->slice()Ljava/nio/ByteBuffer;

    move-result-object v5

    .line 36
    .local v5, "nu":Ljava/nio/ByteBuffer;
    invoke-virtual {v0, v5}, Ljava/util/ArrayList;->add(Ljava/lang/Object;)Z

    .line 37
    .end local v4    # "oldBuffer":Ljava/nio/ByteBuffer;
    .end local v5    # "nu":Ljava/nio/ByteBuffer;
    goto :goto_d

    :cond_82
    if-ltz v3, :cond_bf

    .line 38
    instance-of v4, v2, Ljava/nio/MappedByteBuffer;

    if-eqz v4, :cond_bf

    invoke-virtual {v0, v3}, Ljava/util/ArrayList;->get(I)Ljava/lang/Object;

    move-result-object v4

    instance-of v4, v4, Ljava/nio/MappedByteBuffer;

    if-eqz v4, :cond_bf

    .line 39
    invoke-virtual {v0, v3}, Ljava/util/ArrayList;->get(I)Ljava/lang/Object;

    move-result-object v4

    check-cast v4, Ljava/nio/ByteBuffer;

    invoke-virtual {v4}, Ljava/nio/ByteBuffer;->limit()I

    move-result v4

    invoke-virtual {v0, v3}, Ljava/util/ArrayList;->get(I)Ljava/lang/Object;

    move-result-object v5

    check-cast v5, Ljava/nio/ByteBuffer;

    invoke-virtual {v5}, Ljava/nio/ByteBuffer;->capacity()I

    move-result v5

    invoke-virtual {v2}, Ljava/nio/ByteBuffer;->capacity()I

    move-result v6

    sub-int/2addr v5, v6

    if-ne v4, v5, :cond_bf

    .line 41
    invoke-virtual {v0, v3}, Ljava/util/ArrayList;->get(I)Ljava/lang/Object;

    move-result-object v4

    check-cast v4, Ljava/nio/ByteBuffer;

    .line 42
    .restart local v4    # "oldBuffer":Ljava/nio/ByteBuffer;
    invoke-virtual {v2}, Ljava/nio/ByteBuffer;->limit()I

    move-result v5

    invoke-virtual {v4}, Ljava/nio/ByteBuffer;->limit()I

    move-result v6

    add-int/2addr v5, v6

    invoke-virtual {v4, v5}, Ljava/nio/ByteBuffer;->limit(I)Ljava/nio/Buffer;

    .line 43
    .end local v4    # "oldBuffer":Ljava/nio/ByteBuffer;
    goto/16 :goto_d

    .line 44
    :cond_bf
    invoke-virtual {v2}, Ljava/nio/ByteBuffer;->reset()Ljava/nio/Buffer;

    .line 45
    invoke-virtual {v0, v2}, Ljava/util/ArrayList;->add(Ljava/lang/Object;)Z

    goto/16 :goto_d
.end method