H264SupportStatus.smali

.class public Lcom/facebook/common/h264/H264SupportStatus;
.super Ljava/lang/Object;
.source "SourceFile"


# static fields
.field private static final H264_HEADER:[B

.field private static final H264_HEADER_LENGTH:I

.field private static sH264BitmapFactory:Lcom/facebook/common/h264/H264BitmapFactory;

.field private static sH264Checked:Z


# direct methods
.method static constructor <clinit>()V
    .registers 2

    const/4 v0, 0x4

    new-array v1, v0, [B

    .line 12
    fill-array-data v1, :array_12

    .line 15
    sput-object v1, Lcom/facebook/common/h264/H264SupportStatus;->H264_HEADER:[B

    sput v0, Lcom/facebook/common/h264/H264SupportStatus;->H264_HEADER_LENGTH:I

    const/4 v0, 0x0

    .line 17
    sput-boolean v0, Lcom/facebook/common/h264/H264SupportStatus;->sH264Checked:Z

    const/4 v0, 0x0

    .line 19
    sput-object v0, Lcom/facebook/common/h264/H264SupportStatus;->sH264BitmapFactory:Lcom/facebook/common/h264/H264BitmapFactory;

    return-void

    nop

    :array_12
    .array-data 1
        0x0t
        0x0t
        0x0t
        0x1t
    .end array-data
.end method

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

    .line 10
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    return-void
.end method

.method public static isH264Header([BI)Z
    .registers 3

    .line 43
    sget v0, Lcom/facebook/common/h264/H264SupportStatus;->H264_HEADER_LENGTH:I

    if-ge p1, v0, :cond_6

    const/4 p0, 0x0

    return p0

    .line 46
    :cond_6
    sget-object p1, Lcom/facebook/common/h264/H264SupportStatus;->H264_HEADER:[B

    invoke-static {p0, p1}, Lcom/facebook/common/h264/H264SupportStatus;->startsWithPattern([B[B)Z

    move-result p0

    return p0
.end method

.method public static loadH264BitmapFactoryIfExists()Lcom/facebook/common/h264/H264BitmapFactory;
    .registers 2

    .line 23
    sget-boolean v0, Lcom/facebook/common/h264/H264SupportStatus;->sH264Checked:Z

    if-eqz v0, :cond_7

    .line 24
    sget-object v0, Lcom/facebook/common/h264/H264SupportStatus;->sH264BitmapFactory:Lcom/facebook/common/h264/H264BitmapFactory;

    return-object v0

    :cond_7
    const/4 v0, 0x0

    :try_start_8
    const-string v1, "com.facebook.h264.H264BitmapFactoryImpl"

    .line 29
    invoke-static {v1}, Ljava/lang/Class;->forName(Ljava/lang/String;)Ljava/lang/Class;

    move-result-object v1

    .line 30
    invoke-virtual {v1}, Ljava/lang/Class;->newInstance()Ljava/lang/Object;

    move-result-object v1

    check-cast v1, Lcom/facebook/common/h264/H264BitmapFactory;
    :try_end_14
    .catchall {:try_start_8 .. :try_end_14} :catchall_16

    move-object v0, v1

    goto :goto_17

    :catchall_16
    nop

    :goto_17
    const/4 v1, 0x1

    .line 34
    sput-boolean v1, Lcom/facebook/common/h264/H264SupportStatus;->sH264Checked:Z

    .line 35
    sget-object v1, Lcom/facebook/common/h264/H264SupportStatus;->sH264BitmapFactory:Lcom/facebook/common/h264/H264BitmapFactory;

    if-nez v1, :cond_20

    .line 36
    sput-object v0, Lcom/facebook/common/h264/H264SupportStatus;->sH264BitmapFactory:Lcom/facebook/common/h264/H264BitmapFactory;

    :cond_20
    return-object v0
.end method

.method public static startsWithPattern([B[B)Z
    .registers 6

    .line 52
    invoke-static {p0}, Lcom/facebook/common/internal/Preconditions;->checkNotNull(Ljava/lang/Object;)Ljava/lang/Object;

    .line 53
    invoke-static {p1}, Lcom/facebook/common/internal/Preconditions;->checkNotNull(Ljava/lang/Object;)Ljava/lang/Object;

    .line 54
    array-length v0, p1

    array-length v1, p0

    const/4 v2, 0x0

    if-le v0, v1, :cond_c

    return v2

    :cond_c
    const/4 v0, 0x0

    .line 58
    :goto_d
    array-length v1, p1

    if-ge v0, v1, :cond_1a

    .line 59
    aget-byte v1, p0, v0

    aget-byte v3, p1, v0

    if-eq v1, v3, :cond_17

    return v2

    :cond_17
    add-int/lit8 v0, v0, 0x1

    goto :goto_d

    :cond_1a
    const/4 p0, 0x1

    return p0
.end method