NalUnitUtil.smali

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


# annotations
.annotation system Ldalvik/annotation/MemberClasses;
    value = {
        Lcom/google/android/exoplayer2/util/NalUnitUtil$PpsData;,
        Lcom/google/android/exoplayer2/util/NalUnitUtil$SpsData;
    }
.end annotation


# static fields
.field public static final ASPECT_RATIO_IDC_VALUES:[F

.field public static final EXTENDED_SAR:I = 0xff

.field public static final NAL_START_CODE:[B

.field private static final NAL_UNIT_TYPE_SPS:I = 0x7

.field private static final TAG:Ljava/lang/String; = "NalUnitUtil"

.field private static scratchEscapePositions:[I

.field private static final scratchEscapePositionsLock:Ljava/lang/Object;


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

    const/4 v0, 0x4

    new-array v0, v0, [B

    .line 81
    fill-array-data v0, :array_20

    sput-object v0, Lcom/google/android/exoplayer2/util/NalUnitUtil;->NAL_START_CODE:[B

    const/16 v0, 0x11

    new-array v0, v0, [F

    .line 86
    fill-array-data v0, :array_26

    sput-object v0, Lcom/google/android/exoplayer2/util/NalUnitUtil;->ASPECT_RATIO_IDC_VALUES:[F

    .line 108
    new-instance v0, Ljava/lang/Object;

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

    sput-object v0, Lcom/google/android/exoplayer2/util/NalUnitUtil;->scratchEscapePositionsLock:Ljava/lang/Object;

    const/16 v0, 0xa

    new-array v0, v0, [I

    .line 114
    sput-object v0, Lcom/google/android/exoplayer2/util/NalUnitUtil;->scratchEscapePositions:[I

    return-void

    nop

    :array_20
    .array-data 1
        0x0t
        0x0t
        0x0t
        0x1t
    .end array-data

    :array_26
    .array-data 4
        0x3f800000    # 1.0f
        0x3f800000    # 1.0f
        0x3f8ba2e9
        0x3f68ba2f
        0x3fba2e8c
        0x3f9b26ca
        0x400ba2e9
        0x3fe8ba2f
        0x403a2e8c
        0x401b26ca
        0x3fd1745d
        0x3fae8ba3
        0x3ff83e10
        0x3fcede62
        0x3faaaaab
        0x3fc00000    # 1.5f
        0x40000000    # 2.0f
    .end array-data
.end method

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

    .line 469
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    return-void
.end method

.method public static clearPrefixFlags([Z)V
    .registers 3

    const/4 v0, 0x0

    .line 443
    aput-boolean v0, p0, v0

    const/4 v1, 0x1

    .line 444
    aput-boolean v0, p0, v1

    const/4 v1, 0x2

    .line 445
    aput-boolean v0, p0, v1

    return-void
.end method

.method public static discardToSps(Ljava/nio/ByteBuffer;)V
    .registers 10

    .line 173
    invoke-virtual {p0}, Ljava/nio/ByteBuffer;->position()I

    move-result v0

    const/4 v1, 0x0

    const/4 v2, 0x0

    const/4 v3, 0x0

    :goto_7
    add-int/lit8 v4, v2, 0x1

    if-ge v4, v0, :cond_3b

    .line 177
    invoke-virtual {p0, v2}, Ljava/nio/ByteBuffer;->get(I)B

    move-result v5

    and-int/lit16 v5, v5, 0xff

    const/4 v6, 0x3

    if-ne v3, v6, :cond_32

    const/4 v7, 0x1

    if-ne v5, v7, :cond_36

    .line 179
    invoke-virtual {p0, v4}, Ljava/nio/ByteBuffer;->get(I)B

    move-result v7

    and-int/lit8 v7, v7, 0x1f

    const/4 v8, 0x7

    if-ne v7, v8, :cond_36

    .line 181
    invoke-virtual {p0}, Ljava/nio/ByteBuffer;->duplicate()Ljava/nio/ByteBuffer;

    move-result-object v3

    sub-int/2addr v2, v6

    .line 182
    invoke-virtual {v3, v2}, Ljava/nio/ByteBuffer;->position(I)Ljava/nio/Buffer;

    .line 183
    invoke-virtual {v3, v0}, Ljava/nio/ByteBuffer;->limit(I)Ljava/nio/Buffer;

    .line 184
    invoke-virtual {p0, v1}, Ljava/nio/ByteBuffer;->position(I)Ljava/nio/Buffer;

    .line 185
    invoke-virtual {p0, v3}, Ljava/nio/ByteBuffer;->put(Ljava/nio/ByteBuffer;)Ljava/nio/ByteBuffer;

    return-void

    :cond_32
    if-nez v5, :cond_36

    add-int/lit8 v3, v3, 0x1

    :cond_36
    if-eqz v5, :cond_39

    const/4 v3, 0x0

    :cond_39
    move v2, v4

    goto :goto_7

    .line 197
    :cond_3b
    invoke-virtual {p0}, Ljava/nio/ByteBuffer;->clear()Ljava/nio/Buffer;

    return-void
.end method

.method public static findNalUnit([BII[Z)I
    .registers 11

    sub-int v0, p2, p1

    const/4 v1, 0x0

    const/4 v2, 0x1

    if-ltz v0, :cond_8

    const/4 v3, 0x1

    goto :goto_9

    :cond_8
    const/4 v3, 0x0

    .line 383
    :goto_9
    invoke-static {v3}, Lcom/google/android/exoplayer2/util/Assertions;->checkState(Z)V

    if-nez v0, :cond_f

    return p2

    :cond_f
    const/4 v3, 0x2

    if-eqz p3, :cond_40

    .line 389
    aget-boolean v4, p3, v1

    if-eqz v4, :cond_1c

    .line 390
    invoke-static {p3}, Lcom/google/android/exoplayer2/util/NalUnitUtil;->clearPrefixFlags([Z)V

    add-int/lit8 p1, p1, -0x3

    return p1

    :cond_1c
    if-le v0, v2, :cond_2b

    .line 392
    aget-boolean v4, p3, v2

    if-eqz v4, :cond_2b

    aget-byte v4, p0, p1

    if-ne v4, v2, :cond_2b

    .line 393
    invoke-static {p3}, Lcom/google/android/exoplayer2/util/NalUnitUtil;->clearPrefixFlags([Z)V

    sub-int/2addr p1, v3

    return p1

    :cond_2b
    if-le v0, v3, :cond_40

    .line 395
    aget-boolean v4, p3, v3

    if-eqz v4, :cond_40

    aget-byte v4, p0, p1

    if-nez v4, :cond_40

    add-int/lit8 v4, p1, 0x1

    aget-byte v4, p0, v4

    if-ne v4, v2, :cond_40

    .line 397
    invoke-static {p3}, Lcom/google/android/exoplayer2/util/NalUnitUtil;->clearPrefixFlags([Z)V

    sub-int/2addr p1, v2

    return p1

    :cond_40
    add-int/lit8 v4, p2, -0x1

    add-int/2addr p1, v3

    :goto_43
    if-ge p1, v4, :cond_67

    .line 406
    aget-byte v5, p0, p1

    and-int/lit16 v5, v5, 0xfe

    if-eqz v5, :cond_4c

    goto :goto_64

    :cond_4c
    add-int/lit8 v5, p1, -0x2

    .line 409
    aget-byte v6, p0, v5

    if-nez v6, :cond_62

    add-int/lit8 v6, p1, -0x1

    aget-byte v6, p0, v6

    if-nez v6, :cond_62

    aget-byte v6, p0, p1

    if-ne v6, v2, :cond_62

    if-eqz p3, :cond_61

    .line 411
    invoke-static {p3}, Lcom/google/android/exoplayer2/util/NalUnitUtil;->clearPrefixFlags([Z)V

    :cond_61
    return v5

    :cond_62
    add-int/lit8 p1, p1, -0x2

    :goto_64
    add-int/lit8 p1, p1, 0x3

    goto :goto_43

    :cond_67
    if-eqz p3, :cond_bb

    if-le v0, v3, :cond_7e

    add-int/lit8 p1, p2, -0x3

    .line 423
    aget-byte p1, p0, p1

    if-nez p1, :cond_7c

    add-int/lit8 p1, p2, -0x2

    aget-byte p1, p0, p1

    if-nez p1, :cond_7c

    aget-byte p1, p0, v4

    if-ne p1, v2, :cond_7c

    goto :goto_97

    :cond_7c
    const/4 p1, 0x0

    goto :goto_98

    :cond_7e
    if-ne v0, v3, :cond_8f

    aget-boolean p1, p3, v3

    if-eqz p1, :cond_7c

    add-int/lit8 p1, p2, -0x2

    aget-byte p1, p0, p1

    if-nez p1, :cond_7c

    aget-byte p1, p0, v4

    if-ne p1, v2, :cond_7c

    goto :goto_97

    :cond_8f
    aget-boolean p1, p3, v2

    if-eqz p1, :cond_7c

    aget-byte p1, p0, v4

    if-ne p1, v2, :cond_7c

    :goto_97
    const/4 p1, 0x1

    :goto_98
    aput-boolean p1, p3, v1

    if-le v0, v2, :cond_a7

    add-int/lit8 p1, p2, -0x2

    .line 428
    aget-byte p1, p0, p1

    if-nez p1, :cond_b1

    aget-byte p1, p0, v4

    if-nez p1, :cond_b1

    goto :goto_af

    :cond_a7
    aget-boolean p1, p3, v3

    if-eqz p1, :cond_b1

    aget-byte p1, p0, v4

    if-nez p1, :cond_b1

    :goto_af
    const/4 p1, 0x1

    goto :goto_b2

    :cond_b1
    const/4 p1, 0x0

    :goto_b2
    aput-boolean p1, p3, v2

    .line 431
    aget-byte p0, p0, v4

    if-nez p0, :cond_b9

    const/4 v1, 0x1

    :cond_b9
    aput-boolean v1, p3, v3

    :cond_bb
    return p2
.end method

.method private static findNextUnescapeIndex([BII)I
    .registers 5

    :goto_0
    add-int/lit8 v0, p2, -0x2

    if-ge p1, v0, :cond_19

    .line 450
    aget-byte v0, p0, p1

    if-nez v0, :cond_16

    add-int/lit8 v0, p1, 0x1

    aget-byte v0, p0, v0

    if-nez v0, :cond_16

    add-int/lit8 v0, p1, 0x2

    aget-byte v0, p0, v0

    const/4 v1, 0x3

    if-ne v0, v1, :cond_16

    return p1

    :cond_16
    add-int/lit8 p1, p1, 0x1

    goto :goto_0

    :cond_19
    return p2
.end method

.method public static getH265NalUnitType([BI)I
    .registers 2

    add-int/lit8 p1, p1, 0x3

    .line 221
    aget-byte p0, p0, p1

    and-int/lit8 p0, p0, 0x7e

    shr-int/lit8 p0, p0, 0x1

    return p0
.end method

.method public static getNalUnitType([BI)I
    .registers 2

    add-int/lit8 p1, p1, 0x3

    .line 209
    aget-byte p0, p0, p1

    and-int/lit8 p0, p0, 0x1f

    return p0
.end method

.method public static parsePpsNalUnit([BII)Lcom/google/android/exoplayer2/util/NalUnitUtil$PpsData;
    .registers 4

    .line 349
    new-instance v0, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;

    invoke-direct {v0, p0, p1, p2}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;-><init>([BII)V

    const/16 p0, 0x8

    .line 350
    invoke-virtual {v0, p0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->skipBits(I)V

    .line 351
    invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readUnsignedExpGolombCodedInt()I

    move-result p0

    .line 352
    invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readUnsignedExpGolombCodedInt()I

    move-result p1

    const/4 p2, 0x1

    .line 353
    invoke-virtual {v0, p2}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->skipBits(I)V

    .line 354
    invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readBit()Z

    move-result p2

    .line 355
    new-instance v0, Lcom/google/android/exoplayer2/util/NalUnitUtil$PpsData;

    invoke-direct {v0, p0, p1, p2}, Lcom/google/android/exoplayer2/util/NalUnitUtil$PpsData;-><init>(IIZ)V

    return-object v0
.end method

.method public static parseSpsNalUnit([BII)Lcom/google/android/exoplayer2/util/NalUnitUtil$SpsData;
    .registers 21

    .line 234
    new-instance v0, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;

    move-object/from16 v1, p0

    move/from16 v2, p1

    move/from16 v3, p2

    invoke-direct {v0, v1, v2, v3}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;-><init>([BII)V

    const/16 v1, 0x8

    .line 235
    invoke-virtual {v0, v1}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->skipBits(I)V

    .line 236
    invoke-virtual {v0, v1}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readBits(I)I

    move-result v2

    const/16 v3, 0x10

    .line 237
    invoke-virtual {v0, v3}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->skipBits(I)V

    .line 238
    invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readUnsignedExpGolombCodedInt()I

    move-result v5

    const/4 v4, 0x3

    const/4 v6, 0x0

    const/4 v7, 0x1

    const/16 v8, 0x64

    if-eq v2, v8, :cond_4c

    const/16 v8, 0x6e

    if-eq v2, v8, :cond_4c

    const/16 v8, 0x7a

    if-eq v2, v8, :cond_4c

    const/16 v8, 0xf4

    if-eq v2, v8, :cond_4c

    const/16 v8, 0x2c

    if-eq v2, v8, :cond_4c

    const/16 v8, 0x53

    if-eq v2, v8, :cond_4c

    const/16 v8, 0x56

    if-eq v2, v8, :cond_4c

    const/16 v8, 0x76

    if-eq v2, v8, :cond_4c

    const/16 v8, 0x80

    if-eq v2, v8, :cond_4c

    const/16 v8, 0x8a

    if-ne v2, v8, :cond_49

    goto :goto_4c

    :cond_49
    const/4 v2, 0x1

    const/4 v9, 0x0

    goto :goto_86

    .line 245
    :cond_4c
    :goto_4c
    invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readUnsignedExpGolombCodedInt()I

    move-result v2

    if-ne v2, v4, :cond_57

    .line 247
    invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readBit()Z

    move-result v8

    goto :goto_58

    :cond_57
    const/4 v8, 0x0

    .line 249
    :goto_58
    invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readUnsignedExpGolombCodedInt()I

    .line 250
    invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readUnsignedExpGolombCodedInt()I

    .line 251
    invoke-virtual {v0, v7}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->skipBits(I)V

    .line 252
    invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readBit()Z

    move-result v9

    if-eqz v9, :cond_85

    if-eq v2, v4, :cond_6c

    const/16 v9, 0x8

    goto :goto_6e

    :cond_6c
    const/16 v9, 0xc

    :goto_6e
    const/4 v10, 0x0

    :goto_6f
    if-ge v10, v9, :cond_85

    .line 256
    invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readBit()Z

    move-result v11

    if-eqz v11, :cond_82

    const/4 v11, 0x6

    if-ge v10, v11, :cond_7d

    const/16 v11, 0x10

    goto :goto_7f

    :cond_7d
    const/16 v11, 0x40

    .line 258
    :goto_7f
    invoke-static {v0, v11}, Lcom/google/android/exoplayer2/util/NalUnitUtil;->skipScalingList(Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;I)V

    :cond_82
    add-int/lit8 v10, v10, 0x1

    goto :goto_6f

    :cond_85
    move v9, v8

    .line 264
    :goto_86
    invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readUnsignedExpGolombCodedInt()I

    move-result v8

    add-int/lit8 v11, v8, 0x4

    .line 265
    invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readUnsignedExpGolombCodedInt()I

    move-result v12

    if-nez v12, :cond_9c

    .line 270
    invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readUnsignedExpGolombCodedInt()I

    move-result v8

    add-int/lit8 v8, v8, 0x4

    move/from16 p0, v5

    move v13, v8

    goto :goto_c1

    :cond_9c
    if-ne v12, v7, :cond_be

    .line 272
    invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readBit()Z

    move-result v8

    .line 273
    invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readSignedExpGolombCodedInt()I

    .line 274
    invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readSignedExpGolombCodedInt()I

    .line 275
    invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readUnsignedExpGolombCodedInt()I

    move-result v10

    int-to-long v13, v10

    move/from16 p0, v5

    const/4 v10, 0x0

    :goto_b0
    int-to-long v4, v10

    cmp-long v15, v4, v13

    if-gez v15, :cond_bb

    .line 277
    invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readUnsignedExpGolombCodedInt()I

    add-int/lit8 v10, v10, 0x1

    goto :goto_b0

    :cond_bb
    move v14, v8

    const/4 v13, 0x0

    goto :goto_c2

    :cond_be
    move/from16 p0, v5

    const/4 v13, 0x0

    :goto_c1
    const/4 v14, 0x0

    .line 280
    :goto_c2
    invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readUnsignedExpGolombCodedInt()I

    .line 281
    invoke-virtual {v0, v7}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->skipBits(I)V

    .line 283
    invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readUnsignedExpGolombCodedInt()I

    move-result v4

    add-int/2addr v4, v7

    .line 284
    invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readUnsignedExpGolombCodedInt()I

    move-result v5

    add-int/2addr v5, v7

    .line 285
    invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readBit()Z

    move-result v10

    rsub-int/lit8 v6, v10, 0x2

    mul-int v6, v6, v5

    if-nez v10, :cond_df

    .line 288
    invoke-virtual {v0, v7}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->skipBits(I)V

    .line 291
    :cond_df
    invoke-virtual {v0, v7}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->skipBits(I)V

    mul-int/lit8 v4, v4, 0x10

    mul-int/lit8 v6, v6, 0x10

    .line 294
    invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readBit()Z

    move-result v5

    if-eqz v5, :cond_11a

    .line 296
    invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readUnsignedExpGolombCodedInt()I

    move-result v5

    .line 297
    invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readUnsignedExpGolombCodedInt()I

    move-result v8

    .line 298
    invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readUnsignedExpGolombCodedInt()I

    move-result v15

    .line 299
    invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readUnsignedExpGolombCodedInt()I

    move-result v16

    if-nez v2, :cond_101

    rsub-int/lit8 v2, v10, 0x2

    goto :goto_111

    :cond_101
    const/16 v17, 0x2

    const/4 v3, 0x3

    if-ne v2, v3, :cond_108

    const/4 v3, 0x1

    goto :goto_109

    :cond_108
    const/4 v3, 0x2

    :goto_109
    if-ne v2, v7, :cond_10c

    const/4 v7, 0x2

    :cond_10c
    rsub-int/lit8 v2, v10, 0x2

    mul-int v2, v2, v7

    move v7, v3

    :goto_111
    add-int/2addr v5, v8

    mul-int v5, v5, v7

    sub-int/2addr v4, v5

    add-int v15, v15, v16

    mul-int v15, v15, v2

    sub-int/2addr v6, v15

    :cond_11a
    move v7, v6

    move v6, v4

    const/high16 v2, 0x3f800000    # 1.0f

    .line 315
    invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readBit()Z

    move-result v3

    if-eqz v3, :cond_165

    .line 317
    invoke-virtual {v0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readBit()Z

    move-result v3

    if-eqz v3, :cond_165

    .line 319
    invoke-virtual {v0, v1}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readBits(I)I

    move-result v1

    const/16 v3, 0xff

    if-ne v1, v3, :cond_146

    const/16 v3, 0x10

    .line 321
    invoke-virtual {v0, v3}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readBits(I)I

    move-result v1

    .line 322
    invoke-virtual {v0, v3}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readBits(I)I

    move-result v0

    if-eqz v1, :cond_144

    if-eqz v0, :cond_144

    int-to-float v1, v1

    int-to-float v0, v0

    div-float v2, v1, v0

    :cond_144
    move v8, v2

    goto :goto_167

    .line 326
    :cond_146
    sget-object v0, Lcom/google/android/exoplayer2/util/NalUnitUtil;->ASPECT_RATIO_IDC_VALUES:[F

    array-length v3, v0

    if-ge v1, v3, :cond_14f

    .line 327
    aget v0, v0, v1

    move v8, v0

    goto :goto_167

    .line 329
    :cond_14f
    new-instance v0, Ljava/lang/StringBuilder;

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

    const-string v3, "Unexpected aspect_ratio_idc value: "

    invoke-virtual {v0, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

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

    invoke-virtual {v0}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v0

    const-string v1, "NalUnitUtil"

    invoke-static {v1, v0}, Landroid/util/Log;->w(Ljava/lang/String;Ljava/lang/String;)I

    :cond_165
    const/high16 v8, 0x3f800000    # 1.0f

    .line 334
    :goto_167
    new-instance v0, Lcom/google/android/exoplayer2/util/NalUnitUtil$SpsData;

    move-object v4, v0

    move/from16 v5, p0

    invoke-direct/range {v4 .. v14}, Lcom/google/android/exoplayer2/util/NalUnitUtil$SpsData;-><init>(IIIFZZIIIZ)V

    return-object v0
.end method

.method private static skipScalingList(Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;I)V
    .registers 5

    const/16 v0, 0x8

    const/4 v1, 0x0

    const/16 v1, 0x8

    const/4 v2, 0x0

    :goto_6
    if-ge v2, p1, :cond_1a

    if-eqz v0, :cond_13

    .line 462
    invoke-virtual {p0}, Lcom/google/android/exoplayer2/util/ParsableNalUnitBitArray;->readSignedExpGolombCodedInt()I

    move-result v0

    add-int/2addr v0, v1

    add-int/lit16 v0, v0, 0x100

    .line 463
    rem-int/lit16 v0, v0, 0x100

    :cond_13
    if-nez v0, :cond_16

    goto :goto_17

    :cond_16
    move v1, v0

    :goto_17
    add-int/lit8 v2, v2, 0x1

    goto :goto_6

    :cond_1a
    return-void
.end method

.method public static unescapeStream([BI)I
    .registers 10

    .line 128
    sget-object v0, Lcom/google/android/exoplayer2/util/NalUnitUtil;->scratchEscapePositionsLock:Ljava/lang/Object;

    monitor-enter v0

    const/4 v1, 0x0

    const/4 v2, 0x0

    const/4 v3, 0x0

    :cond_6
    :goto_6
    if-ge v2, p1, :cond_2c

    .line 132
    :try_start_8
    invoke-static {p0, v2, p1}, Lcom/google/android/exoplayer2/util/NalUnitUtil;->findNextUnescapeIndex([BII)I

    move-result v2

    if-ge v2, p1, :cond_6

    .line 134
    sget-object v4, Lcom/google/android/exoplayer2/util/NalUnitUtil;->scratchEscapePositions:[I

    array-length v4, v4

    if-gt v4, v3, :cond_20

    .line 136
    sget-object v4, Lcom/google/android/exoplayer2/util/NalUnitUtil;->scratchEscapePositions:[I

    sget-object v5, Lcom/google/android/exoplayer2/util/NalUnitUtil;->scratchEscapePositions:[I

    array-length v5, v5

    mul-int/lit8 v5, v5, 0x2

    invoke-static {v4, v5}, Ljava/util/Arrays;->copyOf([II)[I

    move-result-object v4

    sput-object v4, Lcom/google/android/exoplayer2/util/NalUnitUtil;->scratchEscapePositions:[I

    .line 139
    :cond_20
    sget-object v4, Lcom/google/android/exoplayer2/util/NalUnitUtil;->scratchEscapePositions:[I

    add-int/lit8 v5, v3, 0x1

    aput v2, v4, v3

    add-int/lit8 v2, v2, 0x3

    move v3, v5

    goto :goto_6

    :catchall_2a
    move-exception p0

    goto :goto_50

    :cond_2c
    sub-int/2addr p1, v3

    const/4 v2, 0x0

    const/4 v4, 0x0

    const/4 v5, 0x0

    :goto_30
    if-ge v2, v3, :cond_49

    .line 148
    sget-object v6, Lcom/google/android/exoplayer2/util/NalUnitUtil;->scratchEscapePositions:[I

    aget v6, v6, v2

    sub-int/2addr v6, v5

    .line 150
    invoke-static {p0, v5, p0, v4, v6}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    add-int/2addr v4, v6

    add-int/lit8 v7, v4, 0x1

    .line 152
    aput-byte v1, p0, v4

    add-int/lit8 v4, v7, 0x1

    .line 153
    aput-byte v1, p0, v7

    add-int/lit8 v6, v6, 0x3

    add-int/2addr v5, v6

    add-int/lit8 v2, v2, 0x1

    goto :goto_30

    :cond_49
    sub-int v1, p1, v4

    .line 158
    invoke-static {p0, v5, p0, v4, v1}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 159
    monitor-exit v0

    return p1

    .line 160
    :goto_50
    monitor-exit v0
    :try_end_51
    .catchall {:try_start_8 .. :try_end_51} :catchall_2a

    throw p0
.end method