CodecSpecificDataUtil.smali

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


# static fields
.field private static final AUDIO_OBJECT_TYPE_AAC_LC:I = 0x2

.field private static final AUDIO_OBJECT_TYPE_ER_BSAC:I = 0x16

.field private static final AUDIO_OBJECT_TYPE_ESCAPE:I = 0x1f

.field private static final AUDIO_OBJECT_TYPE_PS:I = 0x1d

.field private static final AUDIO_OBJECT_TYPE_SBR:I = 0x5

.field private static final AUDIO_SPECIFIC_CONFIG_CHANNEL_CONFIGURATION_INVALID:I = -0x1

.field private static final AUDIO_SPECIFIC_CONFIG_CHANNEL_COUNT_TABLE:[I

.field private static final AUDIO_SPECIFIC_CONFIG_FREQUENCY_INDEX_ARBITRARY:I = 0xf

.field private static final AUDIO_SPECIFIC_CONFIG_SAMPLING_RATE_TABLE:[I

.field private static final NAL_START_CODE:[B


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

    .line 30
    const/4 v0, 0x4

    new-array v0, v0, [B

    fill-array-data v0, :array_1c

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

    .line 34
    const/16 v0, 0xd

    new-array v0, v0, [I

    fill-array-data v0, :array_22

    sput-object v0, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->AUDIO_SPECIFIC_CONFIG_SAMPLING_RATE_TABLE:[I

    .line 52
    const/16 v0, 0x10

    new-array v0, v0, [I

    fill-array-data v0, :array_40

    sput-object v0, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->AUDIO_SPECIFIC_CONFIG_CHANNEL_COUNT_TABLE:[I

    return-void

    nop

    :array_1c
    .array-data 1
        0x0t
        0x0t
        0x0t
        0x1t
    .end array-data

    :array_22
    .array-data 4
        0x17700
        0x15888
        0xfa00
        0xbb80
        0xac44
        0x7d00
        0x5dc0
        0x5622
        0x3e80
        0x2ee0
        0x2b11
        0x1f40
        0x1cb6
    .end array-data

    :array_40
    .array-data 4
        0x0
        0x1
        0x2
        0x3
        0x4
        0x5
        0x6
        0x8
        -0x1
        -0x1
        -0x1
        0x7
        0x8
        -0x1
        0x8
        -0x1
    .end array-data
.end method

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

    .line 83
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    return-void
.end method

.method public static buildAacAudioSpecificConfig(III)[B
    .registers 6
    .param p0, "audioObjectType"    # I
    .param p1, "sampleRateIndex"    # I
    .param p2, "channelConfig"    # I

    .line 202
    const/4 v0, 0x2

    new-array v0, v0, [B

    .line 203
    .local v0, "specificConfig":[B
    shl-int/lit8 v1, p0, 0x3

    and-int/lit16 v1, v1, 0xf8

    shr-int/lit8 v2, p1, 0x1

    and-int/lit8 v2, v2, 0x7

    or-int/2addr v1, v2

    int-to-byte v1, v1

    const/4 v2, 0x0

    aput-byte v1, v0, v2

    .line 204
    shl-int/lit8 v1, p1, 0x7

    and-int/lit16 v1, v1, 0x80

    shl-int/lit8 v2, p2, 0x3

    and-int/lit8 v2, v2, 0x78

    or-int/2addr v1, v2

    int-to-byte v1, v1

    const/4 v2, 0x1

    aput-byte v1, v0, v2

    .line 205
    return-object v0
.end method

.method public static buildAacLcAudioSpecificConfig(II)[B
    .registers 7
    .param p0, "sampleRate"    # I
    .param p1, "numChannels"    # I

    .line 173
    const/4 v0, -0x1

    .line 174
    .local v0, "sampleRateIndex":I
    const/4 v1, 0x0

    .local v1, "i":I
    :goto_2
    sget-object v2, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->AUDIO_SPECIFIC_CONFIG_SAMPLING_RATE_TABLE:[I

    array-length v3, v2

    if-ge v1, v3, :cond_f

    .line 175
    aget v2, v2, v1

    if-ne p0, v2, :cond_c

    .line 176
    move v0, v1

    .line 174
    :cond_c
    add-int/lit8 v1, v1, 0x1

    goto :goto_2

    .line 179
    .end local v1    # "i":I
    :cond_f
    const/4 v1, -0x1

    .line 180
    .local v1, "channelConfig":I
    const/4 v2, 0x0

    .local v2, "i":I
    :goto_11
    sget-object v3, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->AUDIO_SPECIFIC_CONFIG_CHANNEL_COUNT_TABLE:[I

    array-length v4, v3

    if-ge v2, v4, :cond_1e

    .line 181
    aget v3, v3, v2

    if-ne p1, v3, :cond_1b

    .line 182
    move v1, v2

    .line 180
    :cond_1b
    add-int/lit8 v2, v2, 0x1

    goto :goto_11

    .line 185
    .end local v2    # "i":I
    :cond_1e
    const/4 v2, -0x1

    if-eq p0, v2, :cond_29

    if-eq v1, v2, :cond_29

    .line 189
    const/4 v2, 0x2

    invoke-static {v2, v0, v1}, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->buildAacAudioSpecificConfig(III)[B

    move-result-object v2

    return-object v2

    .line 186
    :cond_29
    new-instance v2, Ljava/lang/IllegalArgumentException;

    new-instance v3, Ljava/lang/StringBuilder;

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

    const-string v4, "Invalid sample rate or number of channels: "

    invoke-virtual {v3, v4}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v3, p0}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;

    const-string v4, ", "

    invoke-virtual {v3, v4}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v3, p1}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;

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

    move-result-object v3

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

    goto :goto_49

    :goto_48
    throw v2

    :goto_49
    goto :goto_48
.end method

.method public static buildAvcCodecString(III)Ljava/lang/String;
    .registers 6
    .param p0, "profileIdc"    # I
    .param p1, "constraintsFlagsAndReservedZero2Bits"    # I
    .param p2, "levelIdc"    # I

    .line 219
    const/4 v0, 0x3

    new-array v0, v0, [Ljava/lang/Object;

    .line 220
    invoke-static {p0}, Ljava/lang/Integer;->valueOf(I)Ljava/lang/Integer;

    move-result-object v1

    const/4 v2, 0x0

    aput-object v1, v0, v2

    invoke-static {p1}, Ljava/lang/Integer;->valueOf(I)Ljava/lang/Integer;

    move-result-object v1

    const/4 v2, 0x1

    aput-object v1, v0, v2

    invoke-static {p2}, Ljava/lang/Integer;->valueOf(I)Ljava/lang/Integer;

    move-result-object v1

    const/4 v2, 0x2

    aput-object v1, v0, v2

    .line 219
    const-string v1, "avc1.%02X%02X%02X"

    invoke-static {v1, v0}, Ljava/lang/String;->format(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;

    move-result-object v0

    return-object v0
.end method

.method public static buildNalUnit([BII)[B
    .registers 7
    .param p0, "data"    # [B
    .param p1, "offset"    # I
    .param p2, "length"    # I

    .line 232
    sget-object v0, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->NAL_START_CODE:[B

    array-length v1, v0

    add-int/2addr v1, p2

    new-array v1, v1, [B

    .line 233
    .local v1, "nalUnit":[B
    array-length v2, v0

    const/4 v3, 0x0

    invoke-static {v0, v3, v1, v3, v2}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 234
    sget-object v0, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->NAL_START_CODE:[B

    array-length v0, v0

    invoke-static {p0, p1, v1, v0, p2}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 235
    return-object v1
.end method

.method private static findNalStartCode([BI)I
    .registers 5
    .param p0, "data"    # [B
    .param p1, "index"    # I

    .line 279
    array-length v0, p0

    sget-object v1, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->NAL_START_CODE:[B

    array-length v1, v1

    sub-int/2addr v0, v1

    .line 280
    .local v0, "endIndex":I
    move v1, p1

    .local v1, "i":I
    :goto_6
    if-gt v1, v0, :cond_12

    .line 281
    invoke-static {p0, v1}, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->isNalStartCode([BI)Z

    move-result v2

    if-eqz v2, :cond_f

    .line 282
    return v1

    .line 280
    :cond_f
    add-int/lit8 v1, v1, 0x1

    goto :goto_6

    .line 285
    .end local v1    # "i":I
    :cond_12
    const/4 v1, -0x1

    return v1
.end method

.method private static getAacAudioObjectType(Lcom/google/android/exoplayer2/util/ParsableBitArray;)I
    .registers 3
    .param p0, "bitArray"    # Lcom/google/android/exoplayer2/util/ParsableBitArray;

    .line 314
    const/4 v0, 0x5

    invoke-virtual {p0, v0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->readBits(I)I

    move-result v0

    .line 315
    .local v0, "audioObjectType":I
    const/16 v1, 0x1f

    if-ne v0, v1, :cond_10

    .line 316
    const/4 v1, 0x6

    invoke-virtual {p0, v1}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->readBits(I)I

    move-result v1

    add-int/lit8 v0, v1, 0x20

    .line 318
    :cond_10
    return v0
.end method

.method private static getAacSamplingFrequency(Lcom/google/android/exoplayer2/util/ParsableBitArray;)I
    .registers 3
    .param p0, "bitArray"    # Lcom/google/android/exoplayer2/util/ParsableBitArray;

    .line 330
    const/4 v0, 0x4

    invoke-virtual {p0, v0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->readBits(I)I

    move-result v0

    .line 331
    .local v0, "frequencyIndex":I
    const/16 v1, 0xf

    if-ne v0, v1, :cond_10

    .line 332
    const/16 v1, 0x18

    invoke-virtual {p0, v1}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->readBits(I)I

    move-result v1

    .local v1, "samplingFrequency":I
    goto :goto_1e

    .line 334
    .end local v1    # "samplingFrequency":I
    :cond_10
    const/16 v1, 0xd

    if-ge v0, v1, :cond_16

    const/4 v1, 0x1

    goto :goto_17

    :cond_16
    const/4 v1, 0x0

    :goto_17
    invoke-static {v1}, Lcom/google/android/exoplayer2/util/Assertions;->checkArgument(Z)V

    .line 335
    sget-object v1, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->AUDIO_SPECIFIC_CONFIG_SAMPLING_RATE_TABLE:[I

    aget v1, v1, v0

    .line 337
    .restart local v1    # "samplingFrequency":I
    :goto_1e
    return v1
.end method

.method private static isNalStartCode([BI)Z
    .registers 6
    .param p0, "data"    # [B
    .param p1, "index"    # I

    .line 296
    array-length v0, p0

    sub-int/2addr v0, p1

    sget-object v1, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->NAL_START_CODE:[B

    array-length v1, v1

    const/4 v2, 0x0

    if-gt v0, v1, :cond_9

    .line 297
    return v2

    .line 299
    :cond_9
    const/4 v0, 0x0

    .local v0, "j":I
    :goto_a
    sget-object v1, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->NAL_START_CODE:[B

    array-length v3, v1

    if-ge v0, v3, :cond_1b

    .line 300
    add-int v3, p1, v0

    aget-byte v3, p0, v3

    aget-byte v1, v1, v0

    if-eq v3, v1, :cond_18

    .line 301
    return v2

    .line 299
    :cond_18
    add-int/lit8 v0, v0, 0x1

    goto :goto_a

    .line 304
    .end local v0    # "j":I
    :cond_1b
    const/4 v0, 0x1

    return v0
.end method

.method public static parseAacAudioSpecificConfig(Lcom/google/android/exoplayer2/util/ParsableBitArray;Z)Landroid/util/Pair;
    .registers 9
    .param p0, "bitArray"    # Lcom/google/android/exoplayer2/util/ParsableBitArray;
    .param p1, "forceReadToEnd"    # Z
    .annotation system Ldalvik/annotation/Signature;
        value = {
            "(",
            "Lcom/google/android/exoplayer2/util/ParsableBitArray;",
            "Z)",
            "Landroid/util/Pair<",
            "Ljava/lang/Integer;",
            "Ljava/lang/Integer;",
            ">;"
        }
    .end annotation

    .annotation system Ldalvik/annotation/Throws;
        value = {
            Lcom/google/android/exoplayer2/ParserException;
        }
    .end annotation

    .line 109
    invoke-static {p0}, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->getAacAudioObjectType(Lcom/google/android/exoplayer2/util/ParsableBitArray;)I

    move-result v0

    .line 110
    .local v0, "audioObjectType":I
    invoke-static {p0}, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->getAacSamplingFrequency(Lcom/google/android/exoplayer2/util/ParsableBitArray;)I

    move-result v1

    .line 111
    .local v1, "sampleRate":I
    const/4 v2, 0x4

    invoke-virtual {p0, v2}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->readBits(I)I

    move-result v3

    .line 112
    .local v3, "channelConfiguration":I
    const/4 v4, 0x5

    if-eq v0, v4, :cond_14

    const/16 v4, 0x1d

    if-ne v0, v4, :cond_24

    .line 118
    :cond_14
    invoke-static {p0}, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->getAacSamplingFrequency(Lcom/google/android/exoplayer2/util/ParsableBitArray;)I

    move-result v1

    .line 119
    invoke-static {p0}, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->getAacAudioObjectType(Lcom/google/android/exoplayer2/util/ParsableBitArray;)I

    move-result v0

    .line 120
    const/16 v4, 0x16

    if-ne v0, v4, :cond_24

    .line 122
    invoke-virtual {p0, v2}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->readBits(I)I

    move-result v3

    .line 126
    :cond_24
    const/4 v4, 0x1

    if-eqz p1, :cond_7d

    .line 127
    const/4 v5, 0x3

    const/4 v6, 0x2

    if-eq v0, v4, :cond_55

    if-eq v0, v6, :cond_55

    if-eq v0, v5, :cond_55

    if-eq v0, v2, :cond_55

    const/4 v2, 0x6

    if-eq v0, v2, :cond_55

    const/4 v2, 0x7

    if-eq v0, v2, :cond_55

    const/16 v2, 0x11

    if-eq v0, v2, :cond_55

    packed-switch v0, :pswitch_data_96

    .line 143
    new-instance v2, Lcom/google/android/exoplayer2/ParserException;

    new-instance v4, Ljava/lang/StringBuilder;

    invoke-direct {v4}, Ljava/lang/StringBuilder;-><init>()V

    const-string v5, "Unsupported audio object type: "

    invoke-virtual {v4, v5}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v4, v0}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;

    invoke-virtual {v4}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v4

    invoke-direct {v2, v4}, Lcom/google/android/exoplayer2/ParserException;-><init>(Ljava/lang/String;)V

    throw v2

    .line 140
    :cond_55
    :pswitch_55
    invoke-static {p0, v0, v3}, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->parseGaSpecificConfig(Lcom/google/android/exoplayer2/util/ParsableBitArray;II)V

    .line 141
    nop

    .line 145
    packed-switch v0, :pswitch_data_a4

    :pswitch_5c
    goto :goto_7d

    .line 152
    :pswitch_5d
    invoke-virtual {p0, v6}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->readBits(I)I

    move-result v2

    .line 153
    .local v2, "epConfig":I
    if-eq v2, v6, :cond_66

    if-eq v2, v5, :cond_66

    goto :goto_7d

    .line 154
    :cond_66
    new-instance v4, Lcom/google/android/exoplayer2/ParserException;

    new-instance v5, Ljava/lang/StringBuilder;

    invoke-direct {v5}, Ljava/lang/StringBuilder;-><init>()V

    const-string v6, "Unsupported epConfig: "

    invoke-virtual {v5, v6}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v5, v2}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;

    invoke-virtual {v5}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v5

    invoke-direct {v4, v5}, Lcom/google/android/exoplayer2/ParserException;-><init>(Ljava/lang/String;)V

    throw v4

    .line 160
    .end local v2    # "epConfig":I
    :cond_7d
    :goto_7d
    sget-object v2, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->AUDIO_SPECIFIC_CONFIG_CHANNEL_COUNT_TABLE:[I

    aget v2, v2, v3

    .line 161
    .local v2, "channelCount":I
    const/4 v5, -0x1

    if-eq v2, v5, :cond_85

    goto :goto_86

    :cond_85
    const/4 v4, 0x0

    :goto_86
    invoke-static {v4}, Lcom/google/android/exoplayer2/util/Assertions;->checkArgument(Z)V

    .line 162
    invoke-static {v1}, Ljava/lang/Integer;->valueOf(I)Ljava/lang/Integer;

    move-result-object v4

    invoke-static {v2}, Ljava/lang/Integer;->valueOf(I)Ljava/lang/Integer;

    move-result-object v5

    invoke-static {v4, v5}, Landroid/util/Pair;->create(Ljava/lang/Object;Ljava/lang/Object;)Landroid/util/Pair;

    move-result-object v4

    return-object v4

    :pswitch_data_96
    .packed-switch 0x13
        :pswitch_55
        :pswitch_55
        :pswitch_55
        :pswitch_55
        :pswitch_55
    .end packed-switch

    :pswitch_data_a4
    .packed-switch 0x11
        :pswitch_5d
        :pswitch_5c
        :pswitch_5d
        :pswitch_5d
        :pswitch_5d
        :pswitch_5d
        :pswitch_5d
    .end packed-switch
.end method

.method public static parseAacAudioSpecificConfig([B)Landroid/util/Pair;
    .registers 3
    .param p0, "audioSpecificConfig"    # [B
    .annotation system Ldalvik/annotation/Signature;
        value = {
            "([B)",
            "Landroid/util/Pair<",
            "Ljava/lang/Integer;",
            "Ljava/lang/Integer;",
            ">;"
        }
    .end annotation

    .annotation system Ldalvik/annotation/Throws;
        value = {
            Lcom/google/android/exoplayer2/ParserException;
        }
    .end annotation

    .line 94
    new-instance v0, Lcom/google/android/exoplayer2/util/ParsableBitArray;

    invoke-direct {v0, p0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;-><init>([B)V

    const/4 v1, 0x0

    invoke-static {v0, v1}, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->parseAacAudioSpecificConfig(Lcom/google/android/exoplayer2/util/ParsableBitArray;Z)Landroid/util/Pair;

    move-result-object v0

    return-object v0
.end method

.method private static parseGaSpecificConfig(Lcom/google/android/exoplayer2/util/ParsableBitArray;II)V
    .registers 9
    .param p0, "bitArray"    # Lcom/google/android/exoplayer2/util/ParsableBitArray;
    .param p1, "audioObjectType"    # I
    .param p2, "channelConfiguration"    # I

    .line 342
    const/4 v0, 0x1

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

    .line 343
    invoke-virtual {p0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->readBit()Z

    move-result v1

    .line 344
    .local v1, "dependsOnCoreDecoder":Z
    if-eqz v1, :cond_f

    .line 345
    const/16 v2, 0xe

    invoke-virtual {p0, v2}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->skipBits(I)V

    .line 347
    :cond_f
    invoke-virtual {p0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->readBit()Z

    move-result v2

    .line 348
    .local v2, "extensionFlag":Z
    if-eqz p2, :cond_40

    .line 351
    const/4 v3, 0x6

    const/16 v4, 0x14

    const/4 v5, 0x3

    if-eq p1, v3, :cond_1d

    if-ne p1, v4, :cond_20

    .line 352
    :cond_1d
    invoke-virtual {p0, v5}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->skipBits(I)V

    .line 354
    :cond_20
    if-eqz v2, :cond_3f

    .line 355
    const/16 v3, 0x16

    if-ne p1, v3, :cond_2b

    .line 356
    const/16 v3, 0x10

    invoke-virtual {p0, v3}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->skipBits(I)V

    .line 358
    :cond_2b
    const/16 v3, 0x11

    if-eq p1, v3, :cond_39

    const/16 v3, 0x13

    if-eq p1, v3, :cond_39

    if-eq p1, v4, :cond_39

    const/16 v3, 0x17

    if-ne p1, v3, :cond_3c

    .line 362
    :cond_39
    invoke-virtual {p0, v5}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->skipBits(I)V

    .line 364
    :cond_3c
    invoke-virtual {p0, v0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->skipBits(I)V

    .line 366
    :cond_3f
    return-void

    .line 349
    :cond_40
    new-instance v0, Ljava/lang/UnsupportedOperationException;

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

    throw v0
.end method

.method public static splitNalUnits([B)[[B
    .registers 10
    .param p0, "data"    # [B

    .line 250
    const/4 v0, 0x0

    invoke-static {p0, v0}, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->isNalStartCode([BI)Z

    move-result v1

    if-nez v1, :cond_b

    .line 252
    const/4 v0, 0x0

    check-cast v0, [[B

    return-object v0

    .line 254
    :cond_b
    new-instance v1, Ljava/util/ArrayList;

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

    .line 255
    .local v1, "starts":Ljava/util/List;, "Ljava/util/List<Ljava/lang/Integer;>;"
    const/4 v2, 0x0

    .line 257
    .local v2, "nalUnitIndex":I
    :goto_11
    invoke-static {v2}, Ljava/lang/Integer;->valueOf(I)Ljava/lang/Integer;

    move-result-object v3

    invoke-interface {v1, v3}, Ljava/util/List;->add(Ljava/lang/Object;)Z

    .line 258
    sget-object v3, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->NAL_START_CODE:[B

    array-length v3, v3

    add-int/2addr v3, v2

    invoke-static {p0, v3}, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->findNalStartCode([BI)I

    move-result v2

    .line 259
    const/4 v3, -0x1

    if-ne v2, v3, :cond_5e

    .line 260
    invoke-interface {v1}, Ljava/util/List;->size()I

    move-result v3

    new-array v3, v3, [[B

    .line 261
    .local v3, "split":[[B
    const/4 v4, 0x0

    .local v4, "i":I
    :goto_2a
    invoke-interface {v1}, Ljava/util/List;->size()I

    move-result v5

    if-ge v4, v5, :cond_5d

    .line 262
    invoke-interface {v1, v4}, Ljava/util/List;->get(I)Ljava/lang/Object;

    move-result-object v5

    check-cast v5, Ljava/lang/Integer;

    invoke-virtual {v5}, Ljava/lang/Integer;->intValue()I

    move-result v5

    .line 263
    .local v5, "startIndex":I
    invoke-interface {v1}, Ljava/util/List;->size()I

    move-result v6

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

    if-ge v4, v6, :cond_4f

    add-int/lit8 v6, v4, 0x1

    invoke-interface {v1, v6}, Ljava/util/List;->get(I)Ljava/lang/Object;

    move-result-object v6

    check-cast v6, Ljava/lang/Integer;

    invoke-virtual {v6}, Ljava/lang/Integer;->intValue()I

    move-result v6

    goto :goto_50

    :cond_4f
    array-length v6, p0

    .line 264
    .local v6, "endIndex":I
    :goto_50
    sub-int v7, v6, v5

    new-array v7, v7, [B

    .line 265
    .local v7, "nal":[B
    array-length v8, v7

    invoke-static {p0, v5, v7, v0, v8}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 266
    aput-object v7, v3, v4

    .line 261
    .end local v5    # "startIndex":I
    .end local v6    # "endIndex":I
    .end local v7    # "nal":[B
    add-int/lit8 v4, v4, 0x1

    goto :goto_2a

    .line 268
    .end local v4    # "i":I
    :cond_5d
    return-object v3

    .line 259
    .end local v3    # "split":[[B
    :cond_5e
    goto :goto_11
.end method