tmap/smali_classes2/com/google/android/exoplayer2/util/CodecSpecificDataUtil.smali
2022-06-10 21:38:30 +09:00

652 lines
12 KiB
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 public static constructor <clinit>()V
.locals 1
const/4 v0, 0x4
new-array v0, v0, [B
.line 1
fill-array-data v0, :array_0
sput-object v0, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->NAL_START_CODE:[B
const/16 v0, 0xd
new-array v0, v0, [I
.line 2
fill-array-data v0, :array_1
sput-object v0, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->AUDIO_SPECIFIC_CONFIG_SAMPLING_RATE_TABLE:[I
const/16 v0, 0x10
new-array v0, v0, [I
.line 3
fill-array-data v0, :array_2
sput-object v0, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->AUDIO_SPECIFIC_CONFIG_CHANNEL_COUNT_TABLE:[I
return-void
nop
:array_0
.array-data 1
0x0t
0x0t
0x0t
0x1t
.end array-data
:array_1
.array-data 4
0x17700
0x15888
0xfa00
0xbb80
0xac44
0x7d00
0x5dc0
0x5622
0x3e80
0x2ee0
0x2b11
0x1f40
0x1cb6
.end array-data
:array_2
.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
.locals 0
.line 1
invoke-direct {p0}, Ljava/lang/Object;-><init>()V
return-void
.end method
.method public static buildAacAudioSpecificConfig(III)[B
.locals 2
const/4 v0, 0x2
new-array v0, v0, [B
shl-int/lit8 p0, p0, 0x3
and-int/lit16 p0, p0, 0xf8
shr-int/lit8 v1, p1, 0x1
and-int/lit8 v1, v1, 0x7
or-int/2addr p0, v1
int-to-byte p0, p0
const/4 v1, 0x0
aput-byte p0, v0, v1
shl-int/lit8 p0, p1, 0x7
and-int/lit16 p0, p0, 0x80
shl-int/lit8 p1, p2, 0x3
and-int/lit8 p1, p1, 0x78
or-int/2addr p0, p1
int-to-byte p0, p0
const/4 p1, 0x1
aput-byte p0, v0, p1
return-object v0
.end method
.method public static buildAacLcAudioSpecificConfig(II)[B
.locals 6
const/4 v0, 0x0
const/4 v1, -0x1
move v2, v0
move v3, v1
.line 1
:goto_0
sget-object v4, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->AUDIO_SPECIFIC_CONFIG_SAMPLING_RATE_TABLE:[I
array-length v5, v4
if-ge v2, v5, :cond_1
.line 2
aget v4, v4, v2
if-ne p0, v4, :cond_0
move v3, v2
:cond_0
add-int/lit8 v2, v2, 0x1
goto :goto_0
:cond_1
move v2, v1
.line 3
:goto_1
sget-object v4, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->AUDIO_SPECIFIC_CONFIG_CHANNEL_COUNT_TABLE:[I
array-length v5, v4
if-ge v0, v5, :cond_3
.line 4
aget v4, v4, v0
if-ne p1, v4, :cond_2
move v2, v0
:cond_2
add-int/lit8 v0, v0, 0x1
goto :goto_1
:cond_3
if-eq p0, v1, :cond_4
if-eq v2, v1, :cond_4
const/4 p0, 0x2
.line 5
invoke-static {p0, v3, v2}, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->buildAacAudioSpecificConfig(III)[B
move-result-object p0
return-object p0
.line 6
:cond_4
new-instance v0, Ljava/lang/IllegalArgumentException;
const-string v1, "Invalid sample rate or number of channels: "
const-string v2, ", "
invoke-static {v1, p0, v2, p1}, Lc3/d;->a(Ljava/lang/String;ILjava/lang/String;I)Ljava/lang/String;
move-result-object p0
invoke-direct {v0, p0}, Ljava/lang/IllegalArgumentException;-><init>(Ljava/lang/String;)V
throw v0
.end method
.method public static buildNalUnit([BII)[B
.locals 4
.line 1
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 2
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 3
array-length v0, v0
invoke-static {p0, p1, v1, v0, p2}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V
return-object v1
.end method
.method private static findNalStartCode([BI)I
.locals 2
.line 1
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
:goto_0
if-gt p1, v0, :cond_1
.line 2
invoke-static {p0, p1}, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->isNalStartCode([BI)Z
move-result v1
if-eqz v1, :cond_0
return p1
:cond_0
add-int/lit8 p1, p1, 0x1
goto :goto_0
:cond_1
const/4 p0, -0x1
return p0
.end method
.method private static getAacAudioObjectType(Lcom/google/android/exoplayer2/util/ParsableBitArray;)I
.locals 2
const/4 v0, 0x5
.line 1
invoke-virtual {p0, v0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->readBits(I)I
move-result v0
const/16 v1, 0x1f
if-ne v0, v1, :cond_0
const/4 v0, 0x6
.line 2
invoke-virtual {p0, v0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->readBits(I)I
move-result p0
add-int/lit8 v0, p0, 0x20
:cond_0
return v0
.end method
.method private static getAacSamplingFrequency(Lcom/google/android/exoplayer2/util/ParsableBitArray;)I
.locals 2
const/4 v0, 0x4
.line 1
invoke-virtual {p0, v0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->readBits(I)I
move-result v0
const/16 v1, 0xf
if-ne v0, v1, :cond_0
const/16 v0, 0x18
.line 2
invoke-virtual {p0, v0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->readBits(I)I
move-result p0
goto :goto_1
:cond_0
const/16 p0, 0xd
if-ge v0, p0, :cond_1
const/4 p0, 0x1
goto :goto_0
:cond_1
const/4 p0, 0x0
.line 3
:goto_0
invoke-static {p0}, Lcom/google/android/exoplayer2/util/Assertions;->checkArgument(Z)V
.line 4
sget-object p0, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->AUDIO_SPECIFIC_CONFIG_SAMPLING_RATE_TABLE:[I
aget p0, p0, v0
:goto_1
return p0
.end method
.method private static isNalStartCode([BI)Z
.locals 4
.line 1
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_0
return v2
:cond_0
move v0, v2
.line 2
:goto_0
sget-object v1, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->NAL_START_CODE:[B
array-length v3, v1
if-ge v0, v3, :cond_2
add-int v3, p1, v0
.line 3
aget-byte v3, p0, v3
aget-byte v1, v1, v0
if-eq v3, v1, :cond_1
return v2
:cond_1
add-int/lit8 v0, v0, 0x1
goto :goto_0
:cond_2
const/4 p0, 0x1
return p0
.end method
.method public static parseAacAudioSpecificConfig([B)Landroid/util/Pair;
.locals 5
.annotation system Ldalvik/annotation/Signature;
value = {
"([B)",
"Landroid/util/Pair<",
"Ljava/lang/Integer;",
"Ljava/lang/Integer;",
">;"
}
.end annotation
.line 1
new-instance v0, Lcom/google/android/exoplayer2/util/ParsableBitArray;
invoke-direct {v0, p0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;-><init>([B)V
.line 2
invoke-static {v0}, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->getAacAudioObjectType(Lcom/google/android/exoplayer2/util/ParsableBitArray;)I
move-result p0
.line 3
invoke-static {v0}, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->getAacSamplingFrequency(Lcom/google/android/exoplayer2/util/ParsableBitArray;)I
move-result v1
const/4 v2, 0x4
.line 4
invoke-virtual {v0, v2}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->readBits(I)I
move-result v3
const/4 v4, 0x5
if-eq p0, v4, :cond_0
const/16 v4, 0x1d
if-ne p0, v4, :cond_1
.line 5
:cond_0
invoke-static {v0}, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->getAacSamplingFrequency(Lcom/google/android/exoplayer2/util/ParsableBitArray;)I
move-result v1
.line 6
invoke-static {v0}, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->getAacAudioObjectType(Lcom/google/android/exoplayer2/util/ParsableBitArray;)I
move-result p0
const/16 v4, 0x16
if-ne p0, v4, :cond_1
.line 7
invoke-virtual {v0, v2}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->readBits(I)I
move-result v3
.line 8
:cond_1
sget-object p0, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->AUDIO_SPECIFIC_CONFIG_CHANNEL_COUNT_TABLE:[I
aget p0, p0, v3
const/4 v0, -0x1
if-eq p0, v0, :cond_2
const/4 v0, 0x1
goto :goto_0
:cond_2
const/4 v0, 0x0
.line 9
:goto_0
invoke-static {v0}, Lcom/google/android/exoplayer2/util/Assertions;->checkArgument(Z)V
.line 10
invoke-static {v1}, Ljava/lang/Integer;->valueOf(I)Ljava/lang/Integer;
move-result-object v0
invoke-static {p0}, Ljava/lang/Integer;->valueOf(I)Ljava/lang/Integer;
move-result-object p0
invoke-static {v0, p0}, Landroid/util/Pair;->create(Ljava/lang/Object;Ljava/lang/Object;)Landroid/util/Pair;
move-result-object p0
return-object p0
.end method
.method public static splitNalUnits([B)[[B
.locals 7
const/4 v0, 0x0
.line 1
invoke-static {p0, v0}, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->isNalStartCode([BI)Z
move-result v1
if-nez v1, :cond_0
const/4 p0, 0x0
return-object p0
.line 2
:cond_0
new-instance v1, Ljava/util/ArrayList;
invoke-direct {v1}, Ljava/util/ArrayList;-><init>()V
move v2, v0
.line 3
:cond_1
invoke-static {v2}, Ljava/lang/Integer;->valueOf(I)Ljava/lang/Integer;
move-result-object v3
invoke-virtual {v1, v3}, Ljava/util/ArrayList;->add(Ljava/lang/Object;)Z
.line 4
sget-object v3, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->NAL_START_CODE:[B
array-length v3, v3
add-int/2addr v2, v3
invoke-static {p0, v2}, Lcom/google/android/exoplayer2/util/CodecSpecificDataUtil;->findNalStartCode([BI)I
move-result v2
const/4 v3, -0x1
if-ne v2, v3, :cond_1
.line 5
invoke-virtual {v1}, Ljava/util/ArrayList;->size()I
move-result v2
new-array v2, v2, [[B
move v3, v0
.line 6
:goto_0
invoke-virtual {v1}, Ljava/util/ArrayList;->size()I
move-result v4
if-ge v3, v4, :cond_3
.line 7
invoke-virtual {v1, v3}, Ljava/util/ArrayList;->get(I)Ljava/lang/Object;
move-result-object v4
check-cast v4, Ljava/lang/Integer;
invoke-virtual {v4}, Ljava/lang/Integer;->intValue()I
move-result v4
.line 8
invoke-virtual {v1}, Ljava/util/ArrayList;->size()I
move-result v5
add-int/lit8 v5, v5, -0x1
if-ge v3, v5, :cond_2
add-int/lit8 v5, v3, 0x1
invoke-virtual {v1, v5}, Ljava/util/ArrayList;->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
goto :goto_1
:cond_2
array-length v5, p0
:goto_1
sub-int/2addr v5, v4
.line 9
new-array v6, v5, [B
.line 10
invoke-static {p0, v4, v6, v0, v5}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V
.line 11
aput-object v6, v2, v3
add-int/lit8 v3, v3, 0x1
goto :goto_0
:cond_3
return-object v2
.end method