Rabbit-R1/android (non root)/smali/smali_classes2/androidx/media3/extractor/Ac4Util.smali
2024-05-21 17:08:36 -04:00

579 lines
10 KiB
Smali

.class public final Landroidx/media3/extractor/Ac4Util;
.super Ljava/lang/Object;
.source "Ac4Util.java"
# annotations
.annotation system Ldalvik/annotation/MemberClasses;
value = {
Landroidx/media3/extractor/Ac4Util$SyncFrameInfo;
}
.end annotation
# static fields
.field public static final AC40_SYNCWORD:I = 0xac40
.field public static final AC41_SYNCWORD:I = 0xac41
.field private static final CHANNEL_COUNT_2:I = 0x2
.field public static final HEADER_SIZE_FOR_PARSER:I = 0x10
.field public static final MAX_RATE_BYTES_PER_SECOND:I = 0x52080
.field private static final SAMPLE_COUNT:[I
.field public static final SAMPLE_HEADER_SIZE:I = 0x7
# direct methods
.method static constructor <clinit>()V
.locals 1
const/16 v0, 0xe
new-array v0, v0, [I
fill-array-data v0, :array_0
sput-object v0, Landroidx/media3/extractor/Ac4Util;->SAMPLE_COUNT:[I
return-void
:array_0
.array-data 4
0x7d2
0x7d0
0x780
0x641
0x640
0x3e9
0x3e8
0x3c0
0x320
0x320
0x1e0
0x190
0x190
0x800
.end array-data
.end method
.method private constructor <init>()V
.locals 0
.line 251
invoke-direct {p0}, Ljava/lang/Object;-><init>()V
return-void
.end method
.method public static getAc4SampleHeader(ILandroidx/media3/common/util/ParsableByteArray;)V
.locals 2
const/4 v0, 0x7
.line 227
invoke-virtual {p1, v0}, Landroidx/media3/common/util/ParsableByteArray;->reset(I)V
.line 228
invoke-virtual {p1}, Landroidx/media3/common/util/ParsableByteArray;->getData()[B
move-result-object p1
const/4 v0, 0x0
const/16 v1, -0x54
.line 229
aput-byte v1, p1, v0
const/4 v0, 0x1
const/16 v1, 0x40
.line 230
aput-byte v1, p1, v0
const/4 v0, 0x2
const/4 v1, -0x1
.line 231
aput-byte v1, p1, v0
const/4 v0, 0x3
.line 232
aput-byte v1, p1, v0
shr-int/lit8 v0, p0, 0x10
and-int/lit16 v0, v0, 0xff
int-to-byte v0, v0
const/4 v1, 0x4
.line 233
aput-byte v0, p1, v1
shr-int/lit8 v0, p0, 0x8
and-int/lit16 v0, v0, 0xff
int-to-byte v0, v0
const/4 v1, 0x5
.line 234
aput-byte v0, p1, v1
and-int/lit16 p0, p0, 0xff
int-to-byte p0, p0
const/4 v0, 0x6
.line 235
aput-byte p0, p1, v0
return-void
.end method
.method public static parseAc4AnnexEFormat(Landroidx/media3/common/util/ParsableByteArray;Ljava/lang/String;Ljava/lang/String;Landroidx/media3/common/DrmInitData;)Landroidx/media3/common/Format;
.locals 1
const/4 v0, 0x1
.line 110
invoke-virtual {p0, v0}, Landroidx/media3/common/util/ParsableByteArray;->skipBytes(I)V
.line 111
invoke-virtual {p0}, Landroidx/media3/common/util/ParsableByteArray;->readUnsignedByte()I
move-result p0
and-int/lit8 p0, p0, 0x20
shr-int/lit8 p0, p0, 0x5
if-ne p0, v0, :cond_0
const p0, 0xbb80
goto :goto_0
:cond_0
const p0, 0xac44
.line 112
:goto_0
new-instance v0, Landroidx/media3/common/Format$Builder;
invoke-direct {v0}, Landroidx/media3/common/Format$Builder;-><init>()V
.line 113
invoke-virtual {v0, p1}, Landroidx/media3/common/Format$Builder;->setId(Ljava/lang/String;)Landroidx/media3/common/Format$Builder;
move-result-object p1
const-string v0, "audio/ac4"
.line 114
invoke-virtual {p1, v0}, Landroidx/media3/common/Format$Builder;->setSampleMimeType(Ljava/lang/String;)Landroidx/media3/common/Format$Builder;
move-result-object p1
const/4 v0, 0x2
.line 115
invoke-virtual {p1, v0}, Landroidx/media3/common/Format$Builder;->setChannelCount(I)Landroidx/media3/common/Format$Builder;
move-result-object p1
.line 116
invoke-virtual {p1, p0}, Landroidx/media3/common/Format$Builder;->setSampleRate(I)Landroidx/media3/common/Format$Builder;
move-result-object p0
.line 117
invoke-virtual {p0, p3}, Landroidx/media3/common/Format$Builder;->setDrmInitData(Landroidx/media3/common/DrmInitData;)Landroidx/media3/common/Format$Builder;
move-result-object p0
.line 118
invoke-virtual {p0, p2}, Landroidx/media3/common/Format$Builder;->setLanguage(Ljava/lang/String;)Landroidx/media3/common/Format$Builder;
move-result-object p0
.line 119
invoke-virtual {p0}, Landroidx/media3/common/Format$Builder;->build()Landroidx/media3/common/Format;
move-result-object p0
return-object p0
.end method
.method public static parseAc4SyncframeAudioSampleCount(Ljava/nio/ByteBuffer;)I
.locals 2
const/16 v0, 0x10
new-array v0, v0, [B
.line 218
invoke-virtual {p0}, Ljava/nio/ByteBuffer;->position()I
move-result v1
.line 219
invoke-virtual {p0, v0}, Ljava/nio/ByteBuffer;->get([B)Ljava/nio/ByteBuffer;
.line 220
invoke-virtual {p0, v1}, Ljava/nio/ByteBuffer;->position(I)Ljava/nio/Buffer;
.line 221
new-instance p0, Landroidx/media3/common/util/ParsableBitArray;
invoke-direct {p0, v0}, Landroidx/media3/common/util/ParsableBitArray;-><init>([B)V
invoke-static {p0}, Landroidx/media3/extractor/Ac4Util;->parseAc4SyncframeInfo(Landroidx/media3/common/util/ParsableBitArray;)Landroidx/media3/extractor/Ac4Util$SyncFrameInfo;
move-result-object p0
iget p0, p0, Landroidx/media3/extractor/Ac4Util$SyncFrameInfo;->sampleCount:I
return p0
.end method
.method public static parseAc4SyncframeInfo(Landroidx/media3/common/util/ParsableBitArray;)Landroidx/media3/extractor/Ac4Util$SyncFrameInfo;
.locals 11
const/16 v0, 0x10
.line 131
invoke-virtual {p0, v0}, Landroidx/media3/common/util/ParsableBitArray;->readBits(I)I
move-result v1
.line 133
invoke-virtual {p0, v0}, Landroidx/media3/common/util/ParsableBitArray;->readBits(I)I
move-result v0
const v2, 0xffff
const/4 v3, 0x4
if-ne v0, v2, :cond_0
const/16 v0, 0x18
.line 136
invoke-virtual {p0, v0}, Landroidx/media3/common/util/ParsableBitArray;->readBits(I)I
move-result v0
const/4 v2, 0x7
goto :goto_0
:cond_0
move v2, v3
:goto_0
add-int/2addr v0, v2
const v2, 0xac41
if-ne v1, v2, :cond_1
add-int/lit8 v0, v0, 0x2
:cond_1
move v8, v0
const/4 v0, 0x2
.line 143
invoke-virtual {p0, v0}, Landroidx/media3/common/util/ParsableBitArray;->readBits(I)I
move-result v1
const/4 v2, 0x3
if-ne v1, v2, :cond_2
.line 145
invoke-static {p0, v0}, Landroidx/media3/extractor/Ac4Util;->readVariableBits(Landroidx/media3/common/util/ParsableBitArray;I)I
move-result v4
add-int/2addr v1, v4
:cond_2
move v5, v1
const/16 v1, 0xa
.line 147
invoke-virtual {p0, v1}, Landroidx/media3/common/util/ParsableBitArray;->readBits(I)I
move-result v1
.line 148
invoke-virtual {p0}, Landroidx/media3/common/util/ParsableBitArray;->readBit()Z
move-result v4
if-eqz v4, :cond_3
.line 149
invoke-virtual {p0, v2}, Landroidx/media3/common/util/ParsableBitArray;->readBits(I)I
move-result v4
if-lez v4, :cond_3
.line 150
invoke-virtual {p0, v0}, Landroidx/media3/common/util/ParsableBitArray;->skipBits(I)V
.line 153
:cond_3
invoke-virtual {p0}, Landroidx/media3/common/util/ParsableBitArray;->readBit()Z
move-result v4
const v6, 0xbb80
const v7, 0xac44
if-eqz v4, :cond_4
move v9, v6
goto :goto_1
:cond_4
move v9, v7
.line 154
:goto_1
invoke-virtual {p0, v3}, Landroidx/media3/common/util/ParsableBitArray;->readBits(I)I
move-result p0
if-ne v9, v7, :cond_5
const/16 v4, 0xd
if-ne p0, v4, :cond_5
sget-object v0, Landroidx/media3/extractor/Ac4Util;->SAMPLE_COUNT:[I
.line 157
aget p0, v0, p0
goto :goto_4
:cond_5
if-ne v9, v6, :cond_b
sget-object v4, Landroidx/media3/extractor/Ac4Util;->SAMPLE_COUNT:[I
.line 158
array-length v6, v4
if-ge p0, v6, :cond_b
.line 159
aget v4, v4, p0
.line 160
rem-int/lit8 v1, v1, 0x5
const/16 v6, 0x8
const/4 v7, 0x1
if-eq v1, v7, :cond_8
const/16 v7, 0xb
if-eq v1, v0, :cond_7
if-eq v1, v2, :cond_8
if-eq v1, v3, :cond_6
goto :goto_2
:cond_6
if-eq p0, v2, :cond_a
if-eq p0, v6, :cond_a
if-ne p0, v7, :cond_9
goto :goto_3
:cond_7
if-eq p0, v6, :cond_a
if-ne p0, v7, :cond_9
goto :goto_3
:cond_8
if-eq p0, v2, :cond_a
if-ne p0, v6, :cond_9
goto :goto_3
:cond_9
:goto_2
move p0, v4
goto :goto_4
:cond_a
:goto_3
add-int/lit8 v4, v4, 0x1
goto :goto_2
:cond_b
const/4 p0, 0x0
.line 181
:goto_4
new-instance v0, Landroidx/media3/extractor/Ac4Util$SyncFrameInfo;
const/4 v6, 0x2
const/4 v10, 0x0
move-object v4, v0
move v7, v9
move v9, p0
invoke-direct/range {v4 .. v10}, Landroidx/media3/extractor/Ac4Util$SyncFrameInfo;-><init>(IIIIILandroidx/media3/extractor/Ac4Util$1;)V
return-object v0
.end method
.method public static parseAc4SyncframeSize([BI)I
.locals 4
.line 192
array-length v0, p0
const/4 v1, 0x7
if-ge v0, v1, :cond_0
const/4 p0, -0x1
return p0
:cond_0
const/4 v0, 0x2
.line 196
aget-byte v0, p0, v0
and-int/lit16 v0, v0, 0xff
shl-int/lit8 v0, v0, 0x8
const/4 v2, 0x3
aget-byte v2, p0, v2
and-int/lit16 v2, v2, 0xff
or-int/2addr v0, v2
const v2, 0xffff
const/4 v3, 0x4
if-ne v0, v2, :cond_1
.line 199
aget-byte v0, p0, v3
and-int/lit16 v0, v0, 0xff
shl-int/lit8 v0, v0, 0x10
const/4 v2, 0x5
aget-byte v2, p0, v2
and-int/lit16 v2, v2, 0xff
shl-int/lit8 v2, v2, 0x8
or-int/2addr v0, v2
const/4 v2, 0x6
aget-byte p0, p0, v2
and-int/lit16 p0, p0, 0xff
or-int/2addr v0, p0
goto :goto_0
:cond_1
move v1, v3
:goto_0
const p0, 0xac41
if-ne p1, p0, :cond_2
add-int/lit8 v1, v1, 0x2
:cond_2
add-int/2addr v0, v1
return v0
.end method
.method private static readVariableBits(Landroidx/media3/common/util/ParsableBitArray;I)I
.locals 2
const/4 v0, 0x0
.line 241
:goto_0
invoke-virtual {p0, p1}, Landroidx/media3/common/util/ParsableBitArray;->readBits(I)I
move-result v1
add-int/2addr v0, v1
.line 242
invoke-virtual {p0}, Landroidx/media3/common/util/ParsableBitArray;->readBit()Z
move-result v1
if-nez v1, :cond_0
return v0
:cond_0
add-int/lit8 v0, v0, 0x1
shl-int/2addr v0, p1
goto :goto_0
.end method