VorbisUtil.smali
.class final Lcom/google/android/exoplayer2/extractor/ogg/VorbisUtil;
.super Ljava/lang/Object;
.source "VorbisUtil.java"
# annotations
.annotation system Ldalvik/annotation/MemberClasses;
value = {
Lcom/google/android/exoplayer2/extractor/ogg/VorbisUtil$Mode;,
Lcom/google/android/exoplayer2/extractor/ogg/VorbisUtil$VorbisIdHeader;,
Lcom/google/android/exoplayer2/extractor/ogg/VorbisUtil$CommentHeader;,
Lcom/google/android/exoplayer2/extractor/ogg/VorbisUtil$CodeBook;
}
.end annotation
# static fields
.field private static final TAG:Ljava/lang/String; = "VorbisUtil"
# direct methods
.method constructor <init>()V
.registers 1
.line 26
invoke-direct {p0}, Ljava/lang/Object;-><init>()V
return-void
.end method
.method public static iLog(I)I
.registers 2
const/4 v0, 0x0
:goto_1
if-lez p0, :cond_8
add-int/lit8 v0, v0, 0x1
ushr-int/lit8 p0, p0, 0x1
goto :goto_1
:cond_8
return v0
.end method
.method private static mapType1QuantValues(JJ)J
.registers 6
long-to-double p0, p0
long-to-double p2, p2
const-wide/high16 v0, 0x3ff0000000000000L # 1.0
div-double/2addr v0, p2
.line 407
invoke-static {p0, p1, v0, v1}, Ljava/lang/Math;->pow(DD)D
move-result-wide p0
invoke-static {p0, p1}, Ljava/lang/Math;->floor(D)D
move-result-wide p0
double-to-long p0, p0
return-wide p0
.end method
.method private static readBook(Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;)Lcom/google/android/exoplayer2/extractor/ogg/VorbisUtil$CodeBook;
.registers 15
.annotation system Ldalvik/annotation/Throws;
value = {
Lcom/google/android/exoplayer2/ParserException;
}
.end annotation
const/16 v0, 0x18
.line 346
invoke-virtual {p0, v0}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBits(I)I
move-result v1
const v2, 0x564342
if-ne v1, v2, :cond_b8
const/16 v1, 0x10
.line 350
invoke-virtual {p0, v1}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBits(I)I
move-result v3
.line 351
invoke-virtual {p0, v0}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBits(I)I
move-result v4
.line 352
new-array v5, v4, [J
.line 354
invoke-virtual {p0}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBit()Z
move-result v7
const-wide/16 v0, 0x0
const/4 v2, 0x0
const/4 v6, 0x5
const/4 v8, 0x1
if-nez v7, :cond_47
.line 356
invoke-virtual {p0}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBit()Z
move-result v9
:goto_26
if-ge v2, v4, :cond_69
if-eqz v9, :cond_3c
.line 359
invoke-virtual {p0}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBit()Z
move-result v10
if-eqz v10, :cond_39
.line 360
invoke-virtual {p0, v6}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBits(I)I
move-result v10
add-int/2addr v10, v8
int-to-long v10, v10
aput-wide v10, v5, v2
goto :goto_44
.line 362
:cond_39
aput-wide v0, v5, v2
goto :goto_44
.line 365
:cond_3c
invoke-virtual {p0, v6}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBits(I)I
move-result v10
add-int/2addr v10, v8
int-to-long v10, v10
aput-wide v10, v5, v2
:goto_44
add-int/lit8 v2, v2, 0x1
goto :goto_26
.line 369
:cond_47
invoke-virtual {p0, v6}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBits(I)I
move-result v6
add-int/2addr v6, v8
const/4 v9, 0x0
:goto_4d
if-ge v9, v4, :cond_69
sub-int v10, v4, v9
.line 371
invoke-static {v10}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisUtil;->iLog(I)I
move-result v10
invoke-virtual {p0, v10}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBits(I)I
move-result v10
const/4 v11, 0x0
:goto_5a
if-ge v11, v10, :cond_66
if-ge v9, v4, :cond_66
int-to-long v12, v6
.line 373
aput-wide v12, v5, v9
add-int/lit8 v9, v9, 0x1
add-int/lit8 v11, v11, 0x1
goto :goto_5a
:cond_66
add-int/lit8 v6, v6, 0x1
goto :goto_4d
:cond_69
const/4 v2, 0x4
.line 379
invoke-virtual {p0, v2}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBits(I)I
move-result v6
const/4 v9, 0x2
if-gt v6, v9, :cond_a1
if-eq v6, v8, :cond_75
if-ne v6, v9, :cond_9a
:cond_75
const/16 v9, 0x20
.line 383
invoke-virtual {p0, v9}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->skipBits(I)V
.line 384
invoke-virtual {p0, v9}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->skipBits(I)V
.line 385
invoke-virtual {p0, v2}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBits(I)I
move-result v2
add-int/2addr v2, v8
.line 386
invoke-virtual {p0, v8}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->skipBits(I)V
if-ne v6, v8, :cond_90
if-eqz v3, :cond_93
int-to-long v0, v4
int-to-long v8, v3
.line 390
invoke-static {v0, v1, v8, v9}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisUtil;->mapType1QuantValues(JJ)J
move-result-wide v0
goto :goto_93
:cond_90
mul-int v0, v4, v3
int-to-long v0, v0
:cond_93
:goto_93
int-to-long v8, v2
mul-long v0, v0, v8
long-to-int v1, v0
.line 398
invoke-virtual {p0, v1}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->skipBits(I)V
.line 400
:cond_9a
new-instance p0, Lcom/google/android/exoplayer2/extractor/ogg/VorbisUtil$CodeBook;
move-object v2, p0
invoke-direct/range {v2 .. v7}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisUtil$CodeBook;-><init>(II[JIZ)V
return-object p0
.line 381
:cond_a1
new-instance p0, Lcom/google/android/exoplayer2/ParserException;
new-instance v0, Ljava/lang/StringBuilder;
invoke-direct {v0}, Ljava/lang/StringBuilder;-><init>()V
const-string v1, "lookup type greater than 2 not decodable: "
invoke-virtual {v0, v1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
invoke-virtual {v0, v6}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;
invoke-virtual {v0}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
move-result-object v0
invoke-direct {p0, v0}, Lcom/google/android/exoplayer2/ParserException;-><init>(Ljava/lang/String;)V
throw p0
.line 347
:cond_b8
new-instance v0, Lcom/google/android/exoplayer2/ParserException;
new-instance v1, Ljava/lang/StringBuilder;
invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V
const-string v2, "expected code book to start with [0x56, 0x43, 0x42] at "
invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
.line 348
invoke-virtual {p0}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->getPosition()I
move-result p0
invoke-virtual {v1, p0}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;
invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
move-result-object p0
invoke-direct {v0, p0}, Lcom/google/android/exoplayer2/ParserException;-><init>(Ljava/lang/String;)V
throw v0
.end method
.method private static readFloors(Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;)V
.registers 16
.annotation system Ldalvik/annotation/Throws;
value = {
Lcom/google/android/exoplayer2/ParserException;
}
.end annotation
const/4 v0, 0x6
.line 292
invoke-virtual {p0, v0}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBits(I)I
move-result v1
const/4 v2, 0x1
add-int/2addr v1, v2
const/4 v3, 0x0
const/4 v4, 0x0
:goto_9
if-ge v4, v1, :cond_ad
const/16 v5, 0x10
.line 294
invoke-virtual {p0, v5}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBits(I)I
move-result v6
const/4 v7, 0x4
const/16 v8, 0x8
if-eqz v6, :cond_8c
if-ne v6, v2, :cond_75
const/4 v5, 0x5
.line 308
invoke-virtual {p0, v5}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBits(I)I
move-result v5
const/4 v6, -0x1
.line 310
new-array v9, v5, [I
const/4 v10, 0x0
:goto_21
if-ge v10, v5, :cond_32
.line 312
invoke-virtual {p0, v7}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBits(I)I
move-result v11
aput v11, v9, v10
.line 313
aget v11, v9, v10
if-le v11, v6, :cond_2f
.line 314
aget v6, v9, v10
:cond_2f
add-int/lit8 v10, v10, 0x1
goto :goto_21
:cond_32
add-int/lit8 v6, v6, 0x1
.line 317
new-array v10, v6, [I
const/4 v11, 0x0
:goto_37
const/4 v12, 0x2
if-ge v11, v6, :cond_59
const/4 v13, 0x3
.line 319
invoke-virtual {p0, v13}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBits(I)I
move-result v13
add-int/2addr v13, v2
aput v13, v10, v11
.line 320
invoke-virtual {p0, v12}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBits(I)I
move-result v12
if-lez v12, :cond_4b
.line 322
invoke-virtual {p0, v8}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->skipBits(I)V
:cond_4b
const/4 v13, 0x0
:goto_4c
shl-int v14, v2, v12
if-ge v13, v14, :cond_56
.line 325
invoke-virtual {p0, v8}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->skipBits(I)V
add-int/lit8 v13, v13, 0x1
goto :goto_4c
:cond_56
add-int/lit8 v11, v11, 0x1
goto :goto_37
.line 328
:cond_59
invoke-virtual {p0, v12}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->skipBits(I)V
.line 329
invoke-virtual {p0, v7}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBits(I)I
move-result v6
const/4 v7, 0x0
const/4 v8, 0x0
const/4 v11, 0x0
:goto_63
if-ge v7, v5, :cond_a9
.line 332
aget v12, v9, v7
.line 333
aget v12, v10, v12
add-int/2addr v8, v12
:goto_6a
if-ge v11, v8, :cond_72
.line 335
invoke-virtual {p0, v6}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->skipBits(I)V
add-int/lit8 v11, v11, 0x1
goto :goto_6a
:cond_72
add-int/lit8 v7, v7, 0x1
goto :goto_63
.line 340
:cond_75
new-instance p0, Lcom/google/android/exoplayer2/ParserException;
new-instance v0, Ljava/lang/StringBuilder;
invoke-direct {v0}, Ljava/lang/StringBuilder;-><init>()V
const-string v1, "floor type greater than 1 not decodable: "
invoke-virtual {v0, v1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
invoke-virtual {v0, v6}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;
invoke-virtual {v0}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
move-result-object v0
invoke-direct {p0, v0}, Lcom/google/android/exoplayer2/ParserException;-><init>(Ljava/lang/String;)V
throw p0
.line 297
:cond_8c
invoke-virtual {p0, v8}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->skipBits(I)V
.line 298
invoke-virtual {p0, v5}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->skipBits(I)V
.line 299
invoke-virtual {p0, v5}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->skipBits(I)V
.line 300
invoke-virtual {p0, v0}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->skipBits(I)V
.line 301
invoke-virtual {p0, v8}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->skipBits(I)V
.line 302
invoke-virtual {p0, v7}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBits(I)I
move-result v5
add-int/2addr v5, v2
const/4 v6, 0x0
:goto_a1
if-ge v6, v5, :cond_a9
.line 304
invoke-virtual {p0, v8}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->skipBits(I)V
add-int/lit8 v6, v6, 0x1
goto :goto_a1
:cond_a9
add-int/lit8 v4, v4, 0x1
goto/16 :goto_9
:cond_ad
return-void
.end method
.method private static readMappings(ILcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;)V
.registers 13
.annotation system Ldalvik/annotation/Throws;
value = {
Lcom/google/android/exoplayer2/ParserException;
}
.end annotation
const/4 v0, 0x6
.line 218
invoke-virtual {p1, v0}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBits(I)I
move-result v0
const/4 v1, 0x1
add-int/2addr v0, v1
const/4 v2, 0x0
const/4 v3, 0x0
:goto_9
if-ge v3, v0, :cond_87
const/16 v4, 0x10
.line 220
invoke-virtual {p1, v4}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBits(I)I
move-result v4
if-eqz v4, :cond_2a
.line 254
new-instance v5, Ljava/lang/StringBuilder;
invoke-direct {v5}, Ljava/lang/StringBuilder;-><init>()V
const-string v6, "mapping type other than 0 not supported: "
invoke-virtual {v5, v6}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
invoke-virtual {v5, v4}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;
invoke-virtual {v5}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
move-result-object v4
const-string v5, "VorbisUtil"
invoke-static {v5, v4}, Landroid/util/Log;->e(Ljava/lang/String;Ljava/lang/String;)I
goto :goto_7c
.line 224
:cond_2a
invoke-virtual {p1}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBit()Z
move-result v4
const/4 v5, 0x4
if-eqz v4, :cond_37
.line 225
invoke-virtual {p1, v5}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBits(I)I
move-result v4
add-int/2addr v4, v1
goto :goto_38
:cond_37
const/4 v4, 0x1
.line 230
:goto_38
invoke-virtual {p1}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBit()Z
move-result v6
const/16 v7, 0x8
if-eqz v6, :cond_5b
.line 231
invoke-virtual {p1, v7}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBits(I)I
move-result v6
add-int/2addr v6, v1
const/4 v8, 0x0
:goto_46
if-ge v8, v6, :cond_5b
add-int/lit8 v9, p0, -0x1
.line 233
invoke-static {v9}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisUtil;->iLog(I)I
move-result v10
invoke-virtual {p1, v10}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->skipBits(I)V
.line 234
invoke-static {v9}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisUtil;->iLog(I)I
move-result v9
invoke-virtual {p1, v9}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->skipBits(I)V
add-int/lit8 v8, v8, 0x1
goto :goto_46
:cond_5b
const/4 v6, 0x2
.line 239
invoke-virtual {p1, v6}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBits(I)I
move-result v6
if-nez v6, :cond_7f
if-le v4, v1, :cond_6d
const/4 v6, 0x0
:goto_65
if-ge v6, p0, :cond_6d
.line 244
invoke-virtual {p1, v5}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->skipBits(I)V
add-int/lit8 v6, v6, 0x1
goto :goto_65
:cond_6d
const/4 v5, 0x0
:goto_6e
if-ge v5, v4, :cond_7c
.line 248
invoke-virtual {p1, v7}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->skipBits(I)V
.line 249
invoke-virtual {p1, v7}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->skipBits(I)V
.line 250
invoke-virtual {p1, v7}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->skipBits(I)V
add-int/lit8 v5, v5, 0x1
goto :goto_6e
:cond_7c
:goto_7c
add-int/lit8 v3, v3, 0x1
goto :goto_9
.line 240
:cond_7f
new-instance p0, Lcom/google/android/exoplayer2/ParserException;
const-string p1, "to reserved bits must be zero after mapping coupling steps"
invoke-direct {p0, p1}, Lcom/google/android/exoplayer2/ParserException;-><init>(Ljava/lang/String;)V
throw p0
:cond_87
return-void
.end method
.method private static readModes(Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;)[Lcom/google/android/exoplayer2/extractor/ogg/VorbisUtil$Mode;
.registers 9
const/4 v0, 0x6
.line 204
invoke-virtual {p0, v0}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBits(I)I
move-result v0
add-int/lit8 v0, v0, 0x1
.line 205
new-array v1, v0, [Lcom/google/android/exoplayer2/extractor/ogg/VorbisUtil$Mode;
const/4 v2, 0x0
:goto_a
if-ge v2, v0, :cond_2a
.line 207
invoke-virtual {p0}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBit()Z
move-result v3
const/16 v4, 0x10
.line 208
invoke-virtual {p0, v4}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBits(I)I
move-result v5
.line 209
invoke-virtual {p0, v4}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBits(I)I
move-result v4
const/16 v6, 0x8
.line 210
invoke-virtual {p0, v6}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBits(I)I
move-result v6
.line 211
new-instance v7, Lcom/google/android/exoplayer2/extractor/ogg/VorbisUtil$Mode;
invoke-direct {v7, v3, v5, v4, v6}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisUtil$Mode;-><init>(ZIII)V
aput-object v7, v1, v2
add-int/lit8 v2, v2, 0x1
goto :goto_a
:cond_2a
return-object v1
.end method
.method private static readResidues(Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;)V
.registers 13
.annotation system Ldalvik/annotation/Throws;
value = {
Lcom/google/android/exoplayer2/ParserException;
}
.end annotation
const/4 v0, 0x6
.line 260
invoke-virtual {p0, v0}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBits(I)I
move-result v1
const/4 v2, 0x1
add-int/2addr v1, v2
const/4 v3, 0x0
const/4 v4, 0x0
:goto_9
if-ge v4, v1, :cond_69
const/16 v5, 0x10
.line 262
invoke-virtual {p0, v5}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBits(I)I
move-result v5
const/4 v6, 0x2
if-gt v5, v6, :cond_61
const/16 v5, 0x18
.line 266
invoke-virtual {p0, v5}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->skipBits(I)V
.line 267
invoke-virtual {p0, v5}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->skipBits(I)V
.line 268
invoke-virtual {p0, v5}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->skipBits(I)V
.line 269
invoke-virtual {p0, v0}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBits(I)I
move-result v5
add-int/2addr v5, v2
const/16 v6, 0x8
.line 270
invoke-virtual {p0, v6}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->skipBits(I)V
.line 271
new-array v7, v5, [I
const/4 v8, 0x0
:goto_2c
if-ge v8, v5, :cond_48
const/4 v9, 0x3
.line 274
invoke-virtual {p0, v9}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBits(I)I
move-result v9
.line 275
invoke-virtual {p0}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBit()Z
move-result v10
if-eqz v10, :cond_3f
const/4 v10, 0x5
.line 276
invoke-virtual {p0, v10}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBits(I)I
move-result v10
goto :goto_40
:cond_3f
const/4 v10, 0x0
:goto_40
mul-int/lit8 v10, v10, 0x8
add-int/2addr v10, v9
.line 278
aput v10, v7, v8
add-int/lit8 v8, v8, 0x1
goto :goto_2c
:cond_48
const/4 v8, 0x0
:goto_49
if-ge v8, v5, :cond_5e
const/4 v9, 0x0
:goto_4c
if-ge v9, v6, :cond_5b
.line 282
aget v10, v7, v8
shl-int v11, v2, v9
and-int/2addr v10, v11
if-eqz v10, :cond_58
.line 283
invoke-virtual {p0, v6}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->skipBits(I)V
:cond_58
add-int/lit8 v9, v9, 0x1
goto :goto_4c
:cond_5b
add-int/lit8 v8, v8, 0x1
goto :goto_49
:cond_5e
add-int/lit8 v4, v4, 0x1
goto :goto_9
.line 264
:cond_61
new-instance p0, Lcom/google/android/exoplayer2/ParserException;
const-string v0, "residueType greater than 2 is not decodable"
invoke-direct {p0, v0}, Lcom/google/android/exoplayer2/ParserException;-><init>(Ljava/lang/String;)V
throw p0
:cond_69
return-void
.end method
.method public static readVorbisCommentHeader(Lcom/google/android/exoplayer2/util/ParsableByteArray;)Lcom/google/android/exoplayer2/extractor/ogg/VorbisUtil$CommentHeader;
.registers 10
.annotation system Ldalvik/annotation/Throws;
value = {
Lcom/google/android/exoplayer2/ParserException;
}
.end annotation
const/4 v0, 0x3
const/4 v1, 0x0
.line 92
invoke-static {v0, p0, v1}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisUtil;->verifyVorbisHeaderCapturePattern(ILcom/google/android/exoplayer2/util/ParsableByteArray;Z)Z
.line 95
invoke-virtual {p0}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readLittleEndianUnsignedInt()J
move-result-wide v2
long-to-int v0, v2
.line 97
invoke-virtual {p0, v0}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readString(I)Ljava/lang/String;
move-result-object v0
.line 98
invoke-virtual {v0}, Ljava/lang/String;->length()I
move-result v2
const/16 v3, 0xb
add-int/2addr v3, v2
.line 100
invoke-virtual {p0}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readLittleEndianUnsignedInt()J
move-result-wide v4
long-to-int v2, v4
.line 101
new-array v2, v2, [Ljava/lang/String;
add-int/lit8 v3, v3, 0x4
:goto_1e
int-to-long v6, v1
cmp-long v8, v6, v4
if-gez v8, :cond_3a
.line 104
invoke-virtual {p0}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readLittleEndianUnsignedInt()J
move-result-wide v6
long-to-int v7, v6
add-int/lit8 v3, v3, 0x4
.line 106
invoke-virtual {p0, v7}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readString(I)Ljava/lang/String;
move-result-object v6
aput-object v6, v2, v1
.line 107
aget-object v6, v2, v1
invoke-virtual {v6}, Ljava/lang/String;->length()I
move-result v6
add-int/2addr v3, v6
add-int/lit8 v1, v1, 0x1
goto :goto_1e
.line 109
:cond_3a
invoke-virtual {p0}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readUnsignedByte()I
move-result p0
and-int/lit8 p0, p0, 0x1
if-eqz p0, :cond_4a
add-int/lit8 v3, v3, 0x1
.line 113
new-instance p0, Lcom/google/android/exoplayer2/extractor/ogg/VorbisUtil$CommentHeader;
invoke-direct {p0, v0, v2, v3}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisUtil$CommentHeader;-><init>(Ljava/lang/String;[Ljava/lang/String;I)V
return-object p0
.line 110
:cond_4a
new-instance p0, Lcom/google/android/exoplayer2/ParserException;
const-string v0, "framing bit expected to be set"
invoke-direct {p0, v0}, Lcom/google/android/exoplayer2/ParserException;-><init>(Ljava/lang/String;)V
throw p0
.end method
.method public static readVorbisIdentificationHeader(Lcom/google/android/exoplayer2/util/ParsableByteArray;)Lcom/google/android/exoplayer2/extractor/ogg/VorbisUtil$VorbisIdHeader;
.registers 17
.annotation system Ldalvik/annotation/Throws;
value = {
Lcom/google/android/exoplayer2/ParserException;
}
.end annotation
move-object/from16 v0, p0
const/4 v1, 0x1
const/4 v2, 0x0
.line 59
invoke-static {v1, v0, v2}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisUtil;->verifyVorbisHeaderCapturePattern(ILcom/google/android/exoplayer2/util/ParsableByteArray;Z)Z
.line 61
invoke-virtual/range {p0 .. p0}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readLittleEndianUnsignedInt()J
move-result-wide v4
.line 62
invoke-virtual/range {p0 .. p0}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readUnsignedByte()I
move-result v6
.line 63
invoke-virtual/range {p0 .. p0}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readLittleEndianUnsignedInt()J
move-result-wide v7
.line 64
invoke-virtual/range {p0 .. p0}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readLittleEndianInt()I
move-result v9
.line 65
invoke-virtual/range {p0 .. p0}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readLittleEndianInt()I
move-result v10
.line 66
invoke-virtual/range {p0 .. p0}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readLittleEndianInt()I
move-result v11
.line 68
invoke-virtual/range {p0 .. p0}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readUnsignedByte()I
move-result v3
and-int/lit8 v12, v3, 0xf
int-to-double v12, v12
const-wide/high16 v14, 0x4000000000000000L # 2.0
.line 69
invoke-static {v14, v15, v12, v13}, Ljava/lang/Math;->pow(DD)D
move-result-wide v12
double-to-int v12, v12
and-int/lit16 v3, v3, 0xf0
shr-int/lit8 v3, v3, 0x4
int-to-double v2, v3
.line 70
invoke-static {v14, v15, v2, v3}, Ljava/lang/Math;->pow(DD)D
move-result-wide v2
double-to-int v2, v2
.line 72
invoke-virtual/range {p0 .. p0}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readUnsignedByte()I
move-result v3
and-int/2addr v3, v1
if-lez v3, :cond_40
const/4 v14, 0x1
goto :goto_41
:cond_40
const/4 v14, 0x0
.line 74
:goto_41
iget-object v1, v0, Lcom/google/android/exoplayer2/util/ParsableByteArray;->data:[B
invoke-virtual/range {p0 .. p0}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->limit()I
move-result v0
invoke-static {v1, v0}, Ljava/util/Arrays;->copyOf([BI)[B
move-result-object v15
.line 76
new-instance v0, Lcom/google/android/exoplayer2/extractor/ogg/VorbisUtil$VorbisIdHeader;
move-object v3, v0
move v13, v2
invoke-direct/range {v3 .. v15}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisUtil$VorbisIdHeader;-><init>(JIJIIIIIZ[B)V
return-object v0
.end method
.method public static readVorbisModes(Lcom/google/android/exoplayer2/util/ParsableByteArray;I)[Lcom/google/android/exoplayer2/extractor/ogg/VorbisUtil$Mode;
.registers 6
.annotation system Ldalvik/annotation/Throws;
value = {
Lcom/google/android/exoplayer2/ParserException;
}
.end annotation
const/4 v0, 0x5
const/4 v1, 0x0
.line 175
invoke-static {v0, p0, v1}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisUtil;->verifyVorbisHeaderCapturePattern(ILcom/google/android/exoplayer2/util/ParsableByteArray;Z)Z
.line 177
invoke-virtual {p0}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readUnsignedByte()I
move-result v0
add-int/lit8 v0, v0, 0x1
.line 179
new-instance v2, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;
iget-object v3, p0, Lcom/google/android/exoplayer2/util/ParsableByteArray;->data:[B
invoke-direct {v2, v3}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;-><init>([B)V
.line 180
invoke-virtual {p0}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->getPosition()I
move-result p0
mul-int/lit8 p0, p0, 0x8
invoke-virtual {v2, p0}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->skipBits(I)V
const/4 p0, 0x0
:goto_1c
if-ge p0, v0, :cond_24
.line 183
invoke-static {v2}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisUtil;->readBook(Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;)Lcom/google/android/exoplayer2/extractor/ogg/VorbisUtil$CodeBook;
add-int/lit8 p0, p0, 0x1
goto :goto_1c
:cond_24
const/4 p0, 0x6
.line 186
invoke-virtual {v2, p0}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBits(I)I
move-result p0
add-int/lit8 p0, p0, 0x1
:goto_2b
if-ge v1, p0, :cond_40
const/16 v0, 0x10
.line 188
invoke-virtual {v2, v0}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBits(I)I
move-result v0
if-nez v0, :cond_38
add-int/lit8 v1, v1, 0x1
goto :goto_2b
.line 189
:cond_38
new-instance p0, Lcom/google/android/exoplayer2/ParserException;
const-string p1, "placeholder of time domain transforms not zeroed out"
invoke-direct {p0, p1}, Lcom/google/android/exoplayer2/ParserException;-><init>(Ljava/lang/String;)V
throw p0
.line 192
:cond_40
invoke-static {v2}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisUtil;->readFloors(Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;)V
.line 193
invoke-static {v2}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisUtil;->readResidues(Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;)V
.line 194
invoke-static {p1, v2}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisUtil;->readMappings(ILcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;)V
.line 196
invoke-static {v2}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisUtil;->readModes(Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;)[Lcom/google/android/exoplayer2/extractor/ogg/VorbisUtil$Mode;
move-result-object p0
.line 197
invoke-virtual {v2}, Lcom/google/android/exoplayer2/extractor/ogg/VorbisBitArray;->readBit()Z
move-result p1
if-eqz p1, :cond_54
return-object p0
.line 198
:cond_54
new-instance p0, Lcom/google/android/exoplayer2/ParserException;
const-string p1, "framing bit after modes not set as expected"
invoke-direct {p0, p1}, Lcom/google/android/exoplayer2/ParserException;-><init>(Ljava/lang/String;)V
throw p0
.end method
.method public static verifyVorbisHeaderCapturePattern(ILcom/google/android/exoplayer2/util/ParsableByteArray;Z)Z
.registers 6
.annotation system Ldalvik/annotation/Throws;
value = {
Lcom/google/android/exoplayer2/ParserException;
}
.end annotation
.line 129
invoke-virtual {p1}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->bytesLeft()I
move-result v0
const/4 v1, 0x0
const/4 v2, 0x7
if-ge v0, v2, :cond_27
if-eqz p2, :cond_b
return v1
.line 133
:cond_b
new-instance p0, Lcom/google/android/exoplayer2/ParserException;
new-instance p2, Ljava/lang/StringBuilder;
invoke-direct {p2}, Ljava/lang/StringBuilder;-><init>()V
const-string/jumbo v0, "too short header: "
invoke-virtual {p2, v0}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
invoke-virtual {p1}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->bytesLeft()I
move-result p1
invoke-virtual {p2, p1}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;
invoke-virtual {p2}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
move-result-object p1
invoke-direct {p0, p1}, Lcom/google/android/exoplayer2/ParserException;-><init>(Ljava/lang/String;)V
throw p0
.line 137
:cond_27
invoke-virtual {p1}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readUnsignedByte()I
move-result v0
if-eq v0, p0, :cond_4b
if-eqz p2, :cond_30
return v1
.line 141
:cond_30
new-instance p1, Lcom/google/android/exoplayer2/ParserException;
new-instance p2, Ljava/lang/StringBuilder;
invoke-direct {p2}, Ljava/lang/StringBuilder;-><init>()V
const-string v0, "expected header type "
invoke-virtual {p2, v0}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
invoke-static {p0}, Ljava/lang/Integer;->toHexString(I)Ljava/lang/String;
move-result-object p0
invoke-virtual {p2, p0}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
invoke-virtual {p2}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
move-result-object p0
invoke-direct {p1, p0}, Lcom/google/android/exoplayer2/ParserException;-><init>(Ljava/lang/String;)V
throw p1
.line 145
:cond_4b
invoke-virtual {p1}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readUnsignedByte()I
move-result p0
const/16 v0, 0x76
if-ne p0, v0, :cond_7e
.line 146
invoke-virtual {p1}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readUnsignedByte()I
move-result p0
const/16 v0, 0x6f
if-ne p0, v0, :cond_7e
.line 147
invoke-virtual {p1}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readUnsignedByte()I
move-result p0
const/16 v0, 0x72
if-ne p0, v0, :cond_7e
.line 148
invoke-virtual {p1}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readUnsignedByte()I
move-result p0
const/16 v0, 0x62
if-ne p0, v0, :cond_7e
.line 149
invoke-virtual {p1}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readUnsignedByte()I
move-result p0
const/16 v0, 0x69
if-ne p0, v0, :cond_7e
.line 150
invoke-virtual {p1}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readUnsignedByte()I
move-result p0
const/16 p1, 0x73
if-eq p0, p1, :cond_7c
goto :goto_7e
:cond_7c
const/4 p0, 0x1
return p0
:cond_7e
:goto_7e
if-eqz p2, :cond_81
return v1
.line 154
:cond_81
new-instance p0, Lcom/google/android/exoplayer2/ParserException;
const-string p1, "expected characters \'vorbis\'"
invoke-direct {p0, p1}, Lcom/google/android/exoplayer2/ParserException;-><init>(Ljava/lang/String;)V
throw p0
.end method