2022-06-10 21:38:30 +09:00

267 lines
5.7 KiB
Smali

.class public final Lcom/google/android/exoplayer2/text/cea/CeaUtil;
.super Ljava/lang/Object;
.source "CeaUtil.java"
# static fields
.field private static final COUNTRY_CODE:I = 0xb5
.field private static final PAYLOAD_TYPE_CC:I = 0x4
.field private static final PROVIDER_CODE:I = 0x31
.field private static final TAG:Ljava/lang/String; = "CeaUtil"
.field private static final USER_DATA_TYPE_CODE:I = 0x3
.field private static final USER_ID:I = 0x47413934
# direct methods
.method private constructor <init>()V
.locals 0
.line 1
invoke-direct {p0}, Ljava/lang/Object;-><init>()V
return-void
.end method
.method public static consume(JLcom/google/android/exoplayer2/util/ParsableByteArray;[Lcom/google/android/exoplayer2/extractor/TrackOutput;)V
.locals 12
.line 1
:goto_0
invoke-virtual {p2}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->bytesLeft()I
move-result v0
const/4 v1, 0x1
if-le v0, v1, :cond_4
.line 2
invoke-static {p2}, Lcom/google/android/exoplayer2/text/cea/CeaUtil;->readNon255TerminatedValue(Lcom/google/android/exoplayer2/util/ParsableByteArray;)I
move-result v0
.line 3
invoke-static {p2}, Lcom/google/android/exoplayer2/text/cea/CeaUtil;->readNon255TerminatedValue(Lcom/google/android/exoplayer2/util/ParsableByteArray;)I
move-result v2
const/4 v3, -0x1
if-eq v2, v3, :cond_3
.line 4
invoke-virtual {p2}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->bytesLeft()I
move-result v3
if-le v2, v3, :cond_0
goto :goto_2
.line 5
:cond_0
invoke-static {v0, v2, p2}, Lcom/google/android/exoplayer2/text/cea/CeaUtil;->isSeiMessageCea608(IILcom/google/android/exoplayer2/util/ParsableByteArray;)Z
move-result v0
if-eqz v0, :cond_2
const/16 v0, 0x8
.line 6
invoke-virtual {p2, v0}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->skipBytes(I)V
.line 7
invoke-virtual {p2}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readUnsignedByte()I
move-result v0
and-int/lit8 v0, v0, 0x1f
.line 8
invoke-virtual {p2, v1}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->skipBytes(I)V
mul-int/lit8 v0, v0, 0x3
.line 9
invoke-virtual {p2}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->getPosition()I
move-result v1
.line 10
array-length v10, p3
const/4 v3, 0x0
move v11, v3
:goto_1
if-ge v11, v10, :cond_1
aget-object v3, p3, v11
.line 11
invoke-virtual {p2, v1}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->setPosition(I)V
.line 12
invoke-interface {v3, p2, v0}, Lcom/google/android/exoplayer2/extractor/TrackOutput;->sampleData(Lcom/google/android/exoplayer2/util/ParsableByteArray;I)V
const/4 v6, 0x1
const/4 v8, 0x0
const/4 v9, 0x0
move-wide v4, p0
move v7, v0
.line 13
invoke-interface/range {v3 .. v9}, Lcom/google/android/exoplayer2/extractor/TrackOutput;->sampleMetadata(JIII[B)V
add-int/lit8 v11, v11, 0x1
goto :goto_1
:cond_1
add-int/lit8 v0, v0, 0xa
sub-int/2addr v2, v0
.line 14
invoke-virtual {p2, v2}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->skipBytes(I)V
goto :goto_0
.line 15
:cond_2
invoke-virtual {p2, v2}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->skipBytes(I)V
goto :goto_0
:cond_3
:goto_2
const-string v0, "CeaUtil"
const-string v1, "Skipping remainder of malformed SEI NAL unit."
.line 16
invoke-static {v0, v1}, Landroid/util/Log;->w(Ljava/lang/String;Ljava/lang/String;)I
.line 17
invoke-virtual {p2}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->limit()I
move-result v0
invoke-virtual {p2, v0}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->setPosition(I)V
goto :goto_0
:cond_4
return-void
.end method
.method private static isSeiMessageCea608(IILcom/google/android/exoplayer2/util/ParsableByteArray;)Z
.locals 4
const/4 v0, 0x0
const/4 v1, 0x4
if-ne p0, v1, :cond_1
const/16 p0, 0x8
if-ge p1, p0, :cond_0
goto :goto_0
.line 1
:cond_0
invoke-virtual {p2}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->getPosition()I
move-result p0
.line 2
invoke-virtual {p2}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readUnsignedByte()I
move-result p1
.line 3
invoke-virtual {p2}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readUnsignedShort()I
move-result v1
.line 4
invoke-virtual {p2}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readInt()I
move-result v2
.line 5
invoke-virtual {p2}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readUnsignedByte()I
move-result v3
.line 6
invoke-virtual {p2, p0}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->setPosition(I)V
const/16 p0, 0xb5
if-ne p1, p0, :cond_1
const/16 p0, 0x31
if-ne v1, p0, :cond_1
const p0, 0x47413934
if-ne v2, p0, :cond_1
const/4 p0, 0x3
if-ne v3, p0, :cond_1
const/4 v0, 0x1
:cond_1
:goto_0
return v0
.end method
.method private static readNon255TerminatedValue(Lcom/google/android/exoplayer2/util/ParsableByteArray;)I
.locals 3
const/4 v0, 0x0
.line 1
:cond_0
invoke-virtual {p0}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->bytesLeft()I
move-result v1
if-nez v1, :cond_1
const/4 p0, -0x1
return p0
.line 2
:cond_1
invoke-virtual {p0}, Lcom/google/android/exoplayer2/util/ParsableByteArray;->readUnsignedByte()I
move-result v1
add-int/2addr v0, v1
const/16 v2, 0xff
if-eq v1, v2, :cond_0
return v0
.end method