mirror of
https://github.com/Pinball3D/Rabbit-R1.git
synced 2025-01-09 13:43:22 +00:00
446 lines
7.6 KiB
Smali
446 lines
7.6 KiB
Smali
.class public Landroidx/media3/extractor/OpusUtil;
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.super Ljava/lang/Object;
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.source "OpusUtil.java"
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# static fields
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.field private static final DEFAULT_SEEK_PRE_ROLL_SAMPLES:I = 0xf00
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.field private static final FULL_CODEC_INITIALIZATION_DATA_BUFFER_COUNT:I = 0x3
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.field public static final MAX_BYTES_PER_SECOND:I = 0xf906
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.field public static final SAMPLE_RATE:I = 0xbb80
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# direct methods
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.method private constructor <init>()V
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.locals 0
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.line 38
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invoke-direct {p0}, Ljava/lang/Object;-><init>()V
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return-void
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.end method
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.method public static buildInitializationData([B)Ljava/util/List;
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.locals 6
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.annotation system Ldalvik/annotation/Signature;
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value = {
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"([B)",
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"Ljava/util/List<",
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"[B>;"
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}
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.end annotation
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.line 58
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invoke-static {p0}, Landroidx/media3/extractor/OpusUtil;->getPreSkipSamples([B)I
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move-result v0
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int-to-long v0, v0
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.line 59
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invoke-static {v0, v1}, Landroidx/media3/extractor/OpusUtil;->sampleCountToNanoseconds(J)J
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move-result-wide v0
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const-wide/16 v2, 0xf00
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.line 60
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invoke-static {v2, v3}, Landroidx/media3/extractor/OpusUtil;->sampleCountToNanoseconds(J)J
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move-result-wide v2
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.line 62
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new-instance v4, Ljava/util/ArrayList;
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const/4 v5, 0x3
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invoke-direct {v4, v5}, Ljava/util/ArrayList;-><init>(I)V
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.line 63
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invoke-interface {v4, p0}, Ljava/util/List;->add(Ljava/lang/Object;)Z
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.line 64
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invoke-static {v0, v1}, Landroidx/media3/extractor/OpusUtil;->buildNativeOrderByteArray(J)[B
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move-result-object p0
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invoke-interface {v4, p0}, Ljava/util/List;->add(Ljava/lang/Object;)Z
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.line 65
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invoke-static {v2, v3}, Landroidx/media3/extractor/OpusUtil;->buildNativeOrderByteArray(J)[B
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move-result-object p0
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invoke-interface {v4, p0}, Ljava/util/List;->add(Ljava/lang/Object;)Z
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return-object v4
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.end method
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.method private static buildNativeOrderByteArray(J)[B
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.locals 2
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const/16 v0, 0x8
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.line 179
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invoke-static {v0}, Ljava/nio/ByteBuffer;->allocate(I)Ljava/nio/ByteBuffer;
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move-result-object v0
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invoke-static {}, Ljava/nio/ByteOrder;->nativeOrder()Ljava/nio/ByteOrder;
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move-result-object v1
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invoke-virtual {v0, v1}, Ljava/nio/ByteBuffer;->order(Ljava/nio/ByteOrder;)Ljava/nio/ByteBuffer;
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move-result-object v0
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invoke-virtual {v0, p0, p1}, Ljava/nio/ByteBuffer;->putLong(J)Ljava/nio/ByteBuffer;
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move-result-object p0
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invoke-virtual {p0}, Ljava/nio/ByteBuffer;->array()[B
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move-result-object p0
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return-object p0
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.end method
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.method public static getChannelCount([B)I
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.locals 1
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const/16 v0, 0x9
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.line 47
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aget-byte p0, p0, v0
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and-int/lit16 p0, p0, 0xff
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return p0
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.end method
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.method private static getPacketDurationUs(BB)J
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.locals 5
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and-int/lit16 v0, p0, 0xff
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const/4 v1, 0x3
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and-int/2addr p0, v1
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const/4 v2, 0x1
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if-eqz p0, :cond_0
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const/4 v3, 0x2
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if-eq p0, v2, :cond_1
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if-eq p0, v3, :cond_1
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and-int/lit8 v3, p1, 0x3f
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goto :goto_0
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:cond_0
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move v3, v2
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:cond_1
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:goto_0
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shr-int/lit8 p0, v0, 0x3
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and-int/lit8 p1, p0, 0x3
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const/16 v0, 0x10
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if-lt p0, v0, :cond_2
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const/16 p0, 0x9c4
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shl-int/2addr p0, p1
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goto :goto_1
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:cond_2
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const/16 v0, 0xc
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const/16 v4, 0x2710
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if-lt p0, v0, :cond_3
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and-int/2addr p0, v2
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shl-int p0, v4, p0
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goto :goto_1
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:cond_3
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if-ne p1, v1, :cond_4
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const p0, 0xea60
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goto :goto_1
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:cond_4
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shl-int p0, v4, p1
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:goto_1
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int-to-long v0, v3
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int-to-long p0, p0
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mul-long/2addr v0, p0
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return-wide v0
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.end method
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.method public static getPacketDurationUs([B)J
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.locals 4
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const/4 v0, 0x0
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.line 139
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aget-byte v1, p0, v0
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array-length v2, p0
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const/4 v3, 0x1
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if-le v2, v3, :cond_0
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aget-byte v0, p0, v3
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:cond_0
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invoke-static {v1, v0}, Landroidx/media3/extractor/OpusUtil;->getPacketDurationUs(BB)J
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move-result-wide v0
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return-wide v0
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.end method
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.method private static getPreSkipSamples([B)I
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.locals 2
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const/16 v0, 0xb
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.line 175
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aget-byte v0, p0, v0
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and-int/lit16 v0, v0, 0xff
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shl-int/lit8 v0, v0, 0x8
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const/16 v1, 0xa
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aget-byte p0, p0, v1
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and-int/lit16 p0, p0, 0xff
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or-int/2addr p0, v0
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return p0
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.end method
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.method public static parseOggPacketAudioSampleCount(Ljava/nio/ByteBuffer;)I
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.locals 4
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.line 79
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invoke-static {p0}, Landroidx/media3/extractor/OpusUtil;->parseOggPacketForPreAudioSampleByteCount(Ljava/nio/ByteBuffer;)I
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move-result v0
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add-int/lit8 v1, v0, 0x1a
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.line 80
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invoke-virtual {p0, v1}, Ljava/nio/ByteBuffer;->get(I)B
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move-result v1
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add-int/lit8 v1, v1, 0x1b
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add-int/2addr v1, v0
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.line 85
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invoke-virtual {p0, v1}, Ljava/nio/ByteBuffer;->get(I)B
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move-result v0
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.line 86
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invoke-virtual {p0}, Ljava/nio/ByteBuffer;->limit()I
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move-result v2
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sub-int/2addr v2, v1
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const/4 v3, 0x1
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if-le v2, v3, :cond_0
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add-int/2addr v1, v3
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invoke-virtual {p0, v1}, Ljava/nio/ByteBuffer;->get(I)B
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move-result p0
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goto :goto_0
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:cond_0
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const/4 p0, 0x0
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.line 84
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:goto_0
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invoke-static {v0, p0}, Landroidx/media3/extractor/OpusUtil;->getPacketDurationUs(BB)J
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move-result-wide v0
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const-wide/32 v2, 0xbb80
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mul-long/2addr v0, v2
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const-wide/32 v2, 0xf4240
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.line 87
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div-long/2addr v0, v2
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long-to-int p0, v0
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return p0
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.end method
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.method public static parseOggPacketForPreAudioSampleByteCount(Ljava/nio/ByteBuffer;)I
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.locals 6
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const/4 v0, 0x5
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.line 98
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invoke-virtual {p0, v0}, Ljava/nio/ByteBuffer;->get(I)B
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move-result v0
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and-int/lit8 v0, v0, 0x2
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const/4 v1, 0x0
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if-nez v0, :cond_0
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return v1
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:cond_0
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const/16 v0, 0x1a
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.line 104
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invoke-virtual {p0, v0}, Ljava/nio/ByteBuffer;->get(I)B
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move-result v0
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const/16 v2, 0x1c
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move v3, v1
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move v4, v2
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:goto_0
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if-ge v3, v0, :cond_1
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add-int/lit8 v5, v3, 0x1b
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.line 106
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invoke-virtual {p0, v5}, Ljava/nio/ByteBuffer;->get(I)B
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move-result v5
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add-int/2addr v4, v5
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add-int/lit8 v3, v3, 0x1
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goto :goto_0
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:cond_1
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add-int/lit8 v0, v4, 0x1a
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.line 111
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invoke-virtual {p0, v0}, Ljava/nio/ByteBuffer;->get(I)B
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move-result v0
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:goto_1
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if-ge v1, v0, :cond_2
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add-int/lit8 v3, v4, 0x1b
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add-int/2addr v3, v1
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.line 113
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invoke-virtual {p0, v3}, Ljava/nio/ByteBuffer;->get(I)B
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move-result v3
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add-int/2addr v2, v3
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add-int/lit8 v1, v1, 0x1
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goto :goto_1
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:cond_2
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add-int/2addr v4, v2
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return v4
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.end method
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.method public static parsePacketAudioSampleCount(Ljava/nio/ByteBuffer;)I
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.locals 4
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const/4 v0, 0x0
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.line 128
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invoke-virtual {p0, v0}, Ljava/nio/ByteBuffer;->get(I)B
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move-result v1
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invoke-virtual {p0}, Ljava/nio/ByteBuffer;->limit()I
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move-result v2
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const/4 v3, 0x1
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if-le v2, v3, :cond_0
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invoke-virtual {p0, v3}, Ljava/nio/ByteBuffer;->get(I)B
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move-result v0
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:cond_0
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invoke-static {v1, v0}, Landroidx/media3/extractor/OpusUtil;->getPacketDurationUs(BB)J
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move-result-wide v0
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const-wide/32 v2, 0xbb80
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mul-long/2addr v0, v2
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const-wide/32 v2, 0xf4240
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.line 129
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div-long/2addr v0, v2
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long-to-int p0, v0
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return p0
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.end method
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.method private static sampleCountToNanoseconds(J)J
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.locals 2
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const-wide/32 v0, 0x3b9aca00
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mul-long/2addr p0, v0
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const-wide/32 v0, 0xbb80
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.line 183
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div-long/2addr p0, v0
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return-wide p0
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.end method
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