347 lines
6.0 KiB
Smali
347 lines
6.0 KiB
Smali
.class public final Lcom/google/android/exoplayer2/audio/DtsUtil;
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.super Ljava/lang/Object;
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.source "DtsUtil.java"
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# static fields
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.field private static final CHANNELS_BY_AMODE:[I
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.field private static final SAMPLE_RATE_BY_SFREQ:[I
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.field private static final TWICE_BITRATE_KBPS_BY_RATE:[I
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# direct methods
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.method public static constructor <clinit>()V
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.locals 2
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const/16 v0, 0x10
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new-array v1, v0, [I
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.line 1
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fill-array-data v1, :array_0
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sput-object v1, Lcom/google/android/exoplayer2/audio/DtsUtil;->CHANNELS_BY_AMODE:[I
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new-array v0, v0, [I
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.line 2
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fill-array-data v0, :array_1
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sput-object v0, Lcom/google/android/exoplayer2/audio/DtsUtil;->SAMPLE_RATE_BY_SFREQ:[I
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const/16 v0, 0x1d
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new-array v0, v0, [I
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.line 3
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fill-array-data v0, :array_2
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sput-object v0, Lcom/google/android/exoplayer2/audio/DtsUtil;->TWICE_BITRATE_KBPS_BY_RATE:[I
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return-void
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:array_0
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.array-data 4
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0x1
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0x2
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0x2
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0x2
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0x2
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0x3
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0x3
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0x4
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0x4
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0x5
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0x6
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0x6
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0x6
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0x7
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0x8
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0x8
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.end array-data
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:array_1
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.array-data 4
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-0x1
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0x1f40
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0x3e80
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0x7d00
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-0x1
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-0x1
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0x2b11
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0x5622
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0xac44
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-0x1
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-0x1
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0x2ee0
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0x5dc0
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0xbb80
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-0x1
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-0x1
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.end array-data
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:array_2
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.array-data 4
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0x40
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0x70
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0x80
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0xc0
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0xe0
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0x100
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0x180
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0x1c0
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0x200
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0x280
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0x300
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0x380
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0x400
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0x480
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0x500
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0x600
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0x780
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0x800
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0x900
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0xa00
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0xa80
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0xb00
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0xb07
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0xb80
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0xc00
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0xf00
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0x1000
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0x1800
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0x1e00
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.end array-data
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.end method
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.method private constructor <init>()V
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.locals 0
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.line 1
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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 getDtsFrameSize([B)I
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.locals 2
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const/4 v0, 0x5
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.line 1
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aget-byte v0, p0, v0
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and-int/lit8 v0, v0, 0x2
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shl-int/lit8 v0, v0, 0xc
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const/4 v1, 0x6
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aget-byte v1, p0, v1
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and-int/lit16 v1, v1, 0xff
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shl-int/lit8 v1, v1, 0x4
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or-int/2addr v0, v1
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const/4 v1, 0x7
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aget-byte p0, p0, v1
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and-int/lit16 p0, p0, 0xf0
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shr-int/lit8 p0, p0, 0x4
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or-int/2addr p0, v0
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add-int/lit8 p0, p0, 0x1
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return p0
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.end method
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.method public static parseDtsAudioSampleCount(Ljava/nio/ByteBuffer;)I
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.locals 2
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.line 2
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invoke-virtual {p0}, Ljava/nio/ByteBuffer;->position()I
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move-result v0
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add-int/lit8 v1, v0, 0x4
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.line 3
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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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and-int/lit8 v1, v1, 0x1
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shl-int/lit8 v1, v1, 0x6
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add-int/lit8 v0, v0, 0x5
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.line 4
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invoke-virtual {p0, v0}, Ljava/nio/ByteBuffer;->get(I)B
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move-result p0
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and-int/lit16 p0, p0, 0xfc
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shr-int/lit8 p0, p0, 0x2
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or-int/2addr p0, v1
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add-int/lit8 p0, p0, 0x1
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mul-int/lit8 p0, p0, 0x20
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return p0
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.end method
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.method public static parseDtsAudioSampleCount([B)I
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.locals 2
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const/4 v0, 0x4
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.line 1
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aget-byte v0, p0, v0
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and-int/lit8 v0, v0, 0x1
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shl-int/lit8 v0, v0, 0x6
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const/4 v1, 0x5
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aget-byte p0, p0, v1
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and-int/lit16 p0, p0, 0xfc
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shr-int/lit8 p0, p0, 0x2
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or-int/2addr p0, v0
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add-int/lit8 p0, p0, 0x1
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mul-int/lit8 p0, p0, 0x20
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return p0
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.end method
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.method public static parseDtsFormat([BLjava/lang/String;Ljava/lang/String;Lcom/google/android/exoplayer2/drm/DrmInitData;)Lcom/google/android/exoplayer2/Format;
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.locals 15
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.line 1
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new-instance v0, Lcom/google/android/exoplayer2/util/ParsableBitArray;
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move-object v1, p0
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invoke-direct {v0, p0}, Lcom/google/android/exoplayer2/util/ParsableBitArray;-><init>([B)V
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const/16 v1, 0x3c
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.line 2
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invoke-virtual {v0, v1}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->skipBits(I)V
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const/4 v1, 0x6
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.line 3
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invoke-virtual {v0, v1}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->readBits(I)I
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move-result v1
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.line 4
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sget-object v2, Lcom/google/android/exoplayer2/audio/DtsUtil;->CHANNELS_BY_AMODE:[I
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aget v1, v2, v1
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const/4 v2, 0x4
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.line 5
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invoke-virtual {v0, v2}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->readBits(I)I
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move-result v2
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.line 6
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sget-object v3, Lcom/google/android/exoplayer2/audio/DtsUtil;->SAMPLE_RATE_BY_SFREQ:[I
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aget v10, v3, v2
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const/4 v2, 0x5
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.line 7
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invoke-virtual {v0, v2}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->readBits(I)I
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move-result v2
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.line 8
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sget-object v3, Lcom/google/android/exoplayer2/audio/DtsUtil;->TWICE_BITRATE_KBPS_BY_RATE:[I
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array-length v4, v3
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const/4 v5, 0x2
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if-lt v2, v4, :cond_0
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const/4 v2, -0x1
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goto :goto_0
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:cond_0
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aget v2, v3, v2
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mul-int/lit16 v2, v2, 0x3e8
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div-int/2addr v2, v5
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:goto_0
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move v7, v2
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const/16 v2, 0xa
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.line 9
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invoke-virtual {v0, v2}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->skipBits(I)V
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.line 10
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invoke-virtual {v0, v5}, Lcom/google/android/exoplayer2/util/ParsableBitArray;->readBits(I)I
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move-result v0
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if-lez v0, :cond_1
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const/4 v0, 0x1
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goto :goto_1
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:cond_1
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const/4 v0, 0x0
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:goto_1
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add-int v9, v1, v0
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const/4 v6, 0x0
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const/4 v8, -0x1
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const/4 v11, 0x0
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const/4 v13, 0x0
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const-string v5, "audio/vnd.dts"
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move-object/from16 v4, p1
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move-object/from16 v12, p3
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move-object/from16 v14, p2
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.line 11
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invoke-static/range {v4 .. v14}, Lcom/google/android/exoplayer2/Format;->createAudioSampleFormat(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;IIIILjava/util/List;Lcom/google/android/exoplayer2/drm/DrmInitData;ILjava/lang/String;)Lcom/google/android/exoplayer2/Format;
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move-result-object v0
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return-object v0
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.end method
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