AudioUtil.smali

.class public Lcn/rongcloud/rtc/utils/AudioUtil;
.super Ljava/lang/Object;
.source "AudioUtil.java"


# static fields
.field private static final KEY_PCM_ENCODING:Ljava/lang/String; = "pcm-encoding"

.field private static dBConvert:F = 0.0f

.field private static dBPerStep:F = 0.25f


# direct methods
.method static constructor <clinit>()V
    .registers 2

    .line 1
    sget v0, Lcn/rongcloud/rtc/utils/AudioUtil;->dBPerStep:F

    neg-float v0, v0

    const/high16 v1, 0x41a00000    # 20.0f

    div-float/2addr v0, v1

    sput v0, Lcn/rongcloud/rtc/utils/AudioUtil;->dBConvert:F

    return-void
.end method

.method private constructor <init>()V
    .registers 1

    .line 1
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    return-void
.end method

.method public static adjustVolumeAsByte(Ljava/nio/ByteBuffer;F)V
    .registers 6

    const/4 v0, 0x0

    .line 4
    :goto_1
    invoke-virtual {p0}, Ljava/nio/ByteBuffer;->capacity()I

    move-result v1

    if-ge v0, v1, :cond_22

    const/high16 v1, -0x3d000000    # -128.0f

    const/high16 v2, 0x42fe0000    # 127.0f

    .line 5
    invoke-virtual {p0, v0}, Ljava/nio/ByteBuffer;->get(I)B

    move-result v3

    int-to-float v3, v3

    mul-float v3, v3, p1

    invoke-static {v2, v3}, Ljava/lang/Math;->min(FF)F

    move-result v2

    invoke-static {v1, v2}, Ljava/lang/Math;->max(FF)F

    move-result v1

    float-to-int v1, v1

    int-to-byte v1, v1

    invoke-virtual {p0, v0, v1}, Ljava/nio/ByteBuffer;->put(IB)Ljava/nio/ByteBuffer;

    add-int/lit8 v0, v0, 0x1

    goto :goto_1

    :cond_22
    return-void
.end method

.method public static adjustVolumeAsByte([BF)V
    .registers 6

    .line 1
    invoke-static {p0}, Ljava/nio/ByteBuffer;->wrap([B)Ljava/nio/ByteBuffer;

    move-result-object p0

    const/4 v0, 0x0

    .line 2
    :goto_5
    invoke-virtual {p0}, Ljava/nio/ByteBuffer;->capacity()I

    move-result v1

    if-ge v0, v1, :cond_26

    const/high16 v1, -0x3d000000    # -128.0f

    const/high16 v2, 0x42fe0000    # 127.0f

    .line 3
    invoke-virtual {p0, v0}, Ljava/nio/ByteBuffer;->get(I)B

    move-result v3

    int-to-float v3, v3

    mul-float v3, v3, p1

    invoke-static {v2, v3}, Ljava/lang/Math;->min(FF)F

    move-result v2

    invoke-static {v1, v2}, Ljava/lang/Math;->max(FF)F

    move-result v1

    float-to-int v1, v1

    int-to-byte v1, v1

    invoke-virtual {p0, v0, v1}, Ljava/nio/ByteBuffer;->put(IB)Ljava/nio/ByteBuffer;

    add-int/lit8 v0, v0, 0x1

    goto :goto_5

    :cond_26
    return-void
.end method

.method public static adjustVolumeAsShort(Ljava/nio/ByteBuffer;F)V
    .registers 6

    const/4 v0, 0x0

    .line 4
    invoke-virtual {p0, v0}, Ljava/nio/ByteBuffer;->position(I)Ljava/nio/Buffer;

    .line 5
    invoke-virtual {p0}, Ljava/nio/ByteBuffer;->capacity()I

    move-result v1

    invoke-virtual {p0, v1}, Ljava/nio/ByteBuffer;->limit(I)Ljava/nio/Buffer;

    .line 6
    invoke-static {}, Ljava/nio/ByteOrder;->nativeOrder()Ljava/nio/ByteOrder;

    move-result-object v1

    invoke-virtual {p0, v1}, Ljava/nio/ByteBuffer;->order(Ljava/nio/ByteOrder;)Ljava/nio/ByteBuffer;

    move-result-object p0

    invoke-virtual {p0}, Ljava/nio/ByteBuffer;->asShortBuffer()Ljava/nio/ShortBuffer;

    move-result-object p0

    .line 7
    :goto_17
    invoke-virtual {p0}, Ljava/nio/ShortBuffer;->capacity()I

    move-result v1

    if-ge v0, v1, :cond_39

    const/high16 v1, -0x39000000    # -32768.0f

    const v2, 0x46fffe00    # 32767.0f

    .line 8
    invoke-virtual {p0, v0}, Ljava/nio/ShortBuffer;->get(I)S

    move-result v3

    int-to-float v3, v3

    mul-float v3, v3, p1

    invoke-static {v2, v3}, Ljava/lang/Math;->min(FF)F

    move-result v2

    invoke-static {v1, v2}, Ljava/lang/Math;->max(FF)F

    move-result v1

    float-to-int v1, v1

    int-to-short v1, v1

    invoke-virtual {p0, v0, v1}, Ljava/nio/ShortBuffer;->put(IS)Ljava/nio/ShortBuffer;

    add-int/lit8 v0, v0, 0x1

    goto :goto_17

    :cond_39
    return-void
.end method

.method public static adjustVolumeAsShort([BF)V
    .registers 6

    .line 1
    invoke-static {p0}, Ljava/nio/ByteBuffer;->wrap([B)Ljava/nio/ByteBuffer;

    move-result-object p0

    invoke-static {}, Ljava/nio/ByteOrder;->nativeOrder()Ljava/nio/ByteOrder;

    move-result-object v0

    invoke-virtual {p0, v0}, Ljava/nio/ByteBuffer;->order(Ljava/nio/ByteOrder;)Ljava/nio/ByteBuffer;

    move-result-object p0

    invoke-virtual {p0}, Ljava/nio/ByteBuffer;->asShortBuffer()Ljava/nio/ShortBuffer;

    move-result-object p0

    const/4 v0, 0x0

    .line 2
    :goto_11
    invoke-virtual {p0}, Ljava/nio/ShortBuffer;->capacity()I

    move-result v1

    if-ge v0, v1, :cond_33

    const/high16 v1, -0x39000000    # -32768.0f

    const v2, 0x46fffe00    # 32767.0f

    .line 3
    invoke-virtual {p0, v0}, Ljava/nio/ShortBuffer;->get(I)S

    move-result v3

    int-to-float v3, v3

    mul-float v3, v3, p1

    invoke-static {v2, v3}, Ljava/lang/Math;->min(FF)F

    move-result v2

    invoke-static {v1, v2}, Ljava/lang/Math;->max(FF)F

    move-result v1

    float-to-int v1, v1

    int-to-short v1, v1

    invoke-virtual {p0, v0, v1}, Ljava/nio/ShortBuffer;->put(IS)Ljava/nio/ShortBuffer;

    add-int/lit8 v0, v0, 0x1

    goto :goto_11

    :cond_33
    return-void
.end method

.method public static append([BFLjava/nio/ByteBuffer;)V
    .registers 6

    const/4 v0, 0x0

    .line 1
    invoke-virtual {p2, v0}, Ljava/nio/ByteBuffer;->position(I)Ljava/nio/Buffer;

    .line 2
    invoke-virtual {p2}, Ljava/nio/ByteBuffer;->capacity()I

    move-result v1

    invoke-virtual {p2, v1}, Ljava/nio/ByteBuffer;->limit(I)Ljava/nio/Buffer;

    .line 3
    invoke-static {p0}, Ljava/nio/ByteBuffer;->wrap([B)Ljava/nio/ByteBuffer;

    move-result-object p0

    invoke-static {}, Ljava/nio/ByteOrder;->nativeOrder()Ljava/nio/ByteOrder;

    move-result-object v1

    invoke-virtual {p0, v1}, Ljava/nio/ByteBuffer;->order(Ljava/nio/ByteOrder;)Ljava/nio/ByteBuffer;

    move-result-object p0

    invoke-virtual {p0}, Ljava/nio/ByteBuffer;->asShortBuffer()Ljava/nio/ShortBuffer;

    move-result-object p0

    .line 4
    invoke-static {}, Ljava/nio/ByteOrder;->nativeOrder()Ljava/nio/ByteOrder;

    move-result-object v1

    invoke-virtual {p2, v1}, Ljava/nio/ByteBuffer;->order(Ljava/nio/ByteOrder;)Ljava/nio/ByteBuffer;

    move-result-object p2

    invoke-virtual {p2}, Ljava/nio/ByteBuffer;->asShortBuffer()Ljava/nio/ShortBuffer;

    move-result-object p2

    .line 5
    :goto_27
    invoke-virtual {p0}, Ljava/nio/ShortBuffer;->capacity()I

    move-result v1

    if-ge v0, v1, :cond_42

    .line 6
    invoke-virtual {p0, v0}, Ljava/nio/ShortBuffer;->get(I)S

    move-result v1

    int-to-float v1, v1

    mul-float v1, v1, p1

    invoke-virtual {p2, v0}, Ljava/nio/ShortBuffer;->get(I)S

    move-result v2

    int-to-float v2, v2

    add-float/2addr v1, v2

    float-to-int v1, v1

    int-to-short v1, v1

    invoke-virtual {p2, v0, v1}, Ljava/nio/ShortBuffer;->put(IS)Ljava/nio/ShortBuffer;

    add-int/lit8 v0, v0, 0x1

    goto :goto_27

    :cond_42
    return-void
.end method

.method public static bytesPerSample(I)I
    .registers 4

    const/4 v0, 0x2

    if-eq p0, v0, :cond_23

    const/4 v0, 0x3

    if-eq p0, v0, :cond_21

    const/4 v0, 0x4

    if-ne p0, v0, :cond_a

    return v0

    .line 1
    :cond_a
    new-instance v0, Ljava/lang/IllegalArgumentException;

    new-instance v1, Ljava/lang/StringBuilder;

    invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V

    const-string v2, "not supported audio format: "

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    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}, Ljava/lang/IllegalArgumentException;-><init>(Ljava/lang/String;)V

    throw v0

    :cond_21
    const/4 p0, 0x1

    return p0

    :cond_23
    return v0
.end method

.method public static createAudioTrack(IIII)Landroid/media/AudioTrack;
    .registers 11

    const/4 v0, 0x1

    if-ne p1, v0, :cond_6

    const/4 p1, 0x4

    const/4 v3, 0x4

    goto :goto_a

    :cond_6
    const/16 p1, 0xc

    const/16 v3, 0xc

    .line 1
    :goto_a
    invoke-static {p0, v3, p2}, Landroid/media/AudioTrack;->getMinBufferSize(III)I

    move-result v5

    .line 2
    new-instance p1, Landroid/media/AudioTrack;

    const/4 v6, 0x1

    move-object v0, p1

    move v1, p3

    move v2, p0

    move v4, p2

    invoke-direct/range {v0 .. v6}, Landroid/media/AudioTrack;-><init>(IIIIII)V

    .line 3
    :try_start_18
    invoke-virtual {p1}, Landroid/media/AudioTrack;->play()V
    :try_end_1b
    .catch Ljava/lang/IllegalStateException; {:try_start_18 .. :try_end_1b} :catch_1c

    return-object p1

    :catch_1c
    move-exception p0

    .line 4
    invoke-virtual {p0}, Ljava/lang/IllegalStateException;->printStackTrace()V

    const/4 p0, 0x0

    return-object p0
.end method

.method public static createAudioTrack(Landroid/media/MediaFormat;I)Landroid/media/AudioTrack;
    .registers 7

    if-eqz p0, :cond_2d

    const-string v0, "sample-rate"

    .line 5
    invoke-virtual {p0, v0}, Landroid/media/MediaFormat;->containsKey(Ljava/lang/String;)Z

    move-result v1

    if-eqz v1, :cond_2d

    const-string v1, "channel-count"

    .line 6
    invoke-virtual {p0, v1}, Landroid/media/MediaFormat;->containsKey(Ljava/lang/String;)Z

    move-result v2

    if-nez v2, :cond_13

    goto :goto_2d

    .line 7
    :cond_13
    invoke-virtual {p0, v0}, Landroid/media/MediaFormat;->getInteger(Ljava/lang/String;)I

    move-result v0

    .line 8
    invoke-virtual {p0, v1}, Landroid/media/MediaFormat;->getInteger(Ljava/lang/String;)I

    move-result v1

    const/4 v2, 0x2

    const-string v3, "pcm-encoding"

    .line 9
    invoke-virtual {p0, v3}, Landroid/media/MediaFormat;->containsKey(Ljava/lang/String;)Z

    move-result v4

    if-eqz v4, :cond_28

    .line 10
    invoke-virtual {p0, v3}, Landroid/media/MediaFormat;->getInteger(Ljava/lang/String;)I

    move-result v2

    .line 11
    :cond_28
    invoke-static {v0, v1, v2, p1}, Lcn/rongcloud/rtc/utils/AudioUtil;->createAudioTrack(IIII)Landroid/media/AudioTrack;

    move-result-object p0

    return-object p0

    :cond_2d
    :goto_2d
    const/4 p0, 0x0

    return-object p0
.end method

.method public static durationOfMediaFile(Ljava/lang/String;)I
    .registers 2

    .line 1
    :try_start_0
    new-instance v0, Landroid/media/MediaPlayer;

    invoke-direct {v0}, Landroid/media/MediaPlayer;-><init>()V

    .line 2
    invoke-virtual {v0, p0}, Landroid/media/MediaPlayer;->setDataSource(Ljava/lang/String;)V

    .line 3
    invoke-virtual {v0}, Landroid/media/MediaPlayer;->prepare()V

    .line 4
    invoke-virtual {v0}, Landroid/media/MediaPlayer;->getDuration()I

    move-result p0
    :try_end_f
    .catch Ljava/io/IOException; {:try_start_0 .. :try_end_f} :catch_10

    return p0

    :catch_10
    const/4 p0, -0x1

    return p0
.end method

.method public static linearToLog(I)F
    .registers 5

    if-nez p0, :cond_4

    const/4 p0, 0x0

    goto :goto_13

    :cond_4
    const-wide/high16 v0, 0x4024000000000000L    # 10.0

    .line 1
    sget v2, Lcn/rongcloud/rtc/utils/AudioUtil;->dBConvert:F

    rsub-int/lit8 p0, p0, 0x64

    int-to-float p0, p0

    mul-float v2, v2, p0

    float-to-double v2, v2

    invoke-static {v0, v1, v2, v3}, Ljava/lang/Math;->pow(DD)D

    move-result-wide v0

    double-to-float p0, v0

    :goto_13
    return p0
.end method

.method public static mixAsByte([BLjava/nio/ByteBuffer;)V
    .registers 5

    const/4 v0, 0x0

    .line 1
    :goto_1
    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->capacity()I

    move-result v1

    if-ge v0, v1, :cond_17

    .line 2
    invoke-virtual {p1, v0}, Ljava/nio/ByteBuffer;->get(I)B

    move-result v1

    aget-byte v2, p0, v0

    add-int/2addr v1, v2

    div-int/lit8 v1, v1, 0x2

    int-to-byte v1, v1

    invoke-virtual {p1, v0, v1}, Ljava/nio/ByteBuffer;->put(IB)Ljava/nio/