SilenceSkippingAudioProcessor.smali

.class public final Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;
.super Ljava/lang/Object;
.source "SilenceSkippingAudioProcessor.java"

# interfaces
.implements Lcom/google/android/exoplayer2/audio/AudioProcessor;


# annotations
.annotation system Ldalvik/annotation/MemberClasses;
    value = {
        Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor$State;
    }
.end annotation


# static fields
.field private static final MINIMUM_SILENCE_DURATION_US:J = 0x249f0L

.field private static final PADDING_SILENCE_US:J = 0x4e20L

.field private static final SILENCE_THRESHOLD_LEVEL:S = 0x400s

.field private static final SILENCE_THRESHOLD_LEVEL_MSB:B = 0x4t

.field private static final STATE_MAYBE_SILENT:I

.field private static final STATE_NOISY:I

.field private static final STATE_SILENT:I


# instance fields
.field private buffer:Ljava/nio/ByteBuffer;

.field private bytesPerFrame:I

.field private channelCount:I

.field private enabled:Z

.field private hasOutputNoise:Z

.field private inputEnded:Z

.field private maybeSilenceBuffer:[B

.field private maybeSilenceBufferSize:I

.field private outputBuffer:Ljava/nio/ByteBuffer;

.field private paddingBuffer:[B

.field private paddingSize:I

.field private sampleRateHz:I

.field private skippedFrames:J

.field private state:I


# direct methods
.method static constructor <clinit>()V
    .registers 1

    const v0, 0x156e

    invoke-static {v0}, Lnp/NPFog;->d(I)I

    move-result v0

    sput v0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->STATE_MAYBE_SILENT:I

    const v0, 0x156f

    invoke-static {v0}, Lnp/NPFog;->d(I)I

    move-result v0

    sput v0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->STATE_NOISY:I

    const v0, 0x156d

    invoke-static {v0}, Lnp/NPFog;->d(I)I

    move-result v0

    sput v0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->STATE_SILENT:I

    return-void
.end method

.method public constructor <init>()V
    .registers 2

    .line 103
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    .line 104
    sget-object v0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->EMPTY_BUFFER:Ljava/nio/ByteBuffer;

    iput-object v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->buffer:Ljava/nio/ByteBuffer;

    .line 105
    sget-object v0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->EMPTY_BUFFER:Ljava/nio/ByteBuffer;

    iput-object v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->outputBuffer:Ljava/nio/ByteBuffer;

    .line 106
    const/4 v0, -0x1

    iput v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->channelCount:I

    .line 107
    iput v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->sampleRateHz:I

    .line 108
    sget-object v0, Lcom/google/android/exoplayer2/util/Util;->EMPTY_BYTE_ARRAY:[B

    iput-object v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->maybeSilenceBuffer:[B

    .line 109
    sget-object v0, Lcom/google/android/exoplayer2/util/Util;->EMPTY_BYTE_ARRAY:[B

    iput-object v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->paddingBuffer:[B

    .line 110
    return-void
.end method

.method private durationUsToFrames(J)I
    .registers 7
    .param p1, "durationUs"    # J

    .line 383
    iget v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->sampleRateHz:I

    int-to-long v0, v0

    mul-long v0, v0, p1

    const-wide/32 v2, 0xf4240

    div-long/2addr v0, v2

    long-to-int v1, v0

    return v1
.end method

.method private findNoiseLimit(Ljava/nio/ByteBuffer;)I
    .registers 5
    .param p1, "buffer"    # Ljava/nio/ByteBuffer;

    .line 407
    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->limit()I

    move-result v0

    add-int/lit8 v0, v0, -0x1

    .local v0, "i":I
    :goto_6
    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->position()I

    move-result v1

    if-lt v0, v1, :cond_22

    .line 408
    invoke-virtual {p1, v0}, Ljava/nio/ByteBuffer;->get(I)B

    move-result v1

    invoke-static {v1}, Ljava/lang/Math;->abs(I)I

    move-result v1

    const/4 v2, 0x4

    if-le v1, v2, :cond_1f

    .line 410
    iget v1, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->bytesPerFrame:I

    div-int v2, v0, v1

    mul-int v2, v2, v1

    add-int/2addr v2, v1

    return v2

    .line 407
    :cond_1f
    add-int/lit8 v0, v0, -0x2

    goto :goto_6

    .line 413
    .end local v0    # "i":I
    :cond_22
    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->position()I

    move-result v0

    return v0
.end method

.method private findNoisePosition(Ljava/nio/ByteBuffer;)I
    .registers 5
    .param p1, "buffer"    # Ljava/nio/ByteBuffer;

    .line 392
    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->position()I

    move-result v0

    add-int/lit8 v0, v0, 0x1

    .local v0, "i":I
    :goto_6
    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->limit()I

    move-result v1

    if-ge v0, v1, :cond_21

    .line 393
    invoke-virtual {p1, v0}, Ljava/nio/ByteBuffer;->get(I)B

    move-result v1

    invoke-static {v1}, Ljava/lang/Math;->abs(I)I

    move-result v1

    const/4 v2, 0x4

    if-le v1, v2, :cond_1e

    .line 395
    iget v1, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->bytesPerFrame:I

    div-int v2, v0, v1

    mul-int v1, v1, v2

    return v1

    .line 392
    :cond_1e
    add-int/lit8 v0, v0, 0x2

    goto :goto_6

    .line 398
    .end local v0    # "i":I
    :cond_21
    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->limit()I

    move-result v0

    return v0
.end method

.method private output(Ljava/nio/ByteBuffer;)V
    .registers 3
    .param p1, "data"    # Ljava/nio/ByteBuffer;

    .line 343
    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->remaining()I

    move-result v0

    invoke-direct {p0, v0}, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->prepareForOutput(I)V

    .line 344
    iget-object v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->buffer:Ljava/nio/ByteBuffer;

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

    .line 345
    iget-object v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->buffer:Ljava/nio/ByteBuffer;

    invoke-virtual {v0}, Ljava/nio/ByteBuffer;->flip()Ljava/nio/Buffer;

    .line 346
    iget-object v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->buffer:Ljava/nio/ByteBuffer;

    iput-object v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->outputBuffer:Ljava/nio/ByteBuffer;

    .line 347
    return-void
.end method

.method private output([BI)V
    .registers 5
    .param p1, "data"    # [B
    .param p2, "length"    # I

    .line 333
    invoke-direct {p0, p2}, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->prepareForOutput(I)V

    .line 334
    iget-object v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->buffer:Ljava/nio/ByteBuffer;

    const/4 v1, 0x0

    invoke-virtual {v0, p1, v1, p2}, Ljava/nio/ByteBuffer;->put([BII)Ljava/nio/ByteBuffer;

    .line 335
    iget-object v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->buffer:Ljava/nio/ByteBuffer;

    invoke-virtual {v0}, Ljava/nio/ByteBuffer;->flip()Ljava/nio/Buffer;

    .line 336
    iget-object v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->buffer:Ljava/nio/ByteBuffer;

    iput-object v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->outputBuffer:Ljava/nio/ByteBuffer;

    .line 337
    return-void
.end method

.method private prepareForOutput(I)V
    .registers 4
    .param p1, "size"    # I

    .line 351
    iget-object v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->buffer:Ljava/nio/ByteBuffer;

    invoke-virtual {v0}, Ljava/nio/ByteBuffer;->capacity()I

    move-result v0

    if-ge v0, p1, :cond_17

    .line 352
    invoke-static {p1}, Ljava/nio/ByteBuffer;->allocateDirect(I)Ljava/nio/ByteBuffer;

    move-result-object v0

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

    move-result-object v1

    invoke-virtual {v0, v1}, Ljava/nio/ByteBuffer;->order(Ljava/nio/ByteOrder;)Ljava/nio/ByteBuffer;

    move-result-object v0

    iput-object v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->buffer:Ljava/nio/ByteBuffer;

    goto :goto_1c

    .line 354
    :cond_17
    iget-object v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->buffer:Ljava/nio/ByteBuffer;

    invoke-virtual {v0}, Ljava/nio/ByteBuffer;->clear()Ljava/nio/Buffer;

    .line 356
    :goto_1c
    if-lez p1, :cond_21

    .line 357
    const/4 v0, 0x1

    iput-boolean v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->hasOutputNoise:Z

    .line 359
    :cond_21
    return-void
.end method

.method private processMaybeSilence(Ljava/nio/ByteBuffer;)V
    .registers 14
    .param p1, "inputBuffer"    # Ljava/nio/ByteBuffer;

    .line 273
    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->limit()I

    move-result v0

    .line 274
    .local v0, "limit":I
    invoke-direct {p0, p1}, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->findNoisePosition(Ljava/nio/ByteBuffer;)I

    move-result v1

    .line 275
    .local v1, "noisePosition":I
    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->position()I

    move-result v2

    sub-int v2, v1, v2

    .line 276
    .local v2, "maybeSilenceInputSize":I
    iget-object v3, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->maybeSilenceBuffer:[B

    array-length v4, v3

    iget v5, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->maybeSilenceBufferSize:I

    sub-int/2addr v4, v5

    .line 277
    .local v4, "maybeSilenceBufferRemaining":I
    const/4 v6, 0x0

    if-ge v1, v0, :cond_21

    if-ge v2, v4, :cond_21

    .line 279
    invoke-direct {p0, v3, v5}, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->output([BI)V

    .line 280
    iput v6, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->maybeSilenceBufferSize:I

    .line 281
    iput v6, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->state:I

    goto :goto_73

    .line 284
    :cond_21
    invoke-static {v2, v4}, Ljava/lang/Math;->min(II)I

    move-result v3

    .line 285
    .local v3, "bytesToWrite":I
    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->position()I

    move-result v5

    add-int/2addr v5, v3

    invoke-virtual {p1, v5}, Ljava/nio/ByteBuffer;->limit(I)Ljava/nio/Buffer;

    .line 286
    iget-object v5, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->maybeSilenceBuffer:[B

    iget v7, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->maybeSilenceBufferSize:I

    invoke-virtual {p1, v5, v7, v3}, Ljava/nio/ByteBuffer;->get([BII)Ljava/nio/ByteBuffer;

    .line 287
    iget v5, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->maybeSilenceBufferSize:I

    add-int/2addr v5, v3

    iput v5, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->maybeSilenceBufferSize:I

    .line 288
    iget-object v7, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->maybeSilenceBuffer:[B

    array-length v8, v7

    if-ne v5, v8, :cond_70

    .line 291
    iget-boolean v8, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->hasOutputNoise:Z

    const/4 v9, 0x2

    if-eqz v8, :cond_59

    .line 292
    iget v5, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->paddingSize:I

    invoke-direct {p0, v7, v5}, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->output([BI)V

    .line 293
    iget-wide v7, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->skippedFrames:J

    iget v5, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->maybeSilenceBufferSize:I

    iget v10, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->paddingSize:I

    mul-int/lit8 v10, v10, 0x2

    sub-int/2addr v5, v10

    iget v10, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->bytesPerFrame:I

    div-int/2addr v5, v10

    int-to-long v10, v5

    add-long/2addr v7, v10

    iput-wide v7, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->skippedFrames:J

    goto :goto_65

    .line 295
    :cond_59
    iget-wide v7, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->skippedFrames:J

    iget v10, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->paddingSize:I

    sub-int/2addr v5, v10

    iget v10, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->bytesPerFrame:I

    div-int/2addr v5, v10

    int-to-long v10, v5

    add-long/2addr v7, v10

    iput-wide v7, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->skippedFrames:J

    .line 297
    :goto_65
    iget-object v5, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->maybeSilenceBuffer:[B

    iget v7, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->maybeSilenceBufferSize:I

    invoke-direct {p0, p1, v5, v7}, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->updatePaddingBuffer(Ljava/nio/ByteBuffer;[BI)V

    .line 298
    iput v6, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->maybeSilenceBufferSize:I

    .line 299
    iput v9, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->state:I

    .line 303
    :cond_70
    invoke-virtual {p1, v0}, Ljava/nio/ByteBuffer;->limit(I)Ljava/nio/Buffer;

    .line 305
    .end local v3    # "bytesToWrite":I
    :goto_73
    return-void
.end method

.method private processNoisy(Ljava/nio/ByteBuffer;)V
    .registers 5
    .param p1, "inputBuffer"    # Ljava/nio/ByteBuffer;

    .line 251
    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->limit()I

    move-result v0

    .line 254
    .local v0, "limit":I
    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->position()I

    move-result v1

    iget-object v2, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->maybeSilenceBuffer:[B

    array-length v2, v2

    add-int/2addr v1, v2

    invoke-static {v0, v1}, Ljava/lang/Math;->min(II)I

    move-result v1

    invoke-virtual {p1, v1}, Ljava/nio/ByteBuffer;->limit(I)Ljava/nio/Buffer;

    .line 255
    invoke-direct {p0, p1}, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->findNoiseLimit(Ljava/nio/ByteBuffer;)I

    move-result v1

    .line 256
    .local v1, "noiseLimit":I
    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->position()I

    move-result v2

    if-ne v1, v2, :cond_21

    .line 258
    const/4 v2, 0x1

    iput v2, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->state:I

    goto :goto_27

    .line 260
    :cond_21
    invoke-virtual {p1, v1}, Ljava/nio/ByteBuffer;->limit(I)Ljava/nio/Buffer;

    .line 261
    invoke-direct {p0, p1}, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->output(Ljava/nio/ByteBuffer;)V

    .line 265
    :goto_27
    invoke-virtual {p1, v0}, Ljava/nio/ByteBuffer;->limit(I)Ljava/nio/Buffer;

    .line 266
    return-void
.end method

.method private processSilence(Ljava/nio/ByteBuffer;)V
    .registers 8
    .param p1, "inputBuffer"    # Ljava/nio/ByteBuffer;

    .line 312
    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->limit()I

    move-result v0

    .line 313
    .local v0, "limit":I
    invoke-direct {p0, p1}, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->findNoisePosition(Ljava/nio/ByteBuffer;)I

    move-result v1

    .line 314
    .local v1, "noisyPosition":I
    invoke-virtual {p1, v1}, Ljava/nio/ByteBuffer;->limit(I)Ljava/nio/Buffer;

    .line 315
    iget-wide v2, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->skippedFrames:J

    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->remaining()I

    move-result v4

    iget v5, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->bytesPerFrame:I

    div-int/2addr v4, v5

    int-to-long v4, v4

    add-long/2addr v2, v4

    iput-wide v2, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->skippedFrames:J

    .line 316
    iget-object v2, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->paddingBuffer:[B

    iget v3, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->paddingSize:I

    invoke-direct {p0, p1, v2, v3}, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->updatePaddingBuffer(Ljava/nio/ByteBuffer;[BI)V

    .line 317
    if-ge v1, v0, :cond_2e

    .line 320
    iget-object v2, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->paddingBuffer:[B

    iget v3, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->paddingSize:I

    invoke-direct {p0, v2, v3}, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->output([BI)V

    .line 321
    const/4 v2, 0x0

    iput v2, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->state:I

    .line 324
    invoke-virtual {p1, v0}, Ljava/nio/ByteBuffer;->limit(I)Ljava/nio/Buffer;

    .line 326
    :cond_2e
    return-void
.end method

.method private updatePaddingBuffer(Ljava/nio/ByteBuffer;[BI)V
    .registers 9
    .param p1, "input"    # Ljava/nio/ByteBuffer;
    .param p2, "buffer"    # [B
    .param p3, "size"    # I

    .line 367
    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->remaining()I

    move-result v0

    iget v1, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->paddingSize:I

    invoke-static {v0, v1}, Ljava/lang/Math;->min(II)I

    move-result v0

    .line 368
    .local v0, "fromInputSize":I
    iget v1, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->paddingSize:I

    sub-int/2addr v1, v0

    .line 369
    .local v1, "fromBufferSize":I
    sub-int v2, p3, v1

    iget-object v3, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->paddingBuffer:[B

    const/4 v4, 0x0

    invoke-static {p2, v2, v3, v4, v1}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 375
    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->limit()I

    move-result v2

    sub-int/2addr v2, v0

    invoke-virtual {p1, v2}, Ljava/nio/ByteBuffer;->position(I)Ljava/nio/Buffer;

    .line 376
    iget-object v2, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->paddingBuffer:[B

    invoke-virtual {p1, v2, v1, v0}, Ljava/nio/ByteBuffer;->get([BII)Ljava/nio/ByteBuffer;

    .line 377
    return-void
.end method


# virtual methods
.method public configure(III)Z
    .registers 5
    .param p1, "sampleRateHz"    # I
    .param p2, "channelCount"    # I
    .param p3, "encoding"    # I
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Lcom/google/android/exoplayer2/audio/AudioProcessor$UnhandledFormatException;
        }
    .end annotation

    .line 136
    const/4 v0, 0x2

    if-ne p3, v0, :cond_17

    .line 139
    iget v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->sampleRateHz:I

    if-ne v0, p1, :cond_d

    iget v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->channelCount:I

    if-ne v0, p2, :cond_d

    .line 140
    const/4 v0, 0x0

    return v0

    .line 142
    :cond_d
    iput p1, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->sampleRateHz:I

    .line 143
    iput p2, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->channelCount:I

    .line 144
    mul-int/lit8 v0, p2, 0x2

    iput v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->bytesPerFrame:I

    .line 145
    const/4 v0, 0x1

    return v0

    .line 137
    :cond_17
    new-instance v0, Lcom/google/android/exoplayer2/audio/AudioProcessor$UnhandledFormatException;

    invoke-direct {v0, p1, p2, p3}, Lcom/google/android/exoplayer2/audio/AudioProcessor$UnhandledFormatException;-><init>(III)V

    throw v0
.end method

.method public flush()V
    .registers 4

    .line 214
    invoke-virtual {p0}, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->isActive()Z

    move-result v0

    if-eqz v0, :cond_2f

    .line 215
    const-wide/32 v0, 0x249f0

    invoke-direct {p0, v0, v1}, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->durationUsToFrames(J)I

    move-result v0

    iget v1, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->bytesPerFrame:I

    mul-int v0, v0, v1

    .line 216
    .local v0, "maybeSilenceBufferSize":I
    iget-object v1, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->maybeSilenceBuffer:[B

    array-length v1, v1

    if-eq v1, v0, :cond_1a

    .line 217
    new-array v1, v0, [B

    iput-object v1, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->maybeSilenceBuffer:[B

    .line 219
    :cond_1a
    const-wide/16 v1, 0x4e20

    invoke-direct {p0, v1, v2}, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->durationUsToFrames(J)I

    move-result v1

    iget v2, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->bytesPerFrame:I

    mul-int v1, v1, v2

    iput v1, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->paddingSize:I

    .line 220
    iget-object v2, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->paddingBuffer:[B

    array-length v2, v2

    if-eq v2, v1, :cond_2f

    .line 221
    new-array v1, v1, [B

    iput-object v1, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->paddingBuffer:[B

    .line 224
    .end local v0    # "maybeSilenceBufferSize":I
    :cond_2f
    const/4 v0, 0x0

    iput v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->state:I

    .line 225
    sget-object v1, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->EMPTY_BUFFER:Ljava/nio/ByteBuffer;

    iput-object v1, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->outputBuffer:Ljava/nio/ByteBuffer;

    .line 226
    iput-boolean v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->inputEnded:Z

    .line 227
    const-wide/16 v1, 0x0

    iput-wide v1, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->skippedFrames:J

    .line 228
    iput v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->maybeSilenceBufferSize:I

    .line 229
    iput-boolean v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->hasOutputNoise:Z

    .line 230
    return-void
.end method

.method public getOutput()Ljava/nio/ByteBuffer;
    .registers 3

    .line 201
    iget-object v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->outputBuffer:Ljava/nio/ByteBuffer;

    .line 202
    .local v0, "outputBuffer":Ljava/nio/ByteBuffer;
    sget-object v1, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->EMPTY_BUFFER:Ljava/nio/ByteBuffer;

    iput-object v1, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->outputBuffer:Ljava/nio/ByteBuffer;

    .line 203
    return-object v0
.end method

.method public getOutputChannelCount()I
    .registers 2

    .line 155
    iget v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->channelCount:I

    return v0
.end method

.method public getOutputEncoding()I
    .registers 2

    .line 160
    const/4 v0, 0x2

    return v0
.end method

.method public getOutputSampleRateHz()I
    .registers 2

    .line 165
    iget v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->sampleRateHz:I

    return v0
.end method

.method public getSkippedFrames()J
    .registers 3

    .line 128
    iget-wide v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->skippedFrames:J

    return-wide v0
.end method

.method public isActive()Z
    .registers 3

    .line 150
    iget v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->sampleRateHz:I

    const/4 v1, -0x1

    if-eq v0, v1, :cond_b

    iget-boolean v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->enabled:Z

    if-eqz v0, :cond_b

    const/4 v0, 0x1

    goto :goto_c

    :cond_b
    const/4 v0, 0x0

    :goto_c
    return v0
.end method

.method public isEnded()Z
    .registers 3

    .line 209
    iget-boolean v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->inputEnded:Z

    if-eqz v0, :cond_c

    iget-object v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->outputBuffer:Ljava/nio/ByteBuffer;

    sget-object v1, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->EMPTY_BUFFER:Ljava/nio/ByteBuffer;

    if-ne v0, v1, :cond_c

    const/4 v0, 0x1

    goto :goto_d

    :cond_c
    const/4 v0, 0x0

    :goto_d
    return v0
.end method

.method public queueEndOfStream()V
    .registers 5

    .line 189
    const/4 v0, 0x1

    iput-boolean v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->inputEnded:Z

    .line 190
    iget v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->maybeSilenceBufferSize:I

    if-lez v0, :cond_c

    .line 192
    iget-object v1, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->maybeSilenceBuffer:[B

    invoke-direct {p0, v1, v0}, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->output([BI)V

    .line 194
    :cond_c
    iget-boolean v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->hasOutputNoise:Z

    if-nez v0, :cond_1b

    .line 195
    iget-wide v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->skippedFrames:J

    iget v2, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->paddingSize:I

    iget v3, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->bytesPerFrame:I

    div-int/2addr v2, v3

    int-to-long v2, v2

    add-long/2addr v0, v2

    iput-wide v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->skippedFrames:J

    .line 197
    :cond_1b
    return-void
.end method

.method public queueInput(Ljava/nio/ByteBuffer;)V
    .registers 4
    .param p1, "inputBuffer"    # Ljava/nio/ByteBuffer;

    .line 170
    :goto_0
    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->hasRemaining()Z

    move-result v0

    if-eqz v0, :cond_2a

    iget-object v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->outputBuffer:Ljava/nio/ByteBuffer;

    invoke-virtual {v0}, Ljava/nio/ByteBuffer;->hasRemaining()Z

    move-result v0

    if-nez v0, :cond_2a

    .line 171
    iget v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->state:I

    if-eqz v0, :cond_26

    const/4 v1, 0x1

    if-eq v0, v1, :cond_22

    const/4 v1, 0x2

    if-ne v0, v1, :cond_1c

    .line 179
    invoke-direct {p0, p1}, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->processSilence(Ljava/nio/ByteBuffer;)V

    .line 180
    goto :goto_0

    .line 182
    :cond_1c
    new-instance v0, Ljava/lang/IllegalStateException;

    invoke-direct {v0}, Ljava/lang/IllegalStateException;-><init>()V

    throw v0

    .line 176
    :cond_22
    invoke-direct {p0, p1}, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->processMaybeSilence(Ljava/nio/ByteBuffer;)V

    .line 177
    goto :goto_0

    .line 173
    :cond_26
    invoke-direct {p0, p1}, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->processNoisy(Ljava/nio/ByteBuffer;)V

    .line 174
    goto :goto_0

    .line 185
    :cond_2a
    return-void
.end method

.method public reset()V
    .registers 3

    .line 234
    const/4 v0, 0x0

    iput-boolean v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->enabled:Z

    .line 235
    invoke-virtual {p0}, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->flush()V

    .line 236
    sget-object v1, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->EMPTY_BUFFER:Ljava/nio/ByteBuffer;

    iput-object v1, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->buffer:Ljava/nio/ByteBuffer;

    .line 237
    const/4 v1, -0x1

    iput v1, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->channelCount:I

    .line 238
    iput v1, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->sampleRateHz:I

    .line 239
    iput v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->paddingSize:I

    .line 240
    sget-object v0, Lcom/google/android/exoplayer2/util/Util;->EMPTY_BYTE_ARRAY:[B

    iput-object v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->maybeSilenceBuffer:[B

    .line 241
    sget-object v0, Lcom/google/android/exoplayer2/util/Util;->EMPTY_BYTE_ARRAY:[B

    iput-object v0, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->paddingBuffer:[B

    .line 242
    return-void
.end method

.method public setEnabled(Z)V
    .registers 2
    .param p1, "enabled"    # Z

    .line 119
    iput-boolean p1, p0, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->enabled:Z

    .line 120
    invoke-virtual {p0}, Lcom/google/android/exoplayer2/audio/SilenceSkippingAudioProcessor;->flush()V

    .line 121
    return-void
.end method