ChannelMappingAudioProcessor.smali

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

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


# instance fields
.field private active:Z

.field private buffer:Ljava/nio/ByteBuffer;

.field private channelCount:I

.field private inputEnded:Z

.field private outputBuffer:Ljava/nio/ByteBuffer;

.field private outputChannels:[I

.field private pendingOutputChannels:[I

.field private sampleRateHz:I


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

    return-void
.end method

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

    .line 44
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    .line 45
    sget-object v0, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->EMPTY_BUFFER:Ljava/nio/ByteBuffer;

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

    .line 46
    sget-object v0, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->EMPTY_BUFFER:Ljava/nio/ByteBuffer;

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

    .line 47
    const/4 v0, -0x1

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

    .line 48
    iput v0, p0, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->sampleRateHz:I

    .line 49
    return-void
.end method


# virtual methods
.method public configure(III)Z
    .registers 11
    .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 66
    iget-object v0, p0, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->pendingOutputChannels:[I

    iget-object v1, p0, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->outputChannels:[I

    invoke-static {v0, v1}, Ljava/util/Arrays;->equals([I[I)Z

    move-result v0

    const/4 v1, 0x1

    xor-int/2addr v0, v1

    .line 67
    .local v0, "outputChannelsChanged":Z
    iget-object v2, p0, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->pendingOutputChannels:[I

    iput-object v2, p0, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->outputChannels:[I

    .line 68
    const/4 v3, 0x0

    if-nez v2, :cond_14

    .line 69
    iput-boolean v3, p0, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->active:Z

    .line 70
    return v0

    .line 72
    :cond_14
    const/4 v2, 0x2

    if-ne p3, v2, :cond_4e

    .line 75
    if-nez v0, :cond_22

    iget v2, p0, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->sampleRateHz:I

    if-ne v2, p1, :cond_22

    iget v2, p0, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->channelCount:I

    if-ne v2, p2, :cond_22

    .line 77
    return v3

    .line 79
    :cond_22
    iput p1, p0, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->sampleRateHz:I

    .line 80
    iput p2, p0, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->channelCount:I

    .line 82
    iget-object v2, p0, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->outputChannels:[I

    array-length v2, v2

    if-eq p2, v2, :cond_2d

    const/4 v2, 0x1

    goto :goto_2e

    :cond_2d
    const/4 v2, 0x0

    :goto_2e
    iput-boolean v2, p0, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->active:Z

    .line 83
    const/4 v2, 0x0

    .local v2, "i":I
    :goto_31
    iget-object v4, p0, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->outputChannels:[I

    array-length v5, v4

    if-ge v2, v5, :cond_4d

    .line 84
    aget v4, v4, v2

    .line 85
    .local v4, "channelIndex":I
    if-ge v4, p2, :cond_47

    .line 88
    iget-boolean v5, p0, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->active:Z

    if-eq v4, v2, :cond_40

    const/4 v6, 0x1

    goto :goto_41

    :cond_40
    const/4 v6, 0x0

    :goto_41
    or-int/2addr v5, v6

    iput-boolean v5, p0, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->active:Z

    .line 83
    .end local v4    # "channelIndex":I
    add-int/lit8 v2, v2, 0x1

    goto :goto_31

    .line 86
    .restart local v4    # "channelIndex":I
    :cond_47
    new-instance v1, Lcom/google/android/exoplayer2/audio/AudioProcessor$UnhandledFormatException;

    invoke-direct {v1, p1, p2, p3}, Lcom/google/android/exoplayer2/audio/AudioProcessor$UnhandledFormatException;-><init>(III)V

    throw v1

    .line 90
    .end local v2    # "i":I
    .end local v4    # "channelIndex":I
    :cond_4d
    return v1

    .line 73
    :cond_4e
    new-instance v1, Lcom/google/android/exoplayer2/audio/AudioProcessor$UnhandledFormatException;

    invoke-direct {v1, p1, p2, p3}, Lcom/google/android/exoplayer2/audio/AudioProcessor$UnhandledFormatException;-><init>(III)V

    goto :goto_55

    :goto_54
    throw v1

    :goto_55
    goto :goto_54
.end method

.method public flush()V
    .registers 2

    .line 156
    sget-object v0, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->EMPTY_BUFFER:Ljava/nio/ByteBuffer;

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

    .line 157
    const/4 v0, 0x0

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

    .line 158
    return-void
.end method

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

    .line 143
    iget-object v0, p0, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->outputBuffer:Ljava/nio/ByteBuffer;

    .line 144
    .local v0, "outputBuffer":Ljava/nio/ByteBuffer;
    sget-object v1, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->EMPTY_BUFFER:Ljava/nio/ByteBuffer;

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

    .line 145
    return-object v0
.end method

.method public getOutputChannelCount()I
    .registers 2

    .line 100
    iget-object v0, p0, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->outputChannels:[I

    if-nez v0, :cond_7

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

    goto :goto_8

    :cond_7
    array-length v0, v0

    :goto_8
    return v0
.end method

.method public getOutputEncoding()I
    .registers 2

    .line 105
    const/4 v0, 0x2

    return v0
.end method

.method public getOutputSampleRateHz()I
    .registers 2

    .line 110
    iget v0, p0, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->sampleRateHz:I

    return v0
.end method

.method public isActive()Z
    .registers 2

    .line 95
    iget-boolean v0, p0, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->active:Z

    return v0
.end method

.method public isEnded()Z
    .registers 3

    .line 151
    iget-boolean v0, p0, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->inputEnded:Z

    if-eqz v0, :cond_c

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

    sget-object v1, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->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 2

    .line 138
    const/4 v0, 0x1

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

    .line 139
    return-void
.end method

.method public queueInput(Ljava/nio/ByteBuffer;)V
    .registers 13
    .param p1, "inputBuffer"    # Ljava/nio/ByteBuffer;

    .line 115
    iget-object v0, p0, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->outputChannels:[I

    const/4 v1, 0x0

    if-eqz v0, :cond_7

    const/4 v0, 0x1

    goto :goto_8

    :cond_7
    const/4 v0, 0x0

    :goto_8
    invoke-static {v0}, Lcom/google/android/exoplayer2/util/Assertions;->checkState(Z)V

    .line 116
    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->position()I

    move-result v0

    .line 117
    .local v0, "position":I
    invoke-virtual {p1}, Ljava/nio/ByteBuffer;->limit()I

    move-result v2

    .line 118
    .local v2, "limit":I
    sub-int v3, v2, v0

    iget v4, p0, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->channelCount:I

    mul-int/lit8 v4, v4, 0x2

    div-int/2addr v3, v4

    .line 119
    .local v3, "frameCount":I
    iget-object v4, p0, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->outputChannels:[I

    array-length v4, v4

    mul-int v4, v4, v3

    mul-int/lit8 v4, v4, 0x2

    .line 120
    .local v4, "outputSize":I
    iget-object v5, p0, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->buffer:Ljava/nio/ByteBuffer;

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

    move-result v5

    if-ge v5, v4, :cond_38

    .line 121
    invoke-static {v4}, Ljava/nio/ByteBuffer;->allocateDirect(I)Ljava/nio/ByteBuffer;

    move-result-object v5

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

    move-result-object v6

    invoke-virtual {v5, v6}, Ljava/nio/ByteBuffer;->order(Ljava/nio/ByteOrder;)Ljava/nio/ByteBuffer;

    move-result-object v5

    iput-object v5, p0, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->buffer:Ljava/nio/ByteBuffer;

    goto :goto_3d

    .line 123
    :cond_38
    iget-object v5, p0, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->buffer:Ljava/nio/ByteBuffer;

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

    .line 125
    :goto_3d
    if-ge v0, v2, :cond_5c

    .line 126
    iget-object v5, p0, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->outputChannels:[I

    array-length v6, v5

    const/4 v7, 0x0

    :goto_43
    if-ge v7, v6, :cond_56

    aget v8, v5, v7

    .line 127
    .local v8, "channelIndex":I
    iget-object v9, p0, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->buffer:Ljava/nio/ByteBuffer;

    mul-int/lit8 v10, v8, 0x2

    add-int/2addr v10, v0

    invoke-virtual {p1, v10}, Ljava/nio/ByteBuffer;->getShort(I)S

    move-result v10

    invoke-virtual {v9, v10}, Ljava/nio/ByteBuffer;->putShort(S)Ljava/nio/ByteBuffer;

    .line 126
    .end local v8    # "channelIndex":I
    add-int/lit8 v7, v7, 0x1

    goto :goto_43

    .line 129
    :cond_56
    iget v5, p0, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->channelCount:I

    mul-int/lit8 v5, v5, 0x2

    add-int/2addr v0, v5

    goto :goto_3d

    .line 131
    :cond_5c
    invoke-virtual {p1, v2}, Ljava/nio/ByteBuffer;->position(I)Ljava/nio/Buffer;

    .line 132
    iget-object v1, p0, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->buffer:Ljava/nio/ByteBuffer;

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

    .line 133
    iget-object v1, p0, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->buffer:Ljava/nio/ByteBuffer;

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

    .line 134
    return-void
.end method

.method public reset()V
    .registers 2

    .line 162
    invoke-virtual {p0}, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->flush()V

    .line 163
    sget-object v0, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->EMPTY_BUFFER:Ljava/nio/ByteBuffer;

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

    .line 164
    const/4 v0, -0x1

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

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

    .line 166
    const/4 v0, 0x0

    iput-object v0, p0, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->outputChannels:[I

    .line 167
    iput-object v0, p0, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->pendingOutputChannels:[I

    .line 168
    const/4 v0, 0x0

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

    .line 169
    return-void
.end method

.method public setChannelMap([I)V
    .registers 2
    .param p1, "outputChannels"    # [I

    .line 60
    iput-object p1, p0, Lcom/google/android/exoplayer2/audio/ChannelMappingAudioProcessor;->pendingOutputChannels:[I

    .line 61
    return-void
.end method