FileVideoCapturer$VideoReaderY4M.smali

.class Lorg/webrtc/ali/FileVideoCapturer$VideoReaderY4M;
.super Ljava/lang/Object;
.source "FileVideoCapturer.java"

# interfaces
.implements Lorg/webrtc/ali/FileVideoCapturer$VideoReader;


# annotations
.annotation system Ldalvik/annotation/EnclosingClass;
    value = Lorg/webrtc/ali/FileVideoCapturer;
.end annotation

.annotation system Ldalvik/annotation/InnerClass;
    accessFlags = 0xa
    name = "VideoReaderY4M"
.end annotation


# static fields
.field private static final TAG:Ljava/lang/String; = "VideoReaderY4M"

.field private static final Y4M_FRAME_DELIMETER:Ljava/lang/String; = "FRAME"


# instance fields
.field private final frameHeight:I

.field private final frameSize:I

.field private final frameWidth:I

.field private final mediaFileStream:Ljava/io/RandomAccessFile;

.field private final videoStart:J


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

    return-void
.end method

.method public constructor <init>(Ljava/lang/String;)V
    .registers 15
    .param p1, "file"    # Ljava/lang/String;
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 58
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    .line 59
    new-instance v0, Ljava/io/RandomAccessFile;

    const-string v1, "r"

    invoke-direct {v0, p1, v1}, Ljava/io/RandomAccessFile;-><init>(Ljava/lang/String;Ljava/lang/String;)V

    iput-object v0, p0, Lorg/webrtc/ali/FileVideoCapturer$VideoReaderY4M;->mediaFileStream:Ljava/io/RandomAccessFile;

    .line 60
    new-instance v0, Ljava/lang/StringBuilder;

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

    .line 62
    .local v0, "builder":Ljava/lang/StringBuilder;
    :goto_11
    iget-object v1, p0, Lorg/webrtc/ali/FileVideoCapturer$VideoReaderY4M;->mediaFileStream:Ljava/io/RandomAccessFile;

    invoke-virtual {v1}, Ljava/io/RandomAccessFile;->read()I

    move-result v1

    .line 63
    .local v1, "c":I
    const/4 v2, -0x1

    if-eq v1, v2, :cond_df

    .line 67
    const/16 v2, 0xa

    if-ne v1, v2, :cond_d9

    .line 69
    nop

    .line 73
    .end local v1    # "c":I
    iget-object v1, p0, Lorg/webrtc/ali/FileVideoCapturer$VideoReaderY4M;->mediaFileStream:Ljava/io/RandomAccessFile;

    invoke-virtual {v1}, Ljava/io/RandomAccessFile;->getFilePointer()J

    move-result-wide v1

    iput-wide v1, p0, Lorg/webrtc/ali/FileVideoCapturer$VideoReaderY4M;->videoStart:J

    .line 74
    invoke-virtual {v0}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    .line 75
    .local v1, "header":Ljava/lang/String;
    const-string v2, "[ ]"

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

    move-result-object v2

    .line 76
    .local v2, "headerTokens":[Ljava/lang/String;
    const/4 v3, 0x0

    .line 77
    .local v3, "w":I
    const/4 v4, 0x0

    .line 78
    .local v4, "h":I
    const-string v5, ""

    .line 79
    .local v5, "colorSpace":Ljava/lang/String;
    array-length v6, v2

    const/4 v7, 0x0

    const/4 v8, 0x0

    :goto_38
    const/4 v9, 0x1

    if-ge v8, v6, :cond_67

    aget-object v10, v2, v8

    .line 80
    .local v10, "tok":Ljava/lang/String;
    invoke-virtual {v10, v7}, Ljava/lang/String;->charAt(I)C

    move-result v11

    .line 81
    .local v11, "c":C
    const/16 v12, 0x43

    if-eq v11, v12, :cond_60

    const/16 v12, 0x48

    if-eq v11, v12, :cond_57

    const/16 v12, 0x57

    if-eq v11, v12, :cond_4e

    goto :goto_64

    .line 83
    :cond_4e
    invoke-virtual {v10, v9}, Ljava/lang/String;->substring(I)Ljava/lang/String;

    move-result-object v9

    invoke-static {v9}, Ljava/lang/Integer;->parseInt(Ljava/lang/String;)I

    move-result v3

    .line 84
    goto :goto_64

    .line 86
    :cond_57
    invoke-virtual {v10, v9}, Ljava/lang/String;->substring(I)Ljava/lang/String;

    move-result-object v9

    invoke-static {v9}, Ljava/lang/Integer;->parseInt(Ljava/lang/String;)I

    move-result v4

    .line 87
    goto :goto_64

    .line 89
    :cond_60
    invoke-virtual {v10, v9}, Ljava/lang/String;->substring(I)Ljava/lang/String;

    move-result-object v5

    .line 79
    .end local v10    # "tok":Ljava/lang/String;
    .end local v11    # "c":C
    :goto_64
    add-int/lit8 v8, v8, 0x1

    goto :goto_38

    .line 93
    :cond_67
    new-instance v6, Ljava/lang/StringBuilder;

    invoke-direct {v6}, Ljava/lang/StringBuilder;-><init>()V

    const-string v7, "Color space: "

    invoke-virtual {v6, v7}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v6, v5}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v6}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v6

    const-string v7, "VideoReaderY4M"

    invoke-static {v7, v6}, Lorg/webrtc/ali/Logging;->d(Ljava/lang/String;Ljava/lang/String;)V

    .line 94
    const-string v6, "420"

    invoke-virtual {v5, v6}, Ljava/lang/String;->equals(Ljava/lang/Object;)Z

    move-result v6

    if-nez v6, :cond_96

    const-string v6, "420mpeg2"

    invoke-virtual {v5, v6}, Ljava/lang/String;->equals(Ljava/lang/Object;)Z

    move-result v6

    if-eqz v6, :cond_8e

    goto :goto_96

    .line 95
    :cond_8e
    new-instance v6, Ljava/lang/IllegalArgumentException;

    const-string v7, "Does not support any other color space than I420 or I420mpeg2"

    invoke-direct {v6, v7}, Ljava/lang/IllegalArgumentException;-><init>(Ljava/lang/String;)V

    throw v6

    .line 98
    :cond_96
    :goto_96
    rem-int/lit8 v6, v3, 0x2

    if-eq v6, v9, :cond_d1

    rem-int/lit8 v6, v4, 0x2

    if-eq v6, v9, :cond_d1

    .line 101
    iput v3, p0, Lorg/webrtc/ali/FileVideoCapturer$VideoReaderY4M;->frameWidth:I

    .line 102
    iput v4, p0, Lorg/webrtc/ali/FileVideoCapturer$VideoReaderY4M;->frameHeight:I

    .line 103
    mul-int v6, v3, v4

    mul-int/lit8 v6, v6, 0x3

    div-int/lit8 v6, v6, 0x2

    iput v6, p0, Lorg/webrtc/ali/FileVideoCapturer$VideoReaderY4M;->frameSize:I

    .line 104
    new-instance v6, Ljava/lang/StringBuilder;

    invoke-direct {v6}, Ljava/lang/StringBuilder;-><init>()V

    const-string v8, "frame dim: ("

    invoke-virtual {v6, v8}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v6, v3}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;

    const-string v8, ", "

    invoke-virtual {v6, v8}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v6, v4}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;

    const-string v8, ") frameSize: "

    invoke-virtual {v6, v8}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    iget v8, p0, Lorg/webrtc/ali/FileVideoCapturer$VideoReaderY4M;->frameSize:I

    invoke-virtual {v6, v8}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;

    invoke-virtual {v6}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v6

    invoke-static {v7, v6}, Lorg/webrtc/ali/Logging;->d(Ljava/lang/String;Ljava/lang/String;)V

    .line 105
    return-void

    .line 99
    :cond_d1
    new-instance v6, Ljava/lang/IllegalArgumentException;

    const-string v7, "Does not support odd width or height"

    invoke-direct {v6, v7}, Ljava/lang/IllegalArgumentException;-><init>(Ljava/lang/String;)V

    throw v6

    .line 71
    .end local v2    # "headerTokens":[Ljava/lang/String;
    .end local v3    # "w":I
    .end local v4    # "h":I
    .end local v5    # "colorSpace":Ljava/lang/String;
    .local v1, "c":I
    :cond_d9
    int-to-char v2, v1

    invoke-virtual {v0, v2}, Ljava/lang/StringBuilder;->append(C)Ljava/lang/StringBuilder;

    .line 72
    .end local v1    # "c":I
    goto/16 :goto_11

    .line 65
    .restart local v1    # "c":I
    :cond_df
    new-instance v2, Ljava/lang/RuntimeException;

    new-instance v3, Ljava/lang/StringBuilder;

    invoke-direct {v3}, Ljava/lang/StringBuilder;-><init>()V

    const-string v4, "Found end of file before end of header for file: "

    invoke-virtual {v3, v4}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v3, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v3}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v3

    invoke-direct {v2, v3}, Ljava/lang/RuntimeException;-><init>(Ljava/lang/String;)V

    goto :goto_f7

    :goto_f6
    throw v2

    :goto_f7
    goto :goto_f6
.end method


# virtual methods
.method public close()V
    .registers 4

    .line 135
    :try_start_0
    iget-object v0, p0, Lorg/webrtc/ali/FileVideoCapturer$VideoReaderY4M;->mediaFileStream:Ljava/io/RandomAccessFile;

    invoke-virtual {v0}, Ljava/io/RandomAccessFile;->close()V
    :try_end_5
    .catch Ljava/io/IOException; {:try_start_0 .. :try_end_5} :catch_6

    .line 138
    goto :goto_e

    .line 136
    :catch_6
    move-exception v0

    .line 137
    .local v0, "e":Ljava/io/IOException;
    const-string v1, "VideoReaderY4M"

    const-string v2, "Problem closing file"

    invoke-static {v1, v2, v0}, Lorg/webrtc/ali/Logging;->e(Ljava/lang/String;Ljava/lang/String;Ljava/lang/Throwable;)V

    .line 139
    .end local v0    # "e":Ljava/io/IOException;
    :goto_e
    return-void
.end method

.method public getFrameHeight()I
    .registers 2

    .line 55
    iget v0, p0, Lorg/webrtc/ali/FileVideoCapturer$VideoReaderY4M;->frameHeight:I

    return v0
.end method

.method public getFrameWidth()I
    .registers 2

    .line 51
    iget v0, p0, Lorg/webrtc/ali/FileVideoCapturer$VideoReaderY4M;->frameWidth:I

    return v0
.end method

.method public getNextFrame()[B
    .registers 7

    .line 108
    iget v0, p0, Lorg/webrtc/ali/FileVideoCapturer$VideoReaderY4M;->frameSize:I

    new-array v0, v0, [B

    .line 110
    .local v0, "frame":[B
    :try_start_4
    const-string v1, "FRAME"

    invoke-virtual {v1}, Ljava/lang/String;->length()I

    move-result v1

    add-int/lit8 v1, v1, 0x1

    new-array v1, v1, [B

    .line 111
    .local v1, "frameDelim":[B
    iget-object v2, p0, Lorg/webrtc/ali/FileVideoCapturer$VideoReaderY4M;->mediaFileStream:Ljava/io/RandomAccessFile;

    invoke-virtual {v2, v1}, Ljava/io/RandomAccessFile;->read([B)I

    move-result v2

    array-length v3, v1

    if-ge v2, v3, :cond_30

    .line 113
    iget-object v2, p0, Lorg/webrtc/ali/FileVideoCapturer$VideoReaderY4M;->mediaFileStream:Ljava/io/RandomAccessFile;

    iget-wide v3, p0, Lorg/webrtc/ali/FileVideoCapturer$VideoReaderY4M;->videoStart:J

    invoke-virtual {v2, v3, v4}, Ljava/io/RandomAccessFile;->seek(J)V

    .line 114
    iget-object v2, p0, Lorg/webrtc/ali/FileVideoCapturer$VideoReaderY4M;->mediaFileStream:Ljava/io/RandomAccessFile;

    invoke-virtual {v2, v1}, Ljava/io/RandomAccessFile;->read([B)I

    move-result v2

    array-length v3, v1

    if-lt v2, v3, :cond_28

    goto :goto_30

    .line 115
    :cond_28
    new-instance v2, Ljava/lang/RuntimeException;

    const-string v3, "Error looping video"

    invoke-direct {v2, v3}, Ljava/lang/RuntimeException;-><init>(Ljava/lang/String;)V

    .end local v0    # "frame":[B
    throw v2

    .line 118
    .restart local v0    # "frame":[B
    :cond_30
    :goto_30
    new-instance v2, Ljava/lang/String;

    invoke-direct {v2, v1}, Ljava/lang/String;-><init>([B)V

    .line 119
    .local v2, "frameDelimStr":Ljava/lang/String;
    const-string v3, "FRAME\n"

    invoke-virtual {v2, v3}, Ljava/lang/String;->equals(Ljava/lang/Object;)Z

    move-result v3

    if-eqz v3, :cond_4e

    .line 124
    iget-object v3, p0, Lorg/webrtc/ali/FileVideoCapturer$VideoReaderY4M;->mediaFileStream:Ljava/io/RandomAccessFile;

    invoke-virtual {v3, v0}, Ljava/io/RandomAccessFile;->readFully([B)V

    .line 125
    iget v3, p0, Lorg/webrtc/ali/FileVideoCapturer$VideoReaderY4M;->frameSize:I

    new-array v3, v3, [B

    .line 126
    .local v3, "nv21Frame":[B
    iget v4, p0, Lorg/webrtc/ali/FileVideoCapturer$VideoReaderY4M;->frameWidth:I

    iget v5, p0, Lorg/webrtc/ali/FileVideoCapturer$VideoReaderY4M;->frameHeight:I

    invoke-static {v0, v4, v5, v3}, Lorg/webrtc/ali/FileVideoCapturer;->nativeI420ToNV21([BII[B)V

    .line 127
    return-object v3

    .line 120
    .end local v3    # "nv21Frame":[B
    :cond_4e
    new-instance v3, Ljava/lang/RuntimeException;

    new-instance v4, Ljava/lang/StringBuilder;

    invoke-direct {v4}, Ljava/lang/StringBuilder;-><init>()V

    const-string v5, "Frames should be delimited by FRAME plus newline, found delimter was: \'"

    invoke-virtual {v4, v5}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v4, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    const-string v5, "\'"

    invoke-virtual {v4, v5}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v4}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v4

    invoke-direct {v3, v4}, Ljava/lang/RuntimeException;-><init>(Ljava/lang/String;)V

    .end local v0    # "frame":[B
    throw v3
    :try_end_6a
    .catch Ljava/io/IOException; {:try_start_4 .. :try_end_6a} :catch_6a

    .line 128
    .end local v1    # "frameDelim":[B
    .end local v2    # "frameDelimStr":Ljava/lang/String;
    .restart local v0    # "frame":[B
    :catch_6a
    move-exception v1

    .line 129
    .local v1, "e":Ljava/io/IOException;
    new-instance v2, Ljava/lang/RuntimeException;

    invoke-direct {v2, v1}, Ljava/lang/RuntimeException;-><init>(Ljava/lang/Throwable;)V

    throw v2
.end method