.class public Lorg/webrtc/YuvConverter;
.super Ljava/lang/Object;
.source "YuvConverter.java"


# annotations
.annotation system Ldalvik/annotation/MemberClasses;
    value = {
        Lorg/webrtc/YuvConverter$ShaderCallbacks;
    }
.end annotation


# static fields
.field public static final FRAGMENT_SHADER:Ljava/lang/String; = "uniform vec2 xUnit;\nuniform vec4 coeffs;\n\nvoid main() {\n  gl_FragColor.r = coeffs.a + dot(coeffs.rgb,\n      sample(tc - 1.5 * xUnit).rgb);\n  gl_FragColor.g = coeffs.a + dot(coeffs.rgb,\n      sample(tc - 0.5 * xUnit).rgb);\n  gl_FragColor.b = coeffs.a + dot(coeffs.rgb,\n      sample(tc + 0.5 * xUnit).rgb);\n  gl_FragColor.a = coeffs.a + dot(coeffs.rgb,\n      sample(tc + 1.5 * xUnit).rgb);\n}\n"


# instance fields
.field public final drawer:Lorg/webrtc/GlGenericDrawer;

.field public final i420TextureFrameBuffer:Lorg/webrtc/GlTextureFrameBuffer;

.field public final shaderCallbacks:Lorg/webrtc/YuvConverter$ShaderCallbacks;

.field public final threadChecker:Lorg/webrtc/ThreadUtils$ThreadChecker;


# direct methods
.method public constructor <init>()V
    .locals 3

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

    new-instance v0, Lorg/webrtc/ThreadUtils$ThreadChecker;

    invoke-direct {v0}, Lorg/webrtc/ThreadUtils$ThreadChecker;-><init>()V

    iput-object v0, p0, Lorg/webrtc/YuvConverter;->threadChecker:Lorg/webrtc/ThreadUtils$ThreadChecker;

    new-instance v0, Lorg/webrtc/GlTextureFrameBuffer;

    const/16 v1, 0x1908

    invoke-direct {v0, v1}, Lorg/webrtc/GlTextureFrameBuffer;-><init>(I)V

    iput-object v0, p0, Lorg/webrtc/YuvConverter;->i420TextureFrameBuffer:Lorg/webrtc/GlTextureFrameBuffer;

    new-instance v0, Lorg/webrtc/YuvConverter$ShaderCallbacks;

    const/4 v1, 0x0

    invoke-direct {v0, v1}, Lorg/webrtc/YuvConverter$ShaderCallbacks;-><init>(Lorg/webrtc/YuvConverter$1;)V

    iput-object v0, p0, Lorg/webrtc/YuvConverter;->shaderCallbacks:Lorg/webrtc/YuvConverter$ShaderCallbacks;

    new-instance v0, Lorg/webrtc/GlGenericDrawer;

    iget-object v1, p0, Lorg/webrtc/YuvConverter;->shaderCallbacks:Lorg/webrtc/YuvConverter$ShaderCallbacks;

    const-string v2, "uniform vec2 xUnit;\nuniform vec4 coeffs;\n\nvoid main() {\n  gl_FragColor.r = coeffs.a + dot(coeffs.rgb,\n      sample(tc - 1.5 * xUnit).rgb);\n  gl_FragColor.g = coeffs.a + dot(coeffs.rgb,\n      sample(tc - 0.5 * xUnit).rgb);\n  gl_FragColor.b = coeffs.a + dot(coeffs.rgb,\n      sample(tc + 0.5 * xUnit).rgb);\n  gl_FragColor.a = coeffs.a + dot(coeffs.rgb,\n      sample(tc + 1.5 * xUnit).rgb);\n}\n"

    invoke-direct {v0, v2, v1}, Lorg/webrtc/GlGenericDrawer;-><init>(Ljava/lang/String;Lorg/webrtc/GlGenericDrawer$ShaderCallbacks;)V

    iput-object v0, p0, Lorg/webrtc/YuvConverter;->drawer:Lorg/webrtc/GlGenericDrawer;

    iget-object v0, p0, Lorg/webrtc/YuvConverter;->threadChecker:Lorg/webrtc/ThreadUtils$ThreadChecker;

    invoke-virtual {v0}, Lorg/webrtc/ThreadUtils$ThreadChecker;->detachThread()V

    return-void
.end method


# virtual methods
.method public convert(Lorg/webrtc/VideoFrame$TextureBuffer;)Lorg/webrtc/VideoFrame$I420Buffer;
    .locals 17

    move-object/from16 v0, p0

    iget-object v1, v0, Lorg/webrtc/YuvConverter;->threadChecker:Lorg/webrtc/ThreadUtils$ThreadChecker;

    invoke-virtual {v1}, Lorg/webrtc/ThreadUtils$ThreadChecker;->checkIsOnValidThread()V

    invoke-interface/range {p1 .. p1}, Lorg/webrtc/VideoFrame$Buffer;->getWidth()I

    move-result v1

    invoke-interface/range {p1 .. p1}, Lorg/webrtc/VideoFrame$Buffer;->getHeight()I

    move-result v11

    add-int/lit8 v2, v1, 0x7

    div-int/lit8 v2, v2, 0x8

    mul-int/lit8 v12, v2, 0x8

    add-int/lit8 v2, v11, 0x1

    div-int/lit8 v13, v2, 0x2

    add-int v2, v11, v13

    mul-int v3, v12, v2

    invoke-static {v3}, Lorg/webrtc/JniCommon;->nativeAllocateByteBuffer(I)Ljava/nio/ByteBuffer;

    move-result-object v14

    div-int/lit8 v15, v12, 0x4

    new-instance v10, Landroid/graphics/Matrix;

    invoke-direct {v10}, Landroid/graphics/Matrix;-><init>()V

    const/high16 v3, 0x3f000000    # 0.5f

    invoke-virtual {v10, v3, v3}, Landroid/graphics/Matrix;->preTranslate(FF)Z

    const/high16 v3, 0x3f800000    # 1.0f

    const/high16 v4, -0x40800000    # -1.0f

    invoke-virtual {v10, v3, v4}, Landroid/graphics/Matrix;->preScale(FF)Z

    const/high16 v3, -0x41000000    # -0.5f

    invoke-virtual {v10, v3, v3}, Landroid/graphics/Matrix;->preTranslate(FF)Z

    iget-object v3, v0, Lorg/webrtc/YuvConverter;->i420TextureFrameBuffer:Lorg/webrtc/GlTextureFrameBuffer;

    invoke-virtual {v3, v15, v2}, Lorg/webrtc/GlTextureFrameBuffer;->setSize(II)V

    iget-object v2, v0, Lorg/webrtc/YuvConverter;->i420TextureFrameBuffer:Lorg/webrtc/GlTextureFrameBuffer;

    invoke-virtual {v2}, Lorg/webrtc/GlTextureFrameBuffer;->getFrameBufferId()I

    move-result v2

    const v9, 0x8d40

    invoke-static {v9, v2}, Landroid/opengl/GLES20;->glBindFramebuffer(II)V

    const-string v2, "glBindFramebuffer"

    invoke-static {v2}, Lorg/webrtc/GlUtil;->checkNoGLES2Error(Ljava/lang/String;)V

    iget-object v2, v0, Lorg/webrtc/YuvConverter;->shaderCallbacks:Lorg/webrtc/YuvConverter$ShaderCallbacks;

    invoke-virtual {v2}, Lorg/webrtc/YuvConverter$ShaderCallbacks;->setPlaneY()V

    iget-object v2, v0, Lorg/webrtc/YuvConverter;->drawer:Lorg/webrtc/GlGenericDrawer;

    const/4 v7, 0x0

    const/4 v8, 0x0

    move-object/from16 v3, p1

    move-object v4, v10

    move v5, v1

    move v6, v11

    move v9, v15

    move-object/from16 v16, v10

    move v10, v11

    invoke-static/range {v2 .. v10}, Lorg/webrtc/VideoFrameDrawer;->drawTexture(Lorg/webrtc/RendererCommon$GlDrawer;Lorg/webrtc/VideoFrame$TextureBuffer;Landroid/graphics/Matrix;IIIIII)V

    iget-object v2, v0, Lorg/webrtc/YuvConverter;->shaderCallbacks:Lorg/webrtc/YuvConverter$ShaderCallbacks;

    invoke-virtual {v2}, Lorg/webrtc/YuvConverter$ShaderCallbacks;->setPlaneU()V

    iget-object v2, v0, Lorg/webrtc/YuvConverter;->drawer:Lorg/webrtc/GlGenericDrawer;

    div-int/lit8 v15, v15, 0x2

    move-object/from16 v4, v16

    move v8, v11

    move v9, v15

    move v10, v13

    invoke-static/range {v2 .. v10}, Lorg/webrtc/VideoFrameDrawer;->drawTexture(Lorg/webrtc/RendererCommon$GlDrawer;Lorg/webrtc/VideoFrame$TextureBuffer;Landroid/graphics/Matrix;IIIIII)V

    iget-object v2, v0, Lorg/webrtc/YuvConverter;->shaderCallbacks:Lorg/webrtc/YuvConverter$ShaderCallbacks;

    invoke-virtual {v2}, Lorg/webrtc/YuvConverter$ShaderCallbacks;->setPlaneV()V

    iget-object v2, v0, Lorg/webrtc/YuvConverter;->drawer:Lorg/webrtc/GlGenericDrawer;

    move v7, v15

    invoke-static/range {v2 .. v10}, Lorg/webrtc/VideoFrameDrawer;->drawTexture(Lorg/webrtc/RendererCommon$GlDrawer;Lorg/webrtc/VideoFrame$TextureBuffer;Landroid/graphics/Matrix;IIIIII)V

    iget-object v2, v0, Lorg/webrtc/YuvConverter;->i420TextureFrameBuffer:Lorg/webrtc/GlTextureFrameBuffer;

    invoke-virtual {v2}, Lorg/webrtc/GlTextureFrameBuffer;->getWidth()I

    move-result v6

    iget-object v2, v0, Lorg/webrtc/YuvConverter;->i420TextureFrameBuffer:Lorg/webrtc/GlTextureFrameBuffer;

    invoke-virtual {v2}, Lorg/webrtc/GlTextureFrameBuffer;->getHeight()I

    move-result v7

    const/4 v4, 0x0

    const/4 v5, 0x0

    const/16 v8, 0x1908

    const/16 v9, 0x1401

    move-object v10, v14

    invoke-static/range {v4 .. v10}, Landroid/opengl/GLES20;->glReadPixels(IIIIIILjava/nio/Buffer;)V

    const-string v2, "YuvConverter.convert"

    invoke-static {v2}, Lorg/webrtc/GlUtil;->checkNoGLES2Error(Ljava/lang/String;)V

    const/4 v2, 0x0

    const v3, 0x8d40

    invoke-static {v3, v2}, Landroid/opengl/GLES20;->glBindFramebuffer(II)V

    mul-int v3, v12, v11

    add-int/2addr v3, v2

    div-int/lit8 v4, v12, 0x2

    add-int v5, v3, v4

    invoke-virtual {v14, v2}, Ljava/nio/ByteBuffer;->position(I)Ljava/nio/Buffer;

    invoke-virtual {v14, v3}, Ljava/nio/ByteBuffer;->limit(I)Ljava/nio/Buffer;

    invoke-virtual {v14}, Ljava/nio/ByteBuffer;->slice()Ljava/nio/ByteBuffer;

    move-result-object v6

    invoke-virtual {v14, v3}, Ljava/nio/ByteBuffer;->position(I)Ljava/nio/Buffer;

    add-int/lit8 v13, v13, -0x1

    mul-int v13, v13, v12

    add-int/2addr v13, v4

    add-int/2addr v3, v13

    invoke-virtual {v14, v3}, Ljava/nio/ByteBuffer;->limit(I)Ljava/nio/Buffer;

    invoke-virtual {v14}, Ljava/nio/ByteBuffer;->slice()Ljava/nio/ByteBuffer;

    move-result-object v7

    invoke-virtual {v14, v5}, Ljava/nio/ByteBuffer;->position(I)Ljava/nio/Buffer;

    add-int/2addr v5, v13

    invoke-virtual {v14, v5}, Ljava/nio/ByteBuffer;->limit(I)Ljava/nio/Buffer;

    invoke-virtual {v14}, Ljava/nio/ByteBuffer;->slice()Ljava/nio/ByteBuffer;

    move-result-object v8

    new-instance v10, Lf0/c/e0;

    invoke-direct {v10, v14}, Lf0/c/e0;-><init>(Ljava/nio/ByteBuffer;)V

    move v2, v1

    move v3, v11

    move-object v4, v6

    move v5, v12

    move-object v6, v7

    move v7, v12

    move v9, v12

    invoke-static/range {v2 .. v10}, Lorg/webrtc/JavaI420Buffer;->wrap(IILjava/nio/ByteBuffer;ILjava/nio/ByteBuffer;ILjava/nio/ByteBuffer;ILjava/lang/Runnable;)Lorg/webrtc/JavaI420Buffer;

    move-result-object v1

    return-object v1
.end method

.method public release()V
    .locals 1

    iget-object v0, p0, Lorg/webrtc/YuvConverter;->threadChecker:Lorg/webrtc/ThreadUtils$ThreadChecker;

    invoke-virtual {v0}, Lorg/webrtc/ThreadUtils$ThreadChecker;->checkIsOnValidThread()V

    iget-object v0, p0, Lorg/webrtc/YuvConverter;->drawer:Lorg/webrtc/GlGenericDrawer;

    invoke-virtual {v0}, Lorg/webrtc/GlGenericDrawer;->release()V

    iget-object v0, p0, Lorg/webrtc/YuvConverter;->i420TextureFrameBuffer:Lorg/webrtc/GlTextureFrameBuffer;

    invoke-virtual {v0}, Lorg/webrtc/GlTextureFrameBuffer;->release()V

    iget-object v0, p0, Lorg/webrtc/YuvConverter;->threadChecker:Lorg/webrtc/ThreadUtils$ThreadChecker;

    invoke-virtual {v0}, Lorg/webrtc/ThreadUtils$ThreadChecker;->detachThread()V

    return-void
.end method