fun yuvToRgb()

in Camera2Basic/utils/src/main/java/com/example/android/camera/utils/YuvToRgbConverter.kt [57:90]

30 lines of code
2 McCabe index (conditional complexity)


    fun yuvToRgb(image: Image, output: Bitmap) {
        val yuvBuffer = YuvByteBuffer(image, yuvBits)
        yuvBits = yuvBuffer.buffer

        if (needCreateAllocations(image, yuvBuffer)) {
            val yuvType = Type.Builder(rs, Element.U8(rs))
                .setX(image.width)
                .setY(image.height)
                .setYuvFormat(yuvBuffer.type)
            inputAllocation = Allocation.createTyped(
                rs,
                yuvType.create(),
                Allocation.USAGE_SCRIPT
            )
            bytes = ByteArray(yuvBuffer.buffer.capacity())
            val rgbaType = Type.Builder(rs, Element.RGBA_8888(rs))
                .setX(image.width)
                .setY(image.height)
            outputAllocation = Allocation.createTyped(
                rs,
                rgbaType.create(),
                Allocation.USAGE_SCRIPT
            )
        }

        yuvBuffer.buffer.get(bytes)
        inputAllocation!!.copyFrom(bytes)

        // Convert NV21 or YUV_420_888 format to RGB
        inputAllocation!!.copyFrom(bytes)
        scriptYuvToRgb.setInput(inputAllocation)
        scriptYuvToRgb.forEach(outputAllocation)
        outputAllocation!!.copyTo(output)
    }