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ImageProxy to Bitmap
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/* | |
A function to change an ImageProxy to a bitmap | |
@param the image input | |
@return can be null or a bitmap | |
*/ | |
fun preProcessImg(image : ImageProxy):Bitmap?{ | |
val planes = image!!.planes | |
val yBuffer = planes[0].buffer | |
val uBuffer = planes[1].buffer | |
val vBuffer = planes[2].buffer | |
val ySize = yBuffer.remaining() | |
val uSize = uBuffer.remaining() | |
val vSize = vBuffer.remaining() | |
val nv21 = ByteArray(ySize + uSize + vSize) | |
yBuffer[nv21, 0, ySize] | |
vBuffer[nv21, ySize, vSize] | |
uBuffer[nv21, ySize + vSize, uSize] | |
val yuvImage = YuvImage(nv21, ImageFormat.NV21, image.width, image.height, null) | |
val out = ByteArrayOutputStream() | |
yuvImage.compressToJpeg(Rect(0, 0, yuvImage.width, yuvImage.height), 75, out) | |
val imageBytes = out.toByteArray() | |
return BitmapFactory.decodeByteArray(imageBytes, 0, imageBytes.size) | |
} |
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