How to add real time filtering effects in camera 2 API in Android

Question

I am developing a camera application in android, i want to enable real time filtering effects feature in to my app,I have used GPUimage filter to add filtering effects to an image.But i don't know how to enable real time filtering effects to camera preview before taking a picture.I have used camera and camera 2 api for below lollipop version and for lollipop version.Any library is available for this ?? I am a beginner,Can anyone help?

Answer 1

If you need simple filters like sepia or negative you can just set CONTROL_EFFECT_MODE field in CaptureRequest instance via CaptureRequest.Builder method mBuilder.set(CaptureRequest.CONTROL_EFFECT_MODE, /*your value*/);

see developers doc for available values.