5
When approaching optimization problems (and it kinda is one as you want to make a call faster) its generally best to first make sure that you understand exactly what is happening so when in doubt - measure and debug.
Before doing any changes in the code I'd first set up debugger and probably some logs with timestamps (assuming you are testing on separate ...
2
I haven't worked with CameraX, so I'll just point out other things I noticed.
In this code:
cameraCaptureButton.setOnClickListener {
it.isEnabled = false
if (!isRecording) {
isRecording = true
cameraCaptureButton.setBackgroundResource(R.drawable.ic_shutter_pressed)
it.invalidate(...
1
0.0 - 1.0, Is this going to crash for any reason?
As you don't check, there's an ArrayIndexOutOfBoundsException that could be turned into an IllegalArgumentException.
is there a better way to do this?
Avoid copying altogether:
Use java.nio.ByteBuffer.slice()
Don't open code what the JRE provides:
Use java.util.Arrays.copyOfRange(byte[] original, int from, ...
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