java - OpenSL ES for recording audio in android NDK -


i starting learn opensl es android, before want confirm if record directly using jni bypass manufacturer's pre-processing agc , low pass filtering? provide raw pcm data source data?

is of pre-processing done @ kernel driver level or @ library level?

is there way pure audio directly drivers jni , google or phone manufacturer's give kind of access?

there detail information audio requirements android device , application connected device drivers. find information following here

  1. application framework
  2. jni
  3. native framework
  4. binder ipc
  5. media server
  6. hal
  7. kernel driver

hope helps people.


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