I have a recording Android app in which i want to convert the 3gp audio clips to mp3 in order to send them to server. As i have searched the internet, the only way to do that is through some various libraries like Lame, FFmpeg and others which have some restrictions on my app.

For example the implementation 'com.arthenica:mobile-ffmpeg-full:4.4' which is the ffmpeg has minimumSdk to 24 but mine if for devices the support Android 5.

Is there a snippet of code that can do my job or at lease some kind of useful advice? Thank you