TODO: audio_info class

[nsdrozario]

No more messy sample rate or buffer size checks

• [x] Class definition
• [x] Pass into audio callback
• [ ] Update buffer check / sample rate checks
  • [x] Delay
  • [ ] Convolution (need to reload the IR file when the sample rate changes)
  • [ ] Oscillator
  • [ ] Shelf
  • [x] Overdrive

[nsdrozario]

1st and 2nd tasks resolved in #17