[RetroPlayer] Flush/sync audio

[GTechAlpha]

Description

Requires PR #99 . Flush audio (re-sync) if delay is too high.

Motivation and Context

Over-buffering of audio causes significant delay.

How Has This Been Tested?

PCSX

Screenshots (if appropriate):

Types of change

• [X] Bug fix (non-breaking change which fixes an issue)
• [ ] Improvement (non-breaking change which improves existing functionality)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

[garbear]

Looks good apart from the cosmetic

[GTechAlpha]

Updated. Should be good to go.

[garbear]

thanks!