Voice Rework -- Events, Track Queues (#806)

This implements a proof-of-concept for an improved audio frontend. The largest change is the introduction of events and event handling: both by time elapsed and by track events, such as ending or looping. Following on from this, the library now includes a basic, event-driven track queue system (which people seem to ask for unusually often). A new sample, `examples/13_voice_events`, demonstrates both the `TrackQueue` system and some basic events via the `~queue` and `~play_fade` commands.

Locks are removed from around the control of `Audio` objects, which should allow the backend to be moved to a more granular futures-based backend solution in a cleaner way.
This commit is contained in:
Kyle Simpson
2020-10-29 20:25:20 +00:00
committed by Alex M. M
commit 7e4392ae68
76 changed files with 8756 additions and 0 deletions

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rustfmt.toml Normal file
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imports_layout = "HorizontalVertical"
match_arm_blocks = false
match_block_trailing_comma = true
newline_style = "Unix"
use_field_init_shorthand = true
use_try_shorthand = true