fix clippy default warning
general: apply clippy lints (#407)* general: update crates to 2021 edition. * general: apply clippy --fix * general: apply manual clippy lints * cargo fmt.
Replace `assert!(false, …)`/`assert!(false)` with `panic!(…)`/`panic!()`
fix deprecations for chrono
Support providing RTP extensions in local tracks (#336)
Revert "Add generic `rtp::extension::HeaderExtension`"This reverts commit a2847e5a98c20f347c70c2b2906452b760136457.
Add generic `rtp::extension::HeaderExtension`
Marshalled extension types derive Serialize/Deserialize
No deriving default on enums
Video orientation extension
Move all to top level