* sys: Run cargo fmt
* sys: Add new channel layout consts
* sys: Update build script for 7.0
- Add new FF_API flags
- Update version_check_info range
- Add ffmpeg_7_0 feature entry
* sys: Update non-exhaustive match statement
* Update enums
* Mark old APIs as removed with 7.0
* Make Audio frame work with 7.0
The .unwrap() in clone() is a bit wonky
* Add API for swr_alloc_set_opts2
* Use AVFrame::duration field in 7.0+
* Include 7.0 in CI runs
* Add fn ChanneLayoutIter::best
* Update examples for new API
* Add/update Context setter for ch layout
* Replace tag/error macros with const fns
* Remove c_int -> c_int cast
These should always use the same type alias
* Remove duplicate av_strerror definition
* Document breaking change
