Release v0.12.0
What's Changed
- Display SampleRate with human-readable format by @sunfish-shogi in #138
- Divide box_types.go by specification #139 by @sunfish-shogi in #140
- add Opus boxes by @aler9 in #142
- add AV1 boxes by @aler9 in #141
Full Changelog: v0.11.0...v0.12.0