tree 2a5c0a62d8ea5d5cca0b8398dc81b66c371ddb03
parent 916b0505c7f3e3f055631dcadfafdbb95a335912
author luigi-rosso <hello@rive.app> 1705983102 +0000
committer luigi-rosso <hello@rive.app> 1705983102 +0000

Audio engine

Adds an audio engine abstraction (implemented with miniaudio) in Rive. We can selectively replace it with other abstractions later if we find miniaudio isn't well suited everywhere but I'm confident it will be based on flexibility with getting it working in the recorder.

Adds audio support in:

- packages/rive_common
  - WASM: rive_audio_wasm.dart
  - FFI: rive_audio_ffi.dart
- packages/runtime
- packages/recorder

Subsequent PR will add support in:

- packages/rive_unity
  - This is getting meaty enough...
- packages/rive_flutter
  - This requires publishing rive_common so I want to make sure this is reviewed and accepted before publishing
  - I'd also prefer to merge layout constraints into rive_common before this lands.

Editor features:
- Updated preview window:
<img width="248" alt="CleanShot 2024-01-15 at 14 44 31@2x" src="https://github.com/rive-app/rive/assets/454182/a9588be6-8370-4e22-ab32-af1e9ed71183">

- Preview waveforms in the timeline:
<img width="651" alt="CleanShot 2024-01-15 at 14 44 53@2x" src="https://github.com/rive-app/rive/assets/454182/2710667f-838f-483d-9647-e2bcb9e0237a">

- Subsequent PR will also use threads in web editor build (currently uses a time/frame based decoder to offload ui). I can't do that until I can verify the Shared Memory access is granted once rive_common lands in pub.dev and then we can push to UAT.

Diffs=
73bf11db3 Audio engine (#6454)

Co-authored-by: Luigi Rosso <luigi-rosso@users.noreply.github.com>