There is no reactor running, must be called from the context of a Tokio 1.x runtime

[Larpoux]

Describe the bug

Panic at src/api/override_web_audio_api.rs:124
When I set a callback function for the endedevent of my audio_buffer_source node.

Steps to reproduce

  Future<void> finished(Event event) async
  {
    Tau.tau.logger.d('lolo');
    await stop();
  }
....
src = await audioCtx.createBufferSource();
...
await src.setOnEnded(callback: finished);

override_web_audio_api.rs:124

handle_audio_scheduled_source_node_trait_impls_override!(AudioBufferSourceNode);

Logs

'<unnamed>' panicked at src/api/override_web_audio_api.rs:124:1:
there is no reactor running, must be called from the context of a Tokio 1.x runtime
stack backtrace:
   0: _rust_begin_unwind
   1: core::panicking::panic_fmt
   2: core::panicking::panic_display
   3: tokio::task::spawn::spawn_inner::panic_cold_display
   4: tokio::task::spawn::spawn_inner
   5: tokio::task::spawn::spawn
   6: <web_audio_api::node::audio_buffer_source::AudioBufferSourceNode as tau::api::override_web_audio_api::AudioBufferSourceNodeScheduledSourceNodeMiscExt>::set_on_ended::{{closure}}
   7: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
   8: web_audio_api::node::scheduled_source::AudioScheduledSourceNode::set_onended::{{closure}}
   9: core::ops::function::FnOnce::call_once{{vtable.shim}}
  10: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
  11: web_audio_api::events::EventLoop::handle_event
  12: web_audio_api::events::EventLoop::run_in_thread::{{closure}}
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.

OS

Macos

Version of flutter_rust_bridge_codegen

flutter_rust_bridge_codegen 2.0.0

[fzyzcjy]

Ok I guess that's because of something like:

flutter_rust_bridge/frb_example/integrate_third_party/rust/src/api/override_web_audio_api.rs

Line 114 in 7e2a5f1

flutter_rust_bridge::spawn(async move { callback(event).await });

(and various other places). I did not run them before (since that was just a prototype). I will check it a bit later.

[fzyzcjy]

PR: #2151 (Just copy-paste the update code after it is done)

I have not run it to test whether it is fixed though, since integrate_third_party does not contain things to be run but only things at compile time.

[Larpoux]

It works much better.

await src.setOnEnded(callback: finished)

The callback is correctly called at the end of the playback. 🥇

[fzyzcjy]

Looks great!

[github-actions]

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