garnet/bin/sl4f/src/audio/commands.rs

// Copyright 2019 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

use crate::audio::{facade::AudioFacade, types::AudioMethod};
use crate::server::Facade;
use anyhow::Error;
use futures::future::{FutureExt, LocalBoxFuture};
use serde_json::Value;

impl Facade for AudioFacade {
    fn handle_request(
        &self,
        method: String,
        args: Value,
    ) -> LocalBoxFuture<'_, Result<Value, Error>> {
        audio_method_to_fidl(method, args, self).boxed_local()
    }
}

// Takes SL4F method command and executes corresponding Audio Client methods.
async fn audio_method_to_fidl(
    method_name: String,
    args: Value,
    facade: &AudioFacade,
) -> Result<Value, Error> {
    match method_name.parse()? {
        AudioMethod::PutInputAudio => facade.put_input_audio(args).await,
        AudioMethod::StartInputInjection => facade.start_input_injection(args).await,
        AudioMethod::StopInputInjection => facade.stop_input_injection().await,

        AudioMethod::StartOutputSave => facade.start_output_save().await,
        AudioMethod::StopOutputSave => facade.stop_output_save().await,
        AudioMethod::GetOutputAudio => facade.get_output_audio().await,
    }
}