third_party/fuchsia-sdk/fidl/fuchsia.media/profile_provider.fidl

// Copyright 2020 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.

library fuchsia.media;

using zx;

[Discoverable, Layout = "Simple"]
protocol ProfileProvider {
    /// Register a thread as a media thread. This notifies the media subsystem
    /// that this thread should have an elevated scheduling profile applied to
    /// it in order to meet audio or video deadlines.
    ///
    /// `name` is the name of the component requesting the profile.
    /// `period` is the suggested interval to be scheduled at.
    ///
    /// Returns the period and capacity that was applied, if a deadline profile
    /// was selected. Returns 0 if no deadline profile was selected.
    RegisterHandler(handle<thread> thread_handle, string:64 name, zx.duration period)
        -> (zx.duration period, zx.duration capacity);
};