From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- third_party/libwebrtc/api/metronome/metronome.h | 47 +++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 third_party/libwebrtc/api/metronome/metronome.h (limited to 'third_party/libwebrtc/api/metronome/metronome.h') diff --git a/third_party/libwebrtc/api/metronome/metronome.h b/third_party/libwebrtc/api/metronome/metronome.h new file mode 100644 index 0000000000..a312b1c862 --- /dev/null +++ b/third_party/libwebrtc/api/metronome/metronome.h @@ -0,0 +1,47 @@ +/* + * Copyright (c) 2022 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#ifndef API_METRONOME_METRONOME_H_ +#define API_METRONOME_METRONOME_H_ + +#include "api/task_queue/task_queue_base.h" +#include "api/units/time_delta.h" +#include "rtc_base/system/rtc_export.h" + +namespace webrtc { + +// The Metronome posts OnTick() calls requested with RequestCallOnNextTick. +// The API is designed to be fully used from a single task queue. Scheduled +// callbacks are executed on the same sequence as they were requested on. There +// are no features implemented for cancellation. When that's needed, use e.g. +// ScopedTaskSafety from the client. +// +// The metronome concept is still under experimentation, and may not be availble +// in all platforms or applications. See https://crbug.com/1253787 for more +// details. +// +// Metronome implementations must be thread-compatible. +class RTC_EXPORT Metronome { + public: + virtual ~Metronome() = default; + + // Requests a call to `callback` on the next tick. Scheduled callbacks are + // executed on the same sequence as they were requested on. There are no + // features for cancellation. When that's needed, use e.g. ScopedTaskSafety + // from the client. + virtual void RequestCallOnNextTick(absl::AnyInvocable callback) {} + + // Returns the current tick period of the metronome. + virtual TimeDelta TickPeriod() const = 0; +}; + +} // namespace webrtc + +#endif // API_METRONOME_METRONOME_H_ -- cgit v1.2.3