xref: /aosp_15_r20/external/webrtc/pc/jitter_buffer_delay.cc (revision d9f758449e529ab9291ac668be2861e7a55c2422)
1*d9f75844SAndroid Build Coastguard Worker /*
2*d9f75844SAndroid Build Coastguard Worker  *  Copyright 2019 The WebRTC project authors. All Rights Reserved.
3*d9f75844SAndroid Build Coastguard Worker  *
4*d9f75844SAndroid Build Coastguard Worker  *  Use of this source code is governed by a BSD-style license
5*d9f75844SAndroid Build Coastguard Worker  *  that can be found in the LICENSE file in the root of the source
6*d9f75844SAndroid Build Coastguard Worker  *  tree. An additional intellectual property rights grant can be found
7*d9f75844SAndroid Build Coastguard Worker  *  in the file PATENTS.  All contributing project authors may
8*d9f75844SAndroid Build Coastguard Worker  *  be found in the AUTHORS file in the root of the source tree.
9*d9f75844SAndroid Build Coastguard Worker  */
10*d9f75844SAndroid Build Coastguard Worker 
11*d9f75844SAndroid Build Coastguard Worker #include "pc/jitter_buffer_delay.h"
12*d9f75844SAndroid Build Coastguard Worker 
13*d9f75844SAndroid Build Coastguard Worker #include "api/sequence_checker.h"
14*d9f75844SAndroid Build Coastguard Worker #include "rtc_base/checks.h"
15*d9f75844SAndroid Build Coastguard Worker #include "rtc_base/numerics/safe_conversions.h"
16*d9f75844SAndroid Build Coastguard Worker #include "rtc_base/numerics/safe_minmax.h"
17*d9f75844SAndroid Build Coastguard Worker 
18*d9f75844SAndroid Build Coastguard Worker namespace {
19*d9f75844SAndroid Build Coastguard Worker constexpr int kDefaultDelay = 0;
20*d9f75844SAndroid Build Coastguard Worker constexpr int kMaximumDelayMs = 10000;
21*d9f75844SAndroid Build Coastguard Worker }  // namespace
22*d9f75844SAndroid Build Coastguard Worker 
23*d9f75844SAndroid Build Coastguard Worker namespace webrtc {
24*d9f75844SAndroid Build Coastguard Worker 
JitterBufferDelay()25*d9f75844SAndroid Build Coastguard Worker JitterBufferDelay::JitterBufferDelay() {
26*d9f75844SAndroid Build Coastguard Worker   worker_thread_checker_.Detach();
27*d9f75844SAndroid Build Coastguard Worker }
28*d9f75844SAndroid Build Coastguard Worker 
Set(absl::optional<double> delay_seconds)29*d9f75844SAndroid Build Coastguard Worker void JitterBufferDelay::Set(absl::optional<double> delay_seconds) {
30*d9f75844SAndroid Build Coastguard Worker   RTC_DCHECK_RUN_ON(&worker_thread_checker_);
31*d9f75844SAndroid Build Coastguard Worker   cached_delay_seconds_ = delay_seconds;
32*d9f75844SAndroid Build Coastguard Worker }
33*d9f75844SAndroid Build Coastguard Worker 
GetMs() const34*d9f75844SAndroid Build Coastguard Worker int JitterBufferDelay::GetMs() const {
35*d9f75844SAndroid Build Coastguard Worker   RTC_DCHECK_RUN_ON(&worker_thread_checker_);
36*d9f75844SAndroid Build Coastguard Worker   return rtc::SafeClamp(
37*d9f75844SAndroid Build Coastguard Worker       rtc::saturated_cast<int>(cached_delay_seconds_.value_or(kDefaultDelay) *
38*d9f75844SAndroid Build Coastguard Worker                                1000),
39*d9f75844SAndroid Build Coastguard Worker       0, kMaximumDelayMs);
40*d9f75844SAndroid Build Coastguard Worker }
41*d9f75844SAndroid Build Coastguard Worker 
42*d9f75844SAndroid Build Coastguard Worker }  // namespace webrtc
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