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https://github.com/mollyim/webrtc.git
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c5a91449d6
* Migrate callback to one-time absl::AnyInvocable. * Clean tests to use MockFunction. * Use main thread instead of helper function in unittests. * Fix some spelling mistakes. Bug: None Change-Id: I6145f5f5e2748dfa5278898cfdfd762c1840ff8d Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/274170 Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org> Commit-Queue: Evan Shrubsole <eshr@webrtc.org> Cr-Commit-Position: refs/heads/main@{#38016}
76 lines
2.4 KiB
C++
76 lines
2.4 KiB
C++
/*
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* Copyright (c) 2022 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "video/task_queue_frame_decode_scheduler.h"
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#include <algorithm>
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#include <utility>
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#include "api/sequence_checker.h"
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#include "api/task_queue/task_queue_base.h"
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#include "rtc_base/checks.h"
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namespace webrtc {
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TaskQueueFrameDecodeScheduler::TaskQueueFrameDecodeScheduler(
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Clock* clock,
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TaskQueueBase* const bookkeeping_queue)
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: clock_(clock), bookkeeping_queue_(bookkeeping_queue) {
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RTC_DCHECK(clock_);
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RTC_DCHECK(bookkeeping_queue_);
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}
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TaskQueueFrameDecodeScheduler::~TaskQueueFrameDecodeScheduler() {
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RTC_DCHECK(stopped_);
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RTC_DCHECK(!scheduled_rtp_) << "Outstanding scheduled rtp=" << *scheduled_rtp_
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<< ". Call CancelOutstanding before destruction.";
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}
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void TaskQueueFrameDecodeScheduler::ScheduleFrame(
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uint32_t rtp,
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FrameDecodeTiming::FrameSchedule schedule,
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FrameReleaseCallback cb) {
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RTC_DCHECK(!stopped_) << "Can not schedule frames after stopped.";
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RTC_DCHECK(!scheduled_rtp_.has_value())
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<< "Can not schedule two frames for release at the same time.";
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RTC_DCHECK(cb);
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scheduled_rtp_ = rtp;
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TimeDelta wait = std::max(
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TimeDelta::Zero(), schedule.latest_decode_time - clock_->CurrentTime());
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bookkeeping_queue_->PostDelayedTask(
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SafeTask(task_safety_.flag(),
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[this, rtp, schedule, cb = std::move(cb)]() mutable {
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RTC_DCHECK_RUN_ON(bookkeeping_queue_);
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// If the next frame rtp has changed since this task was
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// this scheduled release should be skipped.
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if (scheduled_rtp_ != rtp)
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return;
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scheduled_rtp_ = absl::nullopt;
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std::move(cb)(rtp, schedule.render_time);
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}),
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wait);
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}
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void TaskQueueFrameDecodeScheduler::CancelOutstanding() {
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scheduled_rtp_ = absl::nullopt;
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}
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absl::optional<uint32_t>
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TaskQueueFrameDecodeScheduler::ScheduledRtpTimestamp() {
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return scheduled_rtp_;
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}
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void TaskQueueFrameDecodeScheduler::Stop() {
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CancelOutstanding();
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stopped_ = true;
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}
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} // namespace webrtc
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