a1d3ada96b
This will later be used when merging FrameBuffer3Proxy into VideoReceiveStream2. Bug: webrtc:14003 Change-Id: Ieb97767c40f494510873abe775fc339125036dc0 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/265923 Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org> Commit-Queue: Evan Shrubsole <eshr@webrtc.org> Cr-Commit-Position: refs/heads/main@{#37237}
82 lines
2.6 KiB
C++
82 lines
2.6 KiB
C++
/*
|
|
* 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.
|
|
*/
|
|
|
|
#include "video/video_receive_stream_timeout_tracker.h"
|
|
|
|
#include <utility>
|
|
|
|
namespace webrtc {
|
|
|
|
VideoReceiveStreamTimeoutTracker::VideoReceiveStreamTimeoutTracker(
|
|
Clock* clock,
|
|
TaskQueueBase* const bookkeeping_queue,
|
|
const Timeouts& timeouts,
|
|
TimeoutCallback callback)
|
|
: clock_(clock),
|
|
bookkeeping_queue_(bookkeeping_queue),
|
|
timeouts_(timeouts),
|
|
timeout_cb_(std::move(callback)) {}
|
|
|
|
VideoReceiveStreamTimeoutTracker::~VideoReceiveStreamTimeoutTracker() {
|
|
RTC_DCHECK(!timeout_task_.Running());
|
|
}
|
|
|
|
bool VideoReceiveStreamTimeoutTracker::Running() const {
|
|
return timeout_task_.Running();
|
|
}
|
|
|
|
void VideoReceiveStreamTimeoutTracker::Start(bool waiting_for_keyframe) {
|
|
RTC_DCHECK(!timeout_task_.Running());
|
|
waiting_for_keyframe_ = waiting_for_keyframe;
|
|
TimeDelta timeout_delay = TimeoutForNextFrame();
|
|
last_frame_ = clock_->CurrentTime();
|
|
timeout_ = last_frame_ + timeout_delay;
|
|
timeout_task_ =
|
|
RepeatingTaskHandle::DelayedStart(bookkeeping_queue_, timeout_delay,
|
|
[this] { return HandleTimeoutTask(); });
|
|
}
|
|
|
|
void VideoReceiveStreamTimeoutTracker::Stop() {
|
|
timeout_task_.Stop();
|
|
}
|
|
|
|
void VideoReceiveStreamTimeoutTracker::SetWaitingForKeyframe() {
|
|
waiting_for_keyframe_ = true;
|
|
TimeDelta timeout_delay = TimeoutForNextFrame();
|
|
if (clock_->CurrentTime() + timeout_delay < timeout_) {
|
|
Stop();
|
|
Start(waiting_for_keyframe_);
|
|
}
|
|
}
|
|
|
|
void VideoReceiveStreamTimeoutTracker::OnEncodedFrameReleased() {
|
|
// If we were waiting for a keyframe, then it has just been released.
|
|
waiting_for_keyframe_ = false;
|
|
last_frame_ = clock_->CurrentTime();
|
|
timeout_ = last_frame_ + TimeoutForNextFrame();
|
|
}
|
|
|
|
TimeDelta VideoReceiveStreamTimeoutTracker::HandleTimeoutTask() {
|
|
Timestamp now = clock_->CurrentTime();
|
|
// `timeout_` is hit and we have timed out. Schedule the next timeout at
|
|
// the timeout delay.
|
|
if (now >= timeout_) {
|
|
TimeDelta timeout_delay = TimeoutForNextFrame();
|
|
timeout_ = now + timeout_delay;
|
|
timeout_cb_(now - last_frame_);
|
|
return timeout_delay;
|
|
}
|
|
// Otherwise, `timeout_` changed since we scheduled a timeout. Reschedule
|
|
// a timeout check.
|
|
return timeout_ - now;
|
|
}
|
|
|
|
} // namespace webrtc
|