8d7642a9f7
Bug: None Change-Id: I63665a3fc9afd57aec8f0f7d2a2a2e631452f6c6 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/358080 Auto-Submit: Björn Terelius <terelius@webrtc.org> Reviewed-by: Åsa Persson <asapersson@webrtc.org> Commit-Queue: Åsa Persson <asapersson@webrtc.org> Cr-Commit-Position: refs/heads/main@{#42704}
96 lines
3.0 KiB
C++
96 lines
3.0 KiB
C++
/*
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* Copyright 2020 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/adaptation/quality_scaler_resource.h"
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#include <utility>
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#include "api/field_trials_view.h"
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#include "rtc_base/checks.h"
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#include "rtc_base/experiments/balanced_degradation_settings.h"
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#include "rtc_base/time_utils.h"
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namespace webrtc {
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// static
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rtc::scoped_refptr<QualityScalerResource> QualityScalerResource::Create() {
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return rtc::make_ref_counted<QualityScalerResource>();
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}
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QualityScalerResource::QualityScalerResource()
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: VideoStreamEncoderResource("QualityScalerResource"),
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quality_scaler_(nullptr) {}
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QualityScalerResource::~QualityScalerResource() {
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RTC_DCHECK(!quality_scaler_);
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}
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bool QualityScalerResource::is_started() const {
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RTC_DCHECK_RUN_ON(encoder_queue());
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return quality_scaler_.get();
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}
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void QualityScalerResource::StartCheckForOveruse(
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VideoEncoder::QpThresholds qp_thresholds,
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const FieldTrialsView& field_trials) {
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RTC_DCHECK_RUN_ON(encoder_queue());
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RTC_DCHECK(!is_started());
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quality_scaler_ = std::make_unique<QualityScaler>(
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this, std::move(qp_thresholds), field_trials);
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}
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void QualityScalerResource::StopCheckForOveruse() {
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RTC_DCHECK_RUN_ON(encoder_queue());
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RTC_DCHECK(is_started());
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// Ensure we have no pending callbacks. This makes it safe to destroy the
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// QualityScaler and even task queues with tasks in-flight.
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quality_scaler_.reset();
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}
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void QualityScalerResource::SetQpThresholds(
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VideoEncoder::QpThresholds qp_thresholds) {
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RTC_DCHECK_RUN_ON(encoder_queue());
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RTC_DCHECK(is_started());
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quality_scaler_->SetQpThresholds(std::move(qp_thresholds));
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}
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void QualityScalerResource::OnEncodeCompleted(const EncodedImage& encoded_image,
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int64_t time_sent_in_us) {
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RTC_DCHECK_RUN_ON(encoder_queue());
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if (quality_scaler_ && encoded_image.qp_ >= 0) {
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quality_scaler_->ReportQp(encoded_image.qp_, time_sent_in_us);
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}
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}
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void QualityScalerResource::OnFrameDropped(
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EncodedImageCallback::DropReason reason) {
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RTC_DCHECK_RUN_ON(encoder_queue());
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if (!quality_scaler_)
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return;
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switch (reason) {
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case EncodedImageCallback::DropReason::kDroppedByMediaOptimizations:
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quality_scaler_->ReportDroppedFrameByMediaOpt();
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break;
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case EncodedImageCallback::DropReason::kDroppedByEncoder:
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quality_scaler_->ReportDroppedFrameByEncoder();
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break;
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}
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}
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void QualityScalerResource::OnReportQpUsageHigh() {
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OnResourceUsageStateMeasured(ResourceUsageState::kOveruse);
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}
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void QualityScalerResource::OnReportQpUsageLow() {
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OnResourceUsageStateMeasured(ResourceUsageState::kUnderuse);
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}
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} // namespace webrtc
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