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/*
* Copyright (c) 2021 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/adaptation/bandwidth_quality_scaler_resource.h"
#include <utility>
#include "rtc_base/checks.h"
#include "rtc_base/experiments/balanced_degradation_settings.h"
#include "rtc_base/logging.h"
#include "rtc_base/time_utils.h"
namespace webrtc {
// static
rtc::scoped_refptr<BandwidthQualityScalerResource>
BandwidthQualityScalerResource::Create() {
return rtc::make_ref_counted<BandwidthQualityScalerResource>();
}
BandwidthQualityScalerResource::BandwidthQualityScalerResource()
: VideoStreamEncoderResource("BandwidthQualityScalerResource"),
bandwidth_quality_scaler_(nullptr) {}
BandwidthQualityScalerResource::~BandwidthQualityScalerResource() {
RTC_DCHECK(!bandwidth_quality_scaler_);
}
bool BandwidthQualityScalerResource::is_started() const {
RTC_DCHECK_RUN_ON(encoder_queue());
return bandwidth_quality_scaler_.get();
}
void BandwidthQualityScalerResource::StartCheckForOveruse(
const std::vector<VideoEncoder::ResolutionBitrateLimits>&
resolution_bitrate_limits) {
RTC_DCHECK_RUN_ON(encoder_queue());
RTC_DCHECK(!is_started());
bandwidth_quality_scaler_ = std::make_unique<BandwidthQualityScaler>(this);
// If the configuration parameters more than one, we should define and
// declare the function BandwidthQualityScaler::Initialize() and call it.
bandwidth_quality_scaler_->SetResolutionBitrateLimits(
resolution_bitrate_limits);
}
void BandwidthQualityScalerResource::StopCheckForOveruse() {
RTC_DCHECK_RUN_ON(encoder_queue());
RTC_DCHECK(is_started());
// Ensure we have no pending callbacks. This makes it safe to destroy the
// BandwidthQualityScaler and even task queues with tasks in-flight.
bandwidth_quality_scaler_.reset();
}
void BandwidthQualityScalerResource::OnReportUsageBandwidthHigh() {
OnResourceUsageStateMeasured(ResourceUsageState::kOveruse);
}
void BandwidthQualityScalerResource::OnReportUsageBandwidthLow() {
OnResourceUsageStateMeasured(ResourceUsageState::kUnderuse);
}
void BandwidthQualityScalerResource::OnEncodeCompleted(
const EncodedImage& encoded_image,
int64_t time_sent_in_us,
int64_t encoded_image_size_bytes) {
RTC_DCHECK_RUN_ON(encoder_queue());
if (bandwidth_quality_scaler_) {
bandwidth_quality_scaler_->ReportEncodeInfo(
encoded_image_size_bytes, time_sent_in_us / 1000,
encoded_image._encodedWidth, encoded_image._encodedHeight);
}
}
} // namespace webrtc