/* | |
* Copyright 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/ref_counted_object.h" | |
#include "rtc_base/task_utils/to_queued_task.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 |