blob: 4729488150bcc4929429894976938e58ad488ba1 [file] [log] [blame]
* Copyright 2020 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 <map>
#include <vector>
#include "absl/types/optional.h"
#include "api/adaptation/resource.h"
#include "api/rtp_parameters.h"
#include "api/scoped_refptr.h"
#include "api/task_queue/task_queue_base.h"
#include "api/video/video_adaptation_counters.h"
#include "api/video/video_frame.h"
#include "call/adaptation/adaptation_constraint.h"
#include "call/adaptation/encoder_settings.h"
#include "call/adaptation/video_source_restrictions.h"
namespace webrtc {
class ResourceLimitationsListener {
virtual ~ResourceLimitationsListener();
// The limitations on a resource were changed. This does not mean the current
// video restrictions have changed.
virtual void OnResourceLimitationChanged(
rtc::scoped_refptr<Resource> resource,
const std::map<rtc::scoped_refptr<Resource>, VideoAdaptationCounters>&
resource_limitations) = 0;
// The Resource Adaptation Processor is responsible for reacting to resource
// usage measurements (e.g. overusing or underusing CPU). When a resource is
// overused the Processor is responsible for performing mitigations in order to
// consume less resources.
class ResourceAdaptationProcessorInterface {
virtual ~ResourceAdaptationProcessorInterface();
virtual void AddResourceLimitationsListener(
ResourceLimitationsListener* limitations_listener) = 0;
virtual void RemoveResourceLimitationsListener(
ResourceLimitationsListener* limitations_listener) = 0;
// Starts or stops listening to resources, effectively enabling or disabling
// processing. May be called from anywhere.
// TODO( Automatically register and unregister
// with AddResource() and RemoveResource() instead. When the processor is
// multi-stream aware, stream-specific resouces will get added and removed
// over time.
virtual void AddResource(rtc::scoped_refptr<Resource> resource) = 0;
virtual std::vector<rtc::scoped_refptr<Resource>> GetResources() const = 0;
virtual void RemoveResource(rtc::scoped_refptr<Resource> resource) = 0;
} // namespace webrtc