chromium/third_party/webrtc/call/bitrate_allocator.h

/*
 *  Copyright (c) 2015 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.
 */

#ifndef CALL_BITRATE_ALLOCATOR_H_
#define CALL_BITRATE_ALLOCATOR_H_

#include <stdint.h>

#include <map>
#include <memory>
#include <string>
#include <utility>
#include <vector>

#include "api/call/bitrate_allocation.h"
#include "api/field_trials_view.h"
#include "api/sequence_checker.h"
#include "api/transport/network_types.h"
#include "api/units/data_rate.h"
#include "rtc_base/system/no_unique_address.h"

namespace webrtc {

class Clock;

// Used by all send streams with adaptive bitrate, to get the currently
// allocated bitrate for the send stream. The current network properties are
// given at the same time, to let the send stream decide about possible loss
// protection.
class BitrateAllocatorObserver { … };

// Struct describing parameters for how a media stream should get bitrate
// allocated to it.

enum class TrackRateElasticity { … };

struct MediaStreamAllocationConfig { … };

// Interface used for mocking
class BitrateAllocatorInterface { … };

namespace bitrate_allocator_impl {
struct AllocatableTrack { … };
}  // namespace bitrate_allocator_impl

// Usage: this class will register multiple RtcpBitrateObserver's one at each
// RTCP module. It will aggregate the results and run one bandwidth estimation
// and push the result to the encoders via BitrateAllocatorObserver(s).
class BitrateAllocator : public BitrateAllocatorInterface { … };

// TODO(b/350555527): Remove after experiment
DataRate GetElasticRateAllocationFieldTrialParameter(
    const FieldTrialsView& field_trials);

}  // namespace webrtc
#endif  // CALL_BITRATE_ALLOCATOR_H_