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/*
* Copyright (c) 2019 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 MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_REMOTE_ESTIMATE_H_
#define MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_REMOTE_ESTIMATE_H_
#include <cstdint>
#include "api/array_view.h"
#include "api/transport/network_types.h"
#include "api/units/time_delta.h"
#include "modules/rtp_rtcp/source/rtcp_packet/app.h"
#include "rtc_base/buffer.h"
namespace webrtc {
namespace rtcp {
class CommonHeader;
class RemoteEstimateSerializer {
public:
virtual bool Parse(ArrayView<const uint8_t> src,
NetworkStateEstimate* target) const = 0;
virtual Buffer Serialize(const NetworkStateEstimate& src) const = 0;
virtual ~RemoteEstimateSerializer() = default;
};
// Using a static global implementation to avoid incurring initialization
// overhead of the serializer every time RemoteEstimate is created.
const RemoteEstimateSerializer* GetRemoteEstimateSerializer();
// The RemoteEstimate packet provides network estimation results from the
// receive side. This functionality is experimental and subject to change
// without notice.
class RemoteEstimate : public App {
public:
RemoteEstimate();
explicit RemoteEstimate(App&& app);
// Note, sub type must be unique among all app messages with "goog" name.
static constexpr uint8_t kSubType = 13;
static constexpr uint32_t kName = NameToInt("goog");
static TimeDelta GetTimestampPeriod();
bool ParseData();
void SetEstimate(NetworkStateEstimate estimate);
NetworkStateEstimate estimate() const { return estimate_; }
private:
NetworkStateEstimate estimate_;
const RemoteEstimateSerializer* const serializer_;
};
} // namespace rtcp
} // namespace webrtc
#endif // MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_REMOTE_ESTIMATE_H_
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