blob: 3afd7b7d7aedac439572e031265d243fd86eac7c [file] [log] [blame]
* Copyright (c) 2012 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 <stddef.h>
#include <stdint.h>
#include <vector>
#include "rtc_base/system/rtc_export.h"
namespace webrtc {
class RTC_EXPORT RTPFragmentationHeader {
RTPFragmentationHeader(const RTPFragmentationHeader&) = delete;
RTPFragmentationHeader(RTPFragmentationHeader&& other);
RTPFragmentationHeader& operator=(const RTPFragmentationHeader& other) =
RTPFragmentationHeader& operator=(RTPFragmentationHeader&& other);
friend void swap(RTPFragmentationHeader& a, RTPFragmentationHeader& b);
void CopyFrom(const RTPFragmentationHeader& src);
void VerifyAndAllocateFragmentationHeader(size_t size) { Resize(size); }
void Resize(size_t size);
size_t Size() const { return fragmentationVectorSize; }
size_t Offset(size_t index) const { return fragmentationOffset[index]; }
size_t Length(size_t index) const { return fragmentationLength[index]; }
// TODO(danilchap): Move all members to private section,
// simplify by replacing raw arrays with single std::vector<Fragment>
uint16_t fragmentationVectorSize; // Number of fragmentations
size_t* fragmentationOffset; // Offset of pointer to data for each
// fragmentation
size_t* fragmentationLength; // Data size for each fragmentation
// Interface used by the CallStats class to distribute call statistics.
// Callbacks will be triggered as soon as the class has been registered to a
// CallStats object using RegisterStatsObserver.
class CallStatsObserver {
virtual void OnRttUpdate(int64_t avg_rtt_ms, int64_t max_rtt_ms) = 0;
virtual ~CallStatsObserver() {}
// Interface used by NackModule and JitterBuffer.
class NackSender {
// If |buffering_allowed|, other feedback messages (e.g. key frame requests)
// may be added to the same outgoing feedback message. In that case, it's up
// to the user of the interface to ensure that when all buffer-able messages
// have been added, the feedback message is triggered.
virtual void SendNack(const std::vector<uint16_t>& sequence_numbers,
bool buffering_allowed) = 0;
virtual ~NackSender() {}
// Interface used by NackModule and JitterBuffer.
class KeyFrameRequestSender {
virtual void RequestKeyFrame() = 0;
virtual ~KeyFrameRequestSender() {}
// Interface used by LossNotificationController to communicate to RtpRtcp.
class LossNotificationSender {
virtual ~LossNotificationSender() {}
virtual void SendLossNotification(uint16_t last_decoded_seq_num,
uint16_t last_received_seq_num,
bool decodability_flag,
bool buffering_allowed) = 0;
} // namespace webrtc