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| 1 /* |
| 2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. |
| 3 * |
| 4 * Use of this source code is governed by a BSD-style license |
| 5 * that can be found in the LICENSE file in the root of the source |
| 6 * tree. An additional intellectual property rights grant can be found |
| 7 * in the file PATENTS. All contributing project authors may |
| 8 * be found in the AUTHORS file in the root of the source tree. |
| 9 */ |
| 10 |
| 11 #ifndef WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_EXTENDED_JITTER_REPORT_H_ |
| 12 #define WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_EXTENDED_JITTER_REPORT_H_ |
| 13 |
| 14 #include <vector> |
| 15 |
| 16 #include "webrtc/base/checks.h" |
| 17 #include "webrtc/modules/rtp_rtcp/source/rtcp_packet.h" |
| 18 #include "webrtc/modules/rtp_rtcp/source/rtcp_utility.h" |
| 19 |
| 20 namespace webrtc { |
| 21 namespace rtcp { |
| 22 |
| 23 class ExtendedJitterReport : public RtcpPacket { |
| 24 public: |
| 25 static const uint8_t kPacketType = 195; |
| 26 |
| 27 ExtendedJitterReport() : RtcpPacket() {} |
| 28 |
| 29 virtual ~ExtendedJitterReport() {} |
| 30 |
| 31 // Parse assumes header is already parsed and validated. |
| 32 bool Parse(const RTCPUtility::RtcpCommonHeader& header, |
| 33 const uint8_t* payload); // Size of the payload is in the header. |
| 34 |
| 35 bool WithJitter(uint32_t jitter); |
| 36 |
| 37 size_t jitters_count() const { return inter_arrival_jitters_.size(); } |
| 38 uint32_t jitter(size_t index) const { |
| 39 RTC_DCHECK_LT(index, jitters_count()); |
| 40 return inter_arrival_jitters_[index]; |
| 41 } |
| 42 |
| 43 protected: |
| 44 bool Create(uint8_t* packet, |
| 45 size_t* index, |
| 46 size_t max_length, |
| 47 RtcpPacket::PacketReadyCallback* callback) const override; |
| 48 |
| 49 private: |
| 50 static const int kMaxNumberOfJitters = 0x1f; |
| 51 |
| 52 size_t BlockLength() const override { |
| 53 return kHeaderLength + 4 * inter_arrival_jitters_.size(); |
| 54 } |
| 55 |
| 56 std::vector<uint32_t> inter_arrival_jitters_; |
| 57 |
| 58 RTC_DISALLOW_COPY_AND_ASSIGN(ExtendedJitterReport); |
| 59 }; |
| 60 |
| 61 } // namespace rtcp |
| 62 } // namespace webrtc |
| 63 #endif // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_EXTENDED_JITTER_REPORT_H_ |
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