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1 /* | 1 /* |
2 * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 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 | 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 | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
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27 class Tmmbn : public Rtpfb { | 27 class Tmmbn : public Rtpfb { |
28 public: | 28 public: |
29 static constexpr uint8_t kFeedbackMessageType = 4; | 29 static constexpr uint8_t kFeedbackMessageType = 4; |
30 | 30 |
31 Tmmbn() {} | 31 Tmmbn() {} |
32 ~Tmmbn() override {} | 32 ~Tmmbn() override {} |
33 | 33 |
34 // Parse assumes header is already parsed and validated. | 34 // Parse assumes header is already parsed and validated. |
35 bool Parse(const CommonHeader& packet); | 35 bool Parse(const CommonHeader& packet); |
36 | 36 |
37 void WithTmmbr(uint32_t ssrc, uint32_t bitrate_kbps, uint16_t overhead) { | 37 void AddTmmbr(const TmmbItem& item); |
38 WithTmmbr(TmmbItem(ssrc, bitrate_kbps * 1000, overhead)); | |
39 } | |
40 void WithTmmbr(const TmmbItem& item); | |
41 | 38 |
42 const std::vector<TmmbItem>& items() const { return items_; } | 39 const std::vector<TmmbItem>& items() const { return items_; } |
43 | 40 |
44 protected: | 41 protected: |
45 bool Create(uint8_t* packet, | 42 bool Create(uint8_t* packet, |
46 size_t* index, | 43 size_t* index, |
47 size_t max_length, | 44 size_t max_length, |
48 RtcpPacket::PacketReadyCallback* callback) const override; | 45 RtcpPacket::PacketReadyCallback* callback) const override; |
49 | 46 |
50 private: | 47 private: |
51 size_t BlockLength() const override { | 48 size_t BlockLength() const override { |
52 return kHeaderLength + kCommonFeedbackLength + | 49 return kHeaderLength + kCommonFeedbackLength + |
53 TmmbItem::kLength * items_.size(); | 50 TmmbItem::kLength * items_.size(); |
54 } | 51 } |
55 | 52 |
56 // Media ssrc is unused, shadow base class setter and getter. | 53 // Media ssrc is unused, shadow base class setter and getter. |
57 void To(uint32_t ssrc); | 54 void SetMediaSsrc(uint32_t ssrc); |
58 uint32_t media_ssrc() const; | 55 uint32_t media_ssrc() const; |
59 | 56 |
60 std::vector<TmmbItem> items_; | 57 std::vector<TmmbItem> items_; |
61 | 58 |
62 RTC_DISALLOW_COPY_AND_ASSIGN(Tmmbn); | 59 RTC_DISALLOW_COPY_AND_ASSIGN(Tmmbn); |
63 }; | 60 }; |
64 } // namespace rtcp | 61 } // namespace rtcp |
65 } // namespace webrtc | 62 } // namespace webrtc |
66 #endif // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_TMMBN_H_ | 63 #endif // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_TMMBN_H_ |
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