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1 /* | 1 /* |
2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2012 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 |
11 #ifndef WEBRTC_MODULES_RTP_RTCP_SOURCE_TMMBR_HELP_H_ | 11 #ifndef WEBRTC_MODULES_RTP_RTCP_SOURCE_TMMBR_HELP_H_ |
12 #define WEBRTC_MODULES_RTP_RTCP_SOURCE_TMMBR_HELP_H_ | 12 #define WEBRTC_MODULES_RTP_RTCP_SOURCE_TMMBR_HELP_H_ |
13 | 13 |
14 #include <vector> | 14 #include <vector> |
15 #include "webrtc/modules/rtp_rtcp/source/rtcp_packet/tmmb_item.h" | 15 #include "webrtc/modules/rtp_rtcp/source/rtcp_packet/tmmb_item.h" |
16 #include "webrtc/typedefs.h" | 16 #include "webrtc/typedefs.h" |
17 | 17 |
18 namespace webrtc { | 18 namespace webrtc { |
19 class TMMBRSet : public std::vector<rtcp::TmmbItem> | 19 class TMMBRSet : public std::vector<rtcp::TmmbItem> { |
20 { | 20 public: |
21 public: | 21 void VerifyAndAllocateSet(uint32_t minimumSize); |
22 void VerifyAndAllocateSet(uint32_t minimumSize); | 22 void VerifyAndAllocateSetKeepingData(uint32_t minimumSize); |
23 void VerifyAndAllocateSetKeepingData(uint32_t minimumSize); | 23 // Number of valid data items in set. |
24 // Number of valid data items in set. | 24 uint32_t lengthOfSet() const { return size(); } |
25 uint32_t lengthOfSet() const { return size(); } | 25 // Presently allocated max size of set. |
26 // Presently allocated max size of set. | 26 uint32_t sizeOfSet() const { return capacity(); } |
27 uint32_t sizeOfSet() const { return capacity(); } | 27 void clearSet() { clear(); } |
28 void clearSet() { clear(); } | 28 uint32_t Tmmbr(int i) const { return (*this)[i].bitrate_bps() / 1000; } |
29 uint32_t Tmmbr(int i) const { | 29 uint32_t PacketOH(int i) const { return (*this)[i].packet_overhead(); } |
30 return (*this)[i].bitrate_bps() / 1000; | 30 uint32_t Ssrc(int i) const { return (*this)[i].ssrc(); } |
31 } | 31 void SetEntry(unsigned int i, |
32 uint32_t PacketOH(int i) const { | 32 uint32_t tmmbrSet, |
33 return (*this)[i].packet_overhead(); | 33 uint32_t packetOHSet, |
34 } | 34 uint32_t ssrcSet); |
35 uint32_t Ssrc(int i) const { | |
36 return (*this)[i].ssrc(); | |
37 } | |
38 void SetEntry(unsigned int i, | |
39 uint32_t tmmbrSet, | |
40 uint32_t packetOHSet, | |
41 uint32_t ssrcSet); | |
42 | 35 |
43 void AddEntry(uint32_t tmmbrSet, | 36 void AddEntry(uint32_t tmmbrSet, uint32_t packetOHSet, uint32_t ssrcSet); |
44 uint32_t packetOHSet, | |
45 uint32_t ssrcSet); | |
46 | 37 |
47 // Remove one entry from table, and move all others down. | 38 // Remove one entry from table, and move all others down. |
48 void RemoveEntry(uint32_t sourceIdx); | 39 void RemoveEntry(uint32_t sourceIdx); |
49 | |
50 void SwapEntries(uint32_t firstIdx, | |
51 uint32_t secondIdx); | |
52 | |
53 // Set entry data to zero, but keep it in table. | |
54 void ClearEntry(uint32_t idx); | |
55 }; | 40 }; |
56 | 41 |
57 class TMMBRHelp | 42 class TMMBRHelp { |
58 { | 43 public: |
59 public: | 44 TMMBRSet* CandidateSet(); |
60 TMMBRHelp(); | |
61 virtual ~TMMBRHelp(); | |
62 | 45 |
63 TMMBRSet* BoundingSet(); // used for debuging | 46 TMMBRSet* VerifyAndAllocateCandidateSet(const uint32_t minimumSize); |
64 TMMBRSet* CandidateSet(); | 47 int32_t FindTMMBRBoundingSet(TMMBRSet*& boundingSet); |
65 | 48 |
66 TMMBRSet* VerifyAndAllocateCandidateSet(const uint32_t minimumSize); | 49 bool IsOwner(const uint32_t ssrc, const uint32_t length) const; |
67 int32_t FindTMMBRBoundingSet(TMMBRSet*& boundingSet); | |
68 | 50 |
69 bool IsOwner(const uint32_t ssrc, const uint32_t length) const; | 51 bool CalcMinBitRate(uint32_t* minBitrateKbit) const; |
70 | 52 |
71 bool CalcMinBitRate(uint32_t* minBitrateKbit) const; | 53 static void FindBoundingSet(std::vector<rtcp::TmmbItem> candidates, |
| 54 std::vector<rtcp::TmmbItem>* bounding_set); |
72 | 55 |
73 protected: | 56 private: |
74 TMMBRSet* VerifyAndAllocateBoundingSet(uint32_t minimumSize); | 57 TMMBRSet _candidateSet; |
75 int32_t FindTMMBRBoundingSet(int32_t numCandidates, TMMBRSet& candidateSet); | 58 TMMBRSet _boundingSet; |
76 | |
77 private: | |
78 TMMBRSet _candidateSet; | |
79 TMMBRSet _boundingSet; | |
80 | |
81 float* _ptrIntersectionBoundingSet; | |
82 float* _ptrMaxPRBoundingSet; | |
83 }; | 59 }; |
84 } // namespace webrtc | 60 } // namespace webrtc |
85 | 61 |
86 #endif // WEBRTC_MODULES_RTP_RTCP_SOURCE_TMMBR_HELP_H_ | 62 #endif // WEBRTC_MODULES_RTP_RTCP_SOURCE_TMMBR_HELP_H_ |
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